33 C.F.R. § 149.5
Definitions applicable to this part appear in 33 CFR 148.5 . In addition, the following terms are used in this part and have the indicated meanings:
Accommodation module means a module with one or more accommodation spaces that is individually contracted and may be used for one or more facilities.
Major conversion means a conversion, as determined by the Commandant (CG-5P), that substantially changes the dimensions of a facility, substantially changes the water depth capability of a fixed facility, substantially changes the carrying capacity of a floating facility, substantially changes the processing equipment, changes the type of a facility, substantially prolongs the life of a facility, or otherwise so changes the facility that it is essentially a new facility.
Service space means a space used for a galley, a pantry containing cooking appliances, a storeroom, or a workshop other than those in industrial areas, and trunks to those spaces.
Sleeping space means a space provided with bunks for sleeping.
33 C.F.R. §149.5