Irrigation And Flood Control Department Tender

Raising of existing manhole up to 30 cm (Av) height by dismantling of C.C/RCC cover and frame including brick masonry with bricks of class designation 75 in cement mortar 1:4(1cement :4 coarse sand) plastering inside walls with cement mortar 1:4 (1 cement:4 coarse sand ) with a floating coat of neat cement punning 12mm thick including cost of quantities to be executed in or under foul position complete as per direction of Engineer-in-charge.

Providing and laying in position ready mixed plain cement concrete, with cement content as per approved design mix and manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for plain cement concrete work, including pumping of R.M.C. from transit mixer to site of laying and curing, excluding the cost of centering, shuttering and finishing, including cost of curing, admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer-in-charge.” Note : Excess/less cement used than specified in this item is payable/ recoverable separately. M-10 grade plain cement concrete (cement content considered @ 220 kg/cum)

Providing and laying RMC of M-30 grade by using minimum 400kg of cement (43 grade, OPC) per cum of concrete in roads/streets manufactured in automatic RMC plant using coarse sand and graded stone aggregate of 20mm nominal size in appropriate proportion as per approved design criteria including transportation to site in transit mixer including cost of admixture in recommended proportion as per IS9103 to accelerate/retard setting of concrete to improve workability without impairing strength and durability as per specification including pumping of concrete, spreading and compacting mechanically by using needle and surface vibratos, leveling to required slop and camber contraction/ expansion construction of cross/longitudinal joint of size 10mm wide 50mm deep by groove cutting machine, providing and filling joint with approved joint filter and sealants, etc complete as per direction of Engineer-in-charge (cost of joint filter & sealants shall be paid for separately under relevant items). (Note:- The cement considered in RMC-30 is 400Kg/Cum. If any deviation in quantity on lower side is observed subject to approval of Job Mix formula by engineer-in-charge, a recovery of cement @ Rs. 10 per Kg. will be deducted RMC M-30 with cement content less than 360 KG/cum shall be rejected).

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:4 (1 cement : 4 coarse sand)

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