Construction of Precast and RCC Box type drain in place of old brick drain 1. from Dabri Flyover to Mangalpuri Flyover, Palam Dabri Road (ID- 1221), 2. DDA office to Flood drain, Nasirpur Road (ID- 1223) Under SD-1, SWR-2, New Delhi.

EARTH WORK 1.1) Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by Engineer-in-charge. 1.1.1) All kinds of soil.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and all lift.

Providing and laying in position ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength and durability; including laying at site, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. : All works upto plinth level : M-10 grade plain cement concrete (cement content considered @ 220 kg/cum) Note:- Cement content considered in this item is minimum @220 kg/cum. Nothing extra shall be payable on account of design mix specify more than @ 220 kg/cum

Centering and shuttering including strutting, propping etc. and removal of form for: 3.1.1) Foundations, footings, bases of columns, etc. for mass concrete

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

Suspended floors, roofs, landings, balconies and access platform

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. 3.4.1) Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/Ordinary Portland / Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength and durability; including laying at site, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. : All works upto plinth level : Concrete of M-30 grade with minimum cement content of 350 kg /cum Note:- Cement content considered in this item is minimum @350 kg/cum. Nothing extra shall be payable on account of design mix specify more than @ 350 kg/cum