tender for providing 200mm ac drain pipe at ward no 9 high school street in thondi town panchayat.; 1 earthwork excavation for foundation in all soils and sub soils in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders and to full depth as may be directed,except in hard rock,requiring blasting including shoring and shuttering and bailing out of water wherever necessary,refilling the sides ofcompound in places shown by the departmental officers with iniital lead and lifts,clearing and levelling the site etc., complete as per ss20b and as directed by departmental engineers 2 supply and delivery of 200 mm ac pipe in with isi mark including cost and conveyance of all materials and labour charges etc, complete class 20 3 jointing ac pipes with cement using necessary collars including the cost of jointing materials class 20 4 refilling the excavated soil complying with standard specification in layers of 15cm thick well rammed and consolidated after the pipe and specials are laid and tested