HomeMy WebLinkAboutR-434408lqt DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
co
I
I
W
I-
2
2 MAX.
LEVEL BOTTOM MAX,
1 1 F
12" MIN.
�- 2' MIN. -�
-� SWALE SPACING DEPENDS ON SLOPE GRADIENT
NOTES:
1. CONDITIONS OF USE
1.1. REQUIRED AT:
1.1.1. THE TOP OF ALL SLOPES IN EXCESS OF 3HAV 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:1 V (OR LESS)
3.5 %
300 FEET
(10 TO 20)H'AV
5-10%
200 FEET
(4 TO 10)H,1V
10-25%
100 FEET
(2TO4)HAV
25-50%
50FEET
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 NOT TO SCALE (NTS)
STD. PLAN - 217.10
• PUBLIC WORKS INTERCEPTOR SWALE PPR D. 9/28/2018
DEPARTMENT GAZ
DATE
RUNOFF WITH
SEDIMENT
5%
FILTERED RUNOFF
z
0
m
WATER LEVEL
NTS
Interceptor Swale
6"=12" PERFORATE
PIPE AS NECESSARY
TOP OF PIPE SHALL BE
6" MIN ABOVE GRADE
PROVIDE SOLID COVER
DISCHARGE TO SEDIMENT
POND VIA TEMP FORCE MAIN
1 /
...
0 0 0
0 0 0
...
...
0 0 0
..0 .
0 0
0 0 0
0 0 0
0 0 0
...
...
0 0 0
0 0 0
y..
-
..�� 0 C
.�
... 0 C
PROVIDE 12" MIN
WASHED ROCK AROUND
PERIMETER OF PIPE
WRAP WITH PERMEABLE
FILTER FABRIC
24"-36" PVC OR HDPE PIPE
W/ 2" DIA WEEP HOLES OR
APPROVED EQUAL
WIRE TIES
SUMP PUMP AND MOTOR
CONCRETE BLOCKS
:45 AN
NTS
_(
Temporary Sump and Pump
JACOBSON
Jr. CONSULTING ENGINEERS
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
2"x2" 14 GAUGE WIRE, OR
EQUIVALENT, IF STANDARD
STRENGTH FABRIC USED
FILTER FABRIC
7 MIN.
6' MAX.
1r MIN.
POST SPACING MAY BE INCREASED I I I
4'x4" MIN. TRENCH
TO T IF WIRE BACKING IS USED I I I I�
;UI BACKFILL TRENCH WITH NATIVE SOIL
OR 3l4" TO 1-112' WASHED GRAVEL
2"x4" WOOD POSTS, STEEL FENCE POSTS, OR EQUIVALENT (TYP.)
NOTES:
1. CONDITIONS OF USE
1.1. SILT FENCE MAY BE USED DOWNSLOPE OF ALL DISTURBED AREAS.
1.2. SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS, NOR IS IT INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOW. ANY CONCENTRATED
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)
30-100 SIEVE SIZE (0.60-0.15mm) FOR SILT FILM
50-100 SIEVE SIZE (0.30.0.15mm) FOR OTHER FABRICS
WATER PERMITTIVITY (ASTM D4491)
0.02 SEC-' MINIMUM
GRAB TENSILE STRENGTH (ASTM D4632)
180 LBS. MIN. FOR EXTRA STRENGTH FABRIC
100 LBS. MIN. FOR STANDARD STRENGTH FABRIC
GRAB TENSILE ELONGATION (ASTM 1)4632)
30% MAX. (WOVEN)
ULTRAVIOLET RESISTANCE (ASTM D4355)
70% MIN.
2.2. STANDARD STRENGTH FABRIC REQUIRES 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 INSTALLED, THE SLOPE SHALL NOT BE STEEPER THAN 2H:1V
2.4. IF A TYPICAL SILT FENCE IS USED, THE STANDARD 4"X4" TRENCH MAY BE REDUCED AS LONG AS THE BOTTOM 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 IMPORTANT TO CHECK THE UPHILL SIDE OF THE FENCE FOR SIGNS OF THE FENCE CLOGGING AND ACTING AS A BARRIER TO FLOW AND THEN CAUSING
CHANNELIZATION OF FLOWS PARALLEL TO THE FENCE. IF THIS OCCURS. REPLACE THE FENCE OR REMOVE THE TRAPPED SEDIMENT.
3.4. SEDIMENT MUST BE REMOVED WHEN SEDIMENT IS 6 INCHES HIGH.
3.5. IF THE FILTER FABRIC (GEOTEXTILE) HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED.
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
STD. PLAN - 214.00
1DR)
PUBLIC WORKS SILT FENCE PR 9/28/2018 1
DEPARTMENT GAZ
DATE
NTS
Silt Fence
5/8" WIRE ROPE PROVIDE SECURE 1
END ATTACHMENT AT CORNER AND
GATE POSTS AND PROVIDE RUNNING
ATTACHMENT AT LINE POSTS AND
NEAR CENTER OF EACH FENCE PANEL
TRUSS ROD 3/8" DIA TOP RAIL
W/ TENSION DEVICE 1.666 INCH O.D.
STRETCHER LINE POST (TYP)
BAR 2.375 INCH O.D.
BRACE RAIL J TENSION WIRE
AND CABLE CONCRETE BLOCK
1.666 INCH O.D.
STD WGT GALVANIZED
CORNER POST
NTS
Construction Fencing
CIVIL CONSTRUCTION PERMIT
43667
IST1 g�1
NAL NO. REVISION
:45 Al`
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
aOPO
R = 25' MIN. �-
INSTALL DRIVEWAY CULVERT
IF THERE IS A ROADSIDE
DITCH PRESENT, AS PER CITY
ROAD STANDARDS
4"-B" QUARRY SPALLS
GEOTEXTILE
12" MIN. THICKNESS
100' MIN.
1. 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
15' MIN.
PROVIDE FULL WIDTH OF
INGRESSIEGRESS AREA
NOTES:
1. CONDITION OF USE
1.1. CONSTRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND TRAVELING ON PAVED ROADS OR OTHER
PAVED AREAS WITHIN 1,000 FEET OF THE SITE.
1.2. FOR RESIDENTIAL CONSTRUCTION PROVIDE STABILIZED CONSTRUCTION ENTRANCES FOR EACH RESIDENCE IN ADDITION TO THE MAIN SUBDIVISION
ENTRANCE. STABILIZED SURFACES SHALL BE OF SUFFICIENT LENGTHANIDTH TO PROVIDE VEHICLE ACCESSIPARKING, BASED ON LOT SIZE/CONFIGURATION.
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. A SEPARATION GEOTEXTILE SHALL BE PLACED UNDER THE SPALLS TO PREVENT FINE SEDIMENT FROM PUMPING UP INTO THE ROCK PAD. THE GEOTEXTILE
SHALL 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)
495 LBS. MIN.
ADS (ASTM D4751)
20-45 (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 COMBINED WITH QUARRY SPALLS IN AREAS THAT WILL NOT BE USED FOR PERMANENT ROADS.
HOG FUEL IS NOT RECOMMENDED FOR ENTRANCE STABILIZATION 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 TO 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 CONSTRUCTED. THE SEDIMENT WOULD THEN BE
WASHED INTO THE SUMP WHERE IT CAN BE CONTROLLED AND DISCHARGED APPROPRIATELY. WASH WATER MUST BE 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 SHALL BE REMOVED IMMEDIATELY.
3.5. IF VEHICLES ARE ENTERING OR EXITING THE SITES AT POINTS OTHER THAN THE CONSTRUCTION ENTRANCEIS), FENCING SHALL BE INSTALLED TO CONTROL
TRAFFIC.
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
STD. PLAN - 215.10
CRAPv� PUBLIC WORKS STABILIZED CONSTRUCTION ENTRANCE
GYAZ 9/28/2018 I
DEPARTMENT
DATE
NTS
Stabilized Construction Entrance
:45
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
TREE PROTECTION ZONE (TPZ) FENCE DETAIL
PROTECTION MEASURES DURING CONSTRUCTION:
1. Chain link fencing is required around the drip line of
trees required to be retained, or around required tree
protection tracts/easements. 41.
2. The fence shall be a minimum of 6-feet high.
3. Steel posts shall be driven at a depth to ensure the fence
remains in an upright position for the duration of the
development.p
4. Tree protection signage shall be placed at intervals of no d'Y y
more than 20-feet along the entire fence. See link below f
for signage specifications. �' ti y ti"
5. Storage, fill, excavation, earth compaction, or dumping
of liquids or materials is prohibited in fenced area. 6-FOOT
6. Utilities or impervious surface installation is prohibited REQUIRED tip, CHAIN LINK
within the tree drip line. SIGNAGE FENCE
7. Grade changes are prohibited within the tree drip line.
8. Removal of the existing vegetation within the drip line of
TREE
protected trees is prohibited. PROTECTION
9, All areas within the required fencing shall be covered SIG
...................
evenly with a minimum of 3-inches of bark mulch, except
in areas where mulch will adversely affect protected 1
ground cover plants.
10. For protected trees subject to a land use decision, the
applicant shall retain an ISA certified arborist or ASCA UNDISTURBED
certified consultant to supervise fence installation, DRIVEN STEEL MAINTAIN
monitor tree health, and prune trees. POSTS EXISTING VEGETATION
WITH 3-INCHES
GRADE MULCH
IN
/21/25
JAJ
SURVEYED:
IN
/14/25
JAJ
DESIGNED:
ACW
IN/06/25
JAJ
DRAWN:
DJD/AJJ
CHECKED:
JAJ
BY
DATE
APPR
APPROVED:
JAJ
CITY OF Planning Division
Renton O 1055 South Grady Way
Renton, WA 98057
425-430-7200 I www.rentonwa.gov PAGE 1 OF 3
SCALE:
1"=20'
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
DATUM
5" MAX.
DRAINAGE GRATE TRIM
GRATE FRAME _
C_ OVERFLOW BYPASS
i
BELOW INLET GRATE DEVICE
SEDIMENT AND DEBRIS '
b
FILTERED
WATER
SECTION VIEW
DRAINAGE GRATE
(RECTANGULAR GRATE SHOWN) RETRIEVAL SYSTEM (TYP.)
OVERFLOW BYPASS (TYP.)
BELOW INLET GRATE DEVICE
ISOMETRIC VIEW
NOTES:
1. PROTECTION SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE AND WITHIN 500 FEET OF A DISTURBED OR
CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS 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 (BIGD) FOR THE STORMWATER STRUCTURE IT WILL SERVICE.
5. THE BIGD SHALL HAVE A BUILT-IN HIGH -FLOW RELIEF SYSTEM (OVERFLOW BYPASS).
6. THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE BIGD WITHOUT SPILLING THE COLLECTED MATERIAL.
7. PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION 8-01.3(15).
8. 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,
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
STD. PLAN - 216.30
•• PUBLIC WORKS APPR ED:
sI� DEPARTMENT CATCH BASIN INSERT GqZ 9/2s/2o1s
DATE
NTS
Inlet Protection
ROCK MUST COMPLETELY COVER
THE BOTTOM AND SIDES OF THE DITCH
6" MIN.
24" MIN.
CROSS SECTION
2H:1V SLOPES
LAL
STANCE SUCH THAT POINTS
RE OF EQUAL ELEVATION
B ` 2"- 4" ROCK
L T /
CHECK DAM SPACING
:45 A'
NTS(:
n
Check Dam a
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING
Ar% IL
HBray 06/24/2025 0:]
NTS
Tree Protection
CITY OF
RENTON
.
Planning/Building/Public Works Dept.
LINDBERGH HIGH SCHOOL
FIELD IMPROVEMENTS
TESC DETAILS
DATE:
02-21-25
FIELDBOOK:
PAGE:
DRAWING NO:
C110
SHEET:
OR
8
OF 42
d�
O
O
N
�J
W
O
O
C)
O
II
L J
N
r�1
/-
LJ
O
O
C)
O
1
L J
N
J
R-434408