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FILTER FABRIC GRATE
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TEMPORARY
EROSION /SEDIMENTATION CONTROL NOTES:
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2 "x 2 "x 14 GA. PEA GRAVEL— FILLED
FILTER FABRIC (MIRAFI 100X OR EQUIV. WIRE FABRIC BAGS, END TO END,
60" WIDE ROLLS). USE STAPLES OR WIRE OR EQUAL (TYP) NO GAPS
RING TO ATTACH FABRIC TO WIRE (TYP)
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LOCATION OF ASPHALT THICKENED
EDGE VARIES. REPAIR AND REPLACE
1
APPROVAL OF THIS TEMPORARY EROSION /SEDIMENTATION CONTROL (TESC) PLAN DOES NOT
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TO MATCH EXISTING FLOW LINE AND
CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN (E.G. SIZE AND
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CATCH BASIN
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ENSURE ADEQUATE LONGITUDINAL
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LOCATION OF ROADS, PIPES, RESTRICTORS, CHANNELS, RETENTION FACILITIES, UTILITIES, ETC.;;
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GRADE FOR FLOW. LANE MARKING OR EDGE
OF TRAVELED LANE
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CONTRACTOR REQUIRED 0 SUBMIT TESC AND DEWATERING PLAN TO OWNER AND ENGINEER
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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.
2 PATCH HMA CL B TACK & 12 FROM CENTERLINE
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FOR REVIEW PRIOR TO CONSTRUCTION.
,L \. "' SLOPE _ - -
SEAL MEET LINES (MATCH OF EX. ASPHALT).
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3.
CONTRACTOR AND AN ON
MAINTENANCE REPRESENTATIVE OF OWNER WILL REVIEW THE INSTALLATION,
MAINTENANCE AND PERFORMANCE OF THE TESC MEASURES SHOWN ON THE APPROVED PLANS.
- --------- - - - - -- - -- - - -- - - - _
GRATE
EXISTING THICKNESS, 2" MIN.).
4 MIN. SAWCUT
°-
V)
/ / /
FINISH
THE TESC OBSERVER OR PERMITTING AGENCY MAY RECOMMEND ADDITIONAL MEASURES OR
°0 12 "MIN.
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EDGE OF PAVEMENT PAVED GRADE
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CHANGES TO THE TESC PLAN THAT ARE WARRANTED DURING CONSTRUCTION. THE
PEA GRAVEL — FILLED
/ \ \\ ° OVERFLOW % \�%
CONTRACTOR AND OBSERVER SHALL EXAMINE ALL TESC MEASURES PERIODICALLY DURING THE
CONSTRUCTION PERIOD, AND AFTER STORMS HAVING 0.5 INCHES OR MORE OF RAINFALL IN A
BAGS, END TO END,
, NO GAPS
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DEPTH OF EX. TRENCH
PAVEMENT
6 MAX. **
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24 -HOUR PERIOD. THE OBSERVER AND THE PERMITTING AGENCY HAVE THE AUTHORITY TO
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CB INSERT a FILTER MEDIA
° °
REQUIRE CORRECTIVE ACTION IN ORDER TO ACHIEVE EROSION CONTROL OBJECTIVES.
2 "x 4" wooD Posrs, STANDARD OR BETTER
GRADE OR EQUAL. CAD 6' o.c.,
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4.
THE IMPLEMENTATION OF THESE TESC PLANS AND THE CONSTRUCTION, MAINTENANCE,
ALTERNATE: STEEL FENCE POSTS
G ° POROUS-7 a
REPLACEMENT, AND UPGRADING OF THESE TESC FACILITIES IS THE RESPONSIBILITY OF THE
BOTTOM
6" CSTC o °
CONTRACTOR UNTIL ALL CONSTRUCTION IS APPROVED. TESC MEASURES SHALL REMAIN
FUNCTIONING AND IN PLACE UNTIL THE SITE HAS BEEN STABILIZED AND THE PERMITTING
** POST SPACING MAY BE INCREASED
ro 8' IF WIRE BACKING IS USED SIDE VIEW
CATCH BASIN °°
COMPACTED TH. >
( ) 1' -0" \` \` \` \ \` 1' -0" o
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AGENCY, OWNER OR ENGINEER HAS APPROVED THE REMOVAL OF THE TESC MEASURES.
INSERT SHALL HAVE 0.5 C.F. MIN STORAGE VOLUME, THE MEANS TO DEWATER STORED
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SEDIMENT, AN OVERFLOW, AND BE EASILY MAINTAINED.
MIN. MIN.
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5. AS CONSTRUCTION PROGRESSES AND UNEXPECTED SEASONAL CONDITIONS DICTATE,
FILTER FABRIC FENCE NOTES:
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CSTC COMPACTED TO �� �� �� �x
ADDITIONAL TESC MEASURES MAY BECOME NECESSARY TO PROTECT ADJACENT PROPERTIES
+
CB PROTECTION DETAIL
95% MODIFIED PROCTOR \` \` \` \` \` to
AND TO ENSURE WATER QUALITY FOR SITE RUNOFF. IT SHALL BE THE CONTRACTORS
1.
THE FILTER FABRIC SHALL BE PURCHASED IN A CONTINUOUS ROLL CUT TO THE LENGTH OF THE BARRIER TO
2
PER ASTM D1557
RESPONSIBILITY TO ADDRESS DEFICIENT TESC CONDITIONS, AND TO PROVIDE ADDITIONAL
AVOID USE OF JOINTS. WHEN JOINTS ARE NECESSARY, FILTER CLOTH SHALL BE SPLICED TOGETHER ONLY AT
11 NTS
„
4 MIN.
FACILITIES, OVER AND ABOVE THE MINIMUM REQUIREMENTS OUTLINED ON THE APPROVED
A SUPPORT POST, WITH A MINIMUM 6 —INCH OVERLAP AND BOTH ENDS SECURELY FASTENED TO THE POST.
PLANS AS NEEDED.
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 A
6.
THE TESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED IN CONJUNCTION WITH
MINIMUM OF 18 INCHES.
ALL CLEARING AND GRADING ACTIVITIES, AND IN SUCH A MANNER AS TO INSURE THAT
SEDIMENT LADEN WATER DOES NOT ENTER THE DRAINAGE SYSTEM, INTRUDE ON ADJACENT
3.
PEA GRAVEL BAGS SHALL BE PLACED UPSLOPE OF AND ADJACENT TO THE WOOD POSTS AND ON TOP OF THE FILTER
FABRIC FENCE TO THE FILTER FABRIC.
ROCK MUST COMPLETELY COVER THE
BOTTOM AND SIDES OF THE DITCH
WATER MAIN (DIA.
AND /OR WIRE SECURELY ANCHOR THE BOTTOM EDGE OF
PROPERTY, OR VIOLATE APPLICABLE WATER QUALITY STANDARDS.
6 MIN.
AS INDICATED ON
7.
THE TESC FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR
4.
WHEN 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 1 INCH LONG, TIE
PLANS )
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ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD, THESE TESC FACILITIES
SHALL BE UPGRADED (E.G. ADDITIONAL SUMPS, RELOCATION OF DITCHES AND SILT FENCES,
WIRES OR HOG RINGS. THE WIRE SHALL EXTEND BENEATH THE GRAVEL BAGS A MINIMUM OF 6 INCHES AND SHALL NOT
EXTEND MORE THAN 36 INCHES ABOVE THE ORIGINAL GROUND SURFACE.
»'
24 MIN.
„
6 MIN.
PIPE BEDDING
ETC.) AS NEEDED FOR STORM EVENTS.
5.
THE STANDARD STRENGTH FILTER FABRIC SHALL BE STAPLED OR WIRED TO THE FENCE, AND 12 INCHES OF THE FABRIC
SHALL BE EXTENDED BENEATH THE GRAVEL BAGS. THE FABRIC SHALL NOT EXTEND MORE THAN 30 INCHES ABOVE THE
MATERIAL (CSTC)
ORIGINAL GROUND SURFACE. FILTER FABRIC SHALL NOT BE STAPLED TO EXISTING TREES.
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8.
THE TESC FACILITIES SHALL BE INSPECTED DAILY BY THE CONTRACTOR AND MAINTAINED AS
NECESSARY TO ENSURE THEIR CONTINUED FUNCTIONING.
6.
WHEN EXTRA — STRENGTH FILTER FABRIC AND CLOSER POST SPACING ARE USED, THE HARE MESH SUPPORT
2: 1 SLOPES CROSS SECTION
TRENCH WIDTH owl
2' -6" TO 3' -O"
9.
ANY AREA NEEDING TESC MEASURE, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE
FENCE MAY BE ELIMINATED. IN SUCH A CASE, THE FILTER FABRIC IS STAPLED OR WIRED DIRECTLY TO
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10.
STABILIZED WITHIN FIFTEEN (15) DAYS.
AT NO TIME SHALL MORE THAN ONE FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE
7•
THE POSTS WITH ALL OTHER PROVISIONS OF STANDARD NOTE 5 APPLYING.
GRAVEL BAGS SHALL BE FILLED WITH PEA GRAVEL. NATIVE SOILS, SAND, CRUSHED ROCK OR OTHER FILL MATERIALS WALL
2 + + -4" ROCK
A B
+
VARIES: 4.5 MIN.
WITHIN
NOT ALLOWED. PEA FULLY FINES
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A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO
BE GRAVEL SHALL BE WASHED SUCH THAT NO WALL BE WASHED INTO ADJACENT WATER
COURSES.
.III III III'
PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT LADEN WATER INTO THE
„I
DOWNSTREAM SYSTEM.
8.
FILTER FABRIC FENCES SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR USEFUL PURPOSE, BUT NOT
BEFORE THE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED.
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11.
III
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CONTRACTOR SHALL SWEEP THE STREET AT LEAST DAILY OR MORE OFTEN AS NECESSARY TO
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REMOVE DEBRIS A MAY BECOME A SAFETY OR TRAFFIC HAZARD. WATER MAY BE USED TO
CUT DOWN ON DUST DURING SWEEPING OPERATIONS.
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.
L— DISTANCE SUCH THAT POINTS A & B ARE OF
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10.
WHEN WATER SERVICES CROSS SILT FENCE, SERVICE TRENCH, DITCH SECTION, AND SILT FENCE SHALL BE RESTORED
IMMEDIATELY.
EQUAL ELEVATION.
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CHECK DAM SPACING
4 TYPICAL LONGITUDINAL TRENCH SECTION
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2" MIN. OVERLAY, HMA CL B *,
TACK do SEAL MEET LINES MATCH
2" MIN. OVERLAY, HMA CL B *,
TACK
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& SEAL MEET LINES
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By _ _ �-- Date - / 2 Z o
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EXISTING THICKNESS).
FINISH GRADE
(MATCH EXISTING THICKNESS).
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2" MIN. PATCH, HMA CL B *, AN MARKING R
TACK & SEAL MEET LINES LANE NG 0 EDGE
OF LANE
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4 TOPSOIL
i PATH HMA *
2 MIN. C M CL B
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,TRAVELED
(12 FROM CENTERLINE
CONCRETE SIDEWALK 2" CSTC
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LANE LINE MARKING PAVED OF EX. ASPHALT).
OR CENTERLINE
UNPAVED SOD FINISH
E GRADE
2" SAWCUT
FINISH
GRADE
PER CITY OF RENTON
FINISH
EX. CURB GUTTER
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TRENCH 4 MIN. SAWCUT
TRENCH
PAVED
DEPTH OF EX. PAVEMENT TRENCH
( ) GRADE
PROTECT PAVED
TRENCH
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CSTC
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(COMPACTED TH.) °
1' -0" �` �` �` �` �` 1'- O
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CRUSHED SURFACING /� /�
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CRUSHED SURFACING � /� /� /� /�
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MODIFIED PROCTOR
COMPACTED TO 90% \ \ \ \ \
COMPACTED TO 959
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COMPACTED TO 90% \` \\ \\ \\ \`
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MODIFIED PROCTOR
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PER ASTM D1557 4" MIN.
MODIFIED PROCTOR
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PER ASTM D1557 4" MIN.
MODIFIED PROCTOR � „
PER ASTM D1557 4 MIN.
PER ASTM D1557 4 MIN.
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WATER MAIN (DIA.
AS INDICATED ON
WATER MAIN (DIA.
WATER MAIN (DIA.
AS INDICATED ON
WATER MAIN (DIA.
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AS INDICATED ON
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6 MIN.
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6 MIN.
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PIPE BEDDING
6" MIN.
PIPE BEDDING
6 MIN.
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MATERIAL (CSTC)
PIPE BEDDING
MATERIAL (CSTC)
MATERIAL (CSTC)
PIPE BEDDING
MATERIAL (CSTC)
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TRENCH WIDTH
TRENCH WIDTH
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2' -6" TO 3' -0"
TRENCH WIDTH
2' -6" TO 3' -O"
TRENCH WIDTH
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2' -6" TO 3' -0"
2' -6" TO 3' -0"
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VARIES: 4.5' MIN.
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VARIES: 6.5' MIN.
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* IF IN K.C. JURISDICTION USE HMA CL ", PG 64 -22
* IF IN K.C. JURISDICTION USE HMA CL ", PG 64 -22
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5 TYPICAL LONGITUDINAL TRENCH SECTION-
s TYPICAL LONGITUDINAL TRENCH SECTION
TYPICAL TRANSVERSE TRENCH SECTION
11 NTS
TYPICAL LONGITUDINAL TRENCH SECTION
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� 1 IN TRAVELED LANE
11 IN UNPAVED AREAS
11 IN AREAS UNDER CONCRETE SIDEWALK
NTS
NTS
NTS
0
PERMIT MITTAL
BASE
MAP
SHEET
12 OF
24
DRAWING
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