Revamping of branch Sewer lines with chambers at 13th Avenue, 15th Avenue North and 21st, 23rd Street at PDPM area of Kalpakkam Township.

All kinds of soil upto 1.50mtr depth

All kinds of soil exceeding 1.50 mtr depth but not exceeding 3.00 mtr depth

Filling available selected excavated earth (excluding rock) available at site with in lead of 500m in trenches, plinth, sides of foundation, etc., in layers not exceeding 200 mm in depth including consolidating each deposited layer by ramming and watering, levelling and dressing the top surface, lead upto 200m and lift upto 1.5m etc., all complete as per specification.

Removal and uprooting tree roots with necessary excavation cutting the lateral roots, conveying the uprooted tree roots at the places as directed including filling the excavated pits all as per specification.

Providing a system for dewatering and drainage of water from site to main drain so as to retain the excavated formation dry for the duration required including all equipments, consumables, site protection, etc., all complete as per specifications and as directed by Engineer- in-Charge.

1 : 2 : 4 (1 cement : 2 sand : 4 graded stone aggregate 20mm nominal size)

Manufacturing, supplying, hoisting and fixing in position at all lifts, precast units of various patterns and sizes for precast plain solid units, slabs, exhaust fan moulds etc., in reinforced cement concrete of 1:1.5:3, using 20mm and below machine crushed graded stone aggregate and crushed stone sand including weigh batching, mechanical mixing, casting, vibrating, finishing of exposed faces, curing, necessary formwork & moulds, transporting and placing at all lifts, preparation of connections, grouting with cement mortar/cement grout wherever needed excluding steel reinforcement complete all as per drawing, specification and as directed by Engineer-in-Charge.

Providing, cutting, bending, placing and binding steel reinforcement using TMT bars of Fe-500D grade in all reinforced cement concrete works including cutting, bending, fixing, tieing in position with 1.6 mm dia soft drawn annealed binding wire, cost of cover blocks in C.M 1:2, etc., complete as per specifications and drawings. Important Note: The required quantity of steel reinforcement as mentioned in the schedule should be procured by the contractor only of SAIL, Rashtriya Ispat Nigam Limited (VIZAG), TATA Steel & JINDAL from authorised dealers which shall conform to IS: 1786 (Latest Edition).