86518E8 REP TO EXT WATER SUPPLY AND MISC WORKS IN OTA AND NANDAMBAKKAM AREA UNDER GE STM CHENNAI.

Amount

BOQ UPLOADED ON 27 MAY 2022

SCH "A" PART-I (EXTERNAL WATER SUPPLY)

Demolition of cement concrete (un-reinforced) in ground floors and pavings not exceeding 150mm thickness (below or above ground level) and and removal of unserviceable debris to outside of MD land complete all as specified and as directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for and taken on credit complete all as specified and as directed.

Cutting existing bituminous road surfaces to a depth not more than 150mm, and making good the surface with PCC 1:3:6, type C1, using 20mm graded stone aggregate to match to the adjacent surface after laying pipes / cable including removal of debris to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

The cubical content of concrete provided to make good shall be measured for purpose of payment.

Earthwork in excavation by mechanical means (hydraulic excavator) in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50m in any type of soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm in any type of soil complete all as specified and as directed.

Plain cement concrete, type B1, 1:2:4, using 20mm graded stone aggregate as in copings, bed blocks and the like including weathering, slightly rounded or chamfered angles and throating and necessary formwork complete all as specified and as directed.

Rolled mild steel as in plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment of Fe-410-W (Gde E-250, quality A) and fixing complete all as specified and as directed.

Rolled mild steel as in framed work as in valve chamber covers of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. covers to be prepared for hanging or sliding with and including hinges (exclusive of steel sheeting or other covering) of Fe-410-W (Gde E-250, quality A) and fixing complete all as specified and as directed.

Rolled mild steel as in stairs (framed) including stringers, treades, landing, balusters, hand rails etc. in cluding cleats, brackets, etc. of Fe-410-W (Gde E-250, quality A) and fixing complete all as specified and as directed.

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Taking up / down water mains of galvanised iron tubing including all fittings from trenches / walls / roof / floor etc., and removal from site under Sch of credit and provision of steel tubing, galvanised, medium grade, with all fittings such as bends, elbows, tees etc., and laid in trenches / under roads / crossings etc., of the following bore of pipes complete all as specified and as directed.

Earthwork as required shall be measured and paid separately.

(a) 15mm bore of pipe.

(b) 20mm bore of pipe.

(c) 25mm bore of pipe.

(d) 40mm bore of pipe.

(e) 50mm bore of pipe.

(f) 80mm bore of pipe.

(g) 100mm bore of pipe.

Taking up / down water mains of galvanised iron tubing including all fittings from trenches / walls / roof / floor etc., and removal from site under Sch of credit and provision of steel tubing, galvanised, medium grade, with all fittings such as bends, elbows, tees etc., and fixed complete to walls and ceilings or laid in floors etc., of the following bore of pipes complete all as specified and as directed.

(a) 15mm bore of pipe.

(b) 20mm bore of pipe.

(c) 25mm bore of pipe.

(d) 40mm bore of pipe.

(e) 50mm bore of pipe.

Taking up cast iron / Ductile iron mains (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead, trenches / walls / roof / floor etc., and removal from site under Sch of credit and provision of ductile iron pipes, spigot and socket joints of "K-7" class in any lengths laid in trenches of the following bore of pipes complete all as specified and as directed.

(a) Earthwork as required shall be measured and paid separately.

(b) CI specials and lead / tyton joints as required shall be measured and paid separately.

(i) 100mm bore of pipe.

(ii) 150mm bore of pipe.

Cutting the existing damaged cast iron / galvanised iron / ductile iron pipes in position, and inserting suitable collar to suit the same diameter, making joints and testing for water tightness, including necessary earthwork at any depth and width in any location, in sludgy soil, using JCB, dewatering and return filling with due compaction in layers of the following dia of pipes complete all as specified and as directed.

(a) Earthwork as required is deemed to be included in the rate quoted.

(b) CI/DI/GI pipes, CI specials like collar and lead / tyton joints as required shall be measured and paid separately.

(c) Rate shall include cutting of pipe in two locations to insert the cast iron collars.

(i) 200mm bore of pipe.

(ii) 150mm bore of pipe.

(iii) 100mm bore of pipe.

Cutting the GI steel tubing in position for alterations or additions, and inserting GI union, nipple and GI tee as required and rejointing to suit the same diameter and testing for water tightness, pipes laid in trenches, walls, floors or ceiling of the following dia of pipes complete all as specified and as directed.

(a) Earthwork as required is deemed to be included in the rate quoted.

(b) Rate shall include cutting and screwing of pipe as required to insert the GI fittings / specials.

(c) Rate shall include cost of GI fittings / specials inserted.

(i) 15mm bore of pipe.

(ii) 20mm bore of pipe.

(iii) 25mm bore of pipe.

(iv) 40mm bore of pipe.

(v) 50mm bore of pipe.

Cutting the GI steel tubing in position for alterations or additions, and inserting GI flange and rejointing to suit the same diameter and testing for water tightness, pipes laid in trenches, walls, floors or ceiling of the following dia of pipes complete all as specified and as directed.

(a) Earthwork as required is deemed to be included in the rate quoted.

(b) Rate shall include cutting and screwing of pipe as required to insert the GI fittings / specials.

(c) Rate shall include cost of GI fittings / specials inserted.

(i) 80mm bore of pipe.

(ii) 100mm bore of pipe.

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Tyton joints with rubber gasket suitable for ductile iron pipes of the following bore of pipes complete all as specified and as directed.

(a) 100mm bore of pipe.

(b) 150mm bore of pipe.

Cast iron fittings 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, cross (all sockets or socket and spigot) collars, caps and plugs as required, suitable for cast iron / ductile iron pipes upto 200mm bore of pipe, (flanged / socket) complete all as specified and as directed

Run lead joints as in repairs by melting down old lead including spun yarn or tarred gasket for the cast iron pipes, spigot and socket joints of the following bore of pipes complete all as specified and as directed.

(a) 80mm bore of pipe.

(b) 100mm bore of pipe.

(c) 150mm bore of pipe.

(d) 200mm bore of pipe.

Joints for cast iron / ductile iron flanged pipes and fittings as in repairs with rubber or fibre board gasket, of the following bore of pipes complete all as specified and as directed.

Cast iron fittings and specials as required shall be measured and paid separately.

(a) 80mm bore of pipe.

(b) 100mm bore of pipe.

(c) 150mm bore of pipe.

(d) 200mm bore of pipe.

Dismantling and opening up existing worn out flange joints of HDPE pipes and refixing insitu including necessary heating, replacing flange bolts, nuts, washers, rubber packing as required, necessary earthwork for the following sizes of pipe complete all as specified and as directed.

(a) 63mm bore of pipe.

(b) 90mm bore of pipe.

(c) 110mm bore of pipe.

Preparing old steel surfaces of mild steel tubing / cast iron pipes and applying one coat of synthetic enamel paint black colour as in suction lines and various delivery lines through main rising and delivery main of over head tank of the following diameter of pipes complete all as directed by Engineer-in-charge.

(a) DI / GI / CI /MS pipe 100mm dia

(b) DI / GI / CI / MS pipe 80mm dia

(c) DI / GI / CI / MS pipe 50mm dia

(d) DI / GI / CI / MSpipe 25mm dia

Dismantling and taking up unserviceable gate valve and removal from site under Sch of credit and provision of gun metal, globe or gate valves, with iron wheel head screwed both ends for iron pipe and fixed of the following bore of pipe complete all as specified and as directed.

(a) 15mm bore of pipe.

(b) 20mm bore of pipe.

(c) 25mm bore of pipe.

(d) 40mm bore of pipe.

(e) 50mm bore of pipe.

Dismantling and taking up unserviceable sluice valve and removal from site under Sch of credit and provision of Cast iron sluice valve with flanged ends drilled with holes, Class PN 1.6, ISI marked (conforming to IS 14846) with brass, non rising spindle, gun metal working parts with hand wheel and checknut, rubber gasket 3mm thick, mild steel nut, bolts and washers, necessary machining works of the following bore of pipe complete all as specified and as directed.

(a) 80mm bore of pipe.

(b) 100mm bore of pipe.

(c) 150mm bore of pipe.

(d) 200mm bore of pipe.

Dismantling and taking up unserviceable non return valve and removal from site under Sch of credit and provision of cast iron non return valve, body seat of gun metal with flanged ends drilled with holes, Class PN 1.6, ISI marked (conforming to IS 5312) with rubber gasket 3mm thick, mild steel nut, bolts and washers, necessary machining works of the following bore of pipe complete all as specified and as directed.

(a) 100mm bore of pipe.

(b) 80mm bore of pipe.

Dismantling and taking up unserviceable foot valve and removal from site under Sch of credit and provision of cast iron foot valve, single disc with flanged ends drilled with holes, ISI marked (conforming to IS 4038) with rubber gasket 3mm thick, mild steel nut, bolts and washers, necessary machining works of the following bore of pipe complete all as specified and as directed.

The footvalves are fitted to existing suction lines of monoblock / centrifugal pumps in the UG Sump

(a) 50mm bore of pipe.

(b) 80mm bore of pipe.

(c) 100mm bore of pipe.

Dismantling and taking up unserviceable ball valve and removal from site under Sch of credit and provision of ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe and fixed of the following bore of pipe complete all as specified and as directed.

(a) 20mm bore of pipe.(minimum weight 20mm-210gms)

(b) 25mm bore of pipe.(minimum weight 25mm-455gms)

(c) 40mm bore of pipe.minimum weight 40mm-690gms)

Dismantling and taking up unserviceable gun metal check valve and removal from site under Sch of credit and provision of gun metal check valve, vertical, screwed type, fitted to suction pipe inside the UG sump of the following bore of pipe complete all as specified and as directed.

(a) 80mm bore of pipe.

(b) 50mm bore of pipe.

Taking out old unserviceable gland rope and provision of Graphite gland packing rope of assorted sizes used in sluice valves of size 80mm to 150mm, pumps etc complete all as specified and as directed.

Construction of valve chamber suitable for sluice valves / gate valves, with earthwork in any type of soil, PCC foundation 100mm thick of 1:4:8, type D2, using 40mm graded stone aggregate, brickwork with fly ash bricks in CM 1:6, 230mm thick, PCC coping 50mm thick of 1:2:4, type B1, using 20mm graded stone aggregate, flooring of 40mm thick in PCC 1:2:4, type B1 using 20mm graded stone aggregate, rendering on both fair and other than fair face of brickwork in 15mm thick in CM 1:4, finished fair and even, finished with three coats of whitewash after preparing surfaces, Mild steel cover of size 200mm more than inner dimensions of chamber of steel sheet of 3.15mm, on flat iron framework of 25mm x 4mm on edges and diagonal with base frame of angle iron 40mm x 40mm x 6mm, including locking arrangement painted with two coats of synthetic enamel paint over a coat of red oxide primer including dismantling existing valve chambers and removal of unserviceable debris outside MD land of the following inner dimensions complete all as specified and as directed.

(a) 600mm x 600mm x 600mm

(b) 900mm x 900mm x 900mm

(c) 1000mm x 1000mm x 1000mm

SCH "A" PART-II (REPAIRS TO PUMPSETS)

Dismantling the non functioning pumpset and motors of following capacity / type from foundation by opening of coupling and foundation bolts and transporting to workshop for repairing and reassembling after servicing and overhauling complete with oiling / greasing, lubricating the parts includng repair / renewal of worn out parts and spray painting with one coat of synthetic enamel paint of existing colour and writing SM/MES No with white paint and reinstallation, commissioning and testing on full load complete all as specified and directed by Engineer - in - Charge.

(a) Major defective spares replaced shall be measured and paid separately as supply only as given in list of spares here-in-after.

(b) Cost of consumables like grease, cotton waste etc., other minor items /spares such as nut, bolts washers, gaskets, paints etc which are not covered under List of spares but required for effective functioning of the plant shall be deemed to be included in the rate quoted.

(c) Digital photographic record of dismantling and reassembling of pumpsets alongwith motor shall be maintained and printout made part of Final Bill.

(d) Issue voucher and gate pass for taking out pumpsets and motors shall also be kept on record.

(i) Mono block or jet pump of capacity 5 HP

(ii) Mono block pump, three phase of capacity 7.5 HP

(iii) Mono block pump, three phase of capacity 10.0 HP

(iv) Mono block pump, three phase of capacity 15.0 HP

(v) Mono block pump, three phase of capacity 20.0 HP

Dismantling the non functioning centrifugal pumpsets of capacity 20.0 HP from foundation by opening of coupling and foundation bolts and transporting to workshop for repairing and reassembling after servicing and overhauling complete with oiling / greasing, lubricating the parts includng repair / renewal of worn out parts and spray painting with one coat of synthetic enamel paint of existing colour and writing SM/MES No with white paint and reinstallation, commissioning and testing on full load complete all as specified and directed by Engineer - in - Charge.

(a) Major defective spares replaced shall be measured and paid separately as supply only as given in list of spares here-in-after.

(b) Cost of consumables like grease, cotton waste etc., other minor items /spares such as nut, bolts washers, gaskets, paints etc which are not covered under List of spares but required for effective functioning of the plant shall be deemed to be included in the rate quoted.

(c) Digital photographic record of dismantling and reassembling of pumpsets alongwith motor shall be maintained and printout made part of Final Bill.

(d) Issue voucher and gate pass for taking out pumpsets and motors shall also be kept on record.

Supply only spare parts of monoblock / centrifugal pumpsets complete all as specified and as directed.

(a) CI impeller for mono block or jet pump of capacity 5 HP

(b) Ball bearing for mono block or jet pump of capacity 5 HP

(c) Motor coupling assembly with tyre for mono block or jet pump of capacity 5 HP

(d) CI impeller for mono block pump, three phase of capacity 7.5 HP

(e) Ball bearing for mono block pump, three phase of capacity 7.5 HP

(f) Motor coupling assembly with tyre for mono block pump, three phase of capacity 7.5 HP

(g) CI impeller for mono block pump, three phase of capacity 10.0 HP

(h) Ball bearing for mono block pump, three phase of capacity 10.0 HP

(j) Motor coupling assembly with tyre for mono block pump, three phase of capacity 10.0 HP

(k) CI impeller for mono block pump, three phase of capacity 15.0 HP

(l) Ball bearing for mono block pump, three phase of capacity 15.0 HP

(m) Motor coupling assembly with tyre for mono block pump, three phase of capacity 15.0 HP

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(o) BLANK

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(q) CI impeller for centrifugal pump set of capacity 20.0 HP

(r) Ball bearing for centrifugal pump set of capacity 20.0 HP

(s) Shaft for centrifugal pump set of capacity 20.0 HP

(t) Motor coupling set for centrifugal pump set of capacity 20.0 HP

Dismantling motor of monoblock pumpsets of any make / model, rewinding with super enamelled copper winding of appropriate gauge and quality and insulated with varnish after removal of burnt out winding from slots with emery paper, including replacement of minor parts like worn out bush, bearing, shaft metalling / grinding and terminal lead for AC single phase, 230 volts grade, reassembling the motor commissioning and testing for full functionality, pumpsets of 5 HP capacity complete all as specified and directed by Engineer - in - Charge.

Dismantling motor of monoblock pumpsets of any make / model, rewinding with super enamelled copper winding of appropriate gauge and quality and insulated with varnish after removal of burnt out winding from slots with emery paper, including replacement of minor parts like worn out bush, bearing, shaft metalling / grinding and terminal lead for AC three phase, 415 volts grade, reassembling the motor commissioning and testing for full functionality, pumpsets of 7.5 HP capacity, three phase complete all as specified and directed by Engineer - in - Charge.

Dismantling motor of monoblock pumpsets of any make / model, rewinding with super enamelled copper winding of appropriate gauge and quality and insulated with varnish after removal of burnt out winding from slots with emery paper, including replacement of minor parts like worn out bush, bearing, shaft metalling / grinding and terminal lead for AC three phase, 415 volts grade, reassembling the motor commissioning and testing for full functionality, pumpsets of 10.0 HP capacity, three phase complete all as specified and directed by Engineer - in - Charge.

Dismantling motor of monoblock pumpsets of any make / model, rewinding with super enamelled copper winding of appropriate gauge and quality and insulated with varnish after removal of burnt out winding from slots with emery paper, including replacement of minor parts like worn out bush, bearing, shaft metalling / grinding and terminal lead for AC three phase, 415 volts grade, reassembling the motor commissioning and testing for full functionality, pumpsets of 15.0 HP capacity, three phase complete all as specified and directed by Engineer - in - Charge.

Dismantling motor of monoblock pumpsets of any make / model, rewinding with super enamelled copper winding of appropriate gauge and quality and insulated with varnish after removal of burnt out winding from slots with emery paper, including replacement of minor parts like worn out bush, bearing, shaft metalling / grinding and terminal lead for AC three phase, 415 volts grade, reassembling the motor commissioning and testing for full functionality, pumpsets of 20.0 HP capacity, three phase complete all as specified and directed by Engineer - in - Charge.

Dismantling the non functioning motors of centrifugal pumpset of following capacity / type from foundation by opening of coupling and foundation bolts and transporting to workshop rewinding with super enamelled copper winding of appropriate gauge and quality and insulated with varnish after removal of burnt out winding from slots with emery paper, including replacement of minor parts like worn out bush, bearing, shaft metalling / grinding and terminal lead for AC three phase, 415 volts grade, reassembling the motor commissioning and testing for full functionality, pumpsets of 20 HP capacity complete all as specified and directed by Engineer - in - Charge.

Taking out non functional submersible (vertical) type pumpsets including motors of following capacity / type from bore well for repair by lifting GI tubing of size 50 mm from upto a depth of 220 feet by means of chain pully block or other T&P, disconnecting electrical and pipe line connection, transporting to workshop for repairing and reassembling after servicing and overhauling complete with oiling / greasing, lubricating the parts includng repair / renewal of worn out parts and spray painting with one coat of synthetic enamel paint after cleaning and scrubing, shifting back to borewell, lowering and reinstallation, commissioning and testing on full load complete all as specified and directed by Engineer - in - Charge.

(a) Major defective spares replaced shall be measured and paid separately as supply only as given in list of spares here-in-after.

(b) Cost of consumables like grease, cotton waste etc., other minor items /spares such as nut, bolts washers, gaskets, paints etc which are not covered under List of spares but required for effective functioning of the plant shall be deemed to be included in the rate quoted.

(c) Digital photographic record of dismantling and reassembling of pumpsets alongwith motor shall be maintained and printout made part of Final Bill.

(d) Issue voucher and gate pass for taking out pumpsets and motors shall also be kept on record.

(i) Submersible pumpsets of assorted capacity 3 HP / 4 HP / 5 HP

(ii) Submersible pumpset of capacity 7.5 HP

Supply only spare parts of submersible (vertical) type pumpsets for borewell complete all as specified and as directed.

(a) Thrust bearing complete for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(b) Gun metal bearing brush for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(c) Stainless steel studs and nuts for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(d) Shaft for pump for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(e) Bowl assembly for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(f) Key for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(g) Oil seal body for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(h) Thrust bearing complete for submersible pumpset of capacity 7.5 HP

(j) Gun metal bearing brush for submersible pumpset of capacity 7.5 HP

(k) Stainless steel studs and nuts for submersible pumpset of capacity 7.5 HP

(l) Shaft for pump for submersible pumpset of capacity 7.5 HP

(m) Bowl assembly for submersible pumpset of capacity 7.5 HP

(n) Key for submersible pumpset of capacity 7.5 HP

(o) Oil seal body for submersible pumpset of capacity 7.5 HP

Dismantling motor of submersible (vertical) type pumpsets of any make / model, rewinding with super enamelled copper winding of appropriate gauge and quality and insulated with varnish after removal of burnt out winding from slots with emery paper, including replacement of minor parts like worn out bush, bearing, "O" rings and filling of cooling oil with oil seal and terminal lead for AC three phase, 415 volts grade, reassembling the motor commissioning and testing for full functionality, pumpsets of 3 HP capacity complete all as specified and directed by Engineer - in - Charge.

Dismantling motor of submersible (vertical) type pumpsets of any make / model, rewinding with super enamelled copper winding of appropriate gauge and quality and insulated with varnish after removal of burnt out winding from slots with emery paper, including replacement of minor parts like worn out bush, bearing, "O" rings and filling of cooling oil with oil seal and terminal lead for AC three phase, 415 volts grade, reassembling the motor commissioning and testing for full functionality, pumpsets of 5 HP capacity complete all as specified and directed by Engineer - in - Charge.

Dismantling motor of submersible (vertical) type pumpsets of any make / model, rewinding with super enamelled copper winding of appropriate gauge and quality and insulated with varnish after removal of burnt out winding from slots with emery paper, including replacement of minor parts like worn out bush, bearing, "O" rings and filling of cooling oil with oil seal and terminal lead for AC three phase, 415 volts grade, reassembling the motor commissioning and testing for full functionality, pumpsets of 7.5 HP capacity complete all as specified and directed by Engineer - in - Charge.

Taking out defective submersible pumpets including motor of following capacity / type from openwell / sump for repair by lifting GI tubing of size 50 mm from upto a depth of 40 feet by means of chain pully block or other T&P, disconnecting electrical and pipe line connection, transporting to workshop for repairing and reassembling after servicing and overhauling complete with oiling / greasing, lubricating the parts includng repair / renewal of worn out parts and spray painting with one coat of synthetic enamel paint after cleaning and scrubing, shifting back to openwell / sump , lowering and reinstallation, commissioning and testing on full load complete all as specified and directed by Engineer - in - Charge.

(a) Major defective spares replaced shall be measured and paid separately as supply only as given in list of spares here-in-after.

(b) Cost of consumables like grease, cotton waste etc., other minor items /spares such as nut, bolts washers, gaskets, paints etc which are not covered under List of spares but required for effective functioning of the plant shall be deemed to be included in the rate quoted.

(c) Digital photographic record of dismantling and reassembling of pumpsets alongwith motor shall be maintained and printout made part of Final Bill.

(d) Issue voucher and gate pass for taking out pumpsets and motors shall also be kept on record.

(i) Submersible pumpsets of assorted capacity 3 HP / 4 HP / 5 HP

(ii) Submersible pumpset of capacity 7.5 HP

Supply only spare parts of submersible pumpsets for openwell / sump complete all as specified and as directed.

(a) Thrust bearing complete for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(b) Gun metal bearing brush for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(c) Stainless steel studs and nuts for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(d) Impeller for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(e) Seal for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(f) Impeller key for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(g) Rotor sleeve for submersible pumpset of capacity 3 HP / 4 HP / 5 HP

(h) Thrust bearing complete for submersible pumpset of capacity 7.5 HP

(j) Gun metal bearing brush for submersible pumpset of capacity 7.5 HP

(k) Stainless steel studs and nuts for submersible pumpset of capacity 7.5 HP

(l) Impeller for submersible pumpset of capacity 7.5 HP

(m) Seal for submersible pumpset of capacity 7.5 HP

(n) Impeller key for submersible pumpset of capacity 7.5 HP

(o) Rotor sleeve for submersible pumpset of capacity 7.5 HP

Dismantling motor of submersible openwell / sump pumpsets of any make / model, rewinding with super enamelled copper winding of appropriate gauge and quality and insulated with varnish after removal of burnt out winding from slots with emery paper, including replacement of minor parts like worn out bush, bearing, "O" rings and filling of cooling oil with oil seal and terminal lead for AC three phase, 415 volts grade, reassembling the motor commissioning and testing for full functionality, pumpsets of 3 HP / 4 HP / 5 HP capacity complete all as specified and directed by Engineer - in - Charge.

Dismantling motor of submersible openwell / sump pumpsets of any make / model, rewinding with super enamelled copper winding of appropriate gauge and quality and insulated with varnish after removal of burnt out winding from slots with emery paper, including replacement of minor parts like worn out bush, bearing, "O" rings and filling of cooling oil with oil seal and terminal lead for AC three phase, 415 volts grade, reassembling the motor commissioning and testing for full functionality, pumpsets of 7.5 HP capacity complete all as specified and directed by Engineer - in - Charge.

Taking down existing flat submersible cable and provision of flat PVC Insulated and PVC sheathed industrial submersible water proof cable for submersible pump motors 650/1100 volts grade, connected with necessary ferrules / water proof joint of the following sizes complete all as specified and as directed.

(a) 3 core 6 sqmm

(b) 3 core 4 sqmm

(c) 3 core 2.5 sqmm

Preparation of surface by removing dust / rust / old paint by rubbing and cleaning, tinkering, applying metal putty wherever necessary and painting with one coat of synthetic enamel paint by spray painting of the pumpsets and motors of any make / model / capacity all as specified and as directed.

Direct on-line starter, three phase, 415 Volts, suitable for pumpsets upto 7.5 HP capacity, in sheet metal enclosure of IP-54 protection as in repairs complete all as specified and as directed.

Fully automatic star delta starter, three phase, 415 Volts, with prevention facility, suitable for pumpsets upto 10.0 HP capacity, in sheet metal enclosure of IP-54 protection as in repairs complete all as specified and as directed.

Fully automatic star delta starter, three phase, 415 Volts, with prevention facility, suitable for pumpsets of 15.0 HP capacity, in sheet metal enclosure of IP-54 protection as in repairs complete all as specified and as directed.

Fully automatic star delta starter, three phase, 415 Volts, with prevention facility, suitable for pumpsets of 20.0 HP /25.0 HP capacity, in sheet metal enclosure of IP-54 protection as in repairs complete all as specified and as directed.

Single phase preventor, three phase, 415 Volts, as in repairs complete all as specified and as directed.

SCH "A" PART-III (REPAIRS TO DG SETS AND BATTERIES)

Servicing of DG set of capacity 250 kVA, including complete oil servicing, including servicing all parts including change of engine oil to full quantity, change of coolant to required level (1 litre approximately), change of oil filter (spain-on type) - 02 Nos, fuel pre-filter, micro-filter, air filter, air cleaner safety element and consumables such as cotton waste, grease, cleaning liquids etc all as per manufacturers manual , work carried out by authorised service provider complete all as specified and as directed.

Servicing of DG set of capacity 62.5 kVA, including complete oil servicing, including servicing all parts including change of engine oil to full quantity, change of coolant to required level (1 litre approximately), change of oil filter (spain-on type) - 02 Nos, fuel pre-filter, air filter, air cleaner safety element and consumables such as cotton waste, grease, cleaning liquids etc all as per manufacturers manual , work carried out by authorised service provider complete all as specified and as directed.

Servicing of DG set of capacity 15 kVA, including complete oil servicing, including servicing all parts including change of engine oil to full quantity, change of coolant to required level (1 litre approximately), change of oil filter (spain-on type) - 02 Nos, fuel pre-filter, air filter, air cleaner safety element and consumables such as cotton waste, grease, cleaning liquids etc all as per manufacturers manual , work carried out by authorised service provider complete all as specified and as directed.

Servicing of DG set of capacity 10.0 kVA / 12.5 kVA, including complete oil servicing, including servicing all parts including change of engine oil to full quantity, change of coolant to required level (1 litre approximately), change of oil filter (spain-on type) - 02 Nos, fuel pre-filter, air filter, air cleaner safety element, Auto On/Off, Alarm, Battery charging and consumables such as cotton waste, grease, cleaning liquids etc all as per manufacturers manual , work carried out by authorised service provider complete all as specified and as directed.

Dismantling of self starter of any make from diesel engines of any make, opening up, servicing including replacement of armature coils, bushes, carbon brushes, springs, screws etc., assembling back, re-fixing and testing for DG sets of following capacity complete all as specified and as directed.

(a) DG set 250 kVA

(b) DG set 62.5 kVA

(c) DG set 12 kVA to 25 kVA

PVC insulated, flexible copper conductors of size single core multistranded 50 sqmm cable as battery lead suitable for 12/24 volts batteries complete all as specified and as directed.

Battery terminal clamp / socket with bolts and nuts, brass suitable for copper conductors of size single core multistranded 50 sqmm cable and 12 V, 180 AH battery terminal posts complete all as specified and as directed.

PVC transparent pipe 8mm bore of dia and 2 mm thick connecting up for fuel inlet / overflow links, fuel tank, fuel indicator complete all as specified and as directed.

Dismantling battery, replacing unserviceable terminal posts, PVC cap, recharging the battery to the required standard by replacing the electrolyte for 12 V, 180 AH battery complete all as specified and as directed.

Preparation of surface by removing dust / rust / old paint etc by rubbing and cleaning, tinkering, applying metal putty wherever necessary and painting with one coat of synthetic enamel paint by spray painting of the DG set of any make / model / capacity all as specified and as directed.

MCCB 25 Amps to 100 Amps, 3 pole, 415 Volts, 3 phase, 50 Hz, 16 kA breaking capacity, with fixed thermal and fixed magnetic setting with protection for overload and short circuit and conforming to IEC60947 / IS 13947 (Pt-II) 1993 (Latest version) and with Ics = 75% of Icu as in repairs complete all as specified and as directed.

MCCB 160 Amps, 3 pole, 415 Volts, 3 phase, 50 Hz, 36 kA breaking capacity, with adjustable thermal and fixed magnetic setting with protection for overload and short circuit and conforming to IEC60947 / IS 13947 (Pt-II) 1993 (Latest version) and with Ics = 100% of Icu as in repairs complete all as specified and as directed.

MCCB 63 Amps, 4 pole, 415 Volts, 3 phase, 50 Hz, 16 kA breaking capacity, with adjustable thermal and fixed magnetic setting with protection for overload and short circuit and conforming to IEC60947 / IS 13947 (Pt-II) 1993 (Latest version) and with Ics = 100% of Icu as in repairs complete all as specified and as directed.

MCCB 100 Amps, 4 pole, 415 Volts, 3 phase, 50 Hz, 26 kA breaking capacity, with adjustable thermal and fixed magnetic setting with protection for overload and short circuit and conforming to IEC60947 / IS 13947 (Pt-II) 1993 (Latest version) and with Ics = 100% of Icu as in repairs complete all as specified and as directed.

MCCB 125 Amps, 4 pole, 415 Volts, 3 phase, 50 Hz, 26 kA breaking capacity, with adjustable thermal and fixed magnetic setting with protection for overload and short circuit and conforming to IEC60947 / IS 13947 (Pt-II) 1993 (Latest version) and with Ics = 100% of Icu as in repairs complete all as specified and as directed.

Servicing of LT panel board of any size, cleaning of panel board internally and externally, tightening all screws and nuts and bolt, replacing minor parts like screws, washers, lugs etc, checking the serviceability of all switchgears complete all as specified and as directed.

Unserviceable switchgear shall be measured and paid separately.

SCH "A" PART-IV (CLEANING OF OHT AND SUMPS AND DISILTING OF OPENWELLS)

Draining out all water from Over Head Tank any height / staging, cleaning the internal surfaces by scrapping down / brushing and removing all silt, dirt, algae etc from walls, floors, washing / cleaning with water and bleaching powder and applying one coat of white wash to all internal surfaces of floor, walls and ceilings, preparing old steel surfaces and applying one coat of anti corrosive bituminous paint, such as on vent pipes, inlet, outlet pipes, ladder and one coat of synthetic enamel paint to MS pipe railing of the following capacities complete all as directed by Engineer-in-charge.

(a) Rate quoted is deemed to include painting to obliterate labels using black paint same as existing dimensions and writing particulars etc using white paint with height of letters same as existing writing

(b) The contractor shall provide all mandatory safety and precautionary measures for the labour to work in heights, enclosed spaces and prevent asphyxiation.

(c) Digital photographic record of work carried out for each OHT shall be kept on record and printout made part of Final Bill.

(d) All dirt, muck and growth removed during cleaning shall be disposed off away from MD land.

(e) The contractor may use mechanical machinery in the cleaning process. However nothing extra shall be paid for the same.

(i) 10000 gallons capacity

(ii) 20000 gallons capacity

(iii) 40000 gallons capacity

(iv) 50000 gallons capacity

(v) 100000 gallons capacity

Pumpout out all water from Under ground sump / storage tank / flood water storage sumps, cleaning the internal surfaces of by scrapping down / brushing and removing all silt, dirt, algae etc from walls, floors, washing / cleaning with water and bleaching powder and applying one coat of white wash to all internal surfaces of floor, walls and ceilings and one coat of cement base paint to all external surfaces including top surfaces of OH tanks and including preparing old steel surfaces and applying one coat of anti corrosive bituminous paint on all old steel surfaces such as vent pipes, inlet, outlet pipes, ladder of the following capacities complete all as directed by Engineer-in-charge.

(a) Rate quoted is deemed to include painting to obliterate labels using black paint same as existing dimensions and writing particulars etc using white paint with height of letters same as existing writing and painting of hash markings of water level indicator.

(b) The contractor shall provide all mandatory safety and precautionary measures for the labour to work in enclosed spaces and prevent asphyxiation.

(c) Digital photographic record of work carried out for each sump shall be maintained and printout made part of Final Bill.

(d) All dirt, muck and growth removed during cleaning shall be disposed off away from MD land.

(e) The contractor may use mechanical machinery in the cleaning process. However nothing extra shall be paid for the same.

(i) 5000 gallons capacity

(ii) 7500 gallons capacity

(iii) 10000 gallons capacity

(iv) 20000 gallons capacity

(v) 50000 gallons capacity

Desilting of open / shallow wells by bailing out of water from the well by using pumpset, removing of silt (mud / sand etc) from the floor of the wells and depositing at a distance not less than 50m, cleaning the internal vertical surface of well with wire brushes, removing of plants, moss and algae growth and floating algae growth on the water, of following size of wells complete all as directed by Engineer-in-charge.

(a) Rate quoted is deemed to include painting to obliterate labels using black paint same as existing dimensions and writing particulars etc using white paint with height of letters same as existing writing.

(b) The contractor shall provide all mandatory safety and precautionary measures for the labour to work in enclosed spaces and prevent asphyxiation.

(c) Digital photographic record of desilting work carried out for each openwell shall be kept on record and printout made part of Final Bill.

(d) All dirt, muck and growth removed during desilting shall be disposed off away from MD land.

(a) Well of diameter 30 feet and depth 30/40 feet.

(b) Well of diameter 25 feet and depth 25 feet.

Developing and flushing the bore wells for a period of 6 hours with high pressure compressed air pump till clear water flows out including removing and refixing of installation complete all as specified and as directed.

Digital photographic record of flushing work carried out for each borewell shall be kept on record and printout made part of Final Bill.

Sri Sankar Enterprises

Sri Lakshmi and Company