REPAIR OF WATER SUPPLY INSTALLATION OF DI CI GI PIPE LINES VALVES SUBMERSIBLE PUMPS UG SUMP CONNECTED WORKS AT AIR FORCE STN CHANDINAGAR

Amount

Excavation in trenches in soft/loose soil not exceeding 1.5 Mtr wide and not exceeding 1.5 Mtr depth for laying of cables/poles or foundation etc and getting out complete all as specified and directed by Engineer-in-Charge.

Returning, filling, including spreading levelling and well ramming in layers not exceeding 25cm apart complete all as specified and directed by Engineer-in-Charge.

Removing of surplus excavated soil to a distance not exceeding 50 Mtr from starting point and depositing where directed at a level not exceeding 1.5 Mtr above the starting point complete all as specified and directed by Engineer-in-Charge.

Supply and lay steel water tubing GI medium grade ISI marked with all fittings laid in trenches or fixed to wall etc complete for the following sizes complete all as specified and directed by Engineer-in-Charge. (a) 20 mm dia bore

All as per item No 4 but 25mm dia bore complete all as specified and directed by Engineer-in-Charge.

All as per item No 4 but 40mm dia bore complete all as specified and directed by Engineer-in-Charge.

All as per item No 4 but 50mm dia bore complete all as specified and directed by Engineer-in-Charge.

Supply and fix connected Gun metal gate valve ISI marked with iron wheel head screwed both ends for iron pipes and fixed for the following sizes including taking down of unserviceable gate valves complete all as specified and directed by Engineer-in-Charge. (a) 20 mm dia bore

All as per item No 8 but 25mm dia bore complete all as specified and directed by Engineer-in-Charge.

All as per item No 8 but 50mm dia bore complete all as specified and directed by Engineer-in-Charge.

Taking out/burning out of leaking and damaged lead joints of the existing CI mains from the position including removing the old lead carefully with out damaging to the pipe complete for the following bore of pipes (Note :- Excavation and earth work will be measured and paid separately ) all as specified and directed by Engineer-In-Charge. (a) 80 mm bore

All as per item No 11 but 100 mm bore complete all as specified and directed by Engineer-in-Charge.

All as per item No 11 but 150 mm bore complete all as specified and directed by Engineer-in-Charge.

Taking out of unserviceable CI pipes (including all fittings) with spigot and socket ends and lead joints including burning out joints and removing to store complete all as specified for the following sizes complete all as specified and directed by Engineer-in-Charge. (Note :- Excavation and earth work and lead joints will be measured and paid separately) (a) 80 mm dia

All as per item No 14 but 100 mm dia complete all as specified and directed by Engineer-in-Charge.

All as per item No 14 but 150 mm dia complete all as specified and directed by Engineer-in-Charge.

Material and labour for Laying and testing of CI pipes with spiogt and socket ends centrifugally cast class LA suitable for lead joints laid in trenches including necessary cut to length to match the existing fitting/pipes complete all as specified and as directed by the Engineer-in-charge for the following sizes (Note :- Excavation and earth work shall be measured and paid seperately under the relevent Sch "A" item) all as specified and directed by Engineer-In-Charge. (a) 8 but 80 mm dia

All as per item No 17 but 100 mm dia complete all as specified and directed by Engineer-in-Charge.

All as per item No 17 but 150 mm dia complete all as specified and directed by Engineer-in-Charge.

Cutting the CI pipes and reducing the required length before laying for inserting of new CI specials such as Tees/Reducers/Tail pieces/collers/sluice valve/Air release valve etc complete for the following complete all as specified and directed by Engineer-in-Charge. (Note :- CI specials and earth work will be measured and paid seperately) (a) 80 mm dia

All as per item No 20 but100 mm dia complete all as specified and directed by Engineer-in-Charge.

All as per item No 20 but 150 mm dia complete all as specified and directed by Engineer-in-Charge.

Material and labour for run lead joints including jointing materials such as spun yarn etc complete for the following sizes all as specified and directed by Engineer-In-Charge. (a) 80 mm bore

All as per item No 23 but 100 mm dia complete all as specified and directed by Engineer-in-Charge.

All as per item No 23 but 150 mm dia complete all as specified and directed by Engineer-in-Charge.

Material and labour for CI specials such as bends, tees, collars, tail pieces flanges etc complete suitable for CI mains of sizes upto 150mm complete all as specified and directed by Engr in Charge.

M & L for valve chamber cover made out of mild steel plain sheet 3.15mm thick as in cover for existing valve chamber along with provision of angle iron frame of size 40 x 40 x 6mm cut to length, bent to shape, welding and fabricate to requiredd shape/ size incl necessary fixing materials like hinges, nut/ bolts etc with two coats of black paint, one under coat of red oxide incl taking out the old unsv valve chamber cover complete all as specified and directed by Engineer-in-Charge.

Material and labour for repair to valve chamber of any size withn brick masonary valve chamber, PCC foundation, plastering and necessary excavation and earth work in hard/ dense soil, MS sheet cover 3.15 mm thickness along with angle iron frame of size 40 x 40 x 6mm with locking arrangement with necessary fixing matrials like hinges, nut/bolts etc (valve chamber cover shall be opened in two halves) and painting to MS cover with one coat of red oxide and two coats of synthetic enamel paint etc complete all as specified and directed by Engineer-in-Charge.

Supply and Fixing sluice valve 150 mm (6”) dia Class PN 1.6 complete all as per specified and directed by Engr – in – charge. Make : Kartar / Kirloskar or equivalent ISI Marked as approved by GE complete all as specified and directed by Engineer-in-Charge.

Supply and Fixing sluice valve 100 mm (4”) dia Class PN 1.6 complete all as per specified and directed by Engr – in – charge. Make : Kartar / Kirloskar or equivalent ISI Marked as approved by GE complete all as specified and directed by Engineer-in-Charge.

Supply and Fixing sluice valve 80 mm (3”) dia Class PN 1.6 complete all as per specified and directed by Engr – in – charge. Make : Kartar / Kirloskar or equivalent ISI Marked as approved by GE complete all as specified and directed by Engineer-in-Charge.

Supply only calcium based Granular for Chlorination of water packed in 45 Kg drums and sealed complete all as specified and directed by Engineer-in-Charge. Make as approved by E -in- C

Material and labour for draining out sedimentation sludgy water from RCC OH reservoir 50000 Glns capacity -02 nos at 60' feet staging and Semi UG Sump incl scrapping out sticken forieign material from inner side of OH and Semi UG sump walls/Ceiling by wire brush and removing excavated sedimentatation manually and depositing 50 mtr away from OH tank and flushing out the floor with fresh water till satisfaction of Engineer in Charge providing two coats of white wash on old prepared surface cleaning of after completely draining out water from the tank.Writing of cleaning date on the tank quaterly complete all as specified and directed by Engineer-in-Charge.

Material and labour for "lifting and Lowering of any acpacity" Submersible Pump Set of any capacity for repair/ Overhauling /rewinding /devolpment incl increasing the length of delivery pipe/or any other requiremwnt at site at tube well installation at AF Station chandinagar with man power/Chain Pulley arrangement including shifting to local workshop for repair and to bring back after repair at site including testing and commisioning complete all as specified and directed by Engineer-in-Charge.

M & L for Dismantling and strip opening of burnt submersible pump of capacity 30 HP including cuttting removing burnt winding wire from stator assembly and preparing slots , rewinding the same with super enamled water proof copper winding wire of suitable gauge with necessary insulation materials varnising etc and reassembling stator rotor assembly with pump testing, commmisioning such as (i) Impeller GM . (ii) Distance bush SS.(iii) Guide Bush (iv) Neck ring gun metal (v) Impeller key (vi)Guide van (vii) Sand Guard complete all as specified and directed by Engineer-in-Charge.

M & L for replacement of Submersible cable flat PVC insulated Sheathed copper Conductor 10sqmm 3 Core 2run complete aall as specified and directed by Engineer in Charge

S&F cosmic ASD submersible Pump starter accessories suitable for 30hp (22.4Kw),contactor of 50 Amps & relay of 30-40 amps complete all as specified and directed by Engineer-in-Charge. a) Start push button green- 01 Nos.

All as per item No 37 above but Stop push button red- 01 Nos complete all as specified and directed by Engineer-in-Charge.

All as per item No 37 above but Motor On indicating light green- 01 Nos complete all as specified and directed by Engineer-in-Charge. .

All as per item No 37 above but Motor trip indicating light yellow - 01 Nos complete all as specified and directed by Engineer-in-Charge.

All as per item No 37 above but Single phase protection device (SPP) - 2 Nos complete all as specified and directed by Engineer-in-Charge.

All as per item No 37 above but Combined Voltmeter & Ammeter- 2 Nos complete all as specified and directed by Engineer-in-Charge.

All as per item No 37 above but Terminal block 6way- 2 Nos complete all as specified and directed by Engineer-in-Charge.

All as per item No 37 above but Terminal block 3way- 2 Nos complete all as specified and directed by Engineer-in-Charge.

All as per item No 37 above but Timmer- 01 Nos complete all as specified and directed by Engineer-in-Charge.

All as per item No 37 above but Front block 1NO & 1NC- 01 Nos complete all as specified and directed by Engineer-in-Charge.

M&L for replacement of unservicable CI non return valve type IS 5312 flanged ends 100 mm dia complete all as specified and directed by Engineer-in-Charge. Make Kartar/kirloskar/BIR/upadhaya

M&L for replacement of unservicable CI non return valve type IS 5312 flanged ends 150 mm dia complete all as specified and directed by Engineer-in-Charge. Make Kartar/kirloskar/BIR

M&L for chemical and bacteriological analysis of Raw water collected from all the pump house situated in AF stn chandinagar complete all as specified and directed by Engineer-in-charge.

M&L for chemical and bacteriological analysis ofchlorinated water collected from distribution line PH NO 1 situated in AF stn chandinagar complete all as specified and directed by Engineer-in-charge.

M & L for Dismantling and strip opening of burnt submersible pump of capacity upto 15 HP including cutting removing burnt winding wire from stator assembly and preparing slots , rewinding the same with super enameled water proof copper winding wire of suitable gauge with necessary insulation materials varnishing etc and reassembling stator rotor assembly with pump testing, commmisioningsuch as Bearing Bush gun metal -04 nos (ii) Rotor Sleeve stainless steel -01 nos (iii) Water seal 02 Nos (iv) housing CI -02 nos(v) Thrust bearing block -02 nos (vi) Thrust Plate- 02 nos parts complete all as specified and directed by Engineer-in-Charge.

M & L for Dismantling and strip opening of burnt Booster pump motor of capacity upto 15 HP including cuttting removing burnt winding wire from stator assembly and preparing slots , rewinding the same with super enamled water proof copper winding wire of suitable gauge with necessary insulation materials varnising etc and reassembling stator rotor assembly with pump testing, commmisioning complete all as specified and directed by Engineer-in-Charge.

Supply and fixing of in replacement of cosmic star delta motor starter 15 HP 3 phase 415 volts Make:- L & T /Havells Cat Part No IHPASDNC for pumps complete all as specified and directed by Engineer-in-Charge.

Supply and Fixing sluice valve 200 mm (8”) dia Class PN 1.6 complete all as per specified and directed by Engr – in – charge. Make : Kartar / Kirloskar or equivalent ISI Marked as approved by GE complete all as specified and directed by Engineer-in-Charge.

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