REPAIR TO EXTERNAL WATER SUPPLY SYSTEM AND ALLIED WORKS UNDER AGE E/M-II OF GE (N) MAMUN.

Amount

Excavation in trenches n.exc 1.5mtr wide and n.exc 1.5mtr deep in soft/loose soil and getting out for laying of pipes all as spd and directed.

Returning, filling in trenches including, spreading, levelling, watering and well ramming in layers n.exc 25cm thick all as specified and directed.

Removal of surplus soil to a distance n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as spd and directed.

Taking out CI/DI/MS pipe 200mm bore in any type, any length including fittings, control valves from the trenches/on pillars or in any condition and burning of lead joints for recovery of lead and relaying after cleaning, flushing segregation complete all as specified and directed. ( Excavation and earth work shall be measured and paid for separately).

All as per Srl item No 04 above but size of pipe 150mm bore dia.

All as per Srl item No 04 above but size of pipe100mm bore dia.

All as per Srl item No 04 above but size of pipe 80mm bore dia.

Supply and laying in trenches or on pillars including taking down cast iron pipes 150mm with spigot and socket ends centrifugally cast pipe class LA in any length, laid in trenches complete all as specified and as directed (Excavation / earth work if required, joints fittings shall be measured and paid for separately) Make : Electrosteel / Kesoram / Kalinga / Electrotherm / Rashmi / TATA

All as per Srl item No 08 above but size of pipe100mm bore dia.

All as per Srl item No 08 above but size of pipe 80mm bore dia.

Supply and laying in trenches / on pillar including taking out GI Pipe 50mm bore dia medium grade ISO marked including all fitting laid in trenches / pillar / on wall complete as per site requirement complete. Make : Jindal Parkash Surya / TATA

All as per srl item No 11 above but 40mm bore dia.

All as per srl item No 11 above but 25mm bore dia.

All as per srl item No 11 above but 20mm bore dia.

All as per srl item No 11 above but 15mm bore dia

M&L in replacement of cast iron fittings such as bends, tees, tapers, tailpieces, flanges, collars etc of any size and shape as per site requirement confirming to IS-1538 laid upto 150mm on trenches/on pillars complete all as specified and directed.

All as per Srl item No 16 above but above 150mm dia.

M&L in replacement of GI fittings of Tee, elbow, bend, reducer socket and union socket or nipple socket etc of size from 15mm to 80mm dia of ISI quality and all as specified and directed at site.

Supply and fixing in replacement of cast iron sluice valve PN-1.6 200mm bore dia with steel spendle and CI wheel flanged ends drilled holes including jointing material such as rubber gaskets, bolts, nuts & washers of suitable size all as specifed and directed. Make: Kirloskar/KSB/L&T/Zoloto

All as per Srl item No 19 above but 150mm bore dia.

All as per Srl item No 19 above but 100mm bore dia.

All as per Srl item No 19 above but 80mm bore dia.

Supply and fixing in replacement of cast iron non return valve 200mm bore dia flanged ends drilled holes including jointing material such as rubber gasket, bolts, nuts and washers of suitiable size complete all as specified and directed. Make:- Kirloskar/ Zoloto/ L&T/ KSB.

All as per srl item 23 above but 150mm bore dia.

Repair to Non return valve 200mm dia in position by replacement of UNSV parts such as Brass ring packing/Rubber packing , nuts, bolts, washers rubber insertion sheet complete all as required to make it functional all as directed.

All as per srl item 25 above but 150mm bore dia.

Supply and fixing in replacement of Gun metal gate valve 50mm dia with iron wheel head, screwed both ends for iron pipe fixing heavy duty ISI marked all as specified and directed. Make : Leader/ L&T/ Zoloto.

All as per srl item No 27 above but 40mm bore dia.

All as per srl item No 27 above but 25mm bore dia.

All as per srl item No 27 above but 20mm bore dia.

All as per srl item No 27 above but 15mm bore dia.

Supply and fixing in replacement of stop valve 20mm dia, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe fixing heavy duty ISI marked all as specified and directed. Make : Leader / L&T / Zoloto

M&L for brick masonary valve pit of size 105x105x105cm (internal dimensions of chamber) including 23cm thick wall built in CM 1:6, 15mm thick plain cement plaster internally in CM 1:4 and flush pointing externally as the work proceeds, PCC 1:5:10 type E-2 in foundation 156x156cm size 40mm thick PCC 1:2:4 type B-1 in floor, 50mm thick PCC 1:2:4 as coping over brick work, MS sheet cover with locking arrangement inluding lock of size 112x112cmx3 mm thick fixed to angle frame made out of 40x40x3mm angle iron, MS handle to sheet cover, MS hinges welded to frame and sheet cover, painted with two coats of synthetic black paint over a coat of red of red oxide primer on steel work, two coats of white wash on plaster work including excavation and earth work in any type of soil complete all asspecified and directed and internal and externally on steel work incl excavation and earth work all as specified and directed.

All as per Srl item No 33 above but size 90x90x105cm with suitable other dimensions.

All as per srl item No 33 above but size 60x60x90cm with suitable other dimensions.

M&L for repair cast iron 150mm spigot and socket pipe line fitting with run lead joint and making good / leakless the existing joint, returning filling will be down after testing the joint complete all as specified and directed. Note : Excavation and earth work shall be measured and paid for separately.

All as per srl item No 36 above but 100mm bore dia.

All as per srl item No 36 above but 80mm bore dia.

Supply only lead for extra filling in the CI pipe.

M&L for repair to cast iron 150mm flanged pipe line fitting with rubber or fibre board gasket and making good / leakless the existing joint, returning filling will be done after testing the joint complete all as specified and directed. (Note : Excavation and earth work shall be measured and paid for separartely).

M&L for brick masonary work for repair to valve pit/pillers with well burnt Sub class 'B' bricks in CM 1:6 all as specified.

M&L for cement plaster 1:4 10mm thick on fair face of brick work including scrubbing the external rough surface, complete all as specified.

M&L for PCC 1:2:4 type B-1 using 20mm graded stone aggregate finished even and smooth using extra cement 25mm thick, complete all as specified.

M&L for PCC 1:4:8 type D-2 by using 40mm graded aggregate thickness as required in foundation of brick pillars and repairable valve pit complete all as specified and directed.

Taking out VT pump / submersible from bore hole any discharge head any capacity / make inlcuding column pipe of 150mm bore and accessories, again lowering after development, refixing in position and testing complete all as specified. (Note : Development of the bore well shall be measured and paid for separately under respective item).

Development of borewell by means of pumping by Air Compressor of minimum pressure 10 Kg/Sqcm (Compressor to be arranged by Contractor at his own cost) until sand free water obtained / required yield) all as directed by Engr-in-charge.

Supply and laying in trenches or on pillars DI pipe 200mm bore dia centrifugally cast class K7 including Tyton joints in any length laid in trenches complete all as specified and as directed including taking out old unserviceable CI pipe. (Note : Excavation/earth work if required, joints fittings shall be measured and paid for separately). Make : Elecrosteel / Electrotherm / Rashmi / TATA

All as per Srl item No 47 above but 150mm bore dia.

All as per Srl item No 47 above but 100mm bore dia .

All as per Srl item No 47 above but 80mm bore dia.

Supply and laying in trenches or on pillars DI pipe 150mm bore dia flenged end centrifuglly/vertically cast class K7 including flanged joints in any length laid in trenches complete all as specified and as directed including taking out old unserviceable CI pipe. (Note : Excavation/earth work if required, joints fittings shall be measured and paid for separately). Make : Elecrosteel / Electrotherm / Rashmi / TATA

All as per Srl item No 51 but 100mm bore dia class K7.

All as per Srl item No 51 but 80mm bore dia class K7.

M&L in replacement of CI Air Release valve double H-7 100mm dia including jointing material such as rubber gasket, bolts, nut & washers, clamp etc of suitable size complete all as specified and directed.

A V BUILDERS

M/S MALHOTRA ENGINEERS

M/S INDIAN ELECTRICAL

M/S J N TRADERS

M/S PRAJAPATI ENGINEERS