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DISPERSION OF AMMUNITION - 14023_356
MAGAZINE AND MAGAZINE AREA SECURITY - 14023_358

Aviation Ordinanceman 2 & 3 - Aviation theories and other practices
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Q1. Q2. Q3. Q4. Q5. Q6. REVIEW NUMBER 2 Describe the purpose of an advanced base. What publication governs ammunition storage at advanced bases? What is the purpose of having at least two storage areas for each type of ammunition at an advanced base? The disposal area at an advanced base should be a minimum of what distance from ammunition storage sites and inhabited areas? List the characteristics of a prefabricated magazine at an advanced base. At an advanced base, ammunition in Category A poses what sort of hazard? MAGAZINE MAINTENANCE, STORAGE, AND HANDLING REQUIREMENTS LEARNING OBJECTIVE: Identify the types of procedures used for magazine maintenance, storage, and handling to include personnel requirements, lightning protection systems, magazine security, and ammunition handling and shipping. Proper explosives and ammunition storage facilities are only apart of the overall storage system. Among the most important aspects of the storage of ammunition is the proper maintenance of magazines and magazine areas. PERSONNEL REQUIREMENTS Normally, all personnel engaged in operations that involve ammunition, explosives, and other hazardous materials are trained and qualified to perform their assigned duties. In addition to being qualified and certified, personnel involved with hazardous explosive operations are certified by a physician as physically qualified. Personnel aren’t knowingly permitted or required to work when their ability or alertness is impaired because of fatigue, illness, or other reasons. This would expose them and other personnel to injury. Occasionally, manpower shortages cause a need for assistance by personnel from other Navy ratings to join working parties to handle or transport ammunition and explosives. These working parties are referred to as augmentation crews. Before using augmentation crews, try to make sure that personnel in the working party are trained so mistakes aren’t made or safety factors violated Furthermore, make sure enough qualified representatives, preferably officers or petty officers that are senior in rank to any member of the working party, are present to detect or prevent violations of safety orders and other unsafe practices. They should take whatever action is required to correct the situation. LIGHTNING PROTECTION SYSTEMS Lightning protection is required for all ordnance handling buildings, storage facilities, and handling areas that have more than 5 days per year when thunderstorms occur. There are two types of lightning protection systems—primary and secondary. The primary system prevents damage from direct lightning strikes by diverting the strike and providing a low-impedance path to ground. The secondary system maintains all metal objects within its system at the same electrical potential. This prevents the possibility of sparking between the objects. Primary Systems There are two types of primary lightning protection systems acceptable to NAVSEASYSCOM—the separately mounted lightning mast system and the separately mounted overhead ground (aerial shield) wire system. LIGHTNING MAST SYSTEM.— This type of primary system consists of lightning masts (freestanding air terminals) placed around a facility and connected to a buried primary girdle. A sufficient number of masts are used to protect the entire structure within the combined cones of the masts. The number and height of masts required to adequately protect a structure is determined by the dimensions of the structure. OVERHEAD GROUND (AERIAL SHIELD) WIRE SYSTEM.— This system consists of overhead lightning protection conductors spanned between lightning masts above a facility. The conductors are connected to a buried ground girdle or to ground rods only, depending upon the type of installation. Secondary System The secondary lightning protection system consists of a buried girdle to which all metal parts are connected at the lowest point. This implies that electrical access to all reinforced steel must be provided during 12-19







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