SPECIAL REPAIR TO DRAINS AND REJUVENATION OF WATER RECHARGE SYSTEM AT AF STN FARIDABAD IN AOR OF GE (AF) FARIDABAD

Amount

Excavation in trenches n. exc 1.5 mtr wide & n. exc 1.5 mtr depth; for foundations, etc. n. exc. 10 sqm on plan and n. exc. 1.5m in depth and getting out in hard/dense soil, complete all as specified and directed by Engineer-in-Charge

Removing excavated soil to a distance not exceeding 250 metre and depositing where directed at a level not exc 1.5 meter above starting point complete all as specified and directed by Engineer-in-Charge

Returning, filling in, including spreading, leveling, watering and well ramming in layers n. exc 25 cm thick in hard/dense soil, complete all as specified and directed by Engineer-in-Charge

M&L, Hardcore of broken stone or boulders gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface, complete all as specified and directed by Engineer-in-Charge

Demolition of cement concrete (unreinforced) in ground floors and paving not exc. 15 cm thickness (below or above ground level), including removal of rubbish outside MoD land, complete all as specified and directed by Engineer-in-Charge

M&L, Cement concrete type D-2, 1:4:8 (using 40 mm graded stone aggregate) in sub base of flooring/ hard standing, foundations, filling and mass concrete, complete all as specified and directed by Engineer-in-Charge

M&L, Cement concrete 1:2:4 type B-1 using 20 mm graded stone aggregate in kerbs or mud stops,coping, rounded or chamfered on edges including necessary form work complete all as specified and directed by Engineer-in-Charge

M&L, Cement concrete in surface channels and drain 1:3:6 type C-2 using 40 mm graded stone aggregate including necessary form work complete all as specified and directed by Engineer-in-Charge

Demolition of brick work or stone masonry, built in cement mortar including all quoins, pillars etc complete all as specified and directed by Engineer-in-Charge

M&L, Brick work with sub class ‘B’ bricks, old size bricks, straight or curved on plan exceeding 6 m mean radius, built in cement mortar 1:6, complete all as specified and directed by Engineer-in-Charge

M&L, Brick work with sub class ‘B’ bricks, old size bricks, straight or curved on plan to any radius in brick-on-edge walls(less than 1/2 brick), built in cement mortar 1:4, complete all as specified and directed by Engineer-in-Charge

M&L, Brick work with sub class ‘B’ bricks, old size bricks, straight or curved on plan to any radius in half brick thick walls, built in cement mortar 1:4, complete all as specified.

Taking down cement plaster on brick walls & concrete surfaces & the like including raking out joints, hacking for key, scrubbing down with water etc., any description, including removal of rubbish outside MoD land ,complete all as specified and directed by Engineer-in-Charge

M&L, Rendering 15 mm thick in cement mortar 1:6 on faces of brick work or concrete surfaces, finished even and smooth without using extra cement, complete all as specified and directed by Engineer-in-Charge

M&L, Removing/taking out the mud, soil, debris, leaves, grasses,or any type of filling present in drain bed, culvert or rain harvesting pits,etc, upto a depth of 30 cm, present at depth n exc 2.5 m and taking the removed material to a distance not exceeding 2.50 km, complete all as specified and directed by Engineer-in-Charge

M&L, Loose filling with broken brick bats aggregates of gauge 80 to 150 mm in soakage pits,rain harvesting pits,etc, and levelling it plain on top surface, complete all as specified and directed. Note - Item includes the cost for removing old brick bats from rain water harvesting pit and replacing it with new brick bats complete all as specified and directed by Engineer-in-Charge

S & F, in repair 110 mm bore PVC (SWR) Soil, waste and vent pipes single socketed in any length with rubber ring joints laid in floors or trenches orin walls,complete all as specified and directed by Engineer-in-Charge

S & F Mild steel work in framed work such as grills, gratings,framed guard bars, ladders etc., with ends of bars shouldered and/ or riveted, or forged into spikes, and similar work confirming to Fe 290 Grade-E-165 complete all as specified and directed by Engineer-in-Charge

M&L for preparation of new or previously untreated steel surfaces of any description, over 10 cm width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed by Engineer-in-Charge

M&L applying two coats of cement base paint over a coat of cement based primer including preparation of newly plastered surfaces complete all as specified and directed by Engineer-in-Charge

S&F, in repair, Reinforced concrete pipes, class NP2, 300 mm, laid and jointed complete with collars,complete all as specified and directed by Engineer-in-Charge

S&F, in repair, Reinforced concrete pipes, class NP2, 450 mm, laid and jointed complete with collars,complete all as specified and directed by Engineer-in-Charge

Racking out joints/pointing to brick work in walls or to bricks on edge in floors, surface channels, roofs, etc. in cement motar, complete all as specified and directed by Engineer-in-Charge

M&L, Flush pointing to brick work in walls or to bricks on edge in floors, surface channels, roofs, etc. in cement motar 1:4, complete all as specified and directed by Engineer-in-Charge.

M&L boring and lowering of 150mm dia PVC perforated pipe with stainer with net 0.5 -1 mm size. The bore should be up to depth of aquifer level, complete all as specified and directed by Engineer-in-Charge. Note : Bore should be done as per dia of perforated pipe i.e 150mm.

RRR CONSTRUCTIONS

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