Main Work Improvements of Primary Storm Water Drainage System in ABD area and Upper Catchment Area in Puducherry under Smart City Project in Union Territory of Puducherry Phase III. Sub Work Package 8 Improvements and linking the Krishna Nagar Phase

Amount

Earth work in excavation by mechanical means (Hydraulic excavation) / manual means over areas (exceeding 30 cm in depth, 1.5m in width as well as 10sqm on plan) including getting out and disposal of excavated earth, lead upto 50m and lift upto 1.5m - all kinds of soil

Supplying and filling with quarry dust in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth consolidating each deposited layers by ramming and watering etc. complete including all lead and lift.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size)

Centering and shuttering including strutting , propping etc and removal of form for - foundations, footings, bases of columns etc for mass concrete

Centering and shuttering including strutting , propping etc and removal of form for - Walls (any thickness ) including attached pilasters , butteresses , plinth and string courses etc.

Centering and shuttering including strutting , propping etc and removal of form for - Suspended floors , roofs , landings , balconies and access platform

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

Providing and laying in position ready mixed M-25 grade concrete for reinforced cement concrete work , using cement content as per approved design mix , manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads , having continuous agitated mixer , manufactured as per mix design of specified grade for reinforced cement concrete work including pumping of R.M.C. from transit mixer to site of laying , excluding the cost of centering , shuttering , finishing and reinforcement including cost of admixtures in recommended proportions as per IS : 9103 to accelerate / retard setting of concrete , improve workability without impairing strenghth and durability - Note :- Cement content considered in this item is @ 330 kg / cum. Excess / less cement used as per design mix is payable / recoverable separately - All work upto plinth level

Steel reinforcement for R.C.C.work including straightening , cutting , bending , placing in position and binding all complete upto plinth level - Thermo -Mechanically treated bars (ISI BRAND OF APPROVED MAKE) Fe - 415 or more

Steel work welded in built up sections / framed work , including cutting,hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required - in gratings, frames, guard bar, ladder, railings, brackets,gates and similar works

Making of bund wall with HDPE cement bags filled with stone dust for discharge regulations, breach closing/diversion arrangement. The rate includes the cost of empty HDPE bags, cost of stone dust, labour charges for filling the bags and placing in position for its purpose in or under foul condition, etc., complete as directed by the Engineer-in-charge.

Providing and fixing 110 mm dia PVC pipes (4kg / cm2) in weep holes including cement concrete 1:5:10 (one cement : 5 sand : 10 graded stone aggregate ) and filling of pebbles etc.,

S Selvam