Construction of RCC Ring well (6.00 mtr dia 9 mtr depth) behind Boys Hostel at MGG College at Karmatang.(2nd Call)

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, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials.

All kinds of soil

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth.

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fllets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement:

1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

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

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Extra for shuttering in circular work (20% of respective centering and shuttering items)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

Providing and fixing PVC pipe for weep hole.

50mm dia

Collection and filling stone boulder as filter media.

Providing cement concrete surface drain including earthwork in excavation, 10 cm thick base concrete and 23 cm thick side walling with 1:3:6 (1 cement; 3 coarse sand; 6 graded stone aggregate 40mm nominal size) finishing with 1:4 (1 cement; 4 sand) including floating coat of neat cement including drain and its top and exposed surface including earth work in excavation and disposal of surplus earth etc. complete.

23x23 cm surface drain.

S.KOODA LINGAM