HomeMy WebLinkAboutPermit L92-0003 - KING COUNTY PARKS - SHORELINE SUBSTANTIAL DEVELOPMENTl92-0003 green river trail
King County
Facilities Management Division
Department of
Construction and Facilities Management
King County Administration Building Room 320
Seattle, WA 98104
(206) 296-0648
(206) 296 -0186 FAX
April 4, 1995
Mr. John Jimerson
Planning
City of Tukwila
6300 Southcenter Blvd.
Tukwila, Washington 98188
RE: Green River Trail Phase I
Dear Mr. Jimerson:
Please find enclosed the City of Tukwila Shoreline permit (File Number L92 -0003) for the
referenced project currently under construction. As we discussed last week, please review the
permit and the enclosed plans for the trail section proposed between the E. Marginal Way S.
and Pacific Highway S. bridges. The proposed trail is on the south side of the Duwamish
River on the existing crushed rock path.
I propose amending the permit to include this section of trail. The permit is for the same
type on construction as proposed between the bridges. If the permit can be amended, please
call me and I will provide the City with additional plans.
If you have any questions regarding this section of trail, please contact Don Williams. I have
kept Don informed on the possibility of Change Ordering this section of trail in my Phase I
construction contract.
If additional information is required, please call me at 296 -4240.
M
cerely,
Enclosures
1 Lozano, Project Manager
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King County
Facilities Management Division
Department of
Construction and Facilities Management
King County Administration Building Room 320
Seattle, WA 98104
(206) 296-0648
(206) 296-0186 FAX
March 22, 1995
Mr. Jack Pace
Department of Community Development
City of Tukwila
6300 Southcenter Blvd. #100
Tukwila, Washington 98188
RE: Green River Trail -Phase I
Dear Mr. Pace:
Mit atie Lozano, Project Manager
I am the Project Manager of the referenced project currently under construction in the City of
Tukwila. On March 16, 1995, I received an approved revised Shoreline Permit (Application
No. 075- 87 -SH) from King County Department of Development and Environmental Services
(D.D.E.S.), Land Use Services Division. The permit revision is enclosed.
This permit revision is for the section of trail that was graded as part of the "Kaiser
Development ". This section of trail is located between the Pacific Highway South and E.
Marginal Way S. bridges on the south side of the Duwamish River.
I have also enclosed the plans for the proposed new trail which were approved by D.D.E.S.
If you need additional background information related to this section of trail, Don Williams
the Director of Parks may be able to help. I have had numerous discussions with Don related
to this section of trail.
Please contact me with any City of Tukwila permits which may be required for this work.
Because we are in construction, it will be very helpful for me to receive this information as
soon as possible so that I may direct my contractor, through Change Order, to do this work.
Please contact me at 296 -4240 if you require additional information.
Thank you.
S}ncerely,
REO rJ e.0
Wit 2. 31995
DEVELOPMENT
King County
Department of Development and Environmental Services
Land Use Services Division
3600 136th Place Southeast
Bellevue, Washington 98006 -1400
SHORELINE MANAG
DEC
ON SHORELINE MANAGEMENT SHORELINE SUBSTANTIAL DEVELOPEMNT
DATE: March 14, 1995
APPLICATION NO: 075 -87 -SH
APPLICANT NAME: Michael Lozano for King
The following decision(s) is (are) hereby rendere
Substantial Development Permit No. 075 -87 -SH
to undertake the following development: Revisio
River trail to an asphalt paved surface along rive
February 15, 1995. The original SDP consisted
nine office /warehouse buildings with employee p
buildings, perimeter /internal landscaping with rip
protection and trail easement with bank stabilizati
on the following described property: Within the
south side of the Duwamish River bounded on th
East Marginal Way, and on the south by State Hi
STR: 9 -23 -5 and 10 -23 -4
Waterbody: Duwamish River
Shoreline Designation: Urban
Shoreline Statewide Significance: Yes
Conditions of approval as stated in Permit Attach
shall conform to the approved plans and modifyi
Development and Environmental Services.
SIGNATURE
Mark D.
Site Plan
SPRS -D /075- 87SH.pmt 3/8/95
eview Section
*41,4 413/
• W s h o reline A. nistraty
County Facilities Management, Parks
MAR 16 1995
KING CO.
FACILITIES MANAGEMENT
MENT ACT OF 1971
ION
RMIT REVISION APPLICA.7. - Y ONi(S)
DATE RECEIVED: December 12, 1987
in regard to the above - referenced application(s):
APPROVED May 18, 1988
REVISION APPROVED march 14; 1995
-- Upgrade existing gravel King County Green
, per plans and information received
f the construction by "Kaiser Development" of
rking and truck loading areas upland of the
rian vegetation along river, and a river
n and storm outfalls at/below the OHWM.
.stablished Green River trail easement, along the
west by Pacific Highway South, on the east by
hway 599.
ent I. Development authorized by this permit
conditions on file with the Department of
DATE 3 /4
' ' .
KING COUNTY
SHORELINE MANAGEMENT
DEVELOPMENT CONTROLS
PERMIT ATTACHMENT I
REVISION FILE NO: 075 -87 -SH
1. Trail development shall be in accordance with the approved plans received February 15,
1995.
2. Care shall be taken during construction to prevent debris from entering the stream.
3. All construction debris shall be disposed of outside of Shorelines jurisdiction.
4. Stringent erosion and sedimentation control measures shall be employed to prevent
sediment -laden water from entering adjacent sensitive areas.
5. Existing vegetation shall not be disturbed or removed along the trail route.
6. All conditions of the original Shoreline permit, approved by the Hearing Examiner on May
18, 1988, shall remain in full force and effect.
7. The revised permit is effective immediately upon final action by King County. However,
pursuant to WAC 173 -14- 064(7), appeals may be filed with the DOE within 30 days of the
date of receipt of King County's decision. Appeals shall be based only upon contentions of
noncompliance with the provisions of WAC 173 -14- 064(2) as to whether the requested
revision is within the intent and scope of the original permit.
NOTE: This decision may be appealed to the State Shoreline Hearings Board. Information on
appeal procedures may be obtained from the State Department of Ecology (DOE) at 459 -6327.
Requests for review by the Hearings Board must be received by the State Department of Ecology
and State Office of the Attorney General within thirty (30) days of the "date of filing." The "date
of filing" is the date the local decision on the permit is received by the Department of Ecology.
SPRS- D /07S- 87SH.pmt 3/8/95
'.: °,...
CHRISTINE 0. GREGOIRE
Dire(
November 18, 1992
Mr. Steve Massey
King County Parks Division
8040 84th SE
Mercer Island, WA 98040
Dear Mr. Massey:
Re:
The subject Shoreline Management Substantial Development permit h -s been
filed with this office by the City of Tukwila on October 9, 1992.
The appeal period ended on November 9, 1992, and no appeals were :fled.
Other federal, state, and local laws regulating such construction shall
be complied with. This letter constitutes final notification of -ction
on this permit.
Sincerely,
PT:pz
sdp.mg
STATE OF WASHINGTON
DEPARTMENT OF ECOLOGY
Mail Stop PV -11 • Olympia, Washington 98504 -8711 • (206) 459 -6000
City of Tukwila Permit #L92 -0003
King County Parks Division - Applicant
Shoreline Substantial Development Permit #1992 -14108
Patricia Trerice
Permit Coordinator
Shorelands and Coastal Zone
Management Program
cc: Rick Beeler, City of Tukwila
REC IVED
NOV 2 c 1992
COMM JNITY
DEVELO'MENT
October 9, 1992
Dear Marc:
Sincerely,
Denni Shefrin
Associate Planner
City of Tukwila
Marc Dallas
METRO
Exchange Building, MS 122
821 Second Avenue
Seattle, WA 98104
Re: Green River Bridge, L92 -0003
cc: File No. L92 -0003
:
Department of Community Development Rick Beeler, Director
John W. Rants, Mayor
Based on comments received from Don Williams of the City Parks and
Recreation Department, I am requesting a revised landscape plan
associated with the above project (refer to Sheet L203, Forcemain
Restoration). Although comments were received after the SEPA
determination was made, staff feels that minor modifications to the
proposed landscape plan would further ensure longevity and safety
of the trail.
It is therefore recommended that Alder or Cedar trees be planted in
lieu of the proposed Cottonwoods. It is further recommended that
roots and tree branches be outside of the 16 -foot trail width.
The revised plan should be received by October 30. Feel free to
contact me at 431 -3663 if you have any questions.
6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • (206) 4313670 • Fax (206) 431-3665
S' : rel ine Management Act of,� r1
PERMIT FOR SHORELINE MANAGEMENT SUBSTANTAL DEVELOPMENT
File Number: L92 -0003
Status: APPROVED
Applied: 01/16/1992
Approved: 10/02/1992
Expiration: 10/02/1994
Pursuant to RCW 90.58, a permit is hereby granted .to:
to undertake the following development:
GREEN RIVER TRAIL PHASE I, WOULD BE A 12 -FOOT
WIDE MULTI - PURPOSE TRAIL: THE SOUTHERN LENGTH
WOULD EXTEND FROM THE SOUTHERN BOUNDARY OF FORT
DENT PARK TO ABOUT 200 FEET EAST OF THE INTERSEC-
TION OF MAULE AVENUE SOUTH AND SOUTH 141ST PLACE.
THE NORTHERN LENGTH WOULD EXTEND NORTH FROM JUST
SOUTH OF THE 42ND AVENUE SOUTH CROSSING OF THE
DUWAMISH RIVER TO THE SEATTLE CITY LIGHT SUBSTA-
TION ON WEST MARGINAL PLACE SOUTH, INCLUDING A
PEDESTRIAN BRIDGE CROSSING THE. DUWAMISH AT SOUTH
112TH STREET.
upon the .following property:
Address .. f'LAe rpgO
Parcel No:
Sec /Twn /Rnge: 23,24,14,10,9,4 /23/4
THE PROPOSED PROJECT WILL BE WITHIN THE AREA OF THE GREEN RIVER
AND ITS ASSOCIATED WETLANDS, WHICH IS A SHORELINE OF STATEWIDE
SIGNIFICANCE AND IS DESIGNATED AS AN URBAN ENVIRONMENT.
The following master program provisions are applicable to this development:
KING COUNTY SHORELINE PROGRAM
AND TUKWILA SHORELINE PROGRAM
Development . pursuant to this permit shall be undertaken pursuant to the
following terms and conditions:
This permit is granted pursuant to the Shoreline Management Act of 1971 an
nothing in this permit shall excuse the applicant from compliance with any
other Federal, State or local statutes, ordinances or regulations
applicable to this project, but not. inconsistent with the Shoreline
Management Act(Chapter 90.58 RCW).
This permit niay be rescinded pursuant to RCW.90.58.140(8) in the event the
permittee fails to comply with the terns or conditions hereof.
CONSTRUCTION PURSUANT TO THIS PERMIT WILL NOT BEGIN OR IS NOT AUTHORIZED
UNTIL THIRTY (30) DAYS FROM THE DATE OF FILING WITH THE DEPARTMENT OF
ECOLOGY AS DEFINED IN RCW 90.58.140(6) AND WAC 173 -14 -090, OR UNTIL ALL
REVIEW PROCEEDINGS INITIATED WITHIN THIRTY DAYS FROM THE DATE OF SUCH
FILING HAVE TERMINATED; EXCEPT AS PROVIDED IN RCW 90.58.140(5)(a)(b)(c).
Date:
9, I��Iry
Director, P1 a ng Department
Construction or substantial progress toward construction must begin within
two years from date of issuance, per WAC 173 -14 -060.
fl Board of
Packet
I, Sylvia A. Osby
O Board of
Packet
-
A F F I D A V I T
fl Notice of Public Hearing
❑ Notice of Public Meeting
Adjustment Agenda
Appeals Agenda
Planning Commission Agenda
Packet
Short Subdivision Agenda
Packet
fl Notice of Application for
Shoreline Management Permit
X Shoreline Management Permit
Name of Project GREEN RIVER TRAIL
File Number L92 -0003
O F D I S T R I B U T I O N
hereby declare that:
LI Determination of Non -
significance
❑ Mitigated Determination of
Nonsignificance
O Determination of Significance
and Scoping Notice
fl Notice of Action
Official Notice
1] Other
Other
was mailed to each of the following addresses on October 6. 1992 .
� M,�.a ZA44. ��- sue
/Ka:4a d\cilit-c-a-A ( K. C.,. 4)1,0 Do-:)
photo
4mETRd
Dear Ms. Shefrin;
MD: f
cc S. Teel
P. Miller
encls.
g:mdsftbdg
Municipality of Metropolitan Seattle
Exchange Building • 821 Second Ave. • Seattle, WA 98104 -1598 • (206) 684 -2100
September 21, 1992
Ms. Denni Shefrin
City of Tukwila
Department of Community
Development
6300 Southcenter Blvd.
Tukwila, Washington 98188
Interurban Project /Bridge Crossing of the Green River
As you and I have discussed, the information contained in
this packet is Metro's specific bridge design and is
submitted as a supplement to the original King County
Shoreline permits L 92 -0003 and L 92 -0004. A copy of the
January 1992 King County Shoreline permit application is
enclosed for your reference.
Additionally, I have provided modified Green River Trail
Phase I cover sheets which identify, by segments E, F and G,
those areas touched by the bridge project. Various civil,
landscape and structural plan pages are also included.
These pages should provide excellent material for your
review process. A special set of landscape plan pages, with
cover letter, is provided to identify trees by common name,
species, and illustrates the project's probable impact on
those trees.
If you have any questions, please call me at 684 -1332.
Sincerely,
� � �
/A444! :7 4.►
Marc R. lla , SR /WA
Right of Way nt
RECEIVED
SEP 2 21992
COMMUNITY
DEVELOPMENT
SEA -TAC
SEATTLE TACOMA
INTERNATIONAL
AIRPORT
TUKWILA
Southcenter
S BOEING
River
Northern
Portion
••. :; Portion
4; SEATTLE
Black . River
0 1/2 1 Mi.
SHAPIRO &
ASSQEIArES
Green River Trail, Phase I
FIGURE 1
SITE VICINITY MAP
GREEN RIVER TRAIL, PHASE I
VacLeod Rec
Landscape Architects
2313i■n mgt t u Lat
J:i11 NI C1ul Y)i''L'i Y3102
�r(F 323 7_3rl
FAx 323912
September 18, 1992
RE: GREEN RIVER TRAIL PHASE 1
Dear Ms. Shefrin:
•
Denni Shefrin
City of Tukwila
Department of Community Development
6300 Southcenter Blvd. Suite 100
Tukwila, WA 98188
cord
RECEIVED
SEP 2 21992 ■
COMMUNITY
DEVELOPMENT
In regards to the comments in your August 31 letter to Trudy Suchan of
Shapiro & Associates an item by item response is given here to address
your concerns.
Item #1
Trudy has informed us that updated information regarding the effluent
transfer line has been documented. Please call Trudy if you have any
further questions concerning this particular issue.
Item #2, Sheet L -4
Firstly, there were many issues taken into consideration when aligning
the trail, one of which was to save as much of the existing vegetation as
possible. The river bank, particularly along Fort Dent Park, is steep
and may be unstable. An important consideration was also to align the
trail as far from the top of bank as possible. It was the county's final
decision to sacrifice these four trees in order to align the trail as we
have. Also, nineteen (19) trees are being proposed in this area to
mitigate their removal. Secondly, trees of this caliper are costly to
transplant and do not have 100% survival rate. Thirdly, according to our
contract documents the Contractor may not remove any tree or construct
any part of the trail until the architect has approved staking and
tagging of project elements. Due to the age of the survey and common
discrepancies found from survey to reality, it is likely that during in-
field adjustment the trail alignment can shift, whenever possible, to
avoid conflict with significant vegetation. This is true for all
segments of this trail project.
Item #3, Sheet L -5
Concerning the 48" cottonwood: If we were to shift the trail north there
are (two) 36" cottonwoods that would have to be removed. We have
realigned this segment of the trail numerous times, each time reducing
the number of trees that would have to be removed. There is a very
narrow swath in this area in which the trail can be aligned with minimum
September 8, 1992
Marc Dallas - METRO
Exchange Building, M/S 122
821 Second Avenue
Seattle, WA 98104
Dear Marc:
Sincerely,
Lee & Associa
a ndall F. Robinson
Landscape Architect
c: HDR
encl: 3
Re: Alki CSO - Duwamish River Crossings
LEE &
ASSOCIATES
/ U c ®PO
merrill place • suite 310 north
411 First ave. so., seattle, wa 98104
(206) 583 -0620
Upon the request of Tukwila Planning Department, we have prepared a brief assessment of
impacts to trees in the riparian zone of the Green /Duwamish River resulting from the routing
of the Tukwila Trunk and Interurban Forcemain.
42nd Ave. Bridge - Trees at this site are located on the downhill side of the slope. Construction
in this area will probably not kill the trees but may damage structural support roots on the uphill
side. Impacts are possible to approximately 4 -5 Big Leaf Maple (Acer macrophyllum) and 1
fruiting Cherry (Prunus species). Construction impacts from the King County Green River Trail
project will' be greater than the impacts of the METRO work in this area. Restoration will be
minimal.
Green River Bridge Crossing (west side) - Several large, medium and small trees exist at this
site but most are not in the direct path of the forcemain. On the west bank of the River, one
large fruiting Cherry (Prunus species - probably a remnant of a residential orchard) will have
to be removed. Impacts are possible to at least 2 large Black Cottonwoods (Populus trichocarpa)
and several small to medium sized Willows (Salix lasiandra and Salix scouleriana). Restoration
in this area will include a variety of new trees, shrubs and groundcover including: Big Leaf
Maple, Vine Maple, Red Alder, Willow, Black Cottonwood, Redtwig Dogwood, Spiraea, Salal
and other native species. Further from the bank on the west side are approximately 9 small to
medium Black Cottonwoods and 2 medium sized English Holly (Ilex aquifolium) that will be
removed.
Green River Bridge Crossing (east side) - A small thicket of Willows will be impacted and
several Willows will be removed. Restoration in this area will include a variety of new trees,
shrubs and groundcover similar to the west side of the River.
RECEIVED
SEP 2 21992
DEVELOPMENT
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RECEIVED
SEP 2 21992
Y1 METRO MLLY
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& EROSON CONTROL
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COMMUNITY
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SEP 0 9 1992
COMMUNITY
DEV OPMENT
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NIC 1701M1177.7
FOR PERMIT ONLY
Municipality or Metropolitan Seattle
AUG TRONSFUI/CSO PROJECT
SOUTHERN ITINGFER/INTERURBAN PROJECT
SHOREUNE PERMIT APPUCAllON
EXHIBIT #2
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MEMORANDUM
TO: Denni Shefrin, Associate Planner - DCD
FROM: Gary Schulz, Urban Environmentalist - DCD
DATE: August 31, 1992
SUBJECT: Green River Trail Review - Tree Preservation
2
3
My initial comments on this project are limited to the proposed
trail location as it relates to the proposed tree removal. The
reviewed map locations and comments for specific trees are listed
below.
1) Within the Ft. Dent area (Sheet L4) there will be some tree
re- location. It appears that 4 of the 5 trees proposed for
removal could be relocated a short distance to the west.
Sheet L5 - Segment I shows the removal of a 48" black
cottonwood. There appears to be adequate room to slightly
move the trail to the east and save the tree.
Sheet L10 - Segment R and S will need to have trees removed.
However, because of the number of trees within the ROW, it is
unclear as to which ones will need to be removed. It also
appears that the trail design could shift slightly to the
south and save some significant cedar and cherry trees. I
suggest this area have a more detailed review for potentially
adjusting the trail away from the tree clumps. This could
occur during the construction phase but the "save" trees need
to be flagged or marked in some way once the design is
decided.
August 31, 1992
Dear Ms. Suchan:
City of Tukwila
Department of Community Development Rick Beeler, Director
Trudy Suchan
Shapiro and Associates, Inc.
Washington Mutual Tower, Suite 1700
1201 Third Avenue
Seattle, WA 98101
RE: Green River Trail
John W. Rants, Mayor
As a follow -up to our phone conversation today, the Planning
Division has completed its review of the proposed trail project and
has the following comments:
1. The size of the treat effluent line to run beneath the
proposed Fort Dent Bridge must be 16- inches. The plans
currently reflect a 12 -inch line.
2. Sheet L4, Segment D. There are five trees proposed for
removal. Four of the five healthier trees should be saved and
relocated rather than removed. New locations could be next to
the benches to provide shade.
3. Sheet L5, Segment I. The trail would result in the removal of
a 48 -inch Black Cottonwood (on the west portion). An effort
should be made to preserve this tree. Is there a reason why
the trail could not be shifted to the north?
4. Sheet L10, Segments R. It appears several trees would be
impacted by the trail, however, it is unclear which trees
would be removed. Many of the trees are significant (the
Cherry and Ceder in particular) in size and every effort
should be made to avoid impacts. Can the trail be shifted
slightly south in order to preserve the Ceder and Cherry
trees? Also, preserved trees should be tagged during
construction.
The City of Tukwila is in the process of developing a Tree
Preservation Ordinance for the purpose of preserving trees deemed
significant. The proposed ordinance further establishes priorities
and goals for tree protection and provides standards for protection
and replanting where removal is unavoidable.
The trail will provide the much needed shoreline access for local
and regional enjoyment. Every effort should therefore, be made to
6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • (206) 431-3670 • Fax (206) 431 -3665
preserve and enhance this amenity to the greatest extent possible.
I would like to complete the draft Shoreline Management Permit and
SEPA Determination (DNS) by September 11th. Your response to items
1 -4 above should be provided to me by September 8th.
Feel free to contact me at 431 -3663 if you have further questions.
Sincerely,
a\
Denni Shefri
Associate Planner
cc:
L92 -0003
L92 -0004
Steve Massey
Don Williams
Gary Schulz
July 21, 1992
Ms. Denni Shefrin
City of Tukwila
Dept. of Community Development
6300 Southcenter Boulevard
Tukwila, WA 98188
Re: Green River Trail, Phase I, Environmental Checklist
Dear Ms. Shefrin:
SHAPIRO&
ASSIZIATES%
Washington Mutual Tower
Suite 1700
1201 Third Avenue
Seattle
Washington 98101
Tel: 206/624 • 9190
Fax: 206/624 • 1901
Enclosed is the requested Addendum to the SEPA Environmental Checklist for the Green River
Trail, Phase I, originally submitted on January 15, 1992. Attached to it are the current Project
Description and project maps. An update to the geotchnical report is enclosed as well.
The shipping tube contains revised plan cover sheets with key to drawings. Segments S, T, U, V,
X, and Y of the original plans are no longer part of King County's Phase I project. Please let me
know how many, if any, copies of the design - development level plans you require.
The information in the checklist addendum applies as well to the shoreline substantial development ..
permit, submitted with the checklist on January 15, 1992.
We hope this information is a useful addition to the environmental checklist you are currently
reviewing. I will be out of the office the remainder of this week, but please call Monday if you
require further information or if you have any questions.
Sincerely,
SHAPIRO AND ASSOCIATES, INC.
‘1,4d/LoA/L_____
Trudy Suchan
Project Manager
c: Mare Kern, MacLeod Reckord
Steve Massey, King County Parks
RECEIVED
JUL 2 21992
COMMUNITY
DEVELOPMENT
RECEIVED
CHECKLIST ADDENDUM TO THE GREEN RIVER TRAIL, PHA. 12 2 1992
SEPA ENVIRONMENTAL CHECKLIST
SUBMITTED JANUARY 15, 1992 COMMUNITY
DEVELOPMENT
At the request of the City of Tukwila, SEPA lead agency, King County Parks Division is
providing this addendum pertaining to Phase I of the Green River Trail. Portions of the trail, as
described in the January 15, 1992 checklist, are no longer included in the proposed project.
Design and schedule changes have occurred that affect the remaining portions of trail to be
constructed by King County. Such changes have reduced the length of the proposed trail from 3.4
miles to about 2.5 miles. An updated Project Description and Figures 1, 2a, 2b, and 2c are
attached.
Fort Dent Park Bridge
The bridge proposed to cross the Green River upstream from the confluence of the Black River
would be constructed by the Municipality of Metropolitan Seattle (Metro) rather than King County.
The bridge would be designed to support two 24 -inch sewer force mains and one 12- inch - diameter
treated effluent line as well as provide the multipurpose trail crossing. Aspects of the bridge design
that differ from that described in the checklist include deeper bridge trusses resulting in a bridge
height about 19 feet above the base of the bridge, and larger diameter pilings or a greater number of
pilings as required to support the additional use of the bridge.
Development of the Metro bridge design is in progress. Further questions may be directed to Tim
Goon, Environmental Planner, at 684 -1174.
South 112th Street Interim Route
At the request of the City of Tukwila, the Phase I trail route has been modified to avoid crossing
the Pacific Highway South bridge. An interim route, described in the attached Project Description,
would be developed by the City of Tukwila. As a result, the proposed tunnel on the east side of
the bridge is deleted from the project and the small wetland (less than 50 square feet) located west
of the bridge would not be filled. Impacts associated with the proposed tunnel and sidewalk
extension on the west side of the Pacific Highway South bridge would no longer occur. Since no
other wetlands would be affected by this project, all descriptions of wetland impacts in the
checklist can be disregarded.
The proposed interim route would replace the length of trail originally designed to follow the south
bank of the Duwamish River between East Marginal Way South and the Pacific Highway South
bridge, then crossed the bridge, and followed the river north and east to the proposed South 112th
Street bridge. The interim route would add one street crossing to the trail at Pacific Highway
South and South 112th Street. The interim route would be identified by bicycle trail markings on
the pavement and signs along the roads.
Top - of - Bank Extensions
The boardwalk supported by piers proposed for the top -of -bank extension near the Turning Basin
has been redesigned to use geogrid reinforced walls supporting asphalt - surfaced trail. The change
was made for reasons of economy and reduced environmental impact. Construction of the geogrid
reinforced walls would affect a smaller area than the boardwalk and piers, require less excavation,
and would not cause any disturbance below the 100 -year flood level. See the attached Project
Description for further information.
1 July 21, 1992
. ...,,......
Trees Removed and /or Replanted
The number of existing trees to be removed and/or replanted has been reduced from about 40 to
less than 25. In the area east of South 141st Place, three of the 17 large black cottonwoods on the
east bank of the Duwamish River would be removed. South of the East Marginal Way South
bridge, on the southern bank of the Duwamish River, a cluster of medium -sized cedar and locust
trees would be thinned by 10 to 15 trees, with some trees at the perimeter of the cluster retained. If
thinning did not occur, survival of some of the trees selected for removal would, over the long
term, be doubtful because of the density of the cluster. Also because of the density of the cluster,
success in relocating trees would be uncertain, so it is not proposed. One or two large trees would
be relocated within Fort Dent Park. At the request of Fort Dent Park's maintenance staff, a few
medium -sized trees would be removed from the park along the maintenance road near the proposed
Fort Dent bridge crossing. The number of new trees to be planted along the trail would be 139.
Construction Schedule
The revised project construction start date is January 4, 1993, with project completion by
December 31, 1993. Construction of the proposed South 112th Street Bridge, Turning Basin
walls, and drainage outfalls would be scheduled between May 15 and September 15, as
recommended by the Washington State Department of Fisheries. Metro's construction of the
proposed Fort Dent bridge would occur in 1993, but would be scheduled so as to avoid impacts on
water quality and fish.
2 July 21, 1992
GREEN RIVER TRAIL, PHASE I
PROJECT DESCRIPTION
The Green River Trail is a proposed multipurpose trail that would run 25 miles through
unincorporated King County and the cities of Auburn, Kent, and Tukwila. As described in the
Green River Trail Master Plan (Jones & Jones, 1988), the trail would begin in Auburn
Narrows Park at State Route 18 and continue north to the Duwamish River Turning Basin, just
south of the Seattle city limits. The proposed trail alignment follows the banks of the Green
and Duwamish Rivers as much as possible.
Phase I, which would be developed by King County Parks Division, would be composed of
two lengths of trail (Figure 1). The southern length would be roughly 0.9 miles long,
extending from the southern boundary of Fort Dent Park to a point approximately 200 feet east
of the intersection of Maule Avenue South and South 141st Place (Figure 2a). At this point,
the southern length would connect with an existing asphalt trail that continues north along the
Duwamish River. The northern length would be about 2.5 miles long, and would extend north
from a point just south of the 42nd Avenue South crossing of the Duwamish River to the
Seattle City Light substation on West Marginal Place South (Figures 2b and 2c). The northern
and southern lengths of Phase I would be connected by a portion of the Green River Trail that
is located entirely within Tukwila city limits. The City will be responsible for this portion of
the trail, which is not included in the Phase I proposal.
PROJECT DESIGN
Phase I would be a combination of a multipurpose trail separated from roads and an interim
bypass route following existing roads. The trail portion, designed for nonmotorized uses such
as bicycling, walking, and jogging, would be a 12 -foot -wide asphalt path with a two -foot
gravel shoulder on each side. The bypass portion would use existing roads: signs would be
placed along the roadway indicating its shared use with bicycles.
The route for the bypass portion of Phase I, approximately 0.4 miles long, has not been
established at this time. For this reason, the bypass will be developed at a later time than the
proposed multipurpose trail, under a separate contract. The bypass likely will follow East
Marginal Way South between its crossing of the Duwamish River and its intersection with
South 112th Street in the City of Tukwila. The bypass then would follow South 112th Street
to its current terminus on the east bank of the river. At this point, the bypass would connect
with the multipurpose trail portion of Phase I with a proposed new bridge over the river. The
bridge, which would cross the city limits of Tukwila into unincorporated King County, would
be designed for use by nonmotorized vehicles. Design would allow, however, for occasional
use by maintenance vehicles, such as motorized sweepers.
Phase I also proposes two underpasses in Tukwila, one at the west side of the 42nd Avenue
South crossing of the Duwamish River and one on the south side of the East Marginal Way
South river crossing. The underpasses also would be designed for use by nonmotorized
vehicles.
GREEN RIVER TRAIL, PHASE I
1 JULY 1992
Trail Features
$ rid ges
The proposed bridges would be steel truss superstructures on reinforced concrete foundations.
Design for the bridge across the Green River, above the confluence of the Black River, is still
under consideration. At this time, it is anticipated that the bridge would be a simply - supported
superstructure with a 130 -foot main span and two 30 -foot approach spans. The bridge would
be designed and constructed by the Municipality of Metropolitan Seattle (Metro) to carry two
24 -inch sewage force mains and one 12- inch - diameter treated effluent line below the trail
surface.
The proposed South 112th Street bridge would be a steel truss superstructure on reinforced
concrete foundations. The proposed design is a simply - supported superstructure with one 170 -
foot and one 55 -foot span. Each span would be nine feet deep with ten feet clearance between
handrails. The spans would be supported by a pier consisting of twin 24 -inch diameter
columns founded on rock with a two -foot -deep capping beam. Bridge abutments, which
would be located outside the FEMA floodway, would consist of 18- inch - diameter piles
founded on rock and capped with a bank seat stem wall to carry the superstructure.
Underpasses
The underpass at the 42nd Avenue South bridge would be partially cut into the riverbank and
partially placed on compacted fill material. Fill material would be placed on the riverbank as
foundation for the east approach to the underpass. Riprap would be placed along the
waterward edge of the trail pavement for about 55 feet on the eastern approach. The riprap
would extend down to the toe of the proposed fill material. Cut faces in the riverbank would
be braced by a cast -in -place reinforced concrete wall located landward of the trail. This wall
would extend 215 feet through the interior of the underpass and beyond the width of the
overlying roadway. The surface of the trail through the underpass would be cement concrete.
Interior vertical clearance would be a minimum of nine feet.
The underpass at the East Marginal Way South bridge would be partially cut into the riverbank
and partially placed on compacted fill material. Fill placed to support the approaches to the
underpass would be held in place by geogrid reinforced walls located waterward of the trail.
These walls would extend 60 feet along the east approach and 36 feet along the west approach
to the underpass. Riprap would be placed along their length down the slope to the limit of
disturbance. Fill placed to support the trail within the underpass would also be held in place by
a geogrid reinforced wall located waterward of the trail. This wall would rest on the existing
bridge substructure and would extend 60 feet through the interior of the underpass. Riprap
also would be placed at the base of this wall. Cut areas of the riverbank would be sloped back
at a 2:1 maximum slope, precluding the need for any walls landward of the trail. The surface
of the trail through the underpass would be cement concrete. Interior vertical clearance would
be a minimum of nine feet.
Walls at Turning Basin
At the Duwamish River Turning Basin (Figure 2c), geogrid reinforced walls with handrails
would be constructed along portions of the existing West Marginal Place South roadway
embankment. The walls, which would have a maximum height of 6.5 feet, would be
backfilled to create a bench for the asphalt - surfaced trail. The base of the walls, which would
be a minimum of one foot above the FEMA floodway, would be riprapped where the existing
bank was disturbed by construction.
GREEN RIVER TRAIL, PHASE I 2 JULY 1992
Table 1: VOLUME AND LINEAL EXTENT OF PROPOSED ROCK BANK
REINFORCEMENT
Location
South 112th Street Bridge
- west riverbank riprap 280 60
- east riverbank riprap 360 60
Underpasses
- 42nd Avenue South riprap 60 55
- Fast Marginal Way South riprap 25 150
Turning Basin Walls
- riprap 45 560
Stormwater Outfalls
- quarry spall drainage aprons
TOTAL
Source: MacLeod Reckord, 1992.
Rock Bank Reinforcement
Volume Lineal Extent
(cubic yards) (feet)
45 54
815 939
Approximately 1,075 cubic yards of rock reinforcement would be placed along 969 lineal feet
of the banks of the Duwamish and Green Rivers as a result of trail construction. The rock
includes riprap and quarry spalls. In addition, two or three large boulders would be placed at
the toe of each riprapped riverbank at the proposed South 112th Street bridge, along with
vegetative debris such as anchored tree stumps, to provide fish habitat. Table 1 summarizes
the volume and linear extent of rock reinforcement for each proposed improvement.
Interpretive Stations and Public Art Installations
Three interpretive stations and four public art installations would be placed along the Phase I
alignment. The proposed interpretive stations would be based on the themes "Flora and
Fauna," "River Morphology," and "Native American History/Archaeology." Each station
would include an approach walk and viewing area paved with crushed -rock, an interpretive
sign made of porcelain enamel on an eight -inch concrete post, one or two benches, and
landscaping.
GREEN RIVER TRAIL, PHASE I
3 JULY 1992
Construction Schedule
Construction Activities
Four "1% for Art" installations would be sited along or near the alignment. The commissioned
pieces include Susan Point's six Cedar Spirit Planks, which may be placed along the trail
adjacent to the Boeing Customer Service building; Roger Fernandes' three Granite
Petroglyphs, two of which would be placed in the vicinity of the Spirit Planks and one of
which would be placed on the west approach to the proposed South 112th Street bridge ;
Caroline Orr and Jon Gierlich's four Benches with a Basket - Design Back, placed at the east
approach to the proposed South 112th Street bridge; and Jaune Quick -to -See Smith's Fishing
Wheel and Canoe Rack, which would be adjacent to the trail within Fort Dent Park.
PROJECT CONSTRUCTION
Construction of Phase I is scheduled to occur over a 12 -month period beginning in January
1993. Construction of the proposed bridge over the Duwamish River and other features of the
trail that would directly affect the streambank, including the proposed underpasses, would be
scheduled to take place entirely within a window of time that would result in the least impact on
fish in the stream. Guidance from the Washington Department of Fisheries indicates that this
window would be between May 15 and September 15.
General Activities
Construction activities would include clearing surface vegetation and grading soils. Although
the acquired right -of -way (ROW) varies between 16 and 125 feet along the trail alignment, at
no time would an area larger than 26 feet be cleared. In general, only the 16 -foot width
required for the trail would be graded; in some areas additional ditch grading would be
performed immediately adjacent to the 16 -foot corridor. Construction vehicles would travel
along the cleared area only, and would be stored either along the cleared portion of the
alignment or in a separate staging area.
Excavated and excess graded soils would be stored on site. Cut and fill would be balanced, if
possible, along typical paved portions of the trail. Where reinforced walls are proposed along
the Duwamish River Turning Basin, imported fill could be required. Stockpiled excavated
soils and imported fill material would be covered with appropriate erosion - control material, as
necessary, to prevent erosion and sedimentation. Imported materials, including gravel to be
used as the trail base, would be stored on site.
Typical paving along the alignment would be two-inch C1ass,B asphalt concrete on a four -inch
base of 5/8- inch -minus crushed rock. Wherever the trail is at an elevation below the 100 -year
flood level, an additional six -inch sub -base of 1.5- inch -minus crushed rock would be placed
below the four -inch base. Concrete paving would be 4- inch -thick cement concrete on a 6 -inch
base of 5/8- inch -minus crushed rock.
An expanded environmental checklist, prepared under the State Environmental Policy Act
(SEPA), provides further information on general construction activities, anticipated impacts,
and proposed mitigation measures.
GREEN RIVER TRAIL, PHASE I
4 JULY 1992
Bridge Construction Activities
The large span for the proposed bridge would be delivered by truck in three sections. These
sections would be bolted together at the site. Both spans would be lifted in place by one or
more cranes located on the shore. No construction equipment would be placed in the river.
Piles would be auger cast by a drill rig. The single pier for the bridge would be within Tukwila
jurisdiction. Because this pier is located well waterward of the eastern riverbank, some
falsework (such as a timber pile - supported boardwalk) may have to be constructed on the
eastern bank to allow a drill rig access to the location of the pier.
Surface Restoration
All cleared surfaces would be hydroseeded or otherwise treated as soon as possible following
construction. A planting plan would be implemented to restore areas adjacent to the trail that
were disturbed during construction and to provide long -term erosion control. Areas landward
of the streambanks would be seeded and permanent vegetation would be planted.
Bioengineering treatments, such as planting willow cuttings in riprap, would be applied to
portions of the streambank affected by proposed bridge abutments and the underpasses.
Where the trail is very near the streambank, vegetation would be planted to provide streambank
protection.
The trail has been designed to avoid, as much as possible, large individual, trees and stands of
trees. Tree replacement would be at a ratio of two -to -one, with replacement trees being of a
similar species and at least 2.5 -inch caliper in size.
The SEPA checklist prepared for this proposal provides further information about impacts on
existing vegetation and proposed surface restoration mitigation measures.
GREEN RIVER TRAIL, PHASE I
5 JULY 1992
River
Northern
Portion
co
SHAPIRO &_
ASSaIATES2
SEA-TAC
SEATTLE TACOMA
INTERNATIONAL
AIRPORT
Green River Trail, Phase I
0 1/2 1 Mi. • • •'••••• - -• - "Trail Bypass - by Others
FIGURE 1
SITE VICINITY MAP
GREEN RIVER TRAIL, PHASE I
Class 1 Stream
Green
• Steep Slopes
Steep Slopes
Foster
Golf
Links
- Vegetated
Corridor
Q
(Proposed Fort Dent
Pedestrian Bridge -
by Others)
AVE.
Fort Dent Park
Access Bridge
• Vegetated Corridor
- Steep Slopes
0 200 400 600 Ft.
SHAPI RO &
ASSI3EIATESu
LEGEND:
1111111
Green River Trail, Phase I
100 - Year Flood Plain
Sensitive Areas
FIGURE 2a
NATURAL FEATURES MAP
GREEN RIVER TRAIL, PIIASE I
•
•
.,► •
- Vegetated Corridor
- Steep Slope
KING COUNTY
- Steep Slope
• Erosion
- Vegetated Corridor
- Vegetated Corridor
- Steep Slope
- Vegetated Corridor
- Steep Slope
Proposed
Underpass
0 200 400 600 Fl.
SI- IAPIRO &
ASSQEIATES2
LEGEND:
Green River Trail, Phase I NATURAL FEATURES MAP
•••-•- Trail Bypass - by Others
Sensitive Areas
FIGURE 2b
GREEN RIVER TRAIL, PI IASE I
W MARGINAL
PL. S
- Class 1 River
• Steep Slope
Turning
Basin
}
0 200 400 000 Ft.
SHAPIRO &
- ASSQEIATE_S2
LEGEND:
Green River Trail, Phase I
Trail Bypass - by Others
Sonsitive Areas
KINO COUNTY
• FIGURE 2c
NATURAL FEATURES MAP
GREEN RIVER TRAIL, PHASE I
Naz
..�,,. ...:�....� .........
TO:
Sheldon Teel
Metro
FROM: Al Larson
DATE: June 2, 1992
SUBJECT: Green River Bridge Alternatives
J1K cs 71 C,;=
HDR Engineering, Inc, 11225 SE 6th St., Bellevue, WA 98004(206) 453 -1523
Memorandum
cra.D
At your request we have developed two preliminary concepts for the Green River Bridge.
Donn Hogan has prepared some sketches for evaluation of either an arch bridge or a
truss bridge. Either of these structures would be constructed of Cor -Ten steel.
Budget cost estimates have been prepared for your use. We have utilized information
provided by King County Parks and from our preliminary design. As you can see there
is little difference in the capital costs of either structure.
We trust that this will serve your needs and you will be able to evaluate the bridge
alternatives. Please call if you require any additional information.
INTERURBAN /SOUTHERN TRANSFER PIPELINE
Date: 6/1/92
1
2
3
4
5
6
7
8
D
E
F
1
2
3
4
5
6
7
8
Green River Bridge
Arch Bridge Alternative
Site Preparation
Cor -ten Structural Steel
Decking
Hand Rail
Concrete
Piling
Channel Work
Wall and Approach Paths
TWA
1
92,500
1
1
100
600
1
1
Green River Bridge
Truss Bridge Alternative
Site Preparation
Cor -ten Structural Steel
Decking
Hand Rail
Concrete
Piling
Channel Work
Wall and Approach Paths
1
120,000
1
1
100
600
1
1
is
Ibs
Is
is
cy
If
Is
Is
Ibs
Is
is
cy
If
Is
Is
52,500.00
51.55
57,700.00
514,000.00
5350.00
517.00
516,000.00
5105,000.00
Subtotal
5333,775
Contractor Mobilization
4%
513,351
Subtotal 5347,126
Contractor OH & P
25%
$86,782
Estimated Costs $433.908
SALES TAX OF (C)
8.2%
536,000
SUBTOTAL
5470,000
PERMITS, EASEMENTS, RIGHT -OF -WAYS
046
50
SUBTOTAL
5470,000
CONTINGENCY OF (E)
20 %
594,000
SUBTOTAL
5564,000
ALLIED COSTS OF (F)
20 %
5113,000
$2,500.00
$1.15
57,700.00
514,000.00
5350.00
517.00
516,000.00
5105,000.00
52,500
5143,375
57,700
514,000
535,000
5 10,200
516,000
5105,000
52,500
5138,000
57,700
514,000
535,000
S10,200
516,000
5105,000
NOMMESS 40W
Subtotal
5328,400
Contractor Mobilization
4%
513,136
Subtotal 5341,536
Contractor OH & P
25%
585,384
Estimated Costs 5426,920
TED
>lC
SALES TAX OF (C)
D SUBTOTAL
PERMITS, EASEMENTS, RIGHT -OF -WAYS
E SUBTOTAL
CONTINGENCY OF (E) @
F SUBTOTAL
ALLIED COSTS OF (F)
itrrr AMR:
8.2%
0%
20 %
20%
535,000
S460,000
50
5460,000
592,000
5552,000
5110,000
f:\ww\larson\inter\arch_bg.xlw
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Remarks:
Signed:
c: Originator
File
:^
Date: March 25, 1992
To: Denni Shefrin
City of Tukwila
Department of Community Development
6300 Southcenter Boulevard
Tukwila, Washington 98188
From: Patricia Lichiello
Re: Green River Trail, Phase I
Please call if you have any questions.
SHAPIRO &
` I r ASSOCIATES, INC.
The Smith Tower
Suite 1400
506 Second Avenue
Seattle, WA 98104
f',1AR 2 1992
CITY OF '1
PLANNING DEFT.
We are sending you:
One copy of excerpts from the Green River Trail Master Plan (January 1988).
For your:
(x) Information ( ) Review ( ) Signature
( ) Approval ( ) File ( ) Use
Tel: (206) 624 -9190
FAX: (206) 624 -1901
Denni: These are pages I excerpted for the shorlines planner that will be reviewing our
Shoreline Substantial Development Permit application for the portion of the trail in King
County Shorelines jurisdiction. Hope the excerpts are helpful.
Notice is hereby given that King County Parks Division
who is the Owner
NOTICE OF APPCATION FO
SHORELc: ;c MANAGEMENT SUBSTANTIAL LI DEVELOi
ii PERMIT
L92 - 0003
(state full name)
(relationship to property, such as owner, purchaser, lessee, etc.)
of the below- described property has
filed an application for a substantial
development permit
for the development of The Green River Trail, Phase I: 3.4 miles of multi- purpose
trail to be developed by d ying iCou development, including uses)
Southern portion: Southern boundary of Ft. Dent Park to Mavle Ave. S./
S. 141 P1. to intersection.
located at Northern portion: 42 Ave. S. bridge to Duwamish River turning basin.
(street address)
within the of Section 23, 24, 14, 10, 9 & 4
(quarter section)
of Township 23
in Tukwila, King County, Washington.
Said development is proposed to be
within 200' of the Green River and /or
its associated wetlands. Any person
desiring to express his views or to
be notified of the action taken on
this application should notify
Planning Department, City of Tukwila,
6200 Southcenter Boulevard, Tukwila,
WA 98188, in writing of his interest
within thirty days of the final date
of publication of this notice which is
N., Range
4E
Darren Wilson, Assistant Planner
Written comments must be received by March 2, 1992
name, tit e o oca government o icia
February 2, 1992
(date)
(date)
Published in: Valley Daily News - January 30, 1992 & Febr.uary 2, 1992
(publication date(s))
Distribution: City Clerk, Mayor, Adjacent Property Owners,
Department of Ecology, Property Owner, File
(23 /P2.SHORNTC) LR 11/24/87
W.M.,
11 j 1 0../ Lcd11
f;1AR 2 7 1992
C.
Mr. Jack Pace, Senior Planner p f• NN -'('
City of Tukwila, Dept of Community Development
6300 Southcenter Boulevard
Tukwila, WA 98188
January 15, 1992
Re: Green River Trail, Phase I
SEPA Checklist and Shoreline Substantial Development Application
Dear Mr. Pace:
Shapiro and Associates, Inc., is providing permit coordination services for King County Parks
Division for the Green River Trail, Phase I. We are submitting for your review an expanded
SEPA environmental checklist and a completed Shoreline Substantial Development Permit
application (SSDP), including the SSDP checklist for the project. The following paragraphs
explain certain items addressed in the SSDP checklist.
Plans
At the request of the Development Review Committee, nine copies of the SEPA checklist and nine
sets of site plans are enclosed, rather than the seven copies indicated on the SSDP checklist.
Item B. The plans included with this application are drawn on the project survey sheets.
Item U. Because of the number of sheets in the plans, production of 8.5 x 11 PMTs is being
delayed until after you review the plans provided with the SSDP application. Your changes will be
incorporated into the plans submitted as PMTs.
ublic No tice
Three sets of property owner labels are enclosed in lieu of combined labels and assessor's maps.
Based on conversations with Darren Wilson, it is our understanding that owner -only labels in
multiple copies would suffice. According to Darren, extensive notification along the project route,
to be posted by the City of Tukwila, will serve to inform other interested parties.
Your prompt attention to the SEPA checklist would be appreciated, as other permits and approvals
require completion of the SEPA process. If you have any questions or need additional
information, please call me or Trudy Suchan at 6249190.
Sincerely,
SHAPIRO AND ASSOCIATES, INC.
7276.9t_ hciti.e� /O
Patricia Lichiello
Project Manager
c: Steve Massey, King County Parks Division
Mare Kern, MacLeod Reckord
SHAPIRO &
ASSC RTES
The Smith Tower
Suite 1400
506 Second Avenue
Seattle
Washington 98104
Tel: 206/624 • 9190
Fax: 206/624 • 1901
(.., - - SHORELINE SUBSTk, 'IAL DEVELOPMENT
APPLICATION CHECKLIST
CITY OF TUKWILA 6300 Southcenter Boulevard, Tukwila, WA 98188
DEPARTMENT OF COMMUNITY DEVELOPMENT Telephone: (206) 431 -3680
The following materials must be submitted with your application. This checklist is to
assist you in submitting a complete application. Please do not turn in your application
until all items which apply to your proposal are attached to your application. If you
have any questions, contact the Department of Community Development at 431 -3680.
TURN °TH IS' CHECKLIST: WITH .YOURA PPLICATION.
GENERAL
e
2 /C
PLANS nine ( 9)
C S verr(?) of the site /landscape plan, elevations, and shoreline profiles. The
scale shall not exceed 1".30 maximum, with the north arrow, graphic, scale and date
all identified on the plan. Each set of plans shall have the license stamps of the architect
and landscape architect.
e
a
El
Application Form
Shoreline Permit Fee — $550.00
Environmental Checklist
Environmental Checklist Fee — $225.00
Board of Architectural Review (BAR) Application
Board of Architectural Review (BAR) Application Fee — $900.00
- e r Pi -, j, lin p
FEa
v41 Wret7 L'$ e'
l triO Q f zz/ z
JAN 1 6 1992
CITY OF TUKW'iLA
PLANNING DEPT.
The following information should be contained within the set:
A. Vicinity map showing location of site and surrounding prominent landmarks.
B. Property survey showing property dimensions and names of adjacent rights -of-
way.
C. Existing top of bank (all uses and structures must be set back 30 feet from existing
top of bank), floodway limit (no fill may occur within the floodway), utility lines,
structures, rockeries, and other relevant man -made or natural features.
E D. Location, dimensions and nature of any proposed easements or dedications,
including Dike Maintenance and Trail easements.
E. Limits of the 40 -foot river and the 60 -foot low impact environments.
F. All existing trees over 6" in diameter by species and an indication of which will
be saved.
G. Proposed landscaping: size, species, location and distance apart.
H. Existing and finished grades a 2' contours with the precise slope of any area in
excess of 15 %.
CITY OF TUKWI
Lb _. JIOF1'ELINE SUBSTA-- TIAL DEVELIa E VED
" 16 ,��� 1 APPLICATION SEP 2 21992
CITY OF TU 1
DEPARTMENT OF COMMUNITY DEWELOPMEbR T
6300 Southcenter Boulevard, T
Telephon
4T
1 -3680
ference Files: 2.. & 9
81
STAFF: USE O
1. BRIEFLY DESCRIBE YOUR PROPOSAL: Green River Trail, Phase I: 3.4 miles of multi.
purpose trail to be developed by King County: see attached Exhibit A, Description of
Proposal.
2. PROJECT LOCATION: (Give street address or, if vacant, indicate lot(s), block, and sub-
division; or tax lot number, access street, and nearest intersection)
Southern Portion: Southern boundary of Ft. Dent Park to Mavle Ave. S. /S. 141st PZ. int,
Northern Portion: 42nd Ave. S. bridge to Duwamish River Turning Basin. See Exhibit A.
24,
Quarter: Section: 23.14,10.9,4 Township: 23N Range: 4E
(This information may be found on your tax statement)
3. APPLICANT:* Name: King County Parks Division ATTN: Steve Massey
Address: 8040 -84th S. E. , Mercer Island, WA 98040
Phone (206) 296 -4254
Signature: Date:
* The applicant is the person whom the staff will contact regarding the application, and
to whom all notices and reports shall be sent, unless otherwise stipulated by applicant.
AFFIDAVIT OF OWNERSHIP
4. PROPERTY Name:
OWNER
Address:
Phone:
zi I /WE,[signature(s)) _ . L
swear that I /we are the owner(s) or contra urchaser(s) of the property involved
in this application and that the foregoing statements and answers contained in this
application are true and correct to the
best of my /our knowledge and belief. Date: / h.5
..� �... ".':•. ..
SHORELINE SUBSTANTIALL !VEL APPUCATION Page 3
If the application involves a Conditional Use or Variance, set forth in full that portion of the Master
Program which provides that the proposed use may be a Conditional Use or, in the case of a
Variance, from which the variance is being sought (to be completed by local official):
12. Give a brief narrative description of the general nature of the improvements and land use within
one thousand (1,000) feet in all directions from the development site:
The r7e e7.npar7 pnrt. ?.nrG n f *he G ?fa PM,/ n4jnn0r4- rropQrti"s are mostly industrial,
although they also contain some single - family residential, commercial, office, and
recreational uses. Near Fort Dent Park, several office buildings are under develop-
ment on the west bank of the river. A Seattle City Light right -of -way corridor, along
which the trail would run, extends from the southern end of the northern portion
of the proposed trail (near the 42nd Avenue South bridae) northward to the East
Marginal Way South bridge. Farther north, on the west side of the Duwamish Turning
Basin, a marine scrapyard occupies the shore, extending into the water. Single -
family residential areas in the vicinity of the proposed trail are located: with
commercial and industrial uses on South 143rd and 144th Streets and South 143rd
Place; in the Allentown development between Interurban Avenue South and the Duwamish
River; and near the southern terminus of 27th Avenue South and the proposed South
112th Street bridge.
'`!:
-
EXHIBIT A
Green River Trial, Phase I: Project Description
The Green River Trail is a proposed major multipurpose trail that would run 25 miles through
unincorporated King County and the cities of Auburn, Kent, and Tukwila. The tail would begin
in Auburn Narrows Park at State Route 18 and travel north to the Duwamish River Turning Basin,
just south of the Seattle corporate limits, following the banks of the Green and Duwamish Rivers
as much as possible.
Phase I, which is comprised of two lengths of trail, would be developed by King County Parks
Division (Figure 1). The southern length would be roughly 0.9 miles long, extending from the
southern boundary of Fort Dent Park to a point approximately 200 feet east of the intersection of
Maule Avenue South and South 141st Place (Figure 2a). At this point, the southern length would
connect with an existing asphalt trail that continues north along the Duwamish River. The northern
length of Phase I would be about 2.5 miles long, and would extend north from a point just south
of the 42nd Avenue South crossing of the Duwamish River to the Seattle City Light substation on
West Marginal Place South (Figures 2b and 2c). The portion of the Green River Trail that would
connect the northern and southern lengths of Phase I is located entirely within Tukwila corporate
limits. The City will be responsible for this portion of the overall trail, which is not included in the
Phase I proposal.
Phase I would be a multipurpose trail separated from roads, designed for nonmotorized uses such
as bicycling, walking, and jogging. Most of the tail would be asphalt, 12 feet wide, with a two -
foot gravel shoulder on each side. Two new bridges over the Duwamish and Green Rivers, two
underpasses, and one tunnel are proposed as part of the trail. One bridge would be located
upstream from the confluence of the Black and Duwamish Rivers (see Figure 2a), and the other
would be located at South 112th Street (see Figure 2c). The underpasses would be located on the
west side of the 42nd Avenue South bridge and the south side of the East Marginal Way South
bridge (see Figure 2b). The tunnel would be constructed on the south side of the Pacific Highway
South bridge (see Figure 2b). The bridges, underpasses, and tunnel would be designed for use by
nonmotorized vehicles, allowing for occasional use by maintenance vehicles such as motorized
sweepers.
(t)
0 200 400 600 R.
SHAPIRO &
- ASSQEIATES2
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LEGEND:
Green River Trail, Phase I
100 - Year Flood Plain
Sensitive Areas
111 .1
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1II I I
•
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Green
Fort Dent Park
Access Bridge
- Vegetated Corridor
• Steep Slopes
FIGURE 2a
NATURAL FEATURES MAP
GREEN RIVER TRAIL, PHASE I
• Steep Slope
- Drainage (culvert under
Hwy. 99)
- Wetland
- Class 1 River
- Steep Slope
- Sleep Slope
Proposed
Bridge
0 200 400 600 Fr.
SHAPIRO&
— ASSaEIATES2
LEGEND:
Green River Trail, Phase I
Nl Sensitive Areas
FIGURE 2c
NATURAL FEATURES MAP
GREEN RIVER TRAIL, PHASE I
August 11, 1992
Mr. Darren Wilson
Project Planner
City of Tukwila
6300 Southcenter Boulevard Suite 100
Tukwila, Washington 98188
Re: Shoreline Substantial Development Application
Amendment to Application L92 -0003
Dear Mr. Wilson:
Attached please fmd Exhibit "C" to your Shoreline Substantial Development Application,
File Number L92 -0003 for the Green River Trail. This application was submitted to your
office by the King County Parks Department on January 15, 1992. It is our intent to modify
the permit application to reflect the changes to the project that have occurred since the
application was submitted.
Metro and King County Parks have decided to make the bridge over the Green River a joint
project for their mutual benefit. Metro would share in the construction of the bridge in
exchange for hanging the proposed forcemains on the bridge. Due to the fact that Metro is
more accustomed to handling large construction projects, and due to scheduling concems,
Metro has taken the lead on the construction of the bridge.
We request that the forcemain construction be added to the permit and that the application
be modified to reflect the latest bridge alignment and configuration per the attached
drawings.
We trust that this will meet with your approval. If you have any questions or require
additional information, please call.
Sincerely,
Municipality of Metropolitan Seattle
Marc Dallas
Attachment to Exhibit A
Environmental Checklist
EXHIBIT C
.
The following items refer to the individual questions as listed on the application form and
modified by this amendment:
1) Description: Project shall include two each 24 inch diameter raw sewage pressure
forcemains. Alignment to be as shown on the attached drawings.
13) Earthwork calculations: The construction of the raw sewage forcemains will require
an estimated 1,300 cubic yards of spoil disposal from the north side of the river and
975 cubic yards of spoil disposal from the south side of the river.
Embankment fill required for the bridge approaches is 460 cubic yards of imported
material for the north side of the bridge, and 1770 cubic yards of material on the
south side of the bridge.
The two raw sewage forcemains will be a part of the transport system required to
convey sewage from the Interurban Pump Station to the Regional Wastewater
Treatment Facility at Renton.
For an environmental evaluation of the Interurban Forcemains, we refer to the
Environmental Impact Statement on file with the City regarding the Interurban
Project.
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Green River Trail Master Plan, Appendix C, January 1988 Page 3
NODE: D JURISDICTION: King County
Type: Auburn Narrows trail bridge
Status: proposed
Links: 10,11
Relation to E.T.S. R.O.W.: none
Description:
proposed trail bridge would connect Auburn Narrows Park on left bank, to Green River Community
College property & additional park lands on right bank; because of river channel instability,
consider locating below S.R. 18; alternatively, if railroad is abandoned, construct trail on left bank
and locate bridge at end of 2nd Street SE in Auburn.
Acquisition Priority: none (already acquired)
Development Priority:. low
Relationship to Other Public Projects:
development of trail bridge should be coordinated with development of East Green River Park.
NODE: E JURISDICTION: King County
Type: S. 320th Street traffic signal
Status: proposed
Links: 11, 20
Relation to E.T.S. R.O.W.: none
Description:
existing intersection of SE 320th Street & 104 Avenue SE (Riverside Avenue) is a barrier to trail
access along river, because high -speed traffic on 320th has right -of -way.
Acquisition Priority: none (already acquired)
Development Priority: low
Relationship to Other Public Projects:
intersection improvements (traffic signal) for trail should be coordinated with development of E.
Green River Park.
NODE: EE JURISDICTION: Tukwila SiA ' C
Type: Fort Dent trail bridge
Status: existing
Links: 88, 89
Relation to E.T.S. R.O.W.: none
Description:
existing two -lane entry bridge into Fort Dent Park, with separated sidewalk for foot traffic:
sidewalk is narrow, but traffic volumes and speeds are low, allowing shared use of vehicle lanes.
Acquisition Priority:
Development Priority:
Relationship to Other Public Projects:
none
none (already acquired)
none (already developed)
Status: in process
Links: 95
Acquisition Priority: none (already acquired)
Development Priority: in process
Relationship to Other Public Projects:
dependent on WSDOT HOV project for 1 -5.
Acquisition Priority: none (already acquired)
Development Priority: none (existing bridge)
Relationship to Other Public Projects:
Issac Evans improvements (City of Auburn)
Green River Trail Master Plan, Appendix C, January 1988 Page 4
NODE: FF JURISDICTION: Tukwila & King County
Type: Black River trail bridge
Status: proposed
Links: 89, 93
Relation to E.T.S. R.O.W.: separated from E.T.S. right -of -way
Description:
proposed trail bridge would connect Interurban right -of -way to Fort Dent Park, and would allow
connection of Green River & Black River Trails; bridge is recommended to be located at Black River
confluence; alternatively, left abutment could be located on S 147th Street R.O.W.
Acquisition Priority: high at Black River; none at 147th (already acquired).
Development Priority: high
Relationship to Other Public Projects:
ETS mitigation agreement (County).
�
Relation to E.T.S. R.D.W.: separated from E.T.S. right -of -way
Description:
existing 1 -5 bridge: clearance is ample for underpass on either bank; W.S.D.O.T. plans for adding
High Occupancy Vehicle lanes include development of a portion of trail link #95 on 1 -5 R.O.W.
NODE: GG JURISDICTION: Tukwila & W.S.D.O.T.
Type: 1 -5 underpass (highway bridge)
Auburn
NODE: H JURISDICTION:
Type: Issac Evans foot bridge
Status: existing
Links: 24
Relation to E.T.S. R.O.W.: none
Description:
existing foot bridge connecting Dykstra Park on left bank, to Issac Evans Park on right bank; too
narrow for safe bicycle use; recommend maintaining for local access to trail from residential area on
left bank.
Acquisition Priority: none (already acquired)
Development Priority: none (already developed)
Relationship to Other Public Projects:
none known.
Acquisition Priority: none (already acquired)
Development Priority: moderate
Relationship to Other Public Projects:
none
Green River Trail Master Plan, Appendix C, January 1988 Page 5
NODE: HH JURISDICTION: Tukwila & King County
Type: 43d Avenue traffic signal
Status: existing
Links: 95, 97
Relation to E.T.S. R.O.W.: along E.T.S. right -of -way
Description:
existing intersection of Interurban Avenue & 43d Avenue S, at Tukwila City Limits: existing stop
light makes surface crossing possible, although configuration of turn lanes is somewhat cramped
and could raise safety concerns; development of an underpass (Node H) is the recommended
alternative to intersection improvements.
NODE: I JURISDICTION: Auburn
Type: Brannon Park trail bridge
Status: proposed
Links: 24, 29
Relation to E.T.S. R.O.W.: none
Description:
proposed trail bridge would connect Brannon Park on left bank, to Auburn Golf Course on right bank;
existing parking and restroom facilities make Brannon Park a good staging area for trail use.
NODE: II JURISDICTION: Tukwila & King County
Type: Allentown underpass (highway bridge)
Status: proposed
Links: 95, 97
Relation to E.T.S. R.O.W.: parallel to E.T.S. right -of -way
Description:
existing Allentown (a.k.a. Earlington, Riverton, 43d Avenue S) bridge: narrow sidewalks require
cyclists crossing river to dismount or use the narrow roadway; clearance beneath bridge is limited,
but trail underpass is possible and recommended at left abutment (higher than right abutment);
potential river access area on left bank (downstream).
Acquisition Priority: none (already acquired)
Development Priority: high
Relationship to Other Public Projects:
ETS agreement (County).
Green River Trail Master Plan, Appendix C, January 1988 Page 6
JURISDICTION: Auburn & King County
NODE: J
Type: 277th Street underpass (highway bridge)
Status: potential
Links: 29, 30
Relation to E.T.S. R.O.W.: none
Description:
future highway bridge has been proposed here, as part of new E -W arterial across valley to
Kent - Kangley Road; City of Kent is also involved in proposal; time frame unknown.
Acquisition Priority: none (already acquired)
Development Priority: N/A (future)
Relationship to Other Public Projects:
trail underpasses and sidewalks should be incorporated in planning for future bridge.
NODE: K JURISDICTION: King County
Type: Horsehead Bend trail bridge
Status: potential
Links: 30, 38
Relation to E.T.S. R.O.W.: none
Description:
future trail bridge could connect North Green River Park properties on left & right banks; proposed
in River of Green study.
Acquisition Priority: none (already acquired)
Development Priority: N/A (future)
Relationship to Other Public Projects:
should be coordinated with development of North Green River Park.
NODE: KK JURISDICTION: ' g C n
Type: Interurban underpass (highway bridge)
Status: existing
Links: 97, 99,101
Relation to E.T.S. R.O.W.: separated from E.T.S. right -of -way
Description:
existing Interurban bridge, along E Marginal Way S: existing sidewalks & roadways are narrow,
but clearance is adequate for trail underpasses; bridge is scheduled for replacement by County; new
design will accommodate parallel and perpendicular trail crossings.
Acquisition Priority: none (already acquired)
Development Priority: high
Relationship to Other Public Projects:
trail underpasses and sidewalks are being considered in design of new highway bridge.
Green River Trail Master Plan, Appendix C, January 1988 Page 8
NODE: NN
Type: Pacific Highway cut & cover underpass (highway bridge)
Status: proposed
Links: 101,104
Relation to E.T.S. R.O.W.: separated from E.T.S. right -of -way
Description:
existing Pacific Highway S bridge (W.S.D.O.T.) is a critical barrier to trail development across &
along river; narrow sidewalks make one -way trail use advisable; limited clearance beneath bridge
makes construction of trail underpasses difficult; recommended alternative is a cut - and -cover
underpass because of need for a grade - separated, high -water highway crossing at this location .
Acquisition Priority: high
Development Priority: high
Relationship to Other Public Projects:
ETS agreement (County)
NODE: 00 JURISDICTION: King County
Type: Drive -In trail bridge
Status: proposed
Links: 104,110
Relation to E.T.S. R.O.W.: Left abutment is along E.T.S. right -of -way
Description:
proposed trail bridge would connect S 112th on right bank to end of E.T.S. tunnel section on left bank;
this trail bridge would make it possible to bypass the section of W Marginal Way (S.R. 99) that
would require cantilevered trail construction because the highway is so close to the river.
Acquisition Priority: high
Development Priority: high
Relationship to Other Public Projects:
ETS agreement (County).
JURISDICTION: King County & W.S.D.O.T. 7'vkesn . k--
NODE: Q JURISDICTION: King County
Type: 3d Avenue underpass (highway bridge)
Status: proposed
Links: 41, 52
Relation to E.T.S. R.O.W.: none
Description:
existing T -bridge at intersection of S 3d Avenue & S 259th Street; bridge is very narrow and
clearance is limited; S 259th is also very close to river, making trail underpass difficult; however,
traffic is relatively light.
Acquisition Priority: high
Development Priority: moderate
Relationship to Other Public Projects:
trail development in conjunction with replacement of Central Avenue Bridge.
Development Priority:
GREEN ENVIER TRAM MASTER IFILAN
INTERPRETIVE PLAN
FOR THE GREEN RIVER TRAIL
A PROPOSAL FOR
KING COUNTY AUBURN KENT TUKWILA
PREPARED BY
M. J. YOUNG
DEPARTMENT OF LANDSCAPE ARCHITECTURE
UNIVERSITY OF WASHINGTON
AUGUST 1987
ABSTRACT
Loren Eiseley, The Immense Journey
Green River Trail Master Plan, Appendix D, January 1988 Page ii
Preservation of our physical heritage is a key to helping us
understand the history and culture of our forebears. The 'story' of a
particular landscape or place can help us understand how people
lived there and how the environment changed around them. The
experience of visitors to parks and recreational facilities can be
also enhanced by an understanding of the landscape around them in
which they are travelling through. That understanding can be
facilitated by 'interpretation.' • Interpretation is the use of physical
sites and features to explain and illustrate natural and cultural
history. Interpretation of cultural and natural resources provides
the recreational observer a broader perspective or context for
events or experiences which might otherwise have gone unnoticed.
In turn this enlarges the potential recreation value of facilities such
as the Green River Trail.
This document proposes that . an interpretive plan be adopted to
assist in relating the 'story' of the Green River for the recreational
trail that will bear the river's name. An interpretive plan examines
the events, history, and processes of change in a particular area,
consolidates them into major interpretive themes, and identifies
potential interpretive sites and media. These themes and sites are
then used by planners, artists, and designers to develop interpretive
facilities and programs to recreate the story of an area in its
natural and cultural context.
The Green River Trail would be enhanced by an interpretive trail
program that details the natural processes along the river and the
history of the Green River Valley. This plan identifies twenty -four
sites as potential interpretive sites along the trail system. These
sites are proposed to contain visual references to existing features
nearby (e.g., a river oxbow, an historic structure, etc.) and /or new
works of art that depict or reinterpret real or imagined past events
(e.g., places described in Native American myths, early river travel,
etc.).
While each interpretive site would be self- contained and not
dependent on another for visitor understanding, all sites should be
developed to be consistent with an overall set of interpretive
themes. It is important to have consistent themes for continuity of
an interpretive program. While each site along the proposed trail is
unique, a set of consistent themes would reinforce public
understanding of the interpretive program.
On the world island we are all castaways, so that what is seen by
one may often be dark or obscure to another.
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SHEET INDEX
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'NAM I
SEATTLE
NORTHERN PORTION
NUMBER NAME
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1.2 Sea Layout A Planting • Segment A
L2 S.4 Layout I Planing • Segments B I C
L4 Sea Layout A Planting • Sagmenu D I E
LS See Layout A Planting • Segn,nt. H i 1
L6 Sine lAyoul • Planting • Segment J • •2nd Ave. 8. UedarooaWv
L7 Bee LayOUt I Planting • Segment K a L
LB Sae Layout IPlanWp - Segment M IN
L9 S44 Layarl a Planting • Segment O I P
1.10 S.1 LaYoutI Planting• Segment OAR
L I I Si. la7OUl A Plano • Segment 8 • E. Marginal Way 8. Underao9Wlp
1.12 Saa layout I Planting • Segment Z • S. 11219 S1 Pedeatnan Bodge
1.13 600 Layout A Planting • Segment AA I BB
1.14 See Layout ► Planting • Segment CC ► OD
LIS See Layout A Planting • Segment EE A FF
1.16 S.4 Layout A Planting • Segment GO A NH • Turning Basin
L 17 0rad 119 A Drainage • 5a9mMd A
1.19 Glad g► Drainage • Segments BIC
1.19 Gracing l Drainage • Segments 0 A E
L20 Dimling • Drainage • Segments H I I
1.21 °teeing I Dunnage • Segments • 42ne Aye 6 Ura4nuoWog
1.22 Orating ► Dunnage • Segments K a 1
1.23 Grating A Damage • Segment. M A N
L24 G4ong A Onw91 • Segment. 0 8 P
LOS Grading a Drainage • Segments 0 A 11
1.26 0radn9 a Drainage • Segment S • E. Marginal Way S Uneeraontng
1.27 Gteeng a Drainage • Segment 2 • S 112th S1. Ped10P4n 9.49.
1.26 04aein9 a Drainage • Segments AAA 88
L29 Grades a Dranega • Sa9menls CC 100
1.30 °taring a Manage • Segments EE ► FF
L31 Grading A Wattage • Segments 00 • HH • Twr4g Basin
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L33 Site Data..
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3 Site Layout - Segment E • and FF
4 ea Layout • Sogmen G and HH
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9 Site De
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11 Ci Details
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Addition • Included:
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Typical Structural Details
NOTE: These sheets reflect portions of the
Green River -tail prolact within King County only.
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UNDERCROSSING SECTIONS RECEIb E(ig
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GRADING AND DRAINAGE PLANEcEiva
te 2:2932
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711-7 Li
FL000 INFORMATION
ITANDMO man= 1%000 IC 0 ff.) US I
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NATURAL RESOURCES &
FAII(S DIVISION . sun AVOID La. IMMO
rorr t2n1 R\KK.
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SEGMENT B
Ill
FL000 INFOIDIATION
STAMDMID Mit= 1 IC 0 F.. )
IS VIM FLOOD (1..EILA.)
SEGMENT C
o I 20 •
FLOOD DIFORIDATION
no
NT
Ku-cc-6310 re,44,c •.••
4, •134l4 yaw r eJurr L�.T
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STE MOUT AND KAMM PLAN
W
GREEN RIVER TRAIL - PHASE
RECEIV
(10 2 IN
.1
41 146. oouNrv
NA1VIA1.RE8OVRCE8 t
PARKS DIVISION w Nm AMU' a+. MOO IlL* macaw Nil
i
GREEN RIVER TRAIL = PHASE .
$RE
UMW NO PLANTING PLAN
qn
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mom
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FL000 INFORMATION
STAICAMO MOOR= 1 (CO L)
100 TEAM 1 MIX* I
— - <-.. 5000110 CITY LIONT
TOO WAY LINE
* SEGMENT L
`T*Mararn:r 1 ' 1
31
SEP 2 Zan
r ol m' 7 61 7) *
GREEN RIVER TRAIL - PHASE 1
42ND AVE S. UNCIERCNOSSING
'',... ta.:
, \
., .. GA911,:pel I
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I
SMOOT LOCATION MAP
r_ f ip t2A.P rye.
0 11/4
A/
PoraPaoet0 2 (-floe Traol.
Oro-7 130211-0E.12 Tyro. cp.". 510e
C.34
t TY
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SEGMENT J
7
f FLOOD satonuanosi WAS)
'ITAISIMADF110.15CTIL000(C.0.1.) EL III
• 1•0 DI FLO00 412RO PUN FLOOD ella41 EL t 7.4
MAN (loon Hon MATER (PMR) IL. As
LRAM ISOM MUIR (WM) IL. 4.1
011051451 MGM RATIN 1044511 IL. 5.4
N.,■•• -
I•••
f.
RECEIVED
EP 1M
voritoratiir
IIIU=C;Z:Mtif
7--
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\- sari'LlE an' wort MOW OF
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•.A COY LUNT NOM OF MY CXC
- — -- - -
r"'144/61 .._ 1
putro exursU WNW' yot•tuU
a. eusi uftwormi
— SEGMENT - 0
FLOOD INFCNIMI1ON •
•
SUMMDMOJECT F1.000(40.2) 141.0
TX VIM FL0000.cia.A.1
001.4
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WTTLE CITY LIGHTAIGHT OF MY INF
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111 . 1 1e URAL
NAT IITROURCES &
TRW onalsom . X Mt M.I.MOIF NUM FRIBMOTON UFO
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0,SEGMENT P
• .
.010"1
RECEIVEI
• A-000
- WANDA= Maas 11.00o (CALI OA, •
▪ •
IFT=57.41 /14M
MUM 11.0C° MIA/4 4 . •
GREEN RIVER TRAIL "- PHASE —
IRE LAW,' AND RAMO PLAN .
• 'rat ',I.e.
unto wax. • "•■
SEATTLE CRY UGH? MOW OF BIM
a i1- Tray. /
INTER • BAN AV. S.
INTERURBAN AV. S.
- SEATTLE CRT MAR
SEGMENT M
..... SEGMENT N
• • •• • __..t - ..r _i nT .,'(AF. MN ,- Vi c.
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O
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69.0
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GREEN RIVER TRAIL = PHASE .
ETA! L
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FIELOSET TO rIAIKITAINI
DIMENSION P Ei..10 OF WALL.
MAE
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SIMILAR PPOIT F t. 1R11._
GO' SEATTLa kAT esc c'EPT.
DEPT. It /14 ; vemtry LOGATION.1
UOTIFY APec.1-41TIECT IF
LOCATION IS DIFFERENT
THAN •SI-Icn41,1
fl
TYP. EA SIIDE.
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PON PERIM ONLY
22.1144.12. 4/5
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4.•br 11z.•11...
I_JEyT ABUTMENT
7B160111111MMIWIRIM19112112211121=3 liktTIEIPLISIMIKAMA7
170'
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THRUST
PROTECT PURINA GOLIsTRUcTIOW
urrAnten,e- turco4r.rie NAME.
21 122•122.E./
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bee m-4 eft —
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EXT ekrr OF F.E.KA.
( yr..)
1
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‘.20.•04/
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SEGMENT Z
,
FLOOODWOMATON (Fr-A
11T/J212110 PROJECT FLOOD (QM IL. 1.1
1121 YR F1.000 11 ZING 11111211.000 (FIMA) 21.. Os
121.2.111201111110011110111.1.111MINW1 II- Ca
IMAM MN Mita (1,111W) LI- LID
01101111.21111011 runA Mom/ IL Le
SEOLIENT LOCATION MAP
PIER.
sk,
— =-41117.7.
AT_
•
4,, EAST AISUTHEUT
cl/FLVE a •
e. 48 0 WATER •
6. 112.11
kle.' WATER PEZ SLID
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t EXIST. Gds......vEL PATH
z. 411q1.•firP•air• 41C46,4tAIL
TYP. ••61DE,, r , oar. r 5.•I 0
4 ■••• •• •,,as
PROPO E.0 '-J4.
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RECEIVED
EP 2 2192 .
oilr"
Mr"- .r.Z.M17,1
afts COUNTY
NATURAL RISOOSCLII &
PROW DIVISION me sa.i•Kinusaftsruawnsiusee
GREEN RIVER TRAIL - PHASE 1
4. • VI'
S. 112Th STREET PEDESTRIAN ORME
SIT
A■ • C• 11.
• /14•0 COUNTY F•11•4
C • 40 4401
fp
8
NOIlt•
NORIZONTAL OAILIA NO.4
VLITIICAL DATUM. If C AO Al PROVIDED NV
NINO CO PARK DOPE
- LINO LOCATION 600 RN • AcIt RICOACI
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WIMIT LOCATION MAP
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•
SEGMENT AA
ROOD IMPOMMATION
IMMOMDP110.111CIPICODICAL)
MO TIM PL000(PS.M.A.) Le •
a 410
1111
• ..■•■ W-7
SEGMENT:
od
talWir
• •
,••• . . • '• ' •
I I I •
n o. - 4 , f •• •
RECEIVE
COUNTY
NAIIMIAL RESOURCES &
MIENS DIVISION or NM AWILIS SA. sumo WAS vaumaroes owe
t
IC. 7 00
L. t71.
'Ir. • • r .
...S. ea MI
•
r 1
Pc
A* ql"
LP 15b.5
SEGMENT R
csiba• icoOft cous.ars
11.700.
A. 14- d
• Z.
COWTIPOT•
STANDARD IMMO PUICO
YUR ?AMA) 11.4
TICA•11-
TYPICAL WALL
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MIMS MINION me sew AMMO ILL. =ME NUM IEVOINITOIS
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VCAIZA.Ve•L. SHOULDER
.• • •• -rep. ex.. .5117E,
SEGMENT S
• I
now rooRmanow
ex1e.1.11 OF FL-0001-1*Y ITITI)
C.UKVE.•et
112•.4V
•6 40••••
L•••51'.42'
■-■
r Toes 111.110•010
((IN
LOCA1101i MAP
STANDARD PEOEICT KOOD MOIL) EL II 8
SOO YE rm.:eater° 10110 111.000 (?000I IL OA
W AN NIGHER 110111140101 (WON) EL IS
DADA Isaa4 MTV, (19.w) 111.. 05
011051•115 MOH VIATIN MIMI 00.. 6.3
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OAST IWICIIIIAL WAY UNDISACWOW13110
SITE
RECEIVED
IP I 2IM2
Or •
•
•,1
_
GREEN RIVER TRAIL - PHASE 1
•
BRIDGE
N El
II II
u _11 _ ,. _Ili
/!. TIES.. lo' CC 1 j4
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ELEVATION A
t/2.-1.-o.
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-r COVER, TIP EA HOOK
1' 0101410
(nP)
EL +BOO' O.FLM
(12) 110 EVENLY SPACED -TIP,
% EA PRE
APPROBATE MONO
j OHAHNEL GRADE
EL -7.B
- APPRO)O.AT: TOP OF
( GEDROCTC/Tu
tae
F
I y � EL - 2IOTA= EOUNOATKN
KING COUNTY .
NATURAL RESOURCES &
PARKS DIVISION NO Mn Arrnui a.i UUCP) Uw10. ,wuwToo wall
BEAM ASSENTIY BEYOND
BY OTHERS, SEE NOTE
PIER
17
� iii ♦♦
- — - - - - -- _ - --
I I t —'-
__ I I •
_415.1
ELEVAT Ism R
1 /2'.I -0
I PIER
SECTION D
— PROPOSED ANCHORAGE UYOUT,
SEE NOTE
2 '
MR SIDE co VER (TIP)
�p 1110 -0EPIR EA SCE
SECTION C
1 / 2 '•I' -0 '
SECTION E
SECTION F
BRIDGE
I l
r CAWS
t—
FN
I ..B
( PILE
ABU:DENT •
Lf`Y u..- ...�IiJ Givl uY
PRELIMINARY
Nor Fot. connitnavy ' r .
GREEN RIVER TRAIL - PHASE 1 •.•
S:112TH ST.PEDESTRIAN BRIDGE LAYOUT '`
R ECEI V 7 � I OP , ' : ':'
• PIER DETAILS Qi Imo. :• tis . •
d
J
i
t