Scope: This standard provides the requirements for 

Special Requirements: Examined, word (painted), signs, marked

1915.131(g) - Headers, manifolds and widely spaced hose connections on compressed air lines shall bear the word ‘‘air’’ in letters at least 1-inch high, which shall be painted either on the manifolds or separate hose connections, or on signs permanently attached to the manifolds or connections. Grouped air connections may be marked in one location.

1915.131(h) - Before use, compressed air hose shall be examined. Visibly damaged and unsafe hose shall not be used.

Scope: This standard provides the requirements for portable electric tools.

Special Requirements: Approved, UL, checked, notify, officer in charge

1915.132(a) - The frames of portable electric tools and appliances, except double insulated tools approved by Underwriters' Laboratories, shall be grounded either through a third wire in the cable containing the circuit conductors or through a separate wire which is grounded at the source of the current.

1915.132(b) - Grounding circuits, other than by means of the structure of the vessel on which the tool is being used, shall be checked to ensure that the circuit between the ground and the grounded power conductor has resistance which is low enough to permit sufficient current to flow to cause the fuse or circuit breaker to interrupt the current.

1915.132(e) - The employer shall notify the officer in charge of the vessel before using electric power tools operated with the vessel's current.

Scope: This standard provides the requirements for abrasive wheels.

Special Requirements: Ring tested, inspected, designed, rated speed, eye protection, references other standards

1915.134(c) - Cup type wheels used for external grinding shall be protected by either a revolving cup guard or a band type guard in accordance with the provisions of the United States of America Standard Safety Code for the Use, Care, and Protection of Abrasive Wheels, B7.1-1964. All other portable abrasive wheels used for external grinding shall be provided with safety guards (protection hoods) meeting the requirements of paragraph (e) of this section, except as follows: [Reference paragraph (c)(1) - (2)].

1915.134(f) - When safety flanges are required, they shall be used only with wheels designed to fit the flanges. Only safety flanges of a type and design and properly assembled so as to insure that the pieces of the wheel will be retained in case of accidental breakage shall be used.

1915.134(g) - All abrasive wheels shall be closely inspected and ring tested before mounting to ensure that they are free from cracks or defects.

1915.134(j) - All employees using abrasive wheels shall be protected by eye protection equipment in accordance with the requirements of Subpart I - personal protective equipment, of this part except when adequate eye protection is afforded by eye shields which are permanently attached to the bench or floor stand.

Scope: This standard provides the requirements for powder actuated fastening tools.

Special Requirements: Tested, PPE, instruction/instructed, competent person, operators, determine, notify, supervisor, unauthorized person, references other standards

1915.135(b) - General precautions. [Reference paragraph (b)(1) - (9)].

• 1915.135(b)(1) - Powder actuated fastening tools shall be tested each day before loading to ensure that the safety devices are in proper working condition. Any tool found not to be in proper working order shall be immediately removed from service until repairs are made.

• 1915.135(b)(9) - Employees using powder actuated fastening tools shall be protected by personal protective equipment in accordance with the requirements of Subpart I - personal protective equipment, of this part.

1915.135(c) - Instruction of operators. Before employees are permitted to use powder actuated tools, they shall have been thoroughly instructed by a competent person with respect to the requirements of paragraph (b) of this section and the safe use of such tools as follows:  [Reference paragraph (c)(1) - (6)].

• 1915.135(c)(1) - Before using a tool, the operator shall inspect it to determine that it is clean, that all moving parts operate freely and that the barrel is free from obstructions.

• 1915.135(c)(2) - When a tool develops a defect during use, the operator shall immediately cease to use it and shall notify his supervisor.

Scope: This standard provides the requirements for internal combustion engines, other than ship's equipment.

Special Requirements: Checked, competent person, tests, corrected

1915.136(b) - All exhaust line joints and connections shall be checked for tightness immediately upon starting the engine, and any leaks shall be corrected at once.

1915.136(c) - When internal combustion engines on vehicles, such as forklifts and mobile cranes, or on portable equipment such as fans, generators, and pumps exhaust into the atmosphere below decks, the competent person shall make tests of the carbon monoxide content of the atmosphere as frequently as conditions require to ensure that dangerous concentrations do not develop. Employees shall be removed from the compartment involved when the carbon monoxide concentration exceeds 50 parts per million (0.005%). The employer shall use blowers sufficient in size and number and so arranged as to maintain the concentration below this allowable limit before work is resumed.