Corridor-Level Environmental Site Assessment - City of Port Orchard

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MOSQUITO FLEET TRAIL PROJECT • Port Orchard, Washington INTRODUCTION This report presents the results of our Corridor-Level Environmental Site Assessment (ESA) in support of the Mosquito Fleet Trail Project located in Port Orchard, Washington. The City of Port Orchard Public Works Department is planning to construct a new waterfront multi-use trail in Port Orchard generally following Bay Street. The new trail will accommodate bicycle and pedestrian traffic along the waterfront between ferry terminals located in Annapolis and downtown Port Orchard. It will also provide recreational opportunities along the waterfront for residents and visitors to the community. A preferred alignment has been chosen for the project as shown in Figure 2. This Corridor-Level ESA is a portion of Phase 1 of the design process. Phase 1 includes the analysis of existing environmental conditions, development of preliminary design, analysis of special benefits, comprehensive cost estimating and value engineering. Future phases will entail environmental review, permitting, final design and construction. The purpose of the Corridor-Level ESA is to assist N.L. Olson and Associates, Inc. (Olson) with the following: 1) evaluate the presence or likely presence of potential hazardous substances at the parcels within and near the Corridor; 2) provide recommendations for additional hazardous material investigations (such as a site-specific Phase I ESA or Phase II ESA); 3) provide information on nearby sites, based on readily available information, to support future estimates of site cleanup and construction costs; and 4) assess the liability associated with project development in or near potentially contaminated sites. References reviewed for this Corridor-Level ESA are included as Appendix A. METHODOLOGY – SCOPE OF SERVICES The following tasks were performed as part of the Corridor-Level ESA: 1. Reviewed the results of a federal, state and local environmental database search (Parcel Insight [PI] Report) for listings of known or suspected environmental concerns at sites adjacent to or within 1 mile of the Corridor. The PI Report is provided in Appendix B. 2. Conducted a windshield survey of the Corridor along Bay Street from Orchard Avenue to Retsil Road East on December 17, 2009. We did not enter or view conditions within buildings. We entered the following parcels that could pose an environmental concern to the Corridor based on a review of the database and observations during the windshield survey: • Bay Ford – Kitsap County Parcel No. 252401-2-020-2000. • Port of Bremerton – Kitsap County Parcel No. 262401-1-007-2008. • Westbay Center – Kitsap County Parcel No. 252401-2-001-2003. 3. Reviewed historical aerial photographs to identify past development history on and adjacent to the Corridor relative to the possible use, generation, storage, release or disposal of hazardous substances. May 23, 2011 | Page 1 File No. 12309-009-00
MOSQUITO FLEET TRAIL PROJECT • Port Orchard, Washington 4. Reviewed current United States Geological Survey (USGS) topographic maps and applicable groundwater occurrence maps to identify the physiographic setting of the corridor. Provided a statement on the local geologic, soil and groundwater conditions based on our general experience and sources such as readily available geologic maps, groundwater data and soil surveys. 5. Evaluated and screened sites based on information compiled from the environmental database search, windshield survey, historical aerial photographs, fire insurance maps, city directories, tax assessor records, and topographic and groundwater occurrence maps. Sites included in the database search were eliminated from further study if the sites met the following criteria: 1) located downgradient or at such a distance away from the Corridor that they are not anticipated to impact the project and/or if 2) there were no environmental concerns that could affect construction activities or associated liability. 6. Reviewed the current preferred alignment for Mosquito Fleet Trail provided by Olson in May 2011 and evaluated the sites of concern. 7. Provided this report summarizing the results of the study. This report includes a table ranking the sites by their potential for contamination (low, moderate or high) from either on-site or offsite sources and recommendations for additional studies. PROJECT AREA CONDITIONS Project Location and Setting The Corridor is located in the City of Port Orchard, Kitsap County, Washington. The proposed trail generally follows the shoreline of Sinclair Inlet in the Puget Sound, from the intersection of Bay Street and Arnold Avenue southwest to the Port Orchard Ferry Dock at Sidney Avenue (Figure 1). In some locations, the trail would be immediately adjacent to Bay Street while in other locations it would follow the shoreline. A general route map is presented in Figure 2 and a detailed route map is presented in Figures 3 through 7. The project will be generally located within an existing and proposed right-of-way (ROW) associated with Bay Street. The Bay Street ROW contains a two-lane roadway, overhead utilities (telephone, electricity, cable) and underground utilities (sanitary sewer, storm sewer and water). We understand additional easements are planned where the trail diverges from the Bay Street ROW on parcels not currently owned by the City in areas. These areas are primarily located in the central segment of the project, between Blackjack Creek/Etta Turner Park and Waterfront Park. Adjacent properties consist of single-family residences, multi-family residential buildings and retail/commercial space. Project Description The proposed project will create a multi-use trail along the waterfront in Port Orchard, extending from the Port Orchard Ferry Terminal to the Annapolis Ferry Dock. The proposed alignment proceeds east from the Port Orchard Ferry Terminal along an existing boardwalk (the “marina boardwalk”) toward Waterfront Park. The trail traverses this park and then continues up the slope to the east to join the Bay Street ROW for a short distance before descending back down (north) towards the waterfront/shoreline in acquired ROW associated with Rockwell Avenue. The trail Page 2 | May 23, 2011 | GeoEngineers, Inc. File No. 12309-009-00
Page 1 and 2: Corridor-Level Environmental Site A
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Government Record Tracking Database
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MOSQUITO FLEET TRAIL PROJECT • Po
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Corridor-Level Environmental Site Assessment - City of Port Orchard

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