corrigendum : supply of set of polyester slings, set consisting of 5 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 or similar. , set of polyester slings, set consisting of 5 items as per annexure enclosed. make: bharat wire ropes (or) usha marti n (or) mayur (or) simplex (or) samson (or) gunnebo (or) marine allied engg co/chennai or similar. note: government approved lab test certificate to be submitted along with supply 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 ] ]