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DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
LEVEL BOTTOM
12" M
�2'MIN.�
SWALE SPACING DEPENDS ON SLOPE GRADIENT
2
2 MAX.
MAX. 1 F
�1
NOTES:
1. CONDITIONS OF USE
1.1. REQUIRED AT:
1.1.1. THE TOP OF ALL SLOPES IN EXCESS OF 3H:1V AND WITH MORE THAN 20 FEET OF VERTICAL RELIEF.
1.1.2. AT INTERVALS ON ANY SLOPES THAT EXCEEDS THE DIMENSIONS SPECIFIED BELOW.
AVERAGE SLOPE
SLOPE PERCENT
FLOW PATH LENGTH
20H:1V (OR LESS)
3-5 %
300 FEET
(10 TO 20)HA V
5-10 %
200 FEET
(4TO10)HAV
10-25%
100FEET
(2 TO 4)H:1 V
25-50 %
50 FEET
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. FOR SLOPES STEEPER THAN 2HAV WITH MORE THAN 10 FEET OF VERTICAL RELIEF, BENCHES MAY BE CONSTRUCTED OR CLOSER SPACED
INTERCEPTOR SWALES MAY BE USED. THE DESIRED MEASURE MUST BE DESIGNED BY AN ENGINEER TO EFFECTIVELY INTERCEPT THE HIGH VELOCITY
RUNOFF TO A SEDIMENT POND OR TRAP.
2.2. CONSTRUCTION TRAFFIC OVER TEMPORARY SWALES SHALL BE MINIMIZED.
3. MAINTENANCE STANDARDS
3.1. DAMAGE RESULTING FROM RUNOFF OR CONSTRUCTION ACTIVITY SHALL BE REPAIRED IMMEDIATELY.
3.2. IF THE FACILITIES DO NOT REGULARLY RETAIN STORM RUNOFF, THE CAPACITY AND/OR FREQUENCY OF THE SWALES SHALL BE INCREASED.
UNLESS OTHERWISE NOTED, DRAWING IS NOTTO SCALE (NITS)
STD. PLAN - 217.10
• PUBLIC WORKS PPR o:
DEPARTMENT INTERCEPTOR SWALE GqZ 9/28/2018 1 ( Rl
IRUIV
Public Works AEmiois-to, DATE
INTERCEPTOR SWALE
NTS
04.00, C4.01
:45 AN
NW 1/4 OF NW 1/4 & THE NE 1/4 OF NW 1/4 SEC 9, TWN 23 N, RGE05E,W.M.
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
SECTION A
NOTES:
1. CONDITIONS OF USE
1.1. WHERE THERE IS CONCENTRATED RUNOFF FROM DISTURBED AREAS TO AND FROM SEDIMENT PONDS OR TRAPS.
1.2. TO CONVEY RUNOFF INTERCEPTED FROM UNDISTURBED AREAS AROUND THE SITE TO A NON -EROSIVE DISCHARGE POINT.
2. MAINTENANCE STANDARDS
2.1. ANY SEDIMENT DEPOSITION OF MORE THAN 6 INCHES SHALL BE REMOVED SO THAT THE CHANNEL IS RESTORED TO ITS ORIGINAL DESIGN CAPACITY.
2.2. THE CHECK DAMS SHALL BE EXAMINED FOR SIGNS OF SCOURING AND EROSION OF THE BED AND BANKS. IF SCOURING AND EROSION HAS OCCURRED,
AFFECTED AREAS SHALL BE PROTECTED BY RIPRAP OR AN EROSION CONTROL BLANKET OR NET.
UNLESS OTHERWISE NOTED, DRAWING IS NOTTO SCALE (NTS)
STD. PLAN - 217.40
PR
PUBLIC WORKS PPR D: DEPARTMENT DITCH CHECK DAMS GqZ 9/28/2018
Public Works Aftin-ato, DATE
CHECK DAM
• Call 811
• • two business days
before you dig
2 CIVIL CONSTRUCTION PERMIT — 3RD SUBMITTAL
1 CIVIL CONSTRUCTION PERMIT — 2ND SUBMITTAL
0 CIVIL CONSTRUCTION PERMIT
NO. REVISION
NTS
SURVEYED:
ZLN
DESIGNED:
MDR
JSF
12/8/2025
JSF
JSF
08/31/2025
JSF
°RPWN' RAG
MDR
05/27/2024
JSF
CHECKED:
MNF
BY
DATE
APPR
APPROVED:
JSF
C4.00, C4.01
:45 AN
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
6" SEWER PIPE WITH BUTTERFLY VALVES
8'x8' SUMP WITH 5' OF CATCH
TO ACCOMMODATE
CLEANING BY TRACKHOE
15' ATB APRON TO
PROTECT GROUND FROM
SPLASHING WATER —
2%SLOPE I 5HAV
J J
15' 15'
6" ATB OVER CRUSHED BASE MATERIAL
OR 8" ATB OVER A GOOD SUBGRADE —
3" TRASH PUMP WITH FLOATS ON SUCTION HOSE
2" SCH 40
1 1/2" SCH 40 FOR SPRAYERS
u
MIDPOINT SPRAY
o wa I I NOZZLES, IF NEEDED
75 5HAV 2%SLOPE
LOCATE INVERT OF TOP PIPE 12" TO
14" ABOVE BOTTOM OF WHEEL WASH
8'x8' SUMP TO ACCOMMODATE
CLEANING BY TRACKHOE
5'
ATB CONSTRUCTION ENTRANCE
BALL VALVE (TYP.) ASPHALT CURB ON THE LOW ROAD SIDE
TO DIRECT WATER BACK TO POND
PLAN VIEW 6" SLEEVE UNDER ROAD
20' 15'
i
ELEVATION VIEW
DRAIN PIPE WITH
BUTTERFLY VALVE
18.
T
EVEL,12TO 14" DEEP
50'
6" SLEEVE
�12'�
CURB
3'
SECTION A
NOTES:
1. CONDITIONS OF USE
1.1. WHEN A STABILIZED CONSTRUCTION ENTRANCE IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT, WHEEL WASHING IS GENERALLY AN EFFECTIVE
EROSION AND SEDIMENT CONTROL METHOD AND BMP WHEN INSTALLED WITH CAREFUL ATTENTION TO TOPOGRAPHY.
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. USE A LOW CLEARANCE TRUCK TO TEST THE WHEEL WASH BEFORE PAVING. EITHER A BELLY DUMP OR LOWBOY WILL WORK WELL TO TEST CLEARANCE.
2.2. MIDPOINT SPRAY NOZZLES ARE ONLY NEEDED IN VERY MUDDY CONDITIONS.
2.3. POLYACRYLAMIDE (PAM) ADDED TO WHEEL WASHWATER AT A RATE OF 0.25-0.5 POUNDS PER 1,000 GALLONS OF WATER INCREASES EFFECTIVENESS AND REDUCES
CLEANUP TIME. IF PAM IS ALREADY BEING USED FOR DUST OR EROSION CONTROL AND IS BEING APPLIED BY A WATER TRUCK, THE SAME TRUCK MAY BE USED TO
CHANGE THE WASHWATER.
3. MAINTENANCE STANDARDS
3.1. THE WHEEL WASH SHOULD START OUT EACH DAY WITH CLEAN, FRESH WATER.
3.2. THE WASHWATER SHOULD BE CHANGED A MINIMUM OF ONCE PER DAY. ON LARGE EARTHWORK JOBS WHERE MORE THAN 10 TO 20 TRUCKS PER HOUR ARE EXPECTED,
THE WASHWATER WILL NEED TO BE CHANGED MORE OFTEN.
3.3. WHEEL WASH OR TIRE BATH WASHWATER SHALL BE DISCHARGED TO A SEPARATE ONSITE TREATMENT SYSTEM, SUCH AS A CLOSED -LOOP RECIRCULATION SYSTEM OR
LAND APPLICATION, OR TO THE SANITARY SEWER SYSTEM WITH PROPER APPROVAL AND/OR PERMITS FROM KING COUNTY AND THE CITY OF RENTON.
UNLESS OTHERWISE NOTED, DRAWING IS NOTTO SCALE (NTS)
STD. PLAN - 215.00
• PUBLIC WORKS WHEEL WASH AND PAVED PPR °:
DEPARTMENT CONSTRUCTION ENTRANCE GqZ 9/28/2018
Public Works AEmiois-to, DATE
WHEEL WASH
�� pF WASgI
39847 1601 5th Avenue, Suite 1600
�EGISTEg�� ���4 Seattle, WA 98101
IONAL E206.622.5822
12/09/2025 www.kpff.com
HGRIZOMA-N D 1983/11991 Altlil, CITY OF
AR
RENTON
Planning/Building/Public Works Dept.
NTS
C4.00, C4.01
:45 AN
R-43631 1
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING
HBray 12/31 /2025
SOLERA TOWNHOMES
2842 NE SUNSET BLVD
RENTON, WA 98056
TESC DETAILS
DATE:
05/30/202
PAGE:
DRAWING NO:
C4.1 1
SHEET:OF. 11 55
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