tender for tubewell or handpump drilling work and supply of payjal materials in gp napawali ps bhadesar distt. chittorgarh , construction of tube-well upto 100 meter depth and above in all type of rocks by dth system and over burden to accommodate casing pipe of following sizes in all types of soil and over burdens including lowering of casing pipes but excluding cost of casing pipes as per is: 2800 ( part i & ii ) 1979 specifications. the work would be completed after obtaining sand free water. the tube well should have thr oughout bore as per nominal dia of casing pipe: 150 mmdia. ( pwd 4.2.3 ) , supply of erw m.s. black casing pipe isi marked ( is:4270 / 1992 ) of grade fe 410 of nominal bore 150mm dia outside 168.3mm thickness 5.0mm mass of plain tube ( 20.13mm ) following sizes at site of work. ( pwd 4.5.3 ) , supply of erw m.s. black casing pipethickness upto 3.00mm , p / l of isi mark unplastisized polyvinyl chloride ( pvc-u ) casing pipe as per is : 12818 : 2010 for hand pump with threading, winding with superior quality of plastic mesh & rope in three layers with end cap complete. internal 150 mm dia nominal bor pwd electrical bsr 2022 item 21.2.1.1 , s / f of ms bore cap 150mm dia. ( pwd 4.8.3 )