RESTORATION OF ALL SEWAGE/ DRAINAGE LINES INSIDE VIKRAM ENCLAVE AT HALDIA UNDER GE (I) (CGN) KOLKATA

Amount

Excavating in trenches n. exc. 1.5 m. 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 not exc. 1.5 m. in depth and getting out in soft/loose soil complete all as specified and as directed.

Excavating in trenches n. exc. 1.5 m. wide and n. exc. 3 m. in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n. exc. 10 sqm on plan and not exc. 1.5 m. in depth and getting out in soft/loose soil complete all as specified and as directed.

M & L PCC 1:4:8 type D2 type (using 40 mm graded crushed stone aggregate) as in foundation filling and mass concrete etc complete all as specified and directed.

Demolition of brickwork or stone/ boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and as directed.

M & L for Brickwork with fly ash bricks straight or curved on plan exc 6 m mean radius built in CM (1:6) using old size bricks complete all as specified and as directed.

M & L PCC 1:2:4 type B1 type (using 20 mm graded crushed stone aggregate) as in coping incl all necessary form work as required, complete all as specified and directed.

M & L rendering 15 mm thick on fair faces of brick work or concrete surfaces in CM 1:4 and finishing the surface even and smooth without using extra cement but with water proofing compound.

M & L providing precast cement concrete 1:2:4 type B1 using (20mm graded stone aggregate) as in cover slab for manholes) set in CM 1:6 complete all as specified and directed.

M & L Mild steel TMT bars 10mm 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 0.9mm dia or securing with clips complete all as specified and directed.

M & L for concrete bed to drain pipes of 150 mm bore including packing under end hunching against the sides of the pipes after their laid and tested in cement concrete 1:3:6 type C2 complete all as specified and directed.

Dismantling of 150 mm dia and breaking up drain pipes (Salt glazed ware, AC or reinforced concrete) set in cement mortar and taking out old pipe complete all as specified and directed.

M & L for 150 mm dia Reinforced concrete pipes, class NP2, laid and jointed complete wirh collars all as specified and directed.

M & Lfor concrete bed to drain pipes of 450 mm bore including packing under end hunching against the sides of the pipes after their laid and tested in cement concrete 1:3:6 type C2 complete all as specified and directed.

M & L for 450 mm dia Reinforced concrete pipes, class NP2, laid and jointed complete wirh collars all as specified and directed.

Returning filling including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/loose soil complete all as specified and as directed.

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

Cutting into existing manholes for 150mm dia pipe connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-l smooth finished, and reforming benching as required complete all as specified & as direcetd.

M&L PCC in foundations, filling and mass-concrete type C2 (1:3:6) using 40mm graded stone aggregate complete all as specified and as directed.

M&L PCC in surface channels and drains type B2 (1:2:4) using 40mm graded stone aggregate complete all as specified and as directed.

Material and labour for extra for forming fair finished drain or channel 55 cm inner girth in cement concrete using extra cement including forms, moulds mitred/stopped ends etc complete

Supply and fixed PVC (SWR) pipe 110 mm bore single socketed in any length with rubber rings joints laid in trenches or in floor complete all as specified and as directed.

Supply and fixed PVC (SWR) bends for 110 mm bore pipe (any radius) fitted with oval access door complete all as specified and as directed.

Supply and fixed in repairs 100 mm dia cast iron floor trap with gratings including jointing to waste pipe fixed in cement concrete type B-1 (1:2:4) including finished the good finish to disturb concrete surface complete all as specified and as directed.

Material and cleaning of drain pipe (SGSW/hume pipe) upto 150 mm dia by rodding from manhole and well flushing with water after cleaning the same all as directed and including disposing off the deposited sludge inside pipe from manhole to distance n. exc 200 mtr burried under necessary excavation of pits and returning filling in sprinkling of bleaching poweder and dressing of surplus soil around alop if any complete all as specified and as directed.

Taking out accumulatad garbage and other deposites such as broken bricks silt etc from manhole/gully trap of depth n.exc 1.5 mtr cleaning as directed and removing the same to a distance not exc 50 mtr and burried under necessary excavation of pits and returning filling in sprinkling of bleaching poweder and dressing of surplus soil around alop if any complete all as specified and as directed.

SANJAY KUMAR SUPAN (BID ID -3196461)