REPAIRS / MAINTENANCE OF EXTERNAL WATER SUPPLY LINES, PIPE LINES OF SEWAGE INSTALLATION, VALVES AND VARIOUS PUMP SETS AT OMQ AREA, GOLDEN JUBILEE AREA, TECHNICAL AREA AT AF STATION TAMBARAM

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth and getting out in soft/loose soil all as specified and as directed .

Returning, filling in using excavated soil including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick all as specified and as directed.

Removing the excavated surplus soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point all as specified and directed.

Taking up or down old CI/GI Pipe from trenches of 100mm dia including fittings and branch connections if any for cleaning and refixing or removal to stores for further disposal complete all as specified and directed.

All as per item No 4 above but CI/GI pipe of 80mm dia

All as per item No 4 above but GI pipe of 50mm dia

All as per item No 4 above but GI pipe of 40mm dia

All as per item No 4 above but GI pipe of 25mm dia

All as per item No 4 above but GI pipe of 20mm dia

All as per item No 4 above but GI pipe of 15mm dia

M & L for Re-fixing old serviceable steel tubing and connections in new or old position of size 50mm dia (walls, ceiling, floors, etc) complete all as specified and directed.

All as per item No.11 but of size 40mm dia complete all as specified and directed.

All as per item No.11 but of size 25mm dia complete all as specified and directed.

All as per item No.11 but of size 20mm dia complete all as specified and directed.

All as per item No.11 but of size 15mm dia complete all as specified and directed.

Supply and laying of GI Medium gde pipe 100mm dia including necessary fittings such as bends, elbows, union etc in trenches complete all as specified and as directed.

All as per item No 16 above but GI pipe of 80mm dia

All as per item No 16 above but CI/GI pipe of 50mm dia

All as per item No 16 above but GI pipe of 40mm dia

All as per item No 16 above but GI pipe of 25mm dia

All as per item No 16 above but GI pipe of 20mm dia

All as per item No 16 above but GI pipe of 15mm dia

Supply and laying of GI Medium gde pipe 100mm dia including necessary fittings such as bends, elbows, union etc in Walls/ floor/ sump/wells complete all as specified and as directed.

All as per item No 23 above but GI pipe of 80mm dia

All as per item No 23 above but GI pipe of 50mm dia

All as per item No 23 above but GI pipe of 40mm dia

All as per item No 23 above but GI pipe of 25mm dia

All as per item No 23 above but GI pipe of 20mm dia

All as per item No 23 above but GI pipe of 15mm dia

Supply and fix in repairs Gun metal globe or gate valves, with iron wheel head, screwed both ends for iron pipe of size 50mm dia complete all as specified and directed.

All as per item No 30 above but 40mm dia

All as per item No 30 above but 25mm dia

All as per item No 30 above but 20mm dia

All as per item No 30 above but 15mm dia

Supply and fix in repairs PTMT Bib taps of size 15mm dia ,standard of any colour, screwed, for iron pipe and fixed (minimium weight 90 gms) complete all as specified and as directed.

Supply and fix in repairs ball valve high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball minimum weight 1240 gms screwed for iron pipe of 50mm dia complete all as specified.

Supply and fix in repairs ball valve high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball minimum weight 690 gms screwed for iron pipe of 40mm dia complete all as specified.

Supply and fix in repairs ball valve high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball minimum weight 455 gms screwed for iron pipe of 25mm dia complete all as specified.

Supply and fix in repairs ball valve high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball minimum weight 210 gms screwed for iron pipe of 20mm dia complete all as specified.

Supply and fix in repairs ball valve high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball minimum weight 142 gms screwed for iron pipe of 15mm dia complete all as specified.

Supply and fix in repairs CI Non Return valve conforming to IS-5312 Part - I ,PN 1.6 , flanged end joints with brass seating including jointing materials such as 3mm rubber gasket 01 No, 10mm dia nut & bolts and washers complete all as directed for 150mm dia .Make :- Kirloskar/Upadhaya/ Kartar/ Leader

All as per Sl.item No. 41 above but for 100mm dia

All as per Sl.item No. 41 above but for 80mm dia

Supply and fix Gun metal Non Return sluice Valve ISI marked suitable for screwing in GI pipes of 50mm dia and fixed all as specified and as directed.

Supply and fix in repairs CI sluice valve for 200mm bore pipes confirming to IS -14846 PN-1.0 non raising type both ends flanged with stainless steel spindle including jointing materials such as nuts, bolts washers and 3mm rubber gasket 02 Nos complete all as specified and directed. Make :- Kirloskar/Leader/Kartar

All as per Sl.item No. 45 above but for 150mm dia

All as per Sl.item No. 45 above but for 100mm dia

All as per Sl.item No. 45 above but for 80mm dia

Cutting of existing road/ floor/ plinth/drain of any description of width and depth not exeeding 0.45 metre for taking out /laying of CI/DI/GI pipe line including necessary earth work excavation and making good the distrubed surface with PCC 1:3:6 type C1 using 20mm graded stone aggregate complete all as specified.

Supply and fix in repair galvanised iron valve flanges 8mm thick with suitable size drilled holes and suitable for screwing in GI pipe of size 100mm bore dia including 3mm thick rubber washer complete all as specified.

All as per item No 50 above but 80mm dia GI pipes

All as per item No 50 above but 50mm dia GI pipes

Supply and fix in repair galvanised iron bolt,nut and washers of any dia and length as required at site all as specified and as directed.

Plain cement concrete 1:3:6 type C1 using 20mm graded stone aggregate as in foundation for valve chamber etc all as specified and as directed.

Brick work with sub class "B" bricks using old size bricks straight or curved on plan exc 6m mean radius,built in cement mortor 1:6 as in valve chamber complete all as specified and as directed.

Rendring 10mm thick on fair faces of bricks(inside of valve chamber) in cement mortor 1:4 finished the surface even and smooth without using extra cement,complete all as specified and as directed.

Mild steel chamber cover made with mild steel sheet of 3.0mm thick for shutter angle iron frame including necessory welding and fixing arrangement and applying two coats of synthetic enamel paint over a coat of metal primer etc complete including taking down old MS sheet cover all as specified and as directed..

M&L required for attending water supply complaints of any type , finding of fault/ defect and repairing the same including required jointing materials and making water supply functional complete all as specified and directed by Engineer-in-Charge. Note :- Quoted rate shall be inclusive for following provisions: (i) Contractor shall deploy one plumber and one helper for collect the complaints from MES complaint cell as and when intimated by Engineer-in-Charge (ii) Tools,minor spares such as washer,nuts, white lead etc as required for rectifying complaints (iii) Contractor shall submit the details of rectification /non retification of complaints to Engineer-in-Charge after attending complaint.

Surface dressing not exceeding 15 cm deep and getting out in hard /dense soil around shallow well / pump houses inside the fencing and outside 3 meters wide around the edges of fencing all as specified and directed.

S&F in repair 12mm dia nylon rope or suitable size to match with existing at the for hanging pumpsets/motors in well/sumps etc., complete all as specified and directed.

Supply only grafted cotton rope of size 8 mm dia for maintenance of valve etc

Supply only grafted cotton rope of size 10 mm dia

Supply only grafted cotton rope of size 12 mm dia

REPAIR AND MAINTENANCE OF PUMP SETS

Repairing centrifugal pump set by replacing of the relevant spares taken and including packing, refixing and testing of motor of capacity 40 HP complete etc., all as specified and as directed (Make:- Kirloskar ).Note: Spare parts/ accessories like shaft, bush, bearings, gland etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares suitable for 40 HP capacity centrifugal pump set

Shaft

Bearing

Gland/ Water seal

Repairing centrifugal pump set by replacing of the relevant spares taken and including packing, refixing and testing of motor of capacity 20/25 HP complete etc., all as specified and as directed (Make:- Kirloskar ).Note: Spare parts/ accessories like shaft, bush, bearings, gland etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares suitable for 25/20 HP capacity centrifugal pump set

Shaft

Bearing

Gland/ Water seal

Repairing centrifugal split type/monoblock pump set by replacing of the relevant spares taken and including packing, refixing and testing of motor of capacity 12.5/15 HP complete etc., all as specified and as directed.(Make:- Kirloskar ) Note: Spare parts/ accessories like shaft, bush, bearings, gland etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares suitable for 12.5/15 HP capacity centrifugal split type/monoblock pump set

Shaft

Bearing

Gland/ Water seal

Repairing centrifugal split type/monoblock pump set by replacing of the relevant spares taken and including packing, refixing and testing of motor of capacity 10 HP complete etc., all as specified and as directed.(Make:- Kirloskar ) .Note: Spare parts/ accessories like shaft, bush, bearings, gland etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares suitable for 10 HP capacity centrifugal split type/monoblock pump set

Shaft

Bearing

Gland/ Water seal

Repairing centrifugal pump set by replacing of the relevant spares taken and including packing, refixing and testing of motor of capacity 7.5/5 HP complete etc., all as specified and directed (Make:- Kirloskar ) Note: Spare parts/ accessories like shaft, bush, bearings, gland etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares suitable for 7.5/5 HP capacity monoblock pump set

Shaft

Bearing

Repairing centrifugal momoblock pump set by replacing of the relevant spares taken and including packing, refixing and testing of motor of capacity 3/2 HP complete etc., all as specified and directed (Make:- Kirloskar ) .Note: Spare parts/ accessories like shaft, bush, bearings, gland etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares suitable for 3/2 HP capacity monoblock pump set

Shaft

Bearing

Repairing centrifugal non clog sewage pump set by replacing of the relevant spares taken including packing, refixing and testing of motor of capacity 12.5 HP complete etc., all as specified and directed.Note: Spare parts/ accessories like shaft, rubber flap, bearings, gland packing, rubber packing and sleeve etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares of 12.5 HP capacity centrifugal non clog sewage pump set

Shaft

Rubber flap

Ball bearing

Gland packing

Rubber packing

Sleeve

Taking out the submersible pump set/ monoblock submersible pump sets from its position and carrying out repairs after proper cleaning of impellers & shafts, including packing, refixing in position and testing of motor of capacity 2/3 HP complete etc., all as specified and directed.(Make:- Kirloskar ) .Note: Spare parts/ accessories like impeller, shaft, bush and sleeve etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares of 2/3 HP capacity submersible pump set/ monoblock submersible pump set

Impeller

Shaft

Sleeve

Taking out the submersible pump set/ monoblock submersible pump sets from its position and carrying out repairs after proper cleaning of impellers & shafts, including packing, refixing in position and testing of motor of capacity 5 HP/7.5 HP complete etc., all as specified and directed.(Make:- Kirloskar ) Note: Spare parts/ accessories like impeller, shaft, bush and sleeve etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares of 5 HP/ 7.5HP capacity submersible pump set/ monoblock submersible pump set

Impeller

Shaft

Sleeve

Taking out the submersible pump set/ monoblock submersible pump sets from its position and carrying out repairs after proper cleaning of impellers & shafts, including packing, refixing in position and testing of motor of capacity 10 HP complete etc., all as specified and directed.(Make:- Kirloskar ) . Note: Spare parts/ accessories like impeller, shaft, bush and sleeve etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares suitable for 10 HP capacity submersible pump set/ monoblock submersible pump sets

Impeller

Shaft

Sleeve

M&L for stripping out squirrel cage, induction motor, 3 phase 415 volts AC 50 centrifugal/submersible starter and rotor cleaning up internally and externally including removing old burnt copper wire, worn out bearing and rewiring/ rewinding with new copper wire, including necessary transportation workshop and bring back to the installation and assembling, testing and commissioning of motor complete etc., all as specified and directed for the following capacity:-

For 40 HP capacity

For 20/25 HP capacity

For 15 HP capacity

For 12.5 HP capacity

For 10 HP capacity

For 7.5 HP capacity

For 5 HP capacity

For 3/2 HP capacity

Taking up defective submersible pump set/ Monoblock submersible pump sets 3 phase,AC,415 volts, 50 c/s from shallow well and disconnecting cable, GI delivery pipe etc,taking out/transport to work shop, dismantling and rewinding submersible pump motor with appropriate size of copper wire , reassembling,erecting back in position, cable jointing, testing and commissioning of motor complete all as specified and directed for the following capacity:-

For 2/3 HP capacity

For 5 HP capacity

For 7.5 HP capacity

For 10 HP capacity

S&F CI impeller for centrifugal/ monoblock pump set coupled with motor of capacity upto 12.5 HP all as specified and as directed.

S&F CI impeller for centrifugal/ monoblock pump set coupled with motor of capacity 15 HP to 40 HP all as specified and as directed.

Supply and replacement of ball bearings including applying lubricating and testing complete for following:-

S&F contactor for Star Delta starter 440 volts, 50 Hz, 16 Amps to 20 Amps suitable for 7.5/10 HP capacity, 3 phase, AC, induction motor all as specified and as directed.

S&F contactor for Star Delta starter 440 volts, 50 Hz, 25 Amps to 40 Amps suitable for 12.5/15 HP capacity, 3 phase, AC, induction motor all as specified and as directed.

S&F contactor for Star Delta starter 440 volts, 50 Hz, 50 amps to 80 Amps suitable for 25/ 40 HP capacity, 3 phase, AC, induction motor all as specified and directed.

Taking out defective flat PVC insulated, submersible cable,3 core, 4 Sqmm multistrand copper cable from submersible pump set including supply and providing new cable of same size, jointing with jointing materials, testing and commissioning etc., complete all as specified.

S&F in repair single phase preventer all as specified and as directed.

Supply and fix electronic overload relay suitable for 5 to 10HP submersible pump all as specified and as directed.

S&F electronic overload relay suitable for 12.5 to 40 HP capacity submersible pump all as specified and directed.

S&F No volt coil, 440 volt ,suitable starters up 7.5 to10 HP capacity all as specified and as directed.

S&F No volt coil suitable for DOL starter up to 5 HP capacity, 440 volts all as specified and as directed.

Supply and fix automatic star delta starter suitable for pump set, 3 phase AC motor capacity 7.5 to 25HP,built in overload relay,single phase preventor,AC3,4pole cotactor,415 volt in heavy duty deep drawn sheet metal box all as specified and as directed.

Supply and fix DOL starter suitable for submersible pump 3 phase AC motor upto 7.5HP,3Phase,415 volt all as specified and as directed.

Taking up unserviceable centrifugal non clog submerciable sewage pump set 12.5 HP from sewage sump by bail out the water, disconnectin ,declamping , transport to authorised work shop taken to civil workshop and re-installation in the sump,testing complete including replacement of Gasket,cable end cap,Seal,Painting and service chargescomplete all as directed.(Make:- KSB ) .Note: Spare parts/ accessories like Winding charges, bearings,Seal, Sensor, Shaft etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares of centrifugal non clog submerciable sewage pump set 12.5HP capacity :-

Winding with new copper wire of appropriate size including removing old burnt copper wire

Bearing 02 No.

M-seal lower and upper

Temperature Sensor

Moisture sensor

Rotor Shaft

Replacement of Insulating Oil as per Manufacturer reccommende grade

Taking up unserviceable centrifugal non clog submerciable sewage pump set 25HP from sewage sump by bail out the water, disconnectin ,declamping, transport to authorised work shop taken to civil workshop and re-installation in the sump,testing complete including replacement of Gasket,cable end cap,Seal,Painting and service charges complete all as directed.(Make:- KSB ) .Note: Spare parts/ accessories like Winding charges, bearings, Seal,Sensor,Shaft etc., shall be measured and paid separately under relevant items of this schedule.

Supply only the following spares of centrifugal non clog submerciable sewage pump set 25HP capacity:-

Winding with new copper wire of appropriate size including removing old burnt copper wire

Bearing 02 Nos.

M-seal lower and upper

Temperature Sensor

Moisture sensor

Rotor Shaft

Replacement of Insulating Oil as per Manufacturer reccommende grade

Taking down the old coupling of pump sets and replacing with new F-70 type coupling with MS pulley 2 No's complete set including necessary machinery work including assembling and testing for satisfactory function all as specified and as directed.

Taking down the old coupling of pump sets and replacing with new F-70 type rubber coupling and testing for satisfactory function all as specified and as directed.

S&F CI impeller for centrifugal non clog sewage pump set coupled with motor of capacity 12.5 HP of make Kirloskar model SP 4L+ all as specified and directed

S&F rubber flap with weight suitable for non clog sewage 12.5 HP pump set make Kirloskar model SP 4L+ all as specified and directed.

Supply only grafted cotton rope of size 8 mm dia

Supply only grafted cotton rope of size 10 mm dia

Supply only grafted cotton rope of size 12 mm dia

Supply and fix MCCB TPN 63Amp,25 KA, 415 volt,fixed in repair on existing panel board including dismantling existing unserviceable MCCB complete all as specied and directed.

All asper item No.182 above but 100 Amp.

Supply and fix in repairs MCB TPN, capacity 63 Amps, 10 KA suitable for LT panel board including dismantling existing unserviceable MCB/ MCCB complete all as specied and as directed.

Taking down the defective voltmeter from position including S&F new voltmeter of size 96 x 96mm, 0-500 V, AC, 50 c/s all as specified and directed.

Taking down the defective Ammeter from position including S&F new ammeter CT operated of size 96 x 96 mm, 0-100 V, AC, 50 c/s all as specified and directed.

Taking down the defective current transformer from position including S&F new current transformer of ratio 100 / 5 Amps, VA burden - 15, 415 volts all as specified and directed.

Taking down the defective current transformer from position including S&F new current transformer of ratio 60 / 5 Amps, VA burden - 15, 415 volts all as specified and directed.

S&F Indication lamp Red/ Yellow/ Blue with base including dismantling of unserviceable old items complete all as specified and as directed.

M&L required for attending pump set /motor complaints of any type , finding of fault/ defect and repairing the same including required repairing materials and making pump sets/motor functional complete all as specified and directed by Engineer-in-Charge. Note :- Quoted rate shall be inclusive for following provisions: (i) Contractor shall deploy one MotorMechanic and one helper for collect the complaints from MES complaint cell as and when intimated by Engineer-in-Charge (ii) Tools,minor spares such as washer,nuts,white lead etc as required for rectifying complaints (iii) Contractor shall submit the details of rectification /non retification of complaints to Engineer-in-Charge after attending complaint.

S&F in repair 14 mm dia nylon rope or suitable size to match with existing for hanging /lifting submersible pump sets etc. all as specified and directed.

Supply and replace foot valve conforming to IS-4038 having flanged joints suitable size of 100 mm dia including jointing materials such as 3mm rubber gasket 01 No, 10mm dia nut & bolts and washers,GI reducer,socket etc complete all as specified and as directed.

All as per item No. 194 but of size 80mm dia

Removing pump set from channel base carefully and dismantling rusted mild steel base of pump set of existing size including concrete bedding , Supply, fabricate and erection pump set base bed made of ISMC of 100mmx50mm size including removing of old channel including plain cement concrete 1:2:4 type B1 foundation, refixing the pump set on the channel, carry out alignment work properly and testing the pump set for satisfactory function all as directed.(Note: PCC shall be measured and paid separately)

Preparing surface of 3 phase ,415 volts,50 c/s pump sets of following capacity and painting with two coats of synthetic enamel paint all as specified and directed.

For 40 HP capacity

For 25 HP capacity

For 15 HP capacity

For 12.5 HP capacity

For 10 HP capacity

For 7.5 HP capacity

For 5 HP capacity

M/s Bakiyalakshmi Enterprises

Sri Sankar Enterprises

Global Safety Engineering and Management Solutions

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