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

14000 MARCOR OSH PROGRAM MANUALa. Excessive oxygen, which increases the danger of fire orexplosion (greater than 23.5 percent).b. Contains or has potential to contain a flammable orexplosive atmosphere or materials.c. Contains or has potential to contain a toxic atmosphereor materials.d. Contains any other recognized serious safety and healthhazard such as:(1) Slippery surfaces.(2) Deteriorated or unstable ladders.(3) Machinery and electrical devices that may require anenergy isolation (lockout/tagout) procedure.(4) Potential for engulfing an entrant from loosematerials (e.g., sand, sawdust).(5) Potential for entrapment or asphyxiation frominwardly sloping walls or a floor that slopes downward to asmaller cross-section.3. All confined spaces shall be considered hazardous and entryinto or work on the boundaries of such spaces is prohibiteduntil the space has been evaluated by a qualified person perthis Manual and 29 CFR 1910.146 to establish appropriate safetyprecautions.14001. PROGRAM MANAGEMENT1. Commanders of Marine Corps installations shall appoint, inwriting, a qualified confined space program manager (CSPM) andassistant confined space program manager (ACSPM) responsible forimplementing a confined space entry program that is consistentwith this Manual and 29 CFR 1910.146. Only the CSPM isauthorized to amend the installation’s confined space program.The CSPM shall normally be assigned to the installation safetyoffice. However, in the event the CSPM is not assigned to the14-4