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Federal Register / Vol. 86, No. 199 / Tuesday, October 19, 2021 / Proposed Rules
pressure rise caused by hydraulic shock; and b. In paragraphs b and c, remove the word shall wherever it appears and add, in its place, the word must.
284. Amend 58.3010 as follows:
a. In paragraph b:
i. Remove the word shall wherever it appears and add, in its place, the word must; and ii. Remove the text D 92 and add, in its place, the text D92;
b. In paragraphs c and d, remove the word shall wherever it appears and add, in its place, the word must;
and c. Revise paragraph e.
The revision reads as follows:
58.3010

Hydraulic fluid.

e The recommendations of the system component manufacturers must be considered in the selection and use of hydraulic fluid.
285. Amend 58.3015 as follows:
a. Revise paragraph b;
b. In paragraph c:
i. Remove the word shall and add, in its place, the word must;
ii. Remove the text 46 CFR 58.031
wherever it appears and add, in its place, the text 58.031; and iii. Remove the text A 193 and add, in its place, the text A193;
c. Revise paragraph d; and d. In paragraphs e and f, remove the word shall wherever it appears and add, in its place, the word must.
The revisions read as follows:
58.3015 Pipe, tubing, valves, fittings, pumps, and motors.

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b Materials used in the manufacture of tubing, pipes, valves, flanges, and fittings must be selected from those specifications that appear in table 1 to 56.601 or table 56.602; or they may be selected from the material specifications of Section I or Section VIII of the ASME BPVC both incorporated by reference; see 58.03
1. Materials designated by other specifications must be evaluated on the basis of physical and chemical properties. To assure these properties, the specifications must specify and require such physical and chemical testing as considered necessary by the Commandant. All tubing and pipe materials must be suitable for handling the hydraulic fluid used and must be of such chemical and physical properties as to remain ductile at the lowest operating temperature.

d The maximum allowable working pressure and minimum thickness must
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be calculated as required by 56.07
10e of this subchapter.

58.3020

Amended
286. In 58.3020, remove the word shall wherever it appears and add, in its place, the word must.
287. Amend 58.3025 as follows:
a. Revise the last sentence of paragraph a; and b. In paragraphs b and c, remove the word shall wherever it appears and add, in its place, the word must.
The revision reads as follows:

58.3025

Accumulators.

a Accumulators must meet the applicable requirements in part 54
of this subchapter.

58.3030

Amended
288. In 58.3030, amend paragraphs d and e by removing the word shall wherever it appears and add, in its place, the word must.
289. Amend 58.3035 as follows:
a. In paragraphs a, b, and c, remove the word shall wherever it appears and add, in its place, the word must; and b. Revise paragraph d.
The revision reads as follows:

58.3035

Testing.

d Fluid power and control systems must be purged with an inert gas or with the working fluid and all trapped air bled from the system prior to any shipboard testing.

58.3040

Amended
290. Amend 58.3040 as follows:
a. Remove paragraph a5 and redesignate paragraph a6 as a5;
and b. Reserve paragraph b.

58.3050

Amended
291. In 58.3050, reserve paragraph b.
292. Amend 58.501 as follows:
a. Revise paragraph b; and b. In paragraph c, remove the word shall and add, in its place, the word must.
The revision reads as follows:

58.501

General requirements.

b Passenger vessels exceeding 100
gross tons constructed on or after July 1, 1935, and all emergency systems converted on or after July 1, 1935, must use fuel which has a flashpoint exceeding 110 F. for internal
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combustion engine units. Such vessels must carry a sufficient quantity of fuel to supply the emergency electrical system. Refer to 112.055 of subchapter J Electrical Engineering, of this chapter.

293. Amend 58.505 as follows:
a. In paragraph a2, remove the text Table 1 to 58.505a and add, in its place, the text table 1 to 58.50
5a4;
b. Redesignate table 1 to 58.505a as table 1 to 58.505a4;
c. In newly redesignated table 1 to 58.505a4:
i. Remove the text 46 CFR and add, in its place, the symbol ;
ii. Remove the text B 209 and add, in its place, the text B209;
iii. Remove the text B 127 and add, in its place, the text B127;
iv. Remove the text B 122 and add, in its place, the text B122;
v. Remove the text B 152 and add, in its place, the text B152; and vi. Remove the text B 96 and add, in its place, the text B96;
d. Revise paragraph a6; and e. In 58.505, remove the word shall wherever it appears and add, in its place, the word must.
The revision reads as follows:
58.505

Gasoline fuel tanks.

a
6 Fittings. Nozzles, flanges, or other fittings for pipe connections must be welded or brazed to the tank. The tank openings in way of pipe connections must be properly reinforced where necessary. Where fuel level gages are used, the flange to which gage fittings are attached must be welded or brazed to the tank. Tubular gage glasses or trycocks must not be fitted to the tanks.

58.5010

Amended
294. Amend 58.5010 as follows:
a. In paragraph a2, remove the text Table 1 to 58.5010a and add, in its place, the text table 1 to 58.50
10a3;
b. Redesignate table 1 to 58.5010a as table 1 to 58.5010a3;
c. In newly redesignated table 1 to 58.5010a3:
i. Remove the text 46 CFR and add, in its place, the symbol ;
ii. Remove the text B 209 and add, in its place, the text B209; and iii. Remove the text B 127 and add, in its place, the text B127; and d. In 58.5010, remove the word shall wherever it appears and add, in its place, the word must.
295. Revise 58.5015a to read as follows:

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