tender for excavation of water harvesting structure-i - 1 water harvesting structure 2 excavation ofwater hervesting stracture-i 3 brick work in c.m 1:5 mix using 2nd class ground moulded chamber burnt bricks with including cost and conveyance of all materials and including all labour charges etc complete 4 plastering in c.m 1:5-12 mm thick with including cost and conveyance of all materials and including all labour charges etc complete 5 plastering in c.m 1:5-12 mm thick with including cost and conveyance of all materials and in 6 b ) ci bend 22.5° ( 250mm dia ) 7 construction of chamber for 100mm sluice plates 8 construction of chamber for 100mm sluices valve 9 supplying, conveying and fixing spls. including ea 10 supplying, conveying and fixing spls. including eart 11 construction of chamber for 100mm sluice plates 12 construction of chamber for 100mm sluices valve 13 laying and jointing pvc pipe. heading 14 plain cement concrete 1:4:8 ( one cement four fine aggregates and eight coarse aggregates ) using 15 brick work in c.m 1:5 mix using 2nd class ground moulded chamber burnt bricks with including cost 16 construction of chamber for 100mm sluices valve