providing water supply pipe line for bhojanager tanda , rising main items : , providing and supplying in standard lengths isi mark rigid unplasticised pvc pipes suitable for potable water with solvent cement joints including cost of couplers , as per is specification no . 4985 /1988 including all local and central taxes , transportation , freight charges , m loading , unloading conveyance to the departments stores / site and stacking the same in closed shed duly protected from sun rays and rains including cost of jointing materials i . e . solvent cement , etc . complete . ( selffit type to be joinned with cement solvent note ; one coupler and required cement solvent shall be providded the each full length pipe ( mjp csr - i . no . 1b / p . no . 63 ) 90 mm 6 kg/cm2 , providing , laying & fixing pvc & gi specials of appropriate class & dia . such as tee , bend , coupler and other necessary accessories etc . complete . ( note - payment will be made as per companey price list or bill which is less ) , providing and suopplying air valves as per is - 10845 and mjps standard specifications of approved make and quality of following diameters incliuding all taxes ( central and local ) railway freight , insection charges , unloading from railway wagons , lading tnto truck transportation upto departmental stores / site unloading and stacking etc . complete , including lowering , laying and fixing in proper alignment and position all types of ci air valves as directed by engineer-in-charge including cost of conveance from stores to site of work , cost of all material and giving satisfactory hydraulic testing etc , complete ( mjp csr - i . no . 4a ( ii ) , 9a ( ii ) /p . no . 131/134 ) a ) air valves single ball flanged /screwed ( pn-1 ) 25 mm dia . , providing and fixing spring loaded non-return valve ( reflux valve ) confirming to is 5312/1969 tested to 200m head of water including all taxes ( central and local ) railway freight , unloading from railway wagon , loading in to a truck , transportation up departmental store , unloading , stacking etc , complete , pn-1 ( mjp csr - i . no . 1a ( i ) , 1a ( ii ) / p . no . 129/134 ) 80 mm dia , reflux valve - pn - 1 .