Corporation Of Chennai Tender

Providing and laying, spreading and compacting graded stone aggregates to Wet Mix Macadam 250 mm thick specification including premixing the materials with water at OMC in mechnanical mix plant carriage of mixed material by tipper to site laying in uniform layers with pavers in Sub Base/ Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as per clause 406 of MORTH Rev-5

Supplying and erecting shuttering including necessary supports for plane surface in foundation and basement for RCC column footings,pintol blocks, plinth beam, staircase steps, critical steps, critical piers,etc.,using mild steel sheets of size 90x60cm and 10 gauge stiffened with welded mild steel angles of size25x25x3mm for boarding laid over silver Oak (country wood) joists of size 10x6.5cm spaced at about 90cm centre to centre and supported by casuarina props of 10 to 13cm dia spaced at 75cm centre to centre etc.,complete.

Providing And Laying Plain Cement Concrete Grade M15 (Nominal Mix) Using 20mm And Down Graded Iss Hard Broken Granite Metal Including Cost And Conveyance of All Materials To Site Including Costs of Crushed Stone Sand (M Sand), Cement And Labour Charges For Laying Compacting And Pumping Charges Curing And All Other Incidental Chrages Etc Complete In Accordance With Is 456 - 2954 (If pumping of Concrete is required).

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).

Providing & Cutting of transverse const. dummy joints of C.C.Slab for a depth of 100mm and a width of 6mm etc., including surface texturing

Finishing the Concrete surface of various grades using Power Trowel including hire charges of Power Trowel, fuel charges, labour chargesetc., complete.

Supplying and lowering PVC pipe 125mm dia plain casing pipe of 6kg/sq.cm. ISI Std.

Construction of inspection chambers of following sizes 60 x 60 x 60cm with earth work excavation for foundation with 23cm thick brick jelly cement concrete bed in C.M.1:4:10 using 40mm Brick jelly for foundation, brick work in C.M. 1:6 for chambers, plastering with C.M.1:3 12mm thick, benching, channelling, 75mm thick RCC loose slab covering in C.M.1:2:4 mix using 20mm blue granite jelly including necessary reinforcement, etc., complete for