Corporation Of Chennai Tender

Plastering with cement mortar 1:4 (1 cement and 4 Crushed Stone Sand (Commercially called M-Sand))12mm thick including curing, etc., complete.

Providing and laying in position, Standardised Concrete Mix M-20 Grade in accordance with IS:456-2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325kg/m3 and maximun water cement ration of 0.55, including admixture (Plasticiser/Superplasticier) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about 95.00 cum) 7730 kg of 20 mm machine crushed stone jelly and with about 9303 cum) 5156 kg of 10-12mm machine crushed stone jelly and with about (4.79 cum) 7670 kg of sand, nut excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibration with mechanical vibrators, finishing, curing, etc and providing complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standrands. (No separate payment will be made by the Department for the excess usage of materials)

SOLID BLOCKS 40X20X20 CM Supplying and fixing Solid Blocks of following size confirming to S.S. 2145-1965 (including jam blocks closers etc.) made in CC 1:3:6 (One Cement Three Sand and Six HBSJ 6 mm) in CM 1:5 (one cement and five sand),for masonry wall partition wall including curing neat finishing

Plain Cement concrete work 1:4:8 (1cement,4 Crushed Stone Sand (Commercially called M-Sand) and 8 blue granite broken stone jelly 40mm gauge) including consolidation curing, etc. complete for foundation, etc. upto basement.

Earth work excavation for foundation in all kinds of soils invarying depths including dismantling any masonry or roots met with in foundation shoriEarth work excavation for foundation in all kinds of soils invarying depths including dismantling any masonry or roots met with in foundation shoring with planks and bailing water if necessary, clearing leveling the site with initial lead and including refilling the sides with excavated earth etc. complete

Supplying river sand and quarry rubbish/stone dust and filling in regular layers of 15cm thick each including watering consolidating etc. complete for soundation basement etc.