Oand M of Sewerage Scheme for shimla Town Providing and laying 150mm dia DI sewer line from existing manhole towards Krishna Niwas Gian house thakur Niwas Lal Singh house Panjari shimla ward No 10 Shimla2nd call

Amount

Excavation in foundation, trenches etc., in earth work in all type of soil such as pick work, jumper work, blasting work Kankar, moorum shingles including decomposed soft and hard rock i/c cutting of top of metelled road etc., upto all heights stacking the excavated earth not more 3 meters clear from the edge of excavation and then returning the stacked soil in 15cm. layers, when required into plinth and sides of foundation etc., consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth up to all leads and lifts etc., complete in all respect.

Providing, laying jointing & testing in trenches centrifugal cast ductile iron (spun) pressure pipes as per IS:8329/2000 Class K-7 duly ISI marked, inside cement mortar lined suitable for tyton (push on joints) for sewer lines including cutting of pipes, chamfering where required (earth work in trenches and jointing of pipes to be measured and paid for separately) including carriage up to the site of work, testing etc., complete as per instructions of the Engineer-in-charge. (150 mm dia)

Providing & fixing in trenches centrifugal cast ductile iron fittings of as per IS: 9523/2000 class A, series K-12 with inside cement mortar lined suitable for tyton (push on joints) with sewers, such as socketed bends of all degrees, socketed, tees, collars and all other required fittings, including carriage up to the site of work, testing etc., complete as per instructions of the Engineer-in-charge. (earth work in trenches and jointing of fittings to be measured and paid for separately) 150 mm dia bends

11.25 degree

22.50 degree

45 degree

90 degree

Providing and fixing D.I Tees 150 mm x 150 mm x 100 mm

Providing tyton (Push on joints) to Ductile iron pipes and fittings including the testing of the joints cost of rubber gasket (SBR quality) conforming to IS 12820/1989 150 mm dia

Constructing manhole with R.C.C. top slab in 1:2;4 mix ( 1cement: 2 sand: 4 graded stone aggregate 20mm nominal size with 20cm thick foundation concrete 1:4:8 ( 1cement: 4 sand: 8 graded stone aggregate 40mm nominal size) inside plastering 15mm thick with cement mortar 1:3 ( 1cement: 3 sand) finished with a floating coat of neat cement on 230mm thick burnt brick masonry walls and making channels in cement concrete 1:2:4 ( 1cement: 2 sand: 4 graded stone aggregate 20mm nominal size) finished smooth complete including curing and testing as per drawings.

Inside size 900mmx600mm and 600mm deep including SFRC cover with frame HD-10 (steel febre-reinforced concrete Manhole cover & frame) confirming to IS 12592 Part I & II-1988 with upto date amendments 130mm thick complete.

With 230mm thick walls of brick masonry using common burnt clay building bricks 2nd class in cement mortar 1:3 ( 1 cement: 3 sand) excavation to be measured & paid for separately.

Amit Kumar

chanchal bhardwaj