Chennai Metropolitan Development Authority Tender

0 to 2m depth.

2.0 to 3.0 depth

Supplying and Filling with M - sand in foundation and others sub structures for 100mm thick and well watered, rammed and consolidated by power compacter. The rate includes the cost of M sand, compacting with mechanical compactors labour charges for leveling, loading & Unloading and Transportation charges etc., complete and as per the standard specification.

Providing and laying plain cement concrete 1 : 4 : 8 ratio of (1 of cement , 4 of M. sand and 8 graded stone aggregate 40mm nominal size) in foundation and basement including dewatering wherever necessary and laid in layers not more than 15 cm thick and consolidation etc. The rate includes the cost of materials, labour charges, lifting charges, loading & Unloading and Transportation etc., complete and as per the standard specification.

Supplying and erecting centering for sides and soffits including supports and strutting up to 3.30 m height with all cross bracing for plane surfaces as detailed below, using mild steel sheets of 90 X 60 cm 10 gauge stiffened with MS angle of 25 X 25 X 3mm for boarding, laid over adjustable span & jacks and supported by 50mm dia pipes for general pipes scaffolding systems @ a spacing of 1.20m c/c and vertical connected at a height of 2.0m c/c including 'C' & 'U' clamps and base receiver cup at bottom for connecting pipes etc and removable systems etc., the rate including cost of all materials, labour charges, wastages, placing, transportation, lead & lifts, tools & plants, fuels, fixing in position at all levels, heights, masking tape in sheet joints, consumables, etc. as complete with all respects complying with relevant standard specification, as directed by the Engineer-in-charge.

For Plane surfaces such as RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc.

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

For plane surfaces such as vertical slab, side slabs of boxing, vertical drops, facia, vertical walls etc.

Providing and Laying M 30 Design Mix for all reinforced cement concrete with minimum cement content conform to IS 456-2000 using ordinary Portland cement of grade 53 from approved manufacturer, manufactured sand, 20 mm and down graded size coarse aggregates, necessary approved admixtures as per requirement. works for Footings, Grade beam, drain wall & raft , Plinth beams, Column, Grade slab, Roof slab & beam, Column drops, Pergola, Staircase waist and landing slab lintel, Sunshades, parapet Cum drops, Steps, canopy, window boxing slab, Loft, fins facia Planter box, machine foundation, elevation features and other similar structures etc..excluding necessary centering, shuttering and reinforcement which shall be measured and paid separately under relevant items.