Improvement of 3 nos Gravity line

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

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) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form for

Foundations, footings, bases of columns, etc. for mass concrete

Dismantling C.I. pipes including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means breaking lead caulked joints, melting of lead and making into blocks including stacking of pipes & lead at site within 50 metre lead as per direction of Engineer-in-charge:

Above 300 mm diameter

Providing flanged joints to double flanged C.I./ D.I. pipes and specials, including testing of joints :

200 mm diameter pipe

300 mm diameter pipe

Providing and laying D.I. Specials of Class K - 12 suitable for mechanical jointing as per IS : 9523 :

Up to 600 mm dia

Providing and laying Double Flanged (Screwed/ Welded) Centrifugally (Spun) Ductile Iron Pipes of Class K - 9 conforming to IS : 8329 : 300 mm dia Ductile Iron Double Flanged

450 mm dia Ductile Iron Double Flanged

500 mm dia Ductile Iron Double Flanged

Providing and fixing D.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately)

300 mm diameter Class I

450 mm diameter Class I

500 mm diameter Class I

Providing and fixing D.I. double acting air valve of approved quality with bolts, nuts, rubber insertions etc. complete (The tail pieces, tapers etc if required will be paid separately) :

200 mm Dia.

Making connection with exsisting C.I./D.I. Pumping main (450 & 500 mm dia) with newly laid Air Valves, Sluice Valves and D.I Pipeline (450 & 500 mm dia) of sizes including pipe dismantling, cutting, fixing and jonting the pipe etc. in postion complete as per the direction of Engineer in charge exculding matrials.

450 mm nominal bore

500 mm nominal bore

Providing and laying D.I. Standard specials such as tees, bends,collars tapers and caps etc, suitable for flanged jointing as per IS :9523:2000.

Up to 600 mm dia

Surendra Infrastructure Pvt. Ltd.

CSE CONSTRUCTION (INDIA) PRIVATE LIMITED