Construction of Closed Drain along Route No.66 Bus Shelter in Ward No.49 at Zone 4 Tambaram City Municipal Corporation

Earth work Open excavation by Mechanical Means for Open Earthwork in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directed by the departmental officers.

Dewatering Pump with Engine using 40 HP Motor including cost and conveyance of all materials and labour charges etc complete

Supplying and filling in foundation, basement, etc with filling crushed stone sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers. -Mixing by manual means

For Drain

For Slab

Supplying, fabricating, and placing in position of mild steel for all reinforced cement concrete works including cost and conveyance of steel and binding wire and all other labour charges for cutting bending tying grills charges for cutting, bending tying grills, straightening welding charges etc, complete complying with standard specification.

Providing and Laying in position, Standardised Concrete Mix M-20 Grade in accordance with IS:456-2000, using 20mm downgraded hard Brocken granite stone jelly for all RCC items of works with minimum cement content of 325 Kg/m3 and maximum water cement ratio of 0.555, including admixture (plasticiser/super Plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without improving strength and durability with about (5 cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3cu,m) 5156 kg of 10-12 machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of sand, but excluding cost of reinforced grill and fabrication charges, cantering and shuttering and also including laying, vibrating with mechanical vibrators, finishing curing etc., and providing fixture 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 aggregate to be used should comply with requirements of IS Standards (No separate payment will be the department for the excess usage of materials)

Construction of Cast in situ silt catch pit with rain water harvesting arrngements of inner size 450x450x450 mm with bottom slab and walls of 150mm thick using M25 mix including cost and conveuyance of all materials and all labour charges etc with necessary earth work foundation and steel reinforcements etc complete