tender for b7)-a/mtc. of ephs (w/s) i... b7)-annual maintenance of ephs (w/s) in sector-6, u/e panipat-boring and installation of 1 no. pvc shallow t/well at new site in green belt t/well no. 3 water works near plot no. 258 in sector-6 panipat - 1 [20.11.2]providing and fixing cast iron double flanged swing check type reflux (non return) valves pn-1.6 marked with is:5312 including nuts and bolts marked with is:1363, rubber sheet marked with is:638 etc., carriage loading, unloading, stacking, handling, re-handling etc. complete in all respect to the satisfaction of engineer-in-charge 2. 100 mm i/d 2 [20.90.1]drilling of 250mm dia of bore through bokky type instrument complete in all respect including charges for shifting of infrastructures as per is code 12818: 1992 1. 0 to 50m bgl 3 [20.90.2]drilling of 250mm dia of bore through bokky type instrument complete in all respect including charges for shifting of infrastructures as per is code 12818: 1992 2. 51 to 75m bgl 4 [20.90.3]drilling of 250mm dia of bore through bokky type instrument complete in all respect including charges for shifting of infrastructures as per is code 12818: 1992 3. 76 to 100m bgl 5 [20.91]providing and lowering 225 mm outer dia upvc pipe threaded(10kg/cm2) duly isi marked is code 12818:1992 complete in all respect as per directions of engineer-in-charge 6 [20.92]providing and lowering 225mm outer dia upvc filter jali (10 kg/cm2) duly isi marked is code 12818:1992 complete in all respect as per directions of engineer-in-charge 7 [20.93]providing and fixing 250 mm m.s. clamp as for suitable pipe with nut and bolt complete in all respect as per directions of engineer-in-charge 8 [20.94]providing and fixing upvc cap for 225mm outer dia upvc pipe (10kg/cm2) duly isi marked is code 12818:1992 complete in all respect as per directions of engineer-in-charge 9 [20.95]development of tube well with pump of suitable rating to that full satisfaction and as directed by the engineer-in-charge