Bund Development works to river side along with construction of retaining wall work for 304 HIG MSB residential flats and Commercial complex at Arumbakkam, Chennai.

Construction of Retaining wall

Labour charges for Drilling/boring towards provide under reamed cast in situ pile of 300mm dia to a depth of 0m to 4.50m depth from the Existing Ground level with single bulb including cost of machinary, labour charges and other materials required etc..complete complying with the standard specification and as directed by the departmental officers. ( Concrete and Steel reinforcement shall be measured and paid seperately )

Refilling with excavated earth other than sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15cm thick well rammed with surface vibrator, watered and consolidated etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation, basement, etc with Sand Gravel mix in ratio of 1:3 in layers of not more than 15cm thick thoroughly mixed, well watered, rammed with surface vibrator and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Lime Sand Metal Mix 1:3:6 (One Lime, Three crushed stone sand and Six broken stone jelly) using 20mm size hard broken stone jelly for dummy Pile,etc., complete and as directed by the departmental officers.

Cement Concrete 1:3:6 (One Cement, Three crushed stone sand and Six broken stone jelly) using 20mm size hard broken stone jelly for dummy columns,etc., excluding cost of centering shuttering reinforcement grills and fabrication charges but including Cost of Mortar Plasticizer, curing etc. complete and as directed by the departmental officers. (Dummy columns should be at least 1 metre height)-Mixing by mechanical means

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.

Providing and laying in position, Standardised Concrete Mix M-30 Grade by insitu machine mix concrete adopting weighing batch method 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 400 kg/m3 and maximum water cement ratio of 0.45, including admixture (plasticiser / superplasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 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 crushed stone 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.

Manufacturing, supplying and fixing in position plain cement concrete precast kerb slab of size 300mm x 300mm x 150mm in Cement Concrete 1:2:4 (One cement, Two crushed stone sand and Four jelly) using 20mm HBG stone jelly including cost of moulding charges, casting of slab, finishing, curing, fixing and pointing the slab with CM 1:3 (One Cement and Three Crushed Stone Sand) to full depth of slab etc., complete complying with standard specification and as directed by the departmental officers

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.

Supply and Placing of Bituminous Pad at Expansion joint including cutting chargeetc., complete complying with standard specification and as directed by the departmental officers.

Supply and Placing of 75mm Dia PVC pipe as Weep Hole at suitable places (1.5m spacing) including cutting charge etc., complete complying with standard specification and as directed by the departmental officers

Supply and filling in foundation and basement with Gravel in layers of not more than 15cm.thick well rammed watered and compacted with surface vibrator, watered and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

SUB TOTAL

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