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JOINTS IN FILTER FABRIC SHALL BE SPLICED AT
POSTS. USE STAPLES, WIRE RINGS. OR
EQUIVALENT TO ATTACH FABRIC TO POSTS
2"x2' 14 GAUGE WIRE, OR
EQUIVALENT. IF STANDARD
STRENGTH FABRIC USED
FILTER FABRIC —
_44
--I�----=---------I�--
13' MAX. I I 12" MIN
P115T 5PACING MAY BE INCREASED 4'n.4' MIN. TRENCH
J 70 V IF WIRE BACKING 15 USEDI
D I I__J
BACKFILL TRENCH WITH NATIVE SOIL IJ
OR W4' TO 1-112' WASHED GRAVEL
2"x4' WOOD POSTS. STEEL PENCE POSTS, OR EQUIVALENT (TYP.)
NOTES:
L CONDITIONSOFUSE
1.1. SILT FENCE MAY BE USED DOWNSLOPE OF ALL 01STURBED AREAS.
1.2. SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS, NOR IS IT INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOW -ANY CCNCENTRA I EU
FLOW MUST BE CONVEYED THROUGH THE DRAINAGE SYSTEM TO A SEDIMENT TRAP OR POND.
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. THE GEOTEXTILE USED MUST MEET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATIONS MUST BE AVAILABLE ON SITE.
AOS {ASTM D4751 }
30-1W SIEVE SIZE ISmm) FOR SILT FILM
50-100 SIEVE SLZE (P.30.4,15mm) FOR OTHER FABRICS
WATER PERMITTIVITY(ASTM D4491)
0.132 SEC71MINEMUM
GRAB TENSILE STRENGTH (ASTM D"32)
1BD LBS. MIN. FOR EXTRA STRENGTH FABRIC
100 LBS. MIN. FOR STANDARD STRENGTH FABRIC
GRAB TENSILE ELONGATION (ASTM D4s32)
30%MAX. (WOVEN)
ULTRAVIOLET RESISTANCE (ASTM D43551
70% MIN.
2.2- STANDARD STRENGTH FABRIC REOUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE. WIRE BACKING OR CLOSER POST SPACING MAY BE REQUIRED
FOR EXTRA STRENGTH FABRIC IF FIELD PERFORMANCE WARRANTS A STRONGER FENCE.
2.3. WHERE THE FENCE IS ENSTALLED, THE SLOPE SHALL NOT BE STEEPER THAN 2H:1V
2.4- IF A TYPICAL SILT FENCE 18 USED, THE STANDARD 4"X4" TRENCH MAY BE REDUCED AS LONG AS THE ROTtOM 8 INCHES OF THE SILT FENCE FABRIC IS WELL BURIED AND
SECURE IN A TRENCH THAT STABILIZES THE FENCE AND DOES NOT ALLOW WATER TO BYPASS OR UNDERMINE THE SILT FENCE.
2.5. FILTER FABRIC FENCES SHALL BE INSTALLED ALONG CONTOURS WHENEVER POSSIBLE.
3- MAINTENANCE STANDARDS
3.1- ANY DAMAGE SHALL BE REPAIRED IMMEDIATELY.
3.2- IF CONCENTRATED FLOWS ARE EVIDENT UPHILL OF THE FENCE, THEY MUST BE INTERCEPTED AND CONVEYED TO A SEDIMENT TRAP OR POND.
3.3. IT IS IMP-ORTANT TO CHECK THE UPHILL SIDE OF THE FENCE FOR SIGNS OF THE FENCE CLOGGING AND ACTING AS A BARRIER TO FLOW AND THEN CAUSING
CHANNELI ATIDN OF FLOWS PARALLEL 707HE FENCE. IF THIS OCCURS, REPLACE THE FENCE OR REMOVE THE TRAPPED SEDIMENT.
3.4. SEDIMENT MUST BE REMOVED WHEN SEDIMENT IS G INCHES HIGH.
3.5. IF THE FILTER FABRIC (GEOTEXTILE) HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN. C SWILL BE REPLACED.
UNLESS OTNERW15E NOTED, DRAWING 15 NOT To SCALP 1N7 S:
A60+
STD. PLAN - 214.0UR0
PUBLIC WORKS SILT FENCE PR 9/29l2018 Nugv DEPARTMENT GAZ
rook WariaEmmiwi PATE
12' M!N.
LEVEL BOTTOM
I2'MIN.�
-� SWALE SPACING DEPENDS ON SLOPE GRADIENT
2
2 MAx.
MAX. 1r/
NOTES:
1, CONDITIONS OF USE
1.1. REOUIREDAT:
1.1.1. THE TOP OF ALL SLOPES IN EXCESS OF 3H' 1 V 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
2OH:I V (OR LESS)
3-5%
390 FEET
(10 TO 24)H:1V
5-M
2W FEET
(A TO tO)H:1 V
ID-25%
100 FEET
12 TO CH 1V
25-5D%
59 FEET
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. FOR SLOPE$ STEEPER THAN 2HAV WITH MQRE THAN 10 FEET DF VERTICAL RELIEF, BENCHES MAY 136 QQN$TRUCTED OR CLO$€R SPACED
INTERCEPTOR SWALES MAYBE 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 ANDIOR FREQUENCY OF THE SWALES SWILL BE INCREASED.
UNLESS OTHERWISE NOTE), DRAWING 7S NOT TO SCALE (NTSI
•
STD. PLAN - t1i.1D
w PUBLIC WORKS INTERCEPTOR SWALE PPR D 9/28/2018 1
DEPARTMENT GAZ
Nulliv ruder worn DATE
Call 2 Working Days Before You Dig
811
Utilities Underground Location Center
(ID,MT,ND,OR,WA)
R a 2T MIN.
INSTALL DRIVEWAY CULVERT
IF THERE IS A ROADSIDE
DITCH PRESENT, AS PER CITY
ROAD STANDARDS
4%9'QUARRY SPALLS
12' MIN. THICKNESS
I- DRIVEWAYS SHALL BE PAVED TO
THE EDGE OF THE RIGHT-OF-WAY
PRIOR TO INSTALLATION OF THE
CONSTRUCTION ENTRANCE TO
AVOID DAMAGING OF THE
ROADWAY.
2. IT IS RECOMMENDED THAT THE
ENTRANCE BE CROWNED SO THAT
RUNOFF DRAINS OFF THE PAD
$5, MIN.
PROVIDE FULL WIDTH OF
INGRESSIEGRESS AREA
NOTES:
1. CONDRIONOFUSE
1 CON5TRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND TRAVELING ON PAVED ROADS OR OTHER
PAVED AREAS WITH IN 1,000 FEET OF THE SITE.
2. FOR RESIDENTIAL CONSTRUCTION PROVIDE STABILIZED CONSTRUCTION ENTRANCES FOR EACH RESIDENCE IN ADDITION TO THE MAIN SUBDIVISION
ENTRANCE STABILIZED SURFACES SHALL BE OF SUFFICIENT LENGT'HIWIDTH TO PROVIDE VEHICLE ACC ESSIPARKENG. BASED ON LOT SIZEICONFIGURATION.
2 DESIGN AND INSTALLATION SPECIFICATIONS
2.1. A SEPARATION GEOTEX71LE SHALL BE PLACED UNDER THE SPALLS TO PREVENT FINE SEDIMENT FROM PUMPING UP INTO THE ROCK PAD. THE GE07E%TILE
$HALL MEET THE FOLLOWING STANDARDS:
GRAB TENSILE STRENGTH (ASTM D4632)
200 LBS. MIN.
GRAB TENSILE ELONGATION (ASTM D4632)
30% MAX. (WOVEN)
CBR PUNCTURE STRENGTH (ASTM D6241)
4M LBS_ MIN_
ADS (ASTM D4751)
26-45 (U.S. STANDARD SIEVE SIZE)
2.2 DO NOT USE CRUSHED CONCRETE, CEMENT, OR CALCIUM CHLORIDE FOR CONSTRUCTION ENTRANCE STABILIZATION BECAUSE THESE PRODUCTS RAISE PH
LEVELS IN STORMWATER AND CONCRETE DISCHARGE TO SURFACE WATERS OF THE STATE IS PROHIBITED.
2.3. HOG FUEL (WOOD BASED MULCH) MAY BE SUBSTITUTED FOR OR COMSINED WITH QUARRY SPALLS IN AREAS THAT WILL NOT BE USED FOR PERMANENT ROADS.
HOG FUEL tS NOT RECOMMENDED FOR ENTRANCE STA131UZATION IN URBAN AREAS. THE INSPECTOR MAY AT ANY TIME REQUIRE THE USE OF QUARRY SPALLS
IF THE HOG FUEL IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT OR IF THE HOG FUEL IS BEING CARRIED ONTO PAVEMENT.
2.4. FENCING SHALL BE INSTALLED AS NECESSARY 70 RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE
2.5. WHENEVER POSSIBLE. THE ENTRANCE SHALL BE CONSTRUCTED ON A FIRM. COMPACTED SUBGRADE. THIS CAN SUBSTANTIALLY INCREASE THE
EFFECTIVENESS OF THE PAD AND REDUCE THE NEED FOR MAINTENANCE.
3. MAINTENANCE STANDARDS
3.1. QUARRY SPALLS SHALL BE ADDED IF THE PAD IS NO LONGER IN ACCORDANCE WITH THE SPECIFICATIONS.
3.2. IF THE ENTRANCE IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT- THEN ALTERNATIVE MEASURES TO KEEP THE STREETS FREE OF
SEDIMENT SHALL BE USED. THIS MAY INCLUDE STREET SWEEPING. AN INCREASE IN THE DIMENSIONS OF THE ENTRANCE, OR THE INSTALLATION OF A WHEEL
WASH, IF WASHING IS USED. IT SHALL BE DONE ON AN AREA COVERED WITH CRUSHED ROCK, AND WASH WATER SHALL DRAIN TO A SEDIMENT TRAP OR POND.
3.3. ANY SEDIMENT THAT IS TRACKED ONTO PAVEMENT SHALL BE REMOVED IMMEDIATELY BY SWEEPING. THE SEDIMENT COLLECTED By SWEEPING SHALL BE
REMOVED OR STABILIZED ON SITE- THE PAVEMENT SHALL NOT BE CLEANED BY WASHING DOWN THE STREET, EXCEPT WHEN SWEEPING IS INEFFECTIVE AND
THERE IS A THREAT TO PUBLIC SAFETY. IF IT IS NECESSARY TO WASH THE STREETS. A SMALL SUMP MUST BE CONSTRUCTEO. THE SEDIMENT WOULD THEN BE
WASmrb INTO THE SUMP WHERE IT CAN BE CONTROLLED AND DISCmAAGED APPROPRIATELY. WASH WATER MUST 9D PUMPED BACK ONTO THE SITE AND
CANNOT DISCHARGE TO SYSTEMS TRIBUTARY TO SURFACE WATERS.
3.4. ANY QUARRY SPALLS THAT ARE LOOSENED FROM THE PAD AND END UP ON THE ROADWAY 5HALL BE REMOVED IMMEDIATELY.
3.5. IF VEHICLES ARE ENTERING OR EXITING THE SITES AT POINTS OTHER THAN THE CONSTRUCTION ENTRANCE($), FENCING SHALL BE INSTALLED TO CONTROL
TRAFFIC.
UNLESS OTHERWISE NOTED, ORAwING IS NOT TO SCALE (NTSI
STD. PLAN - Z15.1D
w} PUBLIC WORKS APPRpyED:
2- DEPARTMENT STABILIZED CONSTRUCTION ENTRANCE GAZ 9/28/2018 I
F.-1. I, ae(. DAYE
F-C ROCK
f ME
wom =--
SECTION A
L
L • THE DISTANCE SUCH THAT POINTS B 1A" MIN-
A AND B ARE OF EQUAL ELEVATION
t ,
BOTTOM OF DITCH
SECTION B
NOTES:
1. CONDTONS 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 O INCHES SHALL BE REMOVED SO THAT THE CHARNEL 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 NOTE). DRAWING 15 NOT TO SCALE (NTSI
STD. PLAN - �17.40
w • PUBLIC WORKS DITCH CHECK DAMS PPR D- 9/28/2018 1
DEPARTMENT GAZ
NUIVruolk won. Odmiilxriior DATE
®CONSULTING 33400 8thAvenue South ENGINEERS LLC CO
Suite 205 I® I I I m
Federal Way, WA 98003
FEDERAL WAY (253) 838-8113
www.esmcivil.com EVERETT (425) 297-9900 -Q
Civil Engineering Land Surveying Land Planning �Q ,p 51
Public Works I Project Management I Landscape Architecture , &/
SS,
ESM JOB #41 1-004-023 ^
`'4
L�/14/2045 N0.
REVISION
5' MAX.
DRAINAGE GRATE TRIM
GRATE FRAME _
OVERFLOW BYPASS
1
BELOW INLET GRATE DEVICE
SEDIMENT AND DEBRIS
FILTERED
WATER
SECTION VIEW
DRAINAGE GRATE
(RECTANGULAR GRATE SHOWNI RETRIEVAL SYSTEM (TYP.)
1J II i. I
OVERFLOW BYPASS (TYP-)
BELOW INLET GRATE DEVICE
ISOMETRIC VIEW
NOTES:
1. PROTEC13ON SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS ❑OWNSLOPE AND WITHIN 500 FEET QF A DISTURBED OR
CONSTRUCTION AREA, 1JNI_E55 THE RUN-OFF THAT ENTER$ THE CATCH BASIN WILL BE CONVEYED TO A SEDIMENT POND OR TRAP.
2, INLET PROTECTION SHALL BE USED TO PROTECT THE DRAINAGE SYSTEM.
3, THE CONTRIBUTING DRAINAGE AREA MUST NOT BE LARGER THAN ONE ACRE,
4. SIZE THE BELOW INLET GRATE DEVICE (BIGDI FOR THE STORMWATER STRUCTURE IT WILL SERVICE
S. THE BIGD SHALL HAVE A BUILT-IN HIGH-FLGW RELIEF SYSTEM (OVERFLOW BYPASS).
B. THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE BIGD WITHOUT SPILLING THE COLLECTED MATERIAL
T, PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION "1,3(15)
6, ANY SEDIMENT IN THE CATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED ONE-THIRD OF THE AVAILABLE
STORAGE. THE FILTER MEDIA FOR THE INSERT SHALL BE CLEANED OR REPLACED AT LEAST MONTHLY.
UXLE5S VINERWISE NOTED, DRAWING 15 "Ot TO SCALE (NTSI
STD. PLAN - 216.30
w PUBLIC WORKS APP18E°,
DEPARTMENT CATCH BASIN INSERT GAZ 9/28/2018 1
N*Wr.Rr w.Is mmmxour RATE
BY I DATE
SURVEYED:
SCALE:
DESIGNED:
8ML
DRAWN: CJ
CHECKED
AP P R I APPROVED
\'IP]
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
DATU M
1 C TY OF
RENTON
Planning/Building/Public Works Dept.
R-431508
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
E
PMENT ENGINEERING `nh 04/17/2025
SOPHIE JO SHORT PLAT
GRADING & T.E.S.C. DETAILS & NOTES
UTILITY PERMIT #
DATE:
11/19/24
PAGE
DRAWING NO:
GR-03
SHEET: OF:23