HomeMy WebLinkAboutGeoTech Assessment Review - BLD Engineering / Geo-tech Reports - 5/8/2002 MASON COUNTY
PUBLIC WORKS DIRECTOR/COUNTY ROAD ENGINEER
Shelton,Wuhington 98584
DATE: May 81h, 2002
INTER-DEPARTMENTAL COMMUNICATIONS
TO: Michael MacSems, DCD - Planner
FROM: Alan A. Tahja, P/W- Co. Hydr. Engr. Work Order# PLG-02
SUBJ: Geo-Tech Assessment Review NAME: Huson Class IV FPA @ Larson Lake
FPA2002-00002 / SEP99-00042
Michael,
A geotechnical assessment prepared for the proposed Michael Huson Class IV Forest Practice
Act Timber Harvest, has been received and reviewed by Public Works.
The report's description of the property and soils dispels stability concerns, and the
recommendations made pertaining to Erosion and Sediment Control should be made conditions
for permit approval. The geologist's recommendations for water bars in the road should be
implemented, and water dispersed from the road wherever convenient. Though the Jesfield ditch
appears convenient to deliver road runoff to, this should be avoided. If the Huson road collects
runoff from the road and upslope Huson property, natural flow to the lake will not be preserved
and Jesfield will be the recipient of an unnatural concentration of runoff. It appears that the
development of lot one has the potential of producing an increased runoff amount to the Jesfield
ditch. A cross culvert should be included in the road improvements to pass water from the uphill
side of the road to the lake through the Huson lots.
As a logging road, the road is considered temporary. Conversion of a logging road to a
permanent road could be considered the creation of a new road.
The geotechnical assessment appears adequate in terms of stability issues, but additional
information should be requested of the applicant or their geologist/engineer addressing
permanent stormwater runoff issues. If they can develop a plan to address the above concerns,
this proposal could be accepted, otherwise there appears to be justification for requesting
development of more formal stormwater control features.
Please feel free to contact me at County extension 461 if you have any questions regarding these
comments, or if you feel any features need further discussion or attention.
Sic ely,
am .7t.
Al A. Tahj a
File: H:\WP\GEO\ASESMNTS\Huson.doc
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NOTE: APP OVED �,9�
SEE SURVEY ,BY GORDON GRAYUM LEGEND: ig DNR MON.
BOOKgip, PAGE 97. SEE ALSO SURVEY ■ jf5 IRON BAR & PLASTIC N 114 COR.
BY WASH NGTON STATE DEPARTMENT OF CAP SET 30 SEC. 30 D 1 RECT R 0 COMMON!TY DEVELOPMENT
a NATURAL RESOURCES, BOOK ll, PGS. f55-156 FOUND f5 -IRON BAR WICAP
ALL RECORDS OF MASON COUNTY, WASHINGTON. LS 20706, UNLESS OTHERWISE ;.� SHORT PLA T
SCALE: 1'"-200' NOTED H� FOR
■ SOIL LOG NORTH-SOOT to N
! FOUND IRON BAR CENTERLINE .s MI CHAEL AND BRENDA HUSON
3 yy�CAP LS 20706' 0 j 00 200 ¢00 FOSS 1 BLE WELLS I TE SECTION 30
4.67 N,. 1. 10 W IN
OF PROPERTY (JEFFREY.SMITH & SOURCE ONE MORTAGE SERVICE CORP.) SE 114, NW 114
CpRNE N 8732'1 ' W 1323.57 SECTION 30, TOWNSHIP 23 N. , RANGE I W. , -W.M.
y 330.89 878.53 �� P. O. BOX 34, TAHUYA; WA. 98588 . (206)275-5550
99268 PARCEL #123302400000. & PARCEL #123302400010
t- 30, ESMT. AS THE PROPOSED LOCATION
w /�RECOftDED UNDER LOT 2 -- v P (DAV I D CKR I ST I ANSEN) of WELLS & 100' RADIUS'
►� 5.58 AC. /
a o A:F. J234579- . h `Oo / N L 1 NE TABUS ARE ADVISORY ONLY.
a � - '� '`� ■ \ � N0. BEAR I NG D I STANCE WELLS I TE APPLICATION &
AA Sow ;ar or ( ) �` "� L 1 . S 1834'13' w 59.48 SEPT I C S I TE INSPECT I ONS
r LOT I �oA�P
~ n q �'� `° L 2 S 23'17'46' W 100.74 MUST BE ApPL I ED FOR
y p � � to _ \ 991.39 ^ (ERI ST L 3 S 4042'28' W 104.25 PR 1 OR TO 8U 1 L D i NG
5'.13 AC 650.92� / �,4 P�. co HUL TGREN) PERMIT.
3 , L4 S 69'16 52 W 34.40
S 87' 'S0' E 3 L5 S 3945'55' W 34.40
LOT 3 �co L 6 S 39 445'56' W 52.15 n
, t,
:� rn ^ \G V rn r:� L 7 S 33�7�28�. W 68.71 ' .... '.....�70
2.30 AC.
o o 130' l R 1 VATE ■ \ `Z` Q►� L8 S 41 51. 39 W 90.00 d ,
99O 72 L9 S 4131 .'390 W 46.00 �''C4'��
g y ESMT� OR / 522.26 1 ,- -+_ �,� !�, ` L 10 S 61 56'45' W 76.65 t,� . v
INGRESS,--EGRESS, S 87 44'50*E / 9 L 11 S 10 02'26' W 96.28. A
cr) f NAGS AND v Fi a L 12 S 1021 '240 W 30.75 '• 1 o
Q DRA - �p � co
L 13 N.52 45 14 E 75.75
UT 1 L I T I ES L O T i 4 �' 't .09 AC L 14 N 60 27'540 E 56.77 :L gess�.
y ■ 2.02 AC. L 15 N 01'17 33 E 78.10 !srsT�g:
(2.11 AC. TOTAL) `' Fr+ �► \� PUDD MSE) L16 S 8744'50' E 108.02 O
w 405.23 A 989.92 L 17 S 39'14'55' W 14.81
/ .LAZE
1 END, IRON BAR J9.1 158SP
I,�30' ESMT. AS (FIRST (ROLAf�ID ALTMAMV) W CAP LS 20706
RECORDED UNDER DOUGLAS & JOAN
FOUNDS I A.F. 3807 ART) ALL ACREAGES CALCULATED TO 3.33N, 0. 13 E. HOLMAN & ASSOCIA TES
I RON p-AR :�^ �,I;S;4� rtP- THE L i NE OF EXTREME H I GH WATER OF PROP. COR.
w/cAP (JANES AND PROFESSIONAL LAND SURVEYORS _. ..
LS20706 JUDY WARNING: MASON COUNTY HAS NO RESPONSIBILITY TO BUILD, IMPROVE, 2323 N: ADAM_•S, SHELTON, W4 .
JESFIELD) MAINTAIN OR.OTHERWISE SERVICE THE PRIVATE ROAD CONTAINED WITHIN 98584
2.78 N, OR PROVIDING ACCESS TO THE PROPERTY DESCR I BED I N THIS SHORT (206)426-2990
0.71_ IN SUBDIVISION. ,
PROP. COR.
M � I
Y
MASON COUNTY
PUBLIC WORKS DIRECTOR/COUNTY ROAD ENGINEER
Shelton,Washington 98584
DATE: May 151h, 2002
INTER-DEPARTMENTAL COMMUNICATIONS
TO: Michael MacSems, DCD -Planner
FROM: Alan A. Tahja, P/W- Co. Hydr. Engr. Work Order# PLG-02
SUBJ: Geo-Tech Assessment Review NAME: Huson Class IV FPA @ Larson Lake
FPA2002-00002 / SEP99-00042
Michael,
I have been in contact with Mike Huson regarding drainage issues associated with his proposed
FPA near Larson Lake.
Mike has prepared a plan showing the location of proposed water bars and a narrative describing
other stormwater management features, which if incorporated into the.site's development
adequately address the concerns I expressed in my IDC dated May Bch
With this additional information, I feel the geotechnical reporting requirement for the proposed
activities is satisfied.
Please feel free to contact me at County extension 461 if you have any questions regarding these
comments, or if you feel any features need further discussion or attention.
Sincerely,
y
A an A. Tahj a
Attached: Stormwater control narrative&water bar placement plan
File: H:\WP\GEO\ASESMNTS\Huson-2.doc
13 , a z
Michael McS=s
After my conversation with Alan Taja I have-altered my road plan to
include 4 water bars instead of using the Jesfield ditch. The water bars will
direct the flow of any water runoff in the direction of Larson Lake. The 4
inch gravel covering will be crowned of sloped slightly in the direction of
Larson Lake. Where possible vegetation will be left where the water bars
flow or reseeded with grass. The road is about 400 feet long and about 20
feet wide. It follows the easement for it oa �t 1.
Thank you,
Mike Huson
360-275-5550
MAY 1 4 2002
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SHORT PLAT
NOTE' APP OVED
SEE SURVEY BY GORDON GRAYUM LEQEND:
BOOK 10, PAGE 97. SEE ALSO SURVEY 19 DNR MON.
BY WASHINGTON STATE DEPARTMENT OF • C5 IRON BAR & PLASTIC N 1. COR. '
NATURAL RESOURCES, BOOK 1 1, PGS. !55-156 CAP SET 300 SEC 30 D 1 RECT R `0 COM,MUN i T Y DEVE L OPME N T
WICAP
ALL RECORDS OF MASON COUNTY, WASHINGTON. LSU20706, IUNLESS RON ROTHERWISE 3
SCALE. 1"=200' NOTED � o SNORT PLAT
■ SO1 L LOG NORTH-SOUTH v- N FOR
FOUND IRON BAR ='
W/CAP LS 20706 OO POSSIBLE WELLSITE CENTERLINE o MICHAEL AND BRENDA HUSON
4.67 N, 1 . 10 W 0 100 200 400 SECTION 30
OF PROPERTY (JEFFREY SMITH & SOURCE O/E MORTAGE SERVICE CORP.) IN
CORNE N 87 32'14A W 132.3 57 SE 114, NW 1�4
' 330.89 �� SECTION 30, TOWNSHIP 23 N, , RANGE I W. , -W.M,
I 878.53 P. 0. BOX 34, TAHUYA, WA 98588 (206)275-5550
I.L ATE ( S 992.68 ,�� .r[
'I/30' ESMT. As LOT Z PARCEL �. 123302400000 & PARCEL 123302400010
C /r RECORDED UNDER - �� THE PROPOSED L OCA T 1 ON
'`� 5.58 AC. / N (DAVID CHRISTIANSEN)
o I A.F. 234579 co ,\ v P � OF WELLS & 100 ' RADIUS'
I� ■ \ N L I NE TABLE ARE ADVISORY ONLY.
�; //1 ��' o` ( C I Q� NO. BEAR 1 NG D I STAPJCE WEL L S f TE APPL 1 CAT I ON &
� I '`� F, L 1 S 1834'13' W 59.48 SEPTIC S f TE 11JSPECT!OI`:S
o ca I LOT co`D ` �'� L2 S 23'17 '46" W 100.74 MUST BE APPL I ED FOR
m 5.'1 AC.. 991.39 ^ (EP.NEST
T 650.92� / L4 �P cz HULTGREN) L3 S 4042 '28' W 104.25pR�ORrTO BUILDING
L4 S 69'16 '52' W 80.02
o I % S 87 4'50' E 0 3 L 5 S 3945'55" W 34.40
LOT 3 V L 6 S 39 45 '56" W 52. 15
/ 0 7
:n 2.30 AC. ^ �G �� L7 S 33�7'28" W 68.71 F' • �T
Q o i 30' '�RI VATE �' ■ 990.72 Q' °7 L8 S 41151 '39" W 90.63 Y: ...........
Ld ESMT. OR ' 522.26 - L 9 S 4151 '39" W 46.00
�' L 10 . S 61 56 '45 W 76.65
1NGRESS,�EGRc I , r I 1
DRA!NA GE AND o S 87 44 50 E - L 1 1 S 10'02 '26' W 96.28
' �°' F, °'
UTlL1TlES o �0 Q. o� L72 S 1071 '24� W 30.75 �
I L G0 L 13 N 52'45 '14 E 75.75 `. p
o L O T AC. ^ J 09 ACC L 14 N 6027'54" E 56.77 ;'•., ;L= ► ..'
L _ (2. 11 AC. TOTAL �` (STE VEN L 15 N 01'17'33" E 78. 10 I�ggS� n
w 9.97� ■ 405.23 �� 989.92 �,'�� PUDD 1 C06 3E) L 16 S�8744 '50' E 108.02 gyp''
��1 L 17 S 39'14'55' W 14.81 �� LAIC
z is 44u t , i 79.b.9 KIP 7/16/94 l
30' ESMT. AS i (FIRST UNION . (RO�AI� ALTMANN) FND. IRON BAR J9! 1585P
RECORDED UNDER i DOUGLAS & JOAN MTG. CORP.) W/CAP LS 20706
FOUNDI I A.F_f..380738 I �EYHART)
IRON PAR• ALL ACREAGES CALCULATED TO OF PR 0. 13E HOLMAN & ASSOCIATES -
W/CAP (JAM--S Avu r THE L I NE OF EXTREME H 1 GH WATER 0,= PROP. COR.
PROFESS i ONALLAND SURVEYORSLS20706 JUDY i`" g WARNING: MASON COUNTY HAS NO RESPOI B I L I TY TO BUILD, IMPROVE,
NS
JES.F 1 ELD) 7 t MAINTAIN OF OTHERWISE SERV 1 CE THE PR I VATE ROAD CON7A I ICED W!TH I N 2323 N. ADAMS, SHEL TON, VIA
2. 78 N, ,
!
OR PROVIDING ACCESS TO THE PROPERTY DESCRIBED IN THIS SHORT (206)426-2990 98584
0. 7I W � r
PROP. COR. ? SUBDIVISION. .
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