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FEE: 05 '99 14:43 FR CONTAINMENT _iL_iTIOHS814 542 5020 TO 9-15108955425 P.08/20 <br />FLUID <br />CONTAINMENT <br />FIELD SERVICE MANUAL <br />section _SAFETY <br />bulletin 3 <br />date 2LL191 <br />supersedes 1141$4 <br />SAFETY—PROCEDURE - UNDERGROM PETROLEUM TANK ENTRY <br />The following procedure will be employed whenever Fluid Containment Field <br />Technician has cause to enter an underground petroleum storage tank, either <br />for inspection or repair. Any additional state, local, or federal <br />regulations must be observed. Additional customer requirements should be <br />cleared through Field Service <br />General Requirements <br />1. Only air -powered mechanical tools are to be employed. <br />2. The tank is to be mechanically ventilated at all times that a man is <br />inside the tank. <br />3. Use of an air -supplied mask with Egress cylinder is required at all <br />times unless it can be absolutely ascertained that the tank has never <br />contained any product. <br />4. An approved safety harness with lifelines attached must be worn by the <br />man entering the tank. <br />5. Tanks having an atmosphere over 1300' are not to be entered. Work no <br />longer than 60 minutes in tanks at 100-130 degrees F. <br />6. Only an approved explosion -proof light source is to be used. <br />7. A completed Confined Space Entry Permit is required to be posted prior <br />to each tank entry, visible to those in proximity. <br />8. A reliable safety observer, with no duties other than assisting and <br />monitoring the OCT technician, must be available at all times. The <br />safety observer is allowed to pass tools and similarly assist the mars <br />in the tank as long as voice and preferably visual contact is <br />maintained. If the safety observer must leave the tank._ the technician <br />is to halt work and exit the tank. <br />In addition to the primary safety observer, one (1) additional man <br />(stand-by) must be within hearing distance and aware of the air horn <br />signal to help in a physical rescue if required. <br />A SCBA safety harness and an air horn must be available for immediate <br />use by the safety observer. <br />9. No flash pictures are to be taken in the tank, even with recognized <br />diver's camera_ <br />