tender for set of clamping arrangement for 20 mm nb pipe each set consisting of 01 no clamp, item no. - 1 ofrdso drg. no. wd-04058-s-01, alt - 5 or latest, and 01 no. packing (100 x 40 x 40) of item no. - 18 of rdsodrg. no. 06076-s-22, alt.2 or latest &, 02 nos of std. hex head bolt m 10 x 100 mm long with std. nut and springwasher to is:1363 & is: 3063 (in assembled condition).