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Health and Safety Plan operating Procedures <br /> Field operating Procedure - F1d02 - INCd)2tFW WEA= <br /> HAZARD <br /> Hot weather (ambient teutperatures over 700 F) , cold Weather (ambient temperature <br /> levels below 400 F) , rain, snow, ice and lightning are examples of inclement weather <br /> which may be hazardous or add risk to WE91ON work activities. Heat Stress arra cold <br /> stress are covered under separate Standard Procedures. Heat and cold stress mist be <br /> identified as hazards in pre-project evaluations, listed as such in site specific <br /> HASP's with the Standard Procedures incorporated. <br /> Heat, rain, cold, snow, ice and lightning are also inclement weather conditions which <br /> represent hazards and increased risk of performing WEMW work activities. <br /> Extremes of heat, cold and humidity as well as rain, snow and ice affects monitoring <br /> instrument response and reliability, respiratory protection performance, and chemical <br /> protective clothing materials. <br /> Heat <br /> Heat stress is addressed in separate WEMW Standard Procedures. Heat represents <br /> additional hazards and increased risks. Hot dry weather increases risk of soil <br /> drying, erosion and dust dispersion which may represent or increase risk of exposure <br /> and environmental impact of a toxic hazards. Hot weather will increase pressure on <br /> closed containers and rate of volatization, potentially increasing risk of toxic <br /> exposure or flammable/explosive atmospheres. <br /> Rain, Wet Weather and High Humidity <br /> Rain and wet conditions increase slipping and tripping hazards, braking distances of <br /> vehicles and chance of slippage of other braking devices on augurs, drills, etc. <br /> Rain fills holes and obscures trip and fall hazards and increases risk of electrical <br /> shock when working with electrical equipment. Rain changes soil conditions in <br /> trenching and excavating activities forming quicksand, weakening walls and increasing <br /> risk of cave-in. Vehicles become stuck in mud and tools slip on wet surfaces. <br /> Cold, Snag and Ice <br /> In addition to cold stress, which is covered in a separate Standard Procedure, cold <br /> weather affects vehicle operation by causing window frosting, increased difficulty of <br /> starting and braking. Ice and snow accumulates on windows and obscures vision. <br /> Cold weather causes icing of roadways, driveways, parking areas, general work places, <br /> ladders, stairs and platforms which are wet. <br /> Ice is not always as obvious as snow or rain and requires special attention. <br /> Z Q/�� <br />