navmc dir 5100.8 marine corps occupational safety and ... - US Navy

18002 MARCOR OSH PROGRAM MANUALbeen shock-loaded until inspected by the manufacturer or othercompetent persons.e. Report unsafe work conditions to supervisors.18003. PRINCIPLES OF FALL PROTECTION1. Work that exposes Marine Corps personnel to fall hazards isdivided into construction and maintenance categories withseparate standards covering each type of work.a. Construction. All new construction, modification orrepairs to existing structures, as well as painting orrepainting of structures, fall under the provisions of 29 CFR1926.b. Maintenance. Maintenance and spot painting ofstructures fall under the provisions of 29 CFR 1910.2. Both standards use a potential fall of 6 feet or greater asa trigger point for the requirement to implement a fallprotection program. Standards also differentiate betweenlow-slope roofs with a pitch less than or equal to 4 inches in12 inches (vertical to horizontal); and steep-slope roofs, witha pitch greater than 4 inches in 12 inches. During assessmentof a fall hazard and design of a fall protection system, it isimportant to note low slope-roofs require different types offall protection measures than steep-slope roofs. Combinationsof fall protection systems may be required to control specifichazards. Additionally, design of a fall protection system mayrequire the coordination of supervisors, safety professionals,and civil or mechanical engineers to maximize worker safety.Some widely used fall protection systems with partial listingsof requirements are given below. OSHA regulations must beconsulted for complete requirements and exceptions.a. Guardrail Systems. May be temporary or permanent, butshall be capable of withstanding a force of at least 200 poundsapplied within 2 inches of the top edge, in any outward ordownward direction, at any point along the top edge. Theguardrail shall consist of top rail, mid rail, posts and toeboard. The top edge height of top rails, or equivalent guardrail18-6