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1.
DEPAW HENTONS " IUCTION @NTRAN Z :
RCR
LITCHFIELD ENGINEERING
12840 81ST AVENUE NE
Kirkland, WA 98034
Tel (425) 821-5038 Fax (425)821-5739
Copyright cO 2000 Litchfield Engineering, Inc. All rights reserved.
FLOW
ROCK CHECK DAM
N. T.S.
1 � 2 2 ,
'--SUMP BEHIND CHECK DAM
INSPECT DAILY AND CLEAN
AS NECESSARY
RY
C
ROCK CHECK DAM SECTION
N. T. S
SA = 2 x QA.tIW% REQUIRED SURFACE AREA: 198 Sf = 2 X 0.052 cFs / O.Oa096
Maintenance Standards
1. S ffmt shill be m=v ad. theuR � I h� 1 %t in depth.
2. AnydamptcthetMp or dopw sh" be ro&
x�av� ups,,► a�n r r�
SURFACE A6*[A D TERMINED
A" ?'CP *OF SIR S 44 'WIN,
!' VIN,tfVE�'LBIM
. ,
1'z='!Le9 3,5
4—esd
F -AT BOTTOM
NDTz., -TAP MAY BE fT3II'I►AED BY BERM CR BY
PARTIAL. OR COMPLETE EXCAVATION
WA;I;HE3 01AVEL \
DEOTEXTILE
DIBCHAB4E TO STABILIZED
OON`I EWANCE, OUT! 'ET CR
LEVEL SPREADER
................,yv.
� 4
1
x
E
4SHEN 13RAVEL
KING COUNTY SEDIMENT TRAP DETAIL
N. TS.
C1 TY OF
RENTON
Planning/Building/Public Works Dept.
GENERAL EROSION & SED AUENT CONTROL NOTES
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT AC71 W TY OCCURS, A
PRECONS7RUC77ON MEETING MUST BE HELD WITH THE CITY OF RENTON'S
PUBLIC WORKS DESIGN ENGINEER.
2. ALL LIMITS OF CLEARING AND AREAS OF VEGETA RON> PRESERVA RON AS
PRESCRIBED ON THE PLAN SHALL BE CLEARLY FLAGGED IN THE FIELD AND
OBSERVED DURING CONS7RUC770N.
.1 ALL. REQUIRED SEDIMENTA TIONIEROSION CONTROL FACILI TIES MUST BE
(XWSTRUC7ED AND IN OPERA 71ON PRIOR TO LAND CLEARING AND/OR
C0NS7RUC770N TO ENSURE THAT SEDIMENT LADEN WA TER DOES NOT ENTER
THE NATURAL DRAINAGE SYSTEM. ALL EROSION AND SEDIMENT FACILITIES
SHALL BE MAINTAINED IN A SATISFACTORY COND17ION UNTIL SUCH TIME THAT
CLt ARING AND/OR CONS7RUC110N IS COMPLETE AND POTENTIAL FOR ON-SITE
EROSION HAS PASSED. THE IMPL&A0V TA 71M AAWV IENANCE, REPLACEMENT AMD
AD 1WW TO EROSION/SEDWMAI► Com, SYSTEMS SHALL BE THE
RESDONSMJ TY OF THE .
4. THE EROSION AND SEDWNTA 71ON CONTROL SYSTEMS DEPICTED ON THE
DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED
S17E CONDI TIONS AS CONSTRUCRON PROGRESSES AND UNEXPECTED OR
SEASONAL COND17IONS DICTA TE, THE PERMI TEE SHALL ANTICIPATE THAT MORE
EROSION AND SEDIMENTA 71ON CONTROL FACILITIES WILL BE NECESSARY TO
ENSURE COMPLETE SEDIMENTA77ON CONTROL ON THE PROPOSED SITE: DURING
THE COURSE OF CONST RUCTION, IT SHALL BE THE OBLIGATION AND
RESPONSIBILITY OF THE PERM1 T EE TO ADDRESS ANY NEW CONDI T IONS THAT
MA Y BE CREA TED BY THE ACTT W TIES AND TO PROVIDE ADDI71ONAL FACILI71ES
OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT
ADJACENT PROPER71ES AND WA TER QUALITY OF 7HE RECEIVING DRAINAGE
SYSTEM.
5. APPROVAL OF THIS PLAN IS FOR EROSION/SEDIMENTATION CONTROL ONLY. IT
DOES NOT CONS71 TUTF AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE, NOR
LOCA TION OF PIPES, RESNICTORS, CHANNELS, OR RETENTION FACtLI77
6. DURING THE 71ME PERIOD OF OCTOBER 1ST 774ROUGH APRIL 307H ALL
PROJECT DISTRIBUTED SOIL AREAS GREA 7ER 7HAN 5, 000 FT.2, TNA T ARE TO
BE LEFT UN-1410RKED FOR MORE THAN 12 HOURS, SHALL BE COVERED BY
MULCH, SODDING OR PLAS7IC COVERING.
Z IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETA 71ON AND WHERE NO
FURTHER WORK IS
AN 1TCIPA TED FOR A PERIOD 30 DAYS OR MORE, ALL
DISTRIBUTED AREAS MUST BE IMMEDIATELY STABILIZED NTH MULCHING, GRASS
PLAN 77NG OR 0 T HER APPROVED EROSION CONTROL 7REA 7MEN T APPLICABLE TO
7HE 77ME OF YEAR. GRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY DURING
774E MONTHS OF APRIL 774ROUGH SEP7EMBER, INCLUSIVE. SEEDING MAY
PROCEED, HOWEVER, WHENEVER IT IS 1N 7HE IN7FREST OF THE PERM17EE, BUT
MUST BE AUGMENTED NTH MULCHING, NET77NG OR 0 774E 7REATMENT
APPROVED BY THE CITY OF RENTON, OU7SIDE 774E SPECIFIED TIME PERIOD.
8. FOR ALL EROSIONISEDIMENT4710N CONTROL PONDS WHERE 774E DEAD STORAGE
DEPTH EXCEEDS 6 INCHES, A FENCE IS REQUIRED NTH A MINIMUM HEIGHT OF
3 FT., 3.-1 SIDE SLOPES.
9. USE OF CONS7RUC770N ENTRANCE ONLY FOR INGRESS AND EGRESS.
WY OF BION
APPROVED BY.-WDATE:
APPROVED BY:I DATE: �1
APPROVED BY: DATE:
APPROVED BY DATE:
Renton Commercial 6-25-1
60 S. W. Sunset Blvd • FIELDBOOK:
PAGE:
Renton, WA 98055 DRAIIIING NIt
TESC DETAILS
(�-3g 3703
swmr' 3 OF. 7
Su�JHS
SCALE.
1 =10
>t��is>�>t
DATU M
4
REVISIONS PER CITY COMMENTS
KAL
5-04-15
KAL
mmmm:
KAL
3
REVISIONS PER CITY COMMENTS
KAL
1-26-15
KAL
2
REVISIONS PER CITY COMMENTS
KAL
11-12-14
KAL
KAL
OW INC"
AT FiJLL SCALE
IF NOT ONE INCH
SCALEAC00RD14I
1
REVISIONS PER CITY COMMENTS
KAL
9-5-14
KAL
CHECKEDK
�
N0.
REVISION
BY
DATE
AP P R
AL
C1 TY OF
RENTON
Planning/Building/Public Works Dept.
GENERAL EROSION & SED AUENT CONTROL NOTES
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT AC71 W TY OCCURS, A
PRECONS7RUC77ON MEETING MUST BE HELD WITH THE CITY OF RENTON'S
PUBLIC WORKS DESIGN ENGINEER.
2. ALL LIMITS OF CLEARING AND AREAS OF VEGETA RON> PRESERVA RON AS
PRESCRIBED ON THE PLAN SHALL BE CLEARLY FLAGGED IN THE FIELD AND
OBSERVED DURING CONS7RUC770N.
.1 ALL. REQUIRED SEDIMENTA TIONIEROSION CONTROL FACILI TIES MUST BE
(XWSTRUC7ED AND IN OPERA 71ON PRIOR TO LAND CLEARING AND/OR
C0NS7RUC770N TO ENSURE THAT SEDIMENT LADEN WA TER DOES NOT ENTER
THE NATURAL DRAINAGE SYSTEM. ALL EROSION AND SEDIMENT FACILITIES
SHALL BE MAINTAINED IN A SATISFACTORY COND17ION UNTIL SUCH TIME THAT
CLt ARING AND/OR CONS7RUC110N IS COMPLETE AND POTENTIAL FOR ON-SITE
EROSION HAS PASSED. THE IMPL&A0V TA 71M AAWV IENANCE, REPLACEMENT AMD
AD 1WW TO EROSION/SEDWMAI► Com, SYSTEMS SHALL BE THE
RESDONSMJ TY OF THE .
4. THE EROSION AND SEDWNTA 71ON CONTROL SYSTEMS DEPICTED ON THE
DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED
S17E CONDI TIONS AS CONSTRUCRON PROGRESSES AND UNEXPECTED OR
SEASONAL COND17IONS DICTA TE, THE PERMI TEE SHALL ANTICIPATE THAT MORE
EROSION AND SEDIMENTA 71ON CONTROL FACILITIES WILL BE NECESSARY TO
ENSURE COMPLETE SEDIMENTA77ON CONTROL ON THE PROPOSED SITE: DURING
THE COURSE OF CONST RUCTION, IT SHALL BE THE OBLIGATION AND
RESPONSIBILITY OF THE PERM1 T EE TO ADDRESS ANY NEW CONDI T IONS THAT
MA Y BE CREA TED BY THE ACTT W TIES AND TO PROVIDE ADDI71ONAL FACILI71ES
OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT
ADJACENT PROPER71ES AND WA TER QUALITY OF 7HE RECEIVING DRAINAGE
SYSTEM.
5. APPROVAL OF THIS PLAN IS FOR EROSION/SEDIMENTATION CONTROL ONLY. IT
DOES NOT CONS71 TUTF AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE, NOR
LOCA TION OF PIPES, RESNICTORS, CHANNELS, OR RETENTION FACtLI77
6. DURING THE 71ME PERIOD OF OCTOBER 1ST 774ROUGH APRIL 307H ALL
PROJECT DISTRIBUTED SOIL AREAS GREA 7ER 7HAN 5, 000 FT.2, TNA T ARE TO
BE LEFT UN-1410RKED FOR MORE THAN 12 HOURS, SHALL BE COVERED BY
MULCH, SODDING OR PLAS7IC COVERING.
Z IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETA 71ON AND WHERE NO
FURTHER WORK IS
AN 1TCIPA TED FOR A PERIOD 30 DAYS OR MORE, ALL
DISTRIBUTED AREAS MUST BE IMMEDIATELY STABILIZED NTH MULCHING, GRASS
PLAN 77NG OR 0 T HER APPROVED EROSION CONTROL 7REA 7MEN T APPLICABLE TO
7HE 77ME OF YEAR. GRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY DURING
774E MONTHS OF APRIL 774ROUGH SEP7EMBER, INCLUSIVE. SEEDING MAY
PROCEED, HOWEVER, WHENEVER IT IS 1N 7HE IN7FREST OF THE PERM17EE, BUT
MUST BE AUGMENTED NTH MULCHING, NET77NG OR 0 774E 7REATMENT
APPROVED BY THE CITY OF RENTON, OU7SIDE 774E SPECIFIED TIME PERIOD.
8. FOR ALL EROSIONISEDIMENT4710N CONTROL PONDS WHERE 774E DEAD STORAGE
DEPTH EXCEEDS 6 INCHES, A FENCE IS REQUIRED NTH A MINIMUM HEIGHT OF
3 FT., 3.-1 SIDE SLOPES.
9. USE OF CONS7RUC770N ENTRANCE ONLY FOR INGRESS AND EGRESS.
WY OF BION
APPROVED BY.-WDATE:
APPROVED BY:I DATE: �1
APPROVED BY: DATE:
APPROVED BY DATE:
Renton Commercial 6-25-1
60 S. W. Sunset Blvd • FIELDBOOK:
PAGE:
Renton, WA 98055 DRAIIIING NIt
TESC DETAILS
(�-3g 3703
swmr' 3 OF. 7