8853 REPAIRS AND REPLACEMENT OF UNSERVICEABLE EXTERNAL WATER SUPPLY CI/DI/GI PIPE LINE, VALVES, PUMP, MOTORS, CLEANING OF UG/OH TANKS AND OTHER CONNECTED WORKS UNDER GE NORTH MUMBAI

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth and getting out in hard/dense soil for exposing of pipe etc complete all as specified and as directed by Engineer-in-Charge.

Returning, filling in including spreading, levelling, watering and well ramming soil in layers not exceeding 25 cm thick complete all as specified and as directed by the Engineer-in-Charge

Removing excavated material to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed by Engineer-in-Charge

Taking up old unserviceable Cast Iron water mains 100 mm dia including all fittings, with spigot and socket ends and lead joints including burning out joints and lead complete all as specified and as directed by Engineer-in-Charge

Supply, lay and jointing new Cast Iron pipe, centrifugally cast (spun), class LA, 100 mm bore with rubber gasket (Tyton) joint in any length, laid in trenches in proper alignment etc complete all as specified and as directed by Engineer-in-Charge Note- Rubber joints (tyton), run lead joints, bends/tappers/tee/cross any type and size and earth work will be measured and paid separately. Make: Tisco / Electro Steel / Kesoram / Lanco / Jindal / Kalinga / Kapilansh.

Supply, lay and jointing new DI pipe of 80mm bore (Ductile iron pipe DN 80), spigot and socket ends, class K-7 with rubber gasket (Tyton) joint in any length, laid in trenches in proper alignment etc complete all as specified and as directed by Engineer-in-Charge Note: Rubber gasket joints (tyton), specials such as bends/tappers/tee/cross of any type and size and earth work excavation will be measured and paid separately. Make: Tisco / Electro Steel / Kesoram / Lanco / Jindal / Kalinga / Kapilansh.

Material and labour for cutting of DI/CI pipe 80 mm bore and reducing to required length in position complete with insertion of new Tee, tail pieces, reducers valves etc and including necessary earth work complete all as specified and as directed by Engineer-in-Charge. Note: Specials such as Tee, tail pieces, reducers valves etc will be measured and paid separately.

Supply and fix Cast Iron fittings such as spigot socketed pipe bends only (any type radius and angle), tappers any type (Straight, bend, increasing, decreasing or double socket etc), Tee pieces, single branch, double branch, cross (all sockets or socket and spigot ) collars, caps and plugs up to 200 mm dia including taking down existing etc complete all as specified and as directed by Engineer-in-Charge. Make: Tisco / Electro Steel / Kesoram / Lanco / Jindal / Kalinga / Kapilansh.

Supply and fix Ductile Iron fittings such as spigot socketed pipe bends only (any type radius and angle), tappers any type (Straight, bend, increasing, decreasing or double socket etc), Tee pieces, single branch, double branch, cross (all sockets or socket and spigot ) collars, caps and plugs up to 200 mm dia including taking down existing etc complete all as specified and as directed by Engineer-in-Charge. Make: Tisco / Electro Steel / Kesoram / Lanco / Jindal / Kalinga / Kapilansh.

Supply, fix and jointing steel water tubing medium grade, galvanised iron with all fittings such as Tees, elbows, sockets, bends, unions, short pieces, nipples, brass nuts and diminishing pieces complete all as per IS 1239 including fixed to wall / ceiling or laid in floor with suitable size GI clamps including taking down existing GI pipe and making good disturbed surfaces as per existing surfaces complete all as specified and as directed by Engineer-in-Charge for following sizes: Make: Tata / Jindal / Surya Prakash / Zenith

(a) 100mm bore GI pipe

(b) 50mm bore GI pipe

(c) 40mm bore GI pipe

(d) 25mm bore GI pipe

Supply and fix gun metal gate valve with iron wheel head, screwed both ends for iron pipes & fixed including taking down existing etc complete all as specified and as directed by Engineer-in-Charge for following sizes: Make: Kirloskar / Zoloto / Kartar / Upadhaya / Leader / BIR

(a) 50mm bore

(b) 40mm bore

(c) 25mm bore

Supply, fix, joint and testing Cast Iron Sluice Valve heavy duty, with stainless steel spindle, PN 1.0 with iron wheel head jointing, coupling both ends for cast iron pipes including nuts, bolts, rubber gaskets etc including taking down old unserviceable Sluice valve complete all as specified and as directed by Engineer-in-charge for following sizes: Make: Kirloskar / Kartar / Upadhaya / Leader / Venus / L & T (audco)

(a) 150mm dia

(b) 100mm dia

(c) 80mm bore

Supply and fix Non Return Valve 100mm dia both ends flanged ISI marked including nuts bolts washers rubber gasket jointing material including taking down existing complete all as specified and as directed by Engineer-in-charge. Make: Kirloskar / Kartar / Upadhaya / Leader / Venus / L & T (audco)

Material and labour for construction of new valve chamber including necessary excavation and earth work in any type of soil, PCC foundation (1:3:6) type C-2, using 40mm graded stone aggregate as in base concrete 100mm thick, 15cm offset, 230mm thick brick work in CM 1:6 with 10 mm thick rendering internally and 15 mm thick externally in CM 1:4, 50mm thick PCC 1:2:4 type B1 as in coping, 6 mm thick MS cover with hinges and locking arrangement, fixed to angle iron frame made out of 40 x 40 x 6 mm MS angles complete with two coats of synthetic enamel paint over one coat of red zinc chrome primer on all metal surfaces & three coats of white wash on all plastered surfaces of valve chambers including dismantling of unserviceable valve chamber with rusted MS cover without disturbing the existing pipeline etc complete all as specified & directed by Engineer -in-Charge for the following sizes:

(a) 1300mm x 1300mm x 600mm ( Internal size)

(b) 1100mm x 1100mm x 600mm ( Internal size)

(c) 900mm x 900mm x 600mm ( Internal size)

Material and labour for run lead joint spigot and socket pipes and fittings for CI / DI pipe of 200 mm bore size of pipe including provision of bolts, washers and white lead or mineral oil complete all as specified and as directed by Engineer-in-Charge.

Material and labour for run lead joint spigot and socket pipes and fittings for CI / DI pipe of 100 mm bore size of pipe including provision of bolts, washers and white lead or mineral oil complete all as specified and as directed by Engineer-in-Charge.

Material and labour for rubber gasket (tyton) joint for CI / DI pipe of 200 mm bore DI/CI fittings complete all as specified and as directed by Engineer-in-Charge.

Material and labour for rubber gasket (tyton) joint for CI / DI pipe of 100 mm bore DI/CI fittings complete all as specified and as directed by Engineer-in-Charge.

Material and labour for desludging / desilting of RCC over head water tank of capacity of 50000 Gallons by draining out water / sludge from tank, removing all scales, dirt, algae and other growths from floor, roof, inside of tanks and from mouths of circulating pipes by rubbing with wire brushes and high pressure cleaning method with rotary sets with approved detergents and sucking out all dirty water by vacuum cleaners, disinfecting the tank with approved chemical solution using at the rate of 0.20kg / sqm for making surface bacteria free and finally cleaning with fresh water to the satisfaction of Engineer - in- charge including painting MS plate manhole covers, suction pipes, rugs, etc. with two coats of anticorrosive paint and writing outside the tank as TANK CLEANED on_______and capacity _______ on black painted surface including removing all dirt outside land to a distance exceeding 50 mts complete all as specified and as directed by Engineer-in-Charge.

All as per item No. 19 described here-in-before but 25000 Gallons capacity

Material and labour for desludging / desilting of underground sedimentation reservoir of 80000 Gallons capacity by draining out water / sludge from tank, removing all scales, dirt, algae and other growths from floor, roof, inside of tanks and from mouths of circulating pipes by rubbing with wire brushes and high pressure cleaning method with rotary sets with approved detergents and sucking out all dirty water by vacuum cleaners, disinfecting the tank with approved chemical solution using at the rate of 0.20kg / sqm for making surface bacteria free and finally cleaning with fresh water to the satisfaction of Engineer - in- Charge including painting MS plates manhole covers, suction pipes, rugs, etc. with two coats of anticorrosive paint and writing outside the tank as TANK CLEANED on_______and capacity _______ on black painted surface including removing all dirt outside land to a distance exc.50 mts complete all as specified and as directed by Engineer-in-Charge.

All as per item No. 21 described here-in-before but 50000 Gallons capacity

All as per item No. 21 described here-in-before but 25000 Gallons capacity

All as per item No. 21 described here-in-before but 20000 Gallons capacity

All as per item No. 21 described here-in-before but 10000 Gallons capacity

Supply and fix ball/roller bearing suitable for 3HP to 5 HP pump and motors testing commissioning after installation as approved including taking down old unserviceable bearing complete all as specified and as directed by Engineer-in-charge.

All as per item No. 26 described here-in-before but 10HP to 20HP pump and motors

Material and labour for dismantling monoblock/Centrifugal pump set of capacity 3HP to 5HP from pipe line including removing of electric connection from its position carefully and transporting the same to the work shop for servicing, greasing and replacement of unserviceable parts such as bearing, rubber seal, gland packing, gun metal bush and impeller etc and refixing the same in its original position after repairs including connection of water with new nuts, bolts as per existing and providing new gaskets, connecting the existing electric cable etc., testing & commissioning pump set for satisfactory functioning complete all as specified and as directed by Engineer-in-Charge. Note: (i) The spares required for repair the pump sets and rewinding of motor will be measured and paid separately under respective item. (ii) Expendable items like cotton waste, cleaning materials, lubricants, gland packing, rubber seal, metal filling, machining and transportation from site to workshop & back are deemed to be included in rate quoted.

All as per item No. 28 described here-in-before but 10HP to 20HP pump set

Material and labour for disconnecting removing dismantling and rewinding of electric motor, induction type, three phase, 415 Volts, 50 HZ, AC and replacing with super enamelled copper wire of gauge and turns of existing motor to achieve full efficiency including tying the windings and connecting the coils and bringing the connection as that of existing, varnishing, reassembling /re-fixing connecting and commissioning and testing complete for 10HP to 20 HP capacity pump motor complete all as specified and as directed by Engineer-in-charge. Note: The bearing will be measured and paid separately under respective item.

All as per item No. 30 described here-in-before but 3HP to 5HP pump set

Material and labour for dismantling and disconnecting upto 15 HP 3phase submersible pump from pump house, transporting to contractor's workshop, dismantling and carrying out necessary repairs/replacement of motor as following : (a) Cutting out existing winding of stator of monoblock motor of any make and rewinding with same size of copper winding wire as existing guage.the electric motor and re-assembling the pump set on existing foundation after repair / overhauling of motor including following and testing complete all as specified and as directed by Engineer-in-Charge. (b) Straightening the slot of starter of submersible motor of any make (c) Replacement of thrust washer and bearing complete (d) Replacement of worn out bushes of submersible motor (e) Replacement of sand guard (f) Providing of sleeves in end plate of submersible Pump (g) Replacement of grommet (h) Replacement of water seal (j) Lathe work of motor shaft to bring it to original size and shape and plastering of shaft of submersible motor for smooth functioning on desired amps.

Material and labour for Painting of motor pump base discharge line and suction line complete with all accessories including panel board, scrapping thoroughly existing corroded paint and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and as directed by Engineer-in-Charge.

Supply and fix in repairs fully automatic star delta starter suitable for 40 HP motor in sheet steel enclosure type MN with Single Phase Protection feature (Motor Rating AC-3 Duty, 415V, 50Hz, 3-Ph) complete all as specified and as directed by Engineer-in-charge. Make: Make: Havells / Legrand / L&T / Siemens / C & S / ABB

Material and labour in repair Earthing complete with Galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of earth the plate not less than 1.5 metres below normal ground level, connected to plate with GI earth strip 25 x 3mm, 7.5 m long from earth point to test point and other end connected to control board / panel / equipment, laid under floors/plinths or fixed on walls or concealed in wall etc by means of bolts, nuts, check nuts and washers made out of galvanised iron or steel with provision of charcoal & common salt packed upto minimum 150 mm all around the earth plate and protected by 32 mm bore light grade galvanised iron pipe complete all as shown in electrical plate No.3 of MES schedule Part I, 2009 with PCC pit in PCC 1:2:4 type B1 using 20 mm graded stone aggregate, MS angle iron frame of size 50mm x 50mm x 5mm, cast iron cover with locking arrangements, GI 20 mm bore medium grade pipe and CI funnel with wire mesh for watering arrangement including necessary excavation and earth work in any type of soil/strata & testing complete all as specified and as directed by Engineer-in-Charge.

Supply and fix ML2 three pole power contactor (2NO + 2NC), coil voltage 415V, 50Hz complete all as specified and as directed by Engineer-in-Charge. Make: Havells / Legrand / L&T / Siemens / C & S / ABB

Supply and fix Foot Valve 50mm dia conforming to IS 4038 including necessary fixing arrangements including taking down complete all as specified and as directed by Engineer-in-Charge. Make: Sant BIR / Leader / Venus / Kartar

Supply and fix Foot Valve 80mm dia conforming to IS 4038 including necessary fixing arrangements including taking down complete all as specified and as directed by Engineer-in-Charge. Make: Sant BIR / Leader / Venus / Kartar

Supply and fix Foot Valve 100mm dia conforming to IS 4038 including necessary fixing arrangements including taking down complete all as specified and as directed by Engineer-in-Charge. Make: Sant BIR / Leader / Venus / Kartar

Material and labour for taking down unserviceable items of water level indicator of over head service tank of capacity 50000 gallons and carrying out repair / maintenance work including supply and fix following items all as specified and as directed by Engineer-in-Charge. (a) Copper ball (As per sample ) - 1 No (b) Nylon coated steel rope dia not less than 8mm - Approx 18RM (c) MS pulley with support (As per sample) approx - 10Nos (d) GI pipe for protection of nylon rope 20mm dia - 20RM (e) MS sheet & angles, frame channel with moving indicator arrangement including scale marked and with two coats of synthetic enamel paint over a coat of red zinc chrome primer etc.

Cutting the existing road/hard standing etc of any description of surface and excavation in trenches 30cm wide and 60cm depth for laying of water tubing and all as directed (The rate includes returning, filling, watering and ramming in layers and marking good the surface as the existing after laying of tubings)

Material and labour for trenchless cutting (Non Man Entry Type) by HDD (Horizontal Directional Drilling ) method for boring a hole under road, pavement, hard standing including laying of HDPE (High Density Polyethylene) pipe of 150mm dia suitable for 0.4 Mpa (Mega Pascal) working pressure complete all as specified as per the IS Codes of Practice suiting Indian Conditions published by the Indian Society for Trenchless technology from time to time and as directed by GE. Note : The entire trenchless equipment shall be operated by the contractor strictly as per manufacturer's operation manual and a copy of same shall be provided to GE by contractor.

Material and labour for providing plain cement concrete 1:2:4 type B1 using 20mm graded stone aggregate as filling of road cutting portion and mass concrete all as specified and as directed by Engineer-in-Charge.

Material and labour for repairing by welding of GI/CI pipe line of any size up to 150mm dia at various locations to prevent leakage of water by welding of flanged / sockets / collars, ferrule or at the joints of including GP Joint, T joint, sluice valves / air release valve / non return valves or damaged pipeline etc., including necessary excavation and returning and filling and making disturbed surface good complete all as specified and as directed by Engineer-in-Charge

Material and labour for repair to taking down the existing Aviation obstruction light and replacing new LED obstruction light fixed on top of OHT with necessary fixing arrangement and providing PVC insulated three core flexible on surface of water tank upto control MCB enclosure with MCB SPN 6Amps all as specified and directed by Engineer-in-Charge as per Make : Cat No SZPALMX-2 of Shakthi, or equivalent to CG, Bajaj

Supply and fix in repairs water pressure gauge of the range 0 to 10kg/cm2 complete all as directed by Engineer-in-Charge.

Supply, fix and jointing steel water tubing medium grade, galvanised iron with all fittings such as Tees, elbows, sockets, bends, unions, short pieces, nipples, brass nuts and diminishing pieces complete all as per IS 1239 including fixed to wall / ceiling or laid in floor with suitable size GI clamps including taking down existing GI pipe and making good disturbed surfaces as per existing surfaces complete all as specified and as directed by Engineer-in-Charge for following sizes: Make: Tata / Jindal / Surya Prakash / Zenith

(a) 15mm bore

(b) 20mm bore

Supply and fix in repair 15mm bore Bib taps, fancy type, chromium plated, cast copper alloy with crutch or butterfly handle, heavy duty, screwed down, screwed for iron pipe or for brass ferrule, conforming to IS complete all as specified and as directed by Engineer-in-Charge. Make: Jaquar / Seiko / Leader / Zoloto / Kohler / Marc

Supply and fix rotational moulded polyethylene water storage tank (Cylindrical vertical with closed stop), HDPE, triple layered with ISI marked of 500 ltrs capacity with inlet & outlet connections, tank nipple, bends, sockets etc, hoisted and fixed in position including taking down existing unserviceable PVC water tank complete all as specified and as directed by Engr-in-Charge. Make: Sintex / Infra / Ashish Plast / Yash Engineering Works, Pune 09422007879 / Plasto

Supply and fix rolled mild steel sections as in framework of water tanks and similar work including all necessary drilling, bolting, welding or riveting etc conforming to Fe.290 Gde-E-165 complete all as specified and as directed by Engineer-in-Charge.

Material and labour for providing plain cement concrete 1:4:8 type D2 using 40mm graded stone aggregate as foundation and mass concrete all as specified and as directed by Engineer-in-Charge.

Material and labour for preparing new steel surfaces of any description, over 10 cm width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed by Engr-in-Charge. Make: Asian Paints/Nerolac Paints/Berger Paints/Shalimar Paints

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