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SAW CUT
HMA CL %2" PG 64-22. MATCH
EXIST THICKNESS
NOTES:
DEPRESSED CURB PER
COR STD PLAN 101
CURB EXPOSURE = 0"
24", MIN
COUNTER
SLP 5%
MAX
6" CSTC
TRUNCATED DOME
DETECTABLE WARNING
SURFACE,
2'SEE NOTE 2
La
1. TOOLED JOINTS ARE REQUIRED AT ALL SIDEWALK RAMP SLOPE BREAK LINES.
CONSTRUCT CEMENT CONC
PEDESTRIAN CURB PER COR
PLAN 101, WHERE SHOWN 01
0
4" CSTC
SLP VARIES, SEE
DETAILS
4" CONC S/W
2. THE DETECTABLE WARNING SURFACE (DWS) SHALL BE PLACED AT BACK OF CURB WITH THE TWO LEADING CORNERS OF THE DWS PANEL
PLACED ADJACENT TO THE BACK OF THE CURB, AND WITH NO MORE THAN A 2 INCH GAP BETWEEN THE DWS AND THE BACK OF THE CURB
MEASURED AT THE CENTER OF THE DWS PANEL. EXCEPTION: IF THE MANUFACTURE OF THE SELECTED DWS REQUIRES A CONCRETE BORDER
AROUND THE DWS, A VARIANCE OF UP TO 2 INCHES FROM THE BACK OF CURB IS PERMITTED (MEASURE AT THE LEADIND CORNERS OFF THE
DWS PANEL)
TYPICAL SIDEWALK RAMP REPLACEMENT SECTION
SCALE: NTS
CTnr-XA/Al V DAMD nl(1Tr-C-
1. CONTRACTOR SHALL BE RESPONSIBLE FOR MEETING ALL AMERICANS WITH DISABILITIES (ADA) REQUIREMENTS
AS DEFINED BY THE PUBLIC RIGHTS -OF -WAY ACCESSIBILITY GUIDELINES (PROWAG). SHOULD ANY ERROR OR
INCONSISTENCY EXIST, THE CONTRACTOR SHALL NOT PROCEED WITH THE WORK AFFECTED UNTIL REPORTED TO
THE ENGINEER FOR CLARIFICATION OR CORRECTION.
2. REFERENCE CITY OF RENTON STANDARD PLAN 101.0, 101.1, 102.0, AND 103.0. SEE WSDOT STD PLAN F-40.12-03,
F-40.14-03, F-40.15.03, AND F-45.10-02. FOR ADDITIONAL INFORMATION.
3. ALL SURVEY AND STAKING NECESSARY FOR CONSTRUCTION SHALL BE PROVIDED BY THE CONTRACTOR.
COMPLETE ALL SURVEY STAKING AS NEEDED USING INFORMATION CONTAINED IN THE PLANS AND ADJUSTED AS
NECESSARY TO MEET ADA REQUIREMENTS. ADDITIONAL INFORMATION OR CLARIFICATION BY THE ENGINEER MAY
BE AVAILABLE UPON REQUEST. SURVEYED FIELD LAYOUT SHALL BE REVIEWED BY THE CITY AND ENGINEER PRIOR TO
CONCRETE PLACEMENT.
4. THE MAXIMUM CLOSURE TIME FOR ANY SINGLE CORNER SHALL BE ONE WEEK. SUBMIT TRAFFIC CONTROL PLAN
AND PEDESTRIAN DETOUR PLAN FOR RAMP CLOSURES. PLAN SHALL INCLUDE BUT IS NOT LIMITED TO WORK AREA
PROTECTION, SIDEWALK CLOSURES AND DETOURS.
5. COORDINATE UTILITY RELOCATIONS AND/OR ADJUSTMENTS AS NEEDED. SEE SPECIFICATIONS FOR UTILITY
CONTACT INFORMATION.
6. REPLACE CURBS, SIDEWALKS, AND/OR DRIVEWAY APRONS THAT ARE DAMAGED AS A RESULT OF CONSTRUCTION
OPERATIONS. REPLACE FULL SECTIONS TO THE NEAREST EXISTING CONSTRUCTION JOINT. REPLACEMENT WILL BE
CONSIDERED INCIDENTAL TO THE WORK.
7. PROTECT FRESHLY POURED CONCRETE FROM VANDALISM OR OTHER DAMAGE FOR A MINIMUM OF TWENTY-FOUR
(24) HOURS OR UNTIL CURED ENOUGH TO SUPPORT TYPICAL USE, WHICHEVER IS LONGER. ANY CONCRETE
DAMAGED BY VANDALISM OR OTHER CAUSES SHALL BE REPLACED AT NO COST TO THE COUNTY.
8. ALL AREAS DISTURBED THROUGH THE CONSTRUCTION OF THE SIDEWALK RAMPS SHALL BE RETURNED TO THEIR
ORIGINAL CONDITION PRIOR TO PROJECT COMPLETION. THIS INCLUDES, BUT IS NOT LIMITED TO, LANDSCAPE
RESTORATION AROUND NEW RAMPS. LANDSCAPE RESTORATION WILL BE CONSIDERED INCIDENTAL TO THE WORK.
9. CONTRACTOR SHALL TAKE EXTRA CARE TO AVOID DAMAGING ANY IRRIGATION, WIRING, OR OTHER FACILITIES IN
THE AREA TO THE NEW RAMP. ANY FACILITIES ENCOUNTERED SHALL BE RELOCATED BY THE CONTRACTOR WITHOUT
DAMAGE TO AN APPROPRIATE LOCATION OUTSIDE THE RAMP/WALK AREA AT NO ADDITIONAL COST TO THE CITY.
NOTICE ARC RECORD
0 Y2 1 DESIGNED DRAWINGS
ARC
DRAWN rra smi
IF THIS BAR DOES
NOT MEASURE 1" TTT SEE NOTE ON
th
THEN DRAWING IS CHECKED COVER SHEET
1 10/26/2022 JJM RECORD DRAWING NOT TO SCALE
NO. DATE BY REVISION
ASPHALT ONLY
ROAD SECTION RESTORATION
1.5% -2% OR AS DIRECTED BY
ENGINEER
2" OVERLAY
EXIST ASPHALT
J W
Q '--'
a Q
cn >
Q =
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w
w
8 PERMANENT
ASPHALT PATCH
ADDITIONAL CSTC_zzz
DEPTH VARIES
UNDISTURBED
NATIVE SOIL
MIN 6" CSTC
TRENCH BACKFILL PER
DETAIL 3, THIS SHT
NOTES:
1'
MIN
X
1'
MIN
MULTIPLE MATERIAL
ROAD SECTION RESTORATION
°
1.5%-2% OR AS DIRECTED BY
ENGINEER
2" OVERLAY
EXIST ASPHALT
EXIST CONC
OR BRICK
PERMANENT ASPHALT
TO MATCH THICKNESS
OF EXIST ROAD
SECTION, 8" MIN
UNDISTURBED
NATIVE SOIL
MIN 6" CSTC
1. TOOLED JOINTS ARE REQUIRED AT ALL SIDEWALK RAMP SLOPE
BREAK LINES.
TYPICAL ROADWAY RESTORATION SECTION
SCALE : NTS
CRUSHED SURFACING TOP COURSE PER WSDOT STD
SPEC 9-03.9(3), BANK RUN GRAVEL FOR TRENCH
BACKFILL PER WSDOT STD SPEC 9-03.19 OR GRAVEL
BORROW PER WSDOT STD SPEC 9-03.14(1),
COMPACTED TO 95% OF MAXIMUM DENSITY
i
BENCH AS NEEDED FOR
SHORING SYSTEM
GRAVEL BACKFILL FOR PIPE ZONE
BEDDING PER WSDOT STD SPEC
9-03.12(3)
PIPE FOUNDATION STABILIZATION,
IF REQUIRED SHALL BE 12"-24"
CSBC AS DIRECTED BY THE
ENGINEER WITH GEOTEXTILE
WRAP W/18" OVERLAP
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00 0IF REQUIRED BY THE ENGINEER, MIX DRY
OnOOO CEMENT INTO SUBGRADE, PAYMENT BY
MINOR CHANGES
TRENCH WIDTH PER
SPECIAL PROVISION
SECTION 7-08.3
COMPACTED SUBGRADE
TYPICAL TRENCH, BEDDING AND BACKFILL SECTIO
SCALE: NTS
RENTON DOWNTOWN
• UTILITY
'D IMPROVEMENTS
PROJECT
RESOTORATION AND TRENCH
DETAILS
PROJECT NO.: 18-2251 I SCALE: AS SHOWN I DATE
R-394974
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January 2021 120 Of 121