PROVN OF COVERED DRAIN AT COOCH BEHAR MIL STN UNDER GE SOUTH BINNAGURI

Amount

Excavating over areas, n exc 1.5 m deep and getting out in soft/ loose soil complete all as per specified and as directed by Engineer-in-charge.

Excavating over areas for each additional 1.5 m or part thereof in depth beyond the first 1.5 n exc 3.0 m deep and getting out in soft/ loose soil complete all as per specified and as directed by Engineer-in-charge.

M&L for PCC 1:3:6 Type C2 (using 40mm graded crushed stone aggregate) as in foundation, filling and mass concrete complete all as per specified and as directed by Engineer-in-charge.

M&L for RCC M30 (Design mix) (using 20mm graded crushed stone aggregate) as in foundations, including rafts, footings, foundation beams, plinth beams, bases for columns, etc. basement slabs, under-reamed piles and mass concrete complete all as specified and as directed by Engineer-in-charge.

M&L for RCC M30 (Design mix) (using 20mm graded crushed stone aggregate) as in walls, retaining walls, basement walls, ballast walls and the like; any thickness; above top of footings; including attached pilasters and buttresses complete all as specified and as directed by Engineer-in-charge.

M&L for RCC M30 (Design mix) (using 20mm graded crushed stone aggregate) as in Slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and the like complete all as specified and as directed by Engineer-in-charge.

M&L for formwork to sides of concrete foundation, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams and similar work, vertical or to batter rough finished surface of concrete flat complete all as per specified and as directed by Engineer-in-charge.

M&L for Formwork to faces of walls, retaining walls, abutments, parapets and staircase railings and similar work including attached pillasters, buttresses, etc., vertical or to batter rough finished surface of concrete flat complete all as per specified and as directed by Engineer-in-charge.

M&L for formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work not exceeding 200 mm thick (horizontal or sloping) including edges rough finished surface of concrete flat complete all as per specified and as directed by Engineer-in-charge.

M&L for mild steel 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 mild steel wire (annealed) not less than 0.9 mm dia., or securing with clips, complete all as specified and as directed by Engineer-in-charge.

M&L for Mild steel TMT bars 6 to 8 mm dia. cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia., or securing with clips, complete all as per specified and as directed by Engineer-in-charge.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc 25cm in soft/ loose soil, complete all as per specified and as directed by Engineer-in-charge.

Removing excavated materials (soils) exceeding 250 m but n exc. 500 m and deposited, complete all as specified and as directed by Engineer-in-charge.

S&F of Reinforced concrete 300 mm bore pipes, class class NP2, laid and jointed complete with one collars laid in trenches, jointed and tested complete all as per specified and as directed by Engineer-in-charge.

S&F of Rolled mild steel in joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc. (cut to ordinary lengths i.e. within 20mm of the length indicated) and similar work conforming to Fe.410 -W Gde-E-250 quality Acomplete all as per specified and as directed by Engineer-in-charge.

S&F of 75 mm dia PVC (SWR) pipes single socketed, in any length, with rubber ring joints laid in trenches or in floors or as in weep hole etccomplete all as specified and as directed by Engineer-in-charge.

Excavation in trenches n. exc 1.5m wide and n. exc 1.5 m in depth for foundation etc or for shafts, wells, cesspits, manholes, pier holes etc n. exc 10 sqm on plan and n. exc 1.5m in depth and getting out in soft/loose soil complete all as per specified and as directed by Engineer-in-charge.

M&L for fly ash Modular brick work, straight or curved on plan exc. 6m mean radius in cement mortar 1:4, complete all as per specified and as directed by Engineer-in-charge.

M&L PCC 1:2:4, type B0 (using 12.5mm graded aggregate) as in in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs not provided for in cement concrete in roof kerbs or mud stops, water troughs and the like including weathering, slightly rounded or chamfered angles and throating including form work (straight or curved), complete all as per specified and as directed by Engineer-in-charge.

M&L for rendering 15 mm thick on fair faces of brick work or concrete surfaces in CM 1:4 including, surface even & fair without using extra cement, complete all as specified and as directed by Engineer-in-charge.

M&L for cement concrete type B-2, 1:2:4 (using 40 mm graded stone aggregate) as in surface channels and drains, complete all as specified and as directed by Engineer-in-charge.

M&L for Forming dummy/contraction joint with an initial saw cut of 3 mm soon after the concrete has set, upto a depth of 1/3rd to 1/4th the thickness of the slab, widening the first saw cut to 6 mm and 24 mm deep by using diamond bit cutter of appropriate size, straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris. Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant. Placing of closed cell, medium density, crossed linked polyethylene foam backup rod of 8 mm dia, application of bond breaker tape on top of back up rod for complete width of the joint and filled with polyurethane based sealant complying with BS- 5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor (MAF) OF +/- 30% having minimum 10 year performance guarantee, applying masked tape on the edges of joints and removing the masking tape after filling of sealant as per the method specified by the manufacturer, complete all as specified and as directed by Engineer-in-charge.

M/S A.B. MITRA

KAMALA INDUSTRIES

M/S ASHOK ENTERPRISE

R.MANJIT& CO

ANIL ENGINEERING CO

M/S JAGDISH PRASAD AGARWALA