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REGISTER
VOLUME 19

1934

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i/AIITEO

NUMBER 26

Washington, Saturday, February 6, 1954

TITLE 46 SHIPPING
Chapter I Coast Guard, Department of the Treasury Subchapter F M arine Engineering C G F R 5 4 -2
M a t e r ia l s , C o n s t r u c t io n , U n f ir e d P r e s
su r e V e s s e l s , and P i p i n g f o r M e r c h a n t V essels
A notice regarding proposed miscel laneous changes in the Marine Engineer ing Regulations for merchant vessels was published in the F edera l R e g is t e r dated September 9,1953,18 F. R. 5433, as items IX, X, and XI on the agenda to be con sidered by the Merchant Marine Coun cil, and a public hearing was held by the Merchant Marine Council on Septem ber 29, 1953, at Washington, D. C. All comments, views, and data submitted were considered and where practicable were incorporated into the regulations.
The amendments >to 46 CFR 51.04-1, 51.07-1, 51.13-1, 51.22-1, 51.25-1, 51.34-1, 51.46-1, 51.49-1, 51.58-1, 51.61-1, 51.67-1, 51.70-1, 51.73-1, and 51.76-f revise and bring up to date the requirements with respect to standard specifications issued by the American Society for Testing M a t e r i a l s . These amendments are based on. item IX of the agenda.
The cancellation of 46 CFR 52.01-80, regarding boilers on barges, and 46 CFR
52.20-10 i, regarding detailed require ments for manhole and handhole open ings in externally fired boilers, is because these regulations are no longer neces sary. These changes are based on item IX of the agenda.
Table 52.05-10 a in 46 CFR 52.05-10
is amended by adding maximum allow able stress values for steel forgings ASTM designation A182-52aT and steel castings ASTM designation A35152T, and by revising the maximum allowable stresses for certain other fer rous materials. This change is based on item IX of the agenda.
The amendments to 46 CFR 52.05-5
a, 52.05-12 g, 52.15-5 a, 52.20-5
a, and 52.22-5 a clarify the intent of the regulations with respect to the materials to be used in the shells and heads of boilers. These changes are based on item IX of the agenda.

The amendment to 46 CFR 52.35-20
f permits stays and staybolts in fire tube boilers to be attached by welding in addition to the methods previously per mitted. This change is in substantial agreement with the requirements of the American Society of Mechanical Engi neers boiler code.. This amendment is based on item IX of the agenda.
Table 52.55-10 a2 in 46 CFR 52.55-10
a 2 is made applicable to seamless low carbon steel tubes subject to internal pressure where expanded into drums or headers. The values set forth in this table may be used in the computations to determine the maximum allowable pressures for electric-resistance-welded low carbon steel tubes when used as either boiler, waterwall, economizer, or superheater tubes when fully enclosed within the boiler setting. When such tubes are to be used outside the boiler casing the maximum allowable pressures shall not exceed 85 percent of the values set forth in table 52.55-10 a2. This amendment is based qn item IX of the agenda.
The amendments to 46 CFR 54.03-15, 54.03-20, and 54.03-35, regarding the design and construction of unfired pres sure vessels, are intended to bring Coast Guard requirements into closer agree ment with the standards of the Tubular Exchangers Manufacturers Association and to clarify the intent of the regula tions. The amendment to 46 CFR 54.0335, regarding access and inspection openings, will bring Coast Guard re quirements into closer agreement with the requirements of the American Society for Mechanical Engineers. These changes are based on item X of the agenda.
The amendments to 46 CFR 55.07-1
and 55.07-5 revise the requirements re garding seamless alloy steel pipe and will require that alloy steel bent pipe should be heat treated in order to remove locked up stresses as well as to refine the grain structure. The specification references and grade designations have been re vised and brought up to date. These changes are based on item XI of the agenda.
Continued on next page
CONTENTS
Agricultural Marketing Service Fa€e Rules and regulations:
Lemons grown in California and Arizona; limitation of ship 731
ments______ ._____ l________
Oranges, navel, grown in Ari zona and designated part of California; limitation of han dling 2 documents______ _ 729
Agriculture Department See also Agricultural Marketing Service.
Notices :
Disaster areas, designation of :
Nevada_____________ :____ 735
Utah______________________
735
Disaster assistance ; designa tion of production disaster area and delineation and certification of counties in economic disaster area :
734
Alabama___________
Louisiana_________________ - 734
Mississippi________________ - 734
Virginia__________________
735
Production disaster areas:
Designation of ;South Da kota 735
Redesignation of ; Califor nia 734
Army Department See Engineers Corps.
Coast Guard Rules and regulations:
Marine engineering; materials, construction, unfired pres sure vessels, and piping for merchant vessels___________
723
Defense Department $ee Engineers Corps.
Defense Mobilization Office Notices:
Assistant Director for Non-Mil itary Defense; establishment 740
of position_____________ __
Engineers Corps Notices:
Fees for licensing and related activities________________ 734
Rules and regulations:
Danger zone regulations; At lantic Ocean off Delaware coast ----------- -----------733
723