[Code of Federal Regulations] [Title 46, Volume 7] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR170.200] [Page 105] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 170_STABILITY REQUIREMENTS FOR ALL INSPECTED VESSELS--Table of Contents Subpart F_Determination of Lightweight Displacement and Centers of Gravity Sec. 170.200 Estimated lightweight vertical center of gravity. (a) Each tank vessel that does not carry a material listed in either Table 1 of part 153 or Table 4 of part 154 of this chapter may comply with this section in lieu of Sec. 170.175 if it-- (1) Is 150 gross tons or greater; (2) Is of ordinary proportions and form; (3) Has a flush weather deck, one or more longitudinal bulkheads, and no independent tanks; and (4) Is designed not to carry cargo above the freeboard deck. (b) When doing the calculations required by Sec. Sec. 170.170 and 172.065, the vertical center of gravity of a tank vessel in the lightweight condition must be assumed to be equal to the following percentage of the molded depth of the vessel measured from the keel amidship: (1) For a tank ship--70%. (2) For a tank barge--60%. (c) As used in this section, molded depth has the same meaning that is provided for the term in Sec. 42.13-15(e) of this chapter. [CGD 79-023, 48 FR 51010, Nov. 4, 1983, as amended by CGD 85-080, 61 FR 944, Jan. 10, 1996]