Metropolitan Transport Corporation Chennai Limited Tender

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/mᶾ 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 workability without impairing strength and durability with about (5 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 sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, 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 be made by the Department for the excess usage of materials).

Providing two legged scaffolding using 15 cm dia casuarinas post of 4 M over all length (3 M Height + 0.5 M Projection + 0.5 M into the Ground) the distance between the two rows being 1.25 M and the spacing of posts being 2.0 M in both the rows with two horizontal posts with 0.5 M. Overlap on either side and braces at 2.0 M Center to center including longitudinal and transverse middle braces to step up and providing a platform with country wood planks of 40 mm thick and 1 M width, etc. in a complete from using coil and nails.

inital height up to 4.00m

addition height up to 2.50m

Removal of damaged AC sheet with 6mm thick asbestos cement sheets of fully corrugated or traffod including the cost of all safety arrangements .complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing AC sheet roofing with 6mm thick asbestos cement sheets of fully corrugated (grey colour) of approved quality by drilling holes (and not by punching) with necessary ‘J’ / ‘U’ bolts and nuts of 8mm dia of suitable length and providing one set of bitumen washers of 25mm dia and 1.60mm thick for each bolt including protruding portion of bolts in roof shall be covered with bitumen compound etc., complete complying with standard specification and as directed.

Painting iron works such as steel doors, windows, ventilators, window bars, I section,Truss,Laties,candilever balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the a red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Supplying and painting the walls with two coats of oil bound distemper cost for distemper, cleaning and scrapping the walls, rendering the walls smooth with necessary putty, brushes, scaffolding arrangements, labour charges, etc., as per standard specification. (The colour and shade of the distemper shall be got approved by the Executive Engineer before use of work).

Plastering with cement mortar 1:5 (one cement and five m sand) 12mm thick with fine m sand for flooring including curing, neat finishing, etc., complete complying with standard specification and as directed by the Departmental officers. S.I. 309 TNBP No. 55& 56

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