Tata Memorial Centre Tender
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Tata Memorial Centre Tender
Electrical Goods and Equipments
Electrical and Electronics
Eprocure
Opening Date15 Jun 2024
Closing Date19 Jul 2024
Tender Amount₹ 1,93,14,776
Costs
EMD
₹ 3,86,296Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2024_TMC_812103_1Bid Award Id
ViewTender No
ET-31/Standby Air-Cooled chillers/2024Tender Authority
Tata Memorial Centre ViewPurchaser Address
-Website
http://eprocure.gov.in
GEM & Bid Advisory Services
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Documents
BOQ Items
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Chilled water out : 44 °F
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Chilled water flow : 595.3 USGPM
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Fouling factor : 0.0005 FPS
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IKW at Design condition : 1.18 (Max) ( including power consumed by fan)
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NPLV at Design condition : 6.4 (Max)
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IPLV at AHRI condition: 4.57 (Max)
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COP at AHRI Condition shall be 3.2 (Minimum)
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Ambient Temperature: 38 Degree Celsius to be consider
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Co-efficient of performance of selected chiller at AHRI conditions shall not be less than 3.2
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The price quoted shall include pre shipping inspection / testing at the works of the manufacturer Freight, Insurance, Port clearance, loading / unloading, Installation (including shifting to terrace level), testing and commissioning as per specifications. Also price should include Flexible connection should be condiser of suitable size , Connecting chilled water pipe with same insulation for completion of piping network and flow sensor and any other sensor if require not provided by the OEM to run the chiller should be consider.
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Factory Testing: Chiller will be run tested at 100%,75 % ,50 % and 25% or required based on prevailing condition before despatch in front of Consultant/Representative of Customer. Cost of Witness Test to be borne by Supplier. Test procedure to be followed is as AHRI/ASHRAE/BIS.
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225 Tr
2
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Chiller Water Circulating Centrifugal Pumps:- Primary Circulating Supply, installation, testing and commissioning of Vertical in line axial Split Coupled PN 16 centrifugal pumps with CI casing and Bronze/steel Impeller complete with CED coating, externally flushed outside type balanced Mechanical Seal and non overloading motor, as per specifications and drawings. Suitable HP, TEFC permanent magnet motor with min. Efficiency IE4, class ‘F’ insulation operating on 415 + 10% volts, 3 phase, 50 cycles AC supply for each pump. Pump should be provided with motor mounted/Panel mounted IP55 integrated VFD for sensor less/wireless control (2 no's of wireless DPTs should be considered for wireless control across the load). To maintain the redundancy of VSPS(Variable Speed Pumping System), separate Controller must be provided with IP54 protection. Controller should be capable of controlling the two way modulating valve at by-pass line to ensure the minimum flow to the chillers in case of load variation is below the minimum flow required by the Chillers. Controller must have BMS compatibility via Modbus/BACNET connectivity. The controller should stage/destage the variable pumps basis the best efficiency points (BEP) for the optimum efficiency of variable speed pumping system (VSPS). Pump/Panel mounted VFD must display dynamic frequency, amps, volts, flow and head of operating pump. Suction Guide and Triple Duty Valves to be provided by the pump manufacturer for the unit responsibility. Efficiency should more than 70%.Each pump shall comprise of following as required as per specifications.
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Electrical by pass starter for pump set.
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25 mm thick polyvinyl nitrile rubber insulation duly cladded between aluminium sheets of 0.5mm thickness and properly clamped to pump.
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2 Nos. - 150 mm dia type pressure gauges , Suitable size of ball valve for drain and reducer to be consider, fexible connection of 2 nos of sutable size and Connecting chilled water pipe with same insulation for completion of piping network.
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Mounting frame with antivibration pads (In case pumps are inline, anti vibration system shall be as per Manufacturers recommendation)
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RCC/Cement concrete foundation for the pump unit. (In case pumps are inline, foundation shall be as per Manufacturers recommendation). Also SKID option can be provided based on site condition.
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Pump capacity are as under:
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For Capacity pump set not less than 600 USGPM of water at 50 mtr head each including the triple duct valve and End Suction guide.
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All Variable Pumps must be provided with BMS enabled Active Performance Management. It must proactively tracks and manages pump performance and provides early diagnostic messaging, web accessible trends and analysis along with automated reports helping end customer to make performance-based decisions and take immediate action to deliver the best possible HVAC pump performance.The cloud based subscription should deliver real-time alerts, such as:
1) Alarms & warnings on excessive vibration
2) Pump in hand
3) Dead head
4) VFD & Motor Overheating.
The connectivity kit supplied by pump supplied should have ability to connect and provide real time data for 5 pumps in a single plant room.
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Flow: 600 USGPM, Head: 50 meter.
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Variable Flow Control Panel with accessories integrartion with Installed for Main Plant
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Valves - Manual
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Supplying, fixing, testing and commissioning of following diameter valves(PN-16 Rating) (Complete with Flanges integral or welded, fittings, Nuts, Bolts & Gaskets (PN-16 Rating), strainers (Complete with flanges integral or welded, fittings, Nuts, Bolts & Gaskets (PN-16 Rating), gauges etc for condenser water circulation as per specifications. Insulation thickness of valves should be equal to the Insulation of PUF and AL Cladding of Pipe Section as specified.
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Butterfly Valve ( Insulated Valves) with CI body SS disc nitrile sheet & O ring, Complete with fittings, Nuts, Bolts & Gaskets.
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150 mm
4
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Y - STRAINER ( Insulated Valves) of Ductile CI Body flanged ends with stainless steel strainer for hot water circulation including Insulation thickness of valves should be equal to the Insulation of PUF and AL Cladding of Pipe Section as specified.
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150 mm
2
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NON - RETURN VALVE (Insulated Valves) with duel plate of CI body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for hot water circulation including Insulation thickness of valves should be equal to the Insulation of PUF and AL Cladding of Pipe Section as specified.
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150 mm
2
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Automatic Air Purge Valves for hot water circulation header as specified and required by Engineer In Charge.
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Automatic Air Purge Valve with ball valve
4
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SITC of water pressure gauge (100 mm Ø) bourdon type with brass ball valve of 3/8" Ø and SS tubing, socket. Range (0-50) / (0-100) as required by Engineer In Charge.
4
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SITC of Mercury in glass industrial thermometer in SS-304 casing with 0.5 C least count, range 0-50 C. Brass oil filled thermowell of 1/2" size as required by Engineer In Charge.
4
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Valves - Self Balancing
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Supply, Installation, Testing and Commissioning of following sizes self-balancing with built in measuring facility with CI Body flange construction with EDPM coated disc with long pitch with protected pipe insulation and PN 16 pressure rating for chilled water/hot water circulation as specified.
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150 mm
2
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Electrical distribution Panel
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Design , Supplying, installation, testing & commissioning of cubical type floor mounted LT power panel suitable for Outdoor application IP 67 double door type , from CPRI approved Manufacturer, for 415V, 3 Phase, 4Wire 50 Hz AC supply system fabricated in compartmentalized design from CRCA sheet steel of 2mm thick for frame work and covers, 3 mm thick for gland plates i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade of RAL 7032 , having Suitable Amp capacity extensible type Copper bus bars of high conductivity, SMC bus bar supports, with short circuit withstand capacity of 50kA with entire panel shall have a common earth bus of suitable size at the rear with 2 Nos earth stud, solid connections from main bus bar to switch gears with required size of Copper bus bars and control wiring with 1.5 sq.mm. PVC insulated FRLS copper conductor Single Core cable, for CT wiring 2.5sqmm PVC insulated copper wire , cable alleys, cable gland plates , lifting lugs , taggings , ferruling complete in all respect as approved by EIC ES The scope also includes Supply, fabrication and installation of structural steel required for feeder pillar panel base frame channel foundations on floor with anchor fastener / nuts and bolts , including required welding/ cutting/ grinding shall be done to complete the job using 3mm minimum height 300mm ISA/ISMC/MS channel . The job also includes to paint the structure after surface cleaning with two coats of red oxide and two coats colour of enamel paint as approved and recommended by consultant/ client.
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Incomer :
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Incomer 415 Volt , 3Ph + N , 1600A, 50KA , EDO type ACB( Air circuit Breaker ) 3 POLE + neutral with microprocessor based LSI protection and earth fault protection , shunt release , micro switch , MFM ( voltage , current , frequency , KWH ) Analogue Ameter required rating of CT, R Y B indication LED lamp , ON-OFF TRIP indication LED lamp , T N C switch , Ameter selector switch , Local Remote switch , Emergency stop , Agency has to service thebreaker at site before charging., Bus bar PVC sleeve Red, Yellow , Blue , Black as per standard. Incomer bus bar arrangement to be suitable for connection 04 nos of 3.5 x 300sqmm alluminium armoured cable.
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Outgoing :
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Each MCCB feeder shall be with the following. MCCB-FROH with cable spreader , Manual, with integral LSIG protection, 3x metering CTs 1 Set - Digital Ammeter with in built ASS, metering C.T.s "CAST RESIN" type, 15VA, and accuracy class-1of 800/5A for measuring current in each phase 1 Set - Digital Voltmeter with in built VSS, with 2Amp. Back up MCB 1 Set - 3 Nos. Phase indication LED lamps with 2Amp back up MCB, Breaker 'ON/OFF/TRIP ' indicating light with 2A MCB, test terminal block set, circuits as per standard practice, auxiliary contacts for positive interlocking of the breakers as required. - 2 Set , 1 No. Suitable energy meter for each MCCB feeder
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02 Nos 630A MCCB FROH with cable spreader , 3x metering CTs , 50KA 3ph + Neutral , Microprocessor based LSIG protection , earth fault protection, Extended Rotary Operating Handle, Phase Spreader links and Phase barriers ( For 225TR chillers 02 Nos )
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02 Nos 100A MCCB FROH with cable spreader , 3x metering CTs , 36KA 3ph + Neutral , for pumps , Microprocessor based LSI protection , , Extended Rotary Operating Handle, Phase Spreader links and Phase barriers ( For pumps )
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01 Nos 63A MCCB FROH with cable spreader , 3x metering CTs , 36KA 3ph + Neutral , for pumps , Microprocessor based LSI protection , Extended Rotary Operating Handle, Phase Spreader links and Phase barriers (For Pressurization Unit)
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Electrical distribution Panel
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Each MCCB shall be with the following.
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1 Set - Digital Voltmeter with in built VSS, with 2Amp. Back up MCB
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1 Set - 3 Nos. Phase indication LED lamps with 2Amp back up MCB, Breaker 'ON/OFF' indicating light with 2A MCB, test terminal block set, circuits as per standard practice, auxiliary contacts for positive interlocking of the breakers as required. - 2 Set
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Location of Electrical panel should be as required by Engineer - In - Charge.
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Panel - Main (Location : PLANT ROOM)
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Incomer
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Bus Bar:-
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TPN Copper extensible type main bus bars of minimum of 1600 A capacity (As per capacity of corresponding incoming / Bus couplers) , and auxiliary bus bars of suitable capacity with heat shrunk coloured sleeves and i/c SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 50kA .
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Outgoings
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Supplying and fixing following outgoing complete connection, inter-connection etc. as required.
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1 No. - 1600 Amps Four Pole, 50 KA, MCCB/MCB with Thermal Magnetic release with O/C, S/C & E/F protection release.
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Outgoings
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Supplying and fixing following outgoing complete connection, inter-connection etc. as required
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02 Nos 630A MCCB FROH with cable spreader # 2 Chiller 225TR
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02 Nos 100A MCCB FROH with cable spreader with and single phase preventor (For pump)
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01 Nos 63A MCCB FROH with cable spreader with and single phase preventor
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L.T. CABLES
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Supply, laying, connecting, testing and commissioning of 1.1kV , LT Armoured cable 3.5 Core, XLPE (E) cable including all accessories The unit rate for the job shall include : 1)Supply of Cables 2)Delivery of cables at site. 3)Unloading at site store / site 4)Shifting of cable from site store to place of installation.5)Meggar testing of cable prior to laying. 6)Laying of cables in tray / ground 7)Earthing the glands and armouring with earthing clamp and jumper and also connecting to common earth bar 8)Testing of cables including megger testing at site after connection of end connection of cable. Cable, conforming to IS: 1554/Part 1/1998, XLPE, Aluminium stranded conductor, armoured, 1100 V class Note:- All the electrical cable should be provide with suitable size of cable tray.
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SITC of 3.5Cx240 Sq.mm A2XFY Aluminium Conductor 02 runs for each chiller ( No of chiller 02)
100
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SITC of 3.5Cx35 Sq.mm A2XFY Aluminium Conductor 3.5 x 35 sq.mm. ( Pump)
50
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SITC of 4x16 Sq.mm copper Conductor
40
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Supplying & erecting heavy duty flange type brass double compression type cable glands for end jointing of various sizes for PVC armoured cable with brass washers, rubber rings complete with cable ends & leads connected, with gland double earthing, work completed in all respect all as per instructions and as directed by E-I-C, ES
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SITC of Gland for 3.5 x 35 sq. mm
6
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SITC of Gland for 3.5 x 240 sq. mm
8
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SITC of Gland for 4 x 16 sq. mm
8
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Supplying & erecting crimping type copper lugs confirming to IS suitable for cables evenly crimped with high pressure tools & connected to switch gear terminals with brass/ cadmium plated nut bolts in an approved manners. all as directed by O-I-C, ES
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SITC of 16 Sqmm lugs
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SITC of 35 Sqmm lugs
12
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SITC of 120 Sqmm lugs
16
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SITC of 240 Sqmm lugs
24
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EARTHING & MISCELLANEOUS ITEM
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Earthing complete with galvanised steel earth plate electrode 60cm × 60cm × 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less 'than 1.5 metres below normal ground level, connected to galvanised earth lead wire but using galvanised iron strip 32×6mm as earthing lead
6
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Supply and fixing rubber matting conforming to IS-15652-2006 complete as required. of size 2m * 1m * 25 mm
3
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Earthing complete with galvanised steel earth plate electrode 60cm × 60cm × 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less 'than 1.5 metres below normal ground level, connected to galvanised earth lead wire but using galvanised iron strip 32×6mm as earthing lead
6
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Earthing Conductor Supply, laying, connection and testing bare earthing conductor GI Strip 25 x 5 mm for inter-connecting the earthing stations and various equipment in built up trenches, walls/ceiling, buried in ground generally as specified and shown on the drawing complete with :1)Supply & fixing accessories like earthing clamp, saddle, etc.2)Supply of corrosion protection of buried conductors with bituminous coating3)Supply of Test links (Copper/GI) etc.
120
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Supply and fixing rubber matting conforming to IS-15652-2006 complete as required. of size 2m * 1m * 25 mm
3
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Supply, fabrication & Installation of exhaust piping of 250mm Dia sizes MS 'C' Class exhaust pipes conforming to IS:3589 with welding joint including bends, clamps, dash fastener, flanges, nuts, bolts etc. complete as required and as per specifications.
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Supply, fabrication and erection in position MS structure for DG exhaust piping and silencer in bolted and/or welded structural steel works at all levels; including all built-up sections / compound sections , ready built round / square & rectangular tubular sections made out of rolled sections cutting to required size as per approved drawings; finishing edges by grinding; fixing in line and level with temporary staging and removal of same after erection; grouting with ordinary grout or non-shrink grout as specified; including preparation of detailed fabrication drawings, Cost of painting as specified below, Complete in all respect as directed by Engineer-in-charge. All structural steel shall conform to IS-2062, IS 1387, IS 4923 & IS-808 make. The cost includes surface preparation by manual cleaning/wire brushing etc. followed by primer coat of inorganic zinc silicate followed by two coat of industrial paint. The rate includes the cost of materials, consumables, labour, tools and plants, transportation, loading, unloading, machinery, safety requirents,incidental charges if any, all complete.
300
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Supply, fabrication & Installation of 50mm thick glasswool /mineral wool, wire chicken mesh over insulation and 26 gauge aluminium sheet cladding over the exhaust pipes (250 mm NB).
6
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Providing and laying in position reinforced cement concrete of specified grade including the cost of centering and shuttering - Work at all level : 1:1½:3 (1 Cement: 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) - Pedestals, pit edges, podium and enclosure for landscaping plants.Note:- The agency has to remove the exitsting structure as per instructed and as directed by OIC-ES. No additional cost given for he same.
5
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Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete at all levels Thermo-Mechanically Treated bars of grade Fe-500D or more.
400
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Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying two coat priming coat of approved steel primer and two coat of Enamel Painting all complete
2200
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