The following shall apply to UST systems, including but not limited to all associated piping systems, for fueling facilities at which fuel is dispensed over surface waters:

1. (a) All UST systems shall comply with the following, available as noted in Appendix B:

   1. (1) NFPA 30, Flammable and Combustible Liquids Code;
   2. (2) NFPA 30A, Motor Fuel Dispensing Facilities and Repair Garages; and
   3. (3) NFPA 303, Marinas and Boatyards;

2. (b) Piping systems where tanks are at an elevation that produces a pressure due to gravity at the dispenser shall:

   1. (1) Be equipped with an anti-siphon device installed adjacent to and downstream from a manually-operated shutoff valve; and
   2. (2) Have the anti-siphon device and manual shutoff valve located inside a liquid-tight collection sump at the tank;
3. (c) All sumps shall be liquid-tight and have a sump sensor;

4. (d) Piping systems shall:

   1. (1) Have continuous secondary containment and be equipped with liquid-tight intermediate sumps with sensors at locations where runs of continuous secondary containment are joined;
   2. (2) Be equipped with flexible piping with secondary containment between any floating structure and the shore;

   3. (3) Be equipped with a readily-accessible shutoff valve that is:

      1. a. Located on the shore, as close to the shoreline as possible; and
      2. b. Installed adjacent to and upstream from the flexible piping required by (2), above; and
   4. (4) Be protected from physical damage;
5. (e) Dispensing nozzles shall be automatic closing type without a device that allows the dispensing nozzle to remain open;
6. (f) Piping shall not be in contact with surface water;

7. (g) Onshore marina dispensers installed on or after the 2018 effective date of this chapter that are designated for filling portable containers only shall have a level reinforced-concrete dispensing pad that:

   1. (1) Is not less than 5 feet wide by 5 feet long; and

   2. (2) Has positive limiting barriers that:

      1. a. Have a volume of at least one gallon; and
      2. b. Are installed as specified in Env-Or 405.07(b)(1) and (2); and
8. (h) Onshore marina dispensers that are designated to fuel boated trailers and other land-based equipment shall be constructed in accordance with Env-Or 405.07(b).

Source. (See Revision Note #1 at chapter heading for Env-Or 400) #10393, eff 9-1-18; ss by #12643, eff 10-10-18 (See Revision Note #2 at chapter heading for Env-Or 400)