LP-19-00002 Suncadia Ph. 3 Div. 15 & 16 BOCC Staff Report

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7 1. The location of the plat is in a high pronanility area for encountering cultural resources. 2. Three previously located sites are located within the plat boundaries. 3. Elder testimony at the time of the 1998 surveys indicated in this area to contain burial sites. 4. Request a full re-survey of the parcels. Staff Response: Applicant provided a response to Yakima Nation comments, included as Index #31 of the Master File. Cultural resource issues are addressed in the conditions C 21-23 of Exhibit F-1 to the Development Agreement. Mitigation measures listed within these conditions shall be applied. The applicant will adhere to all applicable regulations as outlined in the Development Agreement. Staff agrees with the applicant provided responses. Department of Archaeology & Historic Preservation (DHAP) DHAP commented with the following concerns: “A desktop review has identified the proposed project area as having high sensitivity for archaeological resources. There are also several previously recorded archaeological sites in the vicinity of the proposed project area. Additionally, DAHP agrees with the Yakama Nation’s assessment that while some portions of the log plat have been previously surveyed, a substantial amount of time since the original survey has occurred. Therefore, we recommend a professional archaeological survey of the project area be conducted prior to ground disturbing activities.” Staff Response: Applicant provided a response to DHAP comments, included as Index #31 of the Master File. Cultural resource issues are addressed in the conditions C 21-23 of Exhibit F-1 to the Development Agreement. Mitigation measures listed within these conditions shall be applied. The applicant will adhere to all applicable regulations as outlined in the Development Agreement. Staff agrees with the applicant provided responses. Department of Ecology (DOE) DOE commented with the following statements: “The eastern side of the proposed project site is near to and slightly uphill from fish-bearing tributaries of the Cle Elum River. Additionally, the project site contains numerous wetlands, which are also protected by Washington State's water quality laws. Erosion of the project site has the potential to add sediment and turbidity to the tributary streams and the wetlands. Care must be taken, both during and after development of this site, to prevent the entry of sediment and turbidity to the Cle Elum River and its tributaries, as well as to adjacent wetlands. Riparian and wetland vegetation should al so be protected and maintained. Project planning, development, and use of the site needs to include water quality protection.” Staff Response: Applicant provided a response to DOE comments, included as Index #31 of the Master File. For New construction activities, New Suncadia maintains a stormwater pollution prevention plan for the entire MPR that will also be applicable to the development of Phase 3 Div. 15 & 16. An NPDES permit for MPR construction activities has been issued by the Washington State Department of Ecology (Permit No. WA-005236-1). Conditions of the permit specify erosion control measures that will be used during construction activities. After the development of the site, water treatment will be provided for runoff from impervious road surfaces requiring stormwater treatment, including bio-filtration swales, bio- infiltration, and sheet flow dispersion. The applicant will adhere to all applicable regulations as outlined in the Development Agreement, Erosion Plan, and the MPR Conditions of Approval. Department of Health (DOH) DOH commented with the following statements: