SPECIAL REPAIR FOR RESTORING/ STRENGTHENING/ IMPROVEMENT OF 300MM DIA MAIN DISTRIBUTION PIPE LINE AND OTHER CONNECTED WORKS NEAR KLP RIVER AT SUKNA UNDER GE SUKNA

Amount

Excavation in trenches/River Bed in soft/loose soil not exceeding 1.5 Metre wide & not exceeding 1.5 M in depth for foundation, laying of pipes and for inpendent pier holes etc not exceeding 10 Sqm on plan & not exceeding 1.5 Metre in depth and getting out, including trimming the sides and forming bottom surfaces to required levels, complete all as specified and directed.

All as per item No. 1 but depth exceeding 1.5 Metre & not exceeding 3.00 Metre.

Returning, filling in trenches including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick after laying of cable, pipe, etc, complete all as specified and directed.

Removing surplus excavated material (soil) to a distance not exceeding 50M and depositing where directed at a level not exceeding 1.5 meter above the starting point, complete all as specified and directed.

M&L for PCC 1:4:8 (type D-2 : using 40mm graded stone aggregates) as in foundation & mass concrete, sub-base below the RCC supports to rest the pipe line at/below river bed, including use & waste of necessary form work, complete all as specified and directed.

M&L for reinforced cement concrete (1:11/2:3) type A-1 (using 20 mm graded stone aggrgates) as in Foundation, including rafts, footings, foundation beams, plinth beams, mass concrete, supports to rest the pipe line at/below river bed, complete all as specified and as directed. Note:- Reinforcement and Form work shall be measured and paid for seperately.

Use & waste of Form work to sides of concrete foundations, footings, bases of columns, raft & raft beams, sides and soffits (if any) of foundation & plinth beams, concrete supports of pipe line and similar work, vertical or to batter, rough finished surfaces of concrete etc, at/below river bed, complete all as specified and as directed.

M&L for TMT bars 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia, or securing with clips etc, complete all as specified and as directed.

M&L for TMT bars 8 mm dia, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia, or securing with clips etc, complete all as specified and as directed.

Taking up existing CI/DI water mains, 300mm bore (including all fittings) (from trenches etc) and lead joints/tyton joints/flanged joints etc, including burning out joints and recovering lead, complete all as specified and as directed. Note:- (i) Excavation & earth work shall be measured and paid for separately. (ii) The payment for Excavation & earth work shall be paid for one time in case the location of old pipes and newly pipes to be provided vide item No. 11 here-in-after, is same.

Supply, laying & testing for 300 mm bore in trenches/ on the concrete supports/in vertical postition/ alongwith the wall / on the surfaces of floor etc, centrifugally cast (spun) Ductile Iron Pressure Pipes, class K-9, in standard lengths, with Socket & Spigot Ends, confirming to IS: 8329/2000 (with updated errata/amendments : ISI marked) with cement mortar lining inside the pipes& outside Zinc coating with finished layer of black bitumen/blue epoxy synthetic resin coating, as per manufacturer's instructions, complete all as specified and directed (Make of pipes : ELECTROSTEEL /JINDAL/TATA). Notes :- (i) Payment for DI fitings, Excavation & Earth work, joints & jointing materials shall be measured & paid for separately. (ii) The payment for Excavation and earth work shall be paid for one time in case the location of old pipes to be taken down vide Item No. 10 here-in-before and newly pipes to be provided vide above item, is same.

Supply, Fixing, Testing Ductile Iron fittings (ISI marked) for DI pipes upto 300mm bore, class K-9, with inside cement mortar lining and black bitumen external coating, such as bends, tapers, tee pieces, single branches, Y junctions, double junctions, connecting pieces, collars, caps, plugs, flanges etc as per manufacturer's instructions, complete all as specified and directed (Make : OF D.I. Fittings :ELECTROSTEEL/JINDAL/TATA). Note : The payment for Excavation & Earth work, joints & jointing materials shall be measured & paid for separately.

Supply, Fixing, testing cast iron fittings such as Bends, Tapers, Tee pieces, single branches, double branches, Y-junctions, cross, collars, caps, plugs, connecting pieces etc for C.I./D.I. pipes of any type/size, complete all as specified and as directed. Note : The payment for Excavation & earth work, joints & jointing materials shall be measured & paid for separately.

M&L for run lead joints for 300mm bore cast iron spigot and socket end pipes and fittings including testing, complete all as specified and as directed.

M&L for push on joints with rubber gasket etc for 300mm bore C.I./D.I. spigot and socket end pipes/ fittings as per manufacturer's instructions including testing, complete all as specified and as directed.

M&L for jointing of 300mm bore C.I./D.I. flanged end pipes and fittings with rubber or fibre board gasket, bolts, nuts, washers, white lead etc as per manufacturer's instructions including testing, complete all as specified and as directed.

M&L for socket leak resistance clamp suitable for 300mm bore pipe line with & including all accessories, complete all as specified and as directed.

Cutting of 300mm bore cast iron pipes in position with necessary tools and plants for insertion of new C.I./D.I. Fittings i.e. Tees, branches etc, complete all as specified and as directed. Note : The payment for New Fittings, joints & jointing materials shall be measured & paid for separately.

Supply, Fixing and Testing, ISI marked (with IS No 14846-2000), heavy duty, class PN 1.6, CI body Sluice Valve, with brass spindle and one number hand wheel for 300mm bore pipe/fittings, with both ends flanged duly jointed at both ends with and including jointing materials i.e rubber gasket, bolts, nuts, washers etc of suitable size, also including dismantling and taking out of existing sluice valve from 300mm bore pipe line, complete all as specified and directed.

Supply, Fixing & Testing, cast iron air release valve with double orifice 150mm bore, conforming to IS-14845-2000, suitable for 300 mm bore CI/DI pipe line including jointing & jointing materials i.e nuts, bolts and gasket etc as required, also including dismantling & taking out unserviceable air release valves, complete all as specified and directed.

M&L for construction of brick masonary valve chamber (Type IV), complete all in respects as shown on Drawing No. TD/80/10, and also dismantling of existing valve chamber/valve pit, disposing off the rubish, debris etc outside the premises, complete all as specified and directed. Notes :- (a) Thickness of the wall of the valve chamber shown in the drawing shall be deemed to be amended to the thickness for one brick thick wall using the bricks as specified in the Particular Specifications. (b) The valve chamber shall be constructed with the following specifications and as mentioned/shown on the drawing :- (i) PCC Lean Concrete/Foundation : 1:4:8, type D-2 (using 40mm graded stone aggregates). (ii) Brick work in CM 1:4. (iii) Internal surfaces i.e internal surfaces of lean concrete, brick work and external surfaces of brick work/concrete (upto 15 Centimetre below the ground level) shall be plastered with 15mm thick in CM 1:4, finished even & smooth without using extra cement. (iv) Excavation & Earth work in soft/loose soil and disposing of the surplus soil/earth 50 metres away from the premises. (v) PCC for coping etc : 1:2:4 type B-1 (using 20mm graded stone Aggregates). (vi) Steel & Iron work as per drawings duly painted with 2 coats of Anti-corrosive paint over 1 coat of red oxide primer. (vii) Rest all as shown on drawing and as directed.

M/S SR BUILDERS