156.130—Connection.
(2)
Use a bolt in at least every other hole, and in no case less than four bolts, in each temporary bolted connection that uses a flange that meets American National Standards Institute (ANSI) standard flange requirements under § 154.500(d)(2) of this chapter ;
(3)
Use a bolt in each hole in each temporary bolted connection that uses a flange other than one that meets ANSI standards;
(6)
Tighten each bolt and nut uniformly to distribute the load and sufficiently to ensure a leak free seal.
(b)
A person who makes a connection for transfer operations must not use any bolt that shows signs of strain or is elongated or deteriorated.
(c)
Except as provided in paragraph (d) of this section, no person may use a connection for transfer operations unless it is:
(d)
No person may transfer oil or hazardous material to a vessel that has a fill pipe for which containment cannot practically be provided unless an automatic back pressure shutoff nozzle is used.