86494E8 PROVISION OF DRAINAGE SYSTEM AT MANAPPAKAM UNDER GE STM CHENNAI.

Amount

BOQ UPLOADED ON 06 NOV 2021

SCH "A" (SEWAGE WORKS)

Surface excavation not exceeding 30 cm deep averaging 15 cm deep and getting out in any type of soil complete all as specified and as directed.

Earthwork in excavation by mechanical means (hydraulic excavator) in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50m in any type of soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm in any type of soil complete all as specified and as directed.

Spreading and levelling sand below interlocking paver block paving as cushioning, complete all as specified and as directed.

Hardcore of gauge not exceeding 63mm of broken stone aggregate, deposited, spread and levelled in layers not exceeding 150mm thick, watered and rammed to a true surface complete all as specified and as directed.

Plain cement concrete, 1:4:8, type D2, using 40mm graded stone aggregate as in foundations, filling and mass concrete complete all as specified and as directed.

Plain cement concrete, type B1, 1:2:4, using 20mm graded stone aggregate as in roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and as directed.

Plain cement concrete, type B1, 1:2:4, using 20mm graded stone aggregate as in bed blocks, coping and the like including weathering, slightly rounded or chamfered angles and throating and necessary formwork complete all as specified and as directed.

Pre-cast reinforced cement concrete, 1:2:4, type B1, using 20mm graded stone aggregate as in cover slabs with plain fair faces, including chamfers, weatherings, throating etc., and setting in cement mortar (1:6) complete with joints to match complete all as specified and as directed.

Notes:-

(a) The rate is inclusive of finishing the exposed surfaces as per clause 4.11.16 of MES Schedule Part-I.

(b) Reinforcement shall be measured and paid separately as applicable.

Extra for forming fair finished drain or channel of 30cm inner girth in cement concrete using extra cement, including forms, moulds, mitred / stopped ends etc., complete all as specified and as directed.

Add or deduct for each 25mm or part thereof over or under 30cm inner girth in cement concrete using extra cement including forms, moulds, mitred / stopped ends etc., complete all as specified and as directed.

Brickwork with fly ash bricks, old size, straight or curved on plan exceeding 6m mean radius built in cement mortar 1:4 of designation 50 complete all as specified and as directed.

Mild steel TMT bars 10mm dia & 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 as in main reinforcement complete all as specified and as directed.

Mild steel TMT bars 6mm to 8mm 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 0.9mm dia or securing with clips as in main reinforcement complete all as specified and as directed.

Rolled mild steel of grade Fe-290 (Gde-E-165) as in framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing complete all as specified and as directed.

Rolled mild steel of grade Fe-290 (Gde-E-165) as in plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, riveted, bolted or welded complete all as specified and as directed.

Plain cement concrete, 1:4:8, type D2, using 40mm graded stone aggregate, 100mm thick as in sub-base complete all as specified and as directed.

Plain cement concrete, average 40mm thick, type B1, 1:2:4, using 20mm graded granite stone aggregate as bed of drains, surface finished fair and even complete all as specified and as directed.

Plain cement concrete, 1:3:6, type C2, using 40mm graded stone aggregate, 100mm thick as in sub-base complete all as specified and as directed.

Machine pressed precast concrete interlocking paver block any shape and size conforming to IS 15658-2006 of 60mm thickness M-35 grade with grey cement and pigment complete all as specified and as directed.

Chequered cement concrete tiles with grey cement and pigment of size 200mm x 200mm x minimum 25mm thick set, jointed and pointed over neat cement slurry at the rate of 4.20 kg / sqm in floors laid over cement screed in CM 1:4, 20mm thick complete all as specified and as directed.

Rendering 15mm thick in CM(1:6) on fair faces of brickwork or concrete surfaces finished fair and even complete all as specified and as directed.

Preparing new surfaces of steel and iron surfaces of any description, not otherwise described, over 10cm in width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and as directed.

Concrete bed to RCC drain pipes in plain cement concrete 1:3:6, type C2, using 40mm grade stone aggregate including necessary formworkincluding packing under, aand haunching against the sides of pipes after securing the joints with suitable RCC collar for bore of pipe of 300mm after they are laid and tested all as specified and as directed.

Reinforced concrete pipes, class NP3, laid and jointed complete with collars of bore of pipe 300mm laid in trenches complete all as specified and as directed.

Earthwork and concrete bed as required shall be measured and paid for under relevant items of this schedule.

Cutting into existing manholes for 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 for internal dia of pipe 300mm complete all as specified and as directed.

Sri Lakshmi and Company

SHRI BALAJI CONSTRUCTIONS