Construction of RCC outlet storm water drain from IGC Chaygaon Chatabari to Dimly River (Western side) under Upgradation of IGC Chaygaon project

Amount

Earth work in excavation for foundation trenches of walls, footings of columns ,steps and septic tank etc. including refilling the quantity as necessary after completing of works etc. bailing out water where necessary as directed and specified. (a) In ordinary soil.

Providing soling in foundation and under floor at all level with stone/ best quality picked jhama bricks, sand and packed and laid to level etc complete Brick flat soling

Providing and laying plain cement concrete with coarse aggregate of sizes 13mm to 32 mm in foundation bed for footing steps, wall, brick works etc as directed including dewatering if necessary, and curing complete. In prop. 1cement :3sand :6 coarse aggregate

Providing and laying plain/reinforced cement concrete works cement, coarse sand & 20mm downgraded stone aggregate including dewatering if necessary, and curing complete but excluding cost of form work and reinforcement for reinforced cement concrete work (form work and reinforcement will be measured and paid separately) (I) Using Mixer Machine (A) In substructure up to plinth level Foundation, footing, columns with base tie and plinth beam, pile cap, base slab, retaining walls, walls of septic tank, inspection pit and the like and other works not less than 100mm thick up to plinth level. N) Without using admixture, plasticizer b) M20 grade concrete or Prop. 1:1.5:3

Providing form work of ordinary timber planking so as to give a rough finish including centering, shuttering, strutting and propping etc., height of propping and centering below supporting floor to ceiling not exceeding 4.0M and removal of the same for in-situ reinforced concrete and plain concrete work in: Sides of tie beams, grade beams etc. at or below ground level. (b) Using 25mm thick plank

Sides and Soffits of Beams, beam haunchings, cantilever girders, bressumers, lintels and horizontal ties. (a) For depth not exceeding 1.0M. (ii) Using 25 mm thick plank

Vertical surface such as walls (any thickness), parapet walls, partitions, walls of septic tank, inspection pit and the like including attached pilasters, butresses, plinth and string courses and the like. (ii) Using 25 mm thick plank

Supplying, fitting and fixing in position reinforcement bars conforming to relevant I.S Codes for R.C.C works/ R.B walling including straightening, cleaning, cutting and bending to proper shapes and length as per details, supplying and binding with 20 G annealed black wire and placing in position with proper blocks, support etc complete.(Up to first floor) (No extra measurement for lap, hook, chair, anchor etc. will be entertained in the measurement as they are included in the rate) (Upto 1st floor level) b) Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX) (For Assam Type Bldg., drain works, retaining wall & boundary wall etc.

Ritumoni Kalita

SRI NABA BAISHYA