procurement of various mechanical items for day to day maintenance of various tubewells under najafgarh ac-35.-- 1 ms clamp suitable for holding 50 mm dia gi pipe made from 600x100x12 mm thick ms plate with complete set.make:- djb approved 2 f/s of ms bore cover suitable for 200mm dia ms pipe. the bore well be fabricated with ms flat size 50mm width 5mm thickness and ms sheet 18swg in 2 half pieces i/c suitable clamping arrangement having internal hole as per requirement.make:- djb approved 3 gi double flanged 90 degree 50 mm dia size bend.make:- djb approved 4 supply of 50 mm dia. ci double flanged pn 1.0 nrv without bypass. make :- ivc/kirloskar 5 orifice assembly 50 mm dia. complete.make:- djb approved 6 g.i tail piece 50 mm dia 0.5 mtr. long with one end threaded & other end flanged having 3 no l-type brackets duly welded with flange having 4 nos. hole & cut for cable.make:- djb approved