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0 0 <br /> • 103.4.2 Work-Warming Regimen <br /> If work is performed continuously in the cold at an ECT of 20°F or below, heated <br /> warming shelters shall be made available for use by employees during warm-up <br /> breaks. A work-warming regimen will be established using Table HS-103-2. This <br /> table assumes that all workers are properly clothed for periods of work at <br /> temperatures below freezing. <br /> When entering the heated shelter the outer layer of clothing shall be removed and <br /> the remainder of the clothing loosened to permit sweat evaporation or a change <br /> of dry work clothing provided. A change of dry work clothing shall be provided as <br /> necessary to prevent workers from returning to their work with wet clothing. <br /> Dehydration, or the loss of body fluids, occurs insidiously in the cold environment <br /> and may increase the susceptibility of the worker to cold injury due to a significant <br /> change in blood flow to the extremities. Warm sweet drinks and soups should be <br /> provided at the work site to provide caloric intake and fluid volume. The intake of <br /> coffee shall not be permitted because of a diuretic and circulatory effect. <br /> For work practices at or below 10°F ECT the following shall apply: <br /> I. The worker shall be under constant protective observation (buddy system <br /> or other direct supervision). <br /> • 2. The work rate should not be so high as to cause sweating that will result in <br /> wet clothing; if heavy work must be done, all rest periods must be taken in <br /> heated shelters and the opportunity for changing into dry clothing shall be <br /> provided. <br /> 3. Provision shall be made to make sure employees shall become <br /> accustomed to the working conditions and required protective clothing. <br /> 4. The weight and bulkiness of clothing shall be included in estimating the <br /> required work performance and weights to be lifted by the worker. <br /> 5. The work shall be arranged in such a way that sitting still or standing still <br /> for long periods is minimized. <br /> Unprotected metal chair seats shall not be used. The worker should be <br /> protected from drafts to the greatest extent possible. <br /> 6. The workers shall be instructed in cold weather procedures. The training <br /> program shall include as a minimum instruction in: <br /> • a. Proper rewarming procedures and appropriate first aid treatment. <br /> b. Proper clothing practices. <br /> c. Proper eating and drinking habits. <br /> 5 <br />