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AASHTO M288 CLASS 2
NON —WOVEN GEOTEXTILE
DETENTION
OUTLET
STRUCTURE
(SEE DETAIL)
'7886.00
885.00
CATCH BASIN
d
ALL STORM STRUCTURES
OUTLETTING DIRECTLY INTO
DETENTION STRUCTURE
SHALL PROVIDE 24" MIN.
SUMP AND DOWNTURNED
ELBOW
re.
12" HDPE PIPE
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SECTION 'A —A'
AASHTO M288 CLASS 2
NON —WOVEN GEOTEXIILE
DESIGN ENGINEER IS RESPONSIBLE FOR
ENSURING SUITABILITY OF SUBGRADE SOILS*
ASSINFAVZIPAVIAM
1 2 —INCH WASHED,
CRUSHED, ANGULAR STONE
CONNECT TO
6" CHAMBER ENIDCAP
CONNECT TO
UNDERDRAIN
1 2 —INCH WASHED,
CRUSHED, ANGULAR
STONE. 12" DEPTH
UNDER CHAMBERS
STORMTECH SC -740 CHAMBER DETENTION SYSTEM
INLET OUTLET DETAIL
NOT TO SCALE
SC -740 END CAP
SC -740 CHAMBER
II
CLASS 'A'" CONCRETE
6" OF #8 STONE
OR #2 STONE
886.00'7
15"95 HDPE PIPE
885.00'7
8"0 PVC PIPE
WELL GRADED GRANULAR BACKFILL WHICH CONTAIN AN
EVEN DISTRIBUTION OF PARTICLE SIZES WITH NO MORE
THAN 12% PASSING THE #200 SIEVE COMPACTED TO A
MINIMUM OF 95% OF THE STANDARD PROCTOR DENSITY.
SEE THE TABLE OF ACCEPTABLE FILL MATERIALS IN
STORMTECH'S DESIGN MANUAL, INSTALLATION MANUAL,
OR WWW.STORMTECH.COM.
SLOPE SUBGRADE TO
DRAIN TO UNDERDRAIN
6"
L
WELL GRADED GRANULAR BACKFILL WHICH CONTAIN AN
EVEN DISTRIBUTION OF PARTICLE SIZES WITH NO MORE
THAN 12% PASSING THE #200 SIEVE COMPACTED TO A
MINIMUM OF 95% OF THE STANDARD PROCTOR DENSITY.
SEE THE TABLE OF ACCEPTABLE FILL MATERIALS IN
STORMTECH'S DESIGN MANUAL, INSTALLATION MANUAL,
OR WWW.STORMTECH.COM.
6"
SC-740 END CAP
SC -740 CHAMBER
MIN.
STORMTECH SC -740 CHAMBER SYSTEM
TYPICAL CROSS SECTION DETAIL
NOT TO SCALE
ELEVATION
6"
'7 889.00
ORIFICE (TYP.)
'7887.10
3.5" ORIFICE
INSTALL TRASH SCREEN
(SEE DETAIL)
'7 885.00
2" ORIFICE
ORIFICE (TYP.)
8 "0 PERFORATED PVC PIPE
UNDERDRAIN. DRAIN TO DETENTION
OUTLET STRUCTURE
*SEE STORMTECH'S DESIGN MANUAL
FOR STORMTECH PURCHASING
INFORMATION CALL 1 -888- 892 -2694
A'
30"
MIN.
12"
12" MIN. TYP.
18"
MIN.
ORIFICE (TYP.)
AASHTO M288
CLASS 2 NON —WOVEN
GEOTEXIILE
3'_O"
SC -740 CHAMBE
FLOOR BOX FRAME AND LID W/ S.S.
CAP SCREW LID CLOSURE
1
24" N
PP
PLAN
DETENTION OUTLET STRUCTURE
NO SCALE
f
NOTE: 6" CONC. PRECAST OR
POURED IN PLACE
d W
85.4" INSTALLED
CLEANOUT WITH
SCREW —IN CAP
ORIFICE
(TYP.)
3" (TYP.
Vd
CHAMBER ELEVATIONS ILLUSTRATED ON
THE UNDERGROUND DETENTION PLAN
ARE MEASURED AT THESE POINTS
STORMTECH SC -740 CHAMBER
NOMINAL CHAMBER SPECIFICATIONS
SIZE (W x H x INSTALLED LENGTH)
CHAMBER STORAGE
MINIMUM INSTALLED STORAGE
WEIGHT
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W. SWI■..■■■■.
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f--- VARIES
ACCEPTS 4" SCH 40 PIPE FOR
CLEANOUT OR INSPECTION PORT
51.0" x 30.0" x 85.4"
45.9 CUBIC FEET
74.9 CUBIC FEET
75 LB S.
STORMTECH SC -740 CHAMBER SYSTEM
INSPECTION PORT DETAIL
NOT TO SCALE
3" (TYP.
CLASS "C" CONCRETE (WHEN IN ASPHALT)
FINISH GRADE
NTS
MIN.
ORIFICE
(TYP.)
ECM
.......0
THE BOTTOM OF
SCREEN SHALL BE
LEFT OPEN
SECTION A -A
TRASH SCREEN DETAIL
NO. 2
THE TOP AND SIDES SHALL
BE CLOSED, CONTRACTOR
SHALL PERMANENTLY AFFIX
SCREEN TO OUTLET
STRUCTURE
MESH SIZE 3 OPENINGS PER 1"
WIRE DIA. 0.072"
1
FINISH G
SUBGRAD tieF
CHAMBER
EXISTING 36" RCP
INV. ELEV. 884.17
EXISTING 36" RCP
INV. ELEV. 883.98
DOCKET *193 -03 DP /ADLS
EXISTING 30"x42" CMP
INV. ELEV. 886.13
CHAMBER
DETENTION OUTLET
STRUCTURE
(SEE DETAIL)
890.05
885.05
FINISH GRADE
SUBGRADE
CHAMBER
CHAMBER
STR. NO. 4
8 "0 PERFORATED PVC
UNDERDRAIN, CONNECT TO
DETENTION OUTLET STRUCTURE
(SEE DETAILS)
FINISH GRADE
INSTALL INSPECTION
PORT (SEE DETAIL)
\a?
UNDERGROUND DETENTION PLAN
SCALE: 1" 10'
1/5/03
12/4/03
DATE NOVEMBER 21, 2003
INSTALL STORMTECH SC -740 c L TR
CHAMBER ROW PER DETAILS
THIS SHEET AND STORMTECH
SPECIFICATIONS. (TYP.)
DESIGNED
REVISIONS
DRAWN RH
cC?
E 0 St c
S Q P�
TEN
FINISH GRADE
885.61 SUBGRADE
MISCELLANEOUS REVISIONS PER TECHNICAL ADVISORY COMMITTEE REVIEW
ADDED MONUMENT SIGN ON NORTH CORNER OF PROPERTY
DETENTION SYSTEM
PLAN AND DETAILS
10460 MICHIGAN ROAD
CHECKED
APPROVED
CHAMBER
2 ROWS W/ REQUIRE
SPACING 9.00'
CHAMBER
c C�
INST\LL SCTION
PORT (SE D TAIL)
TEN
TEN
FINISH GRADE
SUBGRADE
RH
RH
BY
Transportation
Development Consultants
3417 S. WWI 1R 9tfSH RIVE, a 16197 (317) 7d0
SHEET
OF
TEN
TEN
APPR
C