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ACCESS COVER
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STORMFILTER
CARTRIDGE
PERMANENT
POOL ELEVATION
CARTRIDGE
SUPPORT
FLOW KIT
CATCHBASIN FOOL
(TY P. OF 4)
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CONCRETE COLLAR
AND REBAR TO MEET
HS20 IF APPLICABLE BY
CONTRACTOR
STORMFILTER CATCHBASIN DESIGN NOTES
STORMFILTER TREATMENT CAPACITY IS A FUNCTION OF THE CARTRIDGE SELECTION AND THE NUMBER OF CARTRIDGES. 1 CARTRIDGE CATCHBASIN
HAS A MAXIMUM OF ONE CARTRIDGE. 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/sD
2 gpmlft2
1 gpm/ft2
2 gpm
gpm/ft2
2 gp
gpm/ft2
CARTRIDGE FLOW RATE (gpm)
22.5
11.25
15 ><
7.5
15 ><
7.5
PEAK HYDRAULIC CAPACITY
1.0
1.0
1.8
INLET PERMANENT POOL LEVEL (A)
1'-01,
1'-01,
2'-0"
OVERALL STRUCTURE HEIGHT (B)
4'-9"
3-9"
4-9"
GENERAL NOTES
VANED INLET GRATE 1
2
2'-4" � 2'-4" � 3
INSIDE RIM INSIDE RIM 4
5
4'-8 Y411
OUTSIDE RIM 6
PLAN VIEW 7
OPTIONAL
% SLOPED LID
LTRATION
AY INLET
m
INLET STUB
(OPTIONAL)
UT
PLUG
ON WEIR WALL
SECTION A -A
The Stamwater Management
StormFilter®
TH L^PROC CT UAY 6 E PROTEC-TE C BY ON O R UOR E O F TH E FO LLOMNG
U Z. PATENT. 5=.d2.5S' S]d.5.T:]S'.']. um.157
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R ELATE C FO R EIGN PATffM. OR OTH E R PATENT. PEN MG.
CONTECH TO PROVIDE ALL MATERIALS UNLESS NOTED OTHERWISE.
FOR SITE SPECIFIC DRAWINGS WITH DETAILED STORMFILTER CATCHBASIN STRUCTURE DIMENSIONS AND WEIGHTS, PLEASE CONTACT YOUR CONTECH ENGINEERED
SOLUTIONS LLC REPRESENTATIVE. vwwv.contechES.com
STORM FILTER CATCHBASIN WATER QUALITY STRUCTURE SHALL BE IN ACCORDANCE WITH ALL DESIGN DATA AND INFORMATION CONTAINED IN THIS DRAWING.
INLET SHOULD NOT BE LOWER THAN OUTLET. INLET (IF APPLICABLE) AND OUTLET PIPING TO BE SPECIFIED BY ENGINEER AND PROVIDED BY CONTRACTOR.
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.
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 #4 REINFORCING BARS TO BE PROVIDED BY CONTRACTOR.
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.
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.
FLOATABLES
BAFFL
PERMANEN'
POOL ELEVATIOI
FILTRATION BAY
INLET
INLET STUB
(OPTIONAL)
I N51 UE (TYP. OF 4)
2'-OY"
z
OUTSIDE
SECTION B-B
1
REWSED DRIVEWAYS, SSMH 2 & SELECT SERVICES
LMT
1412118
2
ADJUST LOTS 6-6
LMT
5122118
3
UPDA TED CURB RAMP PER CITY COMMENTS
LMT
6115118
4
WATER UPDATES PER FIELD CONDITIONS
SDC
7/10/18
5
REWS1ONS TO EAST END OF ALLEY (SW 3RD CT)
CH
8/10/18
N0.
1 REVISION
T'—F
DATE
APPR
SURVEYM
S[
L F
EVENS, PLS
AS NOTED
DESIGNED:
SHAWN COOPER
DRWN:
SHAWN COOPER
ONE INCH
gym"
BRErf K. PUDMST PE
AT FULL SCALE
IF NOT ONE MCH
APPROVED
$CftE ACCOROIMLY
BRER K. PUDI51'5, PE
VEHIICISL• NAVD 19M
HORIZONTAL• WD IN3/1"I
DATU M
1-CARTRIDGE CATCHBASIN
STORMFILTER DATA
STRUCTURE ID
CB 10
WATER QUALITY FLOW RATE (cfs)
0.034
PEAK FLOW RATE (<1 cfs)
0.177
RETURN PERIOD OF PEAK FLOW (yrs)
100
CARTRIDGE FLOW RATE (gpm)
1.67 GPM
M EDIPSTYPE (CSF, PERLITE, ZPG,
GAC, PHS)
PHS
RIN/I FLOVATION
75.90'
51'
PIPE DATA:
1. E.
DIAMETER
INLET STUB
72.85
611
OUTLET STUB
72.85
1211
CONFIGURATION
OUTLET
INLET
INLET
OUTLET
INLET
INLET
SLOPED LID
YESINO
SOLID COVER
YESINO
NOTES/SPECIAL REQUIREMENTS:
9/I9;1;w
CITY OF
REN TON
Planning/Building/Public Works Dept.
R-393517
APPROVED FOR CONSTRUCTION
SUBJECT TO ERRORS AND OMISSIONS
BY: DATE:
BY: DATE:
BY: DATE:
BY: DATE:
LANGSTON ALLEY PROJECT
ROAD AND UTILITY IMPROVEMENTS
ROAD & STORM DRAINAGE DETAILS
AS -BUILT
9/18/20
PAM-
OR/1WINO NNa:
RD-08
MILLI, W.
21 27
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