9900 19TH AVE SE 2018-01-02 MF Import

• Store petroleum products and building materials that could contaminate runoff in a covered area. Create an impervious berm around the perimeter of the storage area and line the area with a double layer of plastic or similar mat: .al; • Cover and maintain dumpsters; • Use only recommended amounts of paints and other construction materials; • Properly dispose of all oil, oil cans, and waste such as oil -soaked rags and paper, • Keep fresh concrete and cement mortars out of gutters, storm drains, and wetlands; ♦ Service and maintain portable toilets; • Dispose of Geared vegetation properly; • Post information for procedures in case of spills; and • Immediately clean up any spills by removing L ;d properly disposing of affected soils at an approved site. 15. During site preparation all refuse must be removed and disposed of appropriately. 16. The use of phosphorus -containing fertilizers on this project for stormwater facility construction, or for installation and/or maintenance of landscaping, is prohibited. 17. The parking lots shall be swept weekly, with a vacuum or regenerative air sweeper. Sweeper operators shall be trained in achieving maximum sweeper performance. Wetlands 18. A Hydraulics Project Approval (HPA), Army Corps of Engineers Permit, and a Shorelines Substantial Development Permit will be required for the construction of the Marshland Mitigation Site. 4 19. In order to mitigate the 1.7 acres of wetland fill, 4.7 acres of wetland must be created and/or enhanced on the Marshland Mitigation Site, in accordance with the Siler Property Conceptual Wetland Mitigation Plan dated October 21, 1996, and Final Wetland Mitigation Plan. 20. The Marshland Mitigation Site for the Siler property will be placed in an easement tract and prior to final plan approval shall be legally described by a licensed surveyor and filed as a Record of Survey with the Snohomish County Auditor. A covenant shall be placed on the title of property for the Marshland Mitigation Site and the area shall be used for wetland mitigation purposes in perpetuity. 21. A final wetland mitigation plan must be provided to the Planning Department for review and approval prior to issuance of construction permits. The final mitigation plan must incorporate the basic design parameters contained in the conceptual mitigation plan, and must be prepared in accordance with Section 37 of the City's Zoning Code, and the Administrative Guidelines for the Identification and Evaluation of Wetlands and Streams. 22. All mitigated wetland construction and/or enhancement be must done prior to or concurrently with filling of the wetland on the Homebase site. 41 23. At the wetland mitigation site, no grading, shaping, construction, draining, vegetation removal, fertilization, spoil spreading or pesticide application shall be allowed except as EXHIBIT # . FAGc# L)FL3