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E <br />This specification covers the requirements for the Glass Armor process for the repair of <br />gasoline storage tanks. This specification outlines the method to be followed for the <br />safeguarding of gasoline tank atmospheres for the purpose of conducting the Glass Armor <br />Process for such tanks. It outlines the methods to be followed for flushing the interior of <br />gasoline tanks for the removal of combustible vapor preparatory to the removal of sediment, <br />rust, etc. Instructions are included for cleaning interior surfaces of steel tanks, and for the <br />application of protective coating. This specification outlines in general the requirements, <br />oceduw, m9iiii <br />�,&Wns for the above work to be followed bv Brideenort Chemical <br />Corporation s Pranuniseu 7%pplicaturs anu V; Re in accoraancl M' <br />the current Federal Occupational Safety and Health Administration Codes. (OSHA) <br />I <br />HIMMEMINIE11214MR <br />The Applicator must visit the site, ascertain local conditions and scope of work. Wher ' 0 <br />aecessary, approval from local authorities should be obtained prior to application. Where no <br />,.uch approval exists, the applicator must notify Bridgeport Chemical Corporation in writing. <br />See Annex D. <br />Glass Armor GA27 P shall be applied to the entire inner surface to be protected on the <br />storage vessel. <br />The storage vessel should be inspected by a competent person to determine how long the <br />tank has been in service, approximate amount of gasoline and sediment in the tank, and the <br />n'Vvsical coj"6""k" "—ff4dw <br />should be removed from surrounding area. Work should not be started if the direction of the <br />wind might carry vapors into areas where they could produce a hazardous condition. All open <br />flame and spark equipment within the vapor hazard area should be shut down. Electric <br />used in the area must be ex,?,losion-proof, ' &,,,.Class I D. Division 1. See Annex <br />L <br />A and B. <br />The tank must be completely isolated before any work begins. This means suction lines, <br />[�,umps, and other connecting lines should be blanked. <br />5-1 Displacement With Air: Purging and Ventilating: <br />Gas freeing the tank is accomplished by purging with fresh air, and a safe atmosphere can <br />be maintained by continuous ventilation. In air purging, the concentration of vapor in air in the <br />tank may go through the flammable range before a safe atmosphere is obtained, therefore all <br />precautions shall be taken to insure that the air moving apparatus be bonded to the tank in order <br />to minimize the hazard of ignition. <br />Page 3 8/80 <br />