REPAIR MAIN OF WATER DISTRIBUTION PIPELINES UNDER GE 872 EWS

Amount

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or water supply pipes lines etc or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

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

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

Taking up cast iron water mains (including all fittings), 100 mm nominal size, with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and as directed.

Taking up cast iron water mains (including all fittings), 80 mm nominal size, with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and as directed.

M & L for 3- layer PP-R (Polypropylene random copolymer) pipes 110 mm dia outer dia ,SDR 7.4 (PN-16) pipes UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including fittings PP-R plain & brass threaded type polypropylene random laid in trenches/floor at places where directed complete all as specified and directed.

M & L for 3- layer PP-R (Polypropylene random copolymer) pipes 63 mm dia outer dia ,SDR 7.4 (PN-16) pipes UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including fittings PP-R plain & brass threaded type polypropylene random laid in trenches/floor at places where directed complete all as specified and directed.

M & L for 3- layer PP-R (Polypropylene random copolymer) pipes 32 mm dia outer dia ,SDR 7.4 (PN-16) pipes UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including fittings PP-R plain & brass threaded type polypropylene random laid in trenches/floor at places where directed complete all as specified and directed.

M & L for 3- layer PP-R (Polypropylene random copolymer) pipes 25 mm dia outer dia ,SDR 7.4 (PN-16) pipes UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including fittings PP-R plain & brass threaded type polypropylene random laid in trenches/floor at places where directed complete all as specified and directed.

M & L for 3- layer PP-R (Polypropylene random copolymer) pipes 20 mm dia outer dia ,SDR 7.4 (PN-16) pipes UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including fittings PP-R plain & brass threaded type polypropylene random laid in trenches/floor at places where directed complete all as specified and directed.

M & L for non-rising stem type sluice valves having double flanged for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 of preferred materials, nominal size 100 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

S & F PP-R Gate valves (brass insert), 63 mm nominal size complete all as specified and as directed.

S & F PP-R Gate valves (brass insert), 32 mm nominal size complete all as specified and as directed.

S & F PP-R Gate valves (brass insert), 25 mm nominal size complete all as specified and as directed.

M & L for construction of new valve chamber of size 1000 mm X 1000 mm X 1000 mm including necessary earth work in any type of soil, PCC foundation M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate as in base concrete, brick work (one and half brick thick) in CM 1:6 with 20 mm thick cement plaster internally and externally in two coats of (12 mm and 8 mm) in cement mortar 1:4, 100 mm thick RCC cover in M15 (Nominal mix) using 20 mm nominal size graded crushed stone aggregate reinforced with 8 mm dia TMT bars both ways @ 150 mm c/c spacing, handle made with 10 mm dia bar bent in shape of channel with outside projection (100 mm X 200 mm X 200 mm) embedded in RCC, 100 mm thick flooring in PCC M7.5(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate over 75 mm thick hardcore, painting exposed steel surfaces with two coats of bituminous paint and embedded surfaces of steel with two coats of tar, finishing exposed faces of concrete surfaces and plaster surfaces with three coats of white wash as per drawing No. TD/EM/6 sheet Nos 1/2 & 2/2 of HQ CE Shillong Zone complete all as specified and as directed.

M & L for construction of new valve chamber of size 600 mm X 600 mm X 600 mm including necessary earth work in any type of soil, PCC foundation M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate as in base concrete, brick work (one and half brick thick) in CM 1:6 with 20 mm thick cement plaster internally and externally in two coats of (12 mm and 8 mm) in cement mortar 1:4, 3 mm thick mild steel cover of structural steel of grade E165 as per IS 15911: 2010 riveted with angle iron (50 mm X 50 mm X 6 mm) frame of structural steel of grade E165 as per IS 15911: 2010, frame welded to base plate of size 150 mm X 12 mm and made of structural steel of grade E165 as per IS 15911: 2010, base plate fixed with 300 mm thick PCC coping in M15(Nominal Mix) using 20 mm nominal size graded crushed stone aggregate 50 mm X 50 mm X 6 mm mild steel washer, PCC benching 200 mm thick in M15(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate with necessary, welding, riveting, bolting including painting exposed steel surfaces with two coats of bituminous paint and embedded surfaces of steel with two coats of tar, finishing exposed faces of concrete surfaces and plaster surfaces with three coats of white wash as per drawing No. TD/EM/6 sheet Nos 1/2 & 2/2 of HQ CE Shillong Zone complete all as specified and as directed.

Supply only calcium hypochlorite granule 65 % to 70 % chlorine grade I in air tight sealed plastic bags for treatment of drinking water complete all as specified and as directed.

M/s Singh enterprises