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Subchapter F—Marine Engineering

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Subchapter F—Marine Engineering SUBCHAPTER F—MARINE ENGINEERING PART 50—GENERAL PROVISIONS Subpart 50.30—Fabrication Inspection 50.30–1 Scope. Subpart 50.01—Basis and Purpose of 50.30–10 Class I, I-L and II-L pressure ves- Regulations sels. 50.30–15 Class II pressure vessels. Sec. 50.30–20 Class III pressure vessels. 50.01–10 Purpose of regulations. 50.01–15 Scope of regulations. AUTHORITY: 43 U.S.C. 1333; 46 U.S.C. 3306, 50.01–20 OMB control numbers assigned pur- 3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 suant to the Paperwork Reduction Act. Comp., p. 277; Department of Homeland Secu- rity Delegation No. 0170.1; Section 50.01–20 Subpart 50.05—Application also issued under the authority of 44 U.S.C. 3507. 50.05–1 General. 50.05–5 Existing boilers, pressure vessels or SOURCE: CGFR 68–82, 33 FR 18808, Dec. 18, piping systems. 1968, unless otherwise noted. 50.05–10 Alterations or repairs. 50.05–15 Vessels subject to regulations in Subpart 50.01—Basis and Purpose this subchapter. of Regulations 50.05–20 Steam-propelled motorboats. § 50.01–10 Purpose of regulations. Subpart 50.10—Definition of Terms Used in This Subchapter (a) The purpose of the regulations in this subchapter is to set forth min- 50.10–1 Commandant. imum requirements for marine engi- 50.10–5 Coast Guard District Commander or neering details for various types of ves- District Commander. sels in accordance with the intent of 50.10–10 Officer in Charge, Marine Inspec- title 52 of the Revised Statutes and tion, (OCMI). acts amendatory thereof or supple- 50.10–15 Marine inspector or inspector. 50.10–20 Headquarters. mental thereto as well as to implement 50.10–23 Marine Safety Center. various international conventions for 50.10–25 Coast Guard Symbol. safety of life at sea and other treaties, 50.10–30 Coast Guard number. which contain requirements affecting 50.10–35 Constructed. marine engineering. The regulations in this subchapter have the force of law. Subpart 50.20—Plan Submittal and (b) All marine engineering details, Approval such as boilers, pressure vessels, main and auxiliary machinery, piping, 50.20–1 General. valves, and fittings, shall be designed, 50.20–5 Procedures for submittal of plans. 50.20–10 Number of copies of plans required. constructed, and installed in accord- 50.20–15 Previously approved plans. ance with the provisions of this sub- 50.20–25 Calculations. chapter, except when specifically modi- 50.20–30 Alternative materials or methods of fied by the regulations in another sub- construction. chapter in this chapter for a particular 50.20–33 [Reserved] type of vessel or where a specific in- 50.20–35 Marine inspector’s decisions. stallation may be required or per- 50.20–40 Right of appeal. mitted. Subpart 50.25—Acceptance of Material [CGFR 68–82, 33 FR 18808, Dec. 18, 1968, CGD and Piping Components 95–012, 60 FR 48049, Sept. 18, 1995] 50.25–1 General. § 50.01–15 Scope of regulations. 50.25–3 Manufacturer or mill certification. (a) This subchapter provides the spec- 50.25–5 Products requiring manufacturer or mill certification. ifications, standards and requirements 50.25–7 Testing of products required to be for strength and adequacy of design, certified in presence of marine inspector. construction, installation, inspection, 50.25–10 Acceptance of piping components and choice of materials for machinery, by specific letter or approved plan. boilers, pressure vessels, safety valves, 100 VerDate Sep<11>2014 11:57 Jan 26, 2018 Jkt 241205 PO 00000 Frm 00110 Fmt 8010 Sfmt 8010 Y:\SGML\241205.XXX 241205 jstallworth on DSKBBY8HB2PROD with CFR Coast Guard, Dept. of Homeland Security § 50.05–5 and piping systems upon which safety the time specific regulations are of life is dependent. amended or added. (b) Since this subchapter contains (c) The requirements in this sub- the marine engineering details, it im- chapter revised or added subsequent to plements the requirements for inspec- July 1, 1969, shall be applicable to the tion and certification of vessels as set installations contracted for after the forth in other subchapters for specific effective dates of such requirements. types of vessels. Normally, materials, items of equip- (c) The regulations in this subchapter ment, or installations in vessels which (parts 50, 52, 53, 54, 56, 57, 58, 59, and 61 have been accepted and passed as satis- through 64) have preemptive effect over factory and meeting the applicable re- state or local regulations in the same quirements in this subchapter then in field. effect and which are maintained in good and serviceable condition to the [CGFR 68–82, 33 FR 18808, Dec. 18, 1968, as satisfaction of the Officer in Charge, amended by USCG–2012–0196, 81 FR 48250, Marine Inspection, may be continued July 22, 2016] in use until replacement is deemed nec- § 50.01–20 OMB control numbers as- essary by such officer or as specified in signed pursuant to the Paperwork the regulations. Reduction Act. (d) Items of equipment, which are in use on vessels, previously approved by (a) Purpose. This section collects and the Commandant but not complying displays the control numbers assigned with the latest specification require- to information collection and record- ments may be continued in use so long keeping requirements in this sub- as they are maintained in good and chapter by the Office of Management serviceable condition to the satisfac- and Budget (OMB) pursuant to the Pa- tion of the Officer in Charge, Marine perwork Reduction Act of 1980 (44 Inspection, until replacement is U.S.C. 3501 et seq.). The Coast Guard in- deemed necessary by such officer or as tends that this section comply with the specified in the regulations. requirements of 44 U.S.C. 3507(f) which (e) Industrial systems and compo- requires that agencies display a cur- nents on mobile offshore drilling units rent control number assigned by the must meet subpart 58.60 of this chap- Director of the OMB for each approved ter. agency information collection require- ment. [CGFR 68–82, 33 FR 18808, Dec. 18, 1968, as (b) Display. amended by CGD 73–251, 43 FR 56799, Dec. 4, 1978; CGD 77–147, 47 FR 21809, May 20, 1982; 46 CFR Part or Section where Identified or Current OMB USCG–2000–7790, 65 FR 58459, Sept. 29, 2000] Described Control No. § 50.05–5 Existing boilers, pressure Parts 50 through 64 ....................................... 1625–0097 vessels or piping systems. (a) Whenever doubt exists as to the [49 FR 38120, Sept. 27, 1984, as amended by safety of an existing boiler, pressure CGD 88–072, 53 FR 34297, Sept. 6, 1988; USCG– 2004–18884, 69 FR 58345, Sept. 30, 2004] vessel, or piping system, the marine in- spector may require that it be gaged or checked to determine the extent of de- Subpart 50.05—Application terioration, and if necessary for safety may require the recalculation and re- § 50.05–1 General. duction of the maximum allowable (a) The regulations in this sub- working pressure. chapter shall apply to the marine engi- (b) For the purpose of recalculating neering details of installations on ves- the maximum allowable working pres- sels required to be inspected and cer- sure of boilers, pressure vessels, or pip- tificated under other subchapters in ing which have deteriorated in service, this chapter as described in § 50.01–10. the applicable design formulas in effect (b) The regulations in this sub- at the time it was contracted for or chapter are not retroactive in effect, built or the currently effective design except as provided in § 50.05–5 or § 50.05– formulas in this subchapter shall be 10, or if specifically so provided for at used: Provided, That such recalculation 101 VerDate Sep<11>2014 11:57 Jan 26, 2018 Jkt 241205 PO 00000 Frm 00111 Fmt 8010 Sfmt 8010 Y:\SGML\241205.XXX 241205 jstallworth on DSKBBY8HB2PROD with CFR § 50.05–10 46 CFR Ch. I (10–1–17 Edition) based on currently effective design for- § 50.05–15 Vessels subject to regula- mulas in this subchapter does not per- tions in this subchapter. mit a higher pressure than that origi- (a) Passenger vessels, tank vessels, nally allowed by the regulations in ef- cargo and miscellaneous vessels, nau- fect at the time such work was con- tical schoolships, mobile offshore drill- tracted for or built. ing units, and oceanographic vessels (c) When existing vessels are are subject to the regulations in this reboilered, the mountings and attach- subchapter to the extent prescribed by ments shall be renewed in accordance various laws and regulations as de- with the regulations in this subchapter scribed in § 50.01–1. The applicable pro- in effect at the time such reboilering visions in this subchapter shall apply work is contracted for. The existing to all such U.S. flag vessels, and to all steam piping shall be examined. Those such foreign vessels which carry pas- portions which are in good condition sengers from any port in the United and comply with minimum thickness States except as follows: requirements in effect at the time such (1) Any vessel of a foreign nation sig- reboilering work is contracted for may natory to the International Convention be continued in service. The steam pip- for Safety of Life at Sea, 1974, and ing replaced shall be in accordance which has on board a current, valid with the regulations in this subchapter Convention certificate attesting to the in effect for new construction. sufficiency of the marine engineering (d) For the purpose of this section, details as prescribed by applicable reg- existing equipment includes only items ulations in this chapter.
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