Order this information in Print

Order this information on CD-ROM

Download in PDF Format

     

Click here to make tpub.com your Home Page

Page Title: CHEMICAL PURGING
Back | Up | Next

Click here for a printable version

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Combat
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
USMC
   
Products
  Educational CD-ROM's
Printed Manuals
Downloadable Books
   

 

TM   9-2330-272-14 4-64.   PURGING   TANK   (Con’t). c.   CHEMICAL   PURGING WARNING l Do NOT perform purging operations In an electrical storm or if a storm is threatening. Keep open flames or other sources of ignition, such as welding and cutting torches and ordinary electrical equipment, away from area where purging operation is in progress. Sufficient fire extinguishers must be present and manned. Failure to follow this warning will result in serious Injury or death to personnel. l Connect bonding and grounding connections before beginning purging operations. Maintain bonding and grounding connections until after all purging is completed. Connections  must  be  made  to  clean,  unpainted  surfaces.  An  unbended  and ungrounded or Improperly bonded and grounded semitrailer could produce a spark. The resulting explosion will cause serious Injury or death to personnel. l personnel engaged in purging operations must not wear wool, nylon, silk, rayon, or other clothing that generates static electricity. Wear clean cotton clothing with no metal zippers. Remove all contents from pockets. Wear rubber boots and gloves to keep fuel off skin. Use cotton cloths for cleaning purposes. Before climbing onto semitrailer, grasp static ground wire to discharge all static from body. l Give IMMEDIATE medical attention to personnel exposed to hydrocarbon or toxic vapors.   Signs   of   distress   are   weakness,    nausea,  coughing  or  intoxication, nosebleed  or  cramps,  or  other  unusual  symptoms.  Qualified  personnel  able  to administer artificial respiration and simple first aid must be present. l Should an emergency arise requiring entry into a tank which is not vapor-free, or which has an oxygen content less than 19.5%, personnel entering must have an attached   lifeline   and   wear   protective   respiratory   equipment   in   the   form   of self-contained breathing apparatus or a full facepiece mask with a pressure supply of breathable air. Another person, also provided with respiratory equipment, MUST be stationed at manhole opening and remain there with full ability to watch personnel inside tank and summon assistance in the event a rescue operation is needed. Personnel MUST NOT enter a tank which iS in the explosive range. l If semitrailer is left overnight after purging procedure, retest with combustible gas indicator  set  to  ensure  a  SAFE  reading.  Tanks  may  recharge  themselves  with seepage of undetected pockets of vapors. Failure to follow this warning may result in serious injury or death to personnel. 1. After draining tank, close or seal all valves and drain points. 2. Fill tank with cold water and allow to overflow for five minutes or until all traces of flammable material are removed. Fill rear compartment first and continue to fill each compartment, filling front compartment last. Reverse  procedure  when  draining  tank.  Drain  tank  completely. 3. Close or seal all valves and drain points. 4-132

Privacy Statement - Press Release - Copyright Information. - Contact Us - Support Integrated Publishing

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business