Reconstruction of collapsed compound wall over retaining wall for the construction of 40 MIG flats Phase II scheme at Sholinganallur village, Chennai District

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering including necessary supports For plane surfaces such as rectangular or square RCC columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick).etc..complete in all floors complying with standard specifcation. Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Cement Concrete 1:2:4 (One Cement, Two crushed stone sand and Four hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all RCC items of works excluding cost of reinforcement grill and fabricating charges, centering and shuttering but including Super Plasticiser, laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary and bearing surfaces of walls, beams etc. shall be finished smooth with Cement Mortar 1:3 (One Cement and Three Sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers - manual mix

a) In foundation and basement

b) In ground floor

Brick partition walls of 11.50 cm thickness using best quality Fly ash Brick of size 230x110x75mm with class designation of 7.5 conforming to IS 13757-1993 or IS 12894-2002 in cement mortor 1:3 (one of cement and three of sand using hoop iron reinforcement if found necessary including Cost of Mortar Plasticizer, curing, etc., complete complying with standard specification and as directed by the departmental officers.

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Painting New Plastered Wall Surface with Two finishing coats of ready mixed (Emulsion) of approved quality and colour over one coat priming coat in all floors including the cost of primer etc., complete complying with standard specification and as directed by the departmental officers.(The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Supplying and fixing Mild Steel grills for above compount wall windows, ventilators etc.,complete complying with standard specifications and as directed by the departmental officers.

Painting new iron works for grill portion such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the red oxide priming coat in all floors including cost of priming coat etc., complete complying with standard specification and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand all grade like Fe 500, Fe550D, Fe 500 D etc., for all RCC works as per design given including cost of steel reinforcement and G.I. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(Contractor has to make his own arrangements for the supply of steel reinforcement and binding wire)

a) In foundation and basement

b) In ground floor

Dismantiling cleaning away & carefully stacking RCC by manual / by using deploying machineries

Sub Total

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