39EECBSNLCDBGL202425

Amount

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix)

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. (Note This item includes excavating SW drain line/PCC etc. from the treench)

All kinds of soil.

Extra rates for quantities of Earth work in excavation executed: (Note- The extra percentage rate is applicable in respect of each item but limited to quantities of work executed in these difficult conditions. The unit, namely, metre depth, to be considered for payment,shall be the depth measured from the sub soil water level up to the centre of gravity of the qty executed in difficult conditions. The depth shall be reckoned correct to 0.10 m, 0.05 m or more shall be taken as 0.10 m and less than 0.05 m ignored.

bIn or under foul position, including pumping out water as required for All kinds of soil.

Cutting tree roots encountered in foundation trench to receive bed concrete using carpenters saw, power cutter saw and axe wherever required complete as directed and disposal of debris to a lead of 50m.

Roots in trench of area upto 1.50sqm

Dismantling of manhole including R.C.C. top slab, C.I. cover with frame, including stacking of useful materials near the site and disposal of unserviceable materials within 50 m lead as per direction of Engineer-in-charge:

Rectangular manhole 90x80 cm and 45 cm deep

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : All kinds of soil

Pipes, cables etc. exceeding 80 mm dia. But not exceeding 300 mm dia

Dewatering sewage water entering in excavated trenches of manholes/pipe lines with 1HP submersible sewage pump and HDPE/PVC hose pipe up to 50m for discharge of sewage water to nearby municipal drain ( rate shall be quoted for hire, carriage & operation charges of pump & hose pipe)

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) in pavements, laid to required slope and camber in panels as required including consolidation finishing and tamping complete.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:4:8 (1 Cement : 4 coarse sand(zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources).

Supplying & spreading non metallic concrete hardener topping compound (NITOFLOR-Hardtop of fosroc or equivalent) to give monolithic pavement, broadcasting hardener compound @2.0 kg/sqm on the fresh concrete top after water get evaporated from laitence of concrete ( Note- The hardener compound shall be broadcast in two stages using 50% quantity each in perpendicular directions for uniformly application on the surface) finishing smooth top surface or roughend with broom as per direction of Engineer-in-charge

Providing and laying under ground low density foamed cellular wall PVC pipes and couplers conforming to IS:16098 (PART-1) including fixing pipe ends with solvent based cement adhesive in proper alignment complete as directed. (Note: The joint shall be tested for leakage before covering with infill material over the pipes)

a) 110mm diameter PVC pipe of SN4 class, self fit type

b) 160mm diameter PVC pipe of SN4 class, self fit type

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design a) Inside size 90x80 cm and 45 cm deep including FRP cover LD class-2.50T (THERMO-DRAIN /NEXGEN or equivinalent)with frame of size-710x535mm and opening 450 x 600mm

With common burnt clay F.P.S. (non modular) bricks of class designation 5.0

Providing and fixing square-mouth S.W. gully trap class SP-1 complete with C.I. grating brick masonry chamber with water tight C.I. cover with frame of 300 x300 mm size (inside) the weight of cover to be not less than 4.50 kg and frame to be not less than 2.70 kg as per standard design:

a) 100x100 mm size P type With common burnt clay F.P.S. (non modular) bricks of class designation 5

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

Providing and fixing rigid SWR UPVC fittings for PVC pipes of approved quality as directed by Engineer-in-charge.

PVC Plain bend 75mm dia

PVC Plain bend 110mm dia

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete :

For pipes 100 to 250 mm diameter

Extra for depth for manholes :

Size 90x80 cm With common burnt clay F.P.S. (non modular) bricks of class designation 5.0

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Credit to the agency for dismantled unserviceable material recovered under the relevant agreement items

CI Cover