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STORMWATER CONTROL M. EASU RE DETAIL:
UNDERGROUND
rr . Oi SAND
! FILTER
SCALE: NTS
INV OUT: 337,0'w
:O TYPE H2O
CCESS HATCH
DRAIN OUTLET
►UT: 337.0'
#F SAND FILTER
STRUCTURE
6" TYPICAL UNDERDRAIN DETAIL
SCALE: NTS
Ct..GI nil f"-% T\"nr I Inn
SECTION 1-1
NOTES:
1. SAND FILTER MEDIA SHALL BE CLEAN MEDIUM AGGREGATE SAND
ACCORDING TO ASTM C-33. SIZE RANGE SHALL BE BETWEEN 0.02-INCH TO
0.04-INC.
2. ALL SLOPES DRAINING TO SAND FILTER SHALL BE STABILIZED PER THE
NORTH CAROLINA STATE EROSION AND SEDIMENT CONTROL PLANNING
AND DESIGN MANUAL BEFORE SAND IS PLACED IN SAND BED.
3. ALL PIPING WITHIN THE UNDERDRAIN SYSTEM SHALL HAVE A MINIMUM
SLOPE OF 0.5%.
4. A MINIMUM OF 4 ROWS OF PERFORATIONS SHALL BE PROVIDED AROUND
THE DIAMETER OF THE PIPE AND THE PERFORATIONS SHALL BE PLACED 6
INCHES ON CENTER WITHIN EACH ROW FOR THE ENTIRE LENGTH OF THE
DRAINAGE LATERAL. PERFORATIONS SHALL BE 3/8-INCH IN DIAMETER.
5. SEE SHEET CL202 FOR PIPE SPECIFICATIONS FOR INLET AND OUTLET
PIPES,
6. SAND FILTER MANUFACTURER SHALL PROVIDE SHOP DRAWINGS AND
CALCULATIONS, INCLUDING CONCRETE REINFORCING DESIGN, SIGNED
AND SEALED BY THE PROFESSIONAL ENGINEER RESPONSIBLE FOR THEIR
DESIGN. SHOP DRAWINGS AND CALCULATIONS SHALL BE SUBMITTED TO
DEWBERRY ENGINEERS, INC. FOR REVIEW AND APPROVAL.
CLEANOUT,
TYP.
TOP OF
WEIR WALL
fiE:3iF. , Lit
NON -WOVEN
FILTER FABRIC
12" of #57 WASH STONE
(TYP)
6" PERFORATED
SCHEDULE 40 PVC
PIPE, TYP.
15" RCP
INV IN. 340.7'
SEDIMENTATION BASIN A
Know whaftbelOW.
Callbefore you ,
CITY OF DURHAM
APPROVED
ENGINEERING DATE
STORMWATER DATE
TRANSPORTATION DATE
WATER MANAGEMENT DATE
DATE
VINES ARCHITECTURE, INC.
530 HILLSBOROUGH STREET
RALEIGH, NC 27603
T: 919.755.1975
F: 888.800.5946
WWW.VINESARC.COM
CONSULTANTS
Surface678, P.A. Dewberry Engineering, Inc:
215 Morris Street, 2610 Wycliff Road,
Suite 150 Suite 410
Durham, NC 27701 Raleigh, NC27607
919-282-9124 919-425-7631
NCBELS #F-0929
Cooper Cary
191 Peachtree Street, NE Davenport
Suite 2400 4600 Marriott Drive,
Atlanta, GA 30303 Suite 350
440-237-2000 Raliegh, NC 27612
Lynch Mykins, PC 919-324-1665
415 Hillsborough Street
Suite 101
Raleigh, NC 27603
919-809-8943
REGISTRATION
'`CIi//tl�j !j
SEAL d
034365 .-
NOT FOR � N*`TGRUCTODIN
CLIENT
NCCentral
U N I V Y t T Y
NORTH CAROLINA
CENTRAL UNIVERSITY
1801 Fayetteville Rd.
Durham, NC 27707
Is
CORVIAS
1405 S. COUNTY TRAIL, #530
EAST GREENWICH, RHODE ISLAND 02818
NCCU P3 STUDENT
HOUSING - LAWSON
601-617 LAWSON STREET
602-620 DUPREE STREET
DURHAM, NC 27707
KEY MAP
NO. REVISION DATE
EROSION CONTROL
09/06/2019
EROSION CONTROL
09/23/2019
1
EC MODIFICATION
12/05/2019
2
C EQ PERMIT MOD
02/12/2020