Construction of Water Harvesting Structure at Nimla Nala in Chowai Range of Anni Forest Division

Amount

Excavation in foundation, trenches etc.in earth work , lift upto 1.50 metres stacking the excavated soil not more than 3 metres clear from the edge of excavation and then returning the stacked soil in 15cm layers, when required, into plinths, sides of foundations, etc., consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed within a lead of 20 metres in pick jumper work.

Providing and laying cement concrete 1:3:6 (1 cement:3sand:6 graded stone aggregate 40mm nominal size) and curing complete excluding cost of form work in foundation and plinth.

Providing and laying cement concrete 1:1.5:3 (1cement:1.5 sand : 3graded stone aggregate 20mm nominal size)and curing complete excluding cost of form work and re-inforcement for reinforced concrete work in: wall (any thickness but not less than 0.1 m thickness) attached pillasters, buttresses, plinth and string courses, etc. from top of foundation level upto floor two level.

Providing tor steel reinforcement for R.C.C. work including bending, binding and placing in position complete upto floor two level.

Providing form work with steel plates 3.15mm thick welded with angle iron in frame 30x30x5mm so as to give a fairfinish I/c centring , shuttering , strutting and proping etc.with wooden battens and ballies, height of propping and centring below supporting floor to ceiling not exceeding 4m and removal of the same for insitu- reinforced concrete &plain concrete work in :-Vertical surfaces such as walls (any thickness), partitions and the like including attached pillasters, buttress,plinthand string courses and the like.

Providing and laying cement concrete 1:5;10 (1cement :5sand :10 graded stone aggregate 40mm. nominal size) with 15 % plum and curing complete excluding cost of form work in retaining walls/ Breast walls, the size of plums shall usually be 150mm. to 300mm. as per H.P.P.W.D.Specification.

surender kumar govt cont

Nitika Thakur