REPAIR AND MAINTENANCE OF EXTERNAL WATER SUPPLY DISTRIBUTION SYSTEM AT CAW, CAW OFFICERS MESS AND AIR FORCE OFFICERS RESIDENTIAL ACCN UNDER GE(AF) HAKIMPET

Amount

Dismantling the delivery pipe line of submersible pump set from water mains, lifting / taking out of GI column Pipes of 40 / 50 / 65 mm dia submersible cable / defective submersible pump set from bore well for servicing / repairs and lowering of repaired submersible pump set with GI column pipe 40/50mm dia submersible cable etc. complete in the bore well at various sites. The job is inclusive of M&L for disconnecting and jointing of submersible cable, disconnecting and reconnecting the delivery pipe line of submersible pump sets to water mains, testing for satisfactory running & continuous flow of water, complete all as specified & directed .

Repairs & Servicing of defective submersible pump of capacity upto 7.5 HP by dismantling the pump & replacinig unserviceable parts, assemble the pump properly, testing for satisfactory functioning complete all as specified and directed. Notes: (i) The rate are inclusive of trasporting the pump from bore well site to repair work shop & back to site. (ii) The rates are inclusive of turning / finishing work for fixing of parts properly. (iii) The replacement of unserviceable parts will be measured and paid separately under relevant Items. (iv) The rates are inclusive of testing of pump at borewell installation for satisfactory functioning / running.

Supplying of following unserviceable parts of submersible pump of capacity 2HP to 5HP capacity of the same make as existing:-

CI stage Casing

G M Bush

SS Sleeve

Brass impeller

MS key for Impeller

SS studs with Nuts 10mm

CI intermediate Section

SS coupling bush common for Pump & Motor with key

High Tensile steel shaft

Strainer

Supplying of following unserviceable parts of submersible pump of capacity above 5HP upto 7.5 HP capacity of the same make as existing:-

CI stage Casing

G M Bush

SS Sleeve

Brass impeller

MS key for Impeller

SS studs with Nuts 10mm

CI intermediate Section

SS coupling bush common for Pump & Motor with key

High Tensile steel shaft

Strainer

Repairs & Servicing of defective submersible motor of capacity upto 7.5 HP by dismantling the motor & Replacing unserviceable parts, assemble the motor properly, testing for satisfactory functioning complete all as specified and directed. Notes: (i) The rate are inclusive of transporting the motor to repair work shop & back to site. (ii) The rates are inclusive of turning / finishing work for fixing of parts properly. (iii) The replacement of unserviceable parts will be measured and paid separately under relevant item. (iv) Rewinding of motor & servicing of Rotor if required will be measured & paid separately under relevant items. (v) The rates are inclusive of testing of motor at borewell installation for satisfactory functioning / running.

Replacement of the following unserviceable parts of submersible motor of capacity 2HP to 5 HP capacity of the same make as existing:-

Bearing bush Gunmetal

Bearing Bush SS with Rubber

Oil seal

Thrust plate / thrust bearing set.

Sand Guard

CI thrust Casing

SS studs with nuts 8 mm

Replacement of the following unserviceable parts of submersible motor of capacity above 5HP and upto 7.5 HP capacity of the same make as existing:-

Bearing bush Gunmetal

Bearing Bush SS with Rubber

Oil seal

Thrust plate / thrust bearing set.

Sand Guard

CI thrust Casing

SS studs with nuts 8 mm

Rewinding of Submersible motor by taking out burnt copper winding from stator, cleaning the casing & slots with wire brush & washing with water under pressure and dried, rewinding the motor using same gauge of insulated copper wire as existing, making the winding leak proof by applying varnish, drying etc., taking out the electrical terminals using suitable size of submersible flat cable upto 2.0 m, installing at its original position for 2HP to 3.5 HP motor, complete all as specified & directed .

Rewinding of Submersible motor by taking out burnt copper winding from stator, cleaning the casing & slots with wire brush & washing with water under pressure and dried, rewinding the motor using same gauge of insulated copper wire as existing, making the winding leak proof by applying varnish, drying etc., taking out the electrical terminals using suitable size of submersible flat cable upto 2.0m, installing at its original position for 4HP to 7.5 HP motor, complete all as specified & directed .

Servicing of rotor of submersible motor inclusive of Turning / Polishing of rotor shaft of submersible motor of capacity upto 7.5 HP complete all as specified & directed .

Repairs to GI column pipe 40/ 50 mm by cutting the worn out portion of threads & re-threading at each end of pipe complete all as specified & directed .

Replacement of unserviceable GI socket heavy duty 40 / 50 mm dia. Suitable for GI column pipe complete all as specified & directed .

Replacement of unserveceable Non Return Valve, Gun metal, 40 mm dia complete all as specified & directed . Make: Kirloskar/BIR/JOLOTO/TIGER.

Replacement of unserveceable Non Return Valve, Gun metal, 50 mm dia complete all as specified & directed . Make: Kirloskar/BIR/JOLOTO/TIGER.

S&F GI column pipe, heavy grade, 40 mm dia, with ISI mark, with heavy duty GI Socket at one end and other fittings as required for complete fixing all as specified & directed . Make:TATA/JINDAL

S&F GI column pipe, heavy grade, 50 mm dia, with ISI mark, with heavy duty GI Socket at one end and other fittings as required for complete fixing all as specified & directed . Make:TATA/JINDAL

Supply & fix, in repairs, Flat Cable PVC insulated & sheathed, multi-stranded copper conductor, water proof suitable for submersible pumpset, 3 core 4 Sqmm complete all as specified & directed . Make: Finolex/RR KABEL/HPL/Indo-Asian.

Supply & fix, in repairs, Flat Cable PVC insulated & sheathed, multi-stranded copper conductor, water proof suitable for submersible pumpset, 3 core, 6 Sq mm complete all as specified & directed . Make: Finolex/RR KABEL/HPL/Indo-Asian.

De-silting of accumulated soil from Borewell 150 MM dia & depth up to 100 Meter by using air compressor / special equipments for atleast 12 Hrs, complete all as specified & directed. Note: The rate shall be inclusive of hiring of Air compressor / special equipment, fuel required, tools & Accessories including transportation & skilled men power to execute the work.

M&L for Rewinding of electrical motor by taking out burnt copper winding from stator, cleaning the casing & slots with wire brush & washing with water under pressure, cleaning with CTC, dried and rewinding the motor using same gauge of insulated copper wire as existing & making the winding leak proof by applying warnish, drying etc. and re-connecting at its original position of capacity of motor upto 20 HP including testing of motor after installation for satisfactory functioning/running, complete all as specified and directed .

S&F CI NRV with by pass arrangement of size 50/65 mm dia flanged type, including replacement of gasket, nut, bolts, washer etc. and taking down existing unserviceable NRV, complete all as specified & directed . Make: Kirloskar/BIR/SIR.

S&F CI NRV with by pass arrangement of size 80mm dia flanged type, including replacement of gasket, nut, bolts, washers etc. and taking down existing unserviceable NRV, complete all as specified & directed . Make: Kirloskar/BIR/SIR.

S&F CI NRV with by pass arrangement of size 100mm dia flanged type, including replacement of gasket, nut, bolts, washers etc. and taking down existing unsrviceable NRV, complete all as specified & directed . Make: Kirloskar/BIR/SIR.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m deep and getting out in the following type of soil for laying pipes, complete all as specified and directed.

Soft / loose soil

Hard / dense soil

Returning, filling in soils, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick, complete all as specified and directed.

Removal of excavated material to a distance not exceeding 50 m away from starting point and depositing where directed at a level not exceeding 1.5 m above starting point, complete all as specified and directed.

Material and labour for cutting road/hard standing not exceeding 0.60 m wide and not exceeding 0.25 m deep for laying and taking out water pipe line including making good the disturbed portion as per existing earlier, complete all as specified and directed.

Taking up or down steel tubing and connections, including cleaning for re-fixing complete all as specified and as directed for the following sizes:-

15 mm dia GI tubing

20 mm dia GI tubing

25 mm dia GI tubing

40 mm dia GI tubing

50 mm dia GI tubing

80 mm dia GI tubing

Refixing old steel tubing and connections in new or old position (walls, ceiling. Floor, trenches etc.) including cleaning or rerunning the old screw thread as required and providing required connecting materials complete all as specified and directed for the following sizes:-

15 mm dia GI tubing

20 mm dia GI tubing

25 mm dia GI tubing

40 mm dia GI tubing

50 mm dia GI tubing

80 mm dia GI tubing

Supply and laying GI tubing medium grade ISI marked with all fittings, laid in trenches complete all as specified and as directed for the following sizes :- Make:TATA / JINDAL / PRAKASH.

15 mm dia GI tubing

20 mm dia GI tubing

25 mm dia GI tubing

40 mm dia GI tubing

50 mm dia GI tubing

80 mm dia GI tubing

Supply and laying GI tubing medium grade ISI marked with all fittings fixed complete to walls and ceiling or laid in floors incl. making good of disturbed surfaces complete all as specified and directed for the following sizes :- Make:TATA / JINDAL / PRAKASH.

15 mm dia GI tubing

20 mm dia GI tubing

25 mm dia GI tubing

M&L for 3-layer PP-R polypropylene random copolymer concealed pipes of size 32 mm dia SDR 7.4 (PN-1.6) UV stablized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings laid in trenches, complete all as specified and directed .

M&L for 3-layer PP-R polypropylene random copolymer concealed pipes of size 50 mm dia SDR 7.4 (PN-1.6) UV stablized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and directed .

M&L for 3-layer PP-R polypropylene random copolymer concealed pipes of size 63 mm dia SDR 7.4 (PN-1.6) UV stablized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and directed .

M&L for 3-layer PP-R polypropylene random copolymer concealed pipes of size 25 mm dia SDR 7.4 (PN-1.6) UV stablized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc, complete all as specified and directed .

Note for Item No- 32 to 35 : Make: Reliance Industries/ Prince/ Savoir- Faire Manufaturing Co. Pvt Ltd

M&L for PP-R gate valves (brass insert) of size 25 mm outer dia including taking down existing gate valve of any description, complete all as specified and directed .

M&L for PP-R gate valves (brass insert) of size 32 mm outer dia including taking down existing gate valve of any description, complete all as specified and directed .

M&L for PP-R gate valves (brass insert) of size 50 mm outer dia including taking down existing gate valve of any description, complete all as specified and directed .

M&L for PP-R gate valves (brass insert) of size 63 mm outer dia including taking down existing gate valve of any description, complete all as specified and directed .

Note for Item ser No- 36 to 39: Make: Reliance Industries/ Prince/ Savoir- Faire Manufaturing Co. Pvt Ltd

Supply and fix in repairs PVC float valve, working on high pressure, heavy duty with polythene float and iron rod with fly nuts complete screwed for GI pipe all as specified and as directed for the following sizes including taking down old unserviceable float valve :- Make: Prayag / Shakthi / Dripless fancel (India)/Kirti.

15 mm dia bore pipe

20 mm dia bore pipe

25 mm dia bore pipe

Supply & fix in repairs Gun metal globe/gate valve ISI marked high pressure with iron wheel head screwed both ends for iron pipe line and fixed properly of following sizes including taking out unserviceable gun metal gate valve:- Make: Zoloto / Leader / Tiger / Cresent.

15 mm dia bore

20 mm dia bore

25 mm dia bore

40 mm dia bore

50 mm dia bore

M&L for attending day to day compliants for CI pipe line leakages on any size upto 200 mm dia including excavation etc as and when required to rectify the leakage portion by deputing min one plumber and one helper using T&P with CI fittings like as lead, Spun yarn etc, complete all as specified and directed(lead as be measured and paid separately).

Draining out the valve chamber, taking out sluice valve, transporting to the workshop, refacing, regrinding to make it leak proof, bringing back, refixing including providing rubber insertion sheet, gland packing of suitable sizes, replacing of nuts, bolts and washers etc. to make the sluice valve leak proof and free operational all as specified and directed for the following sizes :-

80 mm dia bore

100 mm dia bore

150 mm dia bore

200 mm dia bore

Supply and fix CI sluice valve confirming to IS-14846 with iron wheel head, rating PN 1.6, Steel spindle, bolts and nuts, rubber or fiber board gaskets, including taking out old unserviceable CI Sluice valve from existing position by opening the nuts, bolts, jointing rings etc., complete all as specified and directed by for the following sizes:- Make: SIR / Kirloskar / BIR / Durga.

80 mm dia bore

100 mm dia bore

150 mm dia bore

200 mm dia bore

Material and labour for caulking in its position to the existing run lead joint complete to make it leak proof including providing required quantity of lead wool complete all as specified and directed for the following sizes:-

80 mm dia bore

100 mm dia bore

150 mm dia bore

200 mm dia bore.

Material and labour for run lead joints complete including jointing material such as spun yarn complete all as specified and as directed for the following sizes:-

80 mm dia bore pipe

100 mm dia bore pipe

150 mm dia bore pipe

200 mm dia bore pipe

Supply and fix CI foot valve, flanged type of size 100 mm dia bore, PN 0.2, Confirming to IS-4038, made of cast iron, heavy duty with bolts, nuts, rubber / leather washer complete including taking out the unserviceable foot valve from the existing position by opening the nuts, bolts, jointing rings etc., complete all as specified and directed.

All as per item No:48 here-in-before but of size 80mm dia.

All as per item No:48 here-in-before but of size 50mm dia.

Cutting of Cast Iron pipes in position for insertion of new Tees, branches, Tail pieces and sluice valve etc. complete all as specified and directed.

80 mm dia bore

100 mm dia bore

150 mm dia bore

200 mm dia bore

S&F Pressure gauge 100 mm dia 0-100 PSI with CP Brass Valve of 3/8" in dia including taking out existing unserviceable Pressure gauge, complete all as specified and directed. Make:Wika/Micro or equivalent as approved by GE.

S&F Pressure gauge 100 mm dia 0-60 PSI with CP Brass Valve of 3/8" dia including taking out existing unsv Pressure gauge complete all as specified and directed. Makes for item No. 52&53: Wika/Micro or equivalent as approved by GE.

M&L for Construction of valve chamber having inner dimension 1000 x 1000 x 1000 mm (suitable for 80mm to 200mm sluice valves & reflux valves) with PCC 1:4:8 type D2 for foundation, brick work wall in cement mortar (1:4), PCC 1:2:4 type B1 for coping, rendering plaster in CM 1:4, 15 mm thick including provision of MS Sheet top cover 3mm thick with welding of MS angle iron of size 25mm x 25mm x 4 mm at edges and in diagonal and angle iron base frame of 50 x 50 x 6 mm, painting with two coats of synthetic enamel paint over a coat of red oxide primer on iron surfaces, lime wash on internal and external cement surfaces and locking arrangements including demolition of the existing chamber, necessary excavation and earth work, complete all as specified and directed.

M&L for GI pipe medium grade 100 mm dia with all connected fittings complete such as bend, elbow, socket, flange etc for suction pipe including taking down existging corroded suction pipes complete all as specified and directed. Make:TATA/JINDAL/PRAKASH.

S&F in repairs for Bib taps PTMT of size 15 mm dia bore , screwed down to iron pipe or for brass ferrule and fixed including taking down existing bib tap of any description complete all as specified and directed. Make:Prayag/Polytuf of R.S. Ind. / Gokul Plast.

S&F in repairs, 15mm dia PTMT stop valve, screwed down, high pressure, with PVC handle, screwed both ends for iron pipe or for unions and fixed including taking down existing stop valve of any description complete all as specified and directed. Make: Prayag/Polytuf of R.S. Industries /Gokul Plast

All as per item No.57 here-in-before but of size 20mm.

Lifting RCC covers / slabs / PVC cover of RCC/ PVC over head water service tank and carefully taking out float valve, setting aside, removing all dirt and dust, cleaning internal portion of tanks including mouths of circulating inlet/outlet pipes and over flow pipes etc., with caustic soda solution / bleaching powder and completely removing the dirt, debris etc, , writing lettering (Such as tank capacity, cleaned on, Due on, month and year) with white paint over a black painted surface on external side of the tank with letters of 4 cm height, refixing the float valve by providing suitabale check nuts, washers etc., and placing of RCC / PVC covers back in position and ensuring over flow and leakage and repair if required and testing, complete all as specified and directed for the following capacity of tanks:- Notes:- (i) Outlet pipe of OHT should be plugged before cleaning the OHT to avoid entering scale and dust, the same shall be reconnected after cleaning the OHT and the quoted rate is deemed to include for this provision. (ii) Replacement of float valve will be measured and paid seperately in relevant item of schedule.

Exceeding 250 Ltrs and not exceeding 500 ltrs.

Exceeding 500 Ltrs and not exceeding 1000 ltrs.

Exceeding 1000 Ltrs and not exceeding 2000 ltrs.

M&L for Preparation of old plastered outer surfaces of walls of OH reservoir and applying one coat of cement based paint of tint as existing and preparing old steel surfaces of any description of exposed pipe lines of RCC over head reservoir and applying one coat of synthetic enamel paint of color as per color coding complete all as specified and directed for the following capacity of over head tanks :-

1,00,000 Glns capacity, with staging at a height of approx 16m.

50,000 Glns capacity, with staging at a height of approx 16m.

Cleaning internal portion of stone masonary / RCC over head reservoirs including removing fine sand/silt deposited inside the over head reservoirs with the help of wire brushes and removing fungus formation from inside the tank, cleaning with bleaching powder, removing the waste as directed and applying caustic soda solution and applying one coat of lime wash internally including writing letters with white paint over a black paint on external side and marking direction of flow of water for inlet/outlet pipes of DI/CI/GI including painting/ writing of letters of (a) date of cleaning (b) Next due date of cleaning (c) Capacity of tank etc, complete all as specified and directed for the following capacity:-

1,00,000 Glns capacity, with staging at a height of approx 16m.

50,000 Glns capacity, with staging at a height of approx 12m

10,000 Glns capacity, with staging at a height of approx 12m

5,000 Glns capacity, with staging at a height of approx 7m

Cleaning internal portion of stone masonary / RCC under ground / Semi under ground sump including removing fine sand/silt deposited inside sump with the help of wire brushes and removing fungus formation from inside the tank, cleaning with bleaching powder, removing the waste as directed and applying caustic soda solution and applying one coat of lime wash internally including writing letters with white paint over a black paint on external side and marking direction of flow of water for inlet/outlet pipes of DI/CI/GI including painting/ writing of letters of (a) date of cleaning (b) Next due date of cleaning (c) Capacity of tank etc. and cleaning vegetation upto 5m sorrounding the sump Complete all as specified and directed complete all as specified and directed for the following capacity:-

1,00,000 Glns capacity

50,000 Glns capacity

10,000 Glns capacity

5,000 Glns capacity

Chemical analysis of borewell and external source water for all parameters for ascertaining water fitness (Potability and bacterial) for human consumption through Government or NABL approved laborotory with necessary collector vessels/ cans, complete all as specified and directed.

Supply only lead as per sample

M/S P.SWAROOP KUMAR