Chennai Metropolitan Development Authority Tender

Supply and constructing cement concrete solid block masonry work at all levels in cement mortar 1:5 (1 of Cement : 5 of manufactured sand ) using Portland Pozzolana Cement standard size of 400 x 200 x 200 mm of solid cement concrete blocks, with minimum compressive strength of 5 N/Sq.mm.conforming to IS 2185 or equivalent BS and Fly ash conforming to IS : 3812 (Part III)-1966* may be used for part replacement of fine aggregate up to a limit of 20 percent. Concrete blocks manufactured under strict quality control conditions using modern rugged block casting and stripping machine with the latest moulding techniques etc. only shall be used. The rate including cost of all materials, labour charges, wastages for working at all levels with necessary lead and lifts, transportation charges, loading, unloading, scaffolding, staging, curing, fuel, consumables as complete with all respects complying with relevant standard specification and as directed by the Client / Engineer-in-charge.

For column footing plinth beam bed blocks templates staircase, steps piers raft beam raft slab etc.,

BORED PILE 450 mm Dia Providing and installing Bored cast-in-situ reinforced cement Concrete pile of specified diametre and length below the pile cap in RMC M25 concrete to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including Bentonite solution machinery charges labour chargres etc., all complete. (Length of pile for payment shall be measured from bottom pile to the bottom of pile cap).