Public Works Department Tender

Supply, installation, testing and commissioning of Twin or tri lobe type Rotary rotary air blowers capable of delivering min 20 cum/Hr. of free air at 0.5 kg. /Sqcm. driven V-Belt coupled to a TEFC motor of suitable HP for Equalization and MBBR tank. It shall also come with all standard accessories like silencer, air filter, pressure gauge and relief valve. Make: -Akash/Usha/Beta/Equiv. (1 Unit working + 1 Unit Standby) (02 Nos.)

(A) Supply, installation, testing and commissioning of diffuser (Fine Type) capable of handling desired cfm of air. Flow 900 LPH, max pressure 0.7kg/cm2 Air dispersion system shall be provided for equalization and MBBR tank. Make: -GNSS/Neeravi/Equiv. (B) Supply, installation, testing and commissioning of diffuser (Coarse Type) capable of handling desired cfm of air. Flow 5000 LPH, max pressure 0.7kg/cm2 Air dispersion system shall be provided for equalization and MBBR tank. Make: -GNSS/Neeravi/Equiv.

Supply, Installation, testing and commissioning of Agitator for Coagulation and Flocculation tank of Impeller type. HOS 400mm,0.5 HP motor, MOC SS and RPM: 80-100rpm (02 Nos.)

Supply, Installation, testing and commissioning of MBBR media for attached growth process (MBBR Technology) MOC: -PP/PVC floating. Surface area: -400sq.Mtr/Cu.Mtr. Density: 0.9 gm/cm3 Size:15mm*22mm Make: -GNSS/Neeravi/Equiv.

Supply, Installation, testing and commissioning of PVC Tube deck settling media for attached growth process (MBBR Tech.)(Secondary Settling tank) MOC: -PP/PVC floating, Surface area: -400sq.Mtr/Cu.Mtr. Make: -GNSS/Neeravi/Equiv.

Supply, Installation, testing and commissioning of Filter feed pump in single stage, horizontal, centrifugal, monoblock, incprporating C.I. casing, C.S. Shaft, c.i. Impeller, TEFC induction motor directly coupled to the pump with mechanical seal arrangements, fixed on a base plate. The pumps having discharge of 2.0 cum/Hr. with 25-30 Mtrs. Head. Make: -Kirloskar/Willo/Eqv. (02 Nos.)

Supply, Installation, testing and commissioning of vertical floor mounted FRP type activated multigrade filter of suitable size for required flow and head, provided with stainer plate and distribution. The vessel is with multi port valve arrangement,back wash system & filter media etc.and charges with all grades of media gradients. The flow rate of the system is 2.0 cu.mtr. /Hr. and filter size is 16” Inch X 65” Inch. Make: -Starlite/Pentair/Eqv.

Supply, Installation, testing and commissioning of vertical floor mounted FRP type activated Carbon filter of suitable size for required flow and head, provided with stainer plate and distribution. The vessel is with multiport valve arrangement ,back wash system and charged with the activated carbon (1000iv Grade) The flow rate of the system is 1.2 cu.mtr. /Hr. and filter size is 16” Inch X 65” Inch. Make: -Starlite/Pentair/Eqv.

Supply, Installation, testing and commissioning of chemicals(all types) dosing system in Coagulation and Flocculation tank, ACF outlet and DAF unit(two chemicals) with a working capacity of 0 - 6 LPH, metering dosing pump(head 20-30) with 5 No’s of 100 Ltr.PVC tank. Make: -E-Dose/Eqv. (05 Nos)

Supply, Installation, testing and commissioning of Sludge recirculation pump mono-block, non clogging type, self priming pump having capacity of 2.0 cu.mtr. /Hr. at 10-15 meter head with solid handling of 7-8 mm for recycle and disposal of sludge.Make: -Kirloskar/Wilo/Eqv. (1 Unit working + 1 Unit Standby) (02 Nos.)

Providing and fitting of Gauze, piping and valves of required sizes and lengths with all accessories, fittings, supports, clamps, rubber gaskets, nuts/bolts/washers, flanges, NRV’s, flow control valves, stainers at suction water pumps for complete satisfactory working of the system as per site requirements. 1.Submerged air dispersion and interconnecting plant piping=UPVC(Sch-40) Make: - Astral/Prince/Supreme/Eqv. 2.Valves: -Astral/Supreme, MOC: - UPVC 3.Butterfly Valves: -Zoloto//Kartar/Eqv. 4.NRV: -Zoloto/Kartar/Eqv. Disc type, single flap, MOC: - C.I. 5.Non-Submerged air dispersion, MOC: - Cast Iron Make: - Jindal/Hissar/Eqv. 6.Pressure Gauze of capacity 0-10 Kgs., Make: - Guru/Eqv. 7. pH meter: 2Nos 8.Flow Meter: Turbine type 2 No and Digital type 02 Nos

Supply, Installation, testing and commissioning of Electrical control panel suitable for 415V,3-Phase,4-Wires,50Hz power supply. The control panel fabricated out of power coated Min.60 microns, 16SWG, CRCA Sheet steel, IP-52, wall/floor mounting type, The board includes overload relay,single phase prevention for pumps, removable Gland plates, cable glands, including connection with outgoing feeders complete in all respects. The outgoing from the panel is compatible for connections of all equipmentsviz.variouspumps,blowers ,power connections and allied equipments with suitable capacity. Providing and fitting with complete proper laying, connections/thimbling of 50 mm²/3.5. coreAluminmum (armoured) cable =60 Mtrs.Complete fitting/testing of all cabling/conections at full load after earthing of all electrical equipments by suitable chemical earting method. Illumination of the area surrounding the installation site by providing and fitiitng of LED/flood lights of Min.50W-05 Nos with complete fitting and accessories. Make: -Siemens/L&T/Bajaj/Legrand /Polybab/KEI/Eqv.

Supply, Installation, testing and commissioning of pre- fabricated MSEP tanks with suitable stairs/platform of suitable material for 20 KLD (mentioned capacity is excluding of free board) • Coagulation tank • Flocculation tank • MBBR Tank I • MBBR Tank II • Primary tube settler tank • Secondary tube settler tank • Filter Feed Tank (1000lts)

Supply, installation, testing and commissioning of silent type Diesel Generator set (ISI) complete with Diesel engine, alternator and auto start/stop control panel. The diesel engine and alternator shall be coupled or provided with flexible coupling and mounted on a base plate of robust in construction with prime rating of 30 KVA, 415 volts at 1500 RPM, 0.8 lagging power factor at 415 V suitable for 50 hz ± 3%, three phase system and for 0.85 load factor and consisting of the followings. 1) DIESEL ENGINE:- The silent type DG set with current CPCB complaint soundproof acoustic enclosure shall be provided with separate battery charging facilities with over charging protection, turbo charging facility, of suitable BHP at 1500 rpm under NTP conditions conforming to relevant BS/IS standard. 2) ENGINE MOUNTINGS AND ACCESSORIES: - The engine mounting and accessories shall include but not be limited to the following. a) Cooling system: - Heavy duty radiator with fan, coolant inhibitor with minimum 10 liters of coolant capacity. b) Intake air system: - Intake air system contain Duty type filter, Air intake manifold with necessary connections. c) Exhaust system: Exhaust gas turbo charge shall be provided with exhaust system having suitable designed silencer (commercial type) complete with thermal insulation and cladding. Suitable designed exhaust pipe with flexible piping for carrying the exhaust gases out with minimum backpressure on engine. d) Fuel system:-The fuel system shall include fuel tank of minimum 70 liters capacity. Tank shall include all fittings, fuel fill point, level indicator, breather, filters etc. e) Lube oil system:-The lubricating oil system shall include oil pump, lube oil filter, lubrication oil cooler and lube oil level indicator dipstick. f) Governing system:-The engine speed shall be regulated through electronic governor system which shall also provide the over speed protection. Governing class (As per ISO 8528 Part- V) with suitable/ G-2 type Governor System. 3) ALTERNATOR:-Synchronous alternator rated at 30 KVA, 415 volts at 1500 RPM, 3 phase 50 Hz ± 3%, with 0.8 lagging power factor, Alternator Efficiency (at 100% load) 0.8 power factor of 88.4% and Max Voltage Dip at Full Load 0.8 power factor lag less than 16% at ambient temperature as per latest IS/IEC or equivalent standard. Base Frame & Foundation: - The base frame shall be of skid mounting type fabricated from suitable MS providing common bed for engine and alternator directly coupled together. The base frame shall have the providing for grouting foundation bolts as well as fixing an Anti-vibration mounts and for lifting easy removal of DG set. The DG set shall be installed on suitable cement concrete foundation in the ratio of 4:2:1. The length and breadth of the foundation shall be at least 600 mm more than acoustic enclosure length and breadth respectively and height of the foundation shall be 1000 mm, ie 600 mm below and 450mm above ground level and vibration isolation arrangement as per standard recommendations of manufacturer.

ENGINE STARTING AND SHUTDOWN:- a) Engine starting: - The engine starting shall be electrical start with DC 12 volts starting system comprising of starter motors, with 01 no. of suitable battery or as per manufacturer recommendations for suitable voltage rating to run DG set with sealed maintenance free (SMF) battery as per specifications. The battery shall be initially charged and installed using necessary battery stand as required. Battery charger complete with transformer/rectifier DC voltmeter and ammeter, selector switch for trickle off and boost current adjustment should be provided and embedded inside the panel. The battery charging facility may be provided so as to charge the batteries even when the Silent type 30 KVA DG set is not running. The charger shall get disconnected while the generator set is running. Shutdown should be as per OEM norms. b) Alarms/Engine protection:- • Low Lube oil pressure • High water temp • High/Low DC voltage • Weak battery over speed • Fail to crank Fail to start • Sensor failure 5. BATTERY CHARGE CONSISTING OF:- a) Transformer of suitable ratio b) Rectifier c) Charge rate selector switch for "trickle" or "boost" d) DC ammeter and DC voltmeter. e) An indicating lamp for battery being charged. 6) ACOUSTIC ENCLOSURE:-Acoustic enclosure should be an integral part of the DG set. The acoustic enclosure should be as per site condition with the provision to assemble and dismantle easily as per site condition. There should be no protruding part. The enclosure should be fabricated out of CRCA sheet of 14/16 SWG. To have long life of the enclosure it should be PP based power coated (inside as well as outside). All nuts and bolts should be stainless steel. Sound proofing of the enclosure shall be done with quality Rock wool/ mineral wool/ foam of suitable thickness (conforming to IS standard). A provision for emergency shutdown of DG from outside the container should be made. Provision of atmospheric air inlet should be provided. The DG set should have acoustic enclosure to meet stringent sound emission standards laid down MOEF/CPCB, designed to have optimum serviceability, powder coated fabricated on base frame of sturdy design with necessary reinforcement.

7) AUTO START/STOP CONTROL PANEL:- The Control Panel shall be fabricated from steel sheet of 1.5 mm thickness minimum duly pre-treated and aesthetically finished. The Control Panel shall be totally enclosed, dust and vermin proof, floor mounted or wall mounted skid mounted or integral type(unless specifically specified as one of these options by DDOs). The Control Panel shall have the following instruments: (a) Composite meter for digital display of i) Generator voltage ii) Load Current. iii) Power Factor. iv) Frequency v) Energy. (b) One MCCB of suitable rating for DG sets. (c) Push button-switch for ON and OFF operation. (d) Pilot lamps, five numbers in case of three phase (one for each phase, one for load on set and one for charging on). (e)Battery charger complete with voltage regulator, voltmeter and ammeter for charging the battery from mains. This will be in addition to the battery charging alternator fitted on the engine. All the components in the control panel shall be properly mounted, duly wired and labeled. Suitable terminals are to be provided for panel incoming and outgoing connections. The instruments Components shall be of reputed make. (f) The microprocessor based engine management system module to read all the engine conditions like oil pressure, water temperature, RPM, Hour run, will be fixed in this panel with required internal cabling from engine. Any abnormal condition should trigger an followed by tripping of the engine. This also will have AMF logic to sense EB supply and give command to start and stop the engine with time delay and auto manual switch (g) Change-over (3 phase) reputed ISI make of adequate capacity. 8) Earthing:-04 sets of earthing i.e. 02 for neutral and 02 for body earthing with GI earth plate 600 mm x 600 mm x 3 mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/coke and salt as required. Providing and fixing suitable/required quantity of 4mm dia Gl wire on surface or in recess for loop earthing along with existing surface/recessed conduit/sub main wiring/cable as required. The earthing should have maximum 1.0 ohm resistance. All the equipments like DG set, Servo stabilizer and AMF panel should be properly earthed. 9) Cables:-Providing and laying of PVC insulated and PVC sheathed/XLPE aluminum conductor power cable of 1.1 KV grade armoured cable 95 sq.mm. of 3.5 core of, 1100 volts app. of required length as per site conditions (Min.60 Mtrs.) from D.G. Set to distribution panel for complete circuiting of the unit with proper crimpling with crimpling tools

S.No. of items 01 to 19

CIVIL WORK

Earth work in bulk excavation by manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m, as directed by Engineer-in-Charge. All kinds of soil :

Earth work in bulk excavation by manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m, as directed by Engineer-in-Charge. Ordinary Rock

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size)

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with 1:1½:3 (1 cement :1½ coarse sand: 3 graded stone aggregate 20 mm nominal size)

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level Thermo-Mechanically Treated bars of grade Fe-500D or more

Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15°, landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases upto five level including curing but excluding the cost of centring, shuttering, finishing and reinforcement with 1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form work for: Retaining walls, return walls, walls (any thickness) including attached pilasters buttresses, plinth and string course fillets, kerbs andsteps etc

Centering and shuttering including strutting, propping etc. and removal of form for: Suspended floors, roofs, landings, balconies and access platforms.

Centering and shuttering including strutting, propping etc. and removal of form work for: Foundations, footings, bases for columns

Brick work with common burnt clay (non-modular) bricks of class designation 7.5 in foundation and plinth including curing in Cement mortar 1:6 ( 1 cement : 6 coarse sand)

12mm Cement plaster of mix: 1 : 6 ( 1 cement : 6 fine sand)

PVC Pipe 0.203 dia

Manhole cover complete set 65 x 65 x 6 mm (5.8 Kg /m)

Manhole cover complete set 5mm plate cover (39.25 Kg/Sqm)

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead upto 50 m and lift upto 1.5 m.

Kota stone slab flooring 25 mm thick over 20mm (average) thick base laid over and jointed with grey cement slurry mixed with pigment to match the shade of the slab, including rubbing, polishing and curing complete with base of cement mortar 1:4 (1 cement : 4 coarse sand) :

Structural steel work in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. Welded

Providing corrugated G. S. sheet roofing including vertical/curved surface fixed with polymer coated J or L hooks, bolts and nuts 8mm diameter with bitumen and G.I limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (upto any pitch in horizontal/vertical or curved surface)excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. 0.50 mm thick with zinc coating not less than 275 gram/m2

Providing and placing on terrace (at all floor levels) polyethylene water storage tank ISI : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank

Carriage of Materials

Sand for an Avg. distance of 50 Kms by MT and 100 Mtr. By HL

Bajree for an Avg. distance of 50 Kms by MT

Bricks for an Avg. distance of 200 Kms by MT and 100 Mtr. By HL