ARCHIVED REPORTS XR0004323 - Laserfiche WebLink

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B Work in pairs No acb\nty where personnel are in Level CB or CSE will be conducted alone ' C Provide cooling devices Ice vests or on-site showers can be provided to reduce BT and/or cool protective clothing ' The amount and type of undergarments worn will be left to the preference of each individual unless prone to heat stress, especially heat rash In this case, the worker can wear"long john" cotton type underwear to keep skin off chemical resistant clothing ' D Adjustment of the work schedule Whenracticable,the most labor-intensive tasks should be p carved out during the coolest part of the day E Shaded or cooled rest areas Shaded or cooled rest areas will be provided when site environmental ' and/or workers physiological responses warrant ' 11.3 Heat Stress Monitoring Physiological mondonng of personnel wearing an impermeable protective ensemble will be conducted at regular intervals at the beginning and conclusion of the work period HR must be periodically measured for all site personnel when heat stress conditions (climate or wearing impermeable clothing) Additional physiological monitoring such as ST and body water temperature (BWT) monitoring can be measured for extreme temperatures and when impermeable clothing is worn A HR must be measured by the radialulse for 30 seconds as earl in P y as possible the resting period and repeated approximately 3 minutes into rest period The HR at the beginning of the g g rest period should not exceed 110 beats per minute The HR also ' should not exceed 90 beats per minute after approximately 3 minutes of rest If the HR does exceed the criteria,the next work period will be shortened by 33 percent,while the length of the rest period will remain the same If the HR still exceeds the criteria at the beginning of the next rest period, the ' following work period will be shortened by 33 percent B BT can be measured orally with a clinical or disposable thermometer, in accordance with ' manufacturers instructions,as early as possible in the rest period (before drinking liquid) Oral or ear temperature at the beginning of the rest period should not exceed 99 5°F If it does, the next work period will be shortened by 33 percent while the length of the rest period wtll remain the same However,if the OT exceeds 99 5°F at the beginning of the next rest period, the following work period will be shortened by another 33 percent A worker►WWII not be permitted to wear a semi-permeable or impermeable protective ensemble when his/her BT exceed 99 5'F ' C Boil water loss BWL due to perspiration Y ( ) p sp aLon can be measured by having the worker weigh him/her self ' at the beginning and end of each work day Similar clothing should be worn at both weighing BWL should not exceed 1 5 percent total body weight in a work day ' FLUOR DANIEL GTI