Providing and fitting of pumping machinery and allied electromechanical works for revival of dug well /Intake well at Tawi pumping station under Languishing LUP2349

Amount

Providing, installation, testing and commissioning of 02 Nos. 20,000 GPH x 60 mtr. head submersible mono block pumpset along with submersible cable and allied works at Intake well Tawi Pumping station. Installation: Shifting / handling the machinery upto pump room at Tawi. Installation of 02 Nos. new 20,000 GPH x 60 mtrs. Head mono block pumpset. Fitting of new pumpset and making of foundation of MS box type strainer to avoid blockage in silt and mud at the base , making alignment and tightening. Job also includes cutting of RCC slab by concrete breaker / laser cutter and making of holes as per specifications and size for lowering of submersible pump into the well and fabrication of MS angle iron grating as per site conditions. The job includes connecting the delivery ends of pumping unit by way of providing / fabrication of nipples and flanges – 2 No. out of MS pipe 80 mm & 100 mm dia. for delivery line, Fabrication / installation of column pipes 100mm dia. for delivery lines with MS flanges at both the ends (18 M approx). Lowering of pumpset by chain pulley block and skilled labour using rubber gaskets, nuts and bolts for leak proof joint. Providing / welding of 02 Nos. bends of appropriate thickness to each pipe .Providing and fitting of 02 nos. cast steel sluice valve and 02 nos. non return valves at each delivery line. Delivery Manifold:- Fabrication of MS pipe 200 mm dia. delivery manifold by plugging of both extreme ends by welding blind flanges at each end and proper anchoring. Connecting the delivery line to the manifold by cutting and welding. Finally the delivery manifold shall be connected with the rising main. All the cutting jobs shall be performed by using industrial gases i.e. oxygen acetylene gas cutting system by highly skilled cutter and welding jobs shall be performed using super bond welding electrodes by highly skilled welders. Main Switch panel:- Providing / fabrication / erection of main switch panel. The panel should be dust and vermin proof fabricated out of 14/16 SWG CR sheet. The panel should be sturdy enough for vibration free operation and should be equipped with suitable locking / sealing arrangements. The structure should be provided suitable entry and exit holes for incoming and outgoing cables. The panel is to be given two coats of anti-rust primer and two coats of steel grey enamel paint. The panel should have equipped with following components / features:- a)MCCB 250 ampere 04 pole – 01 No. of reputed make. Indoor Electrification:- Complete electrification of Pump Room. Job involve providing and fitting of light points 100 watts and 02 nos. 40 watts tube light assembly, complete with choke, starter and base frame inside the pump. Providing and fitting of MCB to various point of pump room with Providing and fitting of suitable specification LT wire for lighting points and heating points. The wiring should be laid through PVC batton of 40 mm size as per site requirement with adequate nos. of circuit points .Fitting of main light board having OFF /ON switches and power points and heating points boards which shall carry switches socket combine 15 Ampere. All the fabrication job shall be performed by skilled fabricator and electrical job by skilled electricians. Then painting the complete with black synthetic enamel by brushing for smooth and even shade. Complete job includes cost of material and labour charges.

Providing, installation, testing and commissioning of 03 ton capacity gantry and allied works at new intake Tawi. The job includes fabrication of MS column of ISMB- 150 mm dia. Making of 04 Nos. equal segments of 10 ft height, then diagonal cross members of size ISMB-150 mm BEAM shall be fabricated on these segments. The job further includes providing / welding of 4 No. MS base plates of size 1½ ft x 1½ft for foundation of the gantry. Foundation bolts shall be grouted for each block then fitting of base plate. Fabrication of top plates over the column of the each block for erection of MS columns. A horizontal beam of ISMB-200, 18’ approx. in length shall further be welded at top of both columns for hoisting the chain pulley block and for projected cantilever 200 mm beam, supports of channel 100 mm x 50 mm – 2 Nos. which shall be provided for 3 ton capacity of standard make for extraction and lifting of pumping machinery. Fabrication of a moveable chain block trolley for movement of the chain pulley block. Job also includes providing and installation of electric 03 ton capacity chain pulley block and allied accessories i.e. slings, U-clamps, nuts bolts etc. Cleaning all the surface to be painted by scrubbing with emery paper, sand paper, wire brushes and waste cloth then applying a single coat of red oxide primer by brushing properly, drying at moderate temperature then applying two coats of black synthetic enamel for smooth and even shade. Complete job includes cost of material, transportation, crane and skilled labour charges.

Laying of 150 mm dia. rising main MS pipe, delivery pipe line approx. 160 m in length by way of Carriage/ Handling/ Cutting/ aligning/ tagging/ welding/ / testing and comm. of 150 mm dia. MS Pipe from Dug well / intake well manifold to settling tank of Tawi Filtration Plant. The job includes cutting of bushes and making of suitable space/ track for working and laying of Rising Main then earth work in excavation on plain soil including dressing of sides and ramming of bottom and disposal of surplus material and making uniform inclined or plane surface along with approach road. The job further includes carriage/ handling/ shifting of 150 mm dia. MS pipe from stacking site at Tawi to an average lead of 300 mtr. by Mech. Transport and unloading. Shifting, manually by using skilled labour at new intake well. Then laying and jointing MS pipe on the temporary supports and on ground. Laying, leveling and jointing by Butt welding as per specification. The job also includes fabrication, providing, fitting, laying and jointing MS Steel, bends, tapers, negotiated in laying as per site conditions. Complete with testing on full load. The entire job so laid shall be thoroughly cleaned thus removing the dust and rust and all foreign material and applying primer coat of red oxide primer and two coats of black synthetic enamel thereof by brushing to obtain a smooth and even shade. Complete job includes cost of pipe, material and labour charges.

SUNIL KUMAR SURI CONTRACTOR

Shivam enterprises