HomeMy WebLinkAboutExhibit 24 - Annotated Jefferson County Rural Access Road StandardsRURAL ACCESS ROAD/DRIVEWAY
14' ROAD SECTION
ONE LANE ROAD WITH TURNOUTS
( SERVES 4 RESIDENCES MAXIMUM )
VARIES VARIES
14'-0"
7.0' 7.0'�
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COMPACTED SUBGRADE
ROADS SHALL BE CONSTRUCTED TO THE COUNTY'S ADOPTED STANDARDS:
— AASHTO GEOMETRIC DESIGN OF HIGHWAYS AND STREETS (CURRENT VERSION).
— WSDOT DESIGN MANUAL AND STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION (CURRENT VERSION).
— JEFFERSON COUNTY UNIFIED DEVELOPMENT CODE CODE, CHAPTER 18.30.080.
NOTES:
1. ALL MATERIALS SHALL MEET WSDOT STANDARD SPECIFICATIONS FOR ROAD CONSTRUCTION.
2. CSBC & CSTC DEPTHS SHOWN ARE A MINIMUM; INCREASED DEPTH MAY BE REQUIRED DUE TO SOIL CONDITIONS.
3. * SLOPES FLATTER THAN 2H:1 V ARE DESIRABLE WHERE ACHIEVABLE.
4. MAXIMUM GRADE IS 12%. GREATER THAN 12% WITH PUBLIC WORKS APPROVAL; PAVED SURFACE MAY BE REQUIRED.
5. ROAD STANDARD IS FOR PRIVATELY MAINTAINED ROADS ONLY WITH NO POTENTIAL FOR FURTHER DEVELOPMENT; NOT A THRU ROAD.
6. INITIAL 30 FOOT SEGMENT AT INTERSECTION SHALL BE 20 FEET WIDE WITH 25 FOOT LONG TRANSITION; SEE DETAIL.
7. 20 FEET WIDE BY 50 FEET LONG INTERVISIBLE TURNOUTS REQUIRED WITH 25 FOOT LONG TRANSITION; SEE DETAIL.
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Nov. 21, 2022
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14.0'
RURAL ACCESS ROAD/ DRIVEWAY DETAILS
25.0'
NTERVISIBLE
TURNOUT
20.0'
TURNAROUNDS
50.0' �I VARIES 25.0' i� 30.0'
14.0'
PAVED
APRON
INTERVISIBLE TURNOUT AND ROAD APPROACH
20.0'
R25.0'
Nov. 21, 2022
PAGE 2 OF 2