Tamil Nadu Civil Supplies Corporation Tender

Providing and laying in position, Standardized Concrete Mix M20 Grade in accordance with IS:456-200 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/M3 and mazimum water cement ratio of 0.55, including admixture (Plasticizer / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improvement workability without impairing strength and durability with about (5 Cu.m) 7730 Kg of 20mm machine crushed stone jelly and with about (3.3 Cum)5156 kg of 10-12mm machine crushed stone jelly and with about (4.7 Cum) 7670 kg of sand, but excluding cost of reinforcement gril and also including laying, vibrating with mechanical vibrators, finishing, cutting, Placing of concrete and surface hardner finishing with power floated and power trawler to obtain the hard surface etc.,complete complying with standard specification and as directed the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of 15 Standards. (No separate payment will be made by the Department for the excess usage of materials.)

Providing expansion joint at 6meter intervals across the platform by cutting 6mm wide and full depth of concrete by contractors own mechanical means and filling the gap with polysulphide sealent and adding admixtures recron 3s for crackfree construction at the rate of 125 gms pack per 50 Kg of cement with all lead, lift and other incidental works etc., complete complying with standard specifications and as directed.