Corporation Of Chennai Tender

Supplying and fixing P.V.C.pipe 160mm dia rain water downfall pipe as per ISI standard (I.S.4985) with door arrangements including P.V.C.Bend, shoes grating with F.I.clamps 40mm x 20mm of suitable size fixed to wooden plugs embedded in walls incement mortar 1:3 (1 cement and 3 Crushed Stone Sand (Commercially called M-Sand) ) including cutting holes in walls and making good the same after fixing the plugs etc.,complete as directed during the execution.

Providing Quarry Rubbish From Approved Quarry Including Cost And Conveyance of All Materials To Work Site All Labour For Spreading. Watering Compacting Etc. Complete.

Construction of cast -in- situ Silt Catch Pit of i... the finishing work etc., cost per each number.

Supplying clean Crushed Stone Sand (Commercially called M-Sand) Sand sand and filling in regular layers of 15cm thick each 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

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 kg. 92.00 92.00 92.00 etc., complete complying with standard specification (contractor has to make his own arrangements for the supply of steel and binding wire)

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 325 kg/m3 and m,aximum 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 (5.0 cum) 7730 kg of 20 mm machine crushed stone jelly and with about (3.3 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,vibrating with mechanical vibrators,finishing,curing,etc and providing complying with standard specification and

Brick work using best quality II class table moulded chamber burnt bricks of size 9" X 4-3/8" X 2-3/4" in cement mortor 1:6 for foundation and basement including curing etc complete complying with standard specification

PROTECTIVE PLASTERING Providing protective over the water proofing treatment provided over base concrete,RCC retaining wall, sunken slab and terrace in CM 1:4 to a minimum thickness of 12mm with suitable admixture.

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.