corrigendum : supply of set of steel wire rope sling, set consists of 2 items as per annexure enclosed. make: bharat wire ropes (or) usha martin (or) mayur (or) simplex (or) samson (or) gunnebo (or) marine allied engg co/chennai only. , set of steel wire rope sling, set consists of 2 items as per annexure enclosed. make: bharat wire rope s (or) usha martin (or) mayur (or) simplex (or) samson (or) gunnebo (or) marine allied engg co/chennai only. note: item to be sup plied along with government approved competent person test certificate for each sling. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]