conversion of hov to mov supply , installation , testing and commissioning of electrical actuators on existing hand operated valves ( hovs ) at gspl , guwahati and bongaigaon for conversion of hand operated valves ( hovs ) to motor operated valves ( movs ) , supply of 16 nos . split sleeve leak repair clamp following specifications and as per tender documents: , 8 inch , 150# , differential pressure 20kg / cm2 , 8 inch , 600# , differential pressure 81 . 2kg / cm2 , 8 inch , 600# , differential pressure 81 . 2kg / cm2 , 6 inch , 150# , differential pressure 20kg / cm2 , packing & forwarding and freight charges details , packing & forwarding charges ( in % on basic price ) , freight charges ( in % on basic price )