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FILTER FABRIC (MIRAFI IOOX OR EQUIV.
60" WIDE ROLLS), USE STAPLES OR WIRE
RING TO ATTACH FABRIC TO WIRE (TYP)
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I n----- - ---
Ii BURY BOTTOM OF FABRIC
Li MATERIAL IN 4 "x 4" TRENCH
6' MAX...
( 2 "x 4" WOOD POSTS, STANDARD OR
GRADE OR EQUAL. 0 6' O.C.,
ALTERNATE: STEEL FENCE POSTS
«r POST SPACING MAY BE INCREASED
TO 8' IF WIRE BACKING IS USED
FILTER FABRIC FENCE NOTES:
2 "x 2 "x 14 GA.
WIRE FABRIC
OR EQUAL (TYP)
BACKFI
NATIVE SOIL NO GRAVEL
TO BE INSTALLED.
SIDE VIEW
I. THE FILTER FABRIC SHALL BE PURCHASED IN A CONTINUOUS ROLL CUT TO THE LENGTH OF THE BARRIER TO
AVOID USE OF JOINTS. WHEN JOINTS ARE NECESSARY, FILTER CLOTH SHALL BE SPLICED TOGETHER ONLY
AT A SUPPORT POST, WITH A MINIMUM 6 —INCH OVERLAP AND BOTH ENDS SECURELY FASTENED TO THE POST.
2. THE FILTER FABRIC FENCE SHALL BE INSTALLED TO FOLLOW THE CONTOURS (WHERE FEASIBLE). THE FENCE
POSTS SHALL BE SPACED A MAXIMUM OF 6 FEET APART AND DRIVEN SECURELY INTO THE GROUND (MINIMUM
OF 30 INCHES).
3. A TRENCH SHALL BE EXCAVATED, ROUGHLY 4 INCHES WIDE AND 4 INCHES DEEP, UPSLOPE AND ADJACENT TO
THE WOOD POST TO ALLOW THE FILTER FABRIC TO BE BURIED.
4. MEN STANDARD STRENGTH FILTER FABRIC IS USED, A WIRE MESH SUPPORT FENCE SHALL BE FASTENED
SECURELY TO THE UPSLOPE SIDE OF THE POSTS USING HEAVY—DUTY WIRE STAPLES AT LEAST i INCH LONG,
TIE WIRES OR HOG RINGS. THE WIRE SHALL EXTEND INTO THE TRENCH A MINIMUM OF 4 INCHES AND SHALL
NOT EXTEND MORE THAN 36 INCHES ABOVE THE ORIGINAL GROUND SURFACE.
5. THE STANDARD STRENGTH FILTER FABRIC SHALL BE STAPLED OR WIRED TO THE FENCE, AND 20 INCHES OF
THE FABRIC SHALL BE EXTENDED INTO THE TRENCH. THE FABRIC SHALL NOT EXTEND MORE THAN 30 INCHES
ABOVE THE ORIGINAL GROUND SURFACE, FILTER FABRIC SHALL NOT BE STAPLED TO EXISTING TREES.
6. WHEN EXTRA — STRENGTH FILTER FABRIC AND CLOSER POST SPACING ARE USED, THE WIRE MESH SUPPORT
FENCE MAY BE ELIMINATED. IN SUCH A CASE, THE FILTER FABRIC IS STAPLED OR WIRED DIRECTLY TO
THE POSTS WITH ALL OTHER PROVISIONS OF STANDARD NOTE 5 APPLYING,
7. THE TRENCH SHALL BE BACKFILLED WITH NATIVE SOIL. NO GRAVEL SHALL BE INSTALLED.
8, FILTER FABRIC FENCES SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR USEFUL PURPOSE, BUT NOT
BEFORE THE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED,
9. FILTER FABRIC FENCES SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY
DURING PROLONGED RAINFALL, ANY REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY.
_ FILTER FABRIC FENCE
C4 NTS
FILTER FABRIC
CATCH
TE
NOTE: MAY ONLY BE USED WHERE
PONDING OF WATER ABOVE CB WILL
NOT CAUSE TRAFFIC PROBLEMS AND
WHERE OVERFLOW WILL NOT RESULT
IN EROSION OF SLOPES.
CB INSERT
AS SHOWN ON PLANS
OR AS DIRECTED BY 2 "x 12 "x 10' PRESSURE
/ ENGINEER TREATED GRADE BOARD
HYDROSm SET PRECISELY LEVEL
P®
x�o
LINE
16VMIN.
R = 25' MIN. —) 1y�
I2" MIN.
4'— 8' QUARRY SPALLS
GEOTEXTILE PER PROVIDE FULL WIDTH OF
SPECIFICATIONS INGRESS /EGRESS AREA
eSTABILIZED CONSTRUCTION ENTRANCE
C4 NTS
GRATE
FILTER MEDIA
POROUS
BOTTOM
CATCH BASIN
INSERT SHALL HAVE 0.5 C.F. MIN STORAGE
VOLUME, THE MEANS TO DEWATER STORED
SEDIMENT, AN OVERFLOW, AND BE EASILY
i—DROP INLET WITH GRATE (RUNOFF WATER MAINTAINED.
RO Hri I LL
Roth Hill, LLC Tel 425.869.9448 www.rothhill.com
11130 NE 33rd Place, Suite 200 Bellevue, WA 98004
aY
Qv
DITCH 1'
IN —OUT MIN.
CHANNEL QUARRY
SPALLS 2"x 2 "x 2' STAKES EVERY 2'
TO STABILIZE GRADE BOARD
r3--,\ LEVEL SPREADER,
C4 NTS
ROCK �iL r• �l�i
COVER �N.
A
CROSS
L= DISTANCE SUCH THAT POINTS A & B ARE OF
EQUAL ELEVATION.
CHECK DAM SPACING
/s1 ROCK CHECK DAM
C4 NTS
,K
I
NOTE: NTS
1. DISCHARGE ALL DEWATERING EFFLUENT INTO SEDIMENTATION TANK PRIOR
TO RELEASING TO ENVIRONMENT.
2. FINAL SIZING OF SEDIMENTATION TANK SHALL BE THE RESPONSIBILITY
OF THE CONTRACTOR.
3. ALL EFFLUENT WILL BE DISCHARGED INTO THE
LEVEL SPREADER (PER DETAIL THIS SHT.)
V MIN. OVERFLOW
GEOTEXTILE
�4
NATIVE SOIL��i�,, GEOTEXTILE
O71 :1111GAIII
5- 341333
SUR D: SWE:
" 98B STONEGATE
HOR6pMA1L NM 1981/1991 1 6/25/2010
D. "J` As NOTED c� CITY O� LIFT STATION REPLACEMENT "ZI.D °.`
ELa /LDS RENT 0 N F�DE
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�_0NE 1N_c "� DATUM Duvnxc xD:
cHMKED: a *I I Planning /Building /Public Works Dept.
IF KW ME ING1 TESC DETAILS 04
NO. REVISION IBYDAATE APPR ^va9mEO: 9cs>F rccaxDlxcxr SREF 4 OF42