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e <br /> . D, Alternate construction for new underground storage tanks containing motor vehicles fuel [Section 26337 . <br /> (1) Monitoring and response plan [Section 26341. <br /> y <br /> (2) Underground storage tank composed o .... <br /> (a) Fiberglass reinforced plastic. <br /> (b) Cathodically protected steel. <br /> (c) Steel clad with fiberglass reinforced plastic. <br /> _ (d) Other material that complies with section 2631 and 2632. <br /> (3) Floor of leak interception and detection system constructed on a firm base and sloped to z <br /> collection sump (use of membrane liners comply with section 2631 (d) (6) requirements.) <br /> (4) Access casings installed in the collection sump of the secondary containment system with <br /> backfill in the interstitial space. The access casing shalt meet all of the following: <br /> _ Designed and installed to allow the liquid to flow into the casing. <br /> r Sized to allow removal of collected liquid and able to withstand all anticipated applied <br /> stresses. <br /> _ Constructed of material that will not be structurally weakened. <br /> _ Screened along entire vertical zone of permeable material. <br /> _ Capable of preventing leakage of any hazardous substance from the casing. <br /> Extend to the ground surface and covered with a locked waterproof cap. <br /> _ Capable of meeting S.J. Co. PHS-EHD Well Standards. <br /> _ Leak interception and detection system shall prevent the leaked hazardous substance frc m <br /> entering ground water. <br /> 14. INTERSTITIAL SPACE MONITORING <br /> A. Visual monitoring [Section 2632 (c) (1)] <br /> (a) Exterior surface and floor beneath tank monitored by direct viewing <br /> _ (b) Daily visual inspections <br /> (c) Liquid level in tank to be recorded at time of inspection <br /> (d) If liquid observed around or beneath primary tank, owner will determine if an unauthorized rete a s <br /> has occurred. <br /> g, Mechanical or electronic monitoring [Section 2632 (c) (2)1 <br /> (a) Continuous monitoring system connected to an audible and visual alarm system. <br /> Monitoring equipment to be installed <br /> (is Manufacturer: <br /> GS Model Number: <br /> 154 Sensor Type: Vapor ✓ Liquid _ Both. <br /> e Sensor/Panel specifications. <br /> Locatio (s) for sen rs <br /> Tank: TI 1 Piping <br /> 1A <br /> Dispenser• <br /> C. Monitoring and response plan submitted [Section 2632 (d) (1) & (2)]. <br /> 15. Any special accessories, fittings, coatings, or linings not inherent within the initial design of the 1° tank or <br /> double-wall UST. [Section 2631 (b)] <br /> A. Approved by a nationally recognized independent testing organization. <br /> B. Demonstration of integrity with the primary and/or secondary containment. <br /> 6 <br />