tender for supplying, fitting and fixing pvc pipes for underground work of approved make of schedule 80 (medium duty) conforming to astmd - 1785 and threaded to match with gi pipes as per is : 1239 (part - i). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted including cost of all materials ,jointing materials, cutting pipes, making threads ,cutting trenches upto 1.5 metre below surface in all sorts of soil and refilling the same as directed complete in all respect. (payment will be made on the centre line measurement of the total pipe line including all specials no separate payment will be made for accessories, specials.) pvc pipes (dia) 40 mm , single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. , ordinary cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant is codes. a) pakur variety , gst @ 18%(cgst 9% + sgst 9%) of above , labour welfare cess@1%