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KEY NOTES
TEMPORARY DRAINPIPE OR
FLEXIBLE HOSE (02.5" MIN) TO
KEY
DESCRIPTION
DETAIL/
23
SERVE AS CONSTRUCTION
-
SHEET
STORMWATER OFFSITE POINT OF
DISCHARGE TO EX CB
O
EX WALL TO BE REMOVED
_
24
INSTALL 36 LF MIN INTERCEPTOR
D/D02
O
REM EX TEL RISER
-
SWALE
O
REM EX POWER VAULT & CONDUIT
_
INSTALL CULVERT BENEATH
25
CONSTRUCTION ENTRANCE TO
-
REM EX SERVICE FROM BLDG TO
CONNECT INTERCEPTOR SWALES
O
WATER METER AND/OR HOSE BIB
-
INSTALL 133 LF MIN INTERCEPTOR
WITH AVB INSTALLED (TYP)
26
O
SWALE
D/D02
O
REM EX TELEPHONE LINE
-
340 SF (MEASURED AT WEIR
27
HEIGHT) LINED SEDIMENT TRAP W/
E/D02
ALL EX BUILDINGS AND HARD
MOVEABLE SUMP PUMP
(DSURFACES
ONSITE TO BE
-
UTILIZE ORANGE PROTECTION
FENCING AS -NEEDED TO PROTECT
REMOVED
O
REM EX FENCE ON -SITE (TYP)
-
SUBGRADE OF PROPOSED
INFILTRATION FACILITIES FROM
O
REM EX CB ON -SITE
-
28
COMPACTION DURING
CONSTRUCTION WHEN FEASIBLE.
-
REM EX MONITORING WELL PER
O
WA DEPARTMENT OF ECOLOGY
-
IF COMPACTION OCCURS, SCARIFY
REQUIREMENTS (TYP)
SUBGRADE TO ITS ORIGINAL
STATE AND OBTAIN
REM EX SD ON -SITE AND CAP AT
PROPERTY LINE. 4" STORM DRAIN
GEOTECHNICAL APPROVAL PRIOR
SHALL NOT BE REMOVED UNTIL IT
TO PLACING DRAIN ROCK (TYP)
SEDIMENT TRAP OUTLET
0
IS CONFIRMED THAT NO OFF -SITE
-
DRAINAGE FROM THE 5TH AVE S
(KEYNOTES 23 & 11) TO BE
ROW DISCHARGES TO IT OR THE
TRANSFERRED TO SITE'S
ON -SITE CATCH BASIN (KEYNOTE 8)
PERMANENT OFFSITE
STORMWATER POINT OF
SAMPLING PORT IN SEDIMENT
11
TRAP OUTLET FOR TURBIDITY
_
DISCHARGE WHEN ALLEY PSD IS
MONITORING
COMPLETED (ALLEY PSD UNDER
SEPARATE PERMIT BLD2022-0694).
12
REM EX SIGN
-
SEQUENCE CONSTRUCTION TO
COMPLETE PSD PRIOR TO ONSITE
REM EX POWER SERVICES TO
PROPERTY TO BE
DEMOLITION IF NEEDED TO
13
DECOMMISSIONED PRIOR TO
_
29
FACILITATE DISCHARGE OF
-
DEMOLITION OF STRUCTURES
CLARIFIED (POST -SEDIMENTATION)
(TYP)
ONSITE CONSTRUCTION
STORMWATER TO THE PUBLIC
DRAINAGE SYSTEM. SAMPLING
14
REM EX ELECTRICAL METER (TYP)
-
FOR TURBIDITY MONITORING TO
CUT & CAP EX WATER SERVICE AT
15
PL
-
BE COMPLETED ONSITE WITHIN
EITHER PROPOSED CB
INSTALL APPROXIMATELY 281 LF
(COMPLETED UNDER
SPERIMETER
S
PROTECTION.
A&F/D02
BLD2022-0694) OR TEMPORARY
*INSTALL J-HOOKS AS NECESSARY
SAMPLING PORT IN SEDIMENT
TO INCREASE RETENTION TIME
TRAP OUTLET
17
INSTALL 246 LF HIGH VISIBILITY
_
EX 1" WATER SERVICE TO BE CUT
FENCE
3
& CAPPED NEAR PL FOR REUSE.
MODIFY SERVICE TO INCLUDE
-
PRELIMINARY STOCKPILE
18
LOCATION. FINAL LOCATION TBD
-
HOSE SPIGOT & AVB ON METER
BY CONTRACTOR
OUTLET
19
INSTALL TEMPORARY STABILIZED
C/D02
31
CUT & CAP EX SANITARY SIDE
CONSTRUCTION ENTRANCE
SEWER AT PL
PROTECT CB DURING
CONSTRUCTION & INSTALL
32
APPROX LOCATION OF TEST PIT
_
20
0
g/D02
PER GEOTECHNICAL REPORT
TEMPORARY STORM DRAIN INLET
CUT & CAP EX 10" SD @ PL. 10" SD
PROTECTION
33
WEST OF PROJECT SITE TO BE
-
INSTALL TEMPORARY STORM
ABANDONED IN PLACE
21
DRAIN INLET PROTECTION TO ALL
g/D02
*INSTALL
STORM DRAIN INLETS 50'
PERIMETER PROTECTION SUCH AS
SILT
DOWNSTREAM OF PROPERTY LINE
FENCING,
(PER F/D02)
COMPOST SOCKS, OR STRAW WATTLES
IN ACCORDANCE WITH VOL. II OF
THE
SWEEP STREETS DAILY OR AT
DOE (2014
AMENDED) STORMWATER MANAGEMENT
22
MORE FREQUENT INTERVALS AS
_
MANUAL
FOR WESTERN WASHINGTON
NEEDED
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GENERAL NOTES
1. A SEPARATE RIGHT-OF-WAY CONSTRUCTION PERMIT IS REQUIRED FOR ALL
WORK WITHIN THE CITY RIGHT-OF-WAY.
2. INSTALL AND MAINTAIN ALL TESC MEASURES ACCORDING TO APPROVED
PLANS, CITY OF EDMONDS STANDARD DETAILS, AND ALL OTHER MEASURES
THAT MAY BE REQUIRED DURING CONSTRUCTION.
3. NO CONSTRUCTION STORMWATER DISCHARGE OVER 5 NTU WILL ENTER THE
PUBLIC STORM SYSTEM. THIS WILL REQUIRE CLOSE MONITORING BY SITE
CESCL.
4. SIDE SEWER LOCATIONS ARE APPROXIMATE AND SHALL BE FIELD VERIFIED
PRIOR TO BUILDING DEMOLITION. REMOVE ALL ON -SITE SIDE SEWERS AND CAP
AT THE PROPERTY LINE USING A TWIST PLUG.
5. DUMPING WILL BE AT APPROVED DUMP SITES ONLY.
6. EXCAVATION OF INFILTRATION AREAS SHALL NOT BE ALLOWED DURING WET
OR SATURATED CONDITIONS
7. CONTRACTOR ENSURE PROPER SEDIMENT CONTROLS ARE PROVIDED
THROUGHOUT CONSTRUCTION.
8. CITY OF EDMONDS WILL NOT FINAL DEMO PERMIT UNTIL SITE IS
PERMANENTLY STABILIZED OR FILL/GRADE PERMIT HAS BEEN ISSUED.
. • . .
LEGEND:
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3
OF
2
APPROVAL FOR CONSTRUCTION
CITY OF EDMONDS
SHEET NUMBER
DEMOLITION PERMIT
DATE:
D01
BLD2022-1612 & BLD2022-1614
BY:
CITY ENGINEERING DIVISION
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71
2" x 2" WOOD/STEEL
FILTER FABRIC SECURED
TO 2" x 2" 14 GA
WIRE FABRIC EQUAL
NATIVE BACKFILL MATERIAL
FILTER FABRIC MATERIAL IN CONTINOUS ROLLS
USE STAPLES OR WIRE RINGS TO ATTACH
FABRIC TO WIRE
0
I
N
NOTES:
1. CONTRACTOR/DEVELOPER SHALL MAINTAIN AND ENSURE PROPER
EROSION CONTROL THROUGHOUT PROJECT. CITY INSPECTION REQUIRED ON
2. SILT FENCE TO BE PLACED DOWNSLOPE OF CONSTRUCTION ALL EROSION CONTROL METHODS
ACTIVITY. BEFORE OTHER WORK CAN BEGIN
REVISION DATE
FILTER FABRIC FENCE
CITY OF EDMONDS JANUARY 2018
FILTRATION SYSTEMS
PUBLIC WORKS STANDARD
DEPARTMENT DETAIL
s t g 9 APPROVED BY: R. ENGLISH E R— 9 0 0
GRATE
FILTER SOCK WITH
OVER FLOW HOLES
(TYP)
--I VI I .iIN Ull
NOTES:
CATCH BASIN
1. CONTRACTOR/DEVELOPER SHALL MAINTAIN
THIS APPLICATION AT ALL TIMES DURING
CONSTRUCTION PERIOD.
2. ANY SEDIMENT IN CATCH BASIN INSERT
SHALL BE REMOVED WHEN INSERT IS
ONE-THIRD FULL.
3. CITY INSPECTION REQUIRED ON ALL
EROSION CONTROL METHODS BEFORE
OTHER WORK CAN BEGIN.
\� REVISION DATE
TEMPORARY JANUARY 2018
DDD'r CITY OF EDMONDS SEDIMENT TRAP
PUBLIC WORKS FOR CATCH BASINS STANDARD
DEPARTMENT DETAIL
s t I g g APPROVED BY: R. ENGLISH E R— 9 02
TES:
LLS
A
TH
IN
DE FULL WIDTH
GRESS/EGRESS
DETAIL NOTES:
O THE MINIMUM LENGTH SHALL BE EXTENDED AS NECESSARY TO ENSURE MATERIAL IS NOT TRACKED OFF SITE
AND/OR INTO THE PUBLIC RIGHT-OF-WAY.
O ATB DRIVEWAY RAMP AND/OR SITE ACCESS ROAD 15' WIDE MIN. SEE TABLE BELOW FOR REQUIRED LENGTH.
NOTES:
1. SURFACE WATER - ALL SURFACE WATER FLOWING OR DIVERTED TOWARD CONSTRUCTION ENTRANCES SHALL BE PIPED
ACROSS THE ENTRANCE. IF PIPING IS IMPRACTICAL, A MOUNTABLE BERM WITH 5:1 SLOPES WILL BE PERMITTED.
2. MAINTENANCE - THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOWING
OF SEDIMENT OFF SITE AND/OR ONTO PUBLIC RIGHT-OF-WAY. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH
ADDITIONAL QUARRY SPALLS AS CONDITIONS DEMAND AND REPAIR AND/OR CLEANOUT OF ANY MEASURES USED TO
TRAP SEDIMENT. ALL SEDIMENT SPILLED, DROPPED, WASHED OR TRACKED OFF SITE AND/OR ONTO PUBLIC
RIGHT-OF-WAY MUST BE REMOVED IMMEDIATELY.
3. WHEELS SHALL BE CLEANED TO REMOVE SEDIMENT PRIOR TO LEAVING THE SITE. WHEN WASHING IS USED, IT SHALL
BE DONE ON AN AREA STABILIZED WITH QUARRY SPALLS AND WHICH DRAINS INTO AN APPROVED SEDIMENT TRAPPING
DEVICE.
4. INSPECTION AND NEEDED MAINTENANCE SHALL BE PROVIDED AFTER EACH RAIN.
*PROVIDE ATB OR ASPHALT
TRANSITION WHERE FRONTAGE
ROAD IS AN ARTERIAL.
LENGTH TO BE DETERMINED
BY CITY INSPECTOR. CITY INSPECTION REQUIRED ON
ALL EROSION CONTROL METHODS
BEFORE OTHER WORK CAN BEGIN
REVISION DATE
CITY OF EDMONDS STABILIZED CONSTRUCTION JANUARY 2018
4T.ffl ENTRANCE PUBLIC WORKS STANDARD
DEPARTMENT DETAIL
Fs f I g 9 APPROVED BY: R. ENGLISH E R— 9 01
PROJECT
SIZE
MIN LENGTH OF (FEET)
QUARRY SPALLS*
< 1/4 ACRE
30
< 1 ACRE
50
< 3 ACRE
100
> 3 ACRE
100
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PER COE STANDARD PLAN ER-900 PER CITY OF EDMONDS STANDARD DETAIL ER-902 D01 PER CITY OF EDMONDS STANDARD DETAILS ER-901 D01 CO n
D01 I i
e:
3.1
54914:?
FIGURE C.3.12.A INTERCEPTOR DIKE
DIKE MATERIAL COMPACTED
90% MODIFIED PROCTOR
2 MAX.
0� 2' MIN. 2 MAX. 1
18" MIN. �
1 ,
DIKE SPACING DEPENDS ON SLOPE GRADIENT
FIGURE C.3.12.13 INTERCEPTOR SWALE
2:1 MAX. SLOPE
LEVEL BOTTOM \�
1' MIN.
► 2' MIN.
SWALE SPACING DEPENDS ON SLOPE GRADIENT
INTERCEPTOR SWALE
RMin
_III —III —III —I —I —I 1' Min. depth overflow spillway —III—III—III—III—I I
Native. or _
—III �I—II
compacted backfill
Geotextile - —III—III I —III —I I —I Pump tol approved point
Pump intake to be 1 5 1-III I, •III —III —I I I�I of discharge per plan
min from bottom
Figure 19. Cross Section of Sediment Trap and Outlet.
To aid in determining sediment depth, all sediment traps should have a staff gauge with a
prominent mark 1 foot above the bottom of the trap.
Maintenance
• The sediment trap must be continually monitored and regularly maintained. The size
of the trap is less important to its effectiveness than is regular sediment removal.
Remove sediment from the trap when it reaches approximately 1 foot in depth
(assuming a 1-1 /2 foot sediment accumulation depth). Conduct regular inspections and
additional inspections after each large runoff -producing storm.
• Maintain and repair all temporary and permanent erosion and sediment control
practices as needed to assure continued performance of their intended function.
• Remove all temporary erosion and sediment control measures within 5 business days
after final site stabilization is achieved, or after the temporary BMPs are no longer
needed, whichever is longer. Remove trapped sediment or stabilize on site.
Permanently stabilize disturbed soil areas resulting from removal.
SEDIMENT TRAP ( E
CONTOUR LINE
(TYP)
�0 ANGLE TERMINAL
END UPHILL 24" TO 48"
JP TO PREVENT FLOW
AROUND WATTLE (TYP) 2"x2"x24" UN -TREATED
WOODEN STAKE (TYP)
�X" r ���Q WATTLE
TRENCH, SEE NOTE 2 3" MIN
4" MAX
2" MIN
STAGGER OVERPS °. 5' MAX
�
LAQ
(TYP)
2"x2"x24" UN -TREATED iv\�
WOODEN STAKE (TYP)
8" DIAMETER
MIN
PLAN VIEW
WATTLE DETAIL
AREA AVAILABLE FOR SPACING VARIES
SEDIMENT TRAPPING SEE WATTLE SPACING
(TYP) TABLE (TYP)
WATTLE TYP
SEE DETAIL
SECTION A —A
WATTLE INSTALLATION ON SLOPES
8" DIAMETER
SPACING
WATTLE
TABLE
SLOPE
MAXIMUM SPACING
1 H:1 V
10'-0"
2H:1V
20'-0"
3H:1 V
30'-0"
4H:1 V
40'-0"
>4H:1V
ONE RUN ONLY
NOTES:
1. COMPOST WATTLES RECOMMENDED ON SLOPES. USE STRAW WATTLES IN PAVEMENT APPLICATION.
2. ON SLOPES, INSTALL WATTLES PERPENDICULAR TO THE FLOW DIRECTION AND PARALLEL TO THE SLOPE CONTOURS.
INSTALLATION SHALL BE IN ACCORDANCE WITH WSDOT STANDARD SPECIFICATION 8-01.3(10).
3. RUNOFF SHALL NOT RUN UNDER OR AROUND ROLL. ADDITIONAL STAKING MAY BE NECESSARY TO PREVENT
UNDERCUTTING.
4. WATTLES SHALL BE INSPECTED REGULARLY, AND IMMEDIATELY AFTER A RAINFALL PRODUCES RUNOFF. REMOVE
SEDIMENT AND ACCUMULATIONS WHEN EXCEEDING 1/2 HEIGHT BETWEEN THE TOP OF THE WATTLE AND THE GROUND
SURFACE.
REVISION DATE
CITY OF EDMONDS JANUARY 2018
WATTLE INSTALLATION
TPUBLIC WORKS STANDARD
DEPARTMENT DETAIL
s t 1 g 9 APPROVED BY: R. ENGLISH E R— 9 0 3
STRAW WATTLES
PER 2016 KC SWDM W PER 2016 KC SWDM �01 PER CITY OF EDMONDS STANDARD DETAIL ER-903 �01
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PROJ. MANAGER: BI
DESIGNED BY: MS
DRAWN BY: MH
CHECKED BY: BI
SCALE: AS SHOWN
REV.
SHEET
10/27/2023
3
8
OF
2
APPROVAL FOR CONSTRUCTION
SHEET NUMBER
CITY OF EDMONDS
DATE:
D 02
BY: