REPAIR MAINTENANCE OF WATER SUPPLY AND ALLIED WORKS AT ZONE C AND E AREA UNDER GE CHENNAI

Amount

BOQ UPLOADED ON 07 FEB 2022

Excavation in trenches in soft/ loose soil n. exc. 1.50m wide and n. exc. 1.50m deep for taking out/ laying cables, CI/ GI/ DI/ HDPE pipe line and getting out complete all as specified and directed.

Excavation in trenches in hardstanding/ road cutting n. exc. 1.50m in depth for repairs/ laying of CI/ GI/ DI/ HDPE pipe line and removing the rubish off the premises complete all as specified and directed.

Returning filling in including spreading, leveling, watering & well ramming in layers not exceeding 25cm thick in soft/ loose soil complete all as specified and directed.

Removing excavated soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Taking out unserviceable CI pipe 80mm bore as in main from trenches including fittings/ fixtures like bend, Tee, Union, elbow etc. with socketed ends and lead joints including burning out joints complete all as specified and directed. Note: Excavation and earthwork will be measured and paid separately under appropriate items.

All as per item No. 5.00 above but 100mm bore CI pipe.

All as per item No. 5.00 above but 150mm bore CI pipe.

All as per item No. 5.00 above but 250mm bore CI pipe.

Taking out unserviceable GI pipe 15mm bore as in main from trenches including fittings/ fixtures like bend, Tee, Union, elbow etc. complete all as specified and directed.

All as per item No. 9.00 above but 20mm bore GI pipe.

All as per item No. 9.00 above but 25mm bore GI pipe.

All as per item No. 9.00 above but 40mm bore GI pipe.

All as per item No. 9.00 above but 50mm bore GI pipe.

All as per item No. 9.00 above but 80mm bore GI pipe.

All as per item No. 9.00 above but 100mm bore GI pipe.

Taking out unserviceable DI pipe 80mm bore as in main from trenches including fittings/ fixtures like bend, Tee, Union, elbow etc. with socketed ends and lead joints including burning out joints complete all as specified and directed.

All as per item No. 16.00 above but 100mm bore DI pipe.

All as per item No. 16.00 above but 150mm bore DI pipe.

Taking out unserviceable HDPE pipe 75mm dia as in main from trenches including fittings/ fixtures complete all as specified and directed.

All as per item No. 19.00 above but 110mm dia HDPE pipe.

All as per item No. 19.00 above but 160mm dia HDPE pipe.

Supply, laying and jointing 80mm bore cast iron pipes, centrifugally cast, class LA, conforming to IS-1536 of 2001 in any length laid in trenches or on supports including making alteration in existing/ new pipe line for insertion of new pipe, if necessary complete all as specified and directed.

All as per item No. 22.00 above but 100mm bore CI pipe.

All as per item No. 22.00 above but 150mm bore CI pipe.

All as per item No. 22.00 above but 250mm bore CI pipe. Note for item No. 22.00 to 25.00: Accessories and lead joints shall be measured and paid seperate.

M&L CI specials such as bends, tapers, straight, increasing/ decreasing or double socket/ flanged end collars, connecting pieces etc. for pipes upto 150mm bore as required at site all as specified and directed.

M&L CI specials such as bends, tapers, straight, increasing/ decreasing or double socket/ flanged end collars, connecting pieces etc. for pipes 200mm to 300mm bore as required at site all as specified and directed. Note for item No. 26 & 27: Lead joints and jointing material shall be measured and paid separately.

M&L for cement concrete (1:3:6) type C-2 using 40mm graded stone aggregate as in mass concrete in making good to damaged portion of road/ hardstanding complete all as specified and as directed.

Supply, laying, jointing and testing 15mm bore galvanised steel water tubing medium grade including provision of all pipe fittings such as bends, tees, elbows, reducers, unions, plugs, sockets etc. laid in trenches, fixed to walls or laid in floors etc. complete all as specified and directed.

All as per item No. 29.00 above but 20mm bore tubing

All as per item No. 29.00 above but 25mm bore tubing

All as per item No. 29.00 above but 40mm bore tubing

All as per item No. 29.00 above but 50mm bore tubing

All as per item No. 29.00 above but 80mm bore tubing

All as per item No. 29.00 above but 100mm bore tubing

Supply, laying, jointing and testing 80mm bore DI pipe class K7 with screw, socket joints with all fittings/ fixtures like bends etc. laid in trenches, making alterations in existing/ new pipes as required complete all as specified and directed.

All as per item No. 36.00 above but 100mm bore DI pipe.

All as per item No. 36.00 above but 150mm bore DI pipe.

Supply, laying, jointing and testing 75mm dia HDPE pipe of pressure rating 6Kg with socket joints with all fittings/ fixtures like bends, sockets, unions nipples etc laid in trenches, making alterations in existing/ new pipes as required complete all as specified and as directed.

All as per item No. 39.00 above but 110mm dia HDPE pipe.

All as per item No. 39.00 above but 160mm dia HDPE pipe.

M&L detection of leakage in 80mm dia CI/ DI water main by necessary excavation in any type of soil in any situation including bailing out leakage water by suitable means, repairs to pipe line by burning lead joint occuring at site including cutting, threading for addition/ alteration for insertion of fittings including necessary joints complete all as specified and directed.

All as per item No. 42.00 above but for 100mm bore pipes.

All as per item No. 42.00 above but for 150mm bore pipes.

M&L detection of leakage in 40mm/ 50mm dia GI water main by necessary excavation in any type of soil in any situation including bailing out leakage water by suitable means including cutting, threading for addition/ alteration for insertion of fittings complete all as specified and directed.

All as per item No. 45.00 above but for 80mm bore pipes.

All as per item No. 45.00 above but for 100mm bore pipes.

M&L detection of leakage in 80mm/ 110mm dia HDPE water main by necessary excavation in any type of soil in any situation including bailing out leakage water by suitable means including repair to pipe line by cutting and jointing/ inserting piece of pipe with necessary fittings complete all as specified and directed.

All as per item No. 48.00 above but for 160mm dia pipes.

M&L for flanged end joints for 80mm bore CI pipes with rubber or fibre board gasket of proper thickness including provision of nuts, bolts of suitable size and testing after completion complete all as specified and directed.

All as per item No. 50.00 above but for 100mm bore pipes.

All as per item No. 50.00 above but for 150mm bore pipes.

All as per item No. 50.00 above but for 200mm bore pipes.

M&L for run lead joints for 80mm bore CI pipes and fittings including cleaning of surface with wire brush, providing jute rope of proper size, checking and testing after completion complete all as specified and directed.

All as per item No. 54.00 above but for 100mm bore pipes and fittings.

All as per item No. 54.00 above but for 150mm bore pipes and fittings.

All as per item No. 54.00 above but for 250mm bore pipes and fittings.

S&F gun metal, globe or gate valve confirming to IS 778-1984 with iron wheel head, screwed both ends for 15mm bore iron pipe including all fittings/ fixtures like nipple, union etc. fixed in repairs complete all as specified and directed.

S&F gun metal, globe or gate valve confirming to IS 778-1984 with iron wheel head, screwed both ends for 20mm bore iron pipe including all fittings/ fixtures like nipple, union etc. fixed in repairs complete all as specified and directed.

S&F gun metal, globe or gate valve confirming to IS 778-1984 with iron wheel head, screwed both ends for 25mm bore iron pipe including all fittings/ fixtures like nipple, union etc. fixed in repairs complete all as specified and directed.

S&F gun metal, globe or gate valve confirming to IS 778-1984 with iron wheel head, screwed both ends for 40mm bore iron pipe including all fittings/ fixtures like nipple, union etc. fixed in repairs complete all as specified and directed.

S&F gun metal, globe or gate valve confirming to IS 778-1984 with iron wheel head, screwed both ends for 50mm bore iron pipe including all fittings/ fixtures like nipple, union etc. fixed in repairs complete all as specified and directed.

Supply & fixing cast iron sluice valve PN 1.6 conforming to IS 14846-2000 with stainless steel spindle, iron hand wheel & cap suitable for 80mm bore pipe with flanged ends, any pattern including nuts, bolts, rubber gasket, wheel etc. including taking down unserviceable sluice valve complete all as specified and directed.

Supply & fixing cast iron sluice valve PN 1.6 conforming to IS 14846-2000 with stainless steel spindle, iron hand wheel & cap suitable for 100mm bore pipe with flanged ends, any pattern including nuts, bolts, rubber gasket, wheel etc. including taking down unserviceable sluice valve complete all as specified and directed.

Supply & fixing cast iron sluice valve PN 1.6 conforming to IS 14846-2000 with stainless steel spindle, iron hand wheel & cap suitable for 150mm bore pipe with flanged ends, any pattern including nuts, bolts, rubber gasket, wheel etc. including taking down unserviceable sluice valve complete all as specified and directed.

M&L dismantling sluice valve from 80mm bore pipe line, replacement of brass spindle and check nuts, scratching out all internal surface deposits, servicing and refixing in position including testing complete all as specified and directed.

M&L dismantling sluice valve from 100mm bore pipe line, replacement of brass spindle and check nuts, scratching out all internal surface deposits, servicing and refixing in position including testing complete all as specified and directed.

M&L dismantling sluice valve from 150mm bore pipe line, replacement of brass spindle and check nuts, scratching out all internal surface deposits, servicing and refixing in position including testing complete all as specified and directed.

Testing of water samples for physical examination and chemical exmaination full test from TWADA/ Govt. approved laboratory complete as directed.

M&L construction of brick masonry valve pit chamber of inner dimension 900mm x 900mm x 1050mm suitable for valves upto 200mm size including 150mm thick PCC (1:4:8) type D-2 for foundation, brick work in cement mortar (1:6), 15mm thick internal rendering in cement mortat (1:4) mixed with water proofing compound, 50mm thick coping in PCC (1:2:4) type B-1, including necessary excavation and earth work including provision of MS sheet cover of thickness not less than 2.80mm on 50mm x 50mm x 6.0mm angle iron frame with locking arrangement, including painting MS surfaces with two coats of synthetic enamel paint over one coat of red oxide primer including demolition of old damaged valve pit complete all as specified and directed.

M&L for fabrication and replacement of cover for valve pit of inner dimensions 750mm x 750mm fabricated out of MS sheet of thickness 2.00mm with frame fabricated out of 50mm x 50mm x 6.0mm thick angle iron with locking arrangement including painting MS surfaces with two coats of synthetic enamel paint over one coat of red oxide primer including repair to brick work as required complete all as specified and directed.

All as per item No. 71.00 above but for valve pit of inner dimensions 1000mm x 1000mm.

Site clearance including cutting of grass, vegetation, bushes, weed, saplings etc. all as specified and directed.

S&F GI elbow for 15mm bore GI pipe all as specified and directed.

S&F GI elbow for 20mm bore GI pipe all as specified and directed.

S&F GI elbow for 25mm bore GI pipe all as specified and directed.

S&F GI elbow for 40mm bore GI pipe all as specified and directed.

S&F GI tee for 15mm bore GI pipe all as specified and directed.

S&F GI tee for 20mm bore GI pipe all as specified and directed.

S&F GI tee for 25mm bore GI pipe all as specified and directed.

S&F GI tee for 40mm bore GI pipe all as specified and directed.

S&F GI socket for 15mm bore GI pipe all as specified and directed.

S&F GI socket for 20mm bore GI pipe all as specified and directed.

S&F GI socket for 25mm bore GI pipe all as specified and directed.

S&F GI socket for 40mm bore GI pipe all as specified and directed.

S&F GI union for 15mm bore GI pipe all as specified and directed.

S&F GI union for 20mm bore GI pipe all as specified and directed.

S&F GI union for 25mm bore GI pipe all as specified and directed.

S&F GI union for 40mm bore GI pipe all as specified and directed.

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