PROVIDING ADDITIONAL Q LINE GALVANUM ROOF SHEET SHED FOR DEVOTEES IN BUS STAND WAITING HALL BACK SIDE AT ADIVARAM ARULMIGU SUBRAMANIYASWAMY TIRUKOVIL CHENNIMALAI

Earthwork excavation for foundation in all soils and sub soils and to full depth as may be directed except in, Hard rock requiring blasting, but inclusive of shoring, strutting and baling out water wherever necessary and refilling the sides of foundation with excavated earth in layers of not more than 15cm thick, well rammed watered consolidated and depositing the surplus earth within the compound in places as shown by the departmental officers with an initial lead, and lift etc., complete complying with standard specifications. ( Narrow foundation)

Plain cement concrete 1:5:10 mix (one part of cement,Five parts of sand and Ten parts of 40 mm hard blue granite metal by volume) for leveling course in foundation bailing out water if necessary, ramming, consoli dating, curing etc., cost and conveyance of all materials complete in all respects complying with the relevant standard specifications, including at all leads & depths inside the Works.

Supplying and filling in foundation and basement with M sad in layers of not more than 15cm.thick well rammed watered and compactedetc., complete complying with standard specification.

Brick work in Cement Mortar 1:6 using best quality Bricks II class ground moulded chamber burnt bricks of size 9" x 4-3/8" x 2-3/4" for foundation, basement& superstructures including curing etc.,complete complying with standard specification.

Below GL

Above GL

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). Data No 147

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS 456 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 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 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. (No separate payment will be made by the Department for the excess usage of materials).

Above GL up to 4.50m

Supply and fabricating of steel required for all RCC works involced in the schedule including cost of steel ,cost of fabrication,labour charges for cleaning the rods straightening, cutting, bending,tying grills including over lapping to the required length wheenever necessary and placing reinforcement in position as specified in the drawing including cost of binding wire provision for spacer bar cover blocks and all other incidental charges etc., directed by the departmental officers.