REPAIR/MAINT OF EXTERNAL WATER SUPPLY AT CHANDAN UNDER GE AF JAISALMER

Amount

Excavating in trenches in soft/loose soil , not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, electric cables, water supply pipe lines, poles, struts/stays,for shafts, wells, cesspits,manholes, pier holes, etc. n exc 10 sq m on plan and not exc 1.5 m in depth and getting outcomplete all as specified and directed

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

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point for soil complete all as specified and directed.

Supply, lay, joint and test in replacement 150mm bore Centrifugally Cast Ductile Iron Spun Pressure Pipes (Class K-7) with internal cement mortar lining and external zinc coating (130 gm/sqm minimum) and bituminous finish layer (minimum thickness 70 microns) with socket & spigot ends (ISI marked) conforming to IS 8329-2000 (latest revision) suitable for push on rubber gasket joint complete laid in trenches including taking down old unserviceable CI/DI pipe complete all as specified and directed. Note:- Unit rate qouted by the contractors/bidders shall be deemed to be included for joints and jointing materials.

Supply, lay, joint and test in replacement 100mm bore Centrifugally Cast Ductile Iron Spun Pressure Pipes (Class K-7) with internal cement mortar lining and external zinc coating (130 gm/sqm minimum) and bituminous finish layer (minimum thickness 70 microns) with socket & spigot ends (ISI marked) conforming to IS 8329-2000 (latest revision) suitable for push on rubber gasket joint complete laid in trenches including taking down old unserviceable CI/DI pipe complete all as specified and directed. Note:- Unit rate qouted by the contractors/bidders shall be deemed to be included for joints and jointing materials.

S&F CI/DI fittings (ISI marked) upto 150 mm bore such as bends (any type, radius & angle), Tapers any type (straight, bend, increasing, decreasing or double socket etc), Tee pieces, single branch, “Y” junction, double branch, cross (all sockets or socket & spigot), collars, caps & plugs suitable for spigot & socketed pipes, fixed in repairs, complete all as specified and directed.

S&F in replacement 80mm bore Cast Iron body Sluice Valve, heavy duty, class ‘PN-1.6’, ISI marked with confirming to IS-14846-2000, both flanged ends and drilled, high tensile stainless steel spindle, Cast Iron gate with brass ring, non rising type, cast iron wheel handle, cast iron cap, complete with 3mm thick neoprene rubber gasket joint and nuts, bolts (high tensile), washers etc, and testing, including dismantling & taking out old unserviceable sluice valve of 80mm bore, complete all as specified and directed.

S&F in replacement 100mm bore Cast Iron body Sluice Valve, heavy duty, class ‘PN-1.6’, ISI marked with confirming to IS-14846-2000, both flanged ends and drilled, high tensile stainless steel spindle, Cast Iron gate with brass ring, non rising type, cast iron wheel handle, cast iron cap, complete with 3mm thick neoprene rubber gasket joint and nuts, bolts (high tensile), washers etc, and testing, including dismantling & taking out old unserviceable sluice valve of 100mm bore, complete all as specified and directed.

S&F in replacement 150mm bore Cast Iron body Sluice Valve, heavy duty, class ‘PN-1.6’, ISI marked with confirming to IS-14846-2000, both flanged ends and drilled, high tensile stainless steel spindle, Cast Iron gate with brass ring, non rising type, cast iron wheel handle, cast iron cap, complete with 3mm thick neoprene rubber gasket joint and nuts, bolts (high tensile), washers etc, and testing, including dismantling & taking out old unserviceable sluice valve of 150mm bore, complete all as specified and directed.

Construction of stone masonary valves pit of size 1200mm x 1200 mm x 1200mm (internal dimention of chamber) made with bulit in cement mortar 1.6 for sluice valve chamber including necessary excavation, foundation concrete in PCC 1:4:8 type D2 using 40mm graded stone aggregate for foundation and 15mm thick inside cement plaster in cement mortar (1:4) with floating coat of neat cement slurry, coping and benching in PCC (1:2:4) type B-1 using 20mm graded stone aggregate including necessary form work with MS frame with angle iron 50x50x6 mm and cover of MS sheet 3.15mm thick and locking arrangement including tarring and painting (where required) the steel surface with two coats of synthetic enamel paint over a coat of red oxide primer complete as specified and directed.

Construction of stone masonary valves pit of size 900mmx 900mm x 900mm (internal dimention of chamber) made with bulit in cement mortar 1.6 for sluice valve chamber including necessary excavation, foundation concrete in PCC 1:4:8 type D2 using 40mm graded stone aggregate for foundation and 15mm thick inside cement plaster with cement mortar 1:4 with floating coat of neat cement, PCC coping type B1 (1:2:4) using 20mm graded stone aggregate including necessary form work with MS frame with angle iron 50x50x6 mm and cover of MS sheet 3.15mm thick including tarring and painting (where required) the steel surface with two coats of synthetic enamel paint over a coat of red oxide prime complete as specified and locking arrangement directed.

S&F in replacement 25mm bore bib tap standard of PTMT any colour, high pressure, screwed for iron pipe including taking down old unserviceable bib tap complete all as specified and directed.

S&F in replacement 50mm bore Ball Brass Valve, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule complete all as specified and directed.

Supply, lay in trenches and joint in replacement 3 layer PP-R (Polypropylene random copolymer) concealed pipes SDR 7.4 (PN-16), UV stabilised and antimicrobial fusion welded having thermal stability for hot and cold water supply all PP-R plain and brass threaded polypropylene random fittings including taking down old unserviceable pipe for the following sizes complete all as specified and directed :-

20mm outer dia PP-R pipe

25mm outer dia PP-R pipe

40mm outer dia PP-R pipe

50mm outer dia PP-R pipe

90mm outer dia PP-R pipe

S&F in replacement Gate valve Polypropylene random (PPR) (brass insert) including taking down old unserviceable as per IS specification complete all as specified and directed of following sizes/dia:-

20mm outer dia

25mm outer dia

40mm outer dia

50mm outer dia

90mm outer dia

S&F in replacement 5000 litres capacity Rotational Moulded Polyethylene Water Storage Tanks (cylindrical vertical with closed top), triple layered, ISI marked, hoisted & fixed in position & making necessary arrangements for fixing inlet, outlet & over flow pipe & provision of wash out pipe etc. including 20mm dia ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed including taking down existing water storage tank complete all as specified and directed.

Repair and maintenance of water softening plant of capacity 23000 LPH with necessary T&P including servicing to raw water pump, replacement of Pebbles, Gravels, course sand, fine sand, salt, resin, multiport valve 65 NB (2.5" line size), butter fly valve, flow meter and pressure gauges as per sample complete all as specified and directed.

Repair and maintenance of Reverse Osmosis (RO) Plant of capacity 2000 LPH with operating pressure 12 to 13 bar, feed flow 4000 LPH including servicing to raw water pump, High pressure pump of capcity 4 HP, replacement of cartridge Filter of dia 4.5", length 20" capacity 4000 LPH, 5 micron to protect membrane -04 Nos, replacement of membrane 4" dia, 40" length - 08 Nos (Hydronautics CPA 2/ Polymed 4040/ Dow 4040), Pressure gauge of range 0-7 & 0-21 Kg/Sqcm - 04 Nos, replacement of filtering media silica quartz sand, Gravel, Pebbles & Activated carbon in 02 Nos vessels.

S&F in replacement of automatic chlorine dosing system with all arrangement complete all as specified and directed for the following : Make : Declibec model-ADS Duo / Aquafit or equivalent (a) Water inlet valve (b) Overflow valve (Rubber guard included) (c) Outlet valve for standalone gravity flow (d) Outlet valve with automated flow (e) Drain valve (f) Level controller (g) Capacity 200 litre (h) Shape cylindrical

S&F in replacement 0.5 HP capacity pressure booster pump, extruded aluminium single phase with discharge 2600 LPM, impeller forged brass, insulation class F, motor winding copper, RPM 2900, voltage range 170 to 270 V including taking down existing unserviceable pump complete all as specified and directed. Make Havells Cat Part HBTJSE2 or equivalent of same in the Appendix-B of Particular Specifications.

S&F in replacement 20mm bore steel water tubing `medium grade’ galvanized with and including all fittings, laid in trenches including taking up or down old unserviceable steel water tubing and connections complete all as specified and directed. Note :- Excavation & earthwork shall be measured and paid for separately under relevant items of this Schedule.

S&F in replacement 25mm bore steel water tubing `medium grade’ galvanized with and including all fittings, laid in trenches including taking up or down old unserviceable steel water tubing and connections complete all as specified and directed. Note :- Excavation & earthwork shall be measured and paid for separately under relevant items of this Schedule.

S&F in replacement 40mm bore steel water tubing `medium grade’ galvanized with and including all fittings, laid in trenches including taking up or down old unserviceable steel water tubing and connections complete all as specified and directed. Note :- Excavation & earthwork shall be measured and paid for separately under relevant items of this Schedule.

S&F in replacement 50mm bore steel water tubing `medium grade’ galvanized with and including all fittings, laid in trenches including taking up or down old unserviceable steel water tubing and connections complete all as specified and directed. Note :- Excavation & earthwork shall be measured and paid for separately under relevant items of this Schedule.

S&F in replacement 50mm bore Gun Metal Globe or Gate Valve with iron wheel head, screwed both ends, ISI marked including taking down existing unserviceable GM valve complete all as specified and directed.

S&F in replacement 40mm bore Gun Metal Globe or Gate Valve with iron wheel head, screwed both ends, ISI marked including taking down existing unserviceable GM valve complete all as specified and directed.

S&F in replacement 25mm bore Gun Metal Globe or Gate Valve with iron wheel head, screwed both ends, ISI marked including taking down existing unserviceable GM valve complete all as specified and directed.

S&F in replacement 20mm bore Gun Metal Globe or Gate Valve with iron wheel head, screwed both ends, ISI marked including taking down existing GM valve complete all as specified and directed.

S&F in replacement 50mm bore Cast Iron Foot Valve (ISI marked) flanged end/threaded type (heavey grade) with rubber insertion sheet 3mm thick, nuts, bolts and washers including taking down old existing unserviceable foot valve complete all as specified and directed.

Preparation of existing old steel and iron painted surface of any description, over 10 cm width or girth , not otherwise described such as suction and delivery pipe lines at any height complete after scratching existing rusted surface, priming with one coat of red oxide zinc chrome primer and painting with one coat of synthetic enamel paint (superior quality) in blue colour all around the pipe lines complete all as specified and directed.

M/s Shree Construction Company