HomeMy WebLinkAbout1.1-May Crk_Concept_10-06-2017.pdf40404040404040404050 5050
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NOT FOR CONSTRUCTION
CONCEPTUAL
SCALE IN FEET
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SB I405
NB I405
MAY CREEKSTREAM BUFFER
MAY CREEK
WETLAND 7.2R BUFFER
STREAM BUFFER/
MAY CREEK
PRESTRESSED CONC GIRDER BRIDGE
PROPOSED SINGLE SPAN
ABUTMENT WALL FACE
ABUTMENT WALL FACE
BRIDGE COLUMN
BRIDGE COLUMN
BRIDGE COLUMN
BRIDGE COLUMN
BRIDGE COLUMN
BRIDGE COLUMN
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BRIDGE COLUMN
WATER LINE
ORDINARY HIGH
PROPOSED WALL
EXISTING WALL
PAVEMENT
PROPOSED EDGE OF
OF PAVEMENT
EXISTING EDGE
PROPOSED CONTOUR
EXISTING CONTOUR
FILL LINE
CUT LINE
STREAM BUFFER
WETLAND BUFFER
WETLAND
OHW
EXISTING STREAM
PROPOSED RIGHT OF WAY
EXISTING RIGHT OF WAY MAY CREEKMAY CRK INTERCEPTOR
EX 36" DIA SS
MAY CRK INTERCEPTOR
EX 36" DIA SS
##
EX ROW
SECTION
CONCEPT PLAN HYDRAULIC CROSS
EX STREAM SCALEABLE EDGE
EX STREAM SCALEABLE EDGE
FIELD SURVEY OF EX STREAM X-SECS
STREAM EDGE, PER WSDOT
EX MAY CREEK
CROSS SECTION
CONCEPT PLAN HYDRAULIC
FIELD SURVEY OF EX STREAM X-SECS
STREAM EDGE, PER WSDOT
EX MAY CREEK 40405040 4040
506014+42
FUTURE TRAIL
PROPOSED ROW
EXCAVATION, EX ANGULAR RIPRAP REMOVAL)
(INCLUDES UPLAND STREAM BANK
PROPOSED FILL REMOVAL/STREAM GRADING
CONCEPT LEGEND
PLAN LEGEND
EX ANGULAR ROCK BELOW OHWM **
EX ANGULAR ROCK BELOW OHWM **
ABOVE OHWM
EXCAVATION FOR OVERBANK
ABOVE OHWM
EXCAVATION FOR OVERBANK
LivingT
c:\users\livingt\pw_wsdot\d0127507\XL4653_XS_May Creek Bridge-Stream_Concepts_TBL working.dgnPLOTTED BY:
DATE:10/6/2017 TIME:5:55:19 PM
Washington State
Department of Transportation
MAY CREEK CONCEPT
LINE 2:
LINE 1: NO IN WATER WORK GENERAL CONCEPT
OF CONSTRUCTION.
AND OTHER EXISTING CONDITIONS AS EVALUATED AT THE TIME
DIRECTED IN THE FIELD BASED ON DRY SEASON WATER LEVEL
EXISTING ANGULAR ROCK BELOW OHWM SHALL BE REMOVED AS **
LEGEND NOTES:
TOPOGRAPHIC SURVEY OF EXISTING GROUND SURFACE LINE.
STREAM BOTTOM ELEVATIONS AS COMPARED TO THE AERIAL
STREAM. THIS DATA MORE ACCURATELY REFLECTS THE ACTUAL
SECTIONS AND USED AS THE ASSUMED SCALEABLE EDGE OF
SURFACE LINE FROM THAT SURVEY IS DISPLAYED IN CROSS
NOT SHOWN ON THE PLAN EXISTING CONTOURS, BUT THE
TOPOGRAPY DATA, THE EXISTING HYDRAULIC SECTIONS DATA IS
IN AREAS BETWEEN GROUND SURVEY INFORMATION AND AERIAL
HYDRAULICS ANALYSIS PURPOSES, BUT DUE TO INCONSISTENCIES
MAY CREEK STREAM CROSS SECTIONS WERE SURVEYED FOR
EXISTING BRIDGE ARE PER WSDOT FIELD SURVEY (2017). EXISTING
EXCEPT UNDER EXISTING MAY CREEK BRIDGE. CONTOURS UNDER
EXIST CONTOURS SHOWN ARE PER AERIAL TOPOGRAPHY (2015), 1)
NOTES
1
2 1098
7
654
3
E
X UP
S
T
R
E
AMEX DOWNS
TREAMSTREAM SECTION CUT
REPRESENTATIVE
STREAM SECTION CUT
REPRESENTATIVE
LivingT
c:\users\livingt\pw_wsdot\d0127507\XL4653_XS_May Creek Bridge-Stream_Concepts_TBL working.dgnPLOTTED BY:
DATE:10/6/2017 TIME:6:08:34 PM
Washington State
Department of Transportation
LINE 2: NOT FOR CONSTRUCTION
CONCEPTUAL MAY CREEK STREAM TYPICAL SECTION CONCEPT
LINE 1: REPRESENTATIVE TYPICAL STREAM SECTION - NO IN WATER WORK CONCEPT
FLOODPLAIN
100-YR
FLOOD PLAIN (TYP)
WITHIN 100 YR
ANGULAR ROCK RIP-RAP
REMOVE PORTIONS OF
MAY CREEK REPRESENTATIVE SECTION
(IF IMPACTED)
WATER PIPE
12" D.I.
RELOCATED
DIWP
EX 12"
(PROTECT IN PLACE)
MAY CK. INTERCEPTOR
KING CO. SS
EX 36" RCP
ABUTMENT/FOUNDATION
EX BRIDGE
PROPOSED BRIDGE MINIMUM CLEAR SPAN
5' MIN
TRAIL
FUTURE
VARIES (5' MIN)
EX GROUND
EX GROUND
ABUTMENT/FOUNDATION
EX BRIDGE
ABUTMENT/FOUNDATION
EX BRIDGE
N.T.S.
SECTION)
(DOWNSTREAM FROM REPRESENTATIVE
EX PILE SUPPORTED FOOTING
100 YR FLOOD PLAIN
OHWM *
SEE NOTE 4
(2H:1V MAX)
SLOPE VARIES
SEE NOTE 4
(2H:1V MAX)
SLOPE VARIES
PROPOSED ROADWAY
FOR FUTURE TRAIL
VARIES, MIN 16' ZONE
DEPTH FROM PROPOSED GROUND LINE
EXCAVATION TO A POINT 2-FT MIN.
REMOVED WHERE EXPOSED BY UPLAND
EX BRIDGE PIER AND FOUNDATION
DEPTH FROM PROPOSED GROUND LINE
EXCAVATION TO A POINT 2-FT MIN.
REMOVED WHERE EXPOSED BY UPLAND
EX BRIDGE PIER AND FOUNDATION
AT THE TIME OF CONSTRUCTION.
BASED ON DRY SEASON WATER LEVEL AND OTHER EXISTING CONDITIONS AS EVALUATED
EXISTING ANGULAR ROCK BELOW OHWM SHALL BE REMOVED AS DIRECTED IN THE FIELD **
BY A QUALIFIED BIOLOGIST PRIOR TO THE BEGINNING OF CONSTRUCTION.
OHWM SHOWN FOR INFORMATIONAL PURPOSES ONLY. OHW ELEVATION SHALL BE VERIFIED *
ROCK**
ANGULAR
EX
ROCK**
ANGULAR
EX
DESIGN BUILD CONTRACTOR.
ABOVE ARE CONCEPTUAL. FINAL PROPOSED GRADE SLOPES WILL BE DETERMINED BY
EXCAVATED SLOPES ABOVE OHWM SHOWN ON MAY CREEK REPRESENTATIVE SECTION 4)
ELEMENTS ARE CLOSEST TO THE EXISTING GROUND SURFACE.
CHANNEL) IS ALSO PROJECTED INTO THE SECTION TO SHOW WHERE SUB SURFACE
SPREAD FOOTING LOCATION. THE PILE SUPPORTED FOOTING ON THE RIGHT (NORTH SIDE OF
BRIDGE LOCATION. FOOTING ELEVATIONS VARY. THE SECTION SHOWN REPRESENTS THE
SUPPORTED FOOTINGS, AND DEEP SHAFT SUPPORTED FOOTINGS ARE ALL PRESENT AT THIS
EXISTING BRIDGE SUB SURFACE FOOTING CONDITIONS VARY. SPREAD FOOTINGS, PILE 3)
SURFACE ELEVATION BETWEEN EXISTING AND PROPOSED CONDITIONS.
GRADING WILL RESULT IN NO NET RISE GREATER THAN 0.01-FT IN DESIGN WATER
CONCEPT ASSUMES REMOVAL OF EXISTING ANGULAR ROCK AND PROPOSED STREAM BANK 2)
OF RENTON MAY CREEK REGIONAL TRAIL CONSTRUCTION.
PRECLUDE AVAILABLE AREA WITHIN THE FUTURE BRIDGE SPAN LENGTH FOR FUTURE CITY
DESIGN GUIDELINES AND OTHER PROJECT RELATED COMMITMENTS, SUCH AS TO NOT
WORK . DIMENSIONS SHOWN REPRESENT THE MIN. OR MAX. BASED ON PERFORMANCE BASED
SECTION IS REPRESENTATIVE OF PROPOSED CONCEPT FOR BRIDGE AND STREAM BANK 1)
NOTES: