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Home My WebLink AboutBiological Assessment 901192015j} Cecilia Su 1� 18419 NE 27`x' Way lRedmond, WA 98052 Olympic Wetland Resources, Inc. Dixie Llewellin, Principal Biologist 856 50th Street Port Townsend, WA 98368 360 385-6432 dixiec kablespeed.com July 26, 2018 GLI)18 ,o,. — 3 Z Biological Assessment 1318 Fairmont Rd Port Townsend, WA 98368 Parcel 901 192 015 S29 T30N R1 W Port Townsend, WA 98368 I Introduction and Project Proposal El On July 24, 2018 Dixie Llewellin, Olympic Wetland Resources, LLC assessed existing conditions and potential environmental impacts of a proposed homesite for Cecilia Su. Currently there is an electricity, a well, septic, and a driveway to access the site. These were all installed and approved in 2008. The building envelope has been cleared and terraced in preparation for a 3,000 SF house and garage. The building design and site plan has been prepared by architect Wayne Fricke. Due to a mapped fish -bearing stream with an associated wetland indicated on the Jefferson County Critical Areas Map, a biological assessment is required as part of the permit application process by .lefferson County Department of Community Development (DCD). This assessment is prepared according to the current Unified Development Code, Chapter 18.22, Critical Areas and as updated on the internet. Existing Conditions and Findings This linear rectangular 6.71 -acre parcel is approximately 224 feet wide east to west and 1,204 and 1,302 feet long north to south. The contour map included in Figure l indicates a drop in elevation of approximately 220 feet from the top of the parcel to the shoreline of Discovery Bay. The building envelope is approximately 282 feet from shoreline as measured from the site plan. The critical area in question is the fish -bearing stream and associated wetland. The building envelope is terraced and is cleared to the edge of a steep ravine (from 30 to 45% slopes). Using a Chainman Hip Chain physical measurement were taken from the south edge of the building envelope to the steep slope which is about 90 feet. Findings conclude the stream is at the bottom of a steep ravine and over 220' from the proposed building site. There is a land depression at 190', possibly an old logging road and then another very steep slope to the stream. The entire slope is densely vegetated with multiple layers of native trees and shrubs. Thele was running water in the stream during this assessment. Biological Assessment Cecilia Su Page 1 Olympic Wetland Resources, I,I.0 Vegetation identified on site include Douglas firs, red cedars, big -leaf maple, alders, sword fern, salal, thimbleberry, salmonberry and evergreen blackberry. The area cleared for the building site is dominated by non-native species and including Scot's broom, bull thistle, tansy ragwort, Himalayan blackberry and grasses. • Legal Description: Parcel 901 192 015 • Section 19, Township 29N, Range 1 W • Soils HuD, Hoypus gravelly loamy sand 15 to 30% slopes, and CmD, gravely sandy loam 15 to 30% slopes, and Co Coastal • Location: 1318 Fairmont Rd, Port Townsend, WA, Jefferson County • Zoned Rural Residential RR -5 • WRIA 17 Sub -basin Quimper Included with this report are Figure 1: Site location, Critical areas, Contour maps and PHS (Priority Habitat and Species), Figure 2: Findings and Site Plan, and Figure 3: Lidar image and Photographs. Priority Habitat and Species Assessment Washington Department of Fish and Wildlife Priority Habitat and Species were evaluated within 1/3 of a mile of this parcel. All threatened or endangered plant or animal species were recorded and if possible surveyed during the July 2018 assessment. Estuarine and Marine in addition to Freshwater Emergent Wetlands are listed on or near this parcel. Coastal Cutthroat, Pacific Sand Lance, Dungeness Crab, Geoduck, Hard-shell clam and Pacific Herring are also listed. No wildlife other than crows were observed during this assessment. Categorization of Critical Areas and Buffer Requirements Shoreline and stream buffers were determined according to Jefferson County UDC Section 18.22 Article VII Wetlands (Table 18.22.330(2). Land uses qualify as moderate since the parcel is larger than one acre. Shoreline buffers for this site are 200 feet; the building envelope measures over 282' from the shoreline. The fish -bearing stream is at the bottom of a steep ravine and measures over 220 feet from the building envelope. Buffers for fish -bearing streams are 150 feet. Due to the steep sided ravine the stream is in a distinct channel and associated wetland vegetation was not observed in the tree layers. As the stream levels out at the bottom of the slope there are extensive freshwater and marine wetlands associated with the shoreline of Discovery Bay. Both the large culvert to accommodate the driveway crossing for this parcel, and wetlands fall on the adjacent properties. Biological Assessment Cecilia Su Page 2� Olympic Wetland Resources, LLC Summary All proposed development is outside the buffers of both the shoreline of Discovery Bay and the fish bearing streams. No additional impacts to this parcel will occur due to the construction of a house and garage since has all utilities, site clearing, and the driveway are currently installed. There will be no adverse effects to ecological functions or critical areas if Best Management Practices are followed before and after the construction is complete. Limitations The final authority over approval of this biological assessment will be Jefferson County Department of Community Development. Jurisdictional authority over shorelines and streams falls within the local, state, and federal agencies. If there are further questions or planning requirements for this project, please do not hesitate to call. Respectfully submitted, Dixie Llewellin Principal Biologist, Olympic Wetland Resources, LLC Certified for Wetland Delineation, WTI, 1995 Certified for Wetland Rating and Soil Analysis DOE, 2007, 2010, 2014 Biological Assessment Cecilia Su Page 3 Olympic Wetland Resources, LLC 01 Green is Wetland Title, Scale: Figure l .� f------------ -.--_.-. Location, Critical Areas, Contour, and PHS As Indicated Common Name s Olympic Welland Resources, LLC 1318 Fairmont RD Oncorhynchus Ocwrrence/Migratic ' 856 50th Street Port'Townsend, WA Date: Ammodytes Breeding Area Port Townsend 360 385-6432 Client; Cecilia SU 1 July y 2018 Dungeness Crab (showl dixie@cablespeed.com 18419 NE 27th Way Job#: Null Presence Hardshelf Clam show Redmond, WA 98052 2018-0724 +11yy F�+norl J•S PHS area Parcel 901 192 015 S29 T30N R1 W k� f� J r" 1 I + f r Green is Wetland PIIS .� f------------ -.--_.-. 1. Common Name ; 5cientiRc Name Priority Area Resident Coastal Oncorhynchus Ocwrrence/Migratic Cutthroat (show) darki Pacific Sand Lance Ammodytes Breeding Area show hexapterus Dungeness Crab (showl Null Presence Geoduck (show) Null Presence Hardshelf Clam show Null Presence Estuarine and Marine Null Aquatic Habitat wetland (show) Pacific Herring (Georgia Clupea pallasi Breeding Area Basin DPS) show Freshwater Wetland Title: Findings and Site Plan Scale: Figure Olympic Wetland Resources, I_I.0 1318 Fairmont RD As Indicated Port Townsend, WA 98368 Date; 856 50th Street _ _ Port Townsend, WA 98368 Client: Cecelia Su July 2018 2 360 385-6432 dixie@cablespeed.com 18419 NE 27th Way Job #: Redmond, WA 98052 2018-0724 Site Plan by Wayne ne Fricke - Parcel 901 192 015 S29 T30N R1 W I A'TIVE ENVIRONMENT WEL Qp ro 0 f, f I' NAiI'a 4-m NNE' At r Q.96 x 19.01 in t —282' to the Shoreline of Discovery Bay vt. O'S) '—'A E_ iiG NATIVE (LANDSCAPED -220' to Stream rmmfroh�F' ,r r • 0 f, f I' NAiI'a 4-m NNE' At r Q.96 x 19.01 in t —282' to the Shoreline of Discovery Bay vt. O'S) '—'A E_ iiG NATIVE (LANDSCAPED -220' to Stream Title: Lidar and Photographs of Site Scale: ;Figure Olympic Welland Resources- iIG 1318 Fairmont RD As Indicated � Port Townsend, WA 98368 858 50th Skeet Date: F Pod Townsend, WA 9133U — ChiJuly 2018 360385.6432 ent Cecilia Su dixie��cablespd,carn 18419 NE 27th Way Job#: Redmond, WA 98052 2018-0724 6' Lidar Image of Stream Channel and Building Location Parcel 901 192 015 S29 T30N RIW Dense Vegetation In Steep Ravine Terraced Building Envelope Looking North to Discovery Bay References 2018 Buckingham, et al., 1995. Flora of the Olympic Peninsula. Northwest Interpretive Association and the Washington Native Plant Society, Seattle, Wash. Cooke, Sarah Spear, 1997. A Field Guide to the Common Wetland Plants of Western Washington and Northwest Oregon. Seattle Audubon Society, Seattle, Wash. Cowardin, L.M.V. Carter, F.C.Goblet, and E.T. LaRoe, 1979. Classification of Wetland and Deep Water Habitats of the U.S. U. S. Fish and Wildlife Service, Washington, D.C. Hitchcock and Cronquist, 1973 2017 update. Flora of the Pacific Northwest. Jefferson County Unified Development Code. Critical Areas, Shoreline Master Program 2014. MacBeth, Div. of Kollmorgen Instruments Corp., 1992. Munsell Soil Color Charts. Pojar, Mackinnon, 1994. Plants of the Pacific Northwest Coast. Reed, Porter, 1988. National List of Plant Species That Occur in Wetlands, Region 9 WMVC. Updated 2017. Washington State Department of Ecology, April 2004. Guidance on Wetland Mitigation in Washington State. Washington State Department of Ecology, January 2015. Washington State Wetland Rating System for Western Washington, Pub 14-06-029 and as updated on internet. Washington State Department of Ecology, October 2016. Determining OHWM for Shoreline Management Act Compliance in Washington State (Pub 16-06-029). U.S. Corps of Engineers, 1987. Federal Manual for Identifying and Delineating Jurisdictional Wetlands. U.S. Corps of Engineers, 2010. Regional Supplement to the Corps Engineer Wetland Delineating Manual: Western Mountains, Valleys, and Coast Region (Version 2.0 and as updated). U.S. Department of Agriculture, Soil Conservation Service, 1975. Soil Survey of Jefferson County. Web sites: Fish and Wildlife Service, NWI, http:Jlwetlaiidsfws.er.usgs.govlwtlnds/launch.litml National Resource Conservation Service, littp://websoilstirvgy,nres.usda. cg �v/ap�/ Priority Habitat and Specieslittps:Ilwdfw.wa.gov/mapping/phs/ Map Output Page 1 of 1 http://gisserverlservleticom.esri.esrimap.Esrimap?ServiceName=ovmap&ClientVersion=4.... 7/12/2018 ArcIMS HTML Viewer Ma Legend JC Roads Parcalsfi a DNR Stream tream Classtr 901992016 12 1101192002 9051Y1W3 p fy F - Fish lldNel . 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