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FEB 05 '99 14:43 FR CONTAINMENT SOLUTIO 1814 542 5020 TO 9-15108958426 P.09.20 <br />section Safety_ <br />bulletin 3 <br />date 2/1/91 <br />page _ 2 of 6 <br />10. No air tests are to be performed on a tank containing product. <br />Reference NFPA 329." <br />11. Backfill and/or slab must be properly shored and/or removed to prevent <br />collapse or cave-in. <br />12. No product deliveries are to be made to any tank on the site while a <br />man is in the tank. <br />Entry Procedures <br />I. Ingtr—mct Safety- Observer <br />A. Monitoring the combustion and 02 meter. <br />B. Being alert for possible sources of ignition (cigarette smokers, <br />open flames, ate.). <br />C. Constantly watching for erratic movements of the technician while <br />he is in the tank. <br />D. Assisting in feeding and pulling lifelines and air lines. <br />E. Assisting the technician by passing tools, materials, etc. <br />F. Maintaining visual or voice contact with the man in the tank. <br />G. Putting on the safety harness before the technician enters the tank <br />and use of lifelines. <br />H. Use of SOBA, air horn, and fire extinguisher. <br />I. Emergency procedure and telephone numbers. <br />The safety observer is to tell the technician (yell loudly, sound air horn) <br />to exit tank if: <br />A. The alarms on the combustible gas and 02 meter go off. <br />B. The compressor stops or something interrupts or restricts air <br />supply to the technician. <br />C. A source of ignition is close by. <br />D. The movements of the technician indicate he is getting "drunk" or <br />otherwise unstable. <br />E. A fire breaks out in the tank or in the immediate area of the <br />technician in the tank. <br />