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THOMAS LACHER SEWER EXTENSION
NE 1/4 OF SW 1/4 OF SECTION 15, T. 23 N., R. 05 E., W.M.
CITY OF RENTON, KING COUNTY, WASHINGTON
10+00 11+00 12+00
ELMA PLACE SE
10+00
50'-8" PVC 0 SL=o. 0140
jNEW 6' PVC
SSMH-1, 48"
PER COR STD 400.1
STA 10+13.23, 0.33' LT
RIM=396.90t
IE(E)=392.20
SEWER
___-__---- EXISANG GRADE T CENTERUNE -_ - ___________
___
SEWER CLEANO T___________
RIM EL=398.81' - ----
IE=f391.5'
REMOVE CLEANOUT AND REPLACE WITH
8" X 8" X 6" TEE PER SIDE SEWER STUB
INSTALLATION, COR STD PLAN 406.1
EXISTING SIDE 'EWER CONNEC1101V
IE=39232
EROSION AND SEDIMENT CONTROL (ESC) STANDARD PLAN NOTEM
THE FOLLOWING IS A LISTING OF GENERAL NOTES THAT SHALL BE INCORPORATED IN THE EROSION AND SEDIMENT CONTROL (ESC) PLAN SET. ALL THE NOTES ON THE
LIST MAY NOT PERTAIN TO EVERY PROJECT. THE APPLICANT OR OWNER, HEREBY REFERRED TO AS APPLICANT, MAY STRIKE OUT IRRELEVANT NOTES IF NOT
APPLICABLE TO THE PROJECT, HOWEVER, THE APPLICANT SHALL NOT RENUMBER NOR EDIT THE REMAINING NOTES. IF ADDITIONAL NOTES ARE NCSDGD FOR SPECIFIC
ASPECTS, THEY SHALL BE ADDED AFTER THE ESC STANDARD PLAN NOTES,
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING SHALL BE HELD AMONG THE CITY OF RENTON, HEREBY
REFERRED TO AS THE CITY, THE APPLICANT, AND THE APPLICANT'S CONTRACTOR.
2, THE APPLICANT IS RESPONSIBLE FOR OBTAINING THE WASHINGTON STATE DEPARTMENT OF ECOLOGY (ECOLOGY) CONSTRUCTION STORMWATER GENERAL
PERMIT, IF IT IS REQUIRED FOR THE PROJECT. THE APPLICANT SHALL PROVIDE THE CITY COPIES OF ALL MONITORING REPORTS PROVIDED TO ECOLOGY
ASSOCIATED WITH THE CONSTRUCTION STORMWATER GENERAL PERMIT.
3. THE ESC PLAN SET SHALL INCLUDE AN ESC CONSTRUCTION SEQUENCE DETAILING THE ORDERED STEPS THAT SHALL BE FOLLOWED FROM CONSTRUCTION
COMMENCEMENT TO POST•PROAWT CLEANUP IN ORDER TO FULFILL PROJECT ESC REQUIREMENTS.
4. THE BOUNDARIES OF THE CLEARING LIMITS, SENSITIVE AREAS AND THEIR BUFFERS, AND AREAS OF VEGETATION PRESERVATION AND TREE RETENTION AS
PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY DELINEATED BY FENCING AND PROTECTED IN THE FIELD IN ACCORDANCE WITH APPENDIX D OF THE CITY OF
RENTON SURFACE WATER DESIG N MANUAL 1RENTON SWDM) PRIOR TO THE START OF CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE
BEYOND THE CLEARING LIMITS $HALL BE PERMITTED. THE CLEARING LIMITS $HALL BE MAINTAINED BY THE APPLICANT/ESC SUPERVISOR FOR THE DURATION OF
CONSTRUCTION,
5. STABILIZED CONSIRUG-1"I0N ENTRANCES SHALL BE INSTALLED AT rHE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECF.
ADDITIONAL MEASURES, SUCH AS CONSTRUCTED WHEEL WASH SYSTEMS OR WASH PADS, MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT
CLEAN AND TRACK -OUT TO ROAD RIGHT OF WAY DOES NOT OCCUR FOR THE DURATION OF THE PROJECT IF SEDIMENT IS TRACKED OFFSITE, PUBLIC ROADS SHALL
BE CLEANED THOROUGHLY AT THE END OF EACH DAY, OR MORE FREQUENTLY DURING WET WEATHER, AS NECESSARY TO PREVENT SEDIMENT FROM ENTERING
WATERS OF THE STATE.
8, WASHOUT FROM CONCRETE TRUCKS $HALL BE PERFORMED OPF•SITE OR IN DESIGNATED CONCRETIE WASHOUT AREAS ONLY. DO NOT WASH OUT CONCRETE
TRUCKS ONTO THE GROUND. OR TO STORM DRAINS OR OPEN DITCHES, ON -SITE DUMPING OF EXCESS CONCRETE SHALL ONLY OCCUR IN DESIGNATED CONCRETE
WASHOUT AREAS.
7. ALL REQUIRED ESC BMPS SHALL BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND/OR CONSTRUCTION TO PREVENT TRANSPORTATION OF
SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS ANO ADJACENT PROPERTIES. ALL ESC BMPS $HALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL
SUCH TIME THAT CLEARING AND/OR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE EROSION HAS PASSEEO. ALL rSC BMPS SHALL. BE REMOVED AFTER
CONSTRUCTION IS COMPLETED AND THE SITE HAS BEEN STABILIZED TO ENSURE POTENTIAL FOR ON -SITE EROSION DOES NOT EXIST, THE IMPLEMENTATION,
MAINTENANCE, REPLACEMENT, ENHANCEMENT, AND ETFMOVAL OF ESC BMPS SHALL BE THE RESPONSIBILITY OF THE Ar, PLICANT.
8. ANY HAZARDOUS MATERIALS OR LIQUID PRODUCTS THAT HAVE THE, POTENTIAL TO POLLUTE RUNOFF SHALL BE DISPOSED OF PROPERLY.
9. THE ESC BMP$ DEPICTQD ON THIS DRAWING ARE INTENDED TO BE MINIMUM REfQUIREMENT$ TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION
PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE APPLICANT SHALL ANTICIPATE THAT MORE ESC BMPS WILL Me NECESSARY TO M-NSURE
COMPLETE SILTATION CONTROL ON THE PRO POS ED SITE. DURING THE COURSE OF CONS'I RUCTION, IT SHALL B5 THE OSLIGA PION AND KESPONSIBILITY OF THE
APPLICANT TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL ESC BMPS, OVER AND ABOVE MINIMUM
REQUIREMENTS. AS MAYBE N"- DED, TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING L)RAINAOE 6YSTEM,
10, APPROVAL OF THIS PLAN IS FOR ESC ONLY, IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS,
CHANNELS, OR STORMWATFR FACILITIES.
11. ANY DEWATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF STORMWATER FACILITIES SHALL BE SUBMITTED TO THE CITY FOR REVIEW AND APPROVAL.
12, ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER 1 ST
THROUGH APRIL 30TH) OR SEVEN DAYS DURING THE DRY SEASON (MAY 1 ST THROUGH SOPTEMBEA 30THJ SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED
ESC COVER METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.) IN CONFORMANCE WITH APPENDIX D OF THE RENTON SWDM.
13• WET SEASON ESC; REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES BETWEEN OCTOBER 1ST AND APRIL 30TH. UNLESS OTHERWI$5 APPROVED BY THE CITY.
14, ANY AREA NEEDING ADDITIONAL ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED WITHIN SEVEN (7) DAYS,
15. THE ESC BMPS ON INACTIVE SITE$ SHALL BE INSPECTED AND MAINTAINED AT A MINIMUM OF ONCE A MONTH OR WITHIN 24 HOURS FOLLOWING A STORM EVENT.
INSPECTION AND MAINTENANCE SHALL OCCUR MORE FR5QU1:NTLYAS REQUIRED BY THE CITY.
16 BEFORE: COMMENCEMENT OF ANY CONSTRUCTION ACTIVITY, CATCH BASIN INSERTS PER THE CITY STANDARD PLAN 210,30 SHALL BE PROVIDED FOR ALL STORM
DRAIN INLETS DOWNSLOPE AND WITHIN 500 FEET OF A DISTURBED OR CONSTRUCTION AREA, UNLESS THC RUNOFF THAT ENTER& THV INLET WILL BE CONV"D
TO A SEDIMENT POND OR TRAP, ALL CATCH BASIN INSERTS SHALL BE PERIODICALLY INSPECTED AND REPLACED AS NECESSARY TO ENSURE FULLY FUNCTIONING
CONDITION.
17. AT NO TIME SHALL SEDIMCNT ACCUMULATION EXCEED VS OF THE CAPACITY OF THE CATCH BASIN SUMP, ALL CATCH BASIN$ AND CONVEYANCE LINES $HALL Be
CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM,
18. ANY PERMANENT STORMWATER FACILITY LOCATION USED AS A TEMPORARY SETTLING BASIN SHALL BE MODIPIED WITH THE NECESSARY ESC BMPS AND $HALL
PAQVIOE ADEQUATE STORAGE CAPACITY. IF THE TEMPORARY FACILITY IS TO ULTIMATELY FUNCTION AS AN INI'ILTRATION SYSTEM IN ITS PERMANENT STATE THE
TEMPORARY FACILITY $MALL BE ROUGH GRADED 30 THAT THE BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANENT
FACILITY,
19. AREAS DESIGNATED ON THE PLAN(S) CONTAINING EXISTING STORMWATER FACILITIES OR ON•SITE BMPS (AMENDED SOIL3, BIORETENTION, PERMEABLE PAVEMENT.
ETC.) SHALL BE CLEARLY FENCED AND PROTECTED USING E3C BMPS TO AVOID SEDIMENTATION AND COMPACTION DURING CONSTRUCTION.
20. PRIOR TO THE BEGINNING OF THE WET SEASON (OCTOBER IST), ALL 01STUR8CD AREAS SHALL BE INSPECTED TO IDENTIFY WHICH ONES SMALL BE $00040 OR
SEEDED IN PREPARATION FOR THE WINTER RAINS, DISTURBED AREAS SHALL BE SODDED OR SECDE"D WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON,
AN EXHIBIT OF THOSE AREAS TO BE SODDED OR SEEDED AND THOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE CITY FOR REVIEW,
21. PRIOR TO FINAL CONSTRUCTION ACCF.PTANCF, THE PROJECT SITE SHALL OF STABILIZED TO PREVENT $F.DIMF.NT-LADEN WATER FROM LEAVING THE PROJECT SITE,
ALL ESC BMPS SHALL BE REMOVED, AND STORMWATER CONVEYANCE SYSTEMS, FACILITIES, AND ON•SITE BMPS SHALL BE RESTORED TO THEIR FULLY
FUNCTIONING CONDITION, ALL DISTURBED AREAS OF THE PROJECT SITE SHALE. SE VEGETATED OR OTHERWISE PERMANENTLY STABILIZED. ATA MINIMUM,
111.5TURBED AREAS SMALL ME- RODDED OR SEEDED ANC) MIILCHED TO ENSURE THAT SUFFICIENT COVER WILL 0EVELOP SHORTLY AFTER. FINAL APPROVAL MULCH
WTHOUT SEEDING IS ADEQUATE FOR AREAS TO BE LANDSCAPED BEFORE OCTOBER 1ST.
22, ROCKERIES ARE: CONSIDERED TO BE A METHOD OF BANK STABILIZATION AND EROSION CONTROL, ROCKERIES SHALL NOT BP CONSTRUCTED TO SLRVE AB
RETAINING WALLS. ALL ROCKERIES Ito CIT,' ROAD RIGHTS, -OF -WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH CITY STANDARDS, ROCKERIES OUTSIDE OF
ROAD RIGHTS -OF -WAY SHALL BE CONSTRUCTED IN ACC:ORDANCF WITH THE INTERNATIONAL SUIT DING COAL.
1978'- '
' PVC L -
0, 0140
SOUTHEAST 2ND STREET - PROFILE
SCALE. 1 "=20' HORIZ.
1--- 5' VERr.
11 +00
UNLESS OTHERWISE NOTED, DRAWNG IS NOT TO SCALE (NTS)
AOD5TO. PLAN - 268.00
PRI• UBLIC WORKS EROSION AND SEDIMENT CONTROL ["OvEll:
DEPAR'rMENT STANDARD PLAN NOTES GAZ 9/28/2018 1
nyw
Public 4V'Wk1 Adlll "*IdWt DATE.
0
0 0
Know what's below.
Call before you dig.
AVIL1700 NW GILMAN BLVD, STE 200
ISSAQUAH, WA 98027
PHONE: (425) 821-5038
TOE IN SHEETING
4" x 4' MIN. TRENC
12+00
------- di--------- j
SEWER MANHOLE
RIM EL=395.85'
W 8' PVC IE=388.75'
W 8' PVC IE=379.60'
E 8[PVC IE=379.25"
LADDER (S)
NOTES:
1, CONDITIONS OF USE
1.1. PLASTIC COVERING MAY BE USED ON OISTURBEO AREAS THAT REQUIRE COVER MEASURES FOR LESS THAN 30 DAYS,
1.2. PLASTIC IS PARTICULARLY USEFUL FOR PROTECTING CUT AND FILL SLOPES AND STOCKPILES.
1A CLEAR PLASTIC SHEETING MAY BE USED OVER NEWLY -SEEDED AREAS TO CREATE A GREENHOUSE EFFECT AND ENCOURAGE GRASS GROWTH.
CLEAR PLASTIC SHOULD NOT BE USED FOR THIS PURPOSE DURING THE SUMMER MONTHS.
1.4. THIS METHOD SHALL NOT BE USED UPSLOPE OF AREAS THAT MIGHT BE ADVERSELY IMPACTED BY RUNOFF. SUCH AREAS mCWDE STEEP AND
UNSTABLE SLOPES.
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. PLASTIC SHEETING SHOULD HAVE A MINIMUM THICKNESS OF 0.06 MILLIMETERS.
2.2. IF EROSION AT THE TOE OF A SLOPE 19 LIKELY, A GRAVEL BERM, RIPRAP, OR OTHER SUITABLE PROTECTION SHALL BE INSTALLED AT THE TOE
OF THE SLOPE IN ORDER TO REDUCE THE VELOCITY OF RUNOFF.
2.3• TIRES, SAND BAGS, OR EQUIVALENT MAY BE. USED TO WEIGHT PLASTIC.
2.4. SEAMS BETWEEN SHEETS MUST OVERLAP A MINIMUM OF 12 INCHES AND BE WEIGHTED OR TAPED.
3. MAINTENANCE STANDARDS
3.1. TORN SHEETS MUST SE REPLACED AND OPEN SEAMS REPAIRED.
3.2. IF THE PLASTIC BEGINS TO DETERIORATE DUE TO ULTRAVIOIAT RADIATION, IT MUST BE COMPLETELY REMOVED AND REPLACED,
3.3. WHEN THE PLASTIC IS NO LONGER NEEDED. IT SHALL BE COMPLETELY REMOVED.
STD. PLAN - 213.30
PUBLIC WORKS PLASTIC COVERING s,
P1I DEPARTMENT GAZ
rybii, Violk: Adnl,Nkt'pt4 UAI E
400
395
390
385
380
EROSION CONTROL PLAN CATCH BASIN I
CATCH BASIN
RIM EL=394.94'
RIM EL=396.07'
GRAPHIC SCALE NE 15" CONC IE=393.29'
SW 15" CONC IE=394.27'
SW 15" CONC IE=393.19'
20 0 10 20
ASPHALT FLOW LINE
THICKENED EDGE
THICKENED EDGE
OF
SEWER CLEF
OF ASPHALT
ASPHALT
RIM EL=398
SCALE: 1" = 20'
\
IE=t391.5'
,
ASPHALT FLOW LINE ....
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PGS 88-89
. . IE=388.90" ` ASPHALT APN 3276150320
....: ...............:.:.:.:.DRIVEWAY.......... SITE AREA:
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DRAINAGE GRATE _\ r-1- /- TRIM
SEDIMENT AND DEBRIS
DRAINAGE GRATE
(RECTANGULAR GRATE SHOWN)
I �
I� '.i W. / / I
BELOW INLET GRATE DEVICE
^ OVERFLOW DYPA^1
a
BELOW INLET GRATE DEVICE
FILTERED
WATER
SECTION VIEW
ISOMETRIC VIEW
RETRIEVAL SYSTEM ( TYP. )
OVFRFLO01 BYPASS (TYP.)
NOTES:
1. PROTECTION SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE AND WITHIN 500 FEET OF A DISTURBED OR
CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS THE CATCH BASIN WILL BE CONVEYED TO A SEDIMENT POND OR TRAP.
2. INLET PROTECTION SHALL BE USED TO PROTECT THE DRAINAGE SYSTEM.
3. THE CONTRIBUTING DRAINAGE AREA MUST NOT BE LARGER THAN ONE ACRE.
4 SIZE THE BELOW INLET GRATE DEVICE (BIGO) FOR THE STORMWATER STRUCTURE IT WILL SERVICE.
S. THE SIGO SHALL HAVE A BUILT-IN HIGH -FLOW RELIEF SYSTEM (OVERFLOW BYPASS).
0. THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE BIOD WITHOUT SPILLING THE COLLECTED MATERIAL.
7. PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION
8. ANY SEDIMENT IN THr CATCH BASIN INSERT SHALL, BE REMOVED WHEN THE SEDIMENT HAS FILLED ONL-THIRD OF THE. AVAILABI.E
STORAGE. THE FILTER MEDIA FOR THE INSERT SHALL BE CLEANED OR REPLACED AT LOAST MONTHLY,
STD. PLAN - 216.30
URIPUBLIC WORKS Ary en:
DEPARTMENT CATCH BASIN INSERT GAZ 9/28/2018 1
rub ;:wn,W adnnnlvao, DATE
EROSION PROTECTION NOTE
ALL EXPOSED SOIL TO BE COVERED WITH MULCH, STRAW, AND/OR PLASTIC
SHEETING PER FIG. C.3.4.A AND/OR TABLE C.3.2.A KCSWDM. UNDER NO
CIRCUMSTANCES SHALL SOIL STOCKPILES BE LEFT UNCOVERED.
CONSTRUCTION SEQUENCE
A. CONDUCT PRE -CONSTRUCTION MEETING.
B. FLAG OR FENCE CLEARING LIMITS
C. POST SIGN WITH NAME AND PHONE NUMBER OF TESC SUPERVISOR.
D. INSTALL CATCH BASIN PROTECTION IF REQUIRED.
E. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S) IF REQUIRED.
F. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.).
G. CONSTRUCT SEDIMENT PONDS AND TRAPS (IF NEEDED) NOT ANTICIPATED.
H. GRADE AND STABILIZE CONSTRUCTION ROADS
L CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE SLOPE DRAINS,
ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT DEVELOPMENT.
J. MAINTAIN EROSION CONTROL MEASURE IN ACCORDANCE WITH CITY OF RENTON
STANDARDS AND MANUFACTURER'S RECOMMENDATIONS.
K. RELOCATE EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO THAT AS
SITE CONDITIONS CHANGE, THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN
ACCORDANCE WITH THE CITY TESC MINIMUM REQUIREMENTS
L. COVER ALL AREAS WITHIN THE SPECIFIED TIME FRAME WITH STRAW, WOOD FIBER
MULCH, COMPOST, PLASTIC SHEETING, CRUSHED ROCK OR EQUIVALENT.
M. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN 7 DAYS
N. SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS
0. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE STABILIZED
AND BEST MANAGEMENT PRACTICES REMOVED IF APPROPRIATE.
S-426202 I R-426202
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING
SAMorman 06/29/2023
WASTEWATER UTILITY
jstowell 06/29/2023
SURVEYED:
SURVEYED
SCALE:
SCALE
1' = 10'
VERTICAL. NAVD
HORIZONTAL-NAD 1983/183/1991
AdakI6CITY OF
LACHER SEWER EXT. PROFILE & TESC PLAN
MIL:
03-16-23
DESIGNED:
DESIGNED
FlELDBOOK: -
13606 139TH AVENUE SE
PAGE: -
DRAWN:F*`3RENTON
2
PER CITY COMMENTS
MPI
06-08-2023
EDM
MPI
Nkliv
DRAWING NO:
ONE INCH
DATUM
Planning/Building/Public Works Dept.
RENTON, WA 98059
TAX PARCEL NO. 3276150320
1
INITIAL PLAN SET
MPI
04-26-2023
EDM
CHECKED:
EDM
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
APPROVED
SHEET: n 0F:
NO.
REVISION
BY
DATE
AP P R
EDM
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