pistons and a plurality of fasteners or studs are pushed in the remote operating vehicle rov 18 will initially be used to hydraulically close the fitting clamp around the pipeline with reference to fig5 either before or after closing the fitting clamp 54 a plurality of guide posts 60 62 64 and 66 are lowered from the surface onto the uprights 42 44 46 and 47 respectively of the orientation frame 48 to guide and retain while the guide posts may be of various configurations in the present embodiment they have frusto conical shaped open bases the guide posts 60 62 64 and 66 are of uneven length allowing for easy landing of equipment by stabbing one guide post at a time the remote operating vehicle can guide the equipment into position a torque tool or stud tensioning assembly 70 is seen being lowered from the surface into position in fig5 the remote operating vehicle 18 will be docked into the torque tool or stud tensioning assembly 70 and the hydraulic and electronic control connections will be made the fasteners or studs on the hot tap fitting clamp 54 will thereafter be tightened by the torque tool or stud tensioning assembly once this operation has been completed the torque tool assembly or stud tensioning assembly 70 will be retracted from the guide posts and returned to the surface to facilitate the positioning of the hot tap.