tender for reconstruction of storm water drain at voc street cross- 2, 3 & 4 in ward no:51, east zone, coimbatore corporation roc.no. 10597 / 2023 / d1e; 1 dismantling the old damaged cement concrete as per the direction of the departmental officers. 2 earth work excavation in all soils and sub soils to full depth as may be directedby the departmental officers exceptin hard rock requiring blasting but inclusive of shoring, strutting and balling out water wherever nessasaryand depositingthesurplus earth within initial leadof 10 metre and initial lift of 2 metreetc., completeas per standard specifications ss 3 cement concrete 1:4:8 ( one cement, four sand and eight aggregater ) using 40mm bss hbg metalincluding cost of all materials and labour charges formixing, laying, compacting and curing etc, complete as per ss 4 centering with steel centering for revetment, drain and culvert upto 1.20m depth using ms sheet of size 0.90x0.60m 10 gauge thick and stiffened with ms l angle wood runners of size 0.075 x 0.05 three rows with support by casurina pullys 0.075 cm at 0.45 m length including cost of nails etc., area. 10.80 sq.mtr ( upto 4feet ) 5 cement concrete 1:3:6 ( one cement, three sand and six aggregater ) using 20mm bss hbg metal and including cost of all materials and labour charges formixing, laying, compacting and curing etc, complete as per ss 6 plastering with cement mortar 1: 5 mix ( one cement and five sand ) 12 mm thickincluding cost and conveyance of all materials, finishing, curing, and all labour chargesetc.completeas standard specification. 7 conveyance of the excavated earth work and including all cost etc complete.,