HEAT STRAIN AND WORK TOLERANCE TIMES WITH VARYING LEVELS OF CANADIAN FORCES NBC PROTECTIVE CLOTHING, AMBIENT TEMPERATURE, PHYSICAL WORK INTENSITY, AND WORK/REST SCHEDULES

Authors
  1. McLellan, T.
  2. Jacobs, I.
  3. Bain, B.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
Abstract
The study examined the effects of environmental temperature and metabolic rate on soldier's work tolerance time (WTT) while wearing various levels of nuclear, biological and chemical (NBC) defence protective clothing. Twenty-three unacclimatized males (23 + or - 3 y, 76 + or - 8 kg, 1.77 + or - 0.08 m) were assigned to exercise at either a light (walking 1.11 m.s1(-) 0% grade, alternating with lifting 10 kg) or heavy metabolic rate (walking 1.33 m.s1(-) 7.5% grade, alternating with lifting 20 kg) in an environmental chamber at either 18C, 50% R.H. (cool) or 30C, 50% R.H. (hot). Subjects were tested wearing three levels of clothing protection: combat fatigues (Low); fatigues and a semi-permeable NBC overgarment (Med); fatigues and NBC overgarment, gloves, boots and respirator (High). TRUNCATED
Report Number
DCIEM-90-51 — Research Report (Final)
Date of publication
15 Nov 1990
Number of Pages
96
DSTKIM No
91-01508
CANDIS No
68715
Format(s):
Hardcopy;Originator's fiche received by DSIS

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