NIT NO.25, ITEM NO.06 (2020-21)WW-II

Replacement of 630 A, TP, 50 kA, MCCB with Thermal Magnetic Release (DN3 -630N,L&T) with new MCCB of equivalent specification along with spreaders terminals in existing cubicle panel board including replacing new copper termination of required size and shape as per existing in cubicle panel, making connections, etc. as required. Make: L&T/Schneider/Siemens/DJB approved.

Replacement of Extended Rotary Handle for 630 Amps. TP MCCB (DN3, L&T) ) Make: L&T/Schneider/Siemens/DJB approved.

Replacement of 200 A, TP, 50 kA, MCCB with Thermal Magnetic Release (DN2- 250N, L&T)) with new MCCB of equivalent specification along with spreaders terminals in existing cubicle panel board including replacing new copper termination of required size and shape as per existing in cubicle panel, making connections, etc. as required. Make: L&T/Schneider/Siemens/DJB approved

Replacement of Extended Rotary Handle for 200 Amps. TP MCCB (DN2- 250N, L&T) Make: L&T/Schneider/Siemens/DJB approved.

Renovation of the control wiring of electric panel of Filter house in all respect. Replacement of faulty parts like MCB, Digital Volt meter, Digital Ammeter, Auxiliary Contacts, Contractors, C.T., ON/OFF Switch, Indicating lights, Door Lock, insulators, heat shrinkable sleeve, Bakelite, nuts & bolts, aluminum thimbles, ferrules, rubber packing etc by new one & rewiring of required part of the panel as required by job and painting of complete panel with one or more coats of spray painting with synthetic enamel paint of approved brand and manufacture to give an even shade. This also includes testing of the panel on full load conditions. Make of switch gear : L&T/Schneider/Siemens/DJB approved Make of paint : Berger/Nerolac/Asian.

Dismantling of 250mm sluice valve from the existing channel of clear water pump house and Cleaning of the complete channel after barricading the flow of water by providing gunny bags/cofferdam as required at site of work. Also include the complete channel cleaning after removing all HT cables from the trench and restore all cables in trench at their location after making neat and clean the existing channel.

Fabrication/Supply of frame made from MS C-Channel of size 75mm and 5mm thick and the size of the frame shall be of rectangular shape of size 1200x500x10mm(apprx). The Frame should have MS C-Channel of size 100mm and 6mm thick and 600 mm long on top side of frame for supporting the spindle and Head Stock with Thrust Bearing of the Sluice Gate. The job includes fabrication after cutting the channel, machining, drilling holes and welding of the frame as per site requirement.

Strengthening and fixing of structural steel members of the rectangular frame from the top edge to the bottom level of the channel in the desired shape and size and fixing the same with steel fasteners.

Fabrication/Supply and fixing of MS/CI guide for the penstock gate by using suitable size of fasteners.

Fabrication of gate of MS Plate 10mm thick by cutting the same on the profile cutting machine exactly as per the size of the channel of size 1200x500x10mm approx.

Making/Supply and fixing of steel spindle with suitable sized handle for operation. The spindle shall be made out of 35 mm of dia steel bar of 1500 mm long and shall be threaded as per site requirement and fixing as required.

Fabrication of GM Nut for the above spindle and fixing the same in head stock with thrust bearing of the pen stock gate.

Painting of complete structure with two coats of anti corrosive primer and two or more coats of black anti corrosive paint.

Testing and Commissioning charges of fabricated gate.

Supply of 10HP,1450RPM motor & SP4L+ type self priming pump of bare shaft of size 100x100mm,Head range-12-24.5m,Total head-18.5m.V-415+-10%, horizontal foot mounted with suitable coupling guard for the above said pump & motor as per requirement. Make of Pump-M&P Wilo/Kirloskar/Jyoti/ DJB Approved Make of motor-Kirloskar/ABB/Cromton/Jyoti/DJB Approved

Supply of M.S. Fabricated base frame made out of M.S. Channel of suitable size for motor and pump complete with a set of flexible coupling and foundation bolts all complete whichever required.

Making of brick foundation from best class bricks upto the suitable height to take water from suction side for pump set. The size of foundation will be 1.25mtr X 1.5mtr X 1.5mtr approximately. The concrete mixture in ratio 1:2:4 in foundation with complete best class brick work, including plastering with best quality cement in 1:3 including mixing of water proofing agent in all cement work in the permissible ratio to make it water proof as per satisfaction of engineer-in-charge.

Providing and of 100mm PVC flexible suction Hose pipe of 30meter roll, heavy duty, crack resistant, green color, bursting pressure-10kg/cm²@30˚C, working pressure- 4.5kg/cm²@30˚C , suitable for delivery of waste water, slurry, sludge by 10HP submersible pump. Make-Jyoti/National.

Making of RCC foundation of thickness of 75mm by making Jaal/frame of M.S. Steel bars of size 12mm at the top of brick foundation for fixing of M.S.Base frame of pump set with grouting of foundation bolts for Base Frame as per site requirement including mixing of water proofing agent in all cement work in the permissible ratio to make it water proof as per satisfaction of engineer-in-charge

S/o 4CX 25sqmm aluminium conductor armoured PVC,XLPE cable 1.1 KV. Make:-Gloster/Grandlay/As DJB approved

S/I/T/C of modular/ combinable polycarbonate insulated outdoor type housing shock proof, weather proof, rust proof, UV resistant, Halogen free, silicone free, corrosion proof, protection class: II safe, IP 65 according to IEC 61 439-2, IEC 60 999, DIN EN 50 262, DIN 43 880, IEC 60 529/ DIN VDE 0470 Teil 1, the DB should have ASTA certification by CPRI and manufacturer routine Test Certificate should be provided, totally insulated, having internal embedded gasket with provision of cable entry through glands. The panel board should have following control panel MCB and accessories etc. complete with connections & interconnections etc. as required. Note 1: For mounting of metering & outgoing MCBs only box with hinged door with triangle lid to be used. Note 2: For mounting of 10HP FASD Feeder pillar MS angle frame should be hot dipped galvanized and made out of MS angle of size 35 X 35 X 5 mm at the bottom as per site requirement. Note 3: All indicating lights and measuring instrument shall be protected by suitable MCBs.

Supply of C.I foot valve of 100mm dia. Make of Valve-Kirloskar/IVC/DJB Approved

Supply of M.S Flange of 100mm dia.x16mm thick.

Supply of M.S medium Class black pipe of 100mm dia. Make of pipe-Jindal/Tata

Supply of M.S Tee of size 100mm X 100mm dia.x 10mm thick.

Supply of M.S Bend of size 100mm X 100mm dia.x 10mm thick.

Supply of Nut bolts & washers suitable for above mention pipe, flanged etc. for completing the job as per satisfaction of engineer-in-charge.

Supply of rubber packing sheet suitable for above mention pipe, flanged etc. for completing the job as per satisfaction of engineer-in-charge.

Construction of suction chamber of size 1000mmx 1000mmX600mm adjoining to the existing waste water channel using concrete of ratio 1:2:4 at the bottom and walls of Class A bricks with neat and clean finish in all respect including mixing of water proofing agent in all cement work in the permissible ratio to make it water proof as per satisfaction of engineer-in-charge.

4” M.S. flange welding in the suction/delivery pipe line by bring the welding set and gas cutter at site and making alignment of the suction and delivery line.

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed/XLPE alumium conductor cable of 1.1 KV grade as required 4 x 25 sq. mm ( 28 mm) DSR No.9.1.34

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required. Upto 35 sq. mm (clamped with 1mm thick saddle) DSR2018 No. 7.7.1.

Providing and fixing 6 swg dia GI wire on surface for loop earthing as required

Earthing with copper 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 of 2.7 metre long etc. with charcoal/ coke and salt as required.

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm) 5.9

Installation of the pump set on foundation, laying and fixing 100mm M.S. pipe on ground/underground as per requirement at site and specials, supply and laying of 3-Core 6mm copper cable for connection of the motor to starter and testing commissioning of the pump set on load at site including cartage of the material up to site.

Painting of existing installed 500HP/3.3KV Pump sets with foundation after scrubbing all of the old paint from the surface completely along with all the allied accessories also fitting like delivery and suction line with two coats of spray painting by compressor with synthetic enamel paint of approved brand and manufacture to give an even shade as per satisfaction of engineer-in-charge. Make of paint : Berger/Nerolac/Asian

Painting of new ms pipeline, ms specials and 3sets of existing installed charging pump with motors along with all the allied accessories fitting with two coats of spray painting with synthetic enamel paint of approved brand and manufacture to give an even shade. Make of paint : Berger/Nerolac/Asian

Jal Dhara Engineers India