HomeMy WebLinkAboutFPA2008-00002 SEP2008-00033 GEOAddendum - FPA Letters / Memos - 7/1/2008 I l
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FINDINGS OF FACT
FPA Case # 2007-00002
APPLICANT: Larry Waters
APPLICATION DATE: March 13, 2008
Mason County has reviewed the above referenced application for Class IV General Forest
Practices and finds it in conformance with all applicable County land use regulations in
effect at the time of application.
FINDINGS
The proposed FPA is compliant with the following conditions:
The proponent has paid the prescribed fees.
The proponent has filed a complete, signed application.
A map has been received that complies with the requirements of 11.05.120:
(I) Harvest boundaries and tree retention areas.
(II) The approximate location of any structures.
(III) The location of all existing and proposed streets, right-of-ways, easements, skid
roads, haul roads, and landings within the proposal.
(IV) The location of future land development including stormwater management
facilities and vegetation to be retained for site landscaping, open space, wildlife
habitat, screening, and/or buffers.
(V) Site topography at contour intervals of 40 feet.
(VI) Critical areas and critical area buffers regulated pursuant to the Critical Areas
Ordinance.
(VII) Drainage ways and culverts.
(VIII) Site area targeted for further harvest including proposed timing.
(IX) North arrow and scale shall be shown on all site plans. The scale shall be no
smaller than one inch to 200 feet.
That this FPA is in conformance with the following Mason County ordinances:
11.05
That the proposed FPA involves 5 acres.
That the notifications required by 11.05.060 have been made if applicable.
Note: Not applicable in this case.
1
f �
Mason County Resource Ordinance
_X_That at the issuance of this permit will not result in a violation of the Mason
County Resource Lands and Critical Areas Ordinance. The site was inspected by
Michael MacSems of the Mason County Planning Department who determined
that any critical area buffer and/or steep slope issues have been resolved.
Geo-Technical Report/Assessment Review
A Geo-Technical _X_ Assessment_Report (check one) was written by Allan
Tahja and approved by Ken Neal of Ken Neal & Associates on 5/5/08.
Washington State Department of Transportation
_X_A DOT Access Permit is not required for this proposal.
A DOT Access Permit is required for this proposal.
Date Approved by DOT:
Shoreline Master Program
That, if applicable, all activity under this application are in conformance with the
Mason County Shoreline Master Program and has a shore line designation of
N/A
State Environmental Policy Act
This application for FPA#2007-00002:
_X_Has been reviewed for SEPA compliance under case#: SEP 2008-00033.
Is SEPA exempt.
_DNS
X MDNS
Stormwater Management
This application was reviewed for stormwater and erosion control by John Sliva
and approved on PENDING
CONCLUSION
In conclusion, this application for Class IV General Forest Practices is consistent with the
above criteria and that the public uses and Mason County has fulfilled its statutory
obligations.
2
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RECOMMENDATIONS
I, being the Manager of the Mason County Planning Department, hereby attest to and
certify that appropriate provisions have been made for this Class IV General Forest
Practices Application and hereby recommend approval. In addition these facts evidenced
by the contents of the file for this Forest Practice Application.
Signed,
F'" ✓J
Robert Fi , Planning Manager Date
M chael MacSems, Su division PTarmer Date
3
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MASON COUNTY
DEPARTMENT OF COMMUNITY DEVELOPMENT
f Mason County Bldg. III, 426 West Cedar Street
PO Box 186, Shelton,WA 98584
f.. , ✓s www.co.mason.wa.us (360)427-9670 Belfair(360)275-4467 Elma(360)482-5269
FOREST PRACTICES APPLICATION/NOTIFICATION
Type IV General
This application should be accompanied with an Environmental Checklist (SEPA) as well as an activity map/site plan which addresses
items listed below.
TYPE OR PRINT IN INK:
1. Landowner,Timber Owner and Operator information.
Legal Name of LANDOWNER Legal Name of TIM]3ER OWNER Legal Name of OPERATOR
LARRY WATERS LARRY WATTS WMT LIMBER OWANY, INC.
Mailing Address: Mailing Address: Mailing Address:
620 ELLI" AVENUE 620 EII-INOR AVENUE 826 FAIId�DDNI' AVENUE
City, State,Zip City, State,Zip City, State,Zip
SHELTON, WASH. 98584 SHELTON, WASH. 98584 SHELTON, WASH. 98584
Phone( ) Phone( ) \ Phone
366 426-5536
Email: Email: Email: MNLLK4 M-03M
2. Contact person information.
Contact Person MARTIN NELSON Phone(30 426-5536
Email: MANIIWW.00M
3. If you are harvesting timber,enter the Forest Tax Reporting Account Number of the Timber Owner:
For tax reporting information or to receive a tax number,call the Department of Revenue at(800) 548-8829.
4. Legal description where the forest practices will occur.
Parcel Number Sub Division '/a'/, Section Township Range E/W
520257500020 TR 2 S 8 72 25 2ON 0
(S- NE NE SEC
26)
5. Answer each question as it applies to your proposed forest practice.
a. ]U No. [ ] Yes. Is the activity within an urban growth area?
b. K$No. [] Yes. Is the activity within a public park?
C. n No. [] Yes. Is the activity within 500 feet of a public park? Park name:
d. [ ] No. D&Yes. Is the activity located on lands platted after January 1, 1960?
No. [ ] Yes. Is the activity within 200 feet of saltwater lake river/creek/stream pond
wetland seasonal runoff slopes which exceed 15%?
f. What is the expected duration of FPA? 2 YEARS
Proposed start date: 3-2008 Proposed end date: 3-2010
Page I of 4
6. Are you cutting or removing timber?
[]No. j Yes. Complete the table below and identify all timber harvest and salvage activity boundaries on the
activity map.
Acres Volume to be Steepest Slope in
Unit# Harvest Type Yarding Method (net) Harvested(mbf) Harvest Unit(%)
1 EVEN AGED RUBBER TIRE
SKIDDER
7. Are you constructing or abandoning roads?
nNo. [] Yes. Complete the table below. Show locations and identify all road activities on the activity map.
Total Length Steepest Side Slope Abandonment Date
Type of Activity (feet) (%) o/Yr
Road Construction Is��Tot
Temporary Road Construction
Road Abandonment
Work in or over typed water may require a Hydraulic Project Approval(HPA)from the Washington Department of Fish and Wildlife
(WDFW). If you have questions concerning the HPA,visit the WDFW website at www.wdfw.wa.gov/habitat.htm.
8. Are you installing or replacing water-crossings?
U No. [] Yes. Complete the table below. Show locations and identify all proposed water-crossings on the activity map.
Crossing Crossing Dimensions Crossing Crossing Dimensions
Identifier Type (width x length) Identifier Type (width x length)
9. Mark the following activities that will be done in or over typed water.
Activity in or over: Type I Stream Type II Stream Type III Stream Type IV Stream Type V Stream
Removing culverts of bridges
Equipment crossing
Ground skidding
.Suspending cables
Cable yarding
Falling and bucking
Other
10. Is any activity in a wetland or wetland buffer?
[]No. [] Yes. Complete the table below. Show locations and identify all wetlands and buffers on the activity map.
Wetland Wetland Type Activity Type in Activity Type in Total Wetland Total Area Total Area
Identifier (I,II,III,IV, Wetland Buffer Area(acres) Drained(acres) Filled(acres)
other
11. Describe how the following are identified on the ground.
• Harvest boundaries/unit corners: HARVEST BOMARIIiSS ARE TILE P`ROPERI'Y LDS FT AGM PINK OR RID RIBBON
• Right-of-way limits and centerlines for road work,culverts and bridges: ALL.ROADS IN
• Critical areas and critical area buffer boundaries:
Page 2 of 4
12. Have you reviewed this forest practices activity area to determine whether it may involve historic sites and/or Native American
cultural resources? [] No. Da Yes.
13. We affirm that the information contained herein is true,and understand that this proposed forest practice is subject to the Forest
Practices Act and Rules and Mason County Forest Practices Conversion Ordinance as well as all other federal, state or local
regulations. Compliance with the Forest Practices Act and Rules and the Mason County Forest Practices Conversion Ordinance
does not ensure compliance with the Endangered Species Act or other federal state or local laws.
Signature of LANDO R - Signature of TIMBER O R. Signature of OPERATOR
(if different than Lando r) M (If different that land caner)
� v LBR
Print name�Y WATERS Print e. � WAI S NNUONi MANKE .
Date: Date: Date: 1-30-2008
Additional information: (Optional)
Per Mason County Ordinance 11.05, Section 11.05.1.20,a site map shall accompany this application which includes the
following information.
I Harvest boundaries and tree retention areas.
II The approximate location of any structures.
III The location of all existing and proposed streets, right-of-ways,easements, skid roads,haul roads, and landings
within the proposal.
IV The location of future land development including stormwater management facilities and vegetation to be retained
for site landscaping, open space,wildlife habitat, screening, and/or buffers.
V Site topography at contour intervals of 40 feet.
VI Critical areas and critical area buffers regulated pursuant to the Critical Areas Ordinance.
VII Drainage ways and culverts.
VIII Site area targeted for further harvest including proposed timing.
IX North arrow and scale shall be shown on all site plans. The scale shall be no smaller than one inch to 200 feet.
Staff asks that, at a minimum, the corners of the harvest unit(s)be flagged for clear identification.
Page 3 of 4
FP LI2400..000 with SEPA SEPA 0-9.99 Acres$5900 without SE P 10 to 20 Acres$705
Over 20 Acres$885
EIS (DS)$2,360+65/hr
Departmental Review
(For Office Use Only)
Site visit:
Date approved: -7 /0 6
Mason County Community Development
I:PLANNINGTACTPA.DOC 1/25/2007
Page 4 of 4
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Site Indices are based on the WA-DNR State Soil Survey.If the site index does not exist or indicates red alder,noncommercial,or marginally
commercial species,the following apply:
a)If red alder is indicated and the whole RMZ width is within that site index,then use site class V.If red alder is indicated for only a portion of the
RMZ width,or there is on-site evidence that the site has historically supported conifer,then use the site class for conifer in the most
physiographically similar adjacent soil polygon.b)In Western Washington,if there is no site index information,use the site class for conifer in the
most physiographically similar adjacent soil polygon.c)In Eastern Washington,if there is no site index information,assume site class III,unless site
specific information indicates otherwise.d)If the soil polygon indicates noncommercial or marginally commercial,then use site class V.
See WA Forest Practice Rules(WAC 222),Chapter 222-16 for a more complete definition of site class.
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oN-S7gTF MASON COUNTY
BPS ° DEPARTMENT OF COMMUNITY DEVELOPMENT
NJ
o A U = Planning Division
io T ? P O Box 279, Shelton, WA 98584
N
�0 Y oy (360)427-9670
1864
MITIGATED
DETERMINATION OF NONSIGNIFICANCE
(WAC 197-11-350)
SEP2008-00033
Description of Proposal: This SEPA determination covers the partial logging of a 5-acre lot
with four cutting units. Access to the property is via Reller Road.
Slopes within the vicinity of the logging do exceed 15% in some
locations. A geological assessment was prepared for the site by
Tahja Engineering and reviewed and approved by Kenneth Neal
of Kenneth Neal and Associates. An off site wetland exist at the
SW corner of the property. According to the site plan submitted no
cutting will occur within 390 feet of the SW corner.
Proponent: LARRY WATERS
Site Address (If Assigned):
Directions to Site: Shelton Matlock Rd, L on Highland Rd, R on Reller Rd to site and
the end of the road
Parcel Number: 520257500020
Legal Description: TR 2 S 8/72 (S1/2 NE NE SEC 26)
Lead Agency: Mason County
The Lead Agency for this proposal has determined that it does not have a probable significant
adverse impact on the environment. An Environmental Impact Statement (EIS) is not required
under RCW 43.21 C.030(2)(c). This decision was made after review of a completed
Environmental Checklist and other information on file with the Lead Agency. This information is
available to the public upon request. MITIGATED MEASURES ARE ATTACHED.
Please contact Michael MacSems at ext. 571 or mms@co.mason.wa.us with any questions.
This DNS is issued under WAC 197-11-340(2). The Lead Agency will not act on this proposal for
14 days from the date shown below, when the determination is final. Comments must be
submitted to Dept. of Community Development, P.O. Box 279, Shelton WA 98584 by
5/21/2008. Appeal of this determination must be filed within a 14-day period following this final
determination date, per Mason County Code Chapter 15.11 Appeals.
Authorized Local Government Official Date
MITIGATED
DETERMINATION OF NONSIGNIFICANCE
(WAC 197-11-350)
SEP2008-00033
CONDITIONS OF THIS DETERMINATION
�) WETLAND BUFFER
Mason County planner Allan Bordan has identified a Class II or II I wetland, which begins at
the extreme SW corner of this parcel. Per the site plan no cutting is proposed within 390
feet of the wetland and under no circumstances shall come closer to the maximum
possible buffer of 200 feet. Flagging of the western boundary of the harvest unit shall be
maintained until the logging is complete.
2) STEEP SLOPES
Slopes as steep as 35% exist on this site, particularly in the NE corner. Access to Reller
Road will cross this slope. A geo-technical assessment for this project was prepared by
Tahja Engineering and approved by Kenneth Neal.
3) STORMWATER & EROSION CONTROL MEASURES
In addition to the conditions of whatever stormwater plan is eventually approved by Mason
County Public Works, the applicant shall abide by the following stormwater and erosion
control requirements:
Stormwater and Erosion Control measures shall follow Washington State Department of
Ecology Best Management Practices (BMPs) for controlling construction/logging runoff.
Hay/straw, silt fences, rock check-dams, rock lined ditches, siltation pond(s), etc. shall be
implemented as needed.
Escape of silty water or mud from the timber harvest area shall be considered a violation
of County and State stormwater management regulations, and could subject
4) SLASH ABATMENT
This Forest Practice Application indicates that forest debris resulting from the proposed
logging operation may create an extreme fire hazard under RCW 76.04.600 and WAC
332-24-650. An extreme fire hazard could be created if one or more of the conditions found
in WAC 332-24-650 is located within 100 feet of the running surface of a public road; or is
within 500 of an existing structure and/or designated public use area, which is not owned
by the owner of the fire hazard area.
The land owner is fully liable in the event of fire, if he or she fails to appropriately abate the
hazard. Extreme fire hazards shall be abated by removing the forest debris, or by other
means approved by the Washington State Department of Natural Resources (DNR).
Assistance with creating an abatement plan can be obtained by calling DNR agent Karen
Harris at 360-801-1111 .
Rev# Description Date TAHJA ENGINEERING,INC. SITE PLAN �.`k
1. Contours Corrected 4121108 Alan Tahja,P.E. Larry Waters Waters
PO Box 235 620 Elinor Ave. ,
HoodspoA WA 98548 Shelton, WA 98584 1 of 1
Mason Co.Prcl No.: 52025-75-00020 (360)877-9512 (360)427-9670 X-285
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' ESA LISTED SALMONIDS CHECKLIST
Applicant Information Project Information
Name Um WATERS _ Name WAIM TIMER HARVEST'
Phone (360) 427—%70 EXr. 285 Location REUER ROAD (MASON COiNN)
Description TR 2 S 8/72
(Sz NE NE SBC 26)
SBC. 26, TUWNMP 20N, RANGE 05W
PARCEL # 520257500020
This worksheet was designed to help project proponents, and government agencies, identify when a project
needs further analysis regarding adverse effects on ESA(Endangered Species Act) listed salmonids. Salmonids
are salmon, trout and chars, e.g. bull trout. For our purposes, "ESA Listed Salmonids"is defined as fish species
listed as endangered,threatened or being considered for listing.
If ESA listed species are present or ever were present in the water shed where your project will be located, your
project has the potential for affecting them, and you need to comply with the ESA. The questions in this section
will help determine if the ESA listings will impact your project.
The Fish Program Manager at the appropriate Department of Fish and Wildlife (DFW) regional office can provide information for the
following two questions.
1. Are ESA listed salmonids currently present in the watershed in which your project will be located?
YES NO Please describe.
2. Has there ever been an ESA listed sahnonid stock present in this watershed?
YES NO _ Uncertain Please describe.
If you answered "yes" to either of the above questions, you should complete the remainder of this
checklist.
April 2003
Mason County Environmental Checklist Page 15
' PROJECT SPECIFICES: The questions in this section are specific to the project and vicinity.
1. Name of watershed:
2. Name of nearest waterbody:
3. What is the distance from this project to the nearest body of water:
Often a buffer between the project and a stream can reduce
the chance of a negative impact to fish.
4. What is the current land use between the project and the potentially affected water body (parking lots,
farmland,etc.)?
5. Is the project above a:
* natural permanent barrier(waterfall) YES NO
* natural temporary barrier(beaver pond) . YES NO
* man-made barrier(culvert, dam) YES NO
* other(explain):
6. If yes, are there any resident salmonid populations above the blockage?
YES NO Don't know
7. What percent of the project will be impervious surface(including pavement&roof area)?
Mason County Environmental Checklist Page 16
FISH MIGRATION: The following questions will help determine if this project could interfere with
migration of adult and juvenile fish.
Both increases and decreases in water flows can affect fish migration.
1. Does the project require the withdrawal of:
a. Surface water? YES NO
Amount
Name of surface water body
b. Ground water? YES NO
Amount
From where
Depth of well
2. Will any water be rerouted: YES NO
If yes, will this require a channel change?
3. Will there be retention or detention ponds? YES NO
If yes, will this be an infiltration pond or a surface discharge to either a municipal storm water system or
a surface water body?
If to a surface water discharge,please give the name of the waterbody.
4. Will this project require the building of new roads? YES NO
Increased road mileage may affect the timing of water reaching a stream and may impact fish habitat.
5. Are culverts proposed as part of this project? YES NO
6. Will topography changes affect the duration/direction of runoff flows?
YES NO If yes,describe the changes.
7. Will the project involve any reduction of the floodway or floodplain by filling or other partial blockage
of flows? YES NO If yes, how will the loss of flood storage be mitigated by your
proj ect?
Mason County Environmental Checklist Page 17
WATER QUALITY: The following questions will help determine if this project could
Adversely impact water quality. Such impacts can cause problems for listed species.
Water quality can be made worse by runoff from impervious surfaces,altering water temperature,discharging
contaminants,etc.
1. Do you know of any problems with water quality, in any of the streams, within this watershed? YES
NO If yes, describe.
2. Will your project either reduce or increase shade along or over a waterbody?
YES NO
Removal of shading vegetation or the building of structures such as docks or floats often results in a change in shade.
3. Will the project increase nutrient loading or have the potential to increase nutrient loading or
contaminants(fertilizers,other waste discharges, or runoff)to the waterbody? YES NO
4. Will turbidity be increased because of construction of the project or during operation of the project?
YES NO
In-water or near water work will often increase turbidity.
5. Will your project require long term maintenance, i.e. bridge cleaning, highway salting, and chemical
sprays for vegetation management, clearing of parking lots?
YES NO If yes,please describe.
Mason County Environmental Checklist Page 18
VEGETATION: The following questions are designed to determine if the project will affect riparian
vegetation,thereby, adversely impacting salmon.
1. Will the project involve the removal of any vegetation from the stream banks:
YES NO
If yes, please describe the existing conditions, and the amount and type of vegetation to be removed.
2. If any vegetation is removed, do you plan to re-plant?
YES NO If yes, what types of plants will you use?
Mason County Environmental Checklist Page 19
SEPA CONDITIONS FOR SEP2008-00033
Larry Waters
This SEPA determination covers the partial logging of a 5acre lot with four units. Access
to the property is via Reller Road. Slopes within the vicinity of the logging do exceed
15% in some locations. A geological assessment was prepared for the site by Tahja
Engineering and reviewed and approved by Kenneth Neal of Kenneth Neal and
Associates. An off site wetland exist to the SW of the property. According to the site plan
submitted no cutting will occur within 390 feet of the SW corner.
STEEP SLOPES
Slopes as steep as 35% exist on this site,particularly in the NE corner. Access to Reller
Road will cross this slope. A geo-technical assessment for this project was prepared by
Tahj a Engineering and approved by Kenneth Neal.
STORMWATER& EROSION CONTROL MEASURES
In addition to the conditions of whatever stormwater plan is eventually approved by
Mason County Public Works, the applicant shall abide by the following stormwater and
erosion control requirements:
• Stormwater and Erosion Control measures shall follow Washington State Department
of Ecology Best Management Practices (BMPs) for controlling construction/logging
runoff. Hay/straw, silt fences, rock check-dams, rock lined ditches, siltation pond(s),
etc. shall be implemented as needed.
• Escape of silty water or mud from the timber harvest area shall be considered a
violation of County and State stormwater management regulations, and could subject
the applicant(s) to civil fines or penalties.
WETLAND BUFFER
Mason County Allan Bordan has identified a Class Il or III wetland, which begins at the
extreme SW corner of this parcel. Per the site plan no cutting is proposed within 390 feet
of the wetland and under no circumstances shall come closer to the maximum possible
buffer of 200 feet. Flagging of the western boundary of the harvest unit shall be
maintained until the logging is complete.
SLASH ABATMENT
This Forest Practice Application indicates that forest debris resulting from the proposed
logging operation may create an extreme fire hazard under RCW 76.04.600 and WAC
332-24-650. An extreme fire hazard could be created if one or more of the conditions
found in WAC 332-24-650 is located within 100 feet of the running surface of a public
road; or is within 500 of an existing structure and/or designated public use area, which is
not owned by the owner of the fire hazard area.
The land owner is fully liable in the event of fire, if he or she fails to appropriately abate
the hazard. Extreme fire hazards shall be abated by removing the forest debris, or by
other means approved by the Washington State Department of Natural Resources (DNR).
Assistance with creating an abatement plan can be obtained by calling DNR agent Karen
Harris at 360-801-1111.
r '
MASON CO. ENVIROMENTAL CHECKLIST
A. BACKGROUND � '`A
1 . Name of proposed project, if applicable:
WATERS TIMBER HARVEST
2. Name of applicant:
LARRY WATERS
3. Address and phone number of applicant and contact person:
620 ELLINOR AVENUE ATTN: LARRY WATERS
SHELTON, WASHE%TON 98584 (360) 427-%70 EXT. 285
4. Date checklist prepared: 1_30-2008
5. Agency requesting checklist:
MASON OOUNIY PLANNING AND LAND SERVICES
AND OR DEPARTMENT OF OOM= DEVEUJFMM
6. Proposed timing or schedule (including phasing, if applicable):
MARCH 2O08 THROUGH MARCH 2O10
7. Do you have any plans for future expansion, or further activity related to or connected with this
proposal: If yes, explain.
ONCE TIMBER HARVEST IS CC[TLETE, LANDuzER MAY OONSTRUCT A SINCLE FAMILY HOME ON SITE
AT A LATER DATE.
8. List any environmental information you know about that has been prepared, or will be
prepared, directly related to this proposal.
MASOk;1 CO[NIY ENVIlZOMNEnITAL G-EM= MASON COUNTY FOREST PRACTICE APPLICATION. CLASS IV.
SEE ALSO ASSOCIATED MAPS AND SITE PLANS. �--
9. Do you know whether applications are pending for governmental approvals of other proposals
directly affecting the property covered by your proposal? If yes, explain.
NONE KNOWN OF AT THIS TIME. --
10. List any government approvals or permits that will be needed for your proposal, if known.
APPROVAL OF MASON COUNTY FOREST PRACTICE APPLICATION CLASS IV.
11. Give a brief, complete description of your proposal, including the proposed uses and the size
of the project and site. There are several questions later in this checklist that ask you to
describe certain aspects of your proposal. You do not need to repeat those answers on this
page. (Lead agencies may modify this form to include additional specific information on
project description.)
PROPOSED PRMWF IS A EVEN A® HARVEST OF APPROXIMUlY 5 ACRES OF SCATTERED NIMIANTTBLE
CONIFER. To BE HARVESTED WTTH A RUBBER TIRE SKIDDER. ALL ROADS:" LANDINGS ARE IN.
ONCE HARVEST IS CONFINE LADDMU MAY DDCIDE ID CONSTRUCT A SINGLE FAMILY HOME AT A LATER
DATE. PLEASE SEE ENCLOSED STTE MAPS AND PLANS.
12. What is the location of the proposal? Give sufficient information for a person to understand the
precise location of your proposed project including a street address, if any, and section,
township, and range, if known. If a proposal would occur over a range of area, provide the
range or boundaries of the site(s). Provide a legal description, site plan, vicinity map, and
topographic map, if reasonably available. While you should submit any plans required by the
agency, you are not required to duplicate maps or detailed plans submitted with any permit
applications related to this checklist.
LB3AL Dff IG=ON TS AS FOLLM... TR 2 S 8/72 (S2 NE NE SEC 26)
ALL IN SBMON 26, TOWNSET 20N, RANGE 05W W.M. MASON COUNTY, WASHECION
PARCEL N[dy H # 52025 75 00020. SITE IS AT END OF RELLER ROAD. SEE ENCLOSED SITE MAPS AND PLANS.
B. ENVIRONMENTAL ELEMENTS:
1. EARTH:
a. General description of the site (circle one): FI t, rolling, illy, steep slopes, mountainous, other
b. What is the steepest slope on the site (approximate percent slope)?
C. What general types of soils are found on the site (for example, clay, sand, gravel, peat, muck)?
If you know the classification of agricultural soils, specify them and note any prime farmland.
SANDY GRAVELLY LOAM. WASETINTM STATE DNR SITE CLASS III. SEE MAPS.
d. Are there surface indications or history of unstable soils in the immediate vicinity: If so,
describe.
NO, THERE ARE NOT. SEE WASH. ST. DNR RESOURCE MAP.
Mason County Environmental Checklist Page 2
r
e. Describe the purpose, type, and approximate quantities of any filling or grading proposed.
Indicate source of fill. NO FILLING OR GRADING ASSOCIATED WTTH TIlm HARvEs7.
HOWEVER IF SINGLE nnax HOMEHITE IS OONSTRLUFB THEN A CLEARING AND GRADING PERMIT
WILL BE REQUIRED. FOR UP TO 1 ACRE.
f. Could erosion occur as a result of clearing, construction, or use: If so, generally describe.
EROSION CAN OOCUR AS A RESULT OF TIMER HARVESTING ACITV=. LOGGING ACTIVITY CAN RESULT
IN DISTURBED AND EXPOSED SOILS. THESE WXM BE VULNERABLE TO RAINFALL. THIS MAY RESULT IN
SILTATION.
g. About what percent of the site will be covered with impervious surfaces after project
constructions (for example, asphalt or buildings)?
UP TO 57. POSSI$LY, IF HOMESITE AND DRIVEWAY ARE CONSTRUCTED.
h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any:
EXPOSED SOILS AREAS MAY BE GRASS SEEDED. THE USE OF STRAW, HAY BALES AND LANIDS MDC MAY
BE EMPIDYED. ALSO LARGE AMMUNIS OF NATIVE BRUSH WILL REMAIN BEHIND TO HOLD DOWN EXPOSED
EARTH. IF KITE IS OONSTRi= THEN OIi-IER EROSION OONTROL FEATURES MAY BE EMPIDYED.
SOME AREAS OF PARCEL MAY AL90 BE REPLANTED.
2. AIR:
a. What types of emissions to the air would result from the proposal (i.e. dust, automobile, odors,
industrial wood smoke) during construction and when the project is completed? If any,
generally describe and give approximate quantities, if known.
SHORT TERM EMISSIONS TAUM COME FROM TIMBER HARVESTING DQUIPMM AND CREW VEHICLES.
THESE W ULD BE HYDROCARBON IN NATURE. ALSO SOME DUST MAY BE CREATED BY TIMBER HARVESI'IC.
00MPLETED PM= MAY EMIT SOME IUOD SMOKE FROM FIREPLACE OR IWDSIOVE.
b. Are there any off-site sources of emissions or odor that may affect your proposal? If so,
generally describe. NONE KNOWN OF.
Mason County Environmental Checklist Page 3
C. Proposed measures to reduce or control emissions or other impacts to air, if any:
TIMBER HARVESTING EQUIPMQdT AND CREW VEHICLES HAVE CATALYTIC OANVER7I;RS ANDnHURS
INSTALLED AS PER STATE RMS. THESE HELP TO REDUCE FOSSIL FUEL ENffSSIONS.
3 WATER:
a. Surface:
1) Is there any surface water body on or in the immediate vicinity of the site (including
year-round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe
type and provide names. If appropriate, state what stream or river it flows into.
U 4 s I e Lve 1 )C"4
2) Will the project require any work over, in, or adjacent to (within 200 feet) the described
waters? If yes, please describe and attach available plans.
NG
3) Estimate the amount of fill and dredge material that would be placed in or removed from
surface water or wetlands and indicate the area of the site that would be affected.
Indicate the source of fill material.
NO FILL OR DREDGE MATERIAL TD BE INVOLVED WITH THIS PRQTDCT.
4) Will the proposal require surface water withdrawals or diversions? Give general
description, purpose, and approximate quantities if known.
NO SURFACE WATER TO BE WI'lIiDRAWN OR DIV=. N/A.
Mason County Environmental Checklist Page 4
5) Does the proposal lie within a 100-year floodplain? If so, note location on the site plan.
NO IT DOES NOT.
6) Does the proposal involve any discharges of waste materials to surface waters? If so,
describe the type of waste and anticipated volume of discharge.
NO WASTE MATERIALS TO BE INVOLVED WITH THIS PROJF]CT.
b. Ground:
1) Will ground water be withdrawn, or will water be discharged to ground water? Give
general description, purpose, and approximate quantities, if known.
IF HOMESITE IS OONSMI CII D THEM A WELL TO WITHDRAW WATER MAY BE DRUIM. WATER WOULD BE
FOR PERSONAL USE AND SOME GARDEN IRRIGATION. NO DISCHARGES PROPOSED.
2) Describe waste material that will be discharged into the ground from septic tanks or
other sources, if any (for example; domestic sewage, industrial, containing the following
chemicals..., agricultural, etc.). Describe the general size of the system, the number of
such systems, the number of houses to be served (if applicable), or the number of
animals or humans the system(s) are expected to serve.
IF HOME IS TO BE OONSTRUCTED THEN POSSIBLE SEPTIC TANK WOULD BE DEPLMED.
THIS WOULD INVOLVE DOM=C SEWAGE. ONE SEPTIC SYSTEM FOR ONE HOUSEHOLD.
C. Water runoff (including storm water):
1) Describe the source of runoff (including storm water) and method of collection and
disposal, if any (include quantities, if known). Where will this water flow? Will this flow
into other waters? If so, describe.
RUNOFF MAY OOCUR AS A RESULT OF RAINFALL. THIS MAY A10aBLIATED ON F)SED SOILS AREAS.
THIS WILL BE KEPT ON SITE MUM VARIOUS MEANS. SEE SITE PLAN.
2) Could waste materials enter ground or surface waters: If so, generally describe.
NO WASTE MATERIAL TO BE INVOLVED WITH TIMBER HARVEST.
Mason County Environmental Checklist Page 5
J
d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any:
EXPOSED SOILS AREAS MAY BE GRASS SFEaID. THE USE OF STRAW, HAY BALES AND SILT FINCI% MAY
BE MDYED. LARGE AMINTS OF NATIVE BRUSH AND SOME SCATISM OONIFER WILL BE LEFT BEHIND.
TO ASSIST IN GRE]X P. LAM)aM MAY ALSO LAMMAPE PROPERTY. ANY ODU1CIED WATER
WILL BE DIVERTED BACK ONIO FOREST FLOOR.
4. PLANTS:
a. Check or circle types of vegetation found on the site:
XX
deciduous tree: alder, maple, aspen, other
evergreen tree: fir, cedar, pine, other
shrubs
grass
pasture
crop or grain
wet soil plants: cattail, buttercup, bullrush, skunk cabbage, other
water plants: water lily, eelgrass, milfoil, other
other types of vegetation
b. What kind and amount of vegetation will be removed or altered?
APPROXIMATED AM W OF MERCHANTABLE TIMBER TO BE RDDVED IS 2WF TO MIEF NOSILY OONIFER.
SOME 3111ER NON MERC MTIBLE TMER WILL REMAIN TO ASSIST IN GRED UP.
C. List threatened or endangered species known to be on or near the site.
NONE MOWN OF.
d. Proposed landscaping, use of native plants, or other measures to preserve or enhance
vegetation on the site, if any:
SOME HARVEM AREAS OF SFFE MAY BE REPLA= WITH DOUGLAS FIR SEEM NCS. LARGE ANDUNIS OF
NATIVE BRUSH WILL REMAIN BEHIND TO HOLD DOW SOIL. SOME AREAS MAY ALSO BE GRASS SEEDED.
IF HOMESTTE IS TO BE BUILT THIN THERE MAY ALSO BE LANDSCAPING.
Mason County Environmental Checklist Page 6
5. ANIMALS
a. Circle any birds and animals which have been observed on or near the site or are known to be
on or near the site:
Birds: hawk, heron, eagle, Congb;rc , other
Mammals: dee bear, elk, beaver, other
Fish: bass, salmon, trout, herring, shellfish, other
b. List any threatened or endangered species known to be on or near the site.
NONE MOWN OF AT THIS ME.
C. Is the site part of a migration route? If so, explain.
NO, IT IS NOT.
d. Proposed measures to preserve or enhance wildlife, if any:
LARGE 94XNM OF NATIVE BRUSH WILL REMAIN BEHIND. E906ID SOILS AREAS WILL BE GRASS SEEDED.
SOME AREAS MAY BE REPLANTED WTIH DM AS FIR SEEDLINGS. THIS WILL ALL CONIRIBUTE TO
WILDLIFE.
6. ENERGY AND NATURAL RESOURCES:
a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be used to meet the
completed project's energy needs? Describe whether it will be used for heating,
manufacturing, etc.
IF HOME IS TO BE BUILT THEN H Ft'.rRTCITY MAY BE NEEDED. HOI`'lE MAY ALSO HAVE FIREPLACE AND OR
WOODSTOVE. THIS WEI ALL BE USID FOR HEATING.
b. Would your project affect the potential use of solar energy by adjacent properties: If so,
generally describe.
NO IT VaU NX.
C. What kinds of energy conservation features are included in the plans of this proposal? List
other proposed measures to reduce or control energy impacts, if any:
NEWLY 01,6 UCIRD HOME WOULD 014PLY WITH 01NTY 00DE FOR EDGY EFFICIENCY.
Mason County Environmental Checklist Page 7
7. ENVIRONMENTAL HEALTH:
a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fire
and explosion, spill, or hazardous waste, that could occur as a result of this proposal? If so,
describe. RISK OF FIRE AND PERSONAL INJURY ASSOOIATM WITH TIMBER HARVE= OPERATIONS.
1) Describe special emergency services that might be required.
FIRE AND Eff PERS MU MAY BE RDQUIRED IF IlUCENCY AROSE.
2) Proposed measures to reduce or control environmental health hazards, if any:
TIMBER HARVESTININS H�_ MM AND CREW WET = HAVE FIRE SUPPRESSION AND FIRST AID
BWEI'M INSTALLED AS PER STATE REDS. TIMBER HARVES DU PUME.L ARE TRADO IN
FIRST AID AND FIRE FIGTMC TE ]NIQUES.
b. Noise.
1) What types of noise exist in the area which may affect your project (for example: traffic,
equipment, operation, other)?
NONE MOWN OF.
2) What types and levels of noise would be created by or associated with the project on a
short-term or a long-term basis (for example: traffic, construction, operation, other)?
Indicate what hour's noise would come from the site.
SHORT TERM NOISE FROM TIMBER HARVESnW F]QUIPN)W AND CREW VEE-IICLES. NO LOW, TERM NOISE
FOP,SEEV. DURING DAYLIGHT [URKE C HOURS ONLY.
3) Proposed measures to reduce or control noise impacts, if any:
TIMBER HARVESTING EQUIPMINF AND CREW VEHICLES HAVE CATALYTIC CONVERTERS AND NIIFFLERS
=A= AS PER STATE RB3S. THIS WILL HEED TO OOWROL AND REIXJCE NOISE IMPACIS.
8. LAND AND SHORELINE USE:
a. What is the current use of the site and adjacent properties?
SITE IS IN LONG ME FOREST' PRODUCTION CURRENTLY. ADJACENT SITES ARE A MIX OF
RURAL HJAES AND LONG TERM FORESTRY.
Mason County Environmental Checklist Page 8
b. Has the site been used for agriculture? If so, describe.
NONE OIM THAN STLUACULTURE.
C. Describe any structures on the site.
NONE
d. Will any structures be demolished? If so, what?
NO STRUCTURES TO BE DMLLS'1IED.
e. What is the current zoning classification of the site?
RRR 1/5
f. What is the current comprehensive plan designation of the site?
UNKNOWN
g. If applicable, what is the current Shoreline Master Program designation of the site?
NOr APPLICABLE.
h. Has any part of the site been classified as an "environmentally sensitive" area? If so, specify.
NO, IT HAS NOr. 51cp s
4 tve-i 1"d bw qe
i. Approximately how many people would reside or work in the completed project?
IF HCMESITE IS CONSTRUCTED THEN ONE FAMILY MAY RESIDE THERE. APPROX 2-6 PERSONS.
j. Approximately how many people would the completed project displace?
NONE, NOT APPLICABLE.
k. Proposed measures to avoid or reduce displacement impacts, if any:
NO MEASURES PROPOSED.
Mason County Environmental Checklist Page 9
I. Proposed measures to ensure the proposal is compatible with existing and projected land uses
and plans, if any: PROPOSED PRQJDOr WILL OMPLY WITH ALL OOiJ M AND STATE RULES AND
RMI ATIONS. ALL ACTIVITIES PROFOSED WILL 00 THROUC H PERMTTFBU
PROCESS.
9. HOUSING:
a. Approximately how many units would be provided, if any? Indicate whether high, middle, or
low-income housing.
IF H94ESEE IS CONSTRUCTED THEN 1 UNIT TO BE BUILT. MIDDLE INCCJMEME HOLISI%.
b. Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or
low-income housing.
NONE TO BE ELIMI14ATED.
C. Proposed measures to reduce or control housing impacts, if any:
NO MEASURES PROPOSED.
10. AESTHETICS:
a. What is the tallest height of any proposed structure(s), not including antennas; what is the
principal exterior building material(s) proposed?
PROPOSED STRUCTURE MAY BE 2 STORIES. jWD FRAME CONSIRUCITON. TWDEN EXTERIOR.
b. What views in the immediate vicinity would be altered or obstructed?
VIEWS UUM BE ALTERED THRUM THE RMVAL OF 5 ACRES OF MEM]ANME TIMBER.
C. Proposed measures to reduce or control aesthetic impacts, if any:
SITE MAY BE REPLANTED AFTER HARVEST. IF HOME IS OONSIR= THIN SOME LA DSCAPIC MAY
BE II`9P DYED. EXPOSED SOIL AREAS MAY ALSO BE GRASS SEEDED.
Mason County Environmental Checklist Page 10
11. LIGHT AND GLARE
a. What type of light or glare will the proposal produce? What time of day would it mainly occur?
UGW WOULD OTE FROM SIlNUE FAMILY 11MIESHE IF OONSIR)=. DURING EVFNNM AND NIGff
TIME HOURS ONLY.
b. Could light or glare from the finished project be a safety hazard or interfere with views?
NO, TT WOULD NOT.
C. What existing off-site sources of light or glare may affect your proposal:
NONE DOWN OF.
d. Proposed measures to reduce or control light and glare impacts, if any:
NO MEASURES PROPOSED.
12. RECREATION:
a. What designated and informal recreational opportunities are in the immediate vicinity?
NONE MOWN OF.
b. Would the proposed project displace any existing recreational uses? If so, describe.
NO, IT i UID NOT.
C. Proposed measures to reduce or control impacts on recreation, including recreation
opportunities to be provided by the project or applicant, if any:
NO MEASURES PROPOSED.
Mason County Environmental Checklist Page I I
13. HISTORIC AND CULTURAL PRESERVATION:
a. Are there any places or objects listed on, or proposed for, national, state, or local preservation
registers known to be on or next to the site? If so, generally describe.
NONE MOWN OF.
b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural
importance known to be on or next to the site.
NONE KNCWN OF.
C. Proposed measures to reduce or control impacts, if any:
NO MEASURES PROPOSED.
14. TRANSPORTATION:
a. Identify public streets and highways serving the site and describe proposed access to the
existing street system. Show on site plans, if any.
REELER ROAD SERVES THE SITE. SEE ASSOCIATED MAPS.
b. Is site currently served by public transit? If not, what is the approximate distance to the
existing street system? Show on site plans, if any.
YES, BR= TO BE SERVED BY PUBLIC TRANSIT.
C. How many parking spaces would the completed project have? How many would the project
eliminate?
SPACES FOR 2-3 VEECLES IF HOME SITE IS OONSIRUCTED.
d. Will the proposal require any new roads or streets, or improvements to existing roads or
streets, not including driveways? If so, generally describe (indicate whether public or private).
NO, IT WOULD NOT.
Mason County Environmental Checklist Page 12
e. Will the project use (or occur in the immediate vicinity of) water, rail, or air transportation? If
so, generally describe.
NO, IT WaU NOT.
f. How many vehicular trips per day would be generated by the completed project: If known,
indicate when peak volumes would occur.
APPROXIMATELY 2-3 VE[ffaLAR TRIPS PER DAY TO BE CREATED.
DURING DAYLIGHT HOURS ONLY.
g. Proposed measures to reduce or control transportation impacts, if any:
NO MEASURES PROPOSED.
15. PUBLIC SERVICES:
a. Would the project result in an increased need for public service (for example: fire protection,
police protection, health care, schools, other)?
If so, generally describe:
IF HOME IS OONSIFUCM THEN THERE WILL BE AN DOZFA`SED NEED FOR PUBLIC SERVICES.
DUTASED NEED FOR SERVICES FOR ONE FAMILY.
b. Proposed measures to reduce or control direct impacts on public services, if any:
BUILDING A HOME WILL RESULT IN INCREASED OXM TAX REVENUES TO OFFSET,PUBLIC SERVICES.
Mason County Environmental Checklist Page 13
16. UTILITIES:
a. Circle utilities currently available at the site: electricity, natural gas, water, refuse service,
telephone, sanitary sewer, septic system, other:
ECEGTRI= IS AVAU-ABLE ON RMER ROAD. ALSO POSSIBLE REFUSE SERVICE.
FOSSTRT F, TEURUNE SERVICE IS AVAILABLE ON M ER ROAD.
b. Describe the utilities that are proposed for the project, the utility providing the service, and the
general construction activities on the site or in the immediate vicinity which might be needed.
ELDCFRIMY, TELEPHONE, AND POSSIBLE REFUSE SERVICE ARE PROPOSE).
THIS G,DULD SERVE NEWLY OONSIRUCIED SINQE F9,11 Y HJIESTTE.
Signature:
The above answers are true and complete to the best of my knowledge. I understand that the
lead agency is relying on them to make its decision.
Signature: LARRY WATIRS
Date submitted:
Mason County Environmental Checklist Page 14
TAHJA ENGINEERING, Inc.
PO Box 235, Hoodsport, WA 98548
(360) 877-9512
Larry Waters
620 Elinor Ave.
Shelton, WA 98584
(360) 427-9670 X-285
RE: Geotechnical Assessment
Reller Road Single Family Residence (SFR)
Mason Co. Prcl No. 52025-75-00020
Mason Co. Case No.s SEP2008-00033 &
FPA2008-00002
Dear Larry,
Enclosed please find five copies of the Geotechnical Assessment I prepared for your
Reller Road property near Dayton.
I hope this meets your and the County's needs for proceeding with your property
development plans. Please feel free to call me if you have any questions regarding this
assessment, or if you feel anything needs correction or changing.
Thank you for your patronage and patience.
Since 1 ,
Alan A. Tahja,
File:C:Trojects l Waters lGeo-Assmnt Cvr 1 of 1 4/2/2008
TAHJA ENGINEERING, Inc.
PO Box 235,Hoodsport, WA 98548
(360) 877-9512
Mason County DCD
PO Box 279
Shelton, WA 98584
Larry Waters
620 Elinor Ave.
Shelton, WA 98584
(360)427-9670 X-285
RE: Geotechnical Assessment
Reller Road Single Family Residence (SFR)
Mason Co. Prcl No. 52025-75-00020
Mason Co. Case No.s SEP2008-00033 &
FPA2008-00002
INTRODUCTION
Mr. Larry Waters contacted me early this year and requested my assistance in developing
a geotechnical report to address landslide stability issues relating to the timber harvest
and residential development of the above sited Mason County property parcel.
Slopes on the property were investigated and the five acre parcel was found to be located
in an area that may be described as hilly,with slopes measured between 15% and 35%
on the Waters' and surrounding properties. The northeast corner of the property where
Reller Road cuts across it was found to have a road embankment with a height of
generally 10 feet, and a slope between the road and its catch point of approximately 60%.
This short steep bank is not located on the Waters property, and is more than 300 feet
away from the proposed residence location. The Waters' driveway will initiate
approximately 50 feet southeast of this short slope, and the slope should be considered
too short and too remote from the proposed Waters activities to require that a
geotechnical report level document be prepared for this site instead of this geotechnical
assessment level document.
Mason County's Resource Ordinance (MCRO)requires geotechnical investigation of any
properties with slopes exceeding 15%and more than 10 feet of vertical relief. Property
improvements and ground disturbing activities within 300 feet of slopes exceeding 40%,
or within 300 feet of slopes exhibiting instability may be required to have a geotechnical
report level document prepared to determine where the property may safely be
developed, and/or what mitigation measures may be needed or required to safely develop
property either within an area classified as a landslide hazard area, or within the hazard
areas' buffer.
The Waters' property contains no slopes or instability indicators that would cause a
geotechnical report level document to be prepared for the property. The short steep slope
referenced in the second paragraph of this introduction is a portion of the Reller Road
File:C:IProjectsXaterslGeo-Assmnt 1 of 5 4/2/2008
TAHJA ENGINEERING, Inc.
PO Box 235, Hoodsport, WA 98548
(360) 877-9512
shoulder embankment, and appears to have been stable in its present condition for several
years. This short section does not appear to have a sufficient height to require this report
to address more than geotechnical assessment level issues.
The following nine elements are required to be addressed in geotechnical assessments
prepared to meet the County's geotechnical assessment requirements.
1. Discussion of geologic conditions: The site is located approximately 7 miles east
and a little south of Shelton, Washington. The site is accessed off of the Reller Road, a
private road and is comprised of approximately 5 acres as shown on the attached site
plan. Most of the site is gently sloping with slopes ranging between 0 and 35 percent.
A section of the geologic Map of Shelton on the following page reveals that the site is
located in an area composed of(Qgd) Continental Glacial Deposits of the Fraser
Glaciation, Vashon Stade described as follows;
Qgd Drift, late Wisconsinan (Pleistocene)—Undifferentiated till and out-
wash sand and gravel of mostly northern provenance; contains gran-
itic and metamorphic clasts and abundant polycrystalline quartz char-
acteristic of sediments deposited by the Puget lobe of the Cordilleran
glacier;minor locally derived Crescent Formation basalt may also be
present; may contain clay, silt, sand, gravel, or rare boulders; light
gray where fresh with rare reworked weathered clasts and local yel-
low to brown mineral staining; may be stratified or nonstratified;
compact to loose; may occur as morainal ridges; contains mixtures of
till and outwash not separately mappable; clasts in till are rounded,
faceted, and(or) striated; clasts in outwash are sub- to well-rounded:
finer-grained fraction is angular in till versus sub- to well-rounded in
outwash; age of maximum ice advance in map area has been esti-
mated to be 14,000 yr(Porter, 1970) to 12,600 yr(Carson, 1970).
Inspection of the site and surrounding areas found the main soil component present onsite
to be a moderately gravelly sandy loam material. Probing in various areas of the property
generally found a moderately dense shallow soil horizon of the gravelly sandy loam
resting atop of a more dense glacial till soil.
The site itself displays no indication of instability problems. The access road(Reller Rd)
which originates from the Panhandle Lake Road crosses through the already described
shallow gravelly sandy loam,and in the deeper road cuts, the till layers become visible,
and there are several areas exposed where basalt rock has been encountered beneath the
glacial till materials.
File:C:IProjectsl Waters lGeo-Assmnt 2 of 5 4/2/2008
TAHJA ENGINEERING, Inc.
PO Box 235,Hoodsport, WA 98548
(360) 877-9512
�. a9
ONCQt
Shelton
\ QgC
"`I o
ktt
A contact is shown on the above section of the Geologic Map of Shelton,which generally
separates Quantenary Sediment deposits to the north from Tertiary Sediment deposits
found south of this area. No additional faults or contacts were identified within several
miles of the site.
Inspection of the Soil Survey Map of Mason County found the soil listed as a Shelton
gravelly sandy loam typically found on 5 to 15% slopes. The Shelton soils are not
identified as an erodible soil in Mason County's Resource Ordinance.
2. Discussion of groundwater conditions at the site: The general sloping relief of the
property from its northeast corner to its southwest corner of the property helps keep the
majority of the property fairly well drained and dry. The back portion of the property
(southwesterly corner of the property) was found to be soft and damp soil. Review of
Mason County's Planning Department notes from a site visit performed on March 20,
2008 by , indicates the presence of a wetland water body in the
southwest corner of the property. The approximate location of this wetland, and a 150
foot buffer/setback line is also included on the attached site plan.
4)11" Ao,,cite v,
During heavy precipitation events,the shallow surface layer of soil likely becomes
saturated. Any stormwater runoff delivered to the saturated soils will become runoff. The
site exhibits no indicators that stormwater runoff has produced any adverse impacts to the
site.
3. Approximate depth to hard or competent soil: Exploration of the surface of the
Waters site, observations of the road cuts made during the construction of Reller Road,
and random probing with a steel rod found the site may be generally described as 2 to 5
feet of medium dense gravelly sandy loam resting on top of a hard and dense layer of
glacial till or basalt rock. Residential foundations are recommended to bear on the
File:C:ProjectsXaterslGeo-Assmnt 3 of 5 4/2/2008
TAHJA ENGINEERING, Inc.
PO Box 235, Hoodsport, WA 98548
(360) 877-9512
undisturbed deeper-denser soil underlying the site. Any fills or embankment constructed
to support a structure should be performed under the supervision of an engineering
geologist or licensed engineer.
The soil depth to a hard layer increases in the southwesterly corner of the property where
eroded soils and hydric soils have accumulated. This wetland area and the buffer shown
around the wetland should not be developed unless additional investigation and
recommendations are made showing how development could safely proceed in this area.
4. Discussion ofgeomorphic expression ofpast slope instability: The Waters
property and residential properties surrounding the site display no evidence of slope
instability or earth movement.The Allison-Gale property located to the east of the
Waters' site experienced some loss of fill embankment as a result of December P, 2007
storm that visited the area. The erosion and slumping of material from this fill slope is
presumed to be the result of inadequate compaction combined with an unfavorable choice
of embankment material, and attack by severe weather conditions.
In brief, the entire area surrounding the Waters property may be typified as stable.
5. Discussion of the history of landslide activity in the vicinity: Inspection of the
Washington Coastal Zone Atlas covering this area found the no unstable areas or
instability indicators within miles of the site.
6. An opinion on whether the proposed development is within the landslide hazard
area or its associated buffer or setback: In my opinion,the proposed timber harvest, and
residential development of the Waters property is not within a landslide hazard area or its
associated buffer or setback.
7. A recommendation by the preparer whether a Geotechnical Report should be
required to further evaluate site conditions and the proposed development of the subject
property: A geotechnical report level investigation of the property does not appear
warranted from the observations and findings already made.
8. If the presence of a hazard is determined within 300 feet of the proposed
development, then the area of the proposed development, boundaries of the hazard, and
associated buffers and setbacks shall be delineated(top, both sides, and toe) on a
geologic map/site map. A hazard has not been determined to be within 300 feet of the
Waters' property or planned improvements.
9. A site map drawn to scale showing the property boundaries, scale, north arrow,
and the location and nature of existing and proposed development on the site: This
report includes a site plan which contains the required information. A conceptual Onsite
Septic System(OSS)and the approximate location of a conceptual residence and
driveway are shown on the attached site plan.
File:C.lProjectsl WaterslGeo-Assmnt 4 of 5 4/2/2008
TAHJA ENGINEERING, Inc.
PO Box 235, Hoodsport, WA 98548
(360) 877-9512
Stormwater Management during FPA activities and permanent stormwater management
of the completed residential property. Though the soils on the Water property are not
listed as "erodable",requiring an engineered stormwater site plan,the timber harvest
proposed under the Forest Practice Act has a potential of adversely impacting
neighboring properties if measures are not taken to maintain the site in a stable condition
(in terms of stormwater runoff control) during and after the timber harvest. The timber
harvest is expected to remove the majority of the timber from the site. Nearly all of the
Waters property drains naturally towards the southwestern area of the site were the
wetland was identified by the County Planning Department. To provide treatment of silt
laden or muddy water escaping from the Waters' property, a silt fence should be installed
between the timber harvest activities and the wetland area. The fence should be installed
as far away from the wetland area as possible to help realize as much natural treatment
and filtering of stormwater runoff as possible through the site's existing vegetation. A silt
fence is shown on the attached site plan. If silt or turbidity proceeds as far as the wetland
area of the site, additional layers of silt fence should be installed between the logging
operations and the wetland area. All measures necessary to maintain clean stormwater
runoff delivery to the wetland area should be employed.
Upon completion of the timber harvest,bare soils should be seeded to grass and covered
with a protective layer of brush, straw, vegetation or other material as deemed necessary
to stabilize the soils from rain impact and erosion.
The construction of a single family residence on the property can be expected to have
minimal impact to the property and neighboring properties provided no concentrated
discharges of stormwater runoff are delivered any closer than 25 feet from a property
boundary. Any concentrated discharges of collected stormwater runoff should be
dispersed into vegetated areas of the property and be allowed to sheet flow away to their
natural discharge location(s),typically the southwesterly area of the property.
This concludes my assessment of the Larry Waters property located in the Dayton area of
Mason County, Washington. Please feel free to contact me if there are any additional
concerns or issues required to be addressed by Mason County's Resource Ordinance
17.01.100— 104.
Sincerely,
� A. T
�F WAls�,t
A�
Alan A. Tahja, P.E.
Attached: 1 page plan set.
30784 Cyr
�EGI STEg��
�SSI0 L
omms
File:C.IProjectslWaterslGeo-Assmnt 5 of 5 4/2/2008
h � x
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i ---- 480
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1s Property Line 660' _
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y� Alignment
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— Lines(All shown ^w
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rn b
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- FPA2008-0000200
\� SEP2008-00033
ere_0 W
-- , 500
SCALE: V=100' �p o
0 25 50 1 ) o
TAHJA ENGINEERING, Inc.
PO Box 235, Hoodsport, WA 98548
(360) 877-9512
Mason County DCD
PO Box 279 t
Shelton, WA 98584 Z
Larry Waters alb�1
620 Elinor Ave.
Shelton, WA 98584
(360) 427-9670 X-285
RE: Geotechnical Assessment Addendum
Reller Road Single Family Residence (SFR)
Mason Co. Prcl No. 52025-75-00020
Mason Co. Case No.s SEP2008-00033 &
FPA2008-00002
Attached please find a copy of Mason County's review letter and request from Michael
MacSems for clarification of a discrepancy in the geotechnical assessment I prepared for
the Larry Waters property for the above referenced parcel dated 4/2/08. Also attached
please find a copy of the review letter from Mr. Kenneth Neal wherein he raises a
concern regarding his perceived inconsistency between the written narrative of the report
and the site plan.
Mr. Neal's comment states;
There is an inconsistency between the statement on Page 1, Paragraph 2, that "...the five
acre parcel was found to be located in an area that may be described as hilly, with slopes
measured between 15%and 35%on the Waters'and surroundingproperties"and the
topographic site plan, which shows an 18 foot high slope immediately below the septic
tank site that extends over a horizontal distance of approximately 36 feet (approximate
inclination of 50 percent). This slope, if mapped correctly, meets the criteria outlined in
Mason County Resource Ordinance (MCRO) 17.01.1OOAlffor a "Landslide Hazard
Area. " Since the director does not have authority to waive the report requirements for
what is considered a MCRO 17.01.100E1 "Category a"site, unless there is an error on
the site plan that can be reconciles with the text, a geotechnical report is required for this
project.
Response:
The site plan for the geotechnical assessment was developed from Mason County's
Geographic Information System(GIS)website's contours. During the investigation of
the property for the assessment,the entire site was walked, and slopes measured in an
effort to determine where on the property the steepest slopes were located, and to
determine if there are any indications of ground or slope instability. As stated in the
original geotechnical assessment,the steepest slopes found on or near the Waters'
property were measured and found to be less than 40%. With no surface indications of
File:C.Trojectsl WaterslGeo-Assmnt Addndm 1 of2 4/21/2008
TAHJA ENGINEERING, Inc.
PO Box 235,Hoodsport, WA 98548
(360) 877-9512
instability, it appears appropriate that an assessment level report be prepared for this
property.
When I completed the assessment and site plan, I too noticed the discrepancy in the site
plan's contours and my narrative description of the property. I am accustomed to written
specifications and descriptions taking priority over drawing dimensions and details, so
decided that it shouldn't raise a concern, and left the drawing as I first developed it from
the County's contouring.
I've found the County's contouring very useful, but also have found that sometimes it's
not very accurate. When I prepare geotechnical reports, I typically gather a limited
amount of topographic information using a transit and distance meter and blend it into the
County's elevations,but on an assessment,the detail of the report typically doesn't
require the same level of detail I include in a geological report document, so it is likely to
be more general
Attached please find a revised site plan that portrays the slopes found on the Waters'
property more accurately than the original site plan showed.
No slopes were found on the Waters' site that exceeded 40%, and no instability indicators
were evident on the property, so I still feel a geotechnical assessment is the appropriate
level of reporting for this property.
I hope this information satisfies the County's and Mr. Waters' needs for permitting and
developing the property.
Please feel free to call me if you have any questions regarding these comments or the
original geotechnical assessment.
Sincerely,
A.
pF
Alan A. Tahja ti�w WASk
Attached : Revised Waters Topographic Site Plan dated 4/21/08 ,r
Mason County Review Letter
Kenneth Neal& Associates Review Letter
0 CISTF, w
�`ssIONAL
EXPIRES
File:C Wrojecal WaterslGeo-Assmnt Addndm 2 of 4/21/2008
Rev# Description Date TAHJA ENGINEERING,INC. SITE PLAN
1. Contours Corrected 421108 Alan Tahja,P.E. Lamy Waters Waters
PO Box 235 620 Elinor Ave.
Hoodspor4 WA 98548 Shelton, WA 98584 1 of 1
Mason Co.Prcl No.: 52025-75-00020 (360)877-9512 (360)427-9670 X-285
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DEPARTMENT OF COMMUNITY DEVELOPMENT
Belfair (360) 275-4467
Planning
Mason County Bldg. 1 411 N.5th Elma (360) 482-5269
P.O.Box 279 Shelton,WA 98584
1854
Larry Waters
620 Ellinor Ave
Shelton, WA 98584
April 17, 2008
Re: 52025-75-00020
Dear Mr. Waters,
This letter concerns the geo-technical assessment submitted for your FPA on the above
referenced parcel. I recently received comments back from contract reviewer Kenneth
Neal (of Kenneth Neal & Associates) stating that there are internal contradiction in this
assessment and that if the site plan is accurate, than a geo-technical report is requiredfor
this project. (Per section 17.01.100.D.2.b of the Critical Areas Ordinances a geo-technical
report is probably required anyway).
Please find enclosed the 4/14/08 letter from Kenneth Neal describing the additional
information that he needs to see in order to recommend approval. You will need to have
your engineer amend the document as specified. The amended document should be
delivered to my attention and I will have it forwarded to Mr. Neal. Any technical
question that your engineer may have should be directed to Mr. Neal. My role in this
process is primarily to pass documents between the parties and log the activities into the
case record. I apologize for any inconvenience this delay may cause.
Sincerely,
Michael MacSems
Subdivision Reviewer
cc: Tahja Engineering
Bob Fink
WA
X784
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=�i}vert
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FPA2008-00002 .r'
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450 1 N
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SCALE: 1"=100' / � '~�� 6.00
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KENNETH NEAL & ASSOCIATES
CONSULTING ENGINEEWNG GEOLOGISTS
3314 Gibraltar Ct. S.E.,Olympia,WA 98501-3968
Telephone: (360)352-5125 Fax: (360)236-0201 Was
O Iji
e-mail: kengneaA&oLcom
April 14,2008
MEMORANDUM
TO: Mason County Department of Community Development t�
ATTENTION: Robert D.Fink,AICP,Planning Manager gineenn Geo og
100
FROM: Kenneth G.Neal,L.G.,L.E.G.,Principal Engineering Geologist enS� �o
KENNETH ,
SUBJECT: Review Comments—FPA 2008-00002 G.—NE-
"Geotechnical Assessment, Reller Road Single Family Residence (SFR),
Mason Co. Prcl No. 52025-75-00020,Mason Co.Case No.s SEP2008-00033 &
FPA2008-00002," letter report to Mason County DCD and Larry Waters by
Tahja Engineering,Inc.,dated April 2,2008
There is an inconsistency between the statement on Page 1, Paragraph 2, that"...the five acre parcel was
found to be located in an area that may be described as hilly, with slopes measured between 15% and
35% on the Waters' and surrounding properties" and the topographic site plan, which shows an 18-foot
high slope immediately below the septic tank site that extends over a horizontal distance of
approximately 36 feet(approximate inclination of 50 percent). This slope, if mapped correctly,meets the
criteria outlined in Mason County Resource Ordinance (MCRO) 17.01.100A1f for a "Landslide Hazard
Area." Since the Director does not have authority to waive the report requirements for what is
considered a MCRO 17.0 L I OOE 1 "Category a" site, unless there is an error on the site plan that can be
reconciled with the text, a geotechnical report is required for this project.
If you have any questions, please call. I can most easily be reached on my cell phone at 360-280-6180.
2 copies submitted
RECEIVEC
W,Y 0 5 20081
KENNETH NEAL & ASSOCIATES
CONSULTING ENGINEERING GEOLOGISTS MCCD - PLANNING
3314 Gibraltar Ct. S.E.,Olympia,WA 98501-3968
Telephone: (360)352-5125 Fax: (360)236-0201 W ashi�i
e-mail: kengneal@aoLcom
May 1,2008
MEMORANDUM
TO: Mason County Department of Community Development ngin-dng Geologis 'r
ATTENTION: Robert D.Fink,AICP,Planning Manager 100
FROM: Kenneth G.Neal,L.G.,L.E.G.,Principal Engineering Geologist
KENNETH
SUBJECT: Review Comments—SEP-2008-00033 and FPA 2008-00002
"Geotechnical Assessment Addendum, Reller Road Single Family Residence
(SFR), Mason Co. Prcl No. 52025-75-00020, Mason Co. Case No.s SEP2008-
00033 & FPA2008-00002," letter, written to Mason County DCD and Larry
Waters,dated 4/21/2008
The consultant has corrected the discrepancy described in our previous memo. Accordingly, we
recommend the assessment be accepted.
If you have any questions,please call. I can most easily be reached on my cell phone at 360-280-6180.
2 copies submitted
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