Urban Development Authority Tender

RCC Cantilever Retaining wall;Earth work excavation in all kinds of soils by Mechanical Means for foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom etc, complete.

RCC Cantilever Retaining wall;Providing and laying insitu vibrated M-15 ( 28 days cube compressive strength not less than 15 N /sq mm ) grade cement concrete using 40 mm down size approved, clean, hard, graded aggregates for foundation filling including cost of all materials, machinery, labour, form work,cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc.,complete with initial lead upto 50 m and all lifts. (Cement content: 260 kg / cum with use of super plasticiser(0.4% by wt. of cement), CA : 0.90cum, Blending Ratio of CA--50:30:20, FA : 0.40 cum).

RCC Cantilever Retaining wall;Supply and placing of M 30 Design Mix Concrete corresponding to IS 456 using concrete mixer using of 20 mm HBG crushed metal 0.530 Cum (707 kg),. 10 mm HBG crushed metal, 0.362 Cum (471 kg) , sand 0.407 Cum (616 kg.) and cement 400 kg with water cement ratio of 0.45 ( 180.00 ltrs/ Cum of CC) etc., to site for cantiliver / counterfort retaining walls including cost of all materials,machinery, labour, formwork, scaffolding, cleaning, batching, mixing, placing in position,levelling, vibrating, finishing, curing etc., complete with initial lead upto 50 m and all lifts. (Cement content: 400 kg / cum with use of super plasticiser(0.4% by wt. of cement) Note : The design mix shall be got designed by furnishing the information required as per clause 19.1.1 &19.1.2 of IS 456-2000 by the contractor at his own cost and get approved from the competent authority before execution. The cement considered for above M30 grade concrete is 400 kg/Cum and the rate is arrived accordingly in the estimate. After the mix is designed and approved, if there is any variation in the quantity of cement, over the cement content adopted in the estimate, the same will be considered and paid/recovered at estimate rate ± T.P ( Either increase or decrease in quantity adopted in the estimate). Payment will not be made for variation in the quantity of other materials such as coarse & Fine aggregates.