Development of Industrial Area Basal, Distt. Una (HP)(SH-Providing and laying sewerage system)

Amount

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto any lead, dressing of sides and bottom and backfilling in trenches with excavated suitable material.

Providing and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes conforming to IS : 8329 250 mm dia Ductile Iron Class K-7 pipes

Constructing manhole with R.C.C top slab in1:2:4 mix in 1 cement : 2 sand : 4 gradedstone aggregate 20mm nominal size)foundation concrete1:4:8 (1cement : 4 sand :8 graded stone aggregate 40mm nominal size) inside plastering 15mm thick with cementmortar 1:3 (1cement 3 sand) finished with afloating coat of neat cement and makingchannels in concrete 1:2:4 mix (1 cement : 2sand : 4 graded stone aggregate 20mmnominal size) finished smooth completeincluding curing and testing: (a) Inside size 800 mm x 800 mm and 1000mm deep including C.I cover with frame.(Light duty single seal pattern - 1)455mmx610mm internal dimensions totalweight of cover and frame to be not lessthan 38kg. (Weight of cover 23 kg andweight of frame 15 kg.) With 200mm thick walls of brick masonryusing common burnt clay building bricksin cement mortar 1:3 (1 cement : 3)

(b) Inside size 1200 x 900mm and 1000mmdeep includingCement Concrete cover 500mm internal diameters (a) With 230mm thick walls of brickmasonry using common burnt claybuilding bricks in cement mortar 1:3

Inside size 1200 x 900mm and 1500mmdeep includingCement Concrete cover 500mm internal diameters (a) With 345mm thick walls of brickmasonry using common burnt claybuilding bricks in cement mortar 1:4

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 1:3:6 (1 cement:3 sand:6graded stone aggregate 40mm nominalsize) including cost of form work complete

Demolition below G.L. upto any depth and disposalof unserviceable materialswithin any lead. Un-reinforecd cement concreteupto any Thickness.

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 1:1.5:3(1 cement:1.5 sand: 3graded stone aggregate 20mm nominal size) including cost of form work complete

Sohan Singh Govt. Contractor

udayveer singh