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SITE SPECIFIC DATA
PROJECT NUMBER
7606
PROJECT NAME
BOEING MITIGATION HANGAR
PROJECT LOCATION
RENTON, WA
STRUCTURE ID
RTU-17
TREATMENT REQUIRED
VOLUME BASED (CF)
FLOW BASED (CFS)
*0.409
TREATMENT HGL AVAILABLE (FT)
N/A
PEAK BYPASS REQUIRED (CFS) —
IF APPLICABLE
2.176
PIPE DATA
I.E.
MATERIAL
DIAMETER
INLET PIPE
16.67
DI
12"
OUTLET PIPE
15.20
HDPE
12"
PRETREA TMENT
BIOFIL TRA TION
DISCHARGE
RIM ELEVATION
19.00
19.00
19.00
SURFACE LOAD
120 KIPS
120 KIPS
120 KIPS
FRAME & COVER
36" X 36','
36" X 74 "
(2) 36" X 74';
(2) 36" X 36"
ly
(2) 30 X 30
INDUSTRIAL MEDIA
VOLUME (CY)
4.48
INDUSTRIAL MEDIA
DELIVERY METHOD
PER CONTRACT
ORIFICE SIZE (DIA.
INCHES)
(2) 01.99 "
NOTES- *A TOTAL
TREATMENT FLOW.
OF TWO MWS UNITS WILL PROVIDE THE REQUIRED
INSIALLAIIUN NUIES
ENAH FOUNDRY PATENTED NEENAH FOUNDRY VERTICAL NEENAH FOUNDRY
RE3498 R3S SPRING PERIMETER — RING UNDERDRAIN 9SPRING
[ASSIST HATCHES
ASSIST HATCH VOID AREA MANIFOLD ASSIST HATCH
r
r
��
-' • ifSiSltl9
N
NEENAH FOUNDRY
INDUSTRIAL MEDIA R-3498—P2S
BED C L SPRING ASSIST
HATCH
5
NEENAH FOUNDRY _
R-3498—P2S —
SPRING ASSIST HATCH ." 4 I 2 1
LJ -- -- -- -- -- -- -- -- --- - -- -
I i -
OUTFLOW PIPE DRAIN DOWN LINE PRE —FILTER +
SEE NOTES NEENAH FOUNDRY NEENAH FOUNDRY CARTRIDGE
R-3498—R3S SPRING R-3498—R2S SPRING
ASSIST HATCHES ASSIST HATCH INFLOW PIPE
SEE NOTES
PLAN VIEW
19.00
16.49
IE IN
FLOW CONTROL 16.67
RISER
TOP 01
1.
CONTRACTOR TO PROVIDE ALL LABOR, EQUIPMENT, MATERIALS AND
IE our
WEIR
1s.28
INCIDENTALS REQUIRED TO OFFLOAD AND INSTALL THE SYSTEM AND _ _
__ _ ______ _ ___ _ _._ _ _._ ,
15.20
APPURTENANCES IN ACCORDANCE WITH THIS DRAWING AND THE
MANUFACTURERS SPECIFICATIONS, UNLESS OTHERWISE STATED IN WATER TABLE
10 —10» 4» _
— 12 —10»
MANUFACTURERS CONTRACT 15.20
DISCHARGE PRETREATMENT
2.
UNIT MUST BE INSTALLED ON LEVEL BASE MANUFACTURER 6"�
CHAMBER CHAMBER
�6»
24'-0»
RECOMMENDS A MINIMUM 6" LEVEL ROCK BASE UNLESS SPECIFIED
25'-0»
BY THE PROJECT ENGINEER, CONTRACTOR IS RESPONSIBLE TO
VERIFY PROJECT ENGINEERS RECOMMENDED BASE SPECIFICATIONS.
ELEVATION VIEW
J.
ALL PIPES MUST BE FLUSH WITH INSIDE SURFACE OF CONCRETE.
(PIPES CANNOT INTRUDE BEYOND FLUSH). INVERT OF OUTFLOW PIPE
MUST BE FLUSH WITH DISCHARGE CHAMBER FLOOR. ALL GAPS
AROUND PIPES SHALL BE SEALED WATER TIGHT WITH A NON —SHRINK
GROUT PER MANUFACTURERS STANDARD CONNECTION DETAIL AND
SHALL MEET OR EXCEED REGIONAL PIPE CONNECTION STANDARDS.
4.
CONTRACTOR TO SUPPLY AND INSTALL ALL EXTERNAL CONNECTING
PIPES.
5.
CONTRACTOR RESPONSIBLE FOR INSTALLATION OF ALL RISERS,
MANHOLES, AND HATCHES. CONTRACTOR TO GROUT ALL MANHOLES
INTERNAL BYPASS DISCLOSURE:
AND HATCHES TO MATCH FINISHED SURFACE UNLESS SPECIFIED
OTHERWISE.
THE DESIGN AND CAPACITY OF THE PEAK CONVEYANCE METHOD TO BE REVIEWED
6.
DRIP OR SPRAY IRRIGATION REQUIRED ON ALL UNITS WITH VEGETATION.
AND APPROVED BY THE ENGINEER OF RECORD. HGL(S) AT PEAK FLOW SHALL BE
ASSESSED TO ENSURE NO
UPSTREAM FLOODING. PEAK HGL AND BYPASS
GENERAL NOTES
CAPACITY SHOWN ON DRAWING ARE USED FOR GUIDANCE ONLY.
1. MANUFACTURER TO PROVIDE ALL MATERIALS UNLESS OTHERWISE NOTED.
THE PRODUCT DESCRIBED MAY BE
PROPRIETARY AND CONFIDENTIAL.-
2. ALL DIMENSIONS, ELEVATIONS, SPECIFICATIONS AND CAPACITIES ARE SUBJECT TO
PROTECTED BY ONE OR MORE OF
THE FOLLOWING US PATENTS:
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE
Bio
CHANGE. FOR PROJECT SPECIFIC DRAWINGS DETAILING EXACT DIMENSIONS, WEIGHTS
7425,262; 7,470,362; 7674,378;
PROPERTY OF MODULAR WETLANDS SYSTEMS. ANY
AND ACCESSORIES PLEASE CONTACT MANUFACTURER.
8 s03 816; RELATED FOREIGN
PATENTS OR OTHER PATENTS PENDING
REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN
PERMISSION OF MODULAR WETLANDS SYSTEMS IS PROHIBITED.
A FOrterra Company
+ 4»
�4'-0"�
8" 8'_0» 8»
9'-4»
LEFT END VIEW
NEENAH FOUNDRY NEENAH FOUNDRY
R-3498—R2S SPRING R-3498—R3S SPRING
o ASSIST HATCH ASSIST HATCH
,I
C/L
+ 4"-
8» —4'-0»— —8»
9'-4»
RIGHT END VIEW
TREATMENT FLOW (CFS) 0.205
OPERATING HEAD (FT) 1.0
PRETREATMENT LOADING RATE (GPM/SF) 1.7
INDUSTRIAL MEDIA LOADING RATE (GPM/SF) 1.0
MWS-L -8-24- V- UG
STORM WA TER BIOFIL TRA TION SYSTEM
STANDARD DETAIL
NEAR MODULAR WETLAND SYSTEM RTU017
01-6A SCALE: NTS
AIRCRAFT
RATED HATCHES
72" X
36" DOUBLE
NEENAH R-3498—R3S
62" X
36" DOUBLE
EAST JOURDAN
8196—DOUBLE
36" X
36" SINGLE
NEENAH R-3498—R2S
24"
DIA ROUND
NEENAH
R-3492
NOTES:
1. ALL VAULT STRUCTURES AND ASSOCIATED ACCESS LIDS AND HATCHES
SHALL MEET THE DESIGN LOADING REQUIREMENTS SHOWN ON SHEET
C501-1 C.
2. THE LIFTING FORCE REQUIRED TO OPEN ACCESS LIDS AND HATCHES SHALL
BE A MAXIMUM OF 35—POUNDS. HINGED LIDS AND ACCESS HATCHES SHALL
BE EQUIPPED WITH A HYDRAULIC LIFT ASSIST SYSTEM AS REQUIRED TO
MEET THE MAXIMUM LIFTING FORCE REQUIREMENTS.
3. MODULAR WETLAND FRAMES, HATCHES, AND LIDS SHALL BE AS SHOWN IN
THE TABLE ABOVE OR ENGINEER APPROVED EQUAL.
4. SEE 501-5C FOR LID ELEVATIONS.
5. PERMANENT WATER QUALITY TREATMENT FACILITIES SHALL NOT BE USED TO
CONVEY OR CONTAIN CONSTRUCTION STORM WATER. NEW FACILITIES SHALL
BE KEPT OFFLINE UNTIL PROJECT IS COMPLETE. THE CONTRACTOR SHALL
CLEAN AND FLUSH ALL PARTS OF THE SYSTEM PRIOR. SEE GENERAL NOTES
ON SHEET C501-1A AND C501-113.
6. SEE STRUCTURAL PLANS FOR STRUCTURAL SUPPORT DETAIL.
R-401459
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
iBergerABAM CIVIL PERMIT SET DEVELOPMENT ENGINEERING +
CALL 48 HOURS
V3 Ann Fowler 12/14/2018
BEFORE YOU DIG 33301 9th Avenue South, Suite 300
DESIGN BY
1-800-424-5555 Federal Way, Washington 98003-2600 : BERGERABAM DATE 10/22/2018 SURFACE WATER UTILITY
(206) 431-2300 Fax: (206) 431-2250
rstraka 12/14/2018
DRAWN DATE SUBTITLE CURRENT REVISION SYMBOL DATE
SYM REVISION BY APPROVED DATE SYM REVISION BY APPROVED DATE
ACCEPTABILITY HL 10/09/18 STORM DETAILS C180242 O R G 10/09/18
ORIG MITIGATION HANGAR C180242 ABAM SPT 10/09/18 ��N P T THIS DESIGN AND/OR CHECKED
of WAsx, �i' SPT 10/09/18 SHEET
SPECIFICATION IS APPROVED
""A
��� ® �� APPROVED BY DEPT. DATE ENGINEER 10/09/18 TITLE MITIGATION HANGAR
CHECKED C501-6M C52
RENTON SITE
�o R 31271 o ww JOB NO. COMP NO.
L�ss�oNaL APPROVED C 180242
APPROVED CIVIL MASTER SITE RENTON, WA DWG NO. RTN—YD—0501-6M