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KLE/NFELOER (�H e a l t h& <br /> Safety <br /> Procedure HSP-5-09 Version 10 <br /> COLD STRESS Number: Number: <br /> Published 5/4/2018 Revised N/A <br /> Date: Date: <br /> TLVs Work/Warm-up Schedule for Outside Workers based on a Four-Hour <br /> Shift* <br /> Air No 5 mph 10 mph 15 mph 20 mph <br /> Temperature Noticeable Wind Wind Wind Wind <br /> - Sunny Sky Wind <br /> °C °F Max. No. of Max. No. of Max. No. of Max. No. of Max. No. of <br /> (approx (appro work Break Work Break Work Break Work Break Work Break <br /> x) Perio s Perio s Perio s Perio s Perio s <br /> d d d d d <br /> -26°to -15°to (Norm breaks) (Norm breaks) 75 2 55 3 40 4 <br /> -28° -19° 1 1 min. min. min. <br /> -29°to- -20°to- (Norm breaks) 75 2 55 3 40 4 30 5 <br /> 31° 24° 1 min. min. min. min. <br /> -32°to -25°to- 75 2 55 3 40 4 30 5 Non- <br /> -34° 29° min. min. min. min. emergency <br /> work should <br /> -35°to -30°to 55 3 40 4 30 5 Non- cease <br /> -37° -34° min. min. min. emergency <br /> work should <br /> -38°to -35°to 40 4 30 5 Non- cease <br /> -39° -39° min. min. emergency <br /> work should <br /> -40°to -40°to- 30 5 Non- cease <br /> -42° 44° min. emergency <br /> work should <br /> -43°& -45°& Non- cease <br /> below below emergency <br /> work should <br /> cease <br /> *2004 TLVs and BEls - Threshold Limit Values for Chemical Substances and <br /> Physical Agents and Biological Exposure Indices. Cincinnati : American <br /> Conference of Governmental Industrial Hygienists (ACGIH), 2004 - page 164. <br /> Adopted from Saskatchewan Labour "Cold Conditions Guidelines for Outside <br /> Workers" <br /> Copyright 2019 Kleinfelder, Inc. Page 11 of 11 <br /> Important: When modifying this document, update properties with <br /> your name, date, and nature of changes made. <br />