Proposed Accelerograph Room at Dam Site and Providing Foundation and Supporting Arrangement for 03 Nos. EWS (early warning system) at Teesta Low Dam-IV Power Station, Kalijhora, West Bengal

Providin gand laying cement concrete inretaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing :1:2:4 (1Cement: 2 coarse sand (zone-III) derived from natural sources :4 graded stone aggregate 20 mm nominal size derived from natural sources).

Brick work with common burnt clay F.P.S. (non modular) bricks of class Designation 7.5 in superstructure above plinth level up to floor Vlevel in all shapes and sizes in: Cement mortar 1:4 (1 cement : 4 coarse sand).

Providingand laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing: 1:1½: 3 (1 cement: 1½ coarsesand (zone-III). Derived from natural sources :3 graded stone aggregate 20 mm nominal size derived from natural sources).

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.

Centering and shuttering including strutting, propping etc. and removal of form for: Lintels, beams, plinth beams, girders, bressumers and cantilevers.

Centering and shuttering including strutting, propping etc. and removal of form work for: Columns, Pillars, Piers, Abutments, Posts and Struts.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing inposition and applying a priming coat of approved steel primer all complete.

6 mm cement plaster to ceiling of mix 1 : 3 (1 cement : 3 fine sand).

12 mm cement plaster of mix: 1:6 (1 cement: 6 fine sand).

15 mm cement plaster on the rough side of single or half brick wall of mix: 1:6 (1 cement: 6 fine sand).