Military Engineer Services Tender
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Costs
EMD
₹ 6,15,000Document Cost
₹ 3,000Tender Fee
Refer Documents
Description
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Contact
Tender Id
2024_MES_683095_2Tender No
CA NO CEPZ-05/2024-25Tender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
GEM & Bid Advisory Services
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BOQ Items
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EXPANSION TANK FOR CHILLED WATER/ HOT WATER CIRCUIT S & F of ASME pre-charged vertical closed bladder expansion tank stamped for 125 PSI (862 kPa) working pressure having carbon steel shell, conforming to ASME section VIII division 1 for Non-fired Pressure Vessels or IS 2825: 1969, coated (inside & outside) with anti-corrosion paint with a heavy-duty butyl replaceable bladder, ring base, lifting rings and 20 mm NPT piping connection protected by strainer at the water inlet, air charging valve connection to facilitate adjusting pre-charge pressure to meet actual system conditions, along with pressurization unit consisting of 2(1W + 1S) high pressure pumps of suitable pressure rating, mounted on M.S. frame, complete with interconnecting piping, isolation valves, NRV, Y - Strainer, pressure gauge, pressure transmitter, IP55 rated auto-logic panel with dry-run protection, electricial switchgear and interconnecting wiring complete with accessories as specified and directed by the Engineer-in-Charge
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100 Litre (Chilled Water circulation)
2
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50 Litre (Hot Water circulation)
2
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Supply, installation, testing and commissioning of fully BMS and SCADA compatible IP 55 rated electric Hot Water Generator (HWG) in vertical configuration, suitable for 150 KW heat output or 11484 kg/hr water flowrate, 2.5 to 4.0 kg/cm2 operating pressure range and 30 °C to 95 °C operating temperature range, having automatic stage sequence reversal, slave SCR power controller to modulate the entire load from 0-100%, embedded LCD, RS-232C / RS-485 port & ethernet port for communication, in-built self-diagnostic tool, etc. complete all as specified and directed by the Engineer-in-Charge.
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The HWG shall conform to the following requirements / specifications: [A] HEATING ELEMENTS (i) Pressure-rated flanged type immersion heaters, conforming to IS 4159: 2002, consisting of multiple tubular heating elements formed into hairpins which are silver-brazed to a mating flange [B] PRESSURE VESSEL (i) Water Vessel, conforming to IS 2825: 1969 rated for 160 PSIG maximum working pressure at 120 °C and tested at 300 PSIG having top openable thick MS plate designed for maximum element to water contact for efficient operation, welded to shell flange (ii) Connections for water inlet & outlet with mating flanges (iii) Descaling point & drain connection for system drainage [C] INSULATION (i) 50 mm thick resin bounded fibre glass wool of density 32 kg/cum and cladded with aluminum sheet to minimum heat loss [D] CONTROL CABINET (i) Integral control panel made out of 2.0 mm thick powder coated CRCA sheet having louvers to insure adequate ventilation of the control and heater terminal compartment (ii) Base frame fabricated out of ISMC100 channel (iii) Hinged doors with lockable padlocks for access to all control compartments
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[E] CONTROL & SAFETY (i) Incomer MCCB with electrolytic grade copper busbar and mechanical interlock for safe operation (ii) Magnetic Contactors with MCB / HBC fuses for heater switching (iii) Pilot lights indicating the functional operation, i.e. Phase Indication, Each Stage ON, Supply ON, etc. (iv) Alarm package to de-energize the boiler and give audible and visual indications of high temperature, low water level or zero flow rates (each condition should be indicated with a separate pilot light) (v) Pressure Relief Valve & Air Purge Valve (vi) Temperature & Pressure gauges at both inlet and outlet [F] STEP CONTROLLER (i) Temperature Control using microprocessor based multi-stage electronic progressive staging sequencer with thermistor sensor to control the HWG in stages (ii) Logic and Control circuits to continuously monitor the input signal to determine if more or less heat is required [G] BMS (i) Dry contacts for start / stop command, on / off status indication, fault indications, viz., high temperature and low water level, etc. (ii) Provision for remote operation and local remote selector switch status (iii) RS-485 communication port for remote programming and control (iv) Remote interlock to user enabled energizing or de-energizing of the HWG from remote or any field / pump interlock
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HOT WATER PUMP (1W + 1S) Supply, installation, testing and commissioning of monoblock, self-priming, single-stage centrifugal pump suitable for 3.21 litre/s discharge @ 23 mWC head having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with energy efficient (IE4) TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by Engineer-in-Charge. NOTES: [i] The rate include for necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. [ii] Pressure gauges, thermometers and drains shall be measured and paid for saperately.
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(B) HVAC PANEL Supply, installation, testing and commissioning of factory made, CPRI / ERDA type tested, fully compartmentalized bolted type HVAC Panel (design verified assembly- DVA) of suitable size conforming to IEC 61439-1 & 2 and IEC 61641 and having modular extensible design suitable for indoor mounting, internal arc compliance of minimum 70 kA for 0.5 s, made out of 2.0 mm thick mild steel CRCA sheet, having both sides openable with hinged doors and locking arrangement, IP 43 & IK 10 protection, supported and fixed on structural frame of angle iron of suitable size, including earthing stud, labelling, painting to all internal & external exposed steel surfaces with powder coating paint (7 tank process), duly fixed in ground with PCC foundation (1:2:4) type B1, with danger notice plate of 1.6 mm thick mild steel vitreous enamelled (white) with letters, figures and conventional skull and bones in signal red colour suitable for 3-Phase, 4-Wire system, 500 V grade with necessary wiring, PVC sheathed stranded copper conductor of appropriate length and size, including fixing lugs, bolts, screws, etc. complete all as specified and directed by the Engineer-in-Charge.
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The HVAC Panel shall comprise of the following: [A] BUSBAR CHAMBER [i] 01 Set (3L + N) of Aluminum busbar of rated capacity 500 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection [B] INCOMING [i] Circuit Breaker (a) 500 A, 415 V, Ics = 100% Icu = Icw (1 sec for total selectivity) = 50 kA, 50 Hz electrical draw-out type 4P ACB (with LSIG protection), conforming to IS/IEC 60947-2 & 3, having 100% neutral with inbuilt release protection, no derating up to 50 ⁰C, microprocessor based trip & LED based display systems with thermal memory providing overload, short-circuit, instantaneous & earth-fault protection, zone selective interlocking, pre-trip alarm & individual fault indicating LEDs, 20 trip record, % loading, bar graph, max. & min. meter and pre-alarm function for overload, short-circuit & earth fault - 01 Nos. [ii] Instrumentation & Measurement (a) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 01 Nos. (b) 500/5A Cl. 1.0 C.T. with 15 VA burden- 01 Nos. (c) 500/5A Cl. 5P10 C.T. with 15 VA burden- 01 Nos. (d) 415/√3 V / 110/√3 V P.T. Cl.3P, 50 VA burden- 01 Nos. (e) 6A, 10kA, 415V, 50 Hz 4P MCB- 02 Nos. [iv] Indication & Annunciation (a) LED phase indicators (Red, Yellow, Blue)- 01 Set (b) LED status indicators (ON, OFF, TRIP)- 01 Set (c) LED status indicators (SC, CSH, RTC)- 01 Set
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[C] OUTGOING [i] Circuit Breaker (a) 320 A, 415 V, Ics = 100% Icu = 36 kA, 50 Hz 4P MCCB, conforming to IEC 60947-2: 2016, having microprocessor based trip unit, adjustable overload setting, adjustable short-circuit setting, adjustable neutral protection, electrical interlocking, front indication LEDs, etc.- 02 Nos. [for HWG & SPARE] (b) 200 A, 415 V, Ics = 100% Icu = 25 kA, 50 Hz 3P MCCB, conforming to IEC 60947-2: 2016, having thermal magnetic trip unit, adjustable overload setting, adjustable short-circuit setting, front indication LEDs, etc.- 05 Nos. [for chiller] (c) 100 A, 415 V, Ics = 100% Icu = 16 kA, 50 Hz 3P MCCB, conforming to IEC 60947-2: 2016, having thermal magnetic trip unit, adjustable overload setting, adjustable short-circuit setting, front indication LEDs, etc.- 03 Nos. [for AHU Panel & SPARE] (d) 32 A, 415 V, Ics = 100% Icu = 10 kA, 50 Hz 3P MCCB, conforming to IEC 60947-2: 2016, having thermal magnetic trip unit, adjustable overload setting, adjustable short-circuit setting, front indication LEDs, etc.- 06 Nos. [for CWP HWP & SPARE] [ii] Motor Starter / Drive (a) Variable Frequency Drive (VFD) of 5.5 kW rating with IP 55 enclosures and mains disconnect switch and comprising of the following complete with accessories- 03 Nos. [for CHWP & SPARE] (b) Variable Frequency Drive (VFD) of 2.2 kW rating with IP 55 enclosures and mains disconnect switch and comprising of the following complete with accessories - 03 Nos. [for HWP & SPARE] The VFD shall conform to the following specification. (1) built-in dual 5% impedance DC link reactor (harmonic filters) on the positive and negative rails of the DC bus of the variable frequency drive (VFD). (2) built-in EMC filters (electro magnetic compatibility filters) for restriction of conducted emissions to comply with IEC61800: 3 (unrestricted distribution): 2004 category C 1 (50 meter) (3) three feedback PID controller having capability to simultaneously accept 3 feedback signals from temperature sensors or pressure sensors for process optimization and accordingly control the speed of pumps. (4) integral graphical keypad. [ii] Indication & Annunciation (a) LED status indicators (ON, OFF, TRIP)- 16 Set
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NOTES: [i] ACBs shall have separately powered, individual fault trip indication LEDs (For overload, short circuit, earth fault and trip-unit failure) shall be available on the trip unit which shall function even in the absence of external power supply to the breaker.ACB shall be suitable for ZSI. Trip units shall have thermal memeory as standard. [ii] All the MCCBs up to 250 A shall be with thermal magnetic trip unit & above 250A shall be with microprocessor trip units. To ensure failsafe emergency tripping of the breakers (ACBs & MCCBs), it shall be supplied with continuous rated shunt trip coils. [iii] Necessary control and switching devices to execute the switching and control logic shall be deemed inclusive of the scope of supply irrespective of them being specified / not specified above or in the SLD. [iv] The Panel / Switchboard shall be tested to withstand vibration caused by an earthquake in accordance with IEC 60068-3-3:2013 or IS 1893 Zone V. [v] The Panel shall be purchased from the original equipment manufacturer (OEM) or OEM authorized franchises only. [vi] All the necessary noble components (viz., structural, Door noble like hinge, Bush, Door alignment guage and Bus bar noble - Bus bar support, Close profile structure - horizontal & vertical) of the Panel shall be supplied by the OEM. [vii] The Contractor shall furnish dimensional drawings of the items offered indicating all the fittings, dimensional tolerances, typical GADs, etc. to the engineer-in-charge
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M & L for 1.1 KV grade aluminum conductor, XLPE insulated armoured cables, conforming to IS: 7098 (Part I) - 1988 having stranded aluminium compact shaped conductor as per C1. 2, IS: 8130-1984, PVC inner sheath, single armoring of galvanized steel strip/ wire and PVC Type ST-2 outer sheath conforming to IS: 5831 - 1984, including necessary clamping/ dressing with cable ties and termination complete all as specified and directed by the Engineer-in-Charge. (for AHU Panels)
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25 Sqmm, 3.5 Core
200
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120 Sqmm, 3.5 core
60
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M & L for 1.1 KV grade copper conductor, XLPE insulated unarmoured 7cable conforming to IS 7098 (Part 1): 1988, having stranded copper compact shaped conductors as per C1.2 of IS 8130 : 1984, PVC inner sheath and PVC Type ST-2 outer sheath conforming to IS 5831: 1984, including necessary clamping / dressing with cable ties and termination complete all as specified and directed by the Engineer-in-Charge.
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4.0 Sqmm, 3 core
60
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6.0 Sqmm, 3 core
330
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70 Sqmm, 4 core
150
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S & F of perforated hot dipped galvanized iron cable tray having galvanization thickness not less than 50 microns and perforation not more than 17.5% including fittigs viz. joints, bends, tees, etc. for the following sections of length complete all as specified and directed by the Engineer-in-Charge.
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300 mm X 50 mm X 1.2 mm
45
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150 mm X 50 mm X 1.2 mm
45
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100 mm X 50 mm X 1.2 mm
60
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M & L for earthing complete with galvanized steel earth plate electrode of 60 cm x 60 cm x 6 mm size, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI wire of 4.0 mm diameter as earth lead, by means of bolts, buts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40 mm diameter, connected to earthing test point, all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc. complete as specified and directed by the Engineer-in-Charge.
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M & L for earth continuity conductor or main earthing lead fixed to wall on batten / recess / chases / buried in ground / drawn in conduit/pipe / fixed to poles / any other indicated situation for loop earthing etc. as required GI wire of 4.0 mm diameter complete as specified and directed by the Engineer-in-Charge.
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M & L for earth continuity conductor or main earthing lead fixed to wall on batten / recess / chases / buried in ground / drawn in conduit/pipe / fixed to poles / any other indicated situation for loop earthing etc. as required GI strip of size 32 mm x 6 mm complete as specified and directed by the Engineer-in-Charge.
60
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M & L for chilled water MS ERW, Class-C pipe including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessorie, duly insulated complete for following all as specified and directed by the Engineer-in-Charge.
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100 mm
385
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80 mm
20
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65 mm NOTES : (i) The pipe size 150mm NB & below shall be MS 'C' class as per IS 1239-1 : 2004 & IS 1239-2 : 2011. (ii) The pipe size above 150 NB shall be welded black steel pipe heavy class as per IS 3589 : 2001. (iii) Minimum thickness of MS sheet for pipe size above 150mm NB and upto 350mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above.
440
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Supply, installation, testing and commissioning of cast iron bolted cover Y-type strainer with CCS body of following nominal bore size conforming to ASTM A- 216 Gr. WCB, AISI 304 screen with 1.2 mm diameter perforation, 40 kg/cm2 body test pressure & 20 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150, duly insulated complete all as specified and directed by the Engineer-in-Charge. (Insulation shall be measured and paid for separately.)
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100 mm
3
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80 mm
1
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65 mm
9
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Supply, installation, testing and commissioning of wafer type PN 1.6 rated short pattern CI butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF 8 stainless steel disc, AISI- 410 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125, duly insulated complete all as specified and directed by the Engineer-in-Charge. (Insulation shall be measured and paid for separately.)
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100 mm
14
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80 mm
2
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65 mm
16
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Supply, installation, testing and commissioning of 100 mm NB wafer type PN 1.6 rated swing check type multidoor reflux valve (NRV), designed & tested as per IS 5312 (Part- 2): 1986, suitable to handle clear water having turbidity up to 5000 PPM, having CI body, door and diaphragm, leaded tin bronze seat rings and flange drilling standard end connection, etc., duly insulated complete all as specified and directed by the Engineer-in-Charge. (Insulation shall be measured and paid for separately.)
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M & L for PN 1.6 rated precise balancing double regulation type cast iron (CI) balancing valve of having CI Gr. FG200 body, EPDM / nitrile seal, stainless steel disc, ASTM A 276, Gr SS410 stem, EPDM / nitrile bush, MS gland nut, ASTM A 276 spindle, CI bonnet, SS304 baancing nut, MS bonnet cap, CI hand wheel, MS plug, stainless steel fastener, flanged end connection, etc., and duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by the Engineer-in-Charge. (Insulation shall be measured and paid for separately.)
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80 mm
1
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65 mm
10
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Supply, installation, testing and commissioning of PN 16 rated 2-way pressure independent control valve (PICV) of following size with sensor operated flow rate or power control and energy monitoring function, flange end connections, etc. for modulating water-side control of air handling units along with valve actuator complete all as specified and directed by the Engineer-in-Charge. The valve shall conform to the following technical specification: [i] Material (a) Valve body: EN-GJL-250 (b) Flow measuring pipe: EN-GJL-250 with protective paint (c) Closing element: Stainless steel AISI 316 (d) Spindle: Stainless steel AISI 304 (e) Spindle seal: EPDM (f) Seat: PTFE, O-ring Viton (g) Imersion sleeve: Stainless steel AISI 316 [ii] Electrical Data (a) Nominal Voltage: AC / DC 24 V (b) Nominal Voltage frequency: 50 Hz (c) Power consumption in operation: ≤ 7 W (d) Power consumption in rest position: ≤ 5 W [iii] Flow Measurement (a) Measuring principle: Ultrasonic volumetric flow measurement (b) Measuring accuracy flow: ±2%
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80 mm
1
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65 mm NOTES : (i) The 2-way control valve shall be pre-calibrated to the given maximum flow rate. (ii) Closing off differential pressure of actuator connected with 3-way diverting globe valve shall not be less than the pump head.
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Supply, installation, testing and commissioning of 65 mm NB PN 1.6 rated short pattern CI Motorised butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF 8 stainless steel disc, AISI- 410 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125, duly insulated complete all as specified and directed by the Engineer-in-Charge. NOTE: [i] Insulation shall be measured and paid for separately.
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S & F of FM approval flexible pre-covered self-extinguishing thermal insulation made of flexible insulation foam based on synthetic rubber with polymeric covering reinforced with polyester scrim, for insulation of hot and cold-water pipes, chilled water lines both indoor and outdoor conditions to prevent condensation, reduce energy losses, prevent scratches, mechanical damage and frost on pipes, tested for maximum +85ºC & minimum 0 ºC service temperature in conformance with EN 14706, EN 14707 & EN 14304; tear strength 38 kN/m & tensile strength 1.5 MPa in conformance with DIN ISO 34-1 & DIN EN ISO 1978; thermal conductivity (λ) ≤ 0.035 W/mK @ 0 ºC, ≤ 0.037 W/mK @ 24 ºC & ≤ 0.039 W/mK @ 40 ºC temperature in conformance with EN 12667 & EN ISO 8497; water vapour diffusion (µ) ≥ 7000 in conformance with EN 12086 & EN 13469; water absorption by volume ≤ 0.2% in conformance with ASTM C1763; Class O with dura fie performance in conformance with BS 476 Part 6: 1989; Class 1 surface spread of flame in conformance with BS 476 Part 7: 1997; HB, V-0 flammability in conformance with UL-94; UV & moisture in conformance with EN ISO 4892-2 method A & B and having zero ozone depletion potential & zero global warming potential, no risk of galvanic corrosion, good UV resistance, good resistance to mechanical impact, etc., in pre-covered self-adhesive sheets/ tubes with self-seal and other necessary accessories complete all as specified and directed by Engineer-in-Charge.
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100 mm
90
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65 mm
70
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UNDER GROUND INSULATION S & F of fire-retardant quality expanded polystyrene moulded pipe section (EPS) insulation for following pipes of density 20 kg/m3, with a thick coat of cold setting adhesive (CPRX compound) wrapping with 500g polythene faced hessian and finally sand cement plaster and tar felt cladding complete with type, grade-1 roofing felt strip, conforming to IS 1322: 1993, at joints repairing of damage to building etc. for the following diameters as required complete all as specified and directed by the Engineer-in-Charge.
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100 mm
388
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80 mm
70
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65 mm
595
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GI DRAIN PIPE M & L for drain water pipe of 15 mm NB including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories complete all as specified and directed by the Engineer-in-Charge. NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above.
50
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M & L for CL-125 two-piece design cast iron (CI) straight pattern ball valve of 15 mm NB, conforming to IS 9890: 1981 and having FG 200 cast iron body conforming to IS 210: 2009, AISI 410 stem, stainless steel AISI 304 ball, renewable PTFE seat & gland packing and screwed female BSP parallel threaded ends conforming to BS 21 with necessary accessories all complete as specified and directed by the Engineer-in-Charge.
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M & L for hot water piping including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulated for the following pipes complete all as specified and directed by the Engineer-in-Charge.
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50 mm
569
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40 mm [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately.
40
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S & F of FM approved flexible pre-covered self-extinguishing thermal insulation made of flexible insulation form based on synthetic rubber with polymeric covering reinforced with polyester scrim, for insulation of hot and cold-water pipes, chilled water lines both indoor and outdoor conditions to prevent condensation, reduce energy losses, prevent scratches, mechanical damage and frost on pipes, tested for maximum +85ºC & minimum 0 ºC service temperature in conformance with EN 14706, EN 14707 & EN 14304; tear strength 38 kN/m & tensile strength 1.5 MPa in conformance with DIN ISO 34-1 & DIN EN ISO 1978; thermal conductivity (λ) ≤ 0.035 W/mK @ 0 ºC, ≤ 0.037 W/mK @ 24 ºC & ≤ 0.039 W/mK @ 40 ºC temperature in conformance with EN 12667 & EN ISO 8497; water diffusion (µ) 7000 in conformance with EN 12086 & EN 13469; water absorption by volume ≤ 0.2% in conformance with ASTM C1763; Class O with dura fire performance in conformance with BS 476 Part 6: 1989; Class 1 surface spread of flame in conformance with BS 476 Part 7: 1997; HB, V-0 flammability in conformance with UL-94; UV & moisture in conformance with EN ISO 4892-2 method A & B and having zero ozone depletion potential & zero global warming potential, no risk of galvanic corrosion, good UV resistance, good resistance to mechanical impact, etc., in pre-covered self-adhesive sheets/ tubes with self-seal and other necessary accessories complete all as specified and directed by Engineer-in-Charge.
45
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S & F of fire-retardant quality expanded polystyrene moulded pipe section (EPS) insulation of density 20 kg/m3, with a thick coat of cold setting adhesive (CPRX compound) wrapping with 500g polythene faced hessian and finally sand cement plaster and tar felt cladding complete with type, grade-1 roofing felt strip, conforming to IS 1322: 1993, at joints repairing of damage to building etc. for the following diameters as required complete all as specified and directed by the Engineer-in-Charge.
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50 mm
534
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40 mm
40
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Supply, installation, testing and commissioning of cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304 screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 duly insulated with elastomeric thermal insulation with necessary accessories for the following sizes complete all as specified and directed by Engineer-in-Charge.
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50 mm
7
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40 mm
2
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NON-RETURN VALVE Supply, installation, testing and commissioning of wafer type PN 1.6 rated swing check type multidoor 50 mm NB reflux valve (NRV), designed & tested as per IS 5312 (Part- 2): 1986, suitable to handle clear water having turbidity up to 5000 PPM, having CI body, door and diaphragm, leaded tin bronze seat rings and flange drilling standard end connection, etc., duly insulated complete all as specified and directed by the Engineer-in-Charge. NOTE: Insulation shall be measured and paid for separately.
2
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Supply, installation, testing and commissioning of PN 16 of 40 mm dia rated 2-way pressure independent control valve (PICV) with sensor operated flow rate or power control and energy monitoring function, flange end connections, etc. for modulating water-side control of air handling units along with valve actuator complete all as specified and directed by the Engineer-in-Charge. The valve shall conform to the following technical specification: [i] Material (a) Valve body: EN-GJL-250 (b) Flow measuring pipe: EN-GJL-250 with protective paint (c) Closing element: Stainless steel AISI 316 (d) Spindle: Stainless steel AISI 304 (e) Spindle seal: EPDM (f) Seat: PTFE, O-ring Viton (g) Imersion sleeve: Stainless steel AISI 316 [ii] Electrical Data (a) Nominal Voltage: AC / DC 24 V (b) Nominal Voltage frequency: 50 Hz (c) Power consumption in operation: ≤ 7 W (d) Power consumption in rest position: ≤ 5 W [iii] Flow Measurement (a) Measuring principle: Ultrasonic volumetric flow measurement (b) Measuring accuracy flow: ±2% NOTE: The 2-way Control valve shall be pre-calibrated to the given maximum flow rate.
2
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Supply, installation, testing and commissioning of wafer type PN 1.6 rated short pattern CI butterfly valve of folowing sizes having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF 8 stainless steel disc, AISI- 410 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125, duly insulated complete all as specified and directed by the Engineer-in-Charge.
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50 mm
16
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40 mm
4
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100 mm
2
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65 mm
6
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M & L for PN 1.6 rated 40 mm NB precise balancing double regulation type cast iron (CI) balancing valve of having CI Gr. FG200 body, EPDM / nitrile seal, stainless steel disc, ASTM A 276, Gr SS410 stem, EPDM / nitrile bush, MS gland nut, ASTM A 276 spindle, CI bonnet, SS304 baancing nut, MS bonnet cap, CI hand wheel, MS plug, stainless steel fastener, flanged end connection, etc., and duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by the Engineer-in-Charge. (Insulation shall be measured and paid for separately).
2
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M & L for PN 1.6 rated air vent valve having brass body, cover, adopter, disc assembly & cap, stainless steel strainer, plastic float and 20 mm screwed threaded ends suitable for maximum operating temperature 100 °C installed on all high points in the water piping system to automatically remove the trapped air with necessary accessories all complete as specified and directed by the Engineer-in-Charge.
8
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S & F of 150mm dual scale (°F / °C), lower mount (radial), bimetal thermometer having 0.5 NPT process connection, Grade A accuracy class as per ASME B40.200, stem diameter 6.35 mm, laminated safety glass window, stainless steel 304 case, steam, process connection & joint, aluminium dial & pointer, IP67 protection, scale range 0- 60 °C with necessary accessories all complete as specified and directed by the Engineer-in-Charge.
18
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S & F of 100mm bourdon tube pressure gauge conforming to EN 837-1, having copper alloy process connection & pressure element, plastic black pointer & case, plastic crystal-clear window, snap-fitted in case, accuracy class 2.5, scale range 0- 25 bar with necessary accessories all complete as specified and directed by the Engineer-in-Charge.
86
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Supply, installation, testing and commissioning of double-skin type horizontal, floor-mounted, top / side discharge air handling unit having thermal break profile complete with air-tight casing using gaskets and self-adhesive tapes 0.8 mm thick pre-coated outer skin and 0.6 mm thick GI inner skin, 45±2 mm thick double skin panel with pressure injected CFC/HCFC free PUF having 'k' value of 0.02 W/°C/m & density 40 kg/m³, AMCA certified energy efficient plug fan(s) with backward curved impellers for high static pressure mounted on aluminium extruded siderail base frame with VFD, EU4 pre-filter and EU7 fine filter (mounted on a common frame), combination of 6/8 rows deep chilled water coil(s), 2/4 rows deep hot water coil(s) and reheat coil with anti-corrosion aluminium fins, suitable high efficiency (IE3) TEFC squirrel cage flame proof induction motor, PVC/nylon hinges & handles, view port and marine lamp, limit switch, SS-304 drain pan, vibration isolators/rubber pads (minimum 25mm thick) inspection windows / doors, mixing box and supply / return / fresh air openings fitted with aluminium volume control dampers, thermostat & humidistate,etc. complete all as specified and directed by the Engineer-in-Charge.
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The AHU shall comprise of the following: [a] AMCA certified (for sound & vibration) single inlet single width (SISW) multi blade backward curved type IP54 intergal EC motor direct drive, having an intergal high efficiency permanent magnet electrically commutated motor complete with control electronics and variable speed drive (VSD), sealed bearings and all necessary motor protection and safety devices, single point power connection (for multiple EC motors incorporated into a fan array of (n+1) configuration), Modbus RTU compatible for communication with BMS, class 'F' thermal insulation, suitable protection from moisture & hot climate, over/under voltage protection, short-circuit protection, locked rotor protection, line fault detection, active temperature management for thermal protection or motor and electronics, alarm relay 250V/2A, over-temperature protection, external LED display etc meeting all necessary EMC (electromagnetic compatability) directives & applicable EMC standards e.g., EN 61000-6-3. [b] Flexible connection made with airtight ASTM E84 (Class I) polyester fire retardant cloth riveted on periphery of cloth with extruded aluminium 'L' angle flange as per fan size at discharge duct/plenum [c] CE certified, UL listed self-cleaning (washable) filter meeting G4/ EU4 criteria at velocities 2.5 m/s, start pressure drop approximately 50 to 150 Pa, final pressure drop approximately 150 Pa, having particulate efficiency 90% down to 10 micron [d] CE certified, UL listed self-cleaning (washable) filter meeting F7/ EU7 criteria at velocities between 2.0 to 3.0 m/s, start pressure drop approximately 50 to 100 Pa, final pressure drop approximately 200 to 250 Pa, having particulate efficiency 97% down to 2.5 micron [e] High output Ultraviolet Germicidal Irradiation (UVGI) lamp mounted on a dish antenna shaped parabolic reflector made of anodized aluminium with high spectral reflectivity suitable for use in low temperature applications
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[i] Variable Frequency Drive (VFD) with IP 55 enclosures and mains disconnect switch suitable and comprising of the following complete with accessories (1) Built in dual 5% impedance DC link reactor (harmonic filters) on the positive and negative rails of the DC bus of the Variable Frequency Drive. (2) Built in EMC filters (electro magnetic compatibility filters) for restriction of conducted emissions to comply with IEC61800:3 (un restricted distribution) :2004 Category C 1 (50 meter). (3) Three feedback PID controller having capability to simultaneously accept 3 feedback signals from temperature sensors or pressure sensors for process optimization and accordingly control the speed of the AHUs or pumps. (4) Integral graphical keypad. NOTES: [i] The rate of VFD and other necessary control equipment is deemed included in the quoted rate. [ii] The rate include for Necessary civil work viz. foundation for placement of AHU, mounting of variable frequency drive (VFD) panel, construction of opening(s) for fresh/exhaust air etc. shall be covered in the scope of work.
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Air Handling Unit suitable for delivering 26400 ft3/min @ 750 Pa total static pressure and having 6/8 rows deep cooling coil having cooling capacity 44 TR, 2/4 rows deep heating coil having capacity 75 kW and reheating coil of suitable size having capacity 40 kW with 18 kW flame-proof plug fan and VFD
1
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Air Handling Unit suitable for delivering 24000 ft3/min @ 750 Pa total static pressure and having 6/8 rows deep cooling coil having cooling capacity 32 TR, 2/4 rows deep heating coil having heating capacity 65 kW and reheating coil of suitable size having capacity 12 kW with 15 kW flame-proof plug fan and VFD
1
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M & L for CBRI certified 16-gauge GI fire damper, at least of 120 minutes fire-rating, spring activated on melting of fusible link having melting point 67.13° C complete with smoke detector / thermistor, fusible link etc. and actuator as required for operation, located in the SA / RA ducts, at all fire rated crossovers (shafts, walls, etc.) along with control panel (located in such a way that the reset may easily be done), interlocked with the building management system for the fire detection or HVAC to trip / close in the event of fire / smoke in the respective zone and tested as per UL-555 complete all as specified and directed by the Engineer-in-Charge. The fire dampers shall meet the following criteriaon: [i] Bare fire dampers with 400 mm sleeve [ii] Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position [iii] Interconnection wire for the fire detection & alarm system with the AHU and the smoke dampers [iv] Sealing any openings around the sleeve of the fire dampers with approved fire sealant as per the specification & recommandations of the manufacturer.
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Motorized, spring return type, combination fire and smoke damper
7.5
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Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position.
7
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Supply, installation, testing and commissioning of high performance airfoil class 1A leakage rated GI volume control damper having galvanised steel hat channel frame reinforced with corner braces, galvanised steel airfoil shaped blades (double skin construction) of 14 gauge thicknes, neoprene blade edge seals, flexible metal compressible jamb seals, stainless steel sleeve, linkage concealed in frame, etc. tested as per AMCA Standard 500-D-98 complete all as specified and directed by Engineer-in-Charge.
10.5
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Supply, installation, testing & balancing and commissioning of factory fabricated GI round / rectangular low pressure ducting of following sheet thickness having zinc coating of 120 g/m² total on both sides and complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, volume control dampers, hangers, supports, etc. as per approved drawings and conforming to IS 655: 2006 & the latest edition of HVAC Duct Construction Standards - Metal and Flexible of SMACNA along with required scaffolding work to install the ducts at site complete all as specified and directed by Engineer-in-Charge
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24 gauge
165
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22 gauge
410
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20 gauge
1395
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SUPPLY AIR GRILL S & F of double louver grille of Neck size 42" X 8" (air grill) made of extruded aluminium frame of 20mm width, 46mm depth & 1.15 mm thickness having individually adjustable blades to set the angle of deflection, suitable for delivering 2044 CMH air flow @ core velocity 3.56 m/s & 8 Pa maximum velocity pressure, 11.3 to 14.6 m throw @ 0º blade deflection angle, 8.8 to 11.3 m throw @ 22.5º blade deflection angle and 5.2 to 6.7m throw @ 45º blade deflection angle, 28 dB noise criteria, extruded aluminium opposed blade volume control damper and tested as per ANSI/ ASHRAE standard 70-2006 complete all as specified and directed by the Engineer-in-Charge
128
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THERMAL INSULATION S & F of FM approved flexible pre-covered self-extinguishing thermal insulation made of flexible insulation form based on synthetic rubber with polymeric covering reinforced with polyester scrim, for insulation of air conditioning ductwork both indoor and outdoor conditions to prevent condensation, reduce energy losses, prevent scratches, mechanical damage and frost on pipes, tested for maximum +85ºC & minimum 0 ºC service temperature in conformance with EN 14706, EN 14707 & EN 14304; tear strength 38 kN/m & tensile strength 1.5 MPa in conformance with DIN ISO 34-1 & DIN EN ISO 1978; thermal conductivity (λ) ≤ 0.035 W/mK @ 0 ºC, ≤ 0.037 W/mK @ 24 ºC & ≤ 0.039 W/mK @ 40 ºC temperature in conformance with EN 12667 & EN ISO 8497; water vapour diffusion (µ) 7000 in conformance with EN 12086 & EN 13469; water absorption by volume ≤ 0.2% in conformance with ASTM C1763; Class O with dura fire performance in conformance with BS 476 Part 6: 1989; Class 1 surface spread of flame in conformance with BS 476 Part 7: 1997; HB, V-0 flammability in conformance with UL-94; UV & moisture in conformance with EN ISO 4892-2 method A & B and having zero ozone depletion potential & zero global warming potential, no risk of galvanic corrosion, good UV resistance, good resistance to mechanical impact, etc., in pre-covered self-adhesive sheets with self-seal and other necessary accessories complete all as specified and directed by Engineer-in-Charge.
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19 mm thick thermal insulation (for supply air ducting)
1542
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13 mm thick thermal insulation ( for return air ducting)
413
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S & F of wall mounted digital temperature cum %RH controller complete with large LCD, English display having operating voltage 24±10% V AC, 50 Hz frequency, ≤ 8 VA power consumption, 0.5 ºC temperature display resolution, 0.1% relative humidity display resolution, IP20 protection, etc. including battery and control wiring in PVC conduit from thermostat / humidistat in return air duct to AHU Room complete as specified and directed by Engineer-in-Charge.
7
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S & F of Indoor type wall mounted digital temperature cum %RH meter (Digital Thermo Hygrometer) complete with large LCD, English display having operating with 12/24H Max/Min temperature and humidity memory function range -50°C to 70°C Temperature accuracy 0.5 ºC and Humidity range 10% to 99% RH Humidity accuracy 5% RH Humidity resolution 1% RH Power source 1*AAA (1.5V) battery complete as specified and directed by the Engineer-in-Charge.
7
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Dismantling carefully and removing the existing water cooled chilled complete of 3 x 24 TR capacity including standby compressor, chilled & condensor water pump and all connecting water pipe lines, cooling tower and ducting, electrical control panel etc (Note: The rates quoted deemed to be inclusive of dismantling the existing AC Plant and its connected items including ducting, control panels with its accessories and also making good the disturbed surface i.e. repair to false celing, wall, floors, fitting electrical fittings fire fighting ceiling, smoke detector beam detector, damage wire etc caused while dismatling of AC Plant and its connected items pertains to B/R & E&M)
1
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AC PLANT AT UNCHIBASSI WATER-COOLED SCROLL CHILLER (3W+ 1S) Supply, installation, testing and commissioning of factory designed, pre-fabricated and floor-mounted modular type scroll chiller machine of actual capacity 52 TR at site conditions complete with hermetic scroll compressors having independent refrigerant circuits, water-cooled, horizontal shell and finned tube type condenser with steel shell and intergal finned copper tubes rolled into steel tube sheets, direct expansion type evaporator/ cooler with stainless steel brazed plates and elastomeric insulation, suitable numbers of squirrel cage induction motor of suitable rating with class 'F' insulation, along with necessary drive arrangement, lubrication system as per manufacturer's design required for smooth and trouble-free operation of the chiller package, common base frame, interconnected copper refrigerant piping along with elastomeric insulation, fittings, valves, expansion valves and accessories to interconnect compressor, condenser, chiller and expansion valve, microprocessor based control panel comprising of controls including sensors and equipped with a keyboard, LCD touchscreen access input system, protection and monitoring devices to perform control functions, wiring, vibration isolators, gauge panel, automatic safety controls, flow switch at evaporator and condenser and ozone friendly, CFC-free refrigerant all complete as specified and directed by the Engineer-in-Charge The chiller shall conform to the following requirements / specifications: [i] Chilled water inlet/outlet temperature: 9.5°C /4.5 °C [ii] Evaporator fouling factor: 0.00010 ⁰Fft²hr/Btu [iii] Evaporator side pressure drop: 16 Ft of water column [iv] Condenser water inlet/outlet temperature: 32/36 °C [v] Condenser fouling factor: 0.00025 ⁰Fft²hr/Btu [vi] Condenser side pressure drop: 16 Ft of H2O (maximum) [vii] Minimum COP @ 100% load: 4.7 at AHRI condition [viii] Minimum IPLV @ 100% load: 5.8 at AHRI condition [x] Refrigerant (Ozone friendly type): R407C / R410a [xi] Test standard: ARI 550 / 590
4
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NOTES: [i] The chiller unit shall be at least 3 star-rated in comformity with the table-3 of the gazette notification GE-DL-E-19092023-248822 issued by Ministry of Power, Uol, dated September 18, 2023. [ii] The quoted rate shall be inclusive of motor drive(s) configured in accordance with site parameters, Victaulic coupling and system integrator capable of giving industry standard (Modbus/BACnet) output to BMS for critical parameters. [iii] The chiller OEM shall be manufacturer of its own compressors for easy maintenance. [iv] Mapping shall be required for all critical points displayed on the chiller control panel. The chiller shall be BMS compatible and shall have RS485 / RS232 serial communication protocol. [v] The unit shall be suitable for 3- Phase, 415 V ± 10%, 50 Hz AC electric supply, with a built-in microprocessor based control panel. [vi] Initial / first charge of refrigerant gas & lubrication oil shall be deemed included in the quoted rate. [vii] Necessary civil work viz. foundation for placement of chillers, etc. shall be deemed included in the scope of work and nothing extra shall be paid to the contractor on this account.
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CHILLED WATER CIRCULATION PUMP (2W + 1S) Supply, installation, testing and commissioning of self-priming, single-stage, centrifugal, monoset pump (chilled water circulation pump) suitable for 14.7 litre/s discharge @ 24 mWC head, conforming to IS 9079: 2018 & tested as per IS 5120: 1977 having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with energy efficient (IE4) TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by the Engineer-in-Charge. NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the rates quoted by the contractor & nothing extra shall be admissible on this account. [ii] Pressure gauges, thermometers and drains shall be measured and paid for separately.
3
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FRP INDUCED DRAUGHT COOLING TOWER Supply, installation, testing and commissioning of CTI certified factory assembled, industrial duty, induced draft, counter-flow/ cross flow type, film fill P-FRP cooling tower suitable to cool 900 USGPM water from 36 ºC to 32 ºC (∆T 4 ºC) at entering wet bulb temperature 29 ºC [2650 MBH / 775 kW / 225 TR actual heat rejection] having uniform water distribution and optimal heat transfer having casing of at least 3 mm thick UV
1
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CONDENSER WATER PUMP (2W + 1S) Supply, installation, testing and commissioning of self-priming, single-stage, centrifugal, monoset pump (condenser water pump) suitable for 23.03 litre/s discharge @ 15 mWC head, conforming to IS 9079: 2018 & tested as per IS 5120: 1977 having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with energy efficient (IE4) TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting along with adhesives and other necessary accessories complete all as specified and directed by the Engineer-in-Charge. NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the rates quoted by the contractor & nothing extra shall be admissible on this account. [ii] Pressure gauges, thermometers and drains shall be measured and paid for saperately.
3
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Supply, installation, testing and commissioning of fully BMS and SCADA compatible IP 55 rated electric Hot Water Generator (HWG) in vertical configuration, suitable for 400 kW heat output or 28000 kg/hr water flowrate, 2.5 to 4.0 kg/cm2 operating pressure range and 30 °C to 95 °C operating temperature range, having automatic stage sequence reversal, slave SCR power controller to modulate the entire load from 0-100%, embedded LCD, RS-232C / RS-485 port & ethernet port for communication, in-built self-diagnostic tool, etc. complete all as specified and directed by the engineer-in-charge. [Site #02] The HWG shall conform to the following requirements / specifications: [A] HEATING ELEMENTS (i) Pressure-rated flanged type immersion heaters, conforming to IS 4159: 2002, consisting of multiple tubular heating elements formed into hairpins which are silver-brazed to a mating flange [B] PRESSURE VESSEL (i) Water Vessel, conforming to IS 2825: 1969 rated for 160 psig maximum working pressure at 120 °C and tested at 300 psig having top openable thick MS plate designed for maximum element to water contact for efficient operation, welded to shell flange (ii) Connections for water inlet & outlet with mating flanges (iii) Descaling point & drain connection for system drainage [C] INSULATION (i) 50 mm thick resin bounded fibreglass wool of density 32 kg/cum and cladded with aluminum sheet to minimum heat loss
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[D] CONTROL CABINET (i) Integral control panel made out of 2.0 mm thick powder coated CRCA sheet having louvers to insure adequate ventilation of the control and heater terminal compartment (ii) Base frame fabricated out of ISMC100 channel (iii) hinged doors with lockable padlocks for access to all control compartments [E] CONTROL & SAFETY (i) Incomer MCCB with electrolytic grade copper busbar and mechanical interlock for safe operation (ii) Magnetic Contactors with MCB / HBC fuses for heater switching (iii) Pilot lights indicating the functional operation, i.e. Phase Indication, Each Stage ON, Supply ON, etc. (iv) Alarm package to de-energiz the boiler and give audible and visual indications of high temperature, low water level or zero flow rates (each condition should be indicated with a separate pilot light) (v) Pressure Relief Valve & Air Purge Valve (vi) Temperature & Pressure gauges at both inlet and outlet [F] STEP CONTROLLER (i) Temperature Control using microprocessor based multi-stage electronic progressive staging sequencer with thermistor sensor to control the HWG in stages (ii) Logic and Control circuits to continuously monitor the input signal to determine if more or less heat is required [G] BMS (i) Dry contacts for start / stop command, on / off status indication, fault indications, viz., high temperature and low water level, etc. (ii) Provision for remote operation and local remote selector switch status (iii) RS-485 communication port for remote programming and control (iv) Remote interlock to user enabled energizing or de-energizing of the HWG from remote or any field / pump interlock
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HOT WATER PUMP (2W + 1S) Supply, installation, testing and commissioning of monoblock, self-priming, single-stage centrifugal pump suitable for 4.50 litre/s discharge @ 20 mWC head having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with energy efficient (IE4) TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by Engineer-in-Charge. NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the rates quoted by the contractor & nothing extra shall be pyable on this account. [ii] Pressure gauges, thermometers and drains shall be measured and paid for saperately.
3
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Supply, installation, testing and commissioning of factory made, CPRI / ERDA type tested, fully compartmentalized bolted type HVAC Panel (design verified assembly- DVA) of suitable size conforming to IEC 61439-1 & 2 and IEC 61641 and having modular extensible design suitable for indoor mounting, internal arc compliance of minimum 70 kA for 0.5 s, made out of 2.0 mm thick mild steel CRCA sheet, having both sides openable with hinged doors and locking arrangement, IP 43 & IK 10 protection, supported and fixed on structural frame of angle iron of suitable size, including earthing stud, labelling, painting to all internal & external exposed steel surfaces with powder coating paint (7 tank process), duly fixed in ground with PCC foundation (1:2:4) type B1, with danger notice plate of 1.6 mm thick mild steel vitreous enamelled (white) with letters, figures and conventional skull and bones in signal red colour suitable for 3-Phase, 4-Wire system, 500 V grade with necessary wiring, PVC sheathed stranded copper conductor of appropriate length and size, including fixing lugs, bolts, screws, etc. complete all as specified and directed by the Engineer-in-Charge. The HVAC Panel shall comprise of the following: [A] BUSBAR CHAMBER [i] 01 Set (3L + N) of aluminum busbar of rated capacity 1250 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection [B] INCOMING [i] Circuit Breaker (a) 1250 A, 415 V, Ics = 100% Icu = Icw (1 sec for total selectivity) = 50 kA, 50 Hz electrical draw-out type 4P ACB (with LSIG protection), conforming to IS/IEC 60947-2 & 3, having 100% neutral with inbuilt release protection, no derating up to 50 ⁰C, microprocessor based trip & LED based display systems with thermal memory providing overload, short-circuit, instantaneous & earth-fault protection, zone selective interlocking, pre-trip alarm & individual fault indicating LEDs, 20 trip record, % loading, bar graph, max. & min. meter and pre-alarm function for overload, short-circuit & earth fault - 01 Nos.
1
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[ii] Instrumentation & Measurement (a) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 01 Nos. (b) 1250/1A C1. 1.0 C.T. with 15 VA burden- 01 Nos. (c) 1250/1A Cl. 5P10 C.T. with 15 VA burden- 01 Nos. (d) 415/√3 V / 110/√3 V P.T. Cl.3P, 50 VA burden- 01 Nos. (e) 6A, 10kA, 415V, 50 Hz 4P MCB- 02 Nos. (iv) Indication & Annuciation (a) LED phase indicators (Red, Yellow, Blue)- 01 Set (b) LED status indicators (ON, OFF, TRIP)- 01 Set (c) LED status indicators (SC, CSH, RTC)- 01 Set [C] OUTGOING [i] Circuit Breaker (a) 800 A, 415 V, Ics = 100% Icu = Icw (1 sec for total selectivity) = 50 kA, 50 Hz electrical draw-out type 4P ACB (with LSIG protection), conforming to IS/IEC 60947-2 & 3, having 100% neutral with inbuilt release protection, no derating up to 50 ⁰C, microprocessor based trip & LED based display systems with thermal memory providing overload, short-circuit, instantaneous & earth-fault protection, zone selective interlocking, pre-trip alarm & individual fault indicating LEDs, 20 trip record, % loading, bar graph, max. & min. meter and pre-alarm function for overload, short-circuit & earth fault - 01 Nos. [HWG] (b) 160 A, 415 V, Ics = 100% Icu = 25 kA, 50 Hz 4P MCCB, conforming to IEC 60947-2: 2016, having microprocessor based trip unit, adjustable overload setting, adjustable short-circuit setting, adjustable neutral protection, electrical interlocking, front indication LEDs, etc.- 05 Nos. [for WATER COOLED CHILLER] (c) 100 A, 415 V, Ics = 100% Icu = 16 kA, 50 Hz 4P MCCB, conforming to IEC 60947-2: 2016, having thermal magnetic trip unit, adjustable overload setting, adjustable short-circuit setting, front indication LEDs, etc.- 06 Nos. [AHU PANEL] (d) 32 A, 415 V, Ics = 100% Icu = 10 kA, 50 Hz 3P MCCB, conforming to IEC 60947-2: 2016, having thermal magnetic trip unit, adjustable overload setting, adjustable short-circuit setting, front indication LEDs, etc.- 12 Nos. [CHWP, CDWP, HWP] (e) 63 A, 415 V, Ics = 100% Icu = 16 kA, 50 Hz 3P MCCB, conforming to IEC 60947-2: 2016, having thermal magnetic trip unit, adjustable overload setting, adjustable short-circuit setting, front indication LEDs, etc.- 02 Nos. [COOLING TOWER]
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[ii] Motor Starter / Drive (a) Variable Frequency Drive (VFD) of 9.3 kW rating with IP 55 enclosures and mains disconnect switch and comprising of the following complete with accessories of - 04 Nos. [FOR CHWP] (b) Variable Frequency Drive (VFD) of 3.70 kW rating with IP 55 enclosures and mains disconnect switch and comprising of the following complete with accessories - 04 Nos. [FOR HWP] The VFD drive shall conform to the following technical specification. (1) built-in dual 5% impedance DC link reactor (harmonic filters) on the positive and negative rails of the DC bus of the variable frequency drive (VFD). (2) built-in EMC filters (electro magnetic compatibility filters) for restriction of conducted emissions to comply with IEC61800: 3 (unrestricted distribution): 2004 category C 1 (50 meter) (3) three feedback PID controller having capability to simultaneously accept 3 feedback signals from temperature sensors or pressure sensors for process optimization and accordingly control the speed of pumps. (4) integral graphical keypad. (c) Fully automatic digital soft starter suitable for 7.5 kW drive having adaptive acceleration control, built-in RTD & thermistor inputs, programmable auto start/stop, emergency run operation, fully programmable overload trip, etc. complete with contactors, push button, LED type indicators, auto/manual selector switch, current sensing type single phase preventer complete with all accessories and wiring etc.- 04 Nos. (For CDWP) (d) Fully automatic digital soft starter suitable for 11 kW drive having adaptive acceleration control, built-in RTD & thermistor inputs, programmable auto start/ stop, emergency run operation, fully prgrammable overload trip, etc complete with contractors, push button, LED type indicators, auto/manual selector switch, current sensing type single phase preventer complete with all accessories and wiring etc - 02 Nos (FOR COOLING TOWER) [ii] Instrumentation & Measurement (a) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 14 Nos. [ii] Indication & Annunciation (a) LED status indicators (ON, OFF, TRIP)- 27 Set
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NOTES: [i] ACBs shall have separately powered, individual fault trip indication LEDs (For overload, short circuit, earth fault and trip-unit failure) shall be available on the trip unit which shall function even in the absence of external power supply to the breaker.ACB shall be suitable for ZSI. Trip units shall have thermal memeory as standard. [ii] All the MCCBs up to 200 A shall be with thermal magnetic trip unit & above 200A shall be with microprocessor trip units. To ensure failsafe emergency tripping of the breakers (ACBs & MCCBs), it shall be supplied with continuous rated shunt trip coils. [iii] Necessary control and switching devices to execute the switching and control logic shall be deemed inclusive of the scope of supply irrespective of them being specified / not specified above or in the SLD. [iv] The Panel / Switchboard shall be tested to withstand vibration caused by an earthquake in accordance with IEC 60068-3-3:2013 or IS 1893 Zone V. [v] The Panel shall be purchased from the original equipment manufacturer (OEM) or OEM authorized franchises only. [vi] All the necessary noble components (viz., structural, Door noble like hinge, Bush, Door alignment guage and Bus bar noble - Bus bar support, Close profile structure - horizontal & vertical) of the Panel shall be supplied by the OEM. [vii] The Contractor shall furnish dimensional drawings of the items offered indicating all the fittings, dimensional tolerances, typical GADs, etc. to the engineer-in-charge. [ix] The Contractor shall intimate the Accepting Officer of the routine tests in the OEM factory in presence of a representative nominated by the Accepting Officer before dispatch.
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M & L for 1.1 kV grade XLPE insulated armoured cable conforming to IS 7098 (Part 1): 1988, having stranded compact shaped conductors as per C1. 2 of IS 8130: 1984, PVC inner sheath, single armouring of galvanised steel strip/wire and PVC Type ST-2 outer sheath conforming to IS 5831: 1984, including necessary clamping / dressing with cable ties and termination complete as all specified and directed by Engineer- in- Charge.
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10.0 sqmm, 3 core
50
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70sq mm, 4 core
90
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300 sqmm, 3.5 core
25
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M & L for earthing complete with GI earth plate electrode of 60 cm X 60 cm X 6 mm size, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI strip of size 32 mm X 6 mm as earth lead, by means of bolts, buts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40 mm diameter, connected to earthing test point, all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc.complete as specified and directed by the engineer-in-charge. (for HVAC Panel)
13
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M & L for MS condenser water piping of following sizes including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories complete all as specified and directed by the Engineer-in-Charge.
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200 mm
65
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150 mm
15
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125 mm NOTES: [i] The pipe size 150 mm NB & below shall be MS Class 'C' as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above.
20
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M & L for PN 1.6 rated 150 mm NB 'Y'- type strainer, having carbon cast steel (CCS) body & cover, conforming to ASTM A-216 Gr. WCB, SS 304 screen having ≤ 1.2 mm dia. perforation, flanged end connection, conforming to BS 10 Table J FF undrilled, neoprene rubber body & cover gasket, SS 410 drain plug complete with necessary accessories all as specified and directed by the Engineer-in-Charge.
3
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M & L for PN 1.6 rated wafer type, short / medium pattern cast iron (CI) butterfly valve of following sizes conforming to IS 13095: 2020, having CI Gr. FG200 body conforming to IS 210: 2009, seat having EPDM / nitrile rubber lining, SG iron / ductile cast iron disc, SS AISI- 410 stem, flanged end connection, conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 with necessary accessories complete all as specified and directed by the Engineer-in-Charge.
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200 mm
3
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150 mm
6
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125 mm
8
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M & L for PN 1.6 rated straight type 150 mm NB cast iron (CI) reflux (non-return) valve, conforming to IS 5312-2: 1986, having CI Gr. FG200 body conforming to IS 210: 2009, bolted cover, integral / renewable seat, renewable disc, gunmetal trim with rubber seat ring, flanged end connection, conforming to IS 1538: 1993 with necessary accessories complete all as specified and directed by the Engineer-in-Charge.
3
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M & L for PN 1.6 rated precise balancing double regulation type cast iron (CI) balancing valve of 125 mm NB having CI Gr. FG200 body, EPDM / nitrile seal, stainless steel disc, ASTM A 276, Gr SS410 stem, EPDM / nitrile bush, MS gland nut, ASTM A 276 spindle, CI bonnet, SS304 baancing nut, MS bonnet cap, CI hand wheel, MS plug, stainless steel fastener, flanged end connection, etc., and duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by the Engineer-in-Charge.
4
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M & L for chilled water piping of MS ERW, Class-C pipe including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessorie, duly insulated complete all as specified and directed by the Engineer-in-Charge. NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239-1: 2004 & IS 1239-2: 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately.
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200 mm
35
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150 mm
65
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125 mm
115
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Supply, installation, testing and commissioning of cast iron bolted cover Y-type strainer 125 mm size with CCS body conforming to ASTM A- 216 Gr. WCB, AISI 304 screen with 1.2 mm diameter perforation, 40 kg/cm2 body test pressure & 20 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150, duly insulated complete all as specified and directed by the engineer-in-charge. NOTES: [i] Insulation shall be measured and paid for separately.
3
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Supply, installation, testing and commissioning of wafer type PN 1.6 rated short pattern CI butterfly valve 125 mm nominal bore having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF 8 stainless steel disc, AISI- 410 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125, duly insulated complete all as specified and directed by the Engineer-in-Charge. NOTES: Insulation shall be measured and paid for separately.
6
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Supply, installation, testing and commissioning of 125 mm nominal bore wafer type PN 1.6 rated swing check type multidoor reflux valve (NRV), designed & tested as per IS 5312 (Part- 2): 1986, suitable to handle clear water having turbidity up to 5000 PPM, with CI body, door and diaphragm, leaded tin bronze seat rings and flange drilling standard end connection, etc., duly insulated complete all as specified and directed by the Engineer-in-Charge.
3
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M & L for PN 1.6 rated precise balancing double regulation type cast iron (CI) balancing valve of having CI Gr. FG200 body, EPDM / nitrile seal, stainless steel disc, ASTM A 276, Gr SS410 stem, EPDM / nitrile bush, MS gland nut, ASTM A 276 spindle, CI bonnet, SS304 balancing nut, MS bonnet cap, CI hand wheel, MS plug, stainless steel fastener, flanged end connection, etc., and duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by the Engineer-in-Charge.
-
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100 mm nominal bore
4
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50 mm nominal bore
5
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Supply, installation, testing and commissioning of PN 16 rated 2-way pressure independent control valve (PICV) 65 mm nominal bore with sensor operated flow rate or power control and energy monitoring function, flange end connections, etc. for modulating water-side control of air handling units along with valve actuator complete all as specified and directed by the Engineer-in-Charge. The valve shall conform to the following technical specification: [i] Material (a) Valve body: EN-GJL-250 (b) Flow measuring pipe: EN-GJL-250 with protective paint (c) Closing element: Stainless steel AISI 316 (d) Spindle: Stainless steel AISI 304 (e) Spindle seal: EPDM (f) Seat: PTFE, O-ring Viton (g) Imersion sleeve: Stainless steel AISI 316 [ii] Electrical Data (a) Nominal Voltage: AC / DC 24 V (b) Nominal Voltage frequency: 50 Hz (c) Power consumption in operation: ≤ 7 W (d) Power consumption in rest position: ≤ 5 W [iii] Flow Measurement (a) Measuring principle: Ultrasonic volumetric flow measurement (b) Measuring accuracy flow: ±2%
5
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S & F of FM approved 32mm thick flexible pre-covered self-extinguishing thermal insulation made of flexible insulation form based on synthetic rubber with polymeric covering reinforced with polyester scrim, for insulation of hot and cold-water pipes, chilled water lines both indoor and outdoor conditions to prevent condensation, reduce energy losses, prevent scratches, mechanical damage and frost on pipes, tested for maximum +85ºC & minimum 0 ºC service temperature in conformance with EN 14706, EN 14707 & EN 14304; tear strength 38 kN/m & tensile strength 1.5 MPa in conformance with DIN ISO 34-1 & DIN EN ISO 1978; thermal conductivity (λ) ≤ 0.035 W/mK @ 0 ºC, ≤ 0.037 W/mK @ 24 ºC & ≤ 0.039 W/mK @ 40 ºC temperature in conformance with EN 12667 & EN ISO 8497; water vapour diffusion (µ) 7000 in conformance with EN 12086 & EN 13469; water absorption by volume ≤ 0.2% in conformance with ASTM C1763; Class O with dura fire performance in conformance with BS 476 Part 6: 1989; Class 1 surface spread of flame in conformance with BS 476 Part 7: 1997; HB, V-0 flammability in conformance with UL-94; UV & moisture in conformance with EN ISO 4892-2 method A & B and having zero ozone depletion potential & zero global warming potential, no risk of galvanic corrosion, good UV resistance, good resistance to mechanical impact, etc., in pre-covered self-adhesive sheets/ tubes with self-seal and other necessary accessories complete all as specified and directed by Engineer-in-Charge.
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200 mm
25
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150 mm
15
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125 mm
20
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S & F of fire-retardant quality expanded polystyrene moulded pipe section (EPS) insulation for following pipes of density 20 kg/m3, with a thick coat of cold setting adhesive (CPRX compound) wrapping with 500g polythene faced hessian and finally sand cement plaster and tar felt cladding complete with type, grade-1 roofing felt strip, conforming to IS 1322: 1993, at joints repairing of damage to building etc. for the following diameters as required complete all as specified and directed by the Engineer-in-Charge.
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200 mm
10
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150 mm
53
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125 mm
100
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M & L for drain water GI piping of 25 mm nominal bore including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories complete all as specified and directed by the Engineer-in-Charge.
5
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M & L for CL-125 two-piece design cast iron (CI) straight pattern ball valve, 25 mm size conforming to IS 9890: 1981 and having FG 200 cast iron body conforming to IS 210: 2009, AISI 410 stem, stainless steel AISI 304 ball, renewable PTFE seat & gland packing and screwed female BSP parallel threaded ends conforming to BS 21 with necessary accessories all complete as specified and directed by the Engineer-in-Charge.
1
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M & L for hot water piping including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulated complete all as specified and directed by the Engineer-in-Charge. NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately.
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100 mm nominal bore
93
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80 mm nominal bore
50
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65 mm nominal bore
225
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S & F of FM approved flexible pre-covered self-extinguishing thermal insulation made of flexible insulation form based on synthetic rubber with polymeric covering, reinforced with polyester scrim, for insulation of hot and cold-water 80 mm pipes, chilled water lines both indoor and outdoor conditions to prevent condensation, reduce energy losses, prevent scratches, mechanical damage and frost on pipes, tested for maximum +85ºC & minimum 0 ºC service temperature in conformance with EN 14706, EN 14707 & EN 14304; tear strength 38 kN/m & tensile strength 1.5 MPa in conformance with DIN ISO 34-1 & DIN EN ISO 1978; thermal conductivity (λ) ≤ 0.035 W/mK @ 0 ºC, ≤ 0.037 W/mK @ 24 ºC & ≤ 0.039 W/mK @ 40 ºC temperature in conformance with EN 12667 & EN ISO 8497; water vapour diffusion (µ) 7000 in conformance with EN 12086 & EN 13469; water absorption by volume ≤ 0.2% in conformance with ASTM C1763; Class O with dura fire performance in conformance with BS 476 Part 6: 1989; Class 1 surface spread of flame in conformance with BS 476 Part 7: 1997; HB, V-0 flammability in conformance with UL-94; UV & moisture in conformance with EN ISO 4892-2 method A & B and having zero ozone depletion potential & zero global warming potential, no risk of galvanic corrosion, good UV resistance, good resistance to mechanical impact, etc., in pre-covered self-adhesive sheets/ tubes with self-seal and other necessary accessories complete all as specified and directed by Engineer-in-Charge.
10
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Supply, installation, testing and commissioning of PN 16 rated 2-way pressure independent control valve (PICV) of 50mm nominal bore with sensor operated flow rate or power control and energy monitoring function, flange end connections, etc. for modulating water-side control of air handling units along with valve actuator complete all as specified and directed by the Engineer-in-Charge. The valve shall conform to the following technical specification: [i] Material (a) Valve body: EN-GJL-250 (b) Flow measuring pipe: EN-GJL-250 with protective paint (c) Closing element: Stainless steel AISI 316 (d) Spindle: Stainless steel AISI 304 (e) Spindle seal: EPDM (f) Seat: PTFE, O-ring Viton (g) Imersion sleeve: Stainless steel AISI 316 [ii] Electrical Data (a) Nominal Voltage: AC / DC 24 V (b) Nominal Voltage frequency: 50 Hz (c) Power consumption in operation: ≤ 7 W (d) Power consumption in rest position: ≤ 5 W [iii] Flow Measurement (a) Measuring principle: Ultrasonic volumetric flow measurement (b) Measuring accuracy flow: ±2%
5
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AIR DISTRIBUTION DOUBLE SKIN AIR HANDLING UNIT Supply, installation, testing and commissioning of double-skin type horizontal, floor-mounted, top / side discharge, draw-through air handling unit (AHU) suitable to deliver 24500 ft3/min air flow @ 750 Pa total static pressure (TSP) and having thermal break profile complete with air-tight casing using gaskets and self-adhesive tapes, 0.8 m,m thick pre-plasticized GI sheet for outer skin and 1 mm thick aluminium sheet for inner skin, 45+ 2 mm thick double-skin panel with pressure injected CFC / HCFC free PUF having 'K' value 0.035 W/ºC/m & density 40 kg/m³, AMCA certified energy efficient backward curved electronically commutated (EC) plug fans integrated with continuous speed control in (n+1) configuration, frame mounted modular EU4 pre-filter & EU7 fine-filter, UVGI system, combination of 6/8 rows deep chilled water coil (s), combination of 2/4 rows deep hot water coil(s), with anti-corrosion aluminium finsm electric heating coil for humidity control, PVC / nylon hinges & handles, view port & marine lamp, limit switch, SS-304 drain pan, vibrator isolators / rubber pads (minimum 1" thick) inspection windows / doors, mixing box and supply / return / fresh air opening fitted with aluminium volume control dampers, thermostat & humidistat, AHU Panel etc complete all as specified and directed by the Engineer-in-Charge. The AHU shall comprise of the following:
[a] AMCA certified (for sound & vibration) single inlet single width (SISW) multi blade backward curved type IP54 integral EC motor direct drive, having an integral high efficiency permanent magnet electrically commutated motor complete with control electronics and variable speed drive (VSD), sealed bearings and all necessary motor protection and safety devices, single point power connection (for multiple EC motors incorporated into a fan array of (n+1) configuration), Modbus RTU compatible for communication with BMS, class 'F' thermal insulation, suitable protection from moisture & hot climate, over/under voltage protection, short-circuit protection, locked rotor protection, lcoked rotor protection, line fault detection, active temperature management for thermal protection or motor and electronics, alarm relay 250V/2A, over-temperature protection, external LED display, etc meeting all necessary EMC (electromagnetic compatibility) directives & applicable EMC standards e.g., EN 61000-6-3
5
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[b] Flexible connection made with airtight ASTM E84 (Class I) polyester fire retardant cloth riveted on periphery of cloth with extruded aluminium 'L' angle flange as per fan size at discharge duct/plenum
[c] CE certified, UL listed self-cleaning (washable) filter meeting G4 / EU4 criteria at velocities 2.5 m/s, start pressure drop approximately 50 to 150 Pa, final pressure drop approximately 150 Pa, having particulate efficiency 90% down to 10 micron [d] CE certified, UL listed self-cleaning (washable) filter meeting F7 / EU7 criteria at velocities between 2.0 to 3.0 m/s, start pressure drop approximately 50 to 100 Pa, final pressure drop approximately 200 to 250 Pa, having particulate efficiency 97% down to 2.5 micron [e] High output Ultraviolet Germicidal Irradiation (UVGI) lamp mounted on a dish antenna shaped parabolic reflector made of anodized aluminium with high spectral reflectivity suitable for use in low temperature applications
[f] 6 / 8 rows deep chilled water cooling coil section with 0.15 mm thick aluminium fins and 12.7 mm OD copper tubes (0.41 mm thickness) tested on 21 kg/cm², with SS sandwiched drain tray, etc. (a 350 mm service section between eliminator and heater is required).
[g] 2 / 4 rows deep hot water heating coil section with 0.15 mm thick aluminium fins and 12.7 mm OD copper tubes (0.41 mm thickness) tested on 21 kg/cm², with SS sandwiched drain tray, etc.
[h] Condensate drain pan fabricated from 18 gauge SS 304, powder coated and insulated with elastomeric insulation of suitable thickness
[i] AHU Panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalized construction with incomer and outgoing feeders for AHU motor, 2-way PICV actuator motor, fire damper actuator motor, etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc.
NOTES:
[i] The price of AHU Panel, VFD and other necessary control equipment is deemed included in the quoted rate.
[ii] Necessary civil work viz. foundation for placement of AHU, mounting of AHU Panel, construction of opening(s) for fresh / exhaust air etc. shall be covered in the scope of work.
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Dismantling carefully and removing the existing water cooled chilled complete of 3 x 50 TR capacity compressor, chilled & condensor water pump and all connecting water pipe lines, cooling tower and ducting, electrical control panel etc complete all as specified and directed. (Note : The rates quoted deemeds to be inclusive of dismantling the existing AC Plant and its connected items including ducting, control panels with its accessories and also making good the distributed surface i.e. repair to false ceiling, walls, floors, fitting electrical fittings fire fighting ceiling, smoke detector beam detector, damage wire etc caused while dismantling of AC Plant and its connected items pertains to B/R & E/M)
1
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EXTERNAL ELECTRIFICATION Supply, install, testing and commissioning of copper wound step down transformer, outdoor type, oil immersed, naturally cooled ONAN, rated temperature rise in oil & winding 45/50 degree centigrade complete with standard fittings of capacity 500 KVA HT 11 KV, 3 phase, LT 433V, 4 wire, 50 HZ vector group Dyn-11 with off load tap changing device on HT side to vary secondary voltage from +5 percent to -10 percent in steps of 2.5% including cable box on LT and HT side, first fill of new transformer oil having dielectric strength not less than 60KV, suitable mounting rails of appropriate gauge and other standard accessories all as per IS : 1180 (Part 1) : 2014 (with latest amendment) Note :- The rate quoted deemed to be inclusive of the followig:- (a) Accessories such as oil level gauge, rating and diagram plate, monogram plate, explosive vent with diaphragm, thermometer pocket with thermometer, gun metal drain valve at bottom, Air release plug, inspection cover, lifting lugs, hooks, bi-directional plane rollers, oil temperature indicator, winding temperature indicator, silica gel breather & other standard accessories all as per IS : 1180 (Part-1) : 2014 energy efficiency level 3 and losses as per clause No 7.8.1.1 of IS 1180 (Pt-I)-2014 etc. Any other item as per manufacturer recommendations for best function of transformer if required are deemed to be included in quoted rates. (b) The cost include in the quoted rate for Dismantling/ Removing and deposits to MES Store of the existing BER transformer.
1
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Supply, laying and testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire amoured, electric power cables (heavy duty 1100 Volts grade with stranded aluminium conductor of size 300 sq mm 3.5 core.
250
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DG Set Dismantling of existing DG set with connected accessories such as LT panel, AMF Panel, LT cable connections etc and shifting of complete asset to 18 FAD Unchbassi Depot power house, and reinstalling including preparation of platform as per manufaturer norms (100 KVA DG Set at Unchbassi decleared BER) Note : Rate deemed to be inclusive of dismantling, shifting, cost of platform as per manufacturer norms and all necessary electrical connections and making the same functional.
1
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Supply, install, test and commissioning of 200 KVA/160 KW diesel engine driven Generating set with alternator out put Voltage 415 Volts +/- 1% at set value of 415 V at a frequency 50 HZ +/- 0.5% with suitable standard control panel, (NTP for suitable for installing at 2 ASD Pathankot, all mounted in acoustic enclosure and Control panel including AMF Panel as per manufacturers design and specification as per approved CPCB-04+ norms confirming to the detailed specifications appended below:- (I) ENGINE (a) General : Suitable four stroke compressed ignition, radiator water cooled, Turbocharged aspiration, continuous duty with 10% overload capacity for any one hour in 12 hours runnnig, 50 ºC intake air temperature, CPCB-4+ Euro emission engine developing 215 BHP at 1500 RPM coupled to alternator mounted on Channel iron base frame with in built fuel tank of minimum capacity suitable for 12 Hrs continuous running. The prime mover provided should be as per IS specifications. (b) Air intake system : Should comprise of dry type intake air filter mounted on engine, one in number vacuum indicator mounted on intake piping. (c) Exhaust System : Should comprise of one exhaust manifold, dry type, mounted on engine, one exhaust residential type silencer which should be positioned in such a way that the exhaust gas is not sucked by the fan on the radiator, thereby affecting the cooling system. The silencer should cater to the noise level tolerance prescribed in the relevant IS/BS. The silencer should be provided with flaps with a provision so that it will open only when the generator is running. The complete exhaust system shall be properly supported so that entire lot of the exhaust system shall not fall on the DG Set. (d) Fuel System : Should comprise of disposal type element fuel filter, pressure type fuel pump mounted on engine, non return check valve in fuel supply and drain lines, wire braided hose between filter and pump, fuel system with suitable capacity electronic governor and engine mounted actuator. The fuel tank must have proper locking arrangement with level indicator and to be integrated with base frame.
1
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(e) Cooling System : Should comprise of radiator designed and tested for 50 ºC ambient temperature with 7 PSI pressure cap mounted on base rail. The thermostat installed in the engine coolant outlet, fresh water pump mounted on engine, fan and fan hub mounted on engine. A reservoir of 50% of radiator capacity to replenish coolant by gravity (as and when required) is also to be provided. (f) Lubricating System : Should comprise of lubricating oil sump mounted on engine, gear driven lub oil pump mounted on engine, lubricating oil cooler-fresh water cooled integral with engine cool out circuit mounted on engine, oil filter lubricating with cap and lubricating oil dip stick for oil level check mounted on engine. The system should be capable of feeding lube oil to the main end & large end bearings, cam shaft, valve rocker gear and all moving parts. (g) Starting System : Should comprise of suitable voltage DC electrical starter mounted on engine, with suitable maintenance free batteries of capacity 12/24 V DC with suitable AH to be mounted in trays (having rubber insulation) on the main frame. It should have the provision to charge the battery from external sources during static condition and while running of the generator. (h) AC Generator : The generator shall be horizontal and foot mounted, 200 KVA, 415 Volts, 3 phase, 4 wire, 0.8 PF, 50HZ, self excited, self regulated, brushless AC generator, suitable for an ambient temperature of 50 ºC with IP-23 enclosures class H insulation and temperature rise limited to H as per following technical details (i) Type, brush less AC generators (ii) Output rating 200 KVA (iii) Output voltage : 415 + 1% under all loading conditions. (iv) Output frequency 50 Hz + 0.5% up to 0.8 lagging (v) No of phases : 3 phase with 01 neutral (4 wire) (vi) Mounting : Horizontal foot mounted (vii) Enclosure : Minimum IP-23/ Drip proof and screen protected (viii) Automatic voltage regulator (ix) Class of insulation-H
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Note : Following shall be deemed to be included in cost quoted :- (i)Suitable size RCC cement concrete foundation platform of canopy base with height as required at site to mount the generator as per manufacturer's instruction/ recommendations. The cost of foundation bed incl earth work etc is deemed to be included in the quoted rate. (ii) Connecting existing cables, from existing panels and connecting cables, cables glands, cable lugs to new panel complete with all necessary accessories. (iii) Install on the foundation, connecting fuel lines, cable etc (iv) Test and commissioning complete (v) The cost of control cable from engine control panel to AMF panel shall be deemed to be included in the cost quoted. (j) BASE FRAME : Shall be stand by and fabricated with CRCA sheet metal which shall be suitable to mount the engine, altenator and radiator, channel width of base frame shall be adequate to accommodate anti-vibbration pads. (k) CONTROL PANEL : Shall be indoor type manufactured with 14/16 gauge CRCA sheet and is power coated for weather-proff and long lasting finish consisting of microprocessor power command controller, Aluminium busbar with suitable capacity with incoming/ outgoing terminals, indicating lamps for 'Load ON' and 'Self Running' instrument fuses only wired and ferruled, MCCB of suitable rating with overload and short circuit protections, Volt meter, ammeter with selector switches, Frequency meter, energy meter, CTs and 3 Phase indicating lamps, timers etc all as per latest engineering practices etc complete all as specified and directed. (m) Accessories:- (i) 01 No standard mechanical and electrical tool box. (ii) Internal covered tube lights.
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(n) Acoustic enclosure : Specially designed to meet CPCB norms 75dBA @ 1mtr at 75% load under free field conditions. The acoustic enclosure is made of CRCA sheets and a structural/ sheet metal base with high quality noise absorbent and fire retardant garde acoustic insulation material (P.U. Form) complying to IS 8183 with two point lifting handles (a) Internal Lighting : Tube lights with protective mesh around it to be fitted inside the container for proper illumination (b) Doors : The enclosurewill be provided with suitable doors on the side and reae to enter the enclosure during operation and maintainance. All doors doors will be provided with lock and handles for opening/ closing the doors, retainers for holding the panel door. (p) Painting Scheme ISS shde 220 olive green 1994 or all as per manufacturers specifications (q) Lifting/ Transportation arrangement :- Container with suitable corners will be provided to lift the DG set along with container. This is suitable for road/ rail/ sea transportation (r) Trials :- Trials on site should be given as per load tests prescribed and all functional trials should be shown. Note:- (i) The engine, alternator, Control panel, Acoustic enclosure shaqll be integrated unit sourced from OEM only as per make given in Sch 'A'.
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(2) DG Set Supply, install, testing and commissioning of 250 KVA/200 KW diesel engine driven Generating set with alternator out put Voltage 415 Volts +/- 1% at set value of 415 V at a frequency 50 HZ +/- 0.5% with suitable standard control panel, (NTP for suitable for installing at 18 FAD Unchibassi, all mounted in acoustic enclosure and control panel including AMF Panel as per manufacturers design and specification as per approved CPCB-04+ norms confirming to the detailed specifications appended below:- (I) ENGINE (a) General : Suitable four stroke compressed ignition, radiator water cooled, Turbocharged aspiration, continuous duty with 10% overload capacity for any one hour in 12 hours runnnig, 50 ºC intake air temperature, CPCB-4+ Euro emission engine developing 215 BHP at 1500 RPM coupled to alternator mounted on Channel iron base frame with in built fuel tank of minimum capacity suitable for 12 Hrs continuous running. The prime mover provided should be as per IS specifications. (b) Air intake system : Should comprise of dry type intake air filter mounted on engine, one in number vacuum indicator mounted on intake piping. (c) Exhaust System : Should comprise of one exhaust manifold, dry type, mounted on engine, one exhaust residential type silencer which should be positioned in such a way that the exhaust gas is not sucked by the fan on the radiator, thereby affecting the cooling system. The silencer should cater to the noise level tolerance prescribed in the relevant IS/BS. The silencer should be provided with flaps with a provision so that it will open only when the generator is running. The complete exhaust system shall be properly supported so that entire lot of the exhaust system shall not fall on the DG Set. (d) Fuel System : Should comprise of disposal type element fuel filter, pressure type fuel pump mounted on engine, non return check valve in fuel supply and drain lines, wire braided hose between filter and pump, fuel system with suitable capacity electronic governor and engine mounted actuator. The fuel tank must have proper locking arrangement with level indicator and to be integrated with base frame.
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(e) Cooling System : Should comprise of radiator designed and tested for 50 ºC ambient temperature with 7 PSI pressure cap mounted on base rail. The thermostat installed in the engine coolant outlet, fresh water pump mounted on engine, fan and fan hub mounted on engine. A reservoir of 50% of radiator capacity to replenish coolant by gravity (as and when required) is also to be provided. (f) Lubricating System : Should comprise of lubricating oil sump mounted on engine, gear driven lub oil pump mounted on engine, lubricating oil cooler-fresh water cooled integral with engine cool out circuit mounted on engine, oil filter lubricating with cap and lubricating oil dip stick for oil level check mounted on engine. The system should be capable of feeding lube oil to the main end & large end bearings, cam shaft, valve rocker gear and all moving parts. (g) Starting System : Should comprise of suitable voltage DC electrical starter mounted on engine, with suitable maintenance free batteries of capacity 12/24 V DC with suitable AH to be mounted in trays (having rubber insulation) on the main frame. It should have the provision to charge the battery from external sources during static condition and while running of the generator. (h) AC Generator : The generator shall be horizontal and foot mounted, 250 KVA, 415 Volts, 3 phase, 4 wire, 0.8 PF, 50HZ, self excited, self regulated, brushless AC generator, suitable for an ambient temperature of 50 ºC with IP-23 enclosures class H insulation and temperature rise limited to H as per following technical details (i) Type, brush less AC generators (ii) Output rating 250 KVA (iii) Output voltage : 415 + 1% under all loading conditions. (iv) Output frequency 50 Hz + 0.5% up to 0.8 lagging (v) No of phases : 3 phase with 01 neutral (4 wire) (vi) Mounting : Horizontal foot mounted (vii) Enclosure : Minimum IP-23/ Drip proof and screen protected (viii) Automatic voltage regulator (ix) Class of insulation-H
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Note : Following shall be deemed to be included in cost quoted :- (i)Suitable size RCC cement concrete foundation platform of canopy base with height as required at site to mount the generator as per manufacturer's instruction/ recommendations. The cost of foundation bed incl earth work etc is deemed to be included in the quoted rate. (ii) Connecting existing cables, from existing panels and connecting cables, cables glands, cable lugs to new panel complete with all necessary accessories. (iii) Install on the foundation, connecting fuel lines, cable etc (iv) Test and commissioning complete (v) The cost of control cable from engine control panel to AMF panel shall be deemed to be included in the cost quoted. (j) BASE FRAME : Shall be stand by and fabricated with CRCA sheet metal which shall be suitable to mount the engine, altenator and radiator, channel width of base frame shall be adequate to accommodate anti-vibration pads. (k) CONTROL PANEL : Shall be indoor type manufactured with 14/16 gauge CRCA sheet and is power coated for weather-proff and long lasting finish consisting of microprocessor power command controller, Aluminium busbar with suitable capacity with incoming/ outgoing terminals, indicating lamps for 'Load ON' and 'Self Running' instrument fuses only wired and ferruled, MCCB of suitable rating with overload and short circuit protections, Volt meter, ammeter with selector switches, Frequency meter, energy meter, CTs and 3 Phase indicating lamps, timers etc all as per latest engineering practices etc complete all as specified and directed. (m) Accessories:- (i) 01 No standard mechanical and electrical tool box. (ii) Internal covered tube lights.
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(n) Acoustic enclosure : Specially designed to meet CPCB norms 75dBA @ 1mtr at 75% load under free field conditions. The acoustic enclosure is made of CRCA sheets and a structural/ sheet metal base with high quality noise absorbent and fire retardant garde acoustic insulation material (P.U. Form) complying to IS 8183 with two point lifting handles (a) Internal Lighting : Tube lights with protective mesh around it to be fitted inside the container for proper illumination (b) Doors : The enclosure will be provided with suitable doors on the side and reae to enter the enclosure during operation and maintainance. All doors doors will be provided with lock and handles for opening/ closing the doors, retainers for holding the panel door. (p) Painting Scheme ISS shde 220 olive green 1994 or all as per manufacturers specifications (q) Lifting/ Transportation arrangement :- Container with suitable corners will be provided to lift the DG set along with container. This is suitable for road/ rail/ sea transportation (r) Trials :- Trials on site should be given as per load tests prescribed and all functional trials should be shown. Note:- (i) The engine, alternator, Control panel, Acoustic enclosure shall be integrated unit sourced from OEM only as per make given in Sch 'A'.
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OUTSOURING, MANNING & OPERATION WORK Outsourcing, manning and operation of AC Plant, stand by DG Set and connected accessories at 2 ASD at Pathankot and 18 FAD at Unchibassi by deployment one Ref Mech (Skilled) (separately at both stations i.e one for Pathankot & one for Unchibassi) operating staff (with relevant experience in the field) for each shift of 08 hours (Three shifts per day) including Sundays & Holidays all as specified and directed by Engineer-in-Charge. (FY-2025-26)
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Outsourcing, manning and operation of AC Plant, stand by DG Set and connected accessories at 2 ASD at Pathankot and 18 FAD at Unchibassi by deployment one Ref Mech (Skilled) (separately at both stations i.e one for pathankot & one for Unchibassi) operating staff (with relevant experience in this field) for each shift of 08 hours (Three shifts per day) including Sundays & Holidays all as specified and directed by Engineer-in-Charge. (FY-2026-27)
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Outsourcing, manning and operation of AC Plant, stand by DG Set and connected accessories at 2 ASD at Pathankot and 18 FAD at Unchibassi by deployment one Ref Mech (Skilled) (separately at both stations i.e one for pathankot & one for Unchibassi) operating staff (with relevant experience in this field) for each shift of 08 hours (Three shifts per day) including Sundays & Holidays all as specified and directed by Engineer-in-Charge. (FY-2027-28)
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Outsourcing, manning and operation of AC Plant, stand by DG Set and connected accessories at 2 ASD at Pathankot and 18 FAD at Unchibassi by deployment one Ref Mech (Skilled) (separately at both stations i.e one for pathankot & one for Unchibassi) operating staff (with relevant experience in this field) for each shift of 08 hours (Three shifts per day) including Sundays & Holidays all as specified and directed by Engineer-in-Charge. (FY-2028-29)
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Outsourcing, manning and operation of AC Plant, stand by DG Set and connected accessories at 2 ASD at Pathankot and 18 FAD at Unchibassi by deployment one Ref Mech (Skilled) (separately at both stations i.e one for pathankot & one for Unchibassi) operating staff (with relevant experience in this field) for each shift of 08 hours (Three shifts per day) including Sundays & Holidays all as specified and directed by Engineer-in-Charge. (FY-2029-30)
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AMC of Equipments (1st Year) (Location- Pathankot) Comprehensive maintenance for chilling package of (24X4=96 TR) Scroll type refrigeration Compressor with R407C/ R410A refrigerant with Microprocessor panel and suction and Discharge control valves including one annual and three periodical inspection during the contract period at approximately equal intervals by the OEM and the maintenance program will proceed as and when required as per the inspection report provided by company representative and servicing of complete power supply system of the AC Plant including sub panels. Apart from general inspection the bidder shall arrange Descaling of condenser and chiller tubes, Checking leakage of refrigerant and nitrogen pressure testing including nitrogen, Gas (Refrigerant), Temperature sensor, Bellows, Differential pressure switch unit, Expansion Valve, Compressor Oil, Servicing of primary pump, Servicing of chiller water pumps/condenser water pump, Servicing of blowers for AHU's with induction motor, single phasing preventer, electronic timer will be covered under respective items of BOQ. complete all as specified and directed by the Engineer-in-Charge and as mentioned at Srl No. 114.00 and 114.01. Note :- The bidder shall carry out the following maintenance works after completion of maintenance period of the complete project. The rates quoted by the bidder shall include change of spares / Gas as on required basis and as directed by Engineer-in-Charge. The labour for the same shall be included in the quoted rate of item and the rate of the spares shall be taken as quoted by the bidder against the respective item as supply only.
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Descaling of 24X4=96 TR (chemical cleaning and physical cleaning) of condenser and chiller tubes all as specified and directed by Engr-in-Charge.
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Supply only Gas R410A/ R407C of 24X4 = 96 TR unit forAC Plant complete all as specified and directed by Engr-in Charge.
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Supply only Temperature chilled water sensor/Temperature cooling water sensor of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
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Supply only Bellows as per existing complete as in repairs all as specified and directed by Engr-in Charge.
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Supply only differential pressure switch unit of 24X4=96 TR AC plant complete all as specified and directed by Engr-in Charge.
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Supply only Expansion Valve of AC Plant complete all as specified and directed by Engr-in Charge.
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Supply only Compressor Oil of AC Plant complete all as specified and directed by Engr-in Charge.
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M&L for Servicing of Chilled water pump with induction motor replacing of defective parts such as box, mechanical seal , cut off switch, bearings , complete as per site requirement and as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. if found faulty to be replaced by the contractor without any extra cost.
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M&L for Servicing of blowers for AHU's with induction motor replacing of defective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement or as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. if found faulty to be replaced by the contractor without any extra cost.
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M&L Taking out & rewinding the existing unserviceable burnt motors of condenser/chiller water pumps (Pressure pumps) of capacity upto 20 HP,Three phase, 50 cycles by disconnecting electrically and mechanically and transporting to the locally workshop. Dismantling the motor and removing the old burnt copper winding & demoisturise, cleaning, rewinding the coils with same gauge supper enamelled copper wire, with suitable F class paper insulation, varnishing, and reassembling by replacing bearings reinstalling at the installation and testing, commissioning etc complete.
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M&L Taking out & rewinding the existing unserviceable burnt motors of condenser/chiller water pumps (Pressure pumps) of capacity from 20 HP Upto 40 HP,Three phase, 50 cycles by disconnecting electrically and mechanically and transporting to the locally workshop. Dismantling the motor and removing the old burnt copper winding & demoisturise, cleaning, rewinding the coils with same gauge supper enamelled copper wire, with suitable F class paper insulation, varnishing, and reassembling by replacing bearings reinstalling at the installation and testing, commissioning etc complete.
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M & L Spray painting to AC plant including motor, piping, Valve, Expansion tank,Hot water generator,LT panels,AHU and other connected accessories incl preparation of surface as per existing colour etc complete all as specified and directed by Eng-in-charge.
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S&F Single phasing preventor Type-ESP-2 , 415 Volt, 50 Hz complete as in repair all as specified.
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S&F Electronic timer Type-S/D100 , 230/415 Volt, complete as in repair all as specified. Note : In case of any AC Plant breakdown has occurred, the contractor shall take immediate action arrange all necessary material, T & P and labour and the contractor is , unable to provide material and delay in smooth operation/working of AC Plant/AHU etc recovery will be done at the rate of Rs. 500/- per hour.
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M&L Servicing of HWG with replacing of defective parts as per site requirement or as directed by Engr-in-charge.
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Checking leakage and shortage of refrigerant in the machines of 24x4=96 TR with soap solution and rectify the system defect causing leakage and rectification including topping up of refrigerant. If leakage is not rectified by the soap solution, then Nitrogen pressure testing will be carried out to identify the refrigerant leakage through the chiller machine and refilling/topping up of refrigerant. Amount quotedby the contractor should be inclusive of cost of nitrogen pressure testing including Nitrogen complete all as specified and directed by Engr-in Charge.
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AMC of Equipments (2nd Year) (Location- Pathankot) Comprehensive maintenance for chilling package of (24X4=96 TR) Scroll type refrigeration Compressor with R407C/ R410A refrigerant with Microprocessor panel and suction and Discharge control valves including one annual and three periodical inspection during the contract period at approximately equal intervals by the OEM and the maintenance program will proceed as and when required as per the inspection report provided by company representative and servicing of complete power supply system of the AC Plant including sub panels. Apart from general inspection the bidder shall arrange Descaling of condenser and chiller tubes, Checking leakage of refrigerant and nitrogen pressure testing including nitrogen, Gas (Refrigerant), Temperature sensor, Bellows, Differential pressure switch unit, Expansion Valve, Compressor Oil, Servicing of primary pump, Servicing of chiller water pumps/condenser water pump, Servicing of blowers for AHU's with induction motor, single phasing preventer, electronic timer will be covered under respective items of BOQ. complete all as specified and directed by the Engineer-in-Charge and as mentioned at Srl No. 114.00 and 114.01. Note :- The bidder shall carry out the following maintenance works after completion of maintenance period of the complete project. The rates quoted by the bidder shall include change of spares / Gas as on required basis and as directed by Engineer-in-Charge. The labour for the same shall be included in the quoted rate of item and the rate of the spares shall be taken as quoted by the bidder against the respective item as supply only.
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Descaling of 24X4=96 TR (chemical cleaning and physical cleaning) of condenser and chiller tubes all as specified and directed by Engr-in-Charge.
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Supply only Gas R410A/ R407C of 24X4 = 96 TR unit for AC Plant complete all as specified and directed by Engr-in Charge.
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Supply only Temperature chilled water sensor/Temperature cooling water sensor of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
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Supply only Bellows as per existing complete as in repairs all as specified and directed by Engr-in Charge.
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Supply only Differential pressure switch unit of 24X4=96 TR Ac plant complete as in repairs all as specified and directed by Engr-in Charge.
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Supply only Expansion Valve of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
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Supply only Compressor Oil of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
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M&L Servicing of Chilled water pump with induction motor replacing of difective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement and as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
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M&L Servicing of blowers for AHU's with induction motor replacing of defective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement or as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
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M&L Taking out & rewinding the existing unserviceable burnt motors of condenser/chiller water pumps (Pressure pumps) of capacity upto 20 HP,Three phase, 50 cycles by disconnecting electrically and mechanically and transporting to the locally workshop. Dismantling the motor and removing the old burnt copper winding & demoisturise, cleaning, rewinding the coils with same gauge supper enamelled copper wire, with suitable F class paper insulation, varnishing, and reassembling by replacing bearings reinstalling at the installation and testing, commissioning etc complete.
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M&L Taking out & rewinding the existing unserviceable burnt motors of condenser/chiller water pumps (Pressure pumps) of capacity from 20 HP Upto 40 HP,Three phase, 50 cycles by disconnecting electrically and mechanically and transporting to the locally workshop. Dismantling the motor and removing the old burnt copper winding & demoisturise, cleaning, rewinding the coils with same gauge supper enamelled copper wire, with suitable F class paper insulation, varnishing, and reassembling by replacing bearings reinstalling at the installation and testing, commissioning etc complete.
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M & L Spray painting to AC plant including motor, piping, Valve, Expansion tank,Hot water generator,LT panels,AHU and other connected accessories incl preparation of surface as per existing colour etc complete all as specified and directed by Engr-in-charge.
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S&F Single phasing preventor Type-ESP-2 , 415 Volt, 50 Hz complete as in repair all as specified.
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S&F Electronic timer Type-S/D100 , 230/415 Volt, complete as in repair all as specified. Note : In case of any AC Plant breakdown has occurred, the contractor shall take immediate action arrange all necessary material, T & P and labour and the contractor is , unable to provide material and delay in smooth operation/working of AC Plant/AHU etc recovery will be done at the rate of Rs. 500/- per hour.
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M&L Servicing of HWG with replacing of defective parts as per site requirement or as directed by Engr-in-charge.
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Checking leakage and shortage of refrigerant in the machines of 24x4=96 TR with soap solution and rectify the system defect causing leakage and rectification including topping up of refrigerant. If leakage is not rectified by the soap solution, then Nitrogen pressure testing will be carried out to identify the refrigerant leakage through the chiller machine and refilling/topping up of refrigerant. Amount quotedby the contractor should be inclusive of cost of nitrogen pressure testing including Nitrogen complete all as specified and directed by Engr-in Charge.
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AMC of Equipments (3rd Year) (Location- Pathankot) Comprehensive maintenance for chilling package of (24X4=96 TR) Scroll type refrigeration Compressor with R407C/ R410A refrigerant with Microprocessor panel and suction and Discharge control valves including one annual and three periodical inspection during the contract period at approximately equal intervals by the OEM and the maintenance program will proceed as and when required as per the inspection report provided by company representative and servicing of complete power supply system of the AC Plant including sub panels. Apart from general inspection the bidder shall arrange Descaling of condenser and chiller tubes, Checking leakage of refrigerant and nitrogen pressure testing including nitrogen, Gas (Refrigerant), Temperature sensor, Bellows, Differential pressure switch unit, Expansion Valve, Compressor Oil, Servicing of primary pump, Servicing of chiller water pumps/condenser water pump, Servicing of blowers for AHU's with induction motor, single phasing preventer, electronic timer will be covered under respective items of BOQ. complete all as specified and directed by the Engineer-in-Charge and as mentioned at Srl No. 114.00 and 114.01. Note :- The bidder shall carry out the following maintenance works after completion of maintenance period of the complete project. The rates quoted by the bidder shall include change of spares / Gas as on required basis and as directed by Engineer-in-Charge. The labour for the same shall be included in the quoted rate of item and the rate of the spares shall be taken as quoted by the bidder against the respective item as supply only.
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Descaling of 24X4=96 TR (chemical cleaning and physical cleaning) of condenser and chiller tubes all as specified and directed by Engr-in-Charge.
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Supply only Gas R410A/ R407C of 24X4 = 96 TR unit for AC Plant complete all as specified and directed by Engr-in Charge.
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Supply only Temperature chilled water sensor/Temperature cooling water sensor of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
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Supply only Bellows as per existing complete as in repairs all as specified and directed by Engr-in Charge.
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Supply only Differential pressure switch unit of 24X4=96 TR Ac plant complete as in repairs all as specified and directed by Engr-in Charge.
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Supply only Expansion Valve of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
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Supply only Compressor Oil of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
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M&L Servicing of Chilled water pump with induction motor replacing of difective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement and as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
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M&L Servicing of blowers for AHU's with induction motor replacing of defective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement or as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
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M&L Taking out & rewinding the existing unserviceable burnt motors of condenser/chiller water pumps (Pressure pumps) of capacity upto 20 HP,Three phase, 50 cycles by disconnecting electrically and mechanically and transporting to the locally workshop. Dismantling the motor and removing the old burnt copper winding & demoisturise, cleaning, rewinding the coils with same gauge supper enamelled copper wire, with suitable F class paper insulation, varnishing, and reassembling by replacing bearings reinstalling at the installation and testing, commissioning etc complete.
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M&L Taking out & rewinding the existing unserviceable burnt motors of condenser/chiller water pumps (Pressure pumps) of capacity from 20 HP Upto 40 HP,Three phase, 50 cycles by disconnecting electrically and mechanically and transporting to the locally workshop. Dismantling the motor and removing the old burnt copper winding & demoisturise, cleaning, rewinding the coils with same gauge supper enamelled copper wire, with suitable F class paper insulation, varnishing, and reassembling by replacing bearings reinstalling at the installation and testing, commissioning etc complete.
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M & L Spray painting to AC plant including motor, piping, Valve, Expansion tank,Hot water generator,LT panels,AHU and other connected accessories incl preparation of surface as per existing colour etc complete all as specified and directed by Eng-in-charge.
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S&F Single phasing preventor Type-ESP-2 , 415 Volt, 50 Hz complete as in repair all as specified.
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S&F Electronic timer Type-S/D100 , 230/415 Volt, complete as in repair all as specified. Note : In case of any AC Plant breakdown has occurred, the contractor shall take immediate action arrange all necessary material, T & P and labour and the contractor is , unable to provide material and delay in smooth operation/working of AC Plant/AHU etc recovery will be done at the rate of Rs. 500/- per hour.
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M&L Servicing of HWG with replacing of defective parts as per site requirement or as directed by Engr-in-charge.
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Checking leakage and shortage of refrigerant in the machines of 24x4=96 TR with soap solution and rectify the system defect causing leakage and rectification including topping up of refrigerant. If leakage is not rectified by the soap solution, then Nitrogen pressure testing will be carried out to identify the refrigerant leakage through the chiller machine and refilling/topping up of refrigerant. Amount quoted by the contractor should be inclusive of cost of nitrogen pressure testing including Nitrogen complete all as specified and directed by Engr-in Charge.
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AMC of Equipments (1st Year) (Location - Unchibassi) Comprehensive maintenance for chilling package of (52X4=208 TR) Scroll type refrigeration Compressor with R407C/ R410A refrigerant with Microprocessor panel and suction and Discharge control valves including one annual and three periodical inspection during the contract period at approximately equal intervals by the OEM and the maintenance program will proceed as and when required as per the inspection report provided by company representative and servicing of complete power supply system of the AC Plant including sub panels. Apart from general inspection the bidder shall arrange Descaling of condenser and chiller tubes, Checking leakage of refrigerant and nitrogen pressure testing including nitrogen, Gas (Refrigerant), Temperature sensor, Bellows, Differential pressure switch unit, Expansion Valve, Compressor Oil, Servicing of primary pump, Servicing of chiller water pumps/condenser water pump, Servicing of blowers for AHU's with induction motor, single phasing preventer, electronic timer will be covered under respective items of BOQ. complete all as specified and directed by the Engineer-in-Charge and as mentioned at Srl No. 114.00 and 114.01. Note :- The bidder shall carry out the following maintenance works after completion of maintenance period of the complete project. The rates quoted by the bidder shall include change of spares / Gas as on required basis and as directed by Engineer-in-Charge. The labour for the same shall be included in the quoted rate of item and the rate of the spares shall be taken as quoted by the bidder against the respective item as supply only.
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Descaling of 52X4=208 TR (chemical cleaning and physical cleaning) of condenser and chiller tubes all as specified and directed by Engr-in-Charge.
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Supply only Gas R410A/ R407C of (52X4=208 TR) TR unit for AC Plant complete all as specified and directed by Engr-in Charge.
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Supply only Temperature chilled water sensor/Temperature cooling water sensor of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
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Supply only Bellows as per existing complete as in repairs all as specified and directed by Engr-in Charge.
1
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... More
Supply only Differential pressure switch unit of 52X4=208 TR AC plant complete as in repairs all as specified and directed by Engr-in Charge.
1
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... More
Supply only Expansion Valve of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
1
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... More
Supply only Compressor Oil of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
1
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M&L Servicing of chilled water pump with induction motor with replacing of difective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement and as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
1
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... More
M&L Servicing of condenser water pump with induction motor with replacing of defective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement or as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
1
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... More
M&L Servicing of blowers for AHU's with induction motor with replacing of defective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement or as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
1
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... More
M&L Taking out & rewinding the existing unserviceable burnt motors of condenser/chiller water pumps (Pressure pumps) of capacity upto 20 HP,Three phase, 50 cycles by disconnecting electrically and mechanically and transporting to the locally workshop. Dismantling the motor and removing the old burnt copper winding & demoisturise, cleaning, rewinding the coils with same gauge supper enamelled copper wire, with suitable F class paper insulation, varnishing, and reassembling by replacing bearings reinstalling at the installation and testing, commissioning etc complete.
1
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... More
M&L Taking out & rewinding the existing unserviceable burnt motors of condenser/chiller water pumps (Pressure pumps) of capacity from 20 HP Upto 40 HP,Three phase, 50 cycles by disconnecting electrically and mechanically and transporting to the locally workshop. Dismantling the motor and removing the old burnt copper winding & demoisturise, cleaning, rewinding the coils with same gauge supper enamelled copper wire, with suitable F class paper insulation, varnishing, and reassembling by replacing bearings reinstalling at the installation and testing, commissioning etc complete.
1
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... More
M & L Spray painting to AC plant including motor, pipe cooling tower etc on existing colour complete all as specified and directed by Eng-in-charge.
1
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... More
S&F Single phasing preventor Type-ESP-2 , 415 Volt, 50 Hz complete as in repair all as specified. Note : In case of any AC Plant breakdown has occurred, the contractor shall take immediate action arrange all necessary material, T & P and labour and the contractor is , unable to provide material and delay in smooth operation/working of AC Plant/AHU etc recovery will be done at the rate of Rs. 500/- per hour.
1
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... More
S&F Electronic timer Type-S/D100 , 230/415 Volt, complete as in repair all as specified. Note : In case of any AC Plant breakdown has occurred, the contractor shall take immediate action arrange all necessary material, T & P and labour and the contractor is , unable to provide material and delay in smooth operation/working of AC Plant/AHU etc recovery will be done at the rate of Rs. 500/- per hour.
1
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... More
M&L Servicing of HWG with replacing of defective parts as per site requirement or as directed by Engr-in-charge.
1
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... More
Checking leakage and shortage of refrigerant in the machines of 52x4=208 TR with soap solution and rectify the system defect causing leakage and rectification including topping up of refrigerant. If leakage is not rectified by the soap solution, then Nitrogen pressure testing will be carried out to identify the refrigerant leakage through the chiller machine and refilling/topping up of refrigerant. Amount quoted by the contractor should be inclusive of cost of nitrogen pressure testing including Nitrogen complete all as specified and directed by Engr-in Charge.
1
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AMC of Equipments (2nd Year) (Location - Unchibassi) Comprehensive maintenance for chilling package of (52X4=208 TR) Scroll type refrigeration Compressor with R407C/ R410A refrigerant with Microprocessor panel and suction and Discharge control valves including one annual and three periodical inspection during the contract period at approximately equal intervals by the OEM and the maintenance program will proceed as and when required as per the inspection report provided by company representative and servicing of complete power supply system of the AC Plant including sub panels. Apart from general inspection the bidder shall arrange Descaling of condenser and chiller tubes, Checking leakage of refrigerant and nitrogen pressure testing including nitrogen, Gas (Refrigerant), Temperature sensor, Bellows, Differential pressure switch unit, Expansion Valve, Compressor Oil, Servicing of primary pump, Servicing of chiller water pumps/condenser water pump, Servicing of blowers for AHU's with induction motor, single phasing preventer, electronic timer will be covered under respective items of BOQ. complete all as specified and directed by the Engineer-in-Charge and as mentioned at Srl No. 114.00 and 114.01. Note :- The bidder shall carry out the following maintenance works after completion of maintenance period of the complete project. The rates quoted by the bidder shall include change of spares / Gas as on required basis and as directed by Engineer-in-Charge. The labour for the same shall be included in the quoted rate of item and the rate of the spares shall be taken as quoted by the bidder against the respective item as supply only.
1
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Descaling of 52X4=208 TR (chemical cleaning and physical cleaning) of condenser and chiller tubes all as specified and directed by Engr-in-Charge.
1
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... More
Supply only Gas R410A/ R407C of (52X4=208 TR) TR unit for AC Plant complete all as specified and directed by Engr-in Charge.
1
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Supply only Temperature chilled water sensor/Temperature cooling water sensor of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
1
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Supply only Bellows as per existing complete as in repairs all as specified and directed by Engr-in Charge.
1
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... More
Supply only Differential pressure switch unit of 52X4=208 TR AC plant complete as in repairs all as specified and directed by Engr-in Charge.
1
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... More
Supply only Expansion Valve of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
1
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... More
Supply only Compressor Oil of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
1
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M&L Servicing of chilled water pump with induction motor with replacing of difective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement and as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
1
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... More
M&L Servicing of condenser water pump with induction motor with replacing of defective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement or as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
1
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-
... More
M&L Servicing of blowers for AHU's with induction motor with replacing of defective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement or as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
1
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-
... More
M&L Taking out & rewinding the existing unserviceable burnt motors of condenser/chiller water pumps (Pressure pumps) of capacity upto 20 HP,Three phase, 50 cycles by disconnecting electrically and mechanically and transporting to the locally workshop. Dismantling the motor and removing the old burnt copper winding & demoisturise, cleaning, rewinding the coils with same gauge supper enamelled copper wire, with suitable F class paper insulation, varnishing, and reassembling by replacing bearings reinstalling at the installation and testing, commissioning etc complete.
1
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-
... More
M&L Taking out & rewinding the existing unserviceable burnt motors of condenser/chiller water pumps (Pressure pumps) of capacity from 20 HP Upto 40 HP,Three phase, 50 cycles by disconnecting electrically and mechanically and transporting to the locally workshop. Dismantling the motor and removing the old burnt copper winding & demoisturise, cleaning, rewinding the coils with same gauge supper enamelled copper wire, with suitable F class paper insulation, varnishing, and reassembling by replacing bearings reinstalling at the installation and testing, commissioning etc complete.
1
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... More
M & L Spray painting to AC plant including motor, pipe cooling tower etc on existing colour complete all as specified and directed by Eng-in-charge.
1
-
-
... More
S&F Single phasing preventor Type-ESP-2 , 415 Volt, 50 Hz complete as in repair all as specified. Note : In case of any AC Plant breakdown has occurred, the contractor shall take immediate action arrange all necessary material, T & P and labour and the contractor is , unable to provide material and delay in smooth operation/working of AC Plant/AHU etc recovery will be done at the rate of Rs. 500/- per hour.
1
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... More
S&F Electronic timer Type-S/D100 , 230/415 Volt, complete as in repair all as specified. Note : In case of any AC Plant breakdown has occurred, the contractor shall take immediate action arrange all necessary material, T & P and labour and the contractor is , unable to provide material and delay in smooth operation/working of AC Plant/AHU etc recovery will be done at the rate of Rs. 500/- per hour.
1
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-
... More
M&L Servicing of HWG with replacing of defective parts as per site requirement or as directed by Engr-in-charge.
1
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-
... More
Checking leakage and shortage of refrigerant in the machines of 52x4=208 TR with soap solution and rectify the system defect causing leakage and rectification including topping up of refrigerant. If leakage is not rectified by the soap solution, then Nitrogen pressure testing will be carried out to identify the refrigerant leakage through the chiller machine and refilling/topping up of refrigerant. Amount quoted by the contractor should be inclusive of cost of nitrogen pressure testing including Nitrogen complete all as specified and directed by Engr-in Charge.
1
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... More
AMC of Equipments (3rd Year) (Location - Unchibassi) Comprehensive maintenance for chilling package of (52X4=208 TR) Scroll type refrigeration Compressor with R407C/ R410A refrigerant with Microprocessor panel and suction and Discharge control valves including one annual and three periodical inspection during the contract period at approximately equal intervals by the OEM and the maintenance program will proceed as and when required as per the inspection report provided by company representative and servicing of complete power supply system of the AC Plant including sub panels. Apart from general inspection the bidder shall arrange Descaling of condenser and chiller tubes, Checking leakage of refrigerant and nitrogen pressure testing including nitrogen, Gas (Refrigerant), Temperature sensor, Bellows, Differential pressure switch unit, Expansion Valve, Compressor Oil, Servicing of primary pump, Servicing of chiller water pumps/condenser water pump, Servicing of blowers for AHU's with induction motor, single phasing preventer, electronic timer will be covered under respective items of BOQ. complete all as specified and directed by the Engineer-in-Charge and as mentioned at Srl No. 114.00 and 114.01. Note :- The bidder shall carry out the following maintenance works after completion of maintenance period of the complete project. The rates quoted by the bidder shall include change of spares / Gas as on required basis and as directed by Engineer-in-Charge. The labour for the same shall be included in the quoted rate of item and the rate of the spares shall be taken as quoted by the bidder against the respective item as supply only.
1
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-
... More
Descaling of 52X4=208 TR (chemical cleaning and physical cleaning) of condenser and chiller tubes all as specified and directed by Engr-in-Charge.
1
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-
... More
Supply only Gas R410A/ R407C of (52X4=208 TR) TR unit for AC Plant complete all as specified and directed by Engr-in Charge.
1
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-
... More
Supply only Temperature chilled water sensor/Temperature cooling water sensor of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
1
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... More
Supply only Bellows as per existing complete as in repairs all as specified and directed by Engr-in Charge.
1
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... More
Supply only Differential pressure switch unit of 52X4=208 TR AC plant complete as in repairs all as specified and directed by Engr-in Charge.
1
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... More
Supply only Expansion Valve of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
1
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... More
Supply only Compressor Oil of AC Plant complete as in repairs all as specified and directed by Engr-in Charge.
1
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M&L Servicing of chilled water pump with induction motor with replacing of difective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement and as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
1
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... More
M&L Servicing of condenser water pump with induction motor with replacing of defective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement or as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
1
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... More
M&L Servicing of blowers for AHU's with induction motor with replacing of defective parts such as box, mechanical seal , cut off switch, bearing , complete as per site requirement or as directed by Engr-in-charge. NOTES - (a) Check the alignment and conditions of coupling to prevent damage to shaft and impeller. (b) Lubricate bearings with grease guns. (c) Replace gland thread if required. (d) Check lubricant oil level and make up the oil if required. (e) Check packing and mechanical seals for leakage. (f) Half yearly inspection and service for pumps. (g) Inspect shaft sleeves, shaft, bearings , bearing housing and overhauling of all pumps. (h) The impeller and shaft to be repaired and made functional. If they are found not repairable, then same will be replaced . (i) The packing, mechanical seal, bush, bearing, Shaft sleeves, coupling etc. If found faulty to be replaced by the contractor without any extra cost.
1
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... More
M&L Taking out & rewinding the existing unserviceable burnt motors of condenser/chiller water pumps (Pressure pumps) of capacity upto 20 HP,Three phase, 50 cycles by disconnecting electrically and mechanically and transporting to the locally workshop. Dismantling the motor and removing the old burnt copper winding & demoisturise, cleaning, rewinding the coils with same gauge supper enamelled copper wire, with suitable F class paper insulation, varnishing, and reassembling by replacing bearings reinstalling at the installation and testing, commissioning etc complete.
1
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... More
M&L Taking out & rewinding the existing unserviceable burnt motors of condenser/chiller water pumps (Pressure pumps) of capacity from 20 HP Upto 40 HP,Three phase, 50 cycles by disconnecting electrically and mechanically and transporting to the locally workshop. Dismantling the motor and removing the old burnt copper winding & demoisturise, cleaning, rewinding the coils with same gauge supper enamelled copper wire, with suitable F class paper insulation, varnishing, and reassembling by replacing bearings reinstalling at the installation and testing, commissioning etc complete.
1
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... More
M & L Spray painting to AC plant including motor, pipe cooling tower etc on existing colour complete all as specified and directed by Eng-in-charge.
1
-
-
... More
S&F Single phasing preventor Type-ESP-2 , 415 Volt, 50 Hz complete as in repair all as specified. Note : In case of any AC Plant breakdown has occurred, the contractor shall take immediate action arrange all necessary material, T & P and labour and the contractor is , unable to provide material and delay in smooth operation/working of AC Plant/AHU etc recovery will be done at the rate of Rs. 500/- per hour.
1
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... More
S&F Electronic timer Type-S/D100 , 230/415 Volt, complete as in repair all as specified. Note : In case of any AC Plant breakdown has occurred, the contractor shall take immediate action arrange all necessary material, T & P and labour and the contractor is , unable to provide material and delay in smooth operation/working of AC Plant/AHU etc recovery will be done at the rate of Rs. 500/- per hour.
1
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-
... More
M&L Servicing of HWG with replacing of defective parts as per site requirement or as directed by Engr-in-charge.
1
-
-
... More
Checking leakage and shortage of refrigerant in the machines of 52x4=208 TR with soap solution and rectify the system defect causing leakage and rectification including topping up of refrigerant. If leakage is not rectified by the soap solution, then Nitrogen pressure testing will be carried out to identify the refrigerant leakage through the chiller machine and refilling/topping up of refrigerant. Amount quoted by the contractor should be inclusive of cost of nitrogen pressure testing including Nitrogen complete all as specified and directed by Engr-in Charge.
1
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NOTES FOR ITEM NO(S) 108 to 113 (a) Carry the proper functioning of microprocessor panel and take the control test. (b) Check the electrical panels for tripping, overheating, chattering in electrical parts and terminals for proper tightness. (c) Check for proper working of all Ammeters, voltmeters, Hour mtrs, KWH Mtrs and overload relays, fan belt etc and replacing the same if found unserviceable. (d) Checking the operation of HVAC PANEL and replacing parts if found unserviceable. Proper load balancing should be carried out by the contractor of electric supply system to the chiller machines and necessary arrangements will be carried out for measurement of electric load in all phases by the contractor at no additional cost and the subject report of load in the electrical panel will be submitted at the time of inspection report of the chillers. (e) Clean electrical panels and chiller machine periodically. (f) Check functioning of water flow switch and interlock in the system. (g) Check all safety and operating controls for proper functioning and replace if the same is defective for proper sequence of operation of the machine. (h) All the breakdowns including compressor failure will be attended and the visit shall not be counted in periodical inspection. (i) Check refrigerant filter and drier core, replace the same, if found necessary. (j) Check oil level and oil heater in the system. (k) Check chilled water flow by checking pressure drop across the chiller. (l) Check evaporator and condenser approach and compare the chilled water temperature at full load with the chilled water temperature control. (m) Seasonal adjustment of controls if required and software upgrade. (n) Inspect entire system for any unusual condition such as noise, vibration etc. (o) Supply of electrical parts except electrical spares for incoming panel. (p) All changes/ repair shall be valid only after satisfaction of Engr-in-charge/GE. Contractor shall submit all related documents of expenditure of the contract time to time to avoid delay in payment. (q) Checking the operation of all suction and discharge control valves etc If found faulty /leakage to be replaced by the contractor with out any extra cost. (r) Filling of oil.
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(s) The contractor shall arrange required tools for attend routine services/minor breakdown call like an adjustable spanner, clamp meter, pressure gauge with gorging line, digital temperature gun, fix spanner set, Allen key set, screwdriver set, cotton waste software support if required. (t) The contractor shall also arrange required equipment's for attending major breakdown call like as a vacuum pump, Digital Vacuum gauge, Refrigerant recovery unit, Empty refrigerant cylinders, dehydration tank and required spanners. (u) Clean the cooling tower / chiller unit and Drain the water and clean the expansion tank, Clean pot strainer/y-strainer, check the condition of fills, if required, clean the fills with detergent, check for operation of shut off valves. (v) If AC Plants have any breakdown take immediate action and arrange to provide all necessary material, T&P and labour,If the contractor is unable to provide material and delay in smooth operation/working of AC Plant/AHU etc recovery will be done at the rate of Rs.500/- per hour
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Excavating over areas, n.exc 1.5 m deep and getting out in any type of soil complete all as specified and directed.
105
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Excavation in trenches in any type of soil n exc 1.5 mtr in width and n.exc 1.5 mtr in depth and getting out all as required for laying of cables, foundation filling of poles or stays complete all as specified and directed.
40.5
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Removing excavated material n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and directed.
100
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Returning filling in including spreading, leveling, watering and well ramming in layers n.exc 25cm thick all as specified.
45.5
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M&L for good quality dry sand cushioning to underground electric cable on layer of 8 cm thick before laying the cable and second layer of 15 cm thick after laying the cable all as specified in clause 19.75 of MES Schedule part-I (2009).
22.5
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Supply and laying sub class 'B' bricks of old size (230x115x75mm) or of size locally available, laid along alignment of cable as protection to cable in trenches complete all as specified and directed by Engineer-in-Charge.
1600
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Supply and lay in trenches/ on roof/ on wall / steel water tubing galvanized light grade 80mm bore with all fittings complete all as specified and directed by Engr-in-Charge.
10
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M&L PCC 1:4:8 type D-2 using 40mm graded crushed stone aggregate as in foundation filling and mass concrete complete all as specified.
26.82
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M&L RCC M-25 design mix using 20mm graded aggregate in foundations, including rafts, footings, foundation bearns, plinth beams, bases for columns etc, basement slabs, under-reamed piles and mass concrete complete all as specified and directed.
120
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Formwork to sides of concrete foundations, footings, bases of columns, raft & raft beams, sides & soffits of foundation & plinth beams, and similar work, verticle or to better fair finished surfaces of concrete flat complete.
69
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M&L Mild Steel TMT bars 10mm dia & over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends & binding with & including mild steel wire (annealed) not less than 0.9mm dia or securing with clips quality complete.
3600
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M&L for rendering 5mm thick on fair face of bricks/ complete surface in CM 1:3 finished even and smooth without using extra cement complete all as specified.
31.8
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M&L for preparation of unplastered surfaces of walls and applying two coat of cement base paint over a coat of primer on new plastered surface.
31.8
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Demolition and dismantling works/Credit Works as listed in Schedule 'A' has been attached in tender in PDF format and the amount of Schedule i.e Rs. 777000.00 shall be deducted from the total amount of BOQ to arrive at the contract sum.
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RETURN AIR GRILL S & F of double louver grille of extruded aluminium frame of 20mm width, 46mm depth & 1.15mm thickness having individually adjustable blades to set the angle of deflection, suitable for delivering 9815 CMH air flow @ core velocity 3.25m/s & 5Pa maximun velocity pressure, 24 dB noise criteria and tested as per ANSI/ ASHRAE standard 70-2006 complete all as specified and directed by the engineer-in-charge.
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Neck size 50" X 32"
4
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Neck size 54" X 24"
4
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PRESSURE SWITCH Supply, installation, testing and commissioning of differential pressure sensor, i.e., active sensor (4-20 mA/ 0-5 V/ 0-10 V), suitable for water and water-glycol mixtures and having housing complaint with IP 65/ NEMA 4X and having LCD display for differential pressure measurement in HVAC system complete with all accessories all as specified and directed by the engineer-in-charge. The differential pressure sensor shall conform to the following technical specification: (i) Nominal voltage : AC/DC 24V (ii) AC power consumption: 3.1 VA (max) (iii) DC power consumption: 1.8 W (max) (iv) Pressure measuring range: 0-10 bar (v) Overload pressure: 20 bar (vi) Bursting pressure: 200 bar (vii) Active pressure output signal - 4-20 mA -0-5 V -0-10 V (viii) Multirange: 4 measuring ranges can be selected (ix) Electrical connection:- pluggable spring-loaded terminal block max. 25mm2 (x) Display: LCD, 16x38mm (xi) Protection class : -III separated extra low voltage (SELV) Degree of protection: - IP65 / NEMA 4X
5
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FLOWMETER Supply, installation, testing and commissioning of ultrasonic/ oscillation flow sensor for closed cold / hot water circulation system containing water or water glycol mixtures to continuously measure the glycol content of the medium and compensate for it to ensure an accurate measurement, installed in the system via two external threads (ISO 228-1), suitable for 24 V AC/DC power supply with an output voltage signal 0....10 V or communicative via BACnet MSTP/ Modbus RTU or MP-bus and capable of accumulation of flow rate complete with all accessories all as specified and directed by the engineer-in-charge
2
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M & L for PN 1.6 rated precise balancing double regulation type cast iron (CI) balancing valve 50 mm NB of having CI Gr. FG200 body, EPDM / nitrile seal, stainless steel disc, ASTM A 276, Gr SS410 stem, EPDM / nitrile bush, MS gland nut, ASTM A 276 spindle, CI bonnet, SS304 balancing nut, MS bonnet cap, CI hand wheel, MS plug, stainless steel fastener, flanged end connection, etc., and duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by the engineer-in-charge
5
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Supply and Installation of temper proof electronic digital thermometer,hygrometer with recording and display facility fixed at outside wall of condition space (shed) along with relative humidity and air temp sensor installed in condition space, worked in single phase power supply with necessary cable for connection of system with switching arrangement complete all as specified and directed by Engr-in-Charge.
4
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Demolition and dismantling works/Credit Works as listed in Schedule 'A' has been attached in tender in PDF format and the amount of Schedule i.e Rs. 777000.00 shall be deducted from the total amount of BOQ to arrive at the contract sum.
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Evaluation Notes How It Works ?
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