SPECIAL REPAIR, REPLACEMENT TO OLD VINTAGE WATER PIPELINE AT OMQ AND SMQ AREA AT AF STATION TAMBARAM

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth and getting out in soft/loose soil all as specified and as directed .

Returning, filling in using excavated soil including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick all as specified and as directed.

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

Taking up or down old CI Pipe from trenches of 150mm dia including fittings and branch connections if any, removal to stores for further disposal complete all as specified and directed.

All as per item No 4 above but CI/GI pipe of 100mm dia

All as per item No 4 above but CI/GI pipe of 80mm dia

All as per item No 4 above but GI pipe of 50mm dia

All as per item No 4 above but GI pipe of 40mm dia

All as per item No 4 above but GI pipe of 25mm dia

All as per item No 4 above but GI pipe of 20mm dia

Supply and laying in trenches Ductile Iron spigot and socket pipes as per IS:8329/2000 Class K7 including EPDM rubber gasket suitable for and including push on rubber gasket joint with inside cement mortar lining and outside Zinc bitumen coating of size 150mm dia bore complete all as specified and directed.

All as per item No 11 above but DI pipe of 100mm dia

All as per item No 11 above but DI pipe of 80mm dia

M&L rubber gasket joints suitable for 150mm dia DI pipes including jointing and jointing materials complete all as specified and directed

All as per item No 14 above but for DI pipe of 100mm dia

All as per item No 14 above but for DI pipe of 80mm dia

Supply and laying of GI Medium Grade pipe 50mm dia including necessary fittings such as bends, elbows, union etc in trenches complete all as specified and as directed.

All as per item No 17 above but GI pipe of 40mm dia

Supply and laying of GI Medium gde pipe 25mm dia including necessary fittings such as bends, elbows, union etc in Walls/ floor/ sump/wells/ roof complete all as specified and as directed.

All as per item No 19 above but GI pipe of 20mm dia

Supply and fix in repairs Gun metal globe or gate valves, with iron wheel head, screwed both ends for iron pipe of size 50mm dia complete all as specified and directed.

All as per item No 21above but of 40mm dia

All as per item No 21above but of 25 mm dia

All as per item No 21above but of 20 mm dia

Supply and fix in repairs CI sluice valve for 200mm bore pipes confirming to IS -14846 PN-1.0 non raising type both ends flanged with stainless steel spindle including jointing materials such as nuts, bolts washers and 3mm rubber gasket 02 Nos complete all as specified and directed.

All as per item No 25 above but 150mm dia

All as per item No 25 above but 100mm dia

All as per item No 25 above but 80mm dia

M & L cast iron fittings ISI marked such as bends (any type, radius any angle) tapers any type (straight or bend), increasing, decreasing or double socket etc) Tee pieces single branch, double branch, cross(all sockets and socket and spigot) collars, caps and plugs tail piece confirming to IS 1538/1993 complete all as specified and directed.

Cutting of existing road/ floor/ plinth/drain of any description of width and depth not exeeding 0.45 metre for taking out /laying of CI/DI/GI pipe line including necessary earth work excavation and making good the distrubed surface with PCC 1:3:6 type C1 using 20mm graded stone aggregate complete all as specified.

M&L for cutting of exiting CI pipe 100mm dia for taking 100mm dia branch connection by providing CI Tee of size 100x100x100mm all as specified and directed.

M&L for cutting of exiting CI pipe 100mm dia for taking 80mm dia branch connection by providing CI Tee of size 100x100x80mm all as specified and directed.

Construction of valve pit with one brick thick wall buil in CM 1:4 of pit 900x900x900mm sizes( Internal size) with150 mm thick PCC foundation in 1:3:6 over 75 mm thick hard core, including 15 mm thick CM (1:4) both internally and externally plastering and 3.0mm thick MS sheet cover and angle iron frame of size 40x40x6mm with locking arrangement including two coats of synthetic enamel paint over a coat of primer including angle iron frame necessary excavation and earth work etc complete all as specified and as directed.

Construction of valve pit with one brick thick wall buil in CM 1:4 of pit 1200x1200x1200mm sizes( Internal size) with150 mm thick PCC foundation in 1:3:6 over 75 mm thick hard core, including 15 mm thick CM (1:4) both internally and externally plastering and 3.0mm thick MS sheet cover and angle iron frame of size 40x40x6mm with locking arrangement including two coats of synthetic enamel paint over a coat of primer including angle iron frame necessary excavation and earth work etc complete all as specified and as directed.

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Sri Sankar Enterprises

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Banyan Engineers and Contractors