Corporation Of Chennai Tender

Dismantling of RCC Slab (reinforcement is being corroded) from Storm Water Drain - Steel is declared unfit for use

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) joistsof size 10x6.5cm spaced at about 90cm centre to centre and supported by casuarina props of 10 to 13cm dia spaced at 75cmcentre to centre etc. complete..

Supplying, fabricating and placing in position Ribbed tor steel (RTS) for all RCC works as per design given including cost of steel and GI binding wire (18 G) in all floors etc., complete complying with standard specification (contractor has to make his own arrangements for the supply of steel and binding wire)

Supplying and fixing P.V.C.pipe 160mm dia rain water dwon fallpipe as per ISI standard (I.S.4985) with door arrangementsincluding P.V.C.Bend shoes grating with F.I.clamps 40mm x 20mmof suitable size fixed to wooden plugs embedded in walls incement mortar 1:3 (1 cement and 3 river sand ) including cuttingholes in walls and making good the same after fixing the plugsetc. complete as directed during the execution..

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 levelling the site with initial lead and including refilling the sides with excavated earth etc. complete

Supplying stone dust and filling in regular layers of 15cm thick including watering, consolidating etc. complete for foundation, basement, etc..

Plain Cement concrete work 1:4:8 (1 cement, 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

Providing And Laying. In Position, Standardised Concrete Mix M-30 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 400 Kg/M3 And Maximum Water Cement Ratio of 0.45 Including Admixture (Plasticiser / Super Plasticiser) In Recommended Proportions As Per Is:9103 to accelerate, Retard Setting of Concrete, Improve Workability Without Impairing Strength And Durability With About (5.0 Cu.m.) 7730 Kg. of 20mm Machine Crushed Stone Jelly And With About (3.3 Cu.m.) 5156 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 Os 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 Be Made By The Department For The Excess Usage of Materials).

Construction of cast -in- situ Silt Catch Pit of inner size 450 X 450 X 450 mm including necessary earth work excavation including providing foundation in PCC 1:5:10 under wall 150mm thick and cutting the existing storm water drain of size 300 x 150mm for fixing 2 Nos of 160mm dia PVC pipe on the storm water drain mouth with RCC cast in situ wall of size 120mm in RCC 1:1.5:3 with steel of 9.25 kg including fixing FRP Grating Cover with frame of size 550 x 550mm (clear opening 450 x 450mm) -10 MT -completing the finishing work etc.

Safety materiaal

Gunny bag