Improvement of sewerage Network Providing and laying 150mm dia DI pipe sewer line from Sitara Hotel to Krishna Bhawan existing manhole at Sanjauli ward No 19 Network of STP Malyana

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 than 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 and laying in trenches centrifugal cast ductile iron (spun) pressure pipes as IS: 8329/2000 class K-7 duly ISI marked, inside cement mortar lined suitable for tyton push onjoints for sewer lines including cutting of pipe. Chamfering where required (eath work in tranches and jointing of pipe to be measured and paid for seperately)including carriage up to the site of work, testing etc, complete in all respect as per instruction of the Engineer-in- charge. (150mm dia)

Providing and fixing in tranches centrifugal cast ductlie iron fitting IS 9523/2000 class A series K-12 inside cement motar lined suitable for tyton (push on joints) for sewer, such as socketed bends of all degrees, socketed Tees, collars and all other required fittings, including carrage up to site of work, testing complete as per instruction of the Engineer-in-charge(earth work in trenches and jointing of pipes to be measured and paid for seperately).

a) 150 mm dia double socket D.I. bends of require degree

90 dgree

45 degree

22.50 degree

11.25 Degree

b) Providing and fixing D.I. Tee 150x150x100mm dia

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(200 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 ce ment 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 900 mm x600 mm and 600 mm deep including 1:2:4(1 Cement 2 sand 4 Graded stone aggregate 10 mm nominal size ) including SFRC cover with frame medium duty 10, of Size 700mm dia x800 mm thick to be rested upon RCC Slab complete.

With 15 cm thick wall of RCC 1:1:5:3 ( 1cement: 1:5 sand: 3 graded stone aggregate 20mm nominal size) complete including cost of form work and RCC Work complete.

TARA CHAND

vinod verma