Subpart O - Motor Vehicles, Mechanized Equipment, and Marine Operations

Scope: This standard provides the general requirements for motor vehicles, mechanized equipment, and marine operations.

Special Requirements: Designated person, warning devices, precautions, authorities, references other standards

1926.600(a)(4) - The use, care and charging of all batteries shall conform to the requirements of subpart K - electrical of this part.

1926.600(a)(6)(iv) - A person shall be designated to observe clearance of the equipment and give timely warning for all operations where it is difficult for the operator to maintain the desired clearance by visual means.

1926.600(a)(6)(v) - Cage-type boom guards, insulating links, or proximity warning devices may be used on cranes, but the use of such devices shall not alter the requirements of any other regulation of this part even if such device is required by law or regulation.

1926.600(a)(6)(vi) - Any overhead wire shall be considered to be an energized line unless and until the person owning such line or the electrical utility authorities indicate that it is not an energized line and it has been visibly grounded;

1926.600(a)(6)(vii) - Prior to work near transmitter towers where an electrical charge can be induced in the equipment or materials being handled, the transmitter shall be de-energized or tests shall be made to determine if electrical charge is induced on the crane. The following precautions shall be taken when necessary to dissipate induced voltages: [Reference paragraph (a)(6)(vii)(A) - (C)].

Scope: This standard provides the requirements for motor vehicles that operate within an off-highway jobsite, not open to public traffic. 

Special Requirements: Audible warning device, reverse signal alarm, inspections, maintenance, checked, references other standards

1926.601(b)(3) - All vehicles shall be equipped with an adequate audible warning device at the operator's station and in an operable condition.

1926.601(b)(4) - No employer shall use any motor vehicle equipment having an obstructed view to the rear unless:

• 1926.601(b)(4)(i) -The vehicle has a reverse signal alarm audible above the surrounding noise level or: [Reference paragraph (b)(4)(ii)].

1926.601(b)(9) - Seat belts and anchorages meeting the requirements of 49 CFR part 571 (Department of Transportation, Federal Motor Vehicle Safety Standards) shall be installed in all motor vehicles.

1926.601(b)(10) - Trucks with dump bodies shall be equipped with positive means of support, permanently attached, and capable of being locked in position to prevent accidental lowering of the body while maintenance or inspection work is being done.

1926.601(b)(14) - All vehicles in use shall be checked at the beginning of each shift to assure that the following parts, equipment, and accessories are in safe operating condition and free of apparent damage that could cause failure while in use: service brakes, including trailer brake connections; parking system (hand brake); emergency stopping system (brakes); tires; horn; steering mechanism; coupling devices; seat belts; operating controls; and safety devices. All defects shall be corrected before the vehicle is placed in service. These requirements also apply to equipment such as lights, reflectors, windshield wipers, defrosters, fire extinguishers, etc., where such equipment is necessary.

Scope: This standard provides requirements for scrapers, loaders, crawler or wheel tractors, bulldozers, off-highway trucks, graders, agricultural and industrial tractors, and similar equipment. 

Special Requirements: Audible alarms, signals, authorized person, precautions, rated capacity (posted), manufacturer's written approval, inspection, testing, training, maintenance instruction plates, tags, decals, references other standards

1926.602(a)(2)(i) - Seat belts shall be provided on all equipment covered by this section and shall meet the requirements of the Society of Automotive Engineers, J386-1969, Seat Belts for Construction Equipment. Seat belts for agricultural and light industrial tractors shall meet the seat belt requirements of Society of Automotive Engineers J333a-1970, Operator Protection for Agricultural and Light Industrial Tractors.

1926.602(a)(4) - Brakes. All earthmoving equipment mentioned in this 1926.602(a) shall have a service braking system capable of stopping and holding the equipment fully loaded, as specified in Society of Automotive Engineers SAE-J237, Loader Dozer-1971, J236, Graders-1971, and J319b, Scrapers-1971. Brake systems for self-propelled rubber-tired off-highway equipment manufactured after January 1, 1972 shall meet the applicable minimum performance criteria set forth in the following Society of Automotive Engineers Recommended Practices: Reference paragraph (a)(4)].

1926.602(a)(5) - Fenders. Pneumatic-tired earth-moving haulage equipment (trucks, scrapers, tractors, and trailing units) whose maximum speed exceeds 15 miles per hour, shall be equipped with fenders on all wheels to meet the requirements of Society of Automotive Engineers SAE J321a-1970, Fenders for Pneumatic-Tired Earthmoving Haulage Equipment. An employer may, of course, at any time seek to show under 1926.2 - variances from safety and health standards, that the uncovered wheels present no hazard to personnel from flying materials.

1926.602(a)(6) - Rollover protective structures (ROPS). See subpart W - rollover protection structures; overhead protection, of this part for requirements for rollover protective structures and overhead protection.

1926.602(a)(9)(i) - All bidirectional machines, such as rollers, compacters, front-end loaders, bulldozers, and similar equipment, shall be equipped with a horn (audible alarm), distinguishable from the surrounding noise level, which shall be operated as needed when the machine is moving in either direction. The horn shall be maintained in an operative condition.

1926.602(a)(9)(ii) - No employer shall permit earthmoving or compacting equipment which has an obstructed view to the rear to be used in reverse gear unless the equipment has in operation a reverse signal alarm distinguishable from the surrounding noise level or an employee signals that it is safe to do so.

1926.602(b)(2) - For the purposes of this subpart and of subpart N of this part, the nomenclatures and descriptions for measurement of dimensions of machinery and attachments shall be as described in Society of Automotive Engineers 1970 Handbook, pages 1088 through 1103.

1926.602(b)(3) - The safety requirements, ratios, or limitations applicable to machines or attachment usage covered in Power Crane and Shovel Associations Standards No. 1 and No. 2 of 1968, and No. 3 of 1969, shall be complied with, and shall apply to cranes, machines, and attachments under this part (1926).

1926.602(c) - Lifting and hauling equipment (other than equipment covered under subpart N  - helicopters, hoists, elevators, and conveyors, of this part).

1926.602(c)(1) - Industrial trucks shall meet the requirements of 1926.600 - equipment, and the following:

• 1926.602(c)(1)(i) - Lift trucks, stackers, etc., shall have the rated capacity clearly posted on the vehicle so as to be clearly visible to the operator. When auxiliary removable counterweights are provided by the manufacturer, corresponding alternate rated capacities also shall be clearly shown on the vehicle. These ratings shall not be exceeded.
• 1926.602(c)(1)(ii) - No modifications or additions which affect the capacity or safe operation of the equipment shall be made without the manufacturer's written approval. If such modifications or changes are made, the capacity, operation, and maintenance instruction plates, tags, or decals shall be changed accordingly. In no case shall the original safety factor of the equipment be reduced.
• 1926.602(c)(1)(v) - All high lift rider industrial trucks shall be equipped with overhead guards which meet the configuration and structural requirements as defined in paragraph 421 of American National Standards Institute B56.1-1969, Safety Standards for Powered Industrial trucks.
• 1926.602(c)(1)(vi) - All industrial trucks in use shall meet the applicable requirements of design, construction, stability, inspection, testing, maintenance, and operation, as defined in American National Standards Institute B56.1-1969, Safety Standards for Powered Industrial Trucks.
• 1926.602(c)(1)(vii) - Unauthorized personnel shall not be permitted to ride on powered industrial trucks. A safe place to ride shall be provided where riding of trucks is authorized.
• 1926.602(c)(1)(viii) -Whenever a truck is equipped with vertical only, or vertical and horizontal controls elevatable with the lifting carriage or forks for lifting personnel, the following additional precautions shall be taken for the protection of personnel being elevated.

1926.602(d) - Powered industrial truck operator training. Note: The requirements applicable to construction work under this paragraph are identical to those set forth at 1910.178(l) - powered industrial trucks - operator training, of this chapter.

Scope: This standard provides the requirements for pile driving equipment.

Special Requirements: Designated signalman, signals, engineers, winchman, references other standards

1926.603(a)(1) - Boilers and piping systems which are a part of, or used with, pile driving equipment shall meet the applicable requirements of the American Society of Mechanical Engineers, Power Boilers (section I).

1926.603(a)(2) - All pressure vessels which are a part of, or used with, pile driving equipment shall meet the applicable requirements of the American Society of Mechanical Engineers, Pressure Vessels (section VIII).

1926.603(a)(3) - Overhead protection, which will not obscure the vision of the operator and which meets the requirements of subpart N  - helicopters, hoists, elevators, and conveyors of this part, shall be provided. Protection shall be the equivalent of 2-inch planking or other solid material of equivalent strength.

1926.603(b) - Pile driving from barges and floats. Barges or floats supporting pile driving operations shall meet the applicable requirements of 1926.605 - marine operations and equipment.

1926.603(c)(1) - Pile Driving Equipment - Engineers and winchmen shall accept signals only from the designated signalmen.

Scope: This standard provides the requirements for site clearing. 

Special Requirements: Instructed, references other standards

1926.604(a)(1) - Employees engaged in site clearing shall be protected from hazards of irritant and toxic plants and suitably instructed in the first aid treatment available.

1926.604(a)(2) - All equipment used in site clearing operations shall be equipped with rollover guards meeting the requirements of this subpart. In addition, rider-operated equipment shall be equipped with an overhead and rear canopy guard meeting the following requirements:[Reference paragraph (a)(2)(i) - (ii)].

Scope: This standard provides the requirements for marine operations and equipment. 

Special Requirements: First aid measures, U.S. Coast Guard-approved 30-inch lifering, U.S. Coast Guard-approved work vests or buoyant vests, references other standards

1926.605(a)(1) - Operations fitting the definition of “material handling” shall be performed in conformance with applicable requirements of part 1918, “Safety and Health Regulations for Longshoring” of this chapter. The term “longshoring operations” means the loading, unloading, moving, or handling of construction materials, equipment and supplies, etc. into, in, on, or out of any vessel from a fixed structure or shore-to-vessel, vessel-to-shore or fixed structure or vessel-to-vessel.

1926.605(d)(1) - Provisions for rendering first aid and medical assistance shall be in accordance with subpart D - occupational health and environmental controls, of this part (1926).

1926.605(d)(2) - The employer shall ensure that there is in the vicinity of each barge in use at least one U.S. Coast Guard-approved 30-inch lifering with not less than 90 feet of line attached, and at least one portable or permanent ladder which will reach the top of the apron to the surface of the water. If the above equipment is not available at the pier, the employer shall furnish it during the time that he is working the barge.

1926.605(d)(3) - Employees walking or working on the unguarded decks of barges shall be protected with U.S. Coast Guard-approved work vests or buoyant vests.

1926.605(e) - Commercial diving operations. Commercial diving operations shall be subject to subpart T  - commercial diving operations, of part 1910.401–1910.441, of this chapter.