Corporation Of Chennai Tender

Providing And Laying In Position, Standarded Concrete Mix M-20 Grade In Accordance With Is:456-2954 Using 20mm Ond Down Graded Hard Broken Granito Stone Jelly For All Rcc Items of Works With Minimum Cement Content of 325 Kg/M3 And Maximum Water Cement Ratio of 0.55, Including Admixture (Plasticiser / Super Plasticiser) In Recommended Proportions As Per Is:9103 to accelerate, Retard Setting of Concrete, Improve Workabilly Without Impairing Strength And Durability With About (5 Cu.In.) 7730 Kg. of 20mm Machine Crushedstone Jelly And With About (3.3 Cum.) 5150 Kg. of 10-12mm Machine Crushed Stone Jelly And With About (4.79 Cu.m.) 7670 Kg. of Crushed Stone Sand (M Sand), But Excluding Cost of Reinforcement Grill And Fabricating Charges, Centering And Shuttering And Also Including Laying, Vibrating With Mechanical Vibrators, Finishing, Curing and including pumping charges Etc. And Providing Fixtures Like Fan Clamps In The Rcc Floor/ Roof Slabs Wherever Necessary Without Claiming Extra, Etc., Complete 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 Standards. (No Separate Payment Will Bemade By The Department For The Excess Usage of Materials) (If pumping of Concrete is required).