Replacement of existing sewer lines connecting residential buildings to main sewer manholes

Civil Works

Surface dressing of the ground including removing vegetation and inequalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift upto1.5 m. All kinds of soil.

Cleaning and de-silting of gully trap chamber, including removal of rubbish mixed with earth etc. and disposal of same, all as per the direction of Engineer-in-charge.

Dismantling of gully chamber of various sizes including C.I. grating with frame including stacking of useful materials near the site and disposal of unserviceable materials within 50metres lead including refilling the excavated gap.

Taking out C.I. cover with frame from R.C.C. top slab of inspection chambers of various sizes including demolishing of R.C.C. work manually/ by mechanical means and stacking of useful materials near the site and disposal of unserviceable materials within 50 metres lead as per direction of Engineer-in-charge

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix)

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineer in-charge.

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. In cement mortar

Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge : Bituminous road

Dismantling of old S.W. pipes including breaking of joints and bed concrete stacking of useful materials near the site within 50 m lead and disposal of unserviceable materials into municipal dumps : 100 mm diameter

Dismantling of old S.W. pipes including breaking of joints and bed concrete stacking of useful materials near the site within 50 m lead and disposal of unserviceable materials into municipal dumps : 150 mm diameter

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 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

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type B, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes.

75 mm diameter

90 mm diameter

110 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/accessories for unplasticised Rigid PVC rain water pipes conforming to IS 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion.

Coupler

75 mm bend

90mm bend

110 mm bend

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: 100x100 mm size P type

Construction of masonry chamber 60x60x45cm inside with 100 class designation Masonry block in Cm1:4( 1 cement : 4Fine sand/ M sand) including cement concrete 1:3:6 ( 1 Cement : 3 coarse sand/ M sand : 6 25mm nominal size aggregate) and inside plastering in CM 1:3( 1 Cement : 3 Coarse sand/ M sand ) 12 mm thick finished with a floating coat of neat cement complete, 600 x 600mm Square (Medium duty MD- 20 grade designation) as per standard design.

Extra depth for chambers of size 60x60cm

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 /M sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand/M 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

Supplying and laying Hincol road Bond in PP bags as per the manufacture specification. The rate inclusive of surface preparation by cutting the pot holes in proper shape, cleaning thoroughly, applying a coat of bitumen primer, rolling with power roller and applying a layer cement over the finished surface.

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand (zone-III) derived from natural sources / M sand : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation leveling & dressing & finishing the top smooth.

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

1:2:4 (1 cement : 2 coarse sand(zone-III) / M sand : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

1:5:10 (1 cement : 5 coarse sand (zone-III) / M sand: 10 graded stone aggregate 40 mm nominal size derived from natural sources)

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand / M sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete. upto 50 mm and minimum of 40mm thick with 20 mm nominal size stone aggregate

Hire charges for providing temporary barricading using GI corrugated sheet to a height of 3m. The GI corrugated sheets of 0.4mm thick shall be fixed to the framework made out MS pipe frame work as per the direction of Engineerincharge. The bottom of barricade should be covered with green garden net up to a height of 0.60m.