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Seattle <br />1001 Alaskan Way Suite 200 <br />fcb Seattle, Was ington 92 6.622 8104 <br />3321 <br />■ — — I Spokane <br />ENGINEERS 505 W. Riverside Avenue Suite 440 <br />Spokane, Washington 99201 <br />509.215.1500 <br />Baltimore <br />4709 Harford Road <br />Memo Baltimore, Maryland 21214 <br />410.929.6894 <br />To Danny Duong, SCS Engineers <br />DDuong@scsengineers.com <br />From Faheem Gaballah, FSi Engineers <br />Fahmeemg@fsi-engineers.com <br />Project Kittitas Transfer Station 22091 <br />Subject Grounding for Bulk Storage Fuel Tanks at 08/21/2025 <br />MRW Building <br />This memo is intended to clarify the grounding requirement for bulk storage tanks per NFPA 70 <br />and NFPA 77 at the MRW (Moderate Risk Waste) building. <br />MRW: Bulking Tanks <br />The bulking tanks will be located on the northwest side of the building. The tanks are not attached <br />to the structure or to the floor, as shown in Figure 1, below. <br />The bulk storage tanks are portable (placed on the finished floor). The drums are filled once a <br />week. <br />I:\22091 Kittitas Transfer Station\Report\2025-08-21 Memo for Bulking Tanks - Rev.01\Memo - Grounding <br />for Bulking Tanks.docx 1 of 4 <br />