Supply, laying and jointing of sewer line and its appurtenant works with road reinstatement in Soniya Basti area, Jwalapur for abatement of pollution in Haridwar

Amount

Demolishing cement concrete pavement 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)

Disposal of rubish obtained from dismantling of road for a distance of 8 KM by mechanical means including its loading, unloading but excluding its stacking

Excavation of earth depth upto 1.5 mt. Below G.L. for laying of sewer manholes, Gully pits, Chambers, sumps etc. in ordinary soil(earth,sand loam and clay) including cutting of joints, pits, trimming, dressing, levelling refilling of trenches in 20 cm layers,watering and ramming the same including removal of surplus earth or other dismantled material up to a distance of 50 meters from the center of trenches.

Excavation in soil mixed with morum, shingle, kankar requiring use of specials T&P. if required

0 mt to 1.5 mt B.G.L

1.5 mt to 3.00 mt B.G.L

Earth work Excavation 80% in soil mix with shingle and kankar and 20% earth work in medium rock

0 mt to 1.5 mt B.G.L

1.5 mt to 3.00 mt B.G.L

Disposal of excavated excess earth away from the site including conveyance of material up to an average lead of 8 Km away from the site and corresponding required lift, loading, unloading etc complete as directed by the engineer-in-charge.

Carting of excavated earth to identified place and recarting the same by head load where sufficient width of road is not available for stacking of excavated earth average lead 120 mtr.

Provide & fix open timbering (covering1/3rd of surface area by planks), in trenches for the depth upto 3 mt. Below ground level consisting of 40mm thick approved country wood planks for poling board 125mm × 75mm Indian Salwood walers and 100mm dia Sal ballies for strurts at 1.50m c/c including removal after laying of sewer both sides of trenches will be taken as one side for the purpose of payments & measurements i.e. area equals to length x depth of trenches. Dismantled timbering materials will be the property of the contractor.

a) 1.5- 3.0 mtr B.G.L.

Supply and Lowering in trenches, aligning, laying & jointing of RCC pipes NP3 class (with s/s ends) as per IS: 458 - 1988 (Amended up to date) with Rubber gaskets (EPDM/SBR) including cost of all jointing materials, testing, commissioning etc, complete as per specifications and/or as directed by Engineer. etc. jointed with stiff mixture of cement mortar in the proportion of1:2 (1 cement : 2 fine sand) including testing of joints etc.

200 mm dia

0 - 1.5 m depth

1.5 - 3 m depth

Supply of all material, labour and T&P to provide the barricading along trench during excavation and laying of pipe with eucalyptus ballies of 100mm dia in horizontal section in two rows and vertical post of 125 mm dia at 2 m C/C fastened with Nariyal rope including provision of caution board.

Provision for crossing sewers through existing drains coming across the alignment of sewer including making it good after laying the pipe.

Provision for shifting and reinstatement of domestic sewage supply line upto 250 mm dia in the alignment including all material, labour and T&P etc.

Provision for shifting and reinstatement of domestic water supply connection in the alignment including all material, labour and T&P etc.

Supply of all materials, labour, T & P etc. and construct brick masonry manhole of following sizes as per drawing attached. Bed concrete of manhole will be in cement concrete 1:4:8, brick masonry in cement mortar in 1:5, channel and benching in PCC 1:2:4, 12 mm thick plaster in cement mortar 1:3 on both external and internal face, plaster to be finished smooth with a coat of neat cement on internal side, disposal of surplus soil, fixing of foot step, manhole cover with frame.

900 mm dia. of manhole upto 1.65 m depth

1200 mm dia. manhole upto 2.30 m depth

Addition or Substraction due to variation in Shaft for the following sizes of manhole

900 mm dia. of manhole upto 1.65 m depth

1200 mm dia. manhole upto 2.30 m depth

Supply of all materials, labour, T & P etc. and construct brick sewer connecting chamber of following sizes as per drawing attached. Bed concrete of manhole will be in cement concrete 1:4:8, brick masonry in cement mortar in 1:5, channel and benching in PCC 1:2:4, 12 mm thick plaster in cement mortar 1:3 on both external and internal face, plaster to be finished smooth with a coat of neat cement on internal side, disposal of surplus soil, fixing of foot step, manhole cover with frame.

0.60 M dia upto 1.50 m depth

Addition or Substraction due to variation in Shaft for the following sizes of manhole

0.60 M dia upto 1.50 m depth

Reinstatement of dismantled roads after filling and proper compaction as per P.W.D. specifications for upto 3.0 m deep sewer

Cement Concrete Pavement (Single Lane)

SAKLA NAND LAKHERA

FLAIR ENGINEERING