Tamil Nadu Generation And Distribution Corporation Limited Tender

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton. (Payment for centering shall be given after the concrete is laid)

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).

Supply and Construction of Pre cast Concrete Solid Block Masonry in CM 1:4 using Solid concrete blocks of size 400 x 200 x 200 mm of grade M10 (1:3:6) for foundation and basement, Super structure with all kind of labour,lead, lift, materials,curing etc.complete.

Supplying fixing and errecting of Rectangular steel hollow section fixing for Galvolume sheet Cladding and MS flat of size 10 mm thick for fixing G.I. sheet. The cleats shall be welded to the Vertical hollow section firmly.The foundation Base plate section will be fixed in concrete at coloumns and well cured, labour for erection of approved quality transporta- tion,priming coat for all members, cutting, bending, and welding etc., The sections should be given priming coat of Rex Oxide primer of approved quality including labour for erection, transportation, welding etc., complete complying with standard specification.

Supplying and fixing by drilling holes and not by punching for Roofing with pre painted Galvalum sheet of 0.47mm thick of best approved quality with required size with curved shape and white ridge sheet with necessary bolts and nuts bitumen washers, including cutting the sheet to the required size found necessary during execution etc., Complete complying with standard specifications. [The sheet should be got approved by the Engineer incharge before use on works]

Gravel Filling including cost of gravel,transport charges, spreading and consolidation of each layer 300 mm with power roller , labour, lead, lift etc., complete.as directed by dept. Engineer at Site

Plastering with CM 1:3, 12mm thick for walls including cost of all materials, labour, lead, lift etc., complete. - Pedestals

Colour washing two coats out side walls by using Exterior emulsion paint over a primer one coat of approved quality with suitable colour including cost of all materials, labour, lead, lift, curing etc., complete.

G.S.T. @18% should be Entered by the Bidder