1515 112TH ST SE BASE FILE 2018-01-02 MF Import

CONDITIONS FOR UNDERGROUND TANK INSTALLATION CITY OF EVERETT (Updated 7-11-96) Underground storage tank installation requires: A 30-day notice of tank commissioning from Washington State Department of Ecology, Chapter 90.76 RCW. 2. A SEPA review by the City of Everett Planning Department for installations exceeding 10,000 gallons, individual or aggregate capacity. a. Obtain a Notice of Construction from the Puget Sound Air Pollution Control Agency, 200 W Mercer #205, Seattle WA 95119-3958, Attn: Harry Watters (Phone: 296-7334). 3. A Fire Department permit for installation. Submittal of plans to the Fire Prevention Bureau which show: a. Size, location and product stored for each tank b. Specifications on tank and piping materials C. Corrosion protection, if applicable d. Piping diagram, including fill openings and vent line and openings e. Detail and locations of leak detection f. Specifications for any special equipment Fire Prevention Bureau inspections and test witness. Call 257-8120 for appointments for inspections. a. TEST FOR PIPING SHALL BE IN ACCORDANCE WITH UFC STANDARDS AS FOLLOWS: Sec. 7901.11.10. Unless tested in accordance with the applicable sections of nationally recognized standards for pressure piping (see Article 90, Standard a.2.3), piping, before being covered, enclosed or placed in use, shall be hydrostatically tested to 150 percent of the maximum anticipated pressure of the system, or pneumatically tested to 110 percent of the maximum anticipated pressure of the system, but not less than 5 psig (34.47 kPa) at the highest point of the system. This test shall be maintained for a sufficient time period to complete visual inspection of all joints and connections. For a minimum of 10 minutes, there shall be no leakage or permanent distortion. Care shall be exercised to ensure that these pressures are not applied to vented storage tanks. Such storage tanks shall be tested independently from the piping. Existing piping shall be tested in accordance with Section 7901.11.10 when the chief has reasonable cause to believe that a leak exists. Piping that could contain flammable or combustible liquids shall not be tested pneumatically. Such tests shall be at the expense of the owner or operator. EXCEPTION: Vapor -recovery piping is allowed to be tested using an inert gas. b. TEST FOR TANKS SHALL BE IN ACCORDANCE WITH UFC STANDARDS AS FOLLOWS: Sec. 7902.6.16.1 General. Before being covered or placed in use, tanks and piping connected to underground tanks shall be tested for tightness in the presence of the chief. For pipe testing, see Section 7901.11.10. The system shall not be covered until it has been approved. (over)