REPAIRS AND MAINTENANCE OF EXTERNAL WATER SUPPLY SERVICES AND WATER SUPPLY INSTALLATIONS AND CONNECTED WORKS AT AFS HAKIMPET UNDER GE(AF) HAKIMPET

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m deep and getting out as in hard / dense soil for laying pipes complete all as specified.

Returning and filling in soils, including spreading, levelling, 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 the starting point, complete all as specified and directed.

M&L for cutting of road / hard standing not exceeding 1.5 m wide and not exceeding 1.5 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.

M&L for taking up unserviceable cast iron water mains including all fittings with spigots, sockets, socket end, lead joints and burning out lead joints including recovery of lead complete all as specified and directed for folowing sizes cast iron pipe:-

80 mm dia CI Pipe

100 mm dia CI Pipe

150 mm dia CI Pipe

200 mm dia CI Pipe

300 mm dia CI Pipe

M&L for taking up cast iron water mains (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead and relaying the same after cleaning the scales inside the pipe, complete all as specified and directed for the following sizes:-

80 mm dia Pipe

100 mm dia Pipe

150 mm dia Pipe

Supply and laying of DI pipe spigot and socket ends class 'K-9' suitable in replacement of CI Pipes for tyton joint or any length properly laid in trenches, complete all as specified and directed of following sizes:- Make - Srikalahasti/Electrosteel/Kesoram/TISCO Note:- Lead joint and Tyton joint will be measured and paid seperately under respective items of sch.

80 mm dia Pipe

100 mm dia Pipe

150 mm dia Pipe

200 mm dia Pipe

300 mm dia Pipe

Labour only for taking out sluice valve any make and size including re- facing, replacement of check nuts, spindles, re- grinding of shutter and re-fixing the same including providing rubber insertion sheet, gland packing rope, nuts, bolts and washers etc to make the sluice valve leak proof and free. operational all as specified and directed for the following sizes:- Notes : 1. Spindle and check nut will be measured and paid seperately. 2. Rate of rubber insertion sheet, nut, bolts, washers etc will deemed to be included in the item.

80 mm dia

100 mm dia

150 mm dia

200 mm dia

300 mm dia

Supply and fix in repair CI sluice valve flanged of class PN 1.6 conforming to IS - 780 complete with iron wheel head, stainless steel spindle and check nut, including jointing material such as rubber insertion nut bolts washers etc complete of following size:- Make - Kirloskar/Kartar/Leader

80 mm dia Pipe

100 mm dia Pipe

150 mm dia Pipe

200 mm dia Pipe

300 mm dia Pipe

M&L for fixing Sluice Valve spindle with check nut (High tension Brass) of PN 1.6 for the following sizes:-

80 mm dia

100 mm dia

150 mm dia

200 mm dia

300 mm dia

Taking down unserviceable NRV of any description and Supply and fix CI Non - Return Valves PN 1.6, ISI marked, heavy duty, flanged type complete all as specified and directed for the following sizes:- Make - Kirloskar/Kartar/Leader

50 mm dia Pipe

80 mm dia Pipe

100 mm dia Pipe

150 mm dia Pipe

Supply and fix in repair Air Release Valve PN 1.6 with double chamber conforming to IS - 14845 including all connecting items etc complete. of following size: Make - Durga/Venus/Leader/Kirloskar

80 mm dia

100 mm dia

150 mm dia

Taking down UNSV Foot Valve of any description and Supply and fix Foot valves ISI marked of cast iron with brass diaphragm heavy duty screwing type complete of the following sizes:- Make-Kirloskar/Kartar/Leader

50 mm dia Pipe

80 mm dia Pipe

100 mm dia Pipe

M&L for caulking to the existing run lead joint complete to make it leak proof including lead wool complete all as specified and directed for the following sizes:- Note : - Earth work and excavation will be measured and paid separately.

80 mm dia Pipe

100 mm dia Pipe

150 mm dia Pipe

200 mm dia Pipe

300 mm dia Pipe

M&L for run lead joints complete including jointing material such as spun yarn, pig lead all as specified for the CI pipe of following sizes, complete all as specified and directed.

80 mm dia

100 mm dia

150 mm dia

200 mm dia

300 mm dia

M&L for Rubber gasket Joint (Tyton Joint) suitable for DI/CI pipe of following sizes complete all as specified and directed.

80 mm dia Pipe

100 mm dia Pipe

150 mm dia Pipe

Supply and fix CI fitting for spigot socketed pipe such as bends (any type, radius and angle) tapers any type, (straight, bend increasing, decreasing or double socket etc ) tee pieces single branch, Y junction double branch, of size - up to 150 mm dia, complete all as specified and directed.

Cutting of DI/CI/GI mains in position for insertion of new tees, tail pieces, sluice valve etc including making threads for existing GI pipes/making the existing CI/DI Pipes leak proof for following sizes complete all as specified and directed. Note :-Earthwork and excavation will be measured and paid separately.

80 mm dia Pipe

100 mm dia Pipe

150 mm dia Pipe

200 mm dia Pipe

300 mm dia Pipe

M&L for GI pipe 50mm dia heavy class including all fittings for replacing the UNSV pipe in well, complete all as specified and directed for the following sizes:- Make - Jindal/Tata/ Zenith

M&L for taking up/down choked pipe and relaying the same pipe of 20 mm bore GI pipe and connections with new GI fittings, cleaning of pipe internally by water, wire brush etc and externally cleaning, complete all as specified and directed.

M&L for taking up/down choked pipe and relaying the same pipe of 25 mm bore GI pipe and connections with new GI fittings, cleaning of pipe internally by water, wire brush etc and externally cleaning, complete all as specified and directed.

M&L for taking up/down choked pipe and relaying the same pipe of 40 to 50 mm bore GI pipe and connections with new GI fittings, cleaning of pipe internally by water, wire brush etc and externally cleaning, complete all as specified and directed.

Note for 19 to 22 : - Earth work and excavation will be measured and paid separately.

Labour only for laying of steel tubing medium grade 80mm dia pipe in repair/replacement of old rusted unserviceable pipe and connections with new GI fittings complete all as specified and directed. Notes : 1. GI Tubing will be issued by the department under Schedule-B. 2. Earth work and excavation will be measured and paid separately.

Supply and Lay in repairs for Galvanized Iron water tubing "Medium Grade" with all fittings laid in trenches for following sizes Complete all as specified and directed. Make - Jindal/Tata/Zenith

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

100 mm dia GI tubing

Supply and fix in repair Gun metal globe or gate valve ISI marked high pressure with iron wheel head screwed both ends for iron pipe line and fixed of properly of following sizes:- Make - Zoloto/Kartar/Venus

15 mm dia Pipe

20 mm dia Pipe

25 mm dia Pipe

40 mm dia Pipe

50 mm dia Pipe

Repair of valve chamber including necessary PCC and plastering, fixing of hold fast hinged and angle frame with MS sheet cover 3mm thick of valve pit of size 750mm x750mm x 750mm, complete all as specified and directed.

Demolition of valve chamber of any description and size and removing demolished material to a distance exceeding 1.5 Km and not exceeding 5 km and depositing where directed.

M&L for construction of valve chamber of following internal sizes with 100 mm thick PCC (1:4:8) type D-2 for foundation, brick walls built in cement mortar (1:4 , PCC 1:2:4 type B1 for coping, rendering in cement mortar 1:4 15 mm thick both internally and externally upto 15 cm below GL including provision of MS sheet cover using angle iron 40 x40 x6 mm as a frame embedded in concrete and 3 mm thick MS sheet as in cover with necessary locking arrangements duly painted with two coats of synthetic enamel paint over a coat of red oxide primer including necessary earth work and excavation complete for the following sizes:-

600mm x 600mm x 600 mm

750mm x 750mm x 750mm

1050mm x 1050mm x 1050mm

M&L for Plain cement concrete in foundations, filling and mass concrete type D2 1:4:8 using 40 mm using graded crushed granite stone aggregate, complete all as specified and directed.

M&L for Plain cement concrete in copping type B1 1:2:4 using 20 mm using graded crushed granite stone aggregate, complete all as specified and directed.

M&L for rendering 10mm thick cement plaster (1:4) on fair faces of brick work or concrete surfaces finished even and smooth (with out using extra cement), complete all as specified and directed.

Disconnecting of delivery water pipe line of wells having various depths upto 120 mtr by removing electric connections carefully from the existing submersible pump sets taking out the defective pump set from the well alongwith GI column pipes size of 50mm dia, submersible cable, and strip opening the pump set for repairs, transporting to the civil workshop, replacement of worn out spares, re- fixing of serviceable spares assembling the pump set completely, testing of pump set lowering the pump set inside the well after repairs, including connecting back the water mains and electric connections commissioning of pumpset for satisfactory operation on its full load, complete all as specified and directed.

Note : a) The spares (supply only) required for repairing the pump sets and rewinding of motor will be measured and paid seperetely under respective item. b) Expendable stores like cotton waste/cleaning materials lubricants , gland packing metal filling , machining and transportation from site to work shop are deemed to be included in rate quoted.

M&L for rewinding the well submersible/Non clog Submersible motor with insulated copper conductor winding wire of same guage as existing 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 all as specified and as Directed by Engineer in charge.

Up to 3 HP Submersible Motor

5 HP Submersible Motor

7.5 HP Submersible Motor

12.5 HP Submersible Motor

Supply and fix the following spares for repairs to submersible pump and motor upto 5 HP capacity Make:- SKF/NBC/Tata

Gun metal Impeller

Stage casing

Stage casing sleeve

Middle stage casing

Middle bush

Middle sleeve

Discharge outlet

Discharge outlet bush LB

Suction bush

Pump shaft

Pump coupling

Motor Bearing Bush (LB) 4 Nos

Thrust Bearing

Upper & Lowering Housing

Motor Base

Oil Seal

NRV Body

Supply and fix the following spares for repairs to submersible motor of capacity above 5HP and upto12.5HP. Make:- SKF/NBC/Tata

Gun metal Impeller

Stage casing

Stage casing sleeve

Middle stage casing

Middle bush LB

Middle sleeve

Discharge outlet

Discharge outlet bush LB

Suction bush

Pump shaft

Pump coupling

Sand guard

Motor Bearing Bush (LB) 4 Nos

Thrust Bearing

Upper & Lowering Housing

Motor Base

Oil Seal

NRV Body

Disconnecting the suction and delivery pipe line and electric connections of centrifugal pump set of following capacity and removing it from its position carefully and transporting to the work shop and refixing the same in its original position after overhauling including replacement of bushes , machining pump shaft to suit in new bushes all as specified and as directed By Engineer in charge.. Notes : (i) The spares required for repairing the pump sets and rewinding of motor will be measured and paid seperetely under respective item. (ii) Expendable stores like cotton waste/cleaning materials lubricants , gland packing metal filling , machining and transportation from site to work shop are deemed to be included in rate quoted.

Centrifugal monoblock pump set up to 10 HP capacity

Centrifugal monoblock pump set above 10 HP and up to 30 HP capacity

M&L for rewinding of centrifugal motor with super enameled copper conductor of same guage weight and turns to achieve its full efficiency includuing replacement of bushes tying the windings and connecting the coils and bringing the connections as that of exisitng, complete all as specified and directed.

Centrifugal monoblock pump set upto 3 HP

Centrifugal monoblock pump set 5HP

Centrifugal monoblock pump set 7.5HP

Centrifugal monoblock pump set 10 HP

Centrifugal monoblock pump set 20 HP

Centrifugal monoblock pump set 30 HP

Supply and fix the following spares for centrifugal/ mono block pump set upto 5 HP capacity Make:- SKF/NBC/Tata

Ball bearing drive

Ball bearing non drive

Terminal

CI Impeller

Ball Bearing drive for pump

Ball bearing non drive for pump

G M Bush

Oil Seal

Gland Cover

MS pump shaft

Supply and fix the following spares for repairs to centifigal Motor above 5HP and upto10 HP capacity Make:- SKF/NBC/Tata

Ball bearing drive

Ball bearing non drive

Terminal

CI Impeller

Ball Bearing drive for pump

Ball bearing non drive for pump

G M Bush

Oil Seal

Gland Cover

MS pump shaft

Supply and fix the following spares for centrifugal/ mono block pump set above 10 HP upto 30 HP capacity. Make:- SKF/NBC/Tata

Ball bearing drive

Ball bearing non drive

Terminal

CI Impeller

Ball Bearing drive for pump

Ball bearing non drive for pump

G M Bush

Oil Seal

Gland Cover

MS pump shaft

Disconnecting the suction and delivery pipe line and electric connections of open well submersible pump set up to 10 HP and removing it from its position carefully and transporting to the work shop and refixing the same in its original position after overhauling including replacement of bushes , machining pump shaft to suit in new bushes, complete all as specified and directed. Notes: a) The spares required for repairing the pump sets and rewinding of motor will be measured and paid seperetely under respective item. b) Expendable stores like cotton waste/cleaning materials lubricants , gland packing metal filling , machining and transportation from site to work shop are deemed to be included in rate quoted.

M & L for rewinding for open well submersible pump with super enameled copper conductor winding wire 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 all as specified and as Directed By Engineer in charge.

Open well submersible pump set upto 5HP

Open well submersible pump set above 5HP and upto 10 HP

Supply and fixing the following spares for Open well submersible pump set upto 10 HP capacity of approved Make:- SKF/NBC/Tata

Motor Bearing bush LB

Rotor RE work

Thrust Bearing

Supply and lay submersible copper conductor cable flat, 1100 volts grade, 3 core, 2.5sqmm PVC sheathed with multistranded copper conductor of following size , cutting to required length with necessary end ferrules / water proof joints including taking down of unserviceable submersible cables. Complete all as specified and directed. Make- Finolex/Havells/Plaza

All as item No 44 but 4 sqmm submersible cable.

All as item No 44 but 6 sqmm submersible cable.

M&L for Flushing of existing wells of size 150mm dia, depth upto120 mtr with drilling compressor including surging and flushing the at a pressure of 7 kg/ sqcm complete with compressed air and flushing the sand, mud etc from the well all as directed.

Taking out at Sewage Treatment Plant by lifting of non clog sewage submersible pump incl. electric motor 5 to 7.5 HP ,3 phase ,415 Volts by ,disconnecting all electrical & machanical connection, Dismantling the motor .Cutting the burnt winding and cleaning the slots with non greasy materials and rewinding with PVC insulated copper wire (Gauge of copper is to match the existing size) with insulating material, varnishing drying complete. Reassembling the motor, all as directed ,lowering , installing and making all electrical & macahincal connection, testing complete to entire satisfaction of Engineer-in-charge.

Taking out at Sewage Treatment Plant / dismantling non clog sewage pump unit 5 - 7.5 HP capacity and overhauling, oiling & greasing including replacement of warn out nut bolt & washer, grinding & pollishing if required complete all as directed. Note: Spares impellar, bush, & oil seal will be measured and paid sepertatelly

Supply only spares for repair to pumps of following capacity

Non cloging heavy duty impellar for 5 HP

Non cloging heavy duty impellar for 7.5 HP

Bush for 5 HP to 7.5 HP

Oil seal for 5 HP to 7.5 HP

Taking out at Sewage Treatment Plant centrifugal pump including electric motor 3/5 HP, 3 phase, 415 Volts after, disconnecting the electric connection. Dismantling the motor .Cutting the burnt winding and cleaning the slots with non greasy materials and rewinding with super enameled copper wire (Gauge of copper is to match the existing size) with insulating material, varnishing complete. Reassembling the motor, repair and overhauling of pumps, replacement of bearing,grinding, polishing of impeller, neckring, greasing and making electric connection and testing complete to entire satisfaction of Engineer-in-charge.

Taking out at Sewage Treatment Plant air compressor including electric motor 20 HP 3 Phase 415 V installed at STP disconnecting electric connection and idismantling motor, cutting burnt winding and cleaning slots with non greasy chemical and rewinding with super enameled copper wire of existing gauge incl. insulating material, varnishing complete and repair of compressor by dismantling, grinding, polishing of cylinders, pistons, replacement of piston rings, beraings incl. replacement of compressor oil 5 Ltrs, complete all as specified & directed.

Supply and replacement of pressure gauge (water) range -0-20 Kg/cm² complete all as directed.

Dismantling and taking out defective unserviceable butterfly valve and replacement with new butterfly valve 65 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 80 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 100 mm bore incl. jointing with MS nuts, bolts packing, minor adjustment complete all as specified and directed.

M&L for in replacement of granullar Sand of filter media as per existing size, complete all as directed.

M&L for Filter media for MBBR

M&L for Carbon for activated carbon filtor and dual media filter, complete all as directed.

Supply and fix in replacement LED street light fitting 45 watts with built in electronic driver and LEDs housed in pressure die cast aluminium housing with toughened glass and silicon gasket for IP66 degree of protection including GI pipe bracket made up of 25mm dia medium grade GI pipe of length 1.50m bent to required shape and fixing on steel tubular round poles with suitable MS clamps(02Nos) made up of 40mmx5mm MS flat, nuts, bolts and washers including taking down existing street light fitting of any description complete all as directed. Make: Havells/ Crompton Greaves/ Philips/Bajaj

Supply and fix in replacement Post Top LED light fitting 25 watts with electronic driver and LED lamps housed in die cast aluminium housing having IP65 degree of protection including taking down existing post top lantern of any description complete all as directed. Make: Havells/ Crompton Greaves/ Philips/Bajaj

Supply and fix LED flood light fitting 100 Watt with electronic driver and LED lamp, Die cast aluminium housing IP-66 protection enclosure including taking down existing flood light of any description complete all as directed. Make: Havells/ Crompton Greaves/ Philips/Bajaj

M&L for rolled mild steel plates ( plain or chequered) channels square cut or notched ( ordinary and counter sunk) as in valve chamber cover or pipe line duct covers including taking down existing covers, complete all as specified and directed.

M&L for structural steel work in stairs (framed) including stingers, treaders, landing ballaster, hand rails etc. Including cleats, brackets etc complete including dismantling, complete all as specified and directed

Taking down/Dismantling the existing unserviceable spares, supply and fix the folllowing spares suitable for submersible/ cenrifugal/ monoblock pump set panel of various capacity:-

MCCB 63 amps four pole fixed type, Breaking capacity 25 KA, 415 volt AC, 50 HZ confirms to IEC 60947II / IS 13947II Make - Standard/Legrand/L&T

MCCB 100 ams four pole,fixed thermal and fixed magnetic setting, Breaking capacity 25 KA, 415 volt AC, 50 HZ confirms to IEC 60947II / IS 13947II Make - Standard/Legrand/L&T

Voltmeter 0 to 500 Volts Make - Meco, AE, L&T

Indicating lamp (set of 3 ) Make - HPL/Siemens or equivalent

Automatic Star Delta starter with Dry run trip, Single phasing and Phase reversel protection, CT coils and relays suitable for 10 HP capacity. Make - Havells/L&T/ Crompton Greaves

Automatic Star Delta starter with Dry run trip, Single phasing and Phase reversel protection, CT coils and relays suitable for 5 HP capacity. Make - Havells/ L&T/ Crompton Greaves

DOL starter up to 7.5HP Capacity. Complete all as specified and directed. Make - Havells/ L&T/ Siemens

Single phase Preventor Make - minilac or equivallent to L&T, C & S, HPL

Timer switch- Make - L&T, C & S, HPL

Automatic Star Delta starter with, Single phasing and Phase reversel protection , CT coils and relays suitable for 20 HP capacity. Make - Havells/L&T/ Crompton Greaves

Automatic Star Delta starter with, Single phasing and Phase reversel protection , CT coils and relays suitable for 30 HP capacity. Make - Havells/L&T/ Crompton Greaves

Over load relay switch complete all as specified and directed. Make - L&T/Siemens/C&S.

C T Coil suitable for submersible motor starter any capacity. Complete all as specified and directed. Make - L&T/Siemens/C&S.

DOL Starter coil up to 7.5HP capacity. Complete all as specified and directed. Make - L&T/Siemens/C&S.

DOL Starter spare kit suitable up to 7.5HP capacity motors. Complete all as specified and directed. Make - Minilac/L&T/AE

Contactor up to 5HP submersible motor controller. Complete all as specified and directed. Make - L&T/C&S/Siemens

Push button suitable for control panels (Red&Green) complete all as per direction of Engineer-in-charge. Make - Siemens/Legrand/L&T

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