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0 <br />OPTTON'lA 0 <br />ARTICLE 3, SECTION 2631 <br />VEHICLE 0 NONMOTOR VEHICLE" FUEL TANK <br />CONSTRUCTION STANDARDS <br />1. Secondard containment provided. <br />2. Primary containers shall be product tight. Qe,-L sf` <br />3. Secondary containers 5 c-' <br />A. Thickness, density, composition. and product compatibility. <br />B. Sized to contain unauthorized releases for sufficient time to allow <br />detection and removal. <br />." Secondary container volumetric requirements <br />A` Single primary container - 100%. <br />Q. Multiple primary containers - 150% of largest primary container or <br />10% above aggregate. <br />1. Document interproduct compatibility ok <br />L 5. Secondary containers open to rainfall. <br />A. Volumetric requirement c 24 hours of 25 year storm in addition to <br />primary container volumes. <br />0_._`' _ 6. Pore space of granular material used as backfill for.the primary containers. <br />A. Refer to Section 2631(g). <br />7. Secondard container equipped with a collection system. <br />A. Designed to: <br />I. Accumulate <br />2. Temporarily store <br />3. Permit removal of: <br />a. Precipitation <br />b. Subsurface infiltration <br />C. Released hazardous substances from primary container(s). <br />8, Floor of Secondary container <br />A. Constructed on firm basel �► 5 <br />Q. Sloped to collection sump (1/8" per foot). <br />d 1. One or more access casings installed in sump <br />a. Sized to allow removal of collected liquid <br />b. Extend to ground surface <br />Perforated in sump region. <br />dCovered with a locked waterproof cap or within a secured facility <br />Thick enough to withstand anticipated stresses <br />Construction materials: <br />1) Are not weakened -by stored product <br />V012) Will not donate. capture, or mask constituents to be analyzed. <br />9. Membrane liner specifications: <br />A. Refer and comply with Article 3, Section 2631 j, k, 1, and m. <br />