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D, Alternate c�Wtruction for new underground storage tanks Mai ning motor vehicles fuel [Section 26331 . <br /> (1) Monitoring and response plan [Section 26341. <br /> _ (2) Underground storage tank composed of.... <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 <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 shall meet all of the following: <br /> _ Designed and installed to allow the Liquid to flow into the casing. <br /> _ 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-EHO Well Standards. <br /> _ Leak interception and detection system shall prevent the Leaked hazardous substance from <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 relez <br /> has occurred. <br /> B. Mechanical or electronic monitoring [Section 2632 (c) (2)] <br /> X (a) Continuous monitoring system connected to an audible and visual alarm system. <br /> Monitoring equipment to be installed <br /> _ Manufacturer: InCon <br /> _ Model Number: TS-1000 <br /> Sensor Type: _ Vapor X Liquid _ Both. <br /> Sensor/Panel specifications. <br /> Locations) }or sensors: X <br /> Tank: R Piping: <br /> Dispenser• <br /> C. Monitoring and response plan submitted [Section 2632 (d) (1) & (2)1. <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)1 <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 />