8931 REPAIRS AND REPLACEMENT OF GI/CI PIPE LINE, AND CONNECTED WORKS AT DGQA MD ACCN GHATKOPAR UNDER GE NORTH MUMBAI

Amount

Material and labour for desludging / desilting of underground sedimentation reservoir of 150000 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 exceeding 50 mts complete all as specified and as directed by Engineer-in-Charge.

All as per item No. 1 described here-in-before but 60000 Gallons capacity

All as per item No. 1 described here-in-before but 10000 Gallons capacity

All as per item No. 1 described here-in-before but 5000 Gallons capacity

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

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, 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) 50mm bore GI pipe

(b) 40mm bore GI pipe

(c) 25mm bore GI pipe

(d) 20mm bore GI pipe

(e) 15mm bore GI pipe

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, laid in trenches 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) 50mm bore GI pipe

(b) 40mm bore GI pipe

Supply, lay and jointing new Cast Iron pipe, centrifugally cast (spun), class A, 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.

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

Material and labour for cutting of CI pipe upto 100 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.

Material and labour for cutting of CI pipe upto 150 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 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) 100mm dia

(b) 150mm dia

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.

Demolition of brick work masonry, built in cement mortar or cement lime mortar including all quoins, arches and removing of debris outside MD land complete all as specified and as directed by Engineer-in-Charge.

Material and labour for construction of new valve chamber of size 900mm x 900mm x 900mm ( Internal size), 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

Material and labour for dismantling and disconnecting 20 HP 3phase pump set from pump house, transporting to authorised workshop for repair and servicing including replacement of worn out bearing, bushing, remetalling, grinding, polishing of pump shaft as required and other parts such as unserviceable foundation bolts, nuts and washers of existing size and applying two coats of synthetic enamel paint, testing and refixing on completion of repair work and carrying out necessary repairs/replacement of motor as following all as specified and as directed by Engineer-in-Charge: (a) Remetalling the pump shaft made out of HCS (b) Fabrication of gland and replacement of gland cup made out of gun metal as per existing item (c) Fabrication and replacement of gun metal shaft sleeves as per existing item (d) Fabrication and replacement of neck ring made out of gun metal as per existing item (e) Replacement of suction plate studs by making new threads (f) Rewinding of motor as per standard insulated copper winding wire (g) Replacement of worn out bearings of motor both sides (h) Repair and replacement of impeller with replacement of worn out bearings

All as per item No. 19 described here-in-before but 10 HP pum set

Supply and fix cast iron body non return valve 80mm dia ISI marked, flanged both ends including necessary fixing arrangements, jointing materials including taking down complete all as specified and as directed by Engineer-in-Charge. Make: Zoloto / Leader / Venus / Kartar / Kirloskar / Jindal

M/s Qureshi Construction Co