COMPLIANCE INFO_1995-2004 - Laserfiche WebLink

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A. PRODUCT LINES MAY BE TESTED USING AIR PRESSURE (APPROXIMATELY 50 PSI) OR A SHELL APPROVED LINE TESTING SYSTEM (E.G., KENT-MOORE). SHOULD THE LINE TESTS INDICATE LEAKING LINES, THEY SHALL BE REPAIRED OR REPLACED AND RETESTED TO ASSURE THE LEAK HAS BEEN STOPPED. IN ADDITION, A PRODUCT LOG INVENTORY CHECK SHOULD BE MAINTAINED FOR A PERIOD OF 7 DAYS AFTER THE LINE REPAIRS TO ASSURE THERE ARE NO OTHER LEAKS IN THE SYSTEM. B. SHOULD THE TEST INDICATE THE LINES ARE NOT LEAKING OR IF A SHORTAGE CONTINUES AFTER THE LINES HAVE BEEN REPAIRED, THE UNDERGROUND TANK(S) SHALL BE TESTED BY A PRECISION OR OTHER APPROVED PROCEDURE. (SEE N.F.P.A.329). NOTE: LOCAL FIRE CODES AND ORDINANCES MAY DICTATE THE APPROPRIATE TESTING PROCEDURES FOR USE ON UNDERGROUND TANKS. AIR TESTS OF UNDERGROUND TANKS ARE NOT RECOGNIZED AS CONCLUSIVE, ARE DEEMED UNSAFE BY MANY FIRE PREVENTION AGENCIES, AND SHOULD NOT BE USED. IF THE TANK TEST INDICATES ONE OR MORE TANK LEAKS, REPAIR OR REPLACEMENT WILL BE COMPLETED. CORRECTIVE ACTION THE SHELL ENGINEERING STAFF SHALL TAKE IMMEDIATE ACTION TO STOP, CONTAIN, AND SHALL TAKE IMMEDIATE DECISIVE ACTION TO RELIEVE THE THREAT OF PUBLIC HEALTH AND SAFETY HAZARDS, OR PROPERTY DAMAGE. 2. IT MAY BE APPROPRIATE TO OBTAIN SAMPLES OF THE RELEASED PRODUCT FOR TESTING AND IDENTIFICATION BY SHELL LABORATORY. OBSERVATION WELLS WILL ONLY BE INSTALLED WITH HEAD OFFICE, MARKETING ENGINEERING, ENVIRONMENTAL GUIDANCE. IF LOCAL AUTHORITIES AND/OR CONDITIONS DEMAND IMMEDIATE INSTALLATION, THEN INSTALL THE TEST WELLS IN ACCORDANCE WITH STANDARDS SHOWN FOR MINIMUM FOUR INCH PVC PIPE WITH INSTALLATION. IF FORCED, BY SITUATION, TO INSTALL OBSERVATION WELLS OFF SITE ON PUBLIC PROPERTY, ACQUIRE LOCAL AUTHORITY APPROVAL OR WRITTEN ORDER TO PERFORM THE WORK. 4. OBSERVATION WELL INSTALLATION STANDARDS (SEE OBSERVATION WELL DETAIL ATTACHED). A. INSTALL OBSERVATION WELLS IN LOCATIONS SPECIFIED AND/OR APPROVED BY HEAD OFFICE, MARKETING ENGINEERING, ENVIRONMENTAL. B. DRILL (AUGER) A MINIMUM 12 -INCH DIAMETER HOLE TO A DEPTH OF AT LEAST 5 FEET BELOW THE MINIMUM WATER TABLE. C. INTO THE HOLE, INSTALL 4 -INCH OR 6 -INCH DIAMETER SCHEDULE 40 SLOTTED AND BLANK PVC PIPE, WITH PIPE SIZE DEPENDENT UPON THE SITE'S GEOLOGY AND LOCAL REGULATIONS. SLOTTED PIPE SHALL HAVE FACTORY CUT TWENTY THOUSANDTHS (.020) INCH SLOTS. D. USE SLOTTED PIPE FROM THE BOTTOM OF THE WELL HOLE TO APPROXIMATELY 3 FEET ABOVE THE MAXIMUM GROUNDWATER TABLE, CONSIDERING WATER TABLE FLUCTUATION. THE SLOTTED PIPE SHALL BE CAPPED AT THE BOTTOM. E. THE BLANK PIPE SECTION ATTACHED TO THE TOP OF THE SLOTTED PIPE AND EXTENDS UPWARD TO JUST BELOW GRADE ELEVATION. AVOID USING GLUE TO COUPLE THE PIPE SECTIONS; RATHER, USE THREADED PVC PIPE OR OTHER COUPLING METHODS WHENEVER POSSIBLE. A LOCKABLE CAP SHALL BE INSTALLED ON TOP OF THE BLANK PIPE. 11