provn of water supply and purification at model academy sagra ( proj id no 16 / 863 / ag ) provn of water supply and purification at model academy sagra ( proj id no 16 / 863 / ag ) , earthwork in excavation by manual means in trenches for foundations, drains, etc ( like not exceeding 10sqm on plan, depth upto 1.5 mtr including disposal of excavated earth upto 1 mtr form cutting edge, disposed earth is to be leveled and neatly dressed in ( all kind of soil ) , provision and laying cement concrete ( of specified grade excluding the cost of centering and shuttering – all work upto plinth 1:3:6 ( 1 cement: 3 fine sand : 6 graded stone aggregate40mm nominal size ) crushed , provision and laying cement concrete of specified grade excluding the cost of centering and shuttering.all work up to plinth 1:2:4 ( 1 cement : 2 coarse sand: 4 graded stone aggregate 20mm nominal size ) , brick work with f.p.s bricks of class designation ts in foundation and plinth in cement mortar 1:6 mix , centering and shuttering including strutting, propping etc and removal of form work for mass concrete plinth beams , 15 mm cement plaster on the rough side of the plinth & columns mix in 1:6 ( 1 cement : 6 coarse sand ) , distempering with water proof samosam of approved brand and manufacture to give an even shade.new work ( two or more coats ) over and including priming coat with cement primer on the sides. , providing corrugated g.i sheet roofing including vertical / curved surface fixed with polymer coated j or l hooks, bolts and nuts 8mm diameter with bitumen and g. i. limpet washers or with g. i. limpet washers filled with white lead and including a coat approval steel primer and two coats of approved paint on overlapping of sheets complete ( upto any pitch in horizontal / vertical or curved surface ) excluding the cost of purlins, refters and trusses and including cutting to size and shape wherever required. , provision & installation of ro plant with electric control mechanism along with motor , installation of submersible pump , provision and fixing of gi pipe 32 mmdia , provision and fixing of 2000 litre syntex => limited