Spl repairs to Centrifugal Pumps (Vintage 20 Yrs) and Spl repairs to Drainage Sys and connected items of STP under GE (W) Mathura.

Amount

Dismantling of unserviceable centrifugal pumps from existing system of capacity 27,000 Gallons/Hour at 60 mtr head, DSM-4 type, Make Kirloskar, driven by 50 HP electric motor transported to civil workshop for repairing complete all as specified and directed. (Note:- Defective/damage spare parts which are not repairable shall be supply & fix new and will be measured and paid separatly under appropriate item of this schedule.)

M&L for renewal of under mentioned components/ spare parts suitable for above mentioned pump set, complete all as specified and directed by Engr-in-charge. (a) Impeller Ist stage bronze.

(b) Impeller IInd stage bronze.

(c) Pump shaft C-40.

(d) Wear ring CI.

(e) Inter stage ring.

(f) Bottom portion of pump body CI

(g) Top portion of pump body CI.

(h) Sleeve DE/NDE CI.

(j) Split lantern ring (Bronze).

(k) Bearing cover DE CI.

(l) Bearing cover NDE CI.

(m) Bearing cover cap/plate CI.

(o) Pin bush coupling pully DE/NDE CI

(p) Water deflector (Aluminum).

(q) ‘O’ ring for shaft sleeves(CI).

(r) Impeller key (CI).

(s) Coupling key (CI).

(t) Shaft nut (CI)

(u) Gasket set.

(v) Brass greasing nipple.

(w) Brass air cock.

(x) Rubber spider suitable for tyre coupling

(y) Bearing cartridge DE/NDE.

S&F in replacement MS Screw with bolts hexagonal or square heads at one end and screwed the other end or screwed both ends, nuts, washers, length of bolt 150mm to 225mm dia of bolt 16mm & above complete all as specified and directed.

S&F in replacement pressure gauge 0-10 Kg/Sqcm, 4 inch dia round type including suitable size symphonic pipe connection complete all as specified and directed.

S&F in renewal of bearing No 6313 of Make SKF/NBC suitable for 50 HP induction motor 3 Phase complete all as specified and directed.

S&F in replacement of steel cushion vibration pad suitable for 50 HP centrifugal pump set complete all as specified and directed

Dismantling , taking out existing rusted MS pipe from the headders of main rising line in any position at site with fittings & removing of 125 mm dia sizes and supply and laying MS flanged pipe 125 mm dia bore, 5 mm thick heavy grade including fittings, nuts & bolts laid in trenches through walls/floor/inside UG sump including dewatering of sump, welding and connecting with existing complete all as specified and directed.

M&L and T&P for scraping/removing of complete old paint from oil emmersed transformer / auto starter of capacity 50 HP and painting the same with two coat of synthetic enamelled paint over one coat of primer as existing color complete all as directed by Engineer in charge.

Taking out the existing unservicable NRV of 100mm from the outlet pipe line at CPS and S&F new non return valve of 100mm size complete all as specified and directed.

Taking out MS Pipe and Supply and laying of MS Pipe heavy duty ISI mark of dia 80mm duly welded & providing proper bend in shape complete all as specified and directed.

Taking out MS Pipe and Supply and laying of MS Pipe heavy duty ISI mark of dia 100mm duly welded & providing proper bend in shape complete all as specified and directed.

Takiing out cast iron pipe and supply and laying of 150mm dia including all accessories complete all as specified and directed.

S&F in repair and testing CI body butter fly valve half round type ISI Marked complete with handle including nuts bolts and rubber packing of size of 65 mm bore complete all as specified and directed.

S&F in repair and testing CI body butter fly valve half round type ISI Marked complete with handle including nuts bolts and rubber packing of size of 80 mm bore complete all as specified and directed.

S&F in repair and testing CI body butter fly valve half round type ISI Marked complete with handle including nuts bolts and rubber packing of size of 100 mm bore complete all as specified and directed.

Suplying, laying , jointing & testing 150mm bore of ductile iron (DI) pipes with spigot and socketed ends, class K-7, centrifugaly cast conforming to IS-8329 specifications, with cement mortar lining, in any length, laid in trenches complete with and including necessary rubber gasket joints complete all as specified and directed. (Excavation & earth work shall be measured and paid for seperately under appropriate item of this schedule) .

M&L for dismantling & lifting of submersible sewage pump set of 10 HP motor & pump from sewage well including draining out sewage water by providing additional portable moveable diesel engine/ submersible including transporting to civil workshop for repairing, dismantling of pump & mortor re-assembling after complete repairing and carrying back to sewage installation, again dewatering the pump with same pumping process lowering, installing & connecting with existing system and testing on load complete all as specified and directed by Engineer-in-charge.

M&L for rewinding of submersible sewage pump motor set of capacity 10 HP, three phase 415 volts, 50Hz AC with super enameled copper winding wire of existing size and gauge including insulating material, heating drying, replacement of ball bearing, assembling and testing complete all as specified and directed by Engineer-in-charge.

M&L for dismantling of non clog submersible sewage pump of 10 HP capacity (make kirloskar) and complete repairing including replacement of CI impeller, bearings and mechanical seal of suitable size complete all as specified and directed.

M&L for dismantling of submersible sewage pup of 7.5 HP capacity (make- Kirkloskar) and complete repairing including replacement of CI impeller, bearing, mechanical seal, re-assembling and testing complete all as specified and directed by Engineer in charge.

M&L for rewinding of submersible sewage pump motor of capacity 7.5 HP, three phase 415 volts, 50Hz AC with super enameled copper winding wire of suitable size and gauge including insulating material, heating drying , replacement of ball bearing, re-assembling and testing complete all as specified and directed by Engineer in charge.

M&L for dismantling of submersible sewage pump of 5 HP capacity and complete repairing including replacement of CI impeller, bearing, re-assembling and testing complete all as specified and directed by Engineer in Charge.

S&F in replacement of oil seal suitable for submersible sewage pump motor of capacity 7.5HP, three phase 415 volts, 50Hz AC motor complete all as specified and directed by Engineer in Charge.

M&L for rewinding of submersible sewage pump motor of capacity 5.0 HP, three phase 415 volts, 50Hz AC with super enameled copper winding wire of suitable size and gauge including insulating material, heating drying, assembling and testing complete all as specified and directed by Engineer in Charge

M&L for dismantling of unsv. non clog submersible sewage pump of 5.0 HP capacity (Make - Kirloskar) and complete repairing including replacement of impeller, bearing, mechnical seal, re-assembling and testing complete all as specified and directed by Engineer in Charge.

S&F in replacement of oil seal suitable for submersible sewage pump motor of capacity 5.0 HP, three phase 415 volts, 50Hz AC motor complete all as specified and directed by Engineer in Charge.

Dismantling of air blower with 10 KW/15 KW electric motor from STP (Lohara Marg),STP 1 CSR transporting to civil workshop for repairing, dismantling of blower & motor re-assembling after complete repairing and carrying back to STP installation & connecting with existing system and testing on load complete all as specified and directed by Engineer-in-Charge. (Note: Rewinding if required shall be measured and paid separately)

M&L for rewinding of air blower motor of capacity 10 KW, three phase 415 volts, 50Hz AC with super enameled copper winding wire of suitable size and gauge including insulating material, heating drying, re-assembling and testing complete all as specified and directed by Engineer in Charge.

M&L for repairing of air blower of capacity 10 KW, including replacement of ball bearing both DE & NDE sides, lubricating oil, re-assembling and testing on load complete all as specified and directed by Engineer in Charge.

M&L for rewinding of air blower motor of capacity 15 KW, three phase 415 volts, 50Hz AC with super enameled copper winding wire of suitbale size and gauge including insulating material, heating drying, re-assembling and testing complete all as specified and directed by Engineer in Charge.

M&L for repairing of air blower of capacity 15 KW, including replacement of ball bearing both DE & NDE sides, lubricating oil, re-assembling and testing on load complete all as specified and directed by Engineer in Charge.

Dismantling of treated water mono block pump with 5.0 HP, three phase 415 volts, 50Hz AC electric motor from STP (Lohara Marg/ 1CSR KLP), transporting to civil workshop for repairing, dismantling of blower & motor re-assembling after complete repairing and carrying back to STP installation & connecting with existing system and testing on load complete all as specified and directed by Engineer-in-Charge. (Note: Rewinding if required shall be measured and paid separately)

Draining out complete sewage water from main receiving sump, cleaning out the bottom surface of sump including disconecting and taking out of sewage submersible pump 3 Nos complete with suction pipe complete all as specified and directed.

Supply & laying 150mm bore cast iron pipes with spigot and socketed end centrifugally cast class LA, in any length laid in trenches including taking out old unservicable CI pipe, burning out joints and recovering lead complete all as specified and directed.

Supply & laying 100mm bore cast iron pipes with spigot and socketed end centrifugally cast class LA, in any length laid in trenches including taking out old unservicable CI pipe, burning out joints and recovering lead complete all as specified and directed.

S&F 10 HP, Non Clog Sewage Submersible pump ISI mark including flexible pipe and connecting arrangement to connect them to existing system Make:- Kirlosker,Jyoti, HET

S&F mono block pump 10 HP ISI mark 40 mtr head to feed treated chlorination water all as directed. Make:- Kirlosker,KSB,Jyoti

S&F in replacement CI fittings upto 150mm dia all socketed or socket and spigot such as bends, tapers, tee pieces, Y- junction for spigot and socketed pipe complete all as specified and directed by Engineer-in- Charge.

M&L for run lead joint 150mm dia CI pipe, using 50% old lead (retrieved while taking out old lead joint), spun yarn, complete all as specified and directed.

Excavation in trenches, not exc. 1.5 mtr wide and n.exc 1.5 Mtr deep for laying sewage pipe including forming bottom surface at required gradient & getting out in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc. 25 cm each layer in soft/loose soil complete all as specified and directed.

Removing excavated material n.exc 50 mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point in soft/loose soil complete all as specified and directed.

S&F in replacement of cable submersible flat with copper conductor of size 10 Sqmm 3 core complete all as specified and directed.

S&F in replacement of cable submersible flat with copper conductor of size 6 Sqmm 3 core complete all as specified and directed.

S&F Chlorination doser pump complete with mixing tank for calcium hypochloride 65 to 70 % including connecting pipe all as directed.

S&F repair/replacement of star-delta starter for 10.0 HP capacity mono block pump set including all necessary arrangement and testing complete all as specified and directed.

S&F repair/replacement of star-delta starter for 10.0 HP capacity Submersible Non clog pump set including all necessary arrangement and testing complete all as specified and directed.

RAJ CONSTRUCTIONS