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TECH CHANGE NOTICE

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Canadian Union of Postal Workers    HEALTH & SAFETY      Bulletin no: 2002-2005 (23) July 17, 2002    Now that we are experiencing increasing temperatures and humidity, it is important to be wise and exercise caution while working in the heat.   Alternating work and rest periods with longer rest periods in a cool, shaded area can help workers avoid heat strain.   WORKING STRAIGHT THROUGH IS NOT THE ANSWER!   Be aware and learn to detect early signs of heat strain (dehydration, heat cramps, exhaustion).   SLOW DOWN Be sure to replace lost fluids by increasing your intake.   Heavy Work is defined by shoveling, sledgehammer work, pushing or pulling heavy loads, etc.   Moderate Work is considered to be walking about with moderate lifting and pushing, etc.   Light Work is regarded as sitting or standing to control machines, performing hand or arm work, etc.    The ACGIH suggests less work in high temperatures, as indicated in the following table:  PERMISSABLE HEAT EXPOSURE THRESHOLD LIMIT VALUES   Work/Rest               Light Moderate Heavy Regimen Work Work Work Continuous Work 30 C/86F 26.7C/80F 25C/77F 75% Work- 25% Rest each hr. 30.6C/87F 28C/82F 25.9C/78F 50% Work- 50% Rest each hr. 31.4C/89F 29.4C/85F 27.9C/82 25% Work- 75% Rest each hr. 32.2C/90F 31.1C/88F 30.C/86F   If you feel yourself being overcome by heat, PLAY IT SAFE!   EXERCISE YOUR RIGHT TO REFUSE. Contact your supervisor and shop steward and inform them that you are invoking article 33, clause 33.13 and that you will be returning to the workplace.   USE YOUR COMMON SENSE AND MAKE YOUR HEALTH A PRIORITY!   In Solidarity, Gayle Bossenberry National Union Representative Health and Safety

In Solidarity

Mike Duquette
President
Scarborough Local