HomeMy WebLinkAboutTED4003450.28In[
SCALE: 1' = 20'
20' 10' 0 20' 40'
CONTOUR INTERVAL = 2'
NOTE: ALL BUILDINGS, FENCES AND
STRUCTURES TO BE REMOVED
WITHIN PROJECT BOUNDARY.
INTERCEPTOR SWALE WITH
CHECK DAMS SEE DETAILS
ON SHEET ER-03
EXISTING AV LDRIVE. CONTRACTOR
TO GAIN OWNER PERMISSION AND
ADJUST GRADE USING SIMILAR MATERIAL
AS REQUIRED. MAINTAIN ACCESS
DURING CONSTRUCTION.
SILT FENCE TO BE PLACED AT
CLEARING LIMITS, SEE STD PLAN
214.00 ON SHEET ER-03
Cal 2 Working Days Before You Dig
1-800-424-5555
Utilities Underground Location Center
(ID,MT,ND,OR,WA)
IN
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A PORTION OF THE NW 1 /4 OF SECTION 15, TWP. 23 N. RGE. 5 E. W.M. KING COUNTY, WASHINGTON
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p \CRI11CAL AREA
�� "``�•I- '0�. CLASS 3 WETLAND
SIGNIFICANT
TREES TO ~� \
CLEARING LIMITS '
SENSITIVE AREA
BUFFER
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7 FP=402.75 FP=402.75 `
FP=403.75
I I FP=401.75 '
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FP=400.75
INSTALL DOUBLE ROW OF
SILT FENCE ALONG WETLAND
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AND STREAM BUFFER.
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FP=400.25
203+00
1 NGPE FENCE TO BE PLACED !
TAT CLEARING LIMITS.
NE 2ND COURT
yi Fme BUFFER
75 /
FP=399.r ` _ I FP=390.7
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TESC POND
tui� r FP-403 75
SURFACE AREA REQ D=3,542 SF , TESC POND PER STD
INTERCEPTOR SWALE WITH
CHECK DAMS SEE DETAILS!
ON SHEET ER-03
FP=401.25
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ti TOP 401.25
FP=402.75 C,;
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1 o TOP 402.75
�- 396.75
1 ` ROCKERY DESIGN
1 BY OTHERS 1
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1 � FP=400.75 ¢ BOT 396.75
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FP=398.75
t I J�
CATCH BASIN FILTER -�
� (TYP) PER STD PLAN
/ �216.30 ON SHEET ER-03 -
\ 104+00
105+00,
NE 2ND PLACE T CLEARING
/ LIMITS
CHECKED FOR COMPLIANCE
TO CITY STANDARDS
RENTON JOB NO.
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1 SECOND SUBMITTAL ESM
2 THIRD SUBMITTAL ESM
3 FOURTH SUBMITTAL ESM
4 MYLARS ESM
S CONSTRUCTION SET ESM
REVISION
SURFACE AREA PROVIDED=3,675 PLAN 216.00 ON
POND DEPTH=3.5 I SHEET ER-03
1 I I SEE TABLE THIS SHEET
FOR MORE INFORMATION
f ► JI � I I
1 FP=399.25 FP=390.25
I 6' EMERGENCY OVERFLOW
F W SPILLWAY. ELEV =389.5
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40 L. F. 12"0
S=1.25% z
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I I CRITICAL AREA
u � TYPE 4 STREAM
FP=397.75 I
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P FP= 88.75
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I TESC POND OUTLET
I.E.=384.50, 12"0
I i 12" RISER j
` l I.E. =385.00, 12" 0
PER DETAIL 216.10
/ I ON SHEET ER-03
STORMWATER VAULT
FINISHED GRADE=395.00
+
BUFFER '
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CONSTRUCTION ENTRANCE SEE
I DETAIL 21510 ON SHEET ER-03
WET SEASON PROVISIONS
NOTE: THE FOLLOWING MEASURES ARE REQUIRED FOR CONSTRUCTION
DURING THE WET SEASON (OCTOBER 1 - APRIL 30) IN ADDITION
TO THE STANDARD TESC MEASURES,
1. THE ALLOWED TIME THAT A DISTURBED AREA MAY REMAIN
UNWORKED WITHOUT COVER MEASURES IS REDUCED TO TWO
CONSECUTIVE WORKING DAYS, RATHER THAN SEVEN (SECTION D.3.2),
2. STOCKPILES AND STEEP CUT AND FILL SLOPES ARE TO BE
PROTECTED IF UNWORKED FOR MORE THAN 12 HOURS (SECTION
D.3.2).
3. COVER MATERIALS SUFFICIENT TO COVER ALL DISTURBED AREAS
SHALL BE STOCKPILED ON SITE (SECTION D.3.2).
4. ALL AREAS THAT ARE TO BE UNWORKED DURING THE WET SEASON
SHALL BE SEEDED WITHIN ONE WEEK OF THE BEGINNING OF THE
WET SEASON (SECTION D.3.2.5).
5. MULCH IS REQUIRED TO PROTECT ALL SEEDED AREAS (SECTION
D.3.2.1).
6. FIFTY LINEAR FEET OF SILT FENCE (AND THE NECESSARY STAKES)
PER ACRE OF DISTURBANCE MUST BE STOCKPILED ON SITE
(SECTION D.3.3.1).
T CONSTRUCTION ROAD AND PARKING LOT STABILIZATION ARE
REQUIRED FOR ALL SITES UNLESS THE SITE IS UNDERLAIN BY
COARSE -GRAINED SOIL (SECTION D.3.4.2).
8. SEDIMENT RETENTION IS REQUIRED UNLESS NO OFFSITE DISCHARGE
IS ANTICIPATED FOR THE SPECIFIED DESIGN FLOW (SECTION D.3.5).
9. SURFACE WATER CONTROLS ARE REQUIRED UNLESS NO OFFSITE
DISCHARGE IS ANTICIPATED FOR THE SPECIFIED DESIGN FLOW
(SECTION D.3.6).
10. PHASING AND MORE CONSERVATIVE BMPS MUST BE EVALUATED FOR
CONSTRUCTION ACTIVITY NEAR THE SURFACE WATERS (SECTION
D.5.3),
11. ANY RUNOFF GENERATED BY DEWATERING MAY BE REQUIRED TO
DISCHARGE TO THE SANITARY SEWER (WITH APPROPRIATE DISCHARGE
AUTHORIZATION), PORTABLE SAND FILTER SYSTEMS, OR HOLDING
TANKS.
12. THE FREQUENCY OF MAINTENANCE REVIEW INCREASES FROM
MONTHLY TO WEEKLY (SECTION D.5.4).
TEMPORARY SEDIMENT POND
SUB BASIN AREA
= 4.15 AC.
INFLOW 10YR/15MIN
= 1.77 CFS
SURFACE AREA (REQ'D)
= 3,542 S.F.
SURFACE AREA PROVIDED
= 3,675 S.F.
POND DEPTH
= 3.5'
TOP BERM ELEV.
= 390.5
EMERGENCY SPILLWAY ELEV.
= 389.5
WATER SURFACE ELEV.
= 388.5
EMERGENCY SPILLWAY WIDTH
= 6.0'
POND BOTTOM ELEV.
= 385.0
POND TOP LENGTH
= 105'
POND TOP WIDTH
= 35'
DEWATERING ORIFICE DIA.
= 2 7/16"
DEWATERING TUBE DIA.
= 6"
RISER PIPE DIA.
= 12"
CONDITIONS FOR WET SEASON
CONSTRUCTION
1. ANY CONSTRUCTION THAT WILL RESULT IN DISTURBED AREAS ON OR
WITHIN A CRITICAL AREA OR ASSOCIATED BUFFER, SHALL BE
SUBJECT TO THE "CRITICAL AREA RESTRICTIONS" CONTAINED IN THE
ESC STANDARDS. THESE PROVISIONS INCLUDE PHASING THE PROJECT
WHENEVER POSSIBLE SO THAT CONSTRUCTION IN THESE AREAS IS
LIMITED TO THE DRY SEASON.
2. DURING CONSTRUCTION, ESC PLANS SHALL BE REVISED AS
NECESSARY BY THE ESC SUPERVISOR OR AS DIRECTED BY THE CITY
TO ADDRESS CHANGING SITE CONDITIONS, UNEXPECTED STORM
EVENTS, OR NON-COMPLIANCE WITH THE ESC PERFORMANCE
CRITERIA IN SECTION D.4.1 (P. D-69). IF NON-COMPLIANCE WITH
THE ESC PERFORMANCE CRITERIA OCCURS, THE PLAN MUST BE
UPDATED WITHIN 48 HOURS (FAILURE TO DO SO COULD RESULT IN
A `STOP WORK" ORDER AS DETERMINED BY THE CITY INSPECTOR)
OF INSPECTIONS OR INVESTIGATIONS. IMPLEMENTATION OF THE
ONSITE CHANGES MUST OCCUR WITHIN 5 DAYS.
3. ALL ESC MEASURES SHALL BE MAINTAINED AND REVIEWED ON A
REGULAR BASIS AS PRESCRIBED IN THE MAINTENANCE
REQUIREMENTS FOR EACH BMP AND IN THIS SECTION. THE ESC
SUPERVISOR SHALL REVIEW THE SITE AT LEAST WEEKLY DURING THE
WET SEASON, AND WITHIN 24 HOURS OF SIGNIFICANT STORMS. IN
GENERAL, A SIGNIFICANT STORM IS ONE WITH MORE THAN 0.5
INCHES OF RAIN IN 24 HOURS OR LESS, THE CITY MAY REQUIRE
THAT A WRITTEN RECORD OF THESE REVIEWS BE KEPT ON SITE
WITH COPIES SUBMITTED TO THE CITY WITHIN 48 HOURS.
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I A __�_ _ _ �_ ► RECORD DRAWING
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1 /31/200E SURVEYED SCALE VERTICAL NAVD ' 988
10/22/201 C 1 •s209 HORIZONTAL'. NAD ' 98v/199' ' � CITY OF G LA D C O DEVELOPMENT, L.L.C.
DESIGNED LV
12/06/201 P
DRAWN'
m RENTON ROSEWOOD HIGHLANDS AGE,°°K:
PAGE
-
12/22/201
ONE ;NDRAwNG NO-
02/24j2011 cHFcKm: AT EU�� SCALE CH DATUM Planning/Building/Public works Dept. T.E.S.C. AND GRADING PLAN ER-02
-
IF NOT ONE NCH
DATE AP P R APPROVED_ SCALE ACCORDINGLY
SHEET: 6 OE`31
REVISIONS
NO,
DESCRIPTION/DATE
BY
SECOND SUBMITTAL
ESM
01j31/2008
THIRD SUBMITTAL
ESM
10j22/2010
3
FOURTH SUBMITTAL
ESM
12/06/2010
4
MYLARS
12/22/2010
ESM
_
CONSTRUCTION SET
ESM
02/24/2011
6
AS BUILTS
0911212011
ESM
AS BUILT MYLARS
ESM
10/19/2011
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DATES 10/'19,/2011
DATE OF
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