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SED IM E
DRAINAGE GRATE _
- RECTANGULAR GRATE SHOWN
SEGT30N VIEW
ISOMETRIC VIEW
NOTES
11 Slze the Be law Inlet Grate Device (BIGD)for the storm water structure itwlll setvlce,
2, The BIGO shalI have a h La I H n h1gh-flow rolkd syntom (dve-116w bypass),
3- The retrieval system must allow removal of the 61Ga without spllling the colleLled materlai.
Perform mainteneriole in accordance with Standard 5peoftetion B-01.3(15).
PUBLIC WORKS CATCH BASIN FILTER
DEPARTMENT
CATCH BASIN FILTER EC4
NOT TO SCALE CO4
PA$S
RATE DEVICE
ae-FOIEVAI eve_Mh (-r',P
STD. FUN — 216.30
MARCH 2008
CITY OF RENTON STANDARD
EROSION CONTROL NOTES:
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A
PRECONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON,
PUBLIC WORKS DESIGN ENGINEER.
2. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS
PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY FLAGGED IN THE FIELD AND
OBSERVED DURING CONSTRUCTION.
3. ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACILITIES MUST BE
CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND/OR
CONSTRUCTION TO ENSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER
THE NATURAL DRAINAGE SYSTEM. ALL EROSION AND SEDIMENT FACILITIES
SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT
CLEARING AND/OR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE
EROSION HAS PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT
AND ADDITIONS TO EROSION/SEDIMENTATION CONTROL SYSTEMS SHALL BE
THE RESPONSIBILITY OF THE PERMITEE.
4. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS
DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET
ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND
UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE PERMITEE SHALL
ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL FACILITIES
WILL BE NECESSARY TO ENSURE COMPLETE SILTATION CONTROL ON THE
PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE
OBLIGATION AND RESPONSIBILITY OF THE PERMITEE TO ADDRESS ANY NEW
CONDITIONS THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE
ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE
NEEDED, TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE
RECEIVING DRAINAGE SYSTEM.
5. APPROVAL OF THIS PLAN IS FOR EROSION/SEDIMENTATION CONTROL ONLY. IT
DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR
LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES.
6. DURING THE TIME PERIOD OF OCTOBER 1ST THROUGH APRIL 30TH, ALL
PROJECT DISTRIBUTED SOIL AREAS GREATER THAN 5,000 SQUARE FEET, THAT
ARE TO BE LEFT UN -WORKED FOR MORE THAN 12 HOURS, SHALL BE COVERED
BY MULCH, SODDING OR PLASTIC COVERING.
7. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NO
FURTHER WORK IS ANTICIPATED FOR A PERIOD 30 DAYS OR MORE, ALL
DISTURBED AREAS MUST BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS
PLANTING OR OTHER APPROVED EROSION CONTROL TREATMENT APPLICABLE
TO THE TIME OF YEAR. GRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY
DURING THE MONTHS OF APRIL THROUGH SEPTEMBER, INCLUSIVE. SEEDING
MAY PROCEED, HOWEVER, WHENEVER IT IS IN THE INTEREST OF THE PERMITEE,
BUT MUST BE AUGMENTED WITH MULCHING, NETTING OR OTHER TREATMENT
APPROVED BY THE CITY OF RENTON, OUTSIDE THE SPECIFIED TIME PERIOD.
8. FOR ALL EROSION/SEDIMENTATION CONTROL PONDS WHERE THE DEAD
STORAGE DEPTH EXCEEDS 6 INCHES, A FENCE IS REQUIRED WITH A MINIMUM
HEIGHT OF THREE (3) FEET, 3:1 SIDE SLOPES.
9. A TEMPORARY GRAVEL CONSTRUCTION ENTRANCE, 24 FEET X 50 FEET X 8
INCHES OF 4 TO 6 INCH QUARRY SPALLS SHALL BE LOCATED AT ALL POINTS OF
VEHICULAR INGRESS AND EGRESS TO THE CONSTRUCTION SITE.
RECOMMENDED CONSTRUCTION
SEQUENCE:
1. PRE -CONSTRUCTION MEETING.
2. POST SIGN WITH NAME AND PHONE NUMBER OF CSWPP/ESC SUPERVISOR (MAY
BE CONSOLIDATED WITH THE REQUIRED NOTICE OF CONSTRUCTION SIGN).
3. FLAG OR FENCE CLEARING LIMITS.
4. INSTALL CATCH BASIN PROTECTION AND STORMWATER BMP AREA PROTECTION
AS REQUIRED.
5. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S).
6. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.).
7. CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE SLOPE
DRAINS, ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT
DEVELOPMENT. CONSTRUCT SWPPS CONTROLS IN ANTICIPATION OF
SCHEDULED CONSTRUCTION ACTIVITY (E.G., CONCRETE -RELATED PH
MEASURES FOR UTILITY, VAULT OR ROADWAY CONSTRUCTION)
8. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH APPENDIX D OF
THE CITY OF RENTON SURFACE WATER DESIGN MANUAL AND MANUFACTURER'S
RECOMMENDATIONS.
9. RELOCATE EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO
THAT AS SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT CONTROL
AND POLLUTION PREVENTION IS ALWAYS IN ACCORDANCE WITH THE CITY'S
EROSION AND SEDIMENT CONTROL STANDARDS.
10. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN DAYS
DURING THE DRY SEASON OR TWO DAYS DURING THE WET SEASON WITH
STRAW, WOOD FIBER MULCH, COMPOST, OR EQUIVALENT.
11. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS.
12. SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS.
13. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE
STABILIZED AND BMPS REMOVED IF APPROPRIATE.
R-401201
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
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BASE MAP/TOPOGRAPHY PROVIDED BY (UNDERGROUND UTILITY Ir
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9706 4th 3Ave00 NE �`O�� °F Di I �� ed FOR ACCURACY. CONTRACTOR SHALL
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Seattle, WA 98115 CO Ti v FIELD VERIFY GRADES, UTILITIES AND AS NOTED HORIZONTAL: NAD 1983/1991 C TY 0 E MERRILL GARDENS AT RENTON CENTER- ADDITION 8 JJ
el ALL OTHER EX FEATURES & DESIGNED: CT RENTON PAGE:
belein � 104 BURNETT AVE S, RENTON, WA 98057 PAGE:
P: 206.523.0024 'a t-r CONDITIONS. IF CONDITIONS ARE NOT 2 C❑NSTRUCTI❑N RECORD DRAWINGS CT 01/08/20 DRAWN:
F: 206.523.1012 �0 ?�20.0 AS SHOWN WOR PLANS CANNOT BE RB/CT ONE INCH DATUM • DRAWING N0:
,�• nF 46 1 POST —PERMIT REVISION— UTILITY CONFLICT CT 01/25/19 CHECKED: AT FULL SCALE Planning/Budding/Public Works De t. CITY DETAILS- TESC (CONY.) C1 1
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