supply of single point mooring ( spm ) buoy, plem along with all accessories for offshore terminal at wrpl vadinar ( gujarat ) supply items: design , engineering , fabrication , inspection , testing and supply of spm system , plem and accessories on cif basis ( as per detailed sor item serial number 1 ) , spm n1 - supply of spm system complete with plem and accessories on cif basis ( as per detailed sor item serial number 1 . 1 ) , spm n2 - supply of plem and accessories on cif basis for existing spm buoy ( as per detailed sor item serial number 1 . 2 ) , service items: service charges for installation & commissioning and barge availability ( as per detailed sor item serial number 2 ) , charges for expert engineer for supervision during unloading ( as per detailed sor item serial number 2 . 1 ) , charges for expert engineer for supervision during installation & commissioning ( as per detailed sor item serial number 2 . 2 ) , charges for mobilization & demobilization of engineer for supervision during unloading ( as per detailed sor item serial number 2 . 3 ) , charges for mobilization & demobilization of engineer for supervision during installation & commissioning ( as per detailed sor item serial number 2 . 4 ) , charges for availability of cargo barge ( as per detailed sor item serial number 2 . 5 )