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0 <br />a <br />0 0 <br />OPTION 1A <br />ARTICLE 3, SECTION 2631 <br />MOTOR VEHICLE OR NONMOTOR VEHICLE FUEL TANK <br />CONSTRUCTION STANDARDS <br />1. Secondard containment provided. <br />2. Primary containers shall be product tight. <br />3. econdary containers <br />A. Thickness, density, composition, and product compatibility. <br />B. 5'zed to contain unauthorized releases for sufficient time to allow <br />de ction and removal. <br />4. Secondary c twiner volumetric requirements <br />A, Single pr ry container = 100%. <br />B. Multiple pri ry containers = 150% of largest primary container or <br />10% above,agg ate. <br />1. Document in rproduct compatibility <br />5. Secondary containers ope to rainfall. <br />A. Volumetric requiremen= 24 hours of 25 year storm in addition to <br />primary container volume . <br />6. Pore space of granular material\1e <br />l for the primary containers. <br />A. Refer to Section 2631(8). <br />7. Secondard container equipped wisystem. <br />A. . Designed to: <br />1. Accumulate <br />2. Temporarily store <br />3. Permit removal of: <br />a. Precipitation <br />b. Subsurface infiltra <br />c. Released hazardous primary container(s). <br />8. Floor of Secondary container <br />A. Constructed on firm base <br />B. Sloped to collection sump (1/8° per foot). <br />1. One or more access casings installed in \stresses <br />a. Sized to allow removal of collected <br />b. Extend to ground surface <br />c. Perforated in sump region. <br />d. Covered with a locked waterproof capecured facility <br />e. Thick enough to withstand anticipate <br />f. Construction materials: <br />1) Are not weakened by stored product <br />2) Will not donate, capture, or mask constituents to analyzed. <br />9. Membrane liner specifications: <br />A. Refer and comply with Article 3, Section 2631 j, k, 1, and m. <br />