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RECOMMENDED   READING   LIST - 12404_50
HAZARDS   OF   ELECTROMAGNETIC RADIATION TO ORDINANCE

Fire Controlman Volume 02-Fire Control Radar Fundamentals
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CHAPTER  3 RADAR SAFETY LEARNING  OBJECTIVES Upon completing this chapter, you should be able to do the following: 1. Identify radiation and other types of hazards possibly encountered when maintaining and operating radars. 2. Identify safety precautions when encountering radiation hazards. INTRODUCTION As  a  Fire  Controlman,  and  a  possible  work-center supervisor,   you   not   only   need   to   understand   radar systems   and   their   components   and   associated   equip- ments,   but   you   also   need   to   understand   the   basic safety  requirements  associated  with  operating  radar systems. This   chapter   discusses   in   detail   the   radiation hazards   applicable   to   radar   maintenance   and   opera- tion.  Refer  to   Fire   Controlman,   Volume  1,   Admin- stration   and   Safety,   for  discussions  on  additional safety  items  that  also  apply  to  radar,  such  as  measur- ing  voltage  on  energized  equipment,  using  protective equipment,   following   proper   tag-out   procedures,   and identifying   radio-frequency   (RF)   hazards. RADIATION    HAZARDS Much   of   your   radar   gear   (if   labeled   correctly) will   have   radiation   hazard   (RADHAZ)   warnings attached.  These  labels  indicate  a  radiation  hazard  that may   produce   RF   electromagnetic   fields   intense enough   to   actuate   electro-explosive   devices,   cause spark  ignition  of  volatile  combustibles,  or  produce harmful   biological   effects   in   humans. You  will  probably  not  be  able  to  eliminate  all  the hazards   caused   by   normal   operation   of   your   radar equipment.   Therefore,   you   will   need   to   minimize them   during   certain   evolutions.   The   most   effective way  to  reduce  radiation  hazards  is  to  shut  down  equip- ment   when   possible   or   to   locate   equipment   so   that radar  main  beams  do  not  illuminate  ordnance,  person- nel,  or  fuels. Electromagnetic  Radiation  Hazards  (Hazards  to Ordnance),   NAVSEA   OP   3565,   requires   each   com- manding   officer   to   establish   procedures   for   main- taining  positive  control  of  RF  transmitting  equipment and   to   coordinate   the   actions   of   personnel   working near  emitters  or  handling  ordnance.  By  instruction,  no one  may  turn  on  any  transmitting  equipment  without proper  authorization  from  the  supervisor  in  charge  of operations.   That   means   that   you   need   permission   to operate,  test,  rotate,  or  radiate  electronic  gear. Each   command   has   an   emissions   control   (EM- CON)   bill   that   establishes   the   level   of   EMCON required  during  certain  types  of  operations.  The  EM- CON  bill  identifies  the  equipment  to  be  secured  while each  EMCON  level  is  set.  Label  your  radar  equipment according  to  your  EMCON  bill  to  make  identification easy  and  to  provide  for  timely  shutdown. 3-1






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