REPAIRS / MAINTENANCE OF EXTERNAL WATER SUPPLY LINES, PIPE LINES AT SEWAGE INSTALLATION, VALVES AND VARIOUS PUMP SETS , STARTERS AND ITS ALLIED WORKS AT MAIN CAMP AND 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 300mm 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 200mm dia

All as per item No 4 above but CI/GI pipe of 150mm dia

All as per item No 4 above but CI/ GI pipe of 100mm dia

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.14 but of size 40mm dia complete all as specified and directed.

All as per item No.14 but of size 25mm dia complete all as specified and directed.

All as per item No.14 but of size 20mm dia complete all as specified and directed.

All as per item No.14 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 19 above but GI pipe of 80mm dia

All as per item No 19 above but GI pipe of 50mm dia

All as per item No 19 above but GI pipe of 40mm dia

All as per item No 19 above but GI pipe of 25mm dia

All as per item No 19 above but GI pipe of 20mm dia

All as per item No 19 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 26 above but GI pipe of 80mm dia

All as per item No 26 above but GI pipe of 50mm dia

All as per item No 26 above but GI pipe of 40mm dia

All as per item No 26 above but GI pipe of 25mm dia

All as per item No 26 above but GI pipe of 20mm dia

All as per item No 26 above but GI pipe of 15mm dia

Supply and laying in trenches Ductile Iron spigot and socket pipes as per IS:8329/2000 Class K7 including EPDM rubber gasket suitable for and including push on rubber gasket joint with inside cement mortar lining and outside Zinc bitumen coating of size 300mm dia bore complete all as specified and directed.

All as per item No.33 but 200mm dia

All as per item No.33 but 150mm dia

All as per item No.33 but 100mm dia

All as per item No.33 but 80mm dia

M & L cast iron fittings ISI marked such as bends (any type, radius any angle) tapers any type (straight or bend), increasing, decreasing or double socket etc) Tee pieces single branch, double branch, cross(all sockets and socket and spigot) collars, caps and plugs tail piece confirming to IS 1538/1993 complete all as specified and directed.

M & L run lead joint including all necessory jointing materials like lead spunyarn etc (old recovered lead from leaking joints shall not be re used) for the CI pipe size 300mm dia complete all as specified and directed

All as per item No.39 but for size 200mm dia

All as per item No.39 but for size 150mm dia

All as per item No.39 but for size 100mm dia

All as per item No.39 but for size 80mm 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 44 above but 40mm dia

All as per item No 44 above but 25mm dia

All as per item No 44 above but 20mm dia

All as per item No 44 above but 15mm dia

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

All as per Sl.item No. 49 above but for 100mm dia

All as per Sl.item No. 49 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 300mm 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.

All as per Sl.item No. 53 above but for 150mm dia

All as per Sl.item No. 53 above but for 100mm dia

All as per Sl.item No. 53 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 58 above but 80mm dia GI pipes

All as per item No 58 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 6 mm dia for maintenance of valve etc

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 ( a) Gland coller complete with nut & bolts

(b) Impeller

( c) Pump Shaft

(d)Shaft sleeve

(e) Bearing

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 20/25 HP capacity centrifugal pump set ( a) Gland coller complete with nut & bolts

(b) Impeller

( c) Pump Shaft

(d)Shaft sleeve

(e) Bearing

Repairing centrifugal split type/monoblock pump set by replacing of the relevant spares taken and including packing, refixing and testing of motor of capacity 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 15 HP capacity centrifugal split type/monoblock pump set (a) Impeller

(b) Pump Shaft

(c ) Shaft sleeve

(d) Bearing

(e) Gland coller complete with nut & bolts

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 (a) Impeller

(b) Pump Shaft

(c ) Shaft sleeve

(d) Bearing

(e) Gland coller complete with nut & bolts

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

Impeller

Rubber flap

Pump Shaft

Ball bearing

Gland coller complete with nut & bolts

Rubber packing

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 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

Pump Shaft

Bearing

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

Pump Shaft

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 with bowl

Pump Shaft

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

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

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 15HP,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 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. ( upper & lower)

M-seal lower and upper

Temperature Sensor

Moisture sensor

Rotor Shaft

O ring

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.( Top , bottom & RR)

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.

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.172 above but 100 Amp.

Supply and fix in repairs MCB TPN, capacity 40/63 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 for Fabrication,install,commissioning and testing of LT cubical motor starter panel board of size not lessthan 1.8 (H)x1.2(L)x0.45(B) mtr, three phase 4-wire systems,Indoor type, dust and vermin proof, made out of CRCA sheet 3.0 mm thickness, powder coated, double door,with locking arrangements,mounted on ISMC 75 on PCC plate form including control wiring complete , necessary PCC 1:3:6 staging for panel etc including taking down existing unserviceable panel complete all as directed to suitable to accommodate the following:- (a) MCCB 63 Amps, 10 KA, 4 pole, 415 volts with thermal based release - 01No (incoming) (b) MCB 32 Amps,TPN pole,415 volts - 02 Nos.(for starters) ( c) MCB 16 Amps,TPN pole,415 volts - 02 Nos.(for starters) (d) Multi functional digital meter for voltage, ampere, frequency etc,3 phase,4 wire system with CTs - 01 Set. (d) Indicating lamps LED type R,Y,B and main ON,over load trip etc.-06 Nos. (e) Copper bus bar of capacity 200 Amps size 40 x 3 mm -04 Nos. (f) Star delta starter for centrifugal mono block pumpset (7.5 hp) upto 32Amps rating.-02 Nos. (g) DOL starter suitable for Mono block, 3 phase AC motor upto 2HP,3Phase,415 volt -02 Nos. (g) Single phase preventor -04 Each. (h) Over load relay -04 Each. (j) Timer set -04 Each. (k) Push button and rear connections for ON/OFF -04 Each.

M &L for 10 sqmm single run wiring for circuit /sub main wiring along with one earth wire with10 sqmm of HRFR, PVC insulated unsheathed ,industrial grade copper conductor ,single core ,flexible cables,1100 volts conforming to IS-694 drawn in existing cable ducts /racke/pipes in surface /recessed as required for connections from panel to pump motors including taking down /dismantling of existing unserviceable /burnt copper conductor all as specified and as directed .

M &L for 6 sqmm single run wiring for circuit /sub main wiring along with one earth wire with 6 sqmm of HRFR, PVC insulated unsheathed ,industrial grade copper conductor ,single core ,flexible cables,1100 volts conforming to IS-694 drawn in existing cable ducts /racke/pipes in surface /recessed as required for connections from panel to pump motors including taking down /dismantling of existing unserviceable /burnt copper conductor all as specified and as directed .

M &L for 4 sqmm single run wiring for circuit /sub main wiring along with one earth wire with 4 sqmm of HRFR, PVC insulated unsheathed ,industrial grade copper conductor ,single core ,flexible cables,1100 volts conforming to IS-694 drawn in existing cable ducts /racke/pipes in surface /recessed as required for connections from panel to pump motors including taking down /dismantling of existing unserviceable /burnt copper conductor all as specified and as directed .

S&F galvanised iron strip of size 32x6mm as in earth continuity conductor or main earth lead fixed to wall on batten or recess or burried in ground or drawn in conduit/pipe or fixed to poles or any other indicted situation for loop eathing etc. as specified and as directed.

M&L for earthing for pole complete with galvanized steel earth plate electrode 600X600X6mm thick buried directly in ground (earth pit not less than 2.25m deep below normal ground level) with top edge of the plate not less than 1.5M below normal ground level connected to GI earth lead of 32x6 mm GI strip by means of nuts, bolts, check nuts and washer of GI protection pipe 40mm light grade and connecting to testing point including provision of test point and all as shown in electrical plate No. 5 of SSR Pt I (2009). The quoted rate shall be inclusive of necessary earth work and PCC chamber with cement concrete 1:3:6 type C1 complete all as specified and directed (Note:- (a) GI strip beyond 7.5M shall be measured and paid separately (b) The rate shall deemed to be inclusive of the cost of earth work, excavation on any type soil and removal of surplus soil to a distance of 50 Mtrs, RCC 1:2:4 type B1 earth pit cover including 6 Nos of 6 mm dia CTD bar on both direction, earth lead protection GI pipe medium grade with suitable size from earth plate electrode to main switch board complete.

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 7.5 HP capacity

For 5 HP capacity

Preparing surface of panel board at pump sets of following capacity and painting with two coats of synthetic enamel paint and marking on sticker letters for all panel equipments all as specified and directed.

MES complex Pump house

C Tank Pump House

1 Lakh Pump House

28 class room Pump House

Golden Jublee Pump House

Camp area Shallow wells

Camp sewage Pump House

M/S CLIMATE CONTROLS

SJM CONSTRUCTIONS