Construciton of Storm Water Drain Anna nagar ward no 18 in Madukkarai Municipality

Amount

Earth work exvacation for foundation in all soils and sub soils to full depth as may be directed except in hard rock requiring blasting but inclusive of shoring strutting and baling out wherever necessary and refilling the sides of foundation with excavated earth in layer of not more than 15cm thick well rammed and consalidated and deposing the surplus earth in all places shown by the departmental officers with an initial load and lift etc., as per stanadard specification

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 mechanical means

Supplying and erecting steel centering including necessary supports for plane surfaces in foundation and basement for reinforced cement concrete works such as column footings, plinth beam, grade beam, stair case steps, bed blocks etc. which require only normal strutting using M.S. sheets of size 90cm x60cm BG 10 gauge of stiffened with mild steel angles of size 25mm x 25mm x 3mm for boarding laid over silver oak joists of size 10 x 6.50cm spaced at about 90 cm centre to centre and supported by the casurina props of 10cm to 13cm dia spaced at 75cm centre to centre at suitable intervals etc. complying with standard specification. (The payment for centering shall be made only after the concrete is laid. The retrieved materials should be taken back by the contractor) (TNBP No: 30, 44H)

Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.-Mixing by mechanical means

roviding granolithic floor finish of 25mm thickness with plain cement concrete 1:2:4 (One Cement, Two crushed sand (M-Sand) and Four aggregate) using 10 to 12mm gauge hard broken stone jelly including laying, finishing and the top rubbed smooth with power trawl, thread lining, curing etc. complete complying with standard specification and as directed by the departmental officers. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers)

C BALASUBRAMANIAN (BID ID -1544701)