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HomeMy WebLinkAboutTitle Notification of HMP of COM2002-00077 - HMP Habitat Managment Plan - 1/13/2004 HRRMONY HILL NOTCE g1/13/2004 o80 0 4 01:17P 37.00 I7480n Cc, lJA Return Address 1-''a v Vvi dV L, �1 (' I © fi OK m TO B� KEPT TFIL 3-zz � � - ��{p �-�- �� � PARCEL v,1m � wA r5S12 FILE DOCUMENT TITLE (S) II, � m 4A�', � h � ul�ta<pWA ek-4 �IaLi REFERENCE NUMBER (S) of related documents P v ; j � Cot-1 Zoo 2- 000 77 Additional Reference Ws on page GRANTOR (S) Last, First and Middle Initial Additional Grantors on page GRANTEE (S) Last,First and Middle Initial C- Additional Grantees on page LEGAL DESCRIPTION (Abbr.Form:quarter/quarter,section,township&range,plat,lot,&block) p-o,t. C(,,'+ L-o t s Pc 3 3 -T u N R 3 u) Additional Legal Descriptions on page PARCEL NUMBER 32Z33 - i - 000gv 1802034 01/0 19 2 of 13/2004 011:17P HARMONY HILL NOTCE 37.00 Mason Co, WA TITLE NOTIFICATION OF HABITAT MANAGEMENT PLAN DATE: JUNE 26, 2003 OWNER NAME: JOHN NILS NORDSTROM MAILING ADDRESS 1617 6TH AVE SEATTLE, WA 98101 PARCEL #: 32233-44-00040 LEGAL DESCRIPTION: PTN GOV'T LOT 1, SEC 33, T22NR3W (ABBR FORM. QUARTER/QUARTER, SECTION, TOWNSHIP, RANGE, PLAT, LOT& BLOCK NOTICE: The property was the subject of a development proposal within a critical area or its buffer, for the purpose of"Building Permit' application number COM2002-00077 filed on 5130102. This property is subject to the conditions, mitigation and/or conservation measures as contained within the Habitat Management Plan submitted to and approved by the Mason County Department of Community Development. Restrictions on the use or alterations of the property may exist due to the contents, conditions, mitigation and/or conservation measures of the Habitat Management Plan, which is to be maintained in perpetuity. A copy of the Habitat Management Plan is attached hereto. GRANTORS : LAST FIRST�J MI GRANTEE: PUBLIC RECEIVED K 7 2002 MCCIQ - PLANNING A Retreat Center with Wellbeing Programs 7362 East SR 106 Union,Washington 98592 6 August 2002 Tel 360-898-2363 Fax 360-898-2364 Pam Bennett-Cumming E-mail hh@hctc.cotn Senior Planner www.harmonyhill.org Mason County Planning Department I PO BOX 279 Shelton, WA 98584 Pam, Enclosed please find the Biological Evaluation and Habitat Management Plan needed to complete our file for the Guest Lodge Permit process. Do not hesitate to contact me if you have any questions or need further elaboration. Sinc ely, M hael H. Sumner, Construction Project Manager Harmony Hill is anon profit 501(c)(3) tax exempt,charitable organization. J f � � t i —_;. — r AN '0 � z0 r 00,ell Biological Evaluation and Habitat Management Plan f: •✓ � k .�� p Fir Ho dson Tie Harmony Hill Wellness Retreat Center Project Addition to existing,structure located at 7362 SR 106 Union, WA 98502 ; ' �Forest Bea Z11 Potlatch .tf , Tahuy.'- t t� n� 3�. rnt3n ., Harmy Hill Project Site T'Rep ort to: t Messer's, David Short and Mi�hael Sumner`" ` C/O Harmony Hill Retreit Center �Fn���mi�h in�ian � = � - �,R _ei.ation } l 7362 State Route; ""' Masor 4 r i' 14nion,WA 9850 '� ,�.. Lake, 3r f By `t �Littte Hoquiam A Ecolo gical—o gical Sc aences, , Inc. , � Ar July 29 2002 DRAFT v 1.2 �a 4 Table of Contents Introduction.........................................................................................................................3 SiteSurvey..........................................................................................................................7 StreamTyping.................................................................................................................. 8 RiparianCondition...........................................................................................................9 FishBarriers.....................................................................................................................9 Flow............................................................................................................................... 11 BiologicalEvaluation.......................................................................................................... 11 Hood Canal Summer-Run ESU.................................................................................... 12 Habitat Management Plan (HMP) ...................................................................................... 14 Goalsof the HMP:......................................................................................................... 14 Activities: ....................................................................................................................... 14 Stream Buffer Zone Best Management Practices:........................................................... 15 SedimentControl............................................................................................................... 17 GradeControl Structures............................................................................................... 17 Sediment Trap Using Straw or Hay Bales....................................................................... 17 Design............................................................................................................................ 17 Basin.............................................................................................................................. 18 Construction.................................................................................................................. 18 Maintenance................................................................................................................... 18 SiltFences...................................................................................................................... 19 FinalConsiderations...........................................................................................................21 Conclusions........................................................................................................................21 References.......................................................................................................................... 22 Figure 1. Satellite Image of Project Area Figure 2. Map of Project Location Figure 3. Water Resource Inventory Area (WRIA) No. 14 in Washington State Figure 4. Site Plan for structure addition Figure 5. Mouth of un-named stream facing north to Hood Canal Figure 6. Un-named stream at Harmony Hill site Figure 7. First fish barrier Figure 8. Facing west along SR 106 Figure 9. Existing culvert below Harmony Hill access road Figure 10. Hood Canal Summer Run Chum listing map Figure 11. Harmony Hill access road Figure 12. Sediment trap design Figure 13. Schematic example of silt fence construction Table 1. Recommended Diameters &Spacing for Culvert Crossings on Minor Runs Table 2. Characteristics of the three-zone riparian buffer system 7/30/2002 1 �" KWA Inc. 2 Introduction On January 8th, 2001, the Federal Government imposed new requirements on Mason County (and others) to protect endangered salmon and trout species under the Endangered Species Act. These requirements stipulate that actions having the potential to degrade or detrimentally impact salmon habitat must be mitigated for and/or that actions must be taken to protect the environment against such impacts. Development of a Habitat Management Plan, in addition to implementing measures to mitigate and protect against impacts to waters of the State, provides a process by which projects can proceed and receive permits issued by state, federal and local governments,where applicable and necessary. This report focuses on documentation of site conditions, biological considerations and recommended protection to water quality within the stream and the receiving waters located at the mouth of a single stream entering Hood Canal. The Harmony Hill project will consist of construction of three buildings near a Type IV (a non fish-bearing stream). Approximately 1,095 linear feet of stream exists adjacent and below the project action site and 1.04 hectares of riparian (based on stream width of—2.2 ft of bank full width and 100 foot south side buffer) habitat exist within the project action site. Full project activity and construction details, along with a work schedule, has been provided in the building application permit No. COM2002-00077 on file with Mason County. Coordination between the State, County, owner and construction engineers has occurred at a high level to: 1. Establish site setting, 2. Provide documentation of habitat characteristics--mainly for fish, 3. Develop necessary management plans and actions to protect the environment, and 4. Obtain the necessary permits for construction and expansion. In summary,given the nature of the activities in relationship to the natural and stream environment, no adverse impacts to fish and wildlife or their habitats can be foreseen as a result of either the construction activities or the cumulative effects of the building expansion under the current plans. 7/30/2002 KWA Inc. 3 J N, k w 2002 Del..rme(wnw�r.d".rme.c.mj.Top.USA s.DA.—py,,glrt of—,,t-A Figure 1. Satellite Image of Project Area 7/30/2002 KWA Inc. 4 J 123r 6.- W12J6' 6J723�1 W723 2 123 D W1.2=5Y. W�22 56' f� ' F Ho sport 19 -- 101 - !�+ Forett Be n j Ponalch • 4 3 /t r � S. � /, l;`. Shady Beach �ahuya� o, pion-..._., 3 Harmony Hill.Project, ite" 1 c ¢ 0/ 1 f x- N 3 Lakelepiecha Dam -- —10 Dam . 1 � _ c e8u'ck Laka Ua 101 y - l Gaha PBM l� � Basnore Bav SW r I ,:,zooz o•�o.m•.topo usn u.om• nr.lchr er<om•m owr.... rw www.a•lorm•.wm .;: Figure 2. Map of Project Location 7/30/2002 KWA Inc. 5 WRIA 14: Kennedy/ of sbvroug a__r A i #1 g'� kjF e+Iti x e 5d� i f'" 3 L ENKEDYCREE ` t #� Figure 3. Water Resource Inventory Area (WRIA) No. 14 in Washington State. The Harmony Hill project site is located within WRIA 14. 7/30/2002 KWA Inc. 6 �r -"` .-•' ,./ �` �� �, 1, yaw OVA I I 1yt,1 \ \114t1ylyy}11j11t1�11'� � ��1', � `.tip � 11�tt My•ti Ilyy>>y I � tis5 1l�tt��tttt�l`111t�,'�tt4,ti�y��tl ty M ti 1 M y y 'mA, ',111 �t,`1,ti` t tit\tttt\� t� 1\t '1�1T1 I y l l '• y' '' i�' —— �4'�`ti\1 — \lttt\��1�\�lt1t`(��tt�t�,��l yySyllllllllllltt}1141y}}il}� __ .�r�\�t��t�t���\���1�4�ti}y} }Illilli�l}lylllllltytiylittltl}tititi I � ��==` �-. Figure 4. Site Plan for Structure Addition. Site Survey On May 21, 2002 a site survey was conducted to establish general site conditions relative to the un-named stream and the proposed building expansion and construction activities at Harmony Hill. A professional biologist from KWA Ecological Sciences, Inc. documented steam gradient, bankfull width, riparian structure and condition, stream classification, barrier assessment and general hydrologic conditions at the reconnaissance level. Based upon this survey, protection, management and mitigation actions were developed and are detailed in the following report. 7/310/2002 KWA Inc. 7 Stream Typing This stream consists of a narrowly confined and relatively straight type A channel (Rosgen, 1994). Type A streams are steep (4-10%) slope,with steep cascading, step/pool bed features. Type A and B streams (this stream possesses characteristics from both forms), provide high energy/debris transport associated with depositional soils. The channel is moderately entrenched and is confined within a meander width range of 1-3 (typical type A). Additional detail about this stream can be derived from the Rosgen classification system, but for the purposes of this report, only the issues related to riparian condition, sediment transport and absence of fish are imperative. The present State of Washington system of classifying streams as Type 1-4,is used to describe gradient features and denote whether the stream is fish-bearing or not. The un-named stream running through the Harmony Hill site is non-fish-bearing based on gradient, flow and additionally, by significant barriers at the mouth. a.a. g� f Figure 5. Mouth of un-named stream facing north to Hood Canal. The morphology of stream channels is governed by the laws of physics through observable stream channel features and related fluvial processes. Stream pattern morphology is directly influenced by eight major variables including channel width, depth, velocity, discharge, channel slope, roughness of channel materials, sediment load and sediment size (Leopold et al., 1964). A change in any one of these variables set up a series of channel adjustments which lead to a change in the others, resulting in channel pattern alteration. Thus, a buffer area around the project site is necessary to protect the function and character of the stream. A 100-foot 7/30/2002 KWA Inc. 8 buffer zone is more than adequate to accomplish this requirement during and after construction. With the installation of silt fencing and two sediment traps,impacts from project activities during construction will be fully avoided. Riparian Condition The stream at the Harmony Hill property consists of mixed lowlands conifer- hardwood forest Qohnson et.al., 2000). Washington State has over 9 million acres of this type of fish and wildlife habitat and is typical for WRIA 14. The stream at Harmony Hill hosts an intact and functioning riparian corridor that serves primarily to protect water quality and host typical hyporheic function (storage and treatment of off-channel groundwater). The typical width of the riparian area is less than 100 feet based on the valley form of the Type A stream. t* Al s Figure 6. Un-named stream at Harmony Hill site. Picture is facing South (upstream) at Harmony Hill access road culvert. Fish Bartrers Three barriers to fish migration exist at or below the project site. The first barrier is found at the mouth of the stream 4m above the MUW level of Hood. A six-foot falls and long culvert resulting from the presence of State Route 106 (SR 106) acts as a 100 percent migration barrier to anadromous fish. 7/30/2002 0 KWA Inc. 9 " + ` AV Ar,•. ®r, a" Aka A rig Figure 7. First fish barrier. Hood Canal is immediately behind photograph <4m to MLLW. g .F Figure 8. Facing west along SR 106. Hood Canal is to immediate right. Un-named stream running under SR 106 at this point and emerging near clipboard and tape measure in foreground 7/30/2002 KWA Inc. 10 Secondly, the gradient increases to >.20 once the stream reemerges from under SR 106. The Harmony Hill property rests over 100 feet in elevation above SR 106 at this point. Third, the existing 24-inch CMP culvert (-40 feet long) running under the main access road on the Harmony Hill property is perched with a jump height in excess of 12 inches. Even if fish were able to circumvent the lower barrier and gradient (not probable), this culvert would prevent migration under all but moderately high flow conditions. High flow would prevent migration due to velocity. x t. Figure 9. Existing culvert below Harmony Hill access road. Flow is downstream from culvert. Flow Flow during the May 2002 site survey was observed to be less than 3 cfs. May is the typical peak flow for WRIA 14 and it is reasonable to surmise that low flow during all summer chum, coho and chinook migration or rearing periods, combined with gradient, act together to eliminate this stream from use by anadromous fish. No resident fish life was observed during the site survey. Biological Evaluation First and foremost,the un-named stream running through the Harmony Hill site is non-fish-bearing based on gradient, flow and barriers at the mouth. However,water quality as transported to the receiving waters of Hood Canal must be protected by ASMQ 7/30/2002 IIW KWA Inc. 11 J the project construction activities. This will be accomplished through habitat management,procedures during construction, and permanently through the establishment and maintenance of the 100-foot buffer. 4 1 �, a CANADA C p Washington aCD r y Oregon Idaho Legend California — - ®Columbia River(T) Status ®Hood Canal Sum merRun(r) T - Threatened ®Pacific Coast(NNE NW- Not Warranted ®Puget SoundfStrait of Georgia(N44) Figure 10. Hood Canal Summer Run Chum listing map. Hood Canal Summer-Run ESU Hood Canal Summer-run chum salmon (Oncorhymbus keta)were listed as threatened by the National Marine Fisheries Service (now known as NOAA Fisheries) in March of 1999. This Ecologically Significant Unit (ESU) includes summer-run chum salmon populations in Hood Canal in Puget Sound and in Discovery and Sequim Bays on the Strait of Juan de Fuca. Distinctive life-history and genetic traits were the most important factors in identifying this ESU. 7/30/2002 KWA Inc. 12 Hood Canal summer-run chum salmon are defined in SASSI (WDF et al. 1993) as fish that spawn from mid-September to mid-October. Fall-run chum salmon are defined as fish that spawn from November through December or January. Run- timing data from as early as 1913 indicated temporal separation between summer and fall chum salmon in Hood Canal. Even though for many years there have been hatchery releases of fall chum salmon in Hood Canal of about 35 million fish annually, and many' of these fish return to hatcheries in Hood Canal and were historically spawned before the end of October, recent spawning surveys show that temporal separation still exists between summer and fall chum salmon. Genetic data indicate strong and long-standing reproductive isolation between chum salmon in this ESU and other chum salmon populations in the United States and British Columbia. Hood Canal is also geographically separated from other areas of Puget Sound, the Strait of Georgia, and the Pacific Coast. In general, summer-run chum salmon are most abundant in the northern part of the species' range,where they spawn in the main stems of rivers. Farther south,water temperatures are so high and stream flows are often so low during late summer and early fall that conditions become unfavorable for salmonids. River flows typically do not increase and water temperatures do not decrease until the arrival of fall rains in late October/November. Presumably for these reasons, few summer chum populations are recognized south of northern British Columbia. Ecologically, summer-run chum salmon populations from Washington must return to freshwater and spawn during peak periods of high water temperature, suggesting an adaptation to specialized environmental conditions that allow this life-history strategy to persist in an otherwise inhospitable environment. The NMFS Biological Review Team concluded, therefore, that these populations contribute substantially to the ecological/genetic diversity of the species as a whole. Some chum salmon populations in the Puget Sound/Strait of Georgia ESU, which has four recognized summer-run populations and two recognized winter-run populations, also exhibit unusual run timing. However, allozyme data indicate that these populations are genetically closely linked to nearby fall-run populations. Therefore,variation in run timing has presumably evolved more than once in the southern part of the species' range. Genetic data indicate that summer-run populations from Hood Canal and the Strait of Juan de Fuca are part of a much more ancient lineage than summer-run chum salmon in southern Puget Sound. 'WDFW data from the 1960s to 1980(NRC 1995)identify a total of about 1.5 million fall chum salmon spawned at Hood Canal hatcheries before November.From 1980 to 1987,about 600,000 fish were spawned prior to November.In 1988 from 30 October to 5 November,about 2 million Finch Creek stock fall chum salmon were spawned.In recent years no fall chum salmon have been spawned prior to October 30th at state,tribal or federal hatcheries in Hood Canal. 7/30/2002 KWA Inc. 13 Summer chum, coho and chinook inhabit the southern portions of Hood Canal with the Skokomish River being the major river system contributing to sound Hood Canal fisheries. Habitat Management Plan (HMP) In general, no active management of the riparian habitat needs to occur beyond establishment and maintenance of the stream corridor buffer and the adjacent upland areas. Since no activities are proposed under this permit action related to upland activities, no mitigation or management is described in this report. Goals of the HMP.• • Fish and wildlife habitats are preserved • Erosion is managed on uplands,riparian areas, and stream channels • Water quality is protected and/or enhanced • Runoff(hydrology) is managed now, and in the future Activities: Establishment of a 100 (and the 115 ft. averaged buffer addition) foot stream buffer zone will provide the majority of the stream protection element in the HMP. Additionally, the property will maintain the existing culvert system to ensure peak flows are held and sediment transport,mobilization and storage processes are maintained. Culverts should be sized to handle bankfull discharge. Table 1. Recommended Diameters & Spacing for Culvert Crossings on Minor Runs. (For example, a 2-foot deep channel that is 12-feet wide would require three 24-inch culverts) Channel Depth of Pipe Size Width Channel (feet) (inches) per Pipe (feet) <2 24E 7 2-3 24 4 2-3 30 6 This will be accomplished through annual inspections of the culvert at the Harmony Hill property road crossing and maintenance of all ditches etc. supplying runoff to the stream. Currently, the culverts at Harmony Hill meet these recommendations. 7/30/2002 K WA Inc. 14 p 4$ R� pp 4, Il S. Figure 11. Harmony Hill access road. Un-named stream running under through culvert. Downstream flow is to left (North). Stream Buffer Zone Best Management Practices: Purpose: • To improve and protect water quality by creating buffers along vegetative buffers along the Harmony Hill portion of the un-named Stream. General Comments: 1. A functional 100 (or 115 averaged) effective buffer will be maintained 2. The existing function is adequate and will be maintained or enhanced. 3. No surface soil disturbances will be permitted within the buffer 4. No vegetative (decaying or otherwise) removal will be permitted 5. Only native vegetation will be maintained or utilized 6. Canopy closure of 60-70 percent will constitute a management goal 7. Human interactions to be kept to a minimum s. No asphalt or concrete trails will be developed with the buffer 9. If trails are constructed, they will be simple paths with wood chip or similar substrate for cover 10. Proper site preparation is required for tree planting. Consultation with riparian experts will be sought if necessary. 11. The participant is responsible for the care and maintenance of tree plantings. 7/30/2002 KWA Inc. 15 12. Livestock must be excluded from the site 13. Annual inspections of buffer condition will be documented. Table 2. Characteristics of the three-zone riparian buffer system Zone 1 1) Creates a stable Native riparian trees, Exclude heavy equipment. 15 ft. minimum ecosystem adjacent shrubs, forbs, and Remove trees only for width from top to water's edge, 2) grasses suited to a hazard reduction. of bank, reduces runoff wet environment. Livestock presence is measured nutrient levels, 3) Use fast-growing discouraged except at perpendicular to provides shade,4) tree species where designated stream stream. contributes organic banks must be crossings. Avoid matter and large stabilized. concentrated surface woody debris. runoff through use of flow 11 spreaders. Zone 2 Provides contact time Predominantly native Avoid gullying by 60 ft. minimum and carbon and riparian trees, shrubs, maintaining vegetation width. energy sources to forbs, and grasses. and grading. Management stabilize and store for timber or wildlife is nutrients. encouraged,but leaf litter and shade levels should be maintained. Zone 3 1)Provides area to Dense perennial Vegetation should be 20 ft. minimum convert concentrated grasses and forbs. maintained in vigorous width. overland flow to growth. Weed control Ungrazed uniform sheet flow. may be needed. Periodic grassland may 2)Promotes reshaping may be serve as Zone 3. deposition of necessary to prevent gully sediment, infiltration formation. of runoff, and uptake of nutrients by vegetation. 11 The Harmony Hill manager will be responsible for ensuring that annual inspections of the riparian buffer and culvert system are compliant with the buffer zone BMPs and that the culvert system is in good condition. Annual reports will be used to document the certainly and substance of the HMP. 7/30/2002 NO KWA Inc. 16 Sediment Control Grade Control Structures Grade-control structures prevent excessive velocities in channels by reducing the channel slope. Some of the most effective structures are costly. Therefore,we recommend them for use only after determining that vegetation, rock, or other types of treatment will not control the anticipated erosion. A type of grade control structure used effectively has been the ditch retard. This appurtenance is particularly effective for steep grades with wide drainage medians or borrow ditches. It must function as a miniature reservoir, actually attenuating the flood peaks as the runoff makes its way down the grade. Care must to taken to ensure that the retards are proportioned properly to prevent flow bypass (which, itself, can be a destructive action). Sediment Trap Using Straw or Hay Bales Sediment traps reduce the flow velocity and allow sediment to settle out. The efficiency for this practice is dependent upon the proper design,installation, and maintenance of the structure. A sediment trap is a small, temporary ponding area designed to catch and remove sediment from runoff. Runoff enters the trap and is impounded in a basin behind a stone weeper, reducing the velocity of the runoff and allowing suspended sediments to settle out. Sediment traps are applicable on sites with drainage areas of less than 5 acres and are typically placed in swales and other conveyance channels. To maximize the effectiveness of this practice, they should be located on the lowest point, near the edge of the site, to maximize the area served by it. Because sediment traps are, at best, 70-80 percent efficient and are ineffective for smaller sized sediments, they are best used in conjunction with other BMPs. Design Sediment traps must be designed for water quality control for storms up to the 1- year, 24-hour storm event. In addition, traps must also be capable of safely passing the 10-year, 24-hour storm event. Lengthening the trap basin,which increases the volume of the practice and detention time, may increase trapping efficiency. However, trapping efficiency is a function of particle size rather than of basin size, and, as a result, larger basins may or may not increase efficiency. Monitoring of basin 7/30/2002 KWA Inc. 17 is thus recommended in the case of Harmony Hill especially since no detailed hydrologic data exist. Basin The ponding area of a sediment trap shall have, at a minimum, a 2:1 length to width ratio. The banks of the basin shall be compacted during construction and must possess a maximum height of 5 feet,with a minimum top width of 4 feet and slopes 2:1 or flatter. The basin should be seeded, mulched, and/or lined with a geotextile filter fabric, whose opening size will vary depending upon the soil type that is present on site. Bales of straw or hay are used as sediment filters and flow diversion devices. They must be firmly anchored to the ground, and constructed in various configurations. Figure 13-7 shows an example of one configuration (recommended for Harmony Hill). Limit use of straw or hay bales to low velocity areas, such as where shallow overland flow exists. Berm Staked Stfaw otk�--A Bile BarrIer Area F� Stream Ofgn2l GfOUAd EX�C�i'3t�t� Sediment Trap Figure 12. Sediment trap design. Construction 1. Sediment traps should be operational before site grading begins 2. Sediment traps should be removed after the site has been permanently stabilized Maintenance Accumulated sediment shall be removed when it reaches '/2 of the outlet Sediment traps shall be inspected for damage and repaired after each rainfall event 7/30/2002 y ` KWA Inc. 18 If the sediment trap does not drain completely within 24 hours of a storm event, the geotextile and stone outlet should be cleaned Silt Fences Fence Pasts ` Fitter VY ire T18nC 1 Cloth lence Backt encirY Figure 13. Schematic example of silt fence construction. Silt fences are used primarily to incur ponding and subsequent sedimentation. Their capability as effective filters is questionable. You may use a silt fence as a perimeter control and to create staged ponding areas where shallow overland flow exists. Do not use silt fence in high velocity areas, such as in the bottom of ditches.\ A continuous silt fence should be constructed and placed along the western (left bank) edge of the un-named stream beginning upstream of the uppermost project activity and run to below the access road for a length of 10 m. 7/30/2002 KWA Inc. 19 ................. ................... ................. 7/30/2002 KWA Inc. 20 Final Considerations In order to protect water quality during construction activities the following recommendations are given: 1. A specific and detailed spill prevention and response plan needs to be included in the project. Specific plans to protect water course from spills from heavy machinery and other construction solvents etc. shall be included. 2. On site management will monitor construction activities to ensure fish and wildlife habitats are protected at all times. 3. Professional biologist(s) will be consulted in the event project activities substantially change or any unforeseen circumstances arise 4. All habitat protection structures i.e., silt fences and sediment traps, construction berms, etc. will be maintained throughout the project 5. Grading and clearing actions include typical sediment and erosion control elements 6. A final--post-construction, site survey should be conducted to document the effectiveness these actions and the newly configured site conditions. Conclusions Based upon the site survey and a review of the pertinent literature, it is clear that the un-named stream on the Harmony Hill site is not fish bearing. However,it is recognized that the maintenance of water quality to Hood Canal is important and necessary to protect fish species residing, rearing and foraging in the nearshore area. Through the use of a riparian buffer and habitat management plan,water quality to Hood Canal will be protected and wildlife species dependent upon a functioning riparian ecosystem will also benefit. In summary,given the nature of the activities in relationship to the natural and stream environment, no adverse impacts to fish and wildlife or their habitats can be foreseen as a result of either the construction activities or the cumulative effects of the building expansion at Harmony Hill. 7/30/2002 4 '' KWA Inc. 21 References Johnson, D.H., and T.A. O'Neil, et. al., .2000 Wildlife-Habitat Relationships in Oregon and Washington. Oregon State University Press, Corvallis Oregon NMFS Technical Memo. Hood Canal Summer Chum Listing. Findings if the Biological Review Team. October 1998. Rosgen, D.L., 1985. A stream classification system. In: Riparian Ecosystems and Their Management. First North American Riparian Conference. Rocky Mountain Forest and Range Experiment Station, RM- 120, pp. 91-95. 7/30/2002 KWA Inc. 22 £Z 'OuI VAkN ZOOZ/0£/L 7/30/2002 KWA Inc. 24 MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT Planning Mason County Bldg. 1 411 N.5th P.O.Box 279 Shelton,WA 98584 (360) 427-9670 Belfair (360) 275-4467 Elma (360) 482-5269 Seattle (206) 464-6968 MEMORANDUM DATE: Aug 30, 2002 TO: Marty Erath, Skokomish Tribe Margie Schirato, WDFW FROM: Pam Bennett-Cumming, Senior Planner RE: Harmony Hill Habitat Management Plan for your review and comment. NOTE:please submit comments Sept 28, 2002, to the address aboi,e, attn Pam Bennett- Cumming. Please find enclosed Habitat Management Plan for your review and comment. Mason County Resource Ordinance Fish and Wildlife Habitat Conservation Area Chapter 17.01.110 provides that management plans shall be reviewed by both local tribes, Washington State Department of Fish and Wildlife and other applicable state/federal agencies. A 28-day comment period is provided. Details of the project follow. Project: Proposal to construct 2986 sf addition to existing building, project to be located no closer than 100ft from un-named Type IV stream. Applicants propose buffer adjustment which will maintain 100% total buffer relative to building setback, by increasing buffer in area shown on site plan which accompanies this HMP - see 2 pages following pg 6 of HMP. No construction activity will occur in the stream buffer. The buffer adjustment is necessary to allow for the placement of the proposed structure within the 15ft building setback to the buffer. Applicant and site location- Harmony Hill, 7362 E State Route 106 Union, WA. Parcel no.: 32233-44-00040 Permit no.: COM2002-00077 rec'd 5/30/02 Please feel free to contact me if you have any questions whatsoever. I can be reached at (360) 427-9670 ext 295.