supply of mor pit and mine catcher cum protector ( job no 6792 and 6613 ) , supply of mor pit as per technical specification , store list and drawing attached in part-ii of rfp at appendix a ( for at rajouri ) , mine catcher cum protector having ms wire 2 . 5 mm dia and aperture size 25 x 25 mm automechanised mattress with top & bottom protector of 35 x 5 x 1 mm turner alongwith vertical alignment member & clamp arrangement for three spike of 10 mm tmt bar ( make tata/ sail/jindal ) reversible fixing 10 x 650 mm ( clear height 500 mm ) in 3 meter size with suitable for underground bottom order & easy handling & carrying upto operational field with two coat of zinc chromate metal primer . ( for: rajouri )