Corporation Of Chennai Tender

Supplying and erecting centering for sides and soffits including supports and structting upto 3m high for plane surfaces such as RCC coloumns top and bottom slabs of boxing. sill labs sunshades etc. with necessary facia using mild steel sheets ofsize 90x60cm and 10 gauge stiffened with welded mild steelangles of size 25x25x3mm for boarding laid over silverOak(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.

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 as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standrands.(No separate payment will be made by the Department for the excess usage of materials)

Brick work using best quality II class Ground moulded chamber burnt bricks of size 9" X 4-3/8" X 2-3/4" in cement mortor 1:5 for foundation and basement including curing etc complete complying with standard specification.

Plastering with cement mortar 1:4 (1 cement and 4 river sand)12mm thick including curing etc. complete.

White washing one coat over a new plastered surface..

Painting the new plastered walls with two coats of Exterior emulsion paint (weather proof ) first class quality and of approved colour over a priming coat including thorough scrapping clean removal of dirt etc. complete and including necessary plaster paris putty etc. wherever required.as per (ISI STD) (It must provide excellent resistance against the growth of algae and fungi on the walls. And it must offer excellent protection against alkali and UV degradation and the durability period should be 5 years..

Supplying and fixing M.S.Grill gate of required size in twoshutters with necessary iron members gun metal cups and wheels75mm dia. with fittings locking arrangements etc. complete including painting a priming coat of approvedprimer etc. complete (The design of gate furnished is subject toalteration during execution.).

Painting new iron work two coats with ready mixed paint with relevent ISI STD of superior quality and approved colour..

Art work as per the direction of department official, over Oil Painting with first class quality and approved colour including a priming coat with thorough scrapping clean removal of dirt., etc., complete and including necessary plaster of paris, putty, etc., wherever required (Relevent ISI STD), including putty works.

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 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