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COLLAR
STORMFILTER
CARTRIDGE TYP.
FILTRATION
BAY INLET —
TYP.
FLOW
KIT
TYP.
Know what's below.
Cali before you dig.
VANED INLET
GRATE
(SOLID COVER
OPTIONAL)
2'-4"
INSIDE RIM
2'-0"
CLEANOUT
ACCESS
PLUG ON
WEIR WALL
■
u = �
1
��
1 _
_ 2'-4"
INSIDE RIM
7'-1 "
OUTSIDE RIM
PLAN VIEW
•
2'-8"
B
B�
SECTION A -A
2'-4"
INSIDE RIM
2'-0"
-tl-
CONCRETE
COLLAR AND
REBAR TO MEET
HS20 IF
APPLICABLE BY
CONTRACTOR
W
N �
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ACCESS COVER
OPTIONAL SLOPED
IUD,
CORNER
ELEVATIONS TO BE
SPECIFIED BY
ENGINEER
PERMANENT
POOL ELEVATION
CARTRIDGE
SUPPORT TYP.
CATCHBASIN FOOT
(TYP. OF 4)
2 CARTRIDGE CATCH BASIN STORMFILTER DETAIL
NOT TO SCALE
FLOATABLES BAFFLE
PERMANENT
POOL LEVEL
FINISHED GRADE
C
Q
I
FILTRATION
BAY
INLET
5"-
INLET STUB
(OPTIONAL)
2'-0"
INSIDE
2'-0/2"
OUTSIDE
SECTION B-B
LIFTING EYE
(TYP. OF 4)
WEIR WALL
5"
FLOW
OUTLET STUB
OUTLET PIPE
FROM FLOWKIT
CATCHBASIN FOOT
(TYP. OF 4)
ENGINEERED SOLUTIONS LL
STORMFILTER CATCHBASIN DESIGN NOTES
STORMFILTER TREATMENT CAPACITY IS A FUNCTION OF THE CARTRIDGE SELECTION AND THE NUMBER OF CARTRIDGES. 2 CARTRIDGE CATCHBASIN
HAS A MAXIMUM OF TWO CARTRIDGES. SYSTEM IS SHOWN WITH A 27" CARTRIDGE, AND IS ALSO AVAILABLE WITH AN 18" CARTRIDGE. STORMFILTER
CATCHBASIN CONFIGURATIONS ARE AVAILABLE WITH A DRY INLET BAY FOR VECTOR CONTROL.
PEAK HYDRAULIC CAPACITY PER TABLE BELOW. IF THE SITE CONDITIONS EXCEED PEAK HYDRAULIC CAPACITY, AN UPSTREAM BYPASS STRUCTURE IS
REQUIRED.
CARTRIDGE SELECTION
CARTRIDGE HEIGHT
27"
18"
18" DEEP
RECOMMENDED HYDRAULIC DROP (H)
3.05'
2.3'
3.3'
SPECIFIC FLOW RATE (gpm/sf)
2 gpm/ft2
1 gpm/ft2
2 gpm/ft2
1 1 gpm/ft2
2 gpm/ft2
I 1 gpm/ft2
CARTRIDGE FLOW RATE (gpm)
22.5
1 11.25
15
1 7.5
15
1 7.5
PEAK HYDRAULIC CAPACITY
1.0
1.0
1.8
INLET PERMANENT POOL LEVEL (A)
1'-0"
1'-0"
2'-0"
OVERALL STRUCTURE HEIGHT (B)
4'-9"
3'-9"
4'-9"
GENERAL NOTES
1. CONTECH TO PROVIDE ALL MATERIALS UNLESS NOTED OTHERWISE.
2. FOR SITE SPECIFIC DRAWINGS WITH DETAILED STORMFILTER CATCHBASIN STRUCTURE DIMENSIONS AND WEIGHTS, PLEASE CONTACT YOUR
CONTECH ENGINEERED SOLUTIONS LLC REPRESENTATIVE. www.contechES.com
3. STORMFILTER CATCHBASIN WATER QUALITY STRUCTURE SHALL BE IN ACCORDANCE WITH ALL DESIGN DATA AND INFORMATION CONTAINED
IN THIS DRAWING.
4. INLET SHOULD NOT BE LOWER THAN OUTLET. INLET (IF APPLICABLE) AND OUTLET PIPING TO BE SPECIFIED BY ENGINEER AND PROVIDED BY
CONTRACTOR.
5. STORMFILTER CATCHBASIN EQUIPPED WITH 4 INCH (APPROXIMATE) LONG STUBS FOR INLET (IF APPLICABLE) AND OUTLET PIPING. STANDARD
OUTLET STUB IS 8 INCHES IN DIAMETER. MAXIMUM OUTLET STUB IS 15 INCHES IN DIAMETER. CONNECTION TO COLLECTION PIPING CAN BE
MADE USING FLEXIBLE COUPLING BY CONTRACTOR.
6. STEEL STRUCTURE TO BE MANUFACTURED OF 1/4 INCH STEEL PLATE. CASTINGS SHALL MEET AASHTO M306 LOAD RATING. TO MEET HS20
LOAD RATING ON STRUCTURE, A CONCRETE COLLAR IS REQUIRED. WHEN REQUIRED, CONCRETE COLLAR WITH QUANTITY (2) #4
REINFORCING BARS TO BE PROVIDED BY CONTRACTOR.
7. FILTER CARTRIDGES SHALL BE MEDIA -FILLED, PASSIVE, SIPHON ACTUATED, RADIAL FLOW, AND SELF CLEANING. RADIAL MEDIA DEPTH SHALL
BE 7-INCHES. FILTER MEDIA CONTACT TIME SHALL BE AT LEAST 37 SECONDS.
8. SPECIFIC FLOW RATE IS EQUAL TO THE FILTER TREATMENT CAPACITY (gpm) DIVIDED BY THE FILTER CONTACT SURFACE AREA (sq ft).
INSTALLATION NOTES
A. ANY SUB -BASE, BACKFILL DEPTH, AND/OR ANTI -FLOTATION PROVISIONS ARE SITE -SPECIFIC DESIGN CONSIDERATIONS AND SHALL BE
SPECIFIED BY ENGINEER OF RECORD.
B. CONTRACTOR TO PROVIDE EQUIPMENT WITH SUFFICIENT LIFTING AND REACH CAPACITY TO LIFT AND SET THE CATCHBASIN (LIFTING
CLUTCHES PROVIDED).
C. CONTRACTOR TO TAKE APPROPRIATE MEASURES TO PROTECT CARTRIDGES FROM CONSTRUCTION -RELATED EROSION RUNOFF.
PERMIT SET
SURVEYED: SCALE:
VERTICAL: NAw 19W
CITY OF RENTON PERMIT SUBMITTAL COMMENTS ACB 3/11/14 WJF AS NOTED HORIZONTAL. NAD 1983/1991
DESIGNED:
4 ADDENDUM NO. 4 ACB 1/28/14 WJF A BRAUN
MWNADDENDUM NO. 3 ACB 1/24/14 WJF F. KATONA
L ADDENDUM NO. 1 ACB 1/17/14 WJF CHECKED: �— DATUM
W. FIERST IF NOT ONE NCH
NO. REVISION BY DATE APPR APPROVm: SOALE ACCOROINGLY
S. COMFORT
Checked for Compliance to City Standards
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�SIONAL��
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T 371503
��----�if N0110E T A C 0 M A - SEATTLE • SPOKANE TRI-CITIES
ALTERATION OF THIS DOCUMENT SHALL INVALIDATE THE
PROFESSIONAL SEAL AND SIGNATURE PUBLICATION OF
ItCITY OF
'dR
NOL RENTON
THIS OWNERSHIP
DOCUMENT DOES NOT HIS DOCUMENT
FROM RESERVED 2215 North 30th Street, Suite 300 Tacoma, WA 98403
OMNERSHIP RIGHTS IN IT. THIS DOCUMENT IS FOR USE
ONLY FOR THE PRUCT IDENTIFIED IN THE TITLE BLOCK
AODIND I TOOT TO THAT BE USEDT OR OR R OTFER �T 253.383.2422 TEL 253,383.2572 FAX www.ahbl.com WEB
DATE:
RENTON ACADEMY AT SPRING GLEN ELEMENTARY 31 MARCH 2O14
SITE IMPROVEMENTS FlELDEKIOK:
RENTON SCHOOL DISTRICT PAGE
DRAWING NO:
Planning/Building/Public works Dept. 2 CARTRIDGE CATCH BASIN STORMFILTER DETAIL C6'8
SHEET: OF:
34 35
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