PROVISION OF DRAIN FROM MAIN GATE TO T-6 AT NSD SEWRI

Excavation in trenches .n exc 1.5m wide and n exc. 1.5m in depth ; for foundation as in hard dense soil for drain/ culvert executed by JCB/requisite T&P. n exec 10 sq m on plan and n exec 1.5m in depth and getting out completed all as specified and directed Note:- Excavation to be carried out as per TD No - TD/2007/9

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc. 25 cm hard/dense soil all as specified and directed by Engineer-in -Charge

Removing excavated material exc. 1.50 km but n exc. 5 km and deposting outside MD land all as specified and directed by Engineer-in-charge

Removing excavated material n exc. 50m and deposting where directed at a level n exc. 1.5 m above the starting point all as specified and directed by Engineer-in-charge

M & L for hardcore of broken stones or boulders of gauge n exc 63mm, deposited, spread and levelled in layers n exec. 15 cm thick, watered and rammed to a true surface complete all as specified and directed.

M & L Cement concrete in foundations filling and mass concrete type C-2 1:3:6 (40 mm graded aggregates) complete all as speciified and directed by EIC

M&L for cement concrete type C-2 1:2:4 (20mm graded aggregate) in surface channels and drains finished smooth complete all as specified and as directed.

Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc.

M & L Pre- Cast cement concrete block masonry Type C1 1:3:6 (20 mm graded aggregate with solid blocks, exc 10 mm in width and setting in CM 1:6 complete all as specified and directed by EIC

M & L rendering 15 mm thick on fair faces of brick work, block masonry, concrete surfaces in CM (1:4) to be finished even and smooth (using extra cement) complete all as specified and directed by EIC.

S&F mild steel framed work such as grills, gratings, etc with end of bars shouldered and riveted, or forged into spikes, framed guard bars, barred iron doors, ladders , framed balusters, walk ways, railing, framed work of water tanks and similar work confirming to Fe-290 Gde E-165 including necessary welding

M&L for preparing new steel surfaces of any description exc 10cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zink primer all as specified and directed by EIC.

M & L for cement concrete 1:2:4, type B-1 (using 20mm graded stone aggregate) as in lintels upto 1.5 mm clear span, cills, steps; seismic other similar bands, plinth coursas, string courses , lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, beds & fixing of grill/ grating on drain wall, plates, kerbs, water troughs and the like in surfaces benching inlcuding weathering, slightly rounded or chamfered angles and throating as directed including necessary form work.

M&L TMT bars 10 mm and over cut to length, bent to shape required incl cranking, bending spirally for hooping for columns hooking ends and binding with MS wire (annealed) not less than 0.9mm dia quality confirming to all as specified & incl necessary welding as directed.

Formwork to edges of concrete flats, breaks in floors, openings in concrete walls, floors and ramps and sides of RCC/PCC bands in walls, horizontal or sloping, and similar work all exceeding 20cm wide.complete all as specified and directed by EIC.

M/L for RCC M30 (Design mix) Walls, retaining walls, basement walls, ballast walls and the like; any thickness; above top of footings; including attached pilasters and buttresses

Earth work in excavation by mechanical means (Hydraulic excavator) means over areas in ordinary rock (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5m, as directed by Engineer-incharge.

Forming embankments including raising (or lowering) earth, spreading in layers n exc. 30 cm thick; watering, ramming/rolling and finishing to required size, shape, etc., n exc. 1.5m high from base

M & L for preparation of new plastered surfaces of walls and applying two coats of white wash complete all as specified and directed

S & F for 450mm bore reinforcement concrete pipes, class NP-3, laid and jointed complete with collars complete all as specified and directed.

M & L for plain cement concrete 1:3:6 type C2 as in bed to drain pipe, 450mm bore inlcunding packing under and haunching against the sides of pipes after they are laid and tested including necessary shuttering and support to concrete.

M&L for Readymix Cement concrete work M30 (using 20mm graded stone aggregate) in field as per design mix, thickness of concrete incl nessary Construction joint 30mm deep x 10mm wide filled with sealing compound Grade 'A' complete all as specified and directed by EIC.