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b o r LEGEND
- — — — — — — - PROJECT LIMITS CONSTRUCTION ENTRANCE
o / Q- WHEEL WASH OR RUMBLE
SHORELINE STRIP
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U ® NEW CATCH BASIN
M; Q Q INLET PROTECTION
� � � a � I ® EXISTING CATCH BASIN INLET PROTECTION
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GENERAL NOTES
1. HORIZONTAL DATUM: WASHINGTON STATE COORDINATE SYSTEM, NORTH ZONE, NORTH
AMERICA DATUM 1983(91). VERTICAL DATUM: NATIONAL GEODETIC VERTICAL DATUM
1929 (NGVD29). VERTICAL DATUM CONVERSION: NGVD29 TO THE NORTH AMERICAN
,0/ VERTICAL DATUM 1988 (NAVD88) = NGVD29 + 3.60 FEET.
2. THERE SHALL BE NO EXPOSED GALVANIZED MATERIALS, COATINGS OR ZINC APPLIED
\ / J SURFACE TREATMENTS ON ANY EXTERIOR OR UNDERGROUND MATERIALS OR
SURFACES. ALL GALVANIZED OR ZINC APPLIED MATERIALS OR COATINGS SHALL BE
\ O / ``� / PERMANENTLY PAINTED OR COATED TO PREVENT EXPOSURE OF THE GALVANIZED/ZINC
/ MATERIALS PRIOR TO INSTALLATION OR COMPLETION OF CONSTRUCTION.
3. PROTECT AND RETAIN ALL EXISTING UTILITIES AND SITE FEATURES TO REMAIN, SEE SITE
m �_/ bREMOVAL PLANS.
U \/ 4. PROVIDE CATCH BASIN INLET PROTECTION TO ALL CATCH BASINS THAT HAVE POTENTIAL
0 TO RECEIVE SEDIMENT LADEN RUN-OFF DURING CONSTRUCTION.
/ 5. CONTRACTOR SHALL DETERMINE APPROPRIATE SAMPLING POINTS FOR CONSTRUCTION
/ STORMWATER PRIOR TO DISCHARGING IT TO THE EXISTING ONSITE CONVEYANCE SYSTEM
BASED ON THE CONTRACTORS PHASING PLAN. SAMPLING AND DISCHARGE LOCATIONS
SHALL BE COORDINATED WITH BOEING EHS REPRESENTATIVE.
«l /
6. CONTRACTOR SHALL PROVIDE CONSTRUCTION FENCING AT AREAS OF THE SITE WHICH
DO NOT HAVE EITHER TEMPORARY OR PERMANENT SURFACING BASED ON THE
CONTRACTOR'S CONSTRUCTION PHASING PLAN TO PREVENT VEHICULAR ACCESS.
7. CONTRACTOR SHALL CONTROL ANY DUST GENERATED BY EQUIPMENT, CONSTRUCTION,
OR REMOVAL.
\ N U
/ w 8. EROSION CONTROL MEASURES SHOWN ON THIS PLAN SHALL BE PER THE MOST
N". LLJ 1 % CURRENT COPY OF THE WASHINGTON STATE DEPARTMENT OF ECOLOGY STORMWATER
MANAGEMENT MANUAL FOR WESTERN WASHINGTON.
9. PERMANENT WATER QUALITY TREATMENT FACILITIES SHALL NOT BE USED TO CONVEY
OR CONTAIN CONSTRUCTION STORM WATER. NEW FACILITIES SHALL BE KEPT OFFLINE
I / �.I Cn UNTIL PROJECT IS COMPLETE. THE CONTRACTOR SHALL CLEAN AND FLUSH ALL PARTS
/ I 0 z OF THE SYSTEM PRIOR. SEE GENERAL NOTES ON SHEET C501-1A AND C501-1 B.
o
/ o 10. CONSTRUCTION OF BIORENTION CELLS SHALL BE PHASED SUCH THAT NO MORE THAN
o Q 3 INDIVIDUAL CELL LOCATIONS ARE DISTURBED AND A MAXIMUM OF 25 PARKING
/ � z STALLS ARE IMPACTED BY CONSTRUCTION ACTIVITIES UNLESS OTHERWISE DIRECTED BY
THE ENGINEER.
^ 0 11. SEE SHEET C501-2D DETAIL 1 AND 2 FOR INLET PROTECTION. SEE DETAIL 5 FOR
�-� U SLOT DRAIN PROTECTION.
0
CONSTRUCTION NOTES
Nd
o a w/� w ',;''`c ''' `'';.-;''� PROVIDE CATCH BASIN INLET PROTECTION AT ALL EXISTING AND NEWLY INSTALLED
za z Z o DRAINAGE COLLECTION STRUCTURES. SEE NOTE 11.
I 2� PROTECT NEWLY INSTALLED WATER QUALITY FACILITIES.
�S S(�` PROVIDE INLET PROTECTION WITH BERM OR WATTLE TO PREVENT STORM WATER
\ FROM ENTERING BIORENTION CELLS UNTIL PLANTING IS COMPLETE AND ALL
co I-0 MULCH AND STREAMBED COBBLES HAVE BEEN PLACED
/\� /Q KEY PLAN
/60 SCALE NONE
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R-401425
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
i Berg erAl AM CIVIL PERMIT SET DEVELOPMENT ENGINEERING ,
CALL 48 HOURS ��
� /3 20 0 20 40 � Ann Fowler 12/14/2018
BEFORE YOU DIG 33301 9th Avenue South, Suite 300 V
1-800-424-5555 Federal Way, Washington 98003-2600 DESIGN BY: BERGERABAM DATE 10/22/2018 scale feet Frstraka
URFAC12/14 2018UTILITY(206) 431-2300 Fax:(206) 431-2250 12/14/2018
SYM REVISION BY APPROVED DATE SYM REVISION BY APPROVED DATE DRAWN DATE SUBTITLE CURRENT REVISION SYMBOL DATE
�N P. THIS DESIGN B AND/OR CHECKED 10 09 18 TEMPORARY EROSION AND SEDIMENT CONTROL PLAN C180242 0 R G 10/09/18
ORIG MITIGATION HANGAR C180242 ABAM SPT 10/09/18 T� SPT 10/09/18 SHEET
�F WAsh�o SPECIFICATION IS APPROVED
ENGINEER TITLE MITIGATION HANGAR C501-2C C16
APPROVED BY DEPT. DATE BEE 10 09 18
CHECKED
RENTON SITE
�o R 3A o ww JOB NO. COMP N0.
���SIDNAL ��0 APPROVED C 1 80242
APPROVED CIVIL MASTER SITE RENTON, WA DWG NO. RTN—YD—0501-2C