biennial rate contract for outsourcing of piping installation and small bore pipe fabrication activities of p15b and p17a , fabrication of small bore pipes ( size-32nb and below ) :-carbon steel ( ferrous ) above 10nb to 32mb , fabrication of small bore pipes ( size-32nb and below ) :- 90/10 or 70/30 cupro nickle/copper/stainless steel ( non-ferrous ) above 10nb to 32nb , setting and installation of deck/bulkhead fitting:-deck/bhd fitting above 25nb to 65nb , setting and installation of deck/bulkhead fitting:-deck/bhd fitting above 65nb to 150nb , setting and installation of deck/bulkhead fitting:-deck/bhd fitting above 150nb to 250nb , fabrication of jigs/template:-fabrication of jig/template using 20nb and 25nb seamed carbon steel pipes , setting of semi-finished pipes:- carbon steel pipes ( ferrous ) above 32nb to 250nb , setting of semi-finished pipes:-cuni 90/10 , cuni 70/30 , stainless steel , copper ( non-ferrous ) above 32nb to 250 nb , installation of finished pipes:-carbon steel pipes ( ferrous ) above 10nb to 250nb , installation of finished pipes:-cuni 90/10 , cuni 70/30 , stainless steel , copper ( non-ferrous ) above 10nb to 250nb , installation of system valves , strainer , bellow , educator and other pipe fittings onboard ship ( all sizes ) :-item above 20nb to 50nb , installation of system valves , strainer , bellow , educator and other pipe fittings onboard ship ( all sizes ) :-item above 50nb to 100nb , installation of system valves , strainer , bellow , educator and other pipe fittings onboard ship ( all sizes ) :-item above 100nb to 250nb , installation inspection ( ii ) pressure testing ( pt ) of complete system after fitment of all pipes and fittings:-installation inspection ( ii ) of pipes , installation inspection ( ii ) pressure testing ( pt ) of complete system after fitment of all pipes and fittings:-pressure testing of pipes