Chennai Metropolitan Development Authority Tender

Dismantling removing Reinforced Cement Concrete work and etc.,by mechanical means including stacking of steel bars and disposal of unserviceable material within 50m lead as per direction of Engineer in charge

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.

2.0 to 3.0 depth

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.

Carting away surplus excavated earth available with in the campus is to be carted to a lead of within 3 KM from site. The rate shall include loading into the tipper/ lorry, transporting and unloading, leveling and the earth scooped by bulldozers grading etc.,complete with all respects complying with relevant standard specification, as directed by the Departmental Officers.

Earthwork excavation for foundation (for narrow excavation) to full depth as per designed in all soils and sub soils except soft disintegrated rock not requiring blasting and hard rock requiring blasting and bailing water wherever necessary. Refilling the sides of foundation with excavated earth other than sand in layers of well rammed and compacted and depositing the surplus earth in places shown by the departmental officers with an initial lead of 10m and initial lift of 2m and clearing and leveling the site etc. complete complying with standard specification.

0 to 2m 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.