Replacement of pumpsets and other allied works at Pumping Hut Work II

Amount

Pumping Station Hut

Providing of HC Pump Motor Set (1 Nos.) :- Providing of multi stage HC Pump of 50000 GPH X 250m Head coupled with suitable induction motor. ( slow speed ) The specification of motor should be 1400 rpm, 50 HZ, 4 Poles, TEFC Cooled. The pumping machinery should confirm to relevant ISO standard with all latest amendments.

Providing, installation testing and commisioning of 800 A air circuit breaker and allied works. Job includes fabrication of box along with cuttingof 600sqmm al cable, 150mm copper cable & thimbling. Making the conenction of aumminium cable and copper cables with circuit breaker. Job also inclluds fabrication of suportingbox/ structure for ACB and installation of same at pumping station. Complete job includes all cost of material, kabour and carriage charges.

Repair to 250 KVA Transformer at Pumping Station Karua , Job incudes replacement of LT coils, HT coils, Bush set and 200l T-oil.

Manifold at Hut Station :- Modification of delivery manifold at by way of replacement of damaged parts of manifold by gas welding and other allied works

INSTALLATION of Pump Sets:- Foundation Blocks (1 Nos.):-Construction of 1 Nos. R.C.C. foundation blocks inside the pump room for installation of pumping units by demolition of existing foundation block and construction of new as per pump size. The job also includes the following:- Carriage (1 Nos. ):-Carriage of pumping machinery (pump, motor, coupling set, base frame) to site of work by Mech. Transportation and Head Load up to Pump Room. The job also includes dismantling the pumping unit, unfastening the coupling bolts, nuts, bolts of the base frame for separating each component viz. motor pump, coupling set, base frame etc., for their proper handling and carriage. Installation :-Installation of new 50000 GPH X 250M. Head H.C. pump sets. on the foundation blocks by way of providing and fitting of bolts with nuts and washers for fitting of new pump and motor on each base frame, also leveling of pump and motor in proper alignment with each other. Tightening the nut bolts of the base frame. Providing and fitting graphite gland packing with fitting of pump glands, coupling the pump and motor by way of fixing of coupling bolts. Job includes cost of graphite gland packing, nut bolts of the base frame and labour charges for skilled and semiskilled workers deployed for execution of job. Suction Line (1Nos.):- Providing and Laying of MS pipe of required length as suction line from existing water tank to the suction end of the H.C pump. The job includes cutting of MS pipe in the convenient lengths/as per site condition with the help of oxygen acetylene gas cutting system. The cut edges shall be grinded with grinder to give then a smooth and even finish. Then laying, aligning welding of MS pipe in continuous fillet weld of 6 mm in three layers of superior quality welding electrodes. The job includes fabrication of bends negotiated in laying as per the site conditions. Then providing / fabrication of M.S flanges having thickness 6 mm. Cutting of inner circular cut with oxygen acetylene gas cutting system and finishing on heavy duty lathe from both sides, drilling of holes . at equal spaces in three operations, making of groove from proper fitting of packing sheet. The job also includes fabrication of 90 degree bend out of MSpipe by cutting it into required pieces and welding at regd. angle, then fitting the one bend with suction flange of HC pump and flanged end of the pipe with P/F of rubber sheet and reqd. No. of high tensile MS bolts with nuts and spring washers. Job also includes providing and fitting of cast iron Sluice Valve heavy duty 1No. on suction and then testing the mechanical system on load. Delivery Line (1Nos.):- Providing and Laying of MS pipe of required length. The job includes cutting of the MS pipe in the convenient lengths/as per site condition with the help of oxygen acetylene gas cutting system. The cut edges shall be grinded with grinder to give then a smooth and even finish and surface. Then laying, aligning and welding of MS pipe in continuous fillet weld of 6 mm in three layers of superior quality welding electrodes of 4 mm and 3.14 mm dia. The job includes fabrication of bends negotiated in laying as per the site conditions. Then providing/fabrication M.S flanges having thickness 6 mm. The job includes providing of MS plate 6 mm thick 100 mm x 100 mm. cutting outer circular cut and inner circular cut with oxygen acetylene gas cutting system and finishing on heavy duty lathe from both sides, drilling of holes at equal spaces in three operations, making of groove from proper fitting of packing sheet. The job also includes fabrication of 90 degree bend out of MS pipe by cutting it into required pieces and welding at regd. angle, then fitting the one bend with suction flange of HC pump and flanged end of the MS pipe with P/F of rubber sheet and reqd. No. of long high tensile MS bolts with nuts and spring washers. Job also includes providing and fitting of cast Steel Sluice Valve. (1.6 PN) – 1 No., NRV Cast Steel (1.6 PN) -1 No. with pipe on delivery side and then testing the mechanical system on load. The whole job includes cost of material i-e., MS Pipes, Reflex Valve, Sluice Valve (It should confirm to the relevant ISO Standards) welding rods, M.S. flanges, M.S. bends, nut bolts, rubber insertion sheet, oxygen acetylene gas used and POL used by DG set, hire charges/carriage charges of welding set, DG set, gas cutting apparatus and labour charges for skilled and semi-skilled workers deployed for execution of job. Painting (2Nos. pipelines):-Cleaning all the surfaces of suction and delivery lines by scrubbing with emery paper, sand paper, wire brushes and then applying a single coat of red oxide primer, drying out at moderate temperature, then applying two coats of black synthetic enamel paint for smooth and even shades. Job includes cost of material and labour charges. Cables :-Providing and fitting of following size of PVC insulated copper cable with thimbles :- 1. Providing and fitting of copper cables 150 sq mm -30mtrs. 2. Providing and fitting of copper cables 120 sq mm -60mtrs. All the cables shall be of requisite current carrying capacity as per the equipment and shall be routed through the flexible conduit and firmly connected to the electric points of stabilizer, main switch starter and motors. Chemical Earthing (4 Nos.):- Providing and fixing of Chemical Earthing by way of digging of pit approximately 7ft. depth. P/f of copper electrode with chemical material and P/L of copper wire with proper nut-bolts. Complete job includes the cost of material and labour charges for skilled and semi-skilled workers deployed for execution of work as also tools-tackles for working at site. Testing Commissioning (1 Nos. units):-Testing and commissioning of the newly installed pumping unit along with allied starting and controlling devices for their smooth functioning. Rectifying the faults noticed during testing and also setting, adjusting the instruments of the panel Board , LT Control Panel and tightening of each cable thimbles of electrical points of stabilizer, main switch, starters and motors and realignment/leveling of pump & motor and checking the leakage of water from suction and delivery line if any. Job includes labour charges for skilled and semiskilled workers deployed to complete the job.

M.S J K HYDRAULIC ENGGG AND FABRICATOR WORKS

SUNIL KUMAR SURI CONTRACTOR

ROYAL ENGINEERS AND CONTRACTORS