SPECIAL REPAIRS TO STP AT AIRFORCE STATION UTARLAI

Amount

M & L for rewinding of 3 phase electric non clog submersible motor of capacity 10 HP capacity with super enameled copper conductor of same guage weight and turns to achieve its full efficiency including tying the windings and connecting the coils and bringing the connections as that of exisitng complete including replacement of worn out/unserviceable bearings and water seal etc, re-conditioning of shaft by metal filling, grinding, finishing all as specified and directed by the Eng-in-Charge. Note: (i) The rate of transportation of pump motor from site to workshop and back is deemed to be included in the rate quoted by contactor. (ii) The rent of T&P for handling the pump motor assembly during dismantling, refixing, commissioning and testing is deemed to be included in the rate quoted by contatcor. (iii) The rate for disinfecting/chemical wash of the pump before opening the motor for repairing at workshop is deemed to be included in the rate quoted by contractor.

M&L for Top up FAB (Fluidized aerated bed reactor) 20mm x 16mm media of Aeration 1 & Aeration 2 all as directed by Engr-in-Charge. Make: Thermax or equivalent recommended by OEM.

M&L as in replacement of Dosing system for Bio culture with dosing pump of capacity 0-20 Ltr/Hr, tank & agitator FRP type for mixing suspended particles in aeration tank and including replacement of damaged minor parts including necessary connection, commissioning and testing all as directed by Engr-in-Charge. Make: Thermax or equivalent recommended by OEM

M&L as in replacement of air flow meter of capacity 72 to 225 Cubic Mtr/Hr for compressor all as directed by Engr-in-Charge. Make: Thermax or equivalent recommended by OEM

M&L as in replacement of sewage flow meter of capacity 50 to 200 Cubic Mtr/Hr at inlet of STP all as directed by Engr-in-Charge. Make: Thermax or equivalent recommended by OEM

Repair to Three phase electric centrifugal type motor 7.5 KW/10 HP installed in STP with the following works :- (a) Transportation of burnt motor to civil electric work shop. (b) Dismantling of motor, cutting and taking out burnt stator winding from motor cleaning the stator and rewinding with super enamelled copper wire of original gauge / size including tapping varnishing, drying, painting, assembling, to fixing of base plate,nut bolt complete and carrying to STP reinstalling including necessary connection, commissioning and testing for 6 housrs on full load (Major spare parts will be measured and paid separately under respective items) Note: (i) The rate of transportation of pump motor from site to workshop and back is deemed to be included in the rate quoted by contactor. (ii) The rent of T&P for handling the pump motor assembly during dismantling, refixing, commissioning and testing is deemed to be included in the rate quoted by contatcor. (iii) The rate for disinfecting/chemical wash of the pump before opening the motor for repairing at workshop is deemed to be included in the rate quoted by contractor. (iv) Cost of minor spare parts deemed to have been included in quoted rates.

Supply and replacing of worn out U/S Pump shaft for pumping set incl machining threading making key slot etc of centrifugal 7.5 KW/10 HP pumping set.

Supply and replacing of worn out U/S CI impeller of centrifugal 7.5 KW/10 HP pumping set.

Supply and replacing of worn out U/S Gland bush of centrifugal 7.5 KW/10 HP pumping set.

Supply and replacing of worn out U/S Guide spider complete with bush of centrifugal 7.5 KW/10 HP pumping set.

Supply and replacing of worn out U/S Base Plate with bush including nut bolts of centrifugal 7.5 KW/10 HP pumping set.

Supply and replacing of worn out U/S Ball bearing of centrifugal 7.5 KW/10 HP pumping set.

M & L as in replacement of Granular Activated Carbon IV 300 all as directed by Engr-in-Charge

M & L as in replacement of Granular Activated Carbon IV 400 all as directed by Engr-in-Charge

M & L as in replacement of Granular Activated Carbon IV 450 all as directed by Engr-in-Charge

M & L as in replacement of Granular Activated Carbon IV 500 all as directed by Engr-in-Charge

M & L as in replacement of Granular Activated Carbon IV 550 all as directed by Engr-in-Charge

M & L as in replacement of Granular Activated Carbon IV 600 all as directed by Engr-in-Charge

M & L as in replacement of Silex Acid washed Industrial grade 2-3 mm all as directed by Engr-in-Charge

M & L as in replacement of Pebbles Acid washed Industrial grade crushed gravels 6-2 mm all as directed by Engr-in-Charge

M & L as in replacement of Stones Acid washed Industrial grade 40-25 mm all as directed by Engr-in-Charge

M & L as in replacement of Gravels Acid washed Industrial grade pebbles 20-12 mm all as directed by Engr-in-Charge

M & L as in replacement of Sand Acid washed Industrial grade fine sand all as directed by Engr-in-Charge

M & L as in replacement of Sand Acid washed Industrial grade filtering sand all as directed by Engr-in-Charge

S & F in replacement of MS pipe 130 mm dia for Treated water line incl arrangement complete all as directed.

S & F in replacement of MS pipe 200 mm dia for Treated water line incl arrangement complete all as directed.

S & F in replacement of MS pipe 90 mm dia for Treated water line incl arrangement complete all as directed.

S & F in replacement of MS pipe 80 mm dia for Treated water line incl arrangement complete all as directed.

Dismantling and taking out defective unserviceable butterfly valve and replacement with new butterfly valve 90 mm bore incl. jointing with MS nuts, bolts packing, minor adjustment complete all as specified and directed

Dismantling and taking out defective unserviceable butterfly valve and replacement with new butterfly valve 200 mm bore incl. jointing with MS nuts, bolts packing, minor adjustment complete all as specified and directed

Dismantling and taking out defective unserviceable butterfly valve and replacement with new butterfly valve 130 mm bore incl. jointing with MS nuts, bolts packing, minor adjustment complete all as specified and directed

Supply and replacement of DMF Internals for water distribution including 8 Nos of laterals 20 micron made of stainless steel 316 all as specified and directed by Engineer-in-Charge. Make: Thermax or equivalent recommended by OEM

Supply and replacement of ACF Internals for water distributionincluding 8 Nos of laterals 20 micron made of stainless steel 316 all as specified and directed by Engineer-in-Charge. Make: Thermax or equivalent recommended by OEM. Note : The job should be carried out in order the outlet water parameter should meet the values of BOD < 30, COD 250, O&G (Oil & Grease) - < 10 PPM, TSS < 10, PH - 7 to 8. A test report for outlet water shall be obtained by the contractor from any Govt laboratory or laboratory recognised by State or Central Govt. The cost for test report shall be deemed to be included in the rate quoted by contractor.

M & L for strainers 15 micron made of stainless steel 316 for collection of purified water from DMF all as directed by Engr-in-Charge. Make: Thermax or equivalent recommended by OEM

M & L for strainers 15 micron made of stainless steel 316 for collection of purified water from ACF all as directed by Engr-in-Charge. Make: Thermax or equivalent recommended by OEM

Supply and replacement of pressure gauge range -0-40 Kg/cm² complete all as directed.

S&F in replacement suction filter acoustic type suitable for air blower of capacity 450 Cum/Hr all as directed by Engr-in-Charge. Make :Thermax or equivalent as per ISI Marked

Repair to single phase electric centrifugal type motor 3 HP installed in STP with the following works :- (a) Transportation of burnt motor to civil electric work shop. (b) Dismantling of motor, cutting and taking out burnt stator winding from motor cleaning the stator and rewinding with super enamelled copper wire of original gauge / size including tapping varnishing, drying, painting, assembling, to fixing of base plate,nut bolt complete and carrying to STP reinstalling including necessary connection, commissioning and testing for 6 housrs on full load (Major spare parts will be measured and paid separately under respective items) Note :- Cost of minor spare parts deemed to have been included in coated rates

Supply and replacing of worn out U/S Pump shaft for pumping set incl machining threading making key slot etc of centrifugal 3 HP pumping set.

Supply and replacing of worn out U/S CI impeller of centrifugal 3 HP pumping set.

Supply and replacing of worn out U/S Gland bush of centrifugal 3 HP pumping set.

Supply and replacing of worn out U/S Guide spider complete with bush of centrifugal 3 HP pumping set.

Supply and replacing of worn out U/S Base Plate with bush including nutbolts of centrifugal 3 HP pumping set.

Supply and replacing of worn out U/S Ball bearing of centrifugal 3 HP pumping set.

S&F in complete (inlet to outlet) replacement of interconnecting piping for Cascade aeration dosing piping, air piping made of MS pipe of dia 90mm/ 80mm/65mm/50mm including control valves, flanges, bends, tee, reducer as per existing deisgn or design recommended by OEM suitable for sewage treatment plant including dismantling the old connection all as specified and directed by Engr-in-Charge. Make : Thermax or equivalent recommended by OEM Note: - The layout design diagram of cascade aeration system recommended by OEM should be submitted to Engr-in-Charge/GE for prior approval before commencement of work.

S&F of complete internal mechanism of Cascade aeration by replacing nozzle, spray, necessary piping work from inlet to outlet including civil works as per existing design all as directed by Engr-in-Charge. Make : Thermax or equivalent recommended by OEM

Taking out the accumulated sludge from filter beds mixed with sand, small stones soil etc up to a depth of 80 cm removing from site all as specified and directed (Total Size filter bed35MtrX14Mtr).

Supply and laying graded crushed stone aggregates of size 10 mm to 15 mm, in layers of 20cm thickness on filter beds for Sludge drying complete all as specified and directed.

Supply and laying fine filter sand over filter bed in 10cm thick layer complele all as specified and directed.

Supply and laying graded crushed stone aggregate of size 15 cm to 20cm in layers of 20 cm thickness on filter bed for Sludge drying comlete all as specified and directed

Supply, Installation, testing & Commissioning of complete digital level switch which includes sensor at top and bottom of the dosing tank for auto-cut operation upto 0.1 M all as directed by Engr-in-Charge. Make : Thermax or equivalent recommended by OEM

V S BUILDER

Chandel Construction Company