Procurement of inspection charges, design manufacturing testing inspection as per approved qap supply and delivery of hot dip galvanised gratings electro forge and as per specification and drawing given in this tender for crude oil import terminal of numaligarh refinery limited at paradip catch basin frame and gratings shall be hot dip galvanised according to is 2629 and the quantity of zinc coating shall be 900 gms per sq m of surface atra 0 12 mm uniform thichness material steel shall confirm is 2062 grade a br b0 and other related items