REPAIR MAINTENANCES OF EXTERNAL WATER SUPPLY DISTRIBUTION SYSTEM AT VARUNAPURI AREA AND REPAIR MAINTENANCE OF SLUICE VALVES GATE VALVES PIPE LINES OF WATER DISTRIBUTION SYSTEM AT NOFRA UNDER AGE EM II OF GE NW VASCO

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REPAIR / MAINTENANCES OF EXTERNAL WATER SUPPLY DISTRIBUTION SYSTEM AT VARUNAPURI AREA AND REPAIR / MAITENANCE OF SLUICE VALVES, GATE VALVES, PIPE LINES OF WATER DISTRIBUTION SYSTEM AT NOFRA UNDER AGE E/M-II OF GE (NW) VASCO

Excavation in trenches n.exc 1.5M wide & n.exc 1.5m in depth for laying & removing of pipe any sizes and getting out in hard/dense soil all as specified.

All as per Item No.2 above but in soft disintegreted rock/ laterite rock.

Returning and filling including spreading leveling watering and well ramming in layers not exceeding 25 cm thick using hard/dense soil complete all specified and as directed.

Removing excavated material not exceeding 50 mtr and depositing where directed at all level not exc 1.50 mtr abovethe strating point complete all as directed.

Taking up old GI tubing and connection from the trenches / floor or walls of the following sizes complete all as specified and as directed :- Note:-Excavation & earth work not included same will be priced, measured and paid seperately under relevent items of Sch 'A'

80mm bore size

50mm bore size

40mm bore size

25 mm bore size

20mm bore size

Supply & laying GI Tube medium grade with all fitting (union, elbow, socket), flanges, nut & bolts laid in trenches complete of the following size

80mm bore size

50mm bore size

40mm bore size

25 mm bore size

20mm bore size

All as per item No. 7 but fixed to wall/Ceiling or laid on floor with all fitting (union, elbow, socket), flanges,nut & bolts of the following sizes :-

25 mm bore size

20 mm bore size

Supplying and laying of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors complete all as specified with all fitting (union, elbow, socket) of the following sizes :-

25 mm bore size

20 mm bore size

Laying only GI tube medium Grade obtained from item No. 6 above with all new fittings ISI marked laid in trenches complete of the following sizes :-

80 mm bore size

50 mm bore size

40mm bore size

25 mm bore size

20mm bore size

S&F in repairs gun metal gate valve with iron head wheel screwed both ends for iron pipe, fixed in repairs with ISI mark all as speicified and directed.

50mm size

40mm size

25mm size

20mm size

15 mm size

M&L for cutting existing steel tubing for alteration or addition (Each cut measured) of the sizes and screwing existing steel tubing for alteration of size 40/50mm bore size.

Taking up CI water mains (including all fittings) with spigot & socket ends including burning out lead joints all as directed for the following sizes :- Note : Earth work excavation & lead joints shall be measured & paid separately.

150 mm bore size

100mm bore size

Supply, laying, jointing and testing in trenches DI pipes class K-9 of standard length spigot and socketed end push type joint with rubber gasket as jointing material, internal cement morter cotting and external surface with bituminious paint ISI marked for followibng sizes all as specified & directed. laid in trenches complete :-

200mm bore size

150mm bore size

100mm bore size

Laying only CI pipes obtained from item No. 1.01 spigot and socket ends in any length laid in trenches complete after cleaning for following sizes :-

150mm bore size

100mm bore size

Cutting cast iron pipes and reducing to required length in position for insertion of new tees, branches etc for the following sizes:-

200 mm bore

150 mm bore

100mm bore size

M&L for fixing in repairs CI/DI specials such as Cast Iron bends (any type, radius and angle), tapers (any type i.e straight, bend, increasing or decresing or double socket etc) Tee pieces single branch, 'Y' junction, double branch, cross, collar, caps, connecting pieces up to 300 mm dia

M & L Lead wool joints suitable for spigot & socketed CI Pipes and caulking the joints properly for avoiding leakage etc for the following sizes as directed :- Note: Excavation if required shall be measured and paid seperately

200mm bore size

150mm bore size

100mm bore size

S&F in repairs CI sluice valve PN 1.6 double flanged and drilled, heavy duty with Stainless steel spindle cast iron wheel including necessary joining material, nuts, bolts & washers with rubber insertion/ packing on both ends for the following

Bore of pipe 200mm

Bore of pipe 150mm

Bore of pipe 100 mm

Bore of pipe 80 mm

Opening stuffing box of sluice valve and S&F new Stainless steel spindle with check nut fabricated out of superior quality all as per sample as required at site including replacement of unserviciable rubber gasket, bolts, nuts & washers suitable for following size of sluice valves:-

Bore of pipe 200mm

Bore of pipe150mm

Bore of pipe100mm

Bore of pipe 80mm

M & L in repairs cast iron detachable joint (CID) / tapping saddle joint clamp type with suitable tapping siutable for the following sizes :-

Bore of pipe 200mm

Bore of pipe150mm

Bore of pipe100mm

M & L for run lead joint for cast iron spigot and socket pipes and fitting of size 200mm bore including taking down existing lead joint complete all as specified and directed.

M & L for run lead joint for cast iron spigot and socket pipes and fitting of size 150mm bore including taking down existing lead joint complete all as specified and directed.

M & L for run lead joint for cast iron spigot and socket pipes and fitting of size 100mm bore including taking down existing lead joint complete all as specified and directed.

M & L for run lead joint for cast iron spigot and socket pipes and fitting of size 80mm bore including taking down existing lead joint complete all as specified and directed.

S & F in repair cast iron 125 mm bore foot valve heavy duty nominal pressured rating PN-1.0, conformed to IS 4038 complete all as specifed and directed.

S & F in repair cast iron 100 mm bore foot valve heavy duty nominal pressured rating PN-1.0, conformed to IS 4038 complete all as specifed and directed.

Supply & fixing PVC low pressure float valve accessories complete with epoxy coated aluminium rod and H.D ball of following sizes:-

20 mm bore size

25 mm bore size

M&L providing cement concrete type B1 (1:2:4) using 20mm graded stone aggregate as in roof kerbs or mud stops, base for valve pit, making good the road cutting and like, rounded or chamfered on edges all as specified and directed

M & L rendering 15 mm thick plaster in CM 1:6 on brick work or concrete surface, finished even & smooth without using extra cement all as specified and directed.

M&L Painting to UG sump /OH Tank manhole cover with two coats of synthetic enamel paint over a coat of red oxide primer including preparation of surfaces etc all as specified and directed

Repair of valve chamber by cleaning and removing small bushes inside and surrounding the valve chamber and necessary brick works, plastering in cement mortar 1:4, painting with antifungal paint of 2 coats inside and out side including dismantling of unserviceable MS sheet cover, S & F new MS sheet cover of 3.15mm thick with 2 coats of synthetic enamel paint over a coat of red oxide to steel surface and locking arrangements, including necessary welding 60 cm x 60 cm x 60 cm (internal dimension) all as directed.

All as per item No. 32 but of size 90x90x90 cm (internal dimension)

All as per item No. 32 but of size 120x120x90 cm (internal dimension)

M&L for cutting of shrubs and bushes including surface dressing not exceeding 15cm deep in soft/loose soil including cutting and removal of unwanted grass hard/ dense article/ small trees and ramming and watering after leveling of complete surrounding area of pump house bldg inside of perimeter wall complete all as specified and directed. Note: Entire area to be cleaned quarterly and measurement also will take accordingly or as directed by Engineer-in-Charge

M & L for painting of valve chamber of any size with two coats of antifungal paint inside and outside of chamber and chamber cover with two coats of synthetic enamel paint over one coat of red oxide primer including replacement of rusted / damaged metal hinges / locking by welding with valve chamber frame and removing small bushes and grass inside & outside of valve chamber all as specified and directed

M & L for construction of brick masonary valve pit chamber of size 600 mm x 600 mm x 600 mm (internal dimension) including necessary excavation and earthwork, PCC 1:4:8, brick work in cement motar 1:4, 12 mm thick rendering in cement mortar 1:4 on internal surface of valve pit and mild steel sheet cover 05mm thick and mild steel angle iron frame size 50mm x 50 mm x 06mm around of valve pit, locking arrangement with pad lock of size 50 mm brass, 6 leavers and key (Make : Godrej) complete including two coat of synthetic enamel over a coat red oxide primer on steel surface with preparation of surface and including dismantling of existing valve pit complete all as specified & directed.

All as per item No.37 but of size 900mm x 900mm x 900 mm (internal dimension)

All as per item No. 37 but of size 1050mm x 1050mm x 1050 mm (internal dimension)

Leela Enterprises (BID ID -3188647)

M/S. NAVEEN ENGINEERING & CO (BID ID -3188200)