HomeMy WebLinkAboutR-425413A PORTION OF THE NW 1/4 OF SECTION 19, TOWNSHIP 23 NORTH, RANGE 5 EAST, W.M., KING COUNTY, WASHINGTON
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GRADING AND STORM DRAINAGE PLAN (PUBLIC)
SCALE: 1"=20'
HORIZONTAL SCALE: 1"=20' 9 Call 811
20 0 20 40 • m two business days
NORTH before you dig F No.
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SURVEYED:
DESIGNED:DKM
DRAWN:
KLK
CHECKED:
DCD
BY DATE APPR APPROVED:
DCD
SCALE:
AS NOTED
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
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18.
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VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
DATU V
C TY OF
RENTON
Planning/Building/Public Works Dept
LEGEND
SD STORM DRAIN PIPE, INSTALL PER STD PLAN 220.00 AND 220.10/C3.3, AS
APPROPRIATE
® TYPE 1 CATCH BASIN, INSTALL PER STD PLAN 200.00/C3.3
TYPE 2 CATCH BASIN, INSTALL PER STD PLAN 201.00/C3.3
25 MAJOR CONTOUR
23 MINOR CONTOUR
TS TOP OF STAIR STEP
BS BOTTOM OF STAIR STEP
GENERAL NOTES
1. SEE APPLICABLE GRADING AND STORM DRAINAGE NOTES ON C3.2
2. SLOPES NOT TO EXCEED 3H:1V
3. TYPE 1 CATCH BASINS SHALL BE TOPPED WITH LOCKING BI-DIRECTIONAL VANED GRATES GRATES PER
STD PLAN 204.00 AND 204.30/C3.4, UNLESS OTHERWISE NOTED
4. TYPE 2 CATCH BASINS SHALL BE TOPPED WITH LOCKING SOLID LIDS PER STD PLAN 204.40/C3.4,
UNLESS OTHERWISE NOTED
5. CONTRACTOR TO FIELD -VERIFY LOCATION OF EXISTING UTILITIES
6. SEE STORM DRAINAGE SYSTEM PROFILES ON SHEET C3.5
7. STORM STRUCTURES SHALL BE INSTALLED PER STD PLAN 202.00/C3.3
8. CONTRACTOR TO CONNECT ROOF DRAIN AND FOOTING DRAIN TO CB05 WITH 4" PERFORATED PVC
SDR35. DRAINS NOT SHOWN ON PLANS FOR THE SAKE OF CLARITY AND FLEXIBILITY OF LOCATION AND
INVERT. CONNECTING PIPE MUST HAVE A MINIMUM OF 1' GROUND COVER AND A MINIMUM 1% SLOPE.
CROWNS SHOULD MATCH AT CB05, IF POSSIBLE. IF CROWNS CANNOT MATCH AT CB05, THEN THE
INVERT OF THE CONNECTING PIPE MUST REMAIN ABOVE THE INVERT ELEVATION OF PIPES CONNECTING
AT CB05.
9. PIPE LENGTHS ARE MEASURED FROM CENTER OF STRUCTURE TO CENTER OF STRUCTURE, OR TO END
OF PIPE IN THE EVENT IT DOES NOT TERMINATE IN A STRUCTURE.
10. BIOFILTRATION POND MUST HAVE A BOTTOM OF 169SF OR GREATER, PER ORIGINAL DESIGN.
KEY NOTES
INSTALL BEEHIVE GRATE PER STD PLAN 262.40/C3.4
MODIFY EXISTING CONTROL STRUCTURE PER STD PLAN 237.00/C3.4
3� INSTALL 60" 0 STORAGE TANK PER STD PLAN 235.00/C3.4
4� INSTALL SOLID LOCKING LID PER STD PLAN 204.10/C3.4
5� SALVAGE AND REUSE EXISTING STRUCTURE, IF POSSIBLE. OTHERWISE, INSTALL NEW STRUCTURE AS
APPROPRIATE
RESTORE EXISTING BIOALTRATION POND PER DETAIL 300/C3.3
7� ADJUST EXISTING WATER VALVE MANHOLE COVER ELEVATION TO FINISH GRADE
g� SIDEWALK CUT AND PLATE PER DETAIL 301/C3.3
CONCRETE STAIRS PER DETAIL 340/C3.5
10 PARALLEL RAMP PER WSDOT STD PLAN F-40.12-03/C3.5
11 SINGLE DIRECTION RAMP PER WSDOT F-40.16-03/C3.5
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CIVIL I STRUCTURAL I SURVEY
46449 1 4815 CENTER STREET I TACOMA, WA. 98409
�IDA � Ib"TE O �c 9' PHONE: (253) 474-9449 I FAX: (253) 474-0153
�st�() �:1L ��� `Q http://www.sittshill.com/
REISSUED F 0 R PERMIT Project No.: 19682 Project Mgr.: DCD
Proj. Engineer: DCD Proj. Drafter: KLK
OCTOBER 30, 2023 R-425413
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING SURFACE WATER UTILITY
SAMorman 12/05/2023 JFarah 12/11/2023
DATE:
WASHINGTON STATE AUTO 2022.11.30
DEALERS ASSOCIATION (WSADA) FIELDBOOK:
PAGE:
621 SOUTHWEST GRADY WAY, RENTON, WA 98057 DRAWING NO:
WSADA BUILDING ADDITION AND IMPROVEMENTS C3.1
GRADING AND STORM DRAINAGE PLAN (PUBLIC) SHEET: OF:
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