Section 108.500 - General(a) Each unit, other than a drillship, must meet the requirements in this subpart.(b) Each drillship must meet the lifesaving system requirements in subchapter W of this chapter for a tank vessel certificated to carry cargoes that have a flash point less than 60 °C as determined under ASTM D 93 (incorporated by reference, see § 108.101 ).(c) The OCMI may require a unit to carry specialized or additional lifesaving equipment other than as required by this part, if the OCMI determines the conditions of the unit's service present uniquely hazardous circumstances which are not adequately addressed by existing requirements.CGD 84-069, 61 FR 25291, May 20, 1996, as amended at 63 FR 52814, Oct. 1, 1998; USCG-1999-5151, 64 FR 67182, Dec. 1, 1999