SW4131203_Details_20120126

3" S9-9 PER NCDOT STANDARDS
INCLUDES 1.25' OF OVERLAY AS APPLICABLE
4" 119.08 PER NCDOT STANDARDS
10' COMPACTED AGGREGATE BASE
OR 5' B-25.06 PER NCDOT STANDS
R# 71 � : r• F
NCDOT PAVEMENT SECTION M°oF TRA� Agin TtWTH LATEST ENO
SCALE NOT TO SCALE
0 all N 0 1 N 9A E 0 to] 0
11
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I• 1 ! 1
1 PAVEMENT DETAILS
G—� NOT TO SCALE
I . ALL LETTERS ARE TO BE PER THE LATEST EDITION OF THE MUTCD.
2. LOP POfC(ION OF SIGN SHALL FHRVE A REFIECRORIZED (ENGINEERING Wfigo BU BACKGROUND WITH WRITE
IMECTiMtIZED LEGEND AND BORDER.
3. BOTTOM PORTION OF SIGN SHALL MATTE A REf1.ECTOR® {ENgNEERING GRADE) WHITE BACKGROUND WITH BLACK OPAQUE
LEGEND AND BORDER.
4. FINE NOTIFICATION SIGN SHAL HAVE A REFIECTOREZED (DWEERING MADE) W6fE BACKGROUND WITH BACI( OPAQUE
LEGEND AND BDIDER. CONTRACTOR SHALL VERIFY FINE AMOUNT AND ORDINANCE NUMBER.
5. ONE (1) SIGN REQUIRED FOR EACH ACCESSIBLE PARKING SPACE.
6. MI99M HEIGHT OF SO SHALL BE IN ACCORDANCE ON SECTION 24-23 OF THE MANUAL ON UNIFORM TRAFFIC
CONTROL DEVM (MUMD)
7. SIGN MAY BE MOUNTED ON BUILDING/WALL, AT PROPER IEIG RT, IF ALIGNED WRHIN 12' OF CENTER OF PARKING SPACE.
PAARM SPACE AMM 6" IT
HWIT
STRIPING
PARMG TRY
DBOBLED
PEwrt
ONLY
UP TO SM F
FF.1 3i6. 1 55
-STANDARD STATE APPROVED
HANDICWPED SKGNAGE INSTALLED
ON A METAL COLUMN AT THE
PROPER HBW REONED.
PROVIDE ADDITIONAL SIGWIGE
BELOW THE HANDICAPPED SIGN AS
WA MREo PER REGULATIow
BOLT SIGNS TO GALYMM METAL PIPE COLUMN
6' DIAMETER CONCRETE ID
o STEEL PIPE BOLLARD, PAINTED YELLOW
fti o
CONCRETE SURROUND AROUND PIPE COI.UAMI
—� I E �• .r (I � �
_Itl
1'-6'
MIN,
HANDICAP PARKING SIGN DETAIL
NOT M SCALE
GENMY WAR?
UP To TCURBHEN IT
RIGHT SIDE 0
HANDICAP PARKING, ACCESS
RAMP AND ACCESS AISLE DETALS
NOT TO SCALE
1. REFER M SITE PLAN FOR EXACT LOCATION OF HANDICAP PARIONG, WALKWAYS AND RAMPS.
2. ALL WNJ(WAYS. RAMPS. AND HANDICAP POW SIGiNAGE, ETC SHALL MEET APPROVED AMERICANS NTH DISAIMUTE5
ACT (ADA) STANDARDS AND LOCAL ACCESSIBILITY CODE
3, ONE OUT OF EVERY EIGHT (6) ACCESSIBLE PARKING SPACES, BUT NOT LESS THAN ONE, IS REQUIRED TO BE VRN
ACCESSIBLE.
4- ALL CONCRETE ACCESSIBLE RAMPS (30DO PSI) SURFACES gIALL NAVE COLORED TOOLED/SERRATED SUP REMWID
SURFACING !MD/OR TACTILE WARNING DEMCE PER AM STANIWIRDS AND LOCAL ACCESSABIU Y CODE.
5. ALL CONCRETE ACCESSIBLE RAMPS SHALL BE COLOR IMPREGNATED TO PROVIDE VISUAL. CONTRAST (WIRK TO UIMTI)
WITH ADJOINING CONCRETE SURFACES (MINIMUM 70% COLOR CONTRAST).
6. THE MATERIAL USED TO PROVIDE COLOR CONTRAST IN CONCRETE AOCNSSIBrtE RAMPS SW4LL BE AN INTEGRAL
(PEiRMM1MM1NNM PART OF THE CONCRETE AND SHALL NOT BE PAINTED ON OR CAPABLE OF FADING OR WEA RK OFF.
7. FIR}51•ED GRADES OF PAVEMENT IN HC PARKING AND ACESSIBRAY AISLE SHALL NOT EXCEED 1:50 SLOPE N ANY
DIRECTION,
SEEARCH PLANS
NLC. / SHOPPING CANT RAMP TO BE
CENTEREDI ABOUT THE FROM DOOR.
SIDEWAK
.' !4
4 HANDICAP PARING DETAIL
C-7 NOT TO SCALE
COLORED TOOLED/MRRAIED
SUP RESISTANT SURFACING
AND/OR TACTILE WARNING
ONCE AS REQUIRED BY
AMERICAN WITH IXSABIM
ACT ACCESSILO ITY GUIDELINES
AND CODE REQtIREMENIS
1:10 MAX. SLOPE PAINTED YELLOW
BOLLARD WITH HANWCAP PARIONG
SIGN, AS REQUIRED.
C PANT® STRIPES - HC BLUE
COLOR 0 24' O.C. AT 45 DEGRFE.S.
4' PARKING SPACE SRRIPE-
BIIE COLOR
STANDARD HANDICAP PARKING
SYMBOL PAINTED ON PAVEMWNT.
BLUE COLOR.
mm—
ALL HANDICAPPED RAMP AND ACCESS AISLES
SHAG MEET ALL CODES AND ADAAG
REGULATIONS.
1 3/D1'
I^
N e�
REENSTREN( PAYING CAP SEAL
ROFIEE j"10 - SEE SPECIFICATIONS
FOR ADDITIONAL IN908MATTON.
TYPICAL EXPAIM ,IOTA
5 CONCRETE JOINTS
�-7NOT TO SCALE
6'-•0'
r � �
CONTRACTOR TO COORDINATE
EXACT REBAR HOLE SIZES 1
AND IACATIO NS WTI# WHEEL
STOP MANUFACTURER.
iC!
3/4" — 1' DYL HOIX
16' 13 RERAR- FILL HOLE WITH SLURRY "-
MIX OF NDN-SFNRINK GROUT AFTER
REBAR INSTALLATION.
6 WHEEL STOP
C-7 NOT TO WALE
SLAN.ANT
6X6 - 10/10 WWF-
4' CONC. SIDEWALK
COMPACTED SUBrDRADE
(REFER TO GEOXWMCAL—
REPORT)
P CONTINUOUS STEEL
REBAR (10P AND BOTTOM)
9'-0' (MIN) WIDE TURN -DOWN STYLE
CONCRETE SIWW IN FRONT OF
BUILDING - SLOPE AWAY FROM
BUILMC
6"
/r
3.
CURB EDGE CONCRETE SIDEWALK
NOT TO SCALE
INSTALL A GRODYE 6' FROM FACE OF
CONCRETE SIDEWALK
g SIDEWALK DETAIL
G-� NOT TO SCALE
NOTE. SEE SPECIFICATM FOR
SPACING REQUIREMENTS
MA omm JOINT
2' TO FACE OF BUILDING
B'
ASPHALT PAVEMENT
1' RAID.
ASPIKT PAVEMENT
ITHY11.T PAVEMENT
COMPACTED STONE
BASE
COMPACTED SUB BASE
SAWCUT JOINT - FILL
WITH SELF LEVELING
EIASTOMERIC SMART
44 TREATED ME (USE GAL*M1® NAILS FOR FASTENING)
SPACING IF ANY PARCEL OF LAND ADJACENT TO THE DEMISED PREMISE'S IS EITHER
ZONED FOR RESIDENTIAL USE OR IS ACTUALLY BEING USED FOR RESIDmk
PURPOSES MMRIAL PROPERTY"), LESSOR SHALL CONSTRUCT A PRflhMCY
;�I7lOP VIEW 1X6 27(4 F04CE IN ACCDRDWM WITH TENANTS PROTOTYPE PLANS AND ANY
APPLICABLE ORfNAMEWAL
REQINXtEMQNiS ALONG ANY PORTION OF THE DEM15ED PROM BMUM
MICA
UPON SUCH RESIDENTIAL PROPERTY.
g HVAC SCREEN FENCE
G-% NOT TO SCALE
NOTE: NUMBER OF BOARDS WILL VARY
DEPENDING ON SPAM EEIIYEEN
BOARDS AND ACTUAL WIDTH
OF WARDS.
REM
TRIANGLE
SITE DESIGN
CONSULTANT:
Triangle Site Design, PLLC
4006 Barrett Drive
Suite 203
Raleigh, NC 27609
[phone]
mlowdadItr anglesitedesign com
NC UCNSE p-0819
SEAL:
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SEAL '
24434 =
1-26-12
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OWNER/DEVELOPER:
GLWON FORM EQUITY, LLC
3900 Merton Drive
Suite 210
Raleigh, NC 27609
919-459-2601
919-459-2604 fx
gbarmes®vanguardwcom
REVISIONS:
LAYOUT COORD: MEL
PLANNING MGR. MEL
DRAWING BY: MEL
DATE: 1/26/12
JOB NUMBER: 004034
fflg
CONSTRUCTION
DETAILS
SHEEP NUMBER:
C-7
,iTl�,.l�,lahYl�

`7"Z '-\ W{S/Z-0z0
B' DK
L CONC. FILLED
GATE POST
FRAME AND CROSS
BRACE
METAL GATE FENCING
GATE I
GATE POST DEAIL
le--T
9OLi.ARDS
A .
q
'
a
6
4
6' DLA SIL CONC.
FILLED GATE POST
4" PRE -CASs'
CAP
CONCRETE PAD (HEAVY
DUTY CONCRETE)
NOTE:
BLOCK TO
MATCH BUILDING
DUMPSTER
SCREEN WAIL
MATERIAL TO
maw BiAIDRIG
WALL MA ERIAL
#5'SATV
ON LEER
VERTICALLY.
s 8' BLOCK TO
MATCH BUILDING
ELEVATON REFER
TO GRADING PLAN
NOTE
FOOTING T1s
TjT-
MATCH BUILDING
SEE STRUCTURAL 17WGS. (IYP. FIG.)
SECTION A —A — VIALL SECTION
3` HANDLE `-DRO STEEL
DROP BARS
1' DM. PVC
SLEEVES 6` LONG
6' DNA. SIL.
COW. FILLED
GATE POST
1 DOUBLE DUMPSTER DETAILS
C-8 NOT TO SCALE
A
8
8` BLOCK TO MATCH BUILDING
METAL DUMPSTER GATE
BACKFILL TO TOP OF WE
12• 6'�'
ASPHALT
PARKING LOT
_
y: 7
o Q o C 4Q V l
p p ,yap—
CONCRETE COMPRESSIVE STRENGTH SHALL BE -MM PSI IN 2& CONFIRM WITH
GEOGRAPHICAL. LOCATION OF THIS PARTICULAR PROJECT.
2 CURB/GUTTER DETAIL
C—� HOT TO scu
nv�
SET BOLLARD INTO CONICRETE FOOTER AS SHOWN. POUR
CONCRETE SIDEWALK TO BOLLARD.
CONCRETE WASH DOME - PROVIDE SMOOTH,
ROUND SURFACE
e PIPE - CONCRETE FILLED. REFER TO
PLANS FOR SIZE AND LOCATION. PAW
OSHA SAFETY YELLOW.
SLOPE SURFACE AWAY FROM PIPE TO 1/2'
PRE -MOLDED EXPANSION JOINT (TYP)
ASHPHkT (OR) CONC. PAYNG --�_
4IF
StEF1. PIPE EMBEDDED IN CONCRETE
FODTW :• ",
3 1 TYPICAL BOLLARD DETAIL
S
-8 1 NOT TO SCALE
6`
i* D•n __
uAlMFtU-'QUWUM
*NOTE 1. ALL CON(IEIE TO BE 3,600 PSI IN 28 DINS,
7 CONCRETE FLUME
C-8 rr�
NOTE:
1. WORDS AND ARRM FOR DRNENIAYS SHALL.
BE APPLIED ACCORDING TO REQUIREMENTS
AS OUTLINED IN SECTION 3B OF THE
0
m
2. THESE WORDS AND ARROWS ARE TO BE
PAINTED REfIECTIVI= WHITE
4 PAVEMENT MARKINGS
C--B NOT TO SCALE
6 STOP SIGN DETAIL
C-8 j NOT TO SCALE
NL
4
�V
TRIANGLE
SITE DESIGN
CONSULTANT:
Triangle Site Design, PLLC
4006 Barrett Drive
Suite 203
Raleigh, NC 27609
[phone]
m1ovlyder®triagle&tede9Jg moom
NC LICENSE #P-0619
++aaasaaM�x�i,
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fSS/ij •: �
.a SEAL
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OWNER/DEVELOPER:
GLLIINDON FOREST EQUITY, LLC
39M Merton Drive
Suite 210
Raleigh, NC 27609
919-459-2601
919-459-2604 fx
gbamesOvanguardpg. com
REVISIONS:
LAYOUT COORD:
MEL
PLANNING MGR.
MEL
DRAING BY:
km
DATE:
1/26/12
JOB NUMBER:
004034
TITLE:
CONSTRUCTION
DETAILS
SHEET NUMBER:
C-8
COMMENTS:
t1

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MN 12-1 GA.
WHIM
UV 11 acn+ s►
POLY BARRICADE FABRIC OYPIf.N-) OWN,
FM V1
f
IKE PROIECI MN AREA
POLY BA - TENSILE F MPICAIj DO NOT ENTER
1IMQ NNG SKIN DEIAL
NOTES _
Y �3PACE8 AS DETAI4a
SOG %4L BE RACED AT 50' 40M fTIERVALS,
PLACE A $ALMA AT EACH END OF !ALTAR 1W PROTECTION AND 5D' ON £:INTER THWAFTER
FOR 7W PROTECTION AREAS LESS NW 200' 1N PE1041-Mt PR014TiE AND LESS NW OAE SM PER PWXCTION AREA
ATTACH SIGNS SECURELY TO fT:7NGrF POST$ AND FAQ
ib4WAIN TREE PWTEI77TOA1 FENCE TFLROUWHOUT DURATKW OF PffiECT.
A00MON L WG MAY BE REO(WED BY cnY OF RNFJ4GH MICST'ECIIOWl4 002ARIAIEM B45ED ON ACRK FlEW CAMIDANS
PLACE A SRQN AT EACH EW OF LWM 7REE PROTECTM AAA 50' ON aE M ThtR64 U
TREE PROTECTION FENCE
NOT TO SCALE
7 SLOPE TRACKING DETAIL
C-9 NOT TO SCALE
NOT TO SCALE
NOTE:
USE DOZER TRACKS TO (DATE GROOVES
KRI' INDICULAR TO THE SLOPE. GROOVES WILL un
SEED, FUMLIZER, MULCH, RAINFALL AND DECREASE
SEDIMENT IN RUNOFF.
GENERAL HDTV-
1. A STABILIZED PAD OF CRUSHED STONE SEAL BE LOCATED WHERE TRAFFIC
WILL BE ENTERING OR LEANING A CONSTRICTION SITE TO OR FROM A
PUBLIC STREET.
2. STONE TO BE 2'-Y WASHED STONE
3. THE ENTRANCE SHALL BE MAINTAIN® IN A 00NW ON WHICH WILL PREVENT TRACKING OR FLOWING OF SEDIMEfT
ONTO PUBLIC STREETS OR EXISTING PAVEMENT. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL
STONE AS CONDITIONS DEMAND AND REPAIR AND/OR CLEANOUT OF ANY MEASURES USED TO TRAP SEDIMENT.
4. ALL SEDIMENT SPILLED. DROPPED. WASHED OR TRACKED ONTO PUBLIC STREETS MUST BE REMOVED IMMEDVATRY
WHEN NECESSARY WHEELS MUST BE CLEANED TO REMOVE SEDIMENT PRIOR 70 ENTERING A PUBLIC STREET. *0
WASHING IS REQUIRED, IT SWILL BE DONE ON AN AREA STABILIZED WITH CRUSHED STONE WHICH DRAINS INTO AN
APPROVED SEDIMENT BASIN.
5. FILTER FABRIC SHALL BE MOR WO OR EQUAL
6. ENTRANCE SHALL BE A MINIMUM OF 20' IN WIDTH OR THE WIDTH OF THE EXIT. WHICHEVER IS GREATER
SOIL STABILIZATION FABRIC
UNDER WASHED STONE
R
4 CONSTRUCTION ENTRANCE
C-s NOT TO SCALE
II'-O' MAXIMUM
:;i11A1:,.f
Nn $,
EIS . ,..�■■■■■■■..+,l.+N ...504-14 . �II
�'i!����►�+�+i'i+i+i'i`� +i+i►i�iii►i+i+i i i+i�+i+i4i4il a a • +.
11►ii+8++++�►+iii4! ■
+ii+\ �■ ■i�i+• �i+++•++i+i►++i*i +.i.� r�+ii� ►� 1'
' ZZ
il.-il :11 t�11�31�31�'31-11 II kt�E[-1i-' Ei411, IL ilrll, q, [I-i1 k[, u-fl-tF�! "III -If ill- N-11=1 •
EI=LI= 11=il=lhlhll=?tl-IL-LI=11 R- li-il li=,li=11. 11-=11=,ii..tl..11=1T II: 71.=.1i=11=11 11-Ii: !
L�
�I
l- IE I
L 1. IL ;II y
kl+ 1 I:�; �.I J' ! � . • x, s . TIE
lrl-i � .I �;• r • -► rx 'al 'x k II=1(11
7 11 D. 1 'Is• - :JJ,'J� * r: -Jr r' ►
'� .lil 1 .�• II
k / rr7�• r • 57 I ,
Iql 1 "1 i. /•.!' 1 lYLr J 1 :' '/ ! 1T1+ 1J1J
'1 1 • ki ,1 + - J!': 1 / •, • rJ I�I :'1 1. / 1
� al • � •
4 �
1. LAY ONE BLOCK ON EACH SIDE OF THE STRUCTURE ON ITS S11DF ON THE BOTTOM ROW TO ALLOW POOL
DRAINAGE THE FOUNDATION SHOULD BE EXCAVATED AT LEAST 2 INCH BELOW THE CREST OF THE STORM
DRAIN. PLACE NNE BOTTOM ROW OF THE BLOCK AGAINST THE EwE OF THE STORM DRAIN FOR LATERAL
SUPPORT AND TO AVOID WASHOUTS WHEN OCTLOWY OCCURS. IF NEEDED, GIVE LATERAL SUPPORT TO
SUBSEQUENT ROWS BY PLACING 2x4 WOOD STUDS THROUGH BLOCK OPENINGS.
2. CAREFULLY FIT HARDWARE CLOTH OR COMPARABLE WIRE MESH WITH t/2-INCH OPENING OVER ALL BLOCK
OPENING TO HOLD GRAVEL_ IN PLACE.
3. USE CLEAN GRAVE1,3/4-TO 1/2-INCH IN DTAAIELER, PEALED 2 INCHES BELOW THE TOP OF THE BLOCK
ON A 1,1 SLOPE OR FLATTER AND SMOOTH IT TO AN EVEN TIRADE. DOT 157 WASTED STONE IS
RECOMMENDED.
1 r � ♦ , �1I ' J iJ I 'T - Jr
RTp-Rap Apron#1
DIMENSIONS
ENTRY WIDTH
3.0
FT
LENGTH
6.0
FT
EXIT" WIDTH
7.0
FT
MIN. THICIQVESS
22
IN
MIN. STONE DIAMETER'
6
ARM
SKIMMER CONTACT
INFORMATION
J.W. FARCLM Nt 9D►s, INC.
PLR BOX 757
H USBOROUGH, NC 27278
9%-732-1244
919-732-IM FX
'C" ENCLOSURE
WATER ENTRY UNIT
ti ie i
:+ ► ► all
r.
TEMPORARY SEEDING SPECIFICATIONS/SCHEDULE
March - Oct Brontop MWet
40 Its/axe
Nov. - Feb. Wffvw Rye
120 Ibs/acre
SEEDING SPECIFICATIONS/SCHEDULE
FOR RSBOULDEI3S�DITCHBS, SLOPES ( ��)_..-
Nov 1 - Mar 1 Tall Fescue A Abruzzi Rye
30D Ibs/acre
Mar i - Apr 15 Toll Fescue
SOD Ibs/acre
Apr 14 -Jun 30 Nulled Commas Bermuda (lass
25 Ibs/axe
Aug BrormtoP
Jul 1 - 15 Tall Fescue & Millet
/ Fescue;
240 In acre -Tall
or Sorghum -Sudan Hybrids
35 H*/acre Brmordop MiMd
30 IWacre Sorghum -Sudan Hybft
FOR SHOULDERS, SIDE DITCHES, SLOPES (3:1 - 2:1)
Date Type
Planting Rate
Mar 1 - Jun 1 Serieea Lespedena (scarified) dr
50 Ibs/axe (Serico tespenm)
use the fd niq corrdwxitiom
Mar I - Apr 15 Add Tall Fesare
240 Ibs/acre
Mar 1 - Jun 30 Or add JvW Common
25 Rw/axe
Bermuda Grass
LW 1 - Sep 1 Toll Fescue A Brow&p MHM
240 Ha/acre Tall Fescue
or Sorgtuum-Sudan Hybrids
35 Rw/axe Wowatop Millet
30 Wacre Sorghum -Sudan Hybrldls
Sol - Mar 1 swim Lespwm (tmulled•-
70 Ibs/axe S"M LmIwieza
Urlscaratled A Tall Fescue
240 In/acre Tall Fescue
Nov 1 - Mar 1 Add Abruzzi Rye
25 tb$/aa'e
CDON SIJLT SAEC Qtd W FOR ADDITIONAL INFORMATION CONCf7 LNG OTHER ALTERNATIVES FOR VEGETATION OF
AREAS. THE ABOVE VEGETATION RATES ARE THOSE THAT DO WELL b R LOCAL CONDRDON�; OTHER SEEDING RATE
COMBINATIONS ARE POSSIBLE.
su TEMPORARY: RESEED ACCORDING To OPTIMUM SEASON FOR DESIRED PERMANENT VEGETATION. 00 NOT ALLOW
TEWORARY COVER 10 GROW MORE THAN 12" IN HEaff BEFORE MOTMMNG; OTHERWISE, FESCUE MAY BE SHADED OUT.
[Hui
NOTES:
1. REMOVE SET31lIEM
WHEN HALF OF STONE
OUTLET IS COVERED.
2. REPLACE STONE AS
NEEDED TO ENSURE
DEWATERING,
STEEL FENCE POST
WIRE FENCE .
HARDWARE CLOTH
FILTER OF 157
WASHED STONE
0 0
FENCE BURY WIRE FENCE,
FILTER FABRIC f 2' AND hk6iik CLOTH IN TRENCH FILTER
AB WIRE FENCE AND
AIRY WIRE FENCE AND HARDWARE CLOTH
FILTpt FABRIC BURIED 8"
TB' INTO VERTICALLY AND 4' HORIZONTALLY
SECTION VIEW IN EXCAVATED TRENCH
NO
3 SILT FENCE OUTLET �1� am &r "10 wm B1' "£ rnlNAlarNrtr caP /A5 A ivr >ttr
Aw raw A11/MNL Afro AT !EAST ARr A'N w PfixlM6iFD A4 OWL Aar AIDS MMM ,1i'W K Off
C-9 NOT TO SCALE Afgamr
2 7w s7ia sflflc &r A Anmr #zw Aar Mw ANT Aw aaai!`D A4 AT�fw a
3f SEA11DV1 S SZkIM;[0 AI9i MAEY AD9�995 ATHK71 IANlf RL° /iA7/T AF IlE R AA'Y
Smuw i2Ffi 51EA01n1IC AY Roar orm? wr sir tmx ma AS ALMA o 51ANLC ESE amw 1A
GL'1iFM 1t1)W E ' 41 Ar A ASMW
W
I. PORARY DIVERSION DITCH TO BE USED TO INTERCEPT FLOW AND/OR DIVERT TO A
SEDIMENT CONTROL MEASURE OR BMIP.
2. MI REMOVED WHEN DITCH IS ONE-HALF FULL
AMT i Y ffiMw Mw3_ DITCH SNAIL. BE RECONSTRUCTED WHEN DAMAGED BY EQUIPMENT OR COVERED BY
IAWF A M 99r AID A17ER ENRr FILL.
ftv7,OL. M60112rA 4 STABILIZE DIVERSION DITCH BERM WITH MIPDRARY SEEDING, MIRILCH WITH TAC,
SEAMM91? f1rYIM fTE fLOM A1L"AA MD AND/OR EROSION CONTROL NETTING.
ATFJw 77� moRS,GIIf ww Mr
04W9Z 1AnH: Ar � ArIP
1AE UNA1.fAC7MM S Al;Y11 MV WASTE MATTRW -CDII ACT;
&UOM LMS OM MWM AID SEED & MULCH AFTER -12' MIN. I -
AWE NOY ALrA11Ps A4 AF W M CONSTRUCTION OF DITCH E I
._ AM 6741Y /R�IrhYA1C MfE71' 7/E'�VAIR.
AN'Fi1./6GiF 71AE TFAAlXN9N4T �j2' -
1T9a15IL�1aoWllMY
sm wa w A� Arm I z7 k I-- VARY�,L� T I I I I
RE AN7LrI3N( 5UAE
1Y
CROSS SECTIONAL VIEW
2 TEMPORARY DIVERSION DITCH
C-9 NOT TO SCALE
SEEDBED PREPARATION:
1. CHISEL. COMPACTED AREAS AND SPREAD TOPSOIL THREE INCHES DEEP OVER ADVERSE SOIL CONDITIONS, IF AVAILABLE.
2. RIP THE ENTIRE AREA TO SIX INCHES DEEP.
3. REMOVE AL LOOSE ROCK. ROOTS AND OTHER OBSTRUCTIONS, LEAVING SURFACE fREASONABLY SMOOTH AND UNIFORM.
4. APPLY AGRICULTURAL LIME. FERTILIZER, AND SUPERPHOSPHATE UNIFORMLY AND MIX WITH SOIL (SEE SEEM MD(TURE).
5. CONTINUE TILLAGE UNTIL A WELL -PULVERIZED, FIRM. REASONABLY UNIFORM SEEM IS PREPARED FOUR TO SIX INCHES DEEP.
6. SEED ON A FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEEDING ECA NiIFM OR CULIPACK AFTER SEEDING_
7. MULCH IMMEDIATELY � SEEDING AND ANCHOR MULCH,
8. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RL�INGS WITHIN THE PLANTING SEASON, IF POSSIBLE. IF STAND
SHOULD BE MORE THAN 60% DAMAGED. RE-ESTABLISH FOLLOWING THE OIWNA. LIME, FERTILIZER AND SEEDING RATES.
9. CONSULT S&EC ENVIRONMENTAL ENGINEERS ON MAINTENANCE TREATMENT AND FERTILIZATION AFTER PERMANENT COVER IS ESTABLISHED.
SEEDING MIXTURE:
AGRICULTURE LIMESTONE: 2 TONS/ACRE (3 TONS/ACRE IN CLAY SODS)
FERTILZER: 1,000 LBS/ACRE - 10-10-10
SUPERPHOSPHATE: 500 LBS/ACRE - 20% ANALYSIS
MULCH: 2 TONS/ACRE - SMALL GRAIN STRAW
ANCHOR: ASPHALT EMULSION AT 3DO GALS/ACRE
Skimmer Basin
SURFACE AREA REQUIRED
1,170
SF
SURFACE AREA PROVIDED
1,200
SF
VOLUME REQUIRED
1,800
CF
VOLUME PROVIDED
1,872
CIF
STORAGE DEPTH
2.0
FT
STORAGE ELEVATION
50 x 24
FT
252.00
TOP OF DAM
58 x 32
FT
254.00
EMGY. SPILLWAY LENGTH
10
FT
252.50
BOTTOM OF BASIN
42 x 16
1=T
1 250.00
AREA
SURFACE
SPILLWAY
aLI
TRIANGLE
SITE DESIGN
CONSULTANT:
Triangle Site Design, PLLC
4006 Barrett Drive
Suite 203
Raleigh, NC 27609
[phone]
mlmrda trbiWea tedesip,com
NC 11MSE #P-0619
OWNER/DEVELOPER:
GLANDON FORM EQUI`l'Y, LLC
3900 Merton Drive
Suite 210
Raleigh, NC 27609
919-469-2601
919-469-2604 fz
gb arnes Mvanguardpg. com
REVISIONS:
PVC ELBOW
PVC END CAP
VENT
PIPE
SCHEDULE 40
PYC PIPE
���BAFFLES
CROSS-SECTION VIEW 1 FREEBOARD 04 MIN.
1d1�1'M�uYiIV
`i�liTb�\ 9•
-��-�
• ,
®��1
a*
k'
a 13' 1 i
1 � 1 a' •r \•, ,
FLEXIBLE ANTI -SEEP :_...
HOSE _ SEDIMENT COLLAR
DATA BLOCK STORE ZONE
HUB END ON OUTLET
END SECTIONS. SPIGOT NATURAL GRADE
END ON INLET END END M FRONT A BE
SECTIONS. O E F�AI�OTH SKIMMERS
REFER TO DETAILS
RIP -RAP - SCHEDULE 40
FOR SKIMMER SIZE
WRap Apron#12
DIMENSIONNS
ENTRY WIDTH
4.0
FT
LENGTH
5.0
FT
EXIT WIDTH
4.0
FT
MIN. THICKNESS
22
IN
MIN. STONE DIAMETER
6
IN
STONE CLASS
B
BASIN
DRAINAGE
ACRES
DENUDED
R�
Ole
BASIN VOf.QM`E___AE
AREACLEAN
UT
DOH 2IK-)
(1&)
( FTC
L
(FE
(4E)
(�
CU RLU FT.
CUBIC
5 FT_
SQ
BASAV
1.0
1.0
36
1,800
1,872
11170
1,200
1.0
2.0
40
10
1.5
5.0
• IIIIIIIIIIII 2 Ill-
2'-O O _ l I I COUPLING CONNECTION REQUIREMENTS
p e P 1. BAFFLE MATERIAL MID BE SECURED AT THE BOTTOM AND SIDES
� -
IIIIII- _-IIIIII-
STEEL BACK ROD 111111111111=II'I1=111111= Illil�=IIIIII_=
V #5 WASHLI:O STONE
PLAN 1' MIN. L LAYER OF FILTER FABRIC
NOTES
Pip -Rap Apron#3
DIMENSIONS
ENTRY WIDTH
3.0
FT
LENGTH
6.0
FT
EXIT WIDTH
7.0
FT
MIN. THiIC1QVP5S
22
LPL
MIN. STONE DIAMETER
6
IN
STONE CLASS
B
STANDARD SNMMER
USING STAPLES OR BY TRENCHING AS FOR SILT FENCE-
CONSTRUCTION SPECIFICATIONS:
2.
MOST OF THE SEDIMENT WILL ACWMUTATE IN THE 1ST BAY,
I. CLEAR. GRUB. AND STRIP THE AREA 11NDER THE EMBANKMENT OF ALL VEGETATION AND ROOT WT. REMOVE ALL SURFACE SOIL
WHICH SHOULD BE READILY ACCESSIBLE FOR MAINTENANCE.
CONTAINING HIGH AMOUNTS OF ORGANIC MATTER, AND STOCKPILE OR DGXM OF IT PROPERLY. HAUL ALL. OBJECTIONABLE MATERIAL
3.
PROVIDE 3 BAFFLES ( TWO IF LESS THAN 20 FEET IN LENGTH). PROVIDE
TO THE DESIGNATED DISPOSAL. AREA.
lIOTTOM
KW1fPE Sl1PPiOtn Pw
4.
7 5.
5 BAFFLES FOR DRAINAM AREAS GREATER THAN 10 ACRES.2
BAFFLE SHALL BE 700 G/M2 COW EROSION BLANKET.
TOPS OF BAFFLES SHOULD BE 2 INCHES LOWER THAN THE TOP OF THE BERMSEMBANKMENT
ENSURE THAT FILL MATERIAL FOR THE EMBANKMENT IS FREE OF ROOTS, WOODY VEGETATION, ORGANIC MATTER, AND OTHER
OBJECTIONABLE MATERNAL.. PLACE THE FILL M LIFTS N>OT TO EXCEED 9 INCHES, AND MACHINE C MLPACT IT. OVER FILL. THE
gA# WIRE
6 INCHES TO ALLOIIf FOR SETTLEMENT
LAYOUT COORD: MELA�
ND 6.
INSPECT BAFFLES FOR REPAIR ONCE A WEEK AND AFI1 R EACH RAINFALL
3 CONSTRUCT THE OUTLET SECTION IN THE EMBFWIO�NNT. PROTECT THE CONNECTION BETWEEN THE RIP -RAP AND THE SOIL FROM
PLANNING MGR. MEL
AA11 AN47ar -STEEL POST
- T1 FILTER FABRII I THE RC OR A I RAND TRENCH
EXTEBETWEEN ND THE ABRICAMM THUCTURE E SWAY FWN DA11ON AND
SIDES TO THE TOP OF THE W OR
�r SiMPE >0 AfMIVTAM/ AG1SS 7l7 17AE E74fFIE3 - DGfAVATE A KEYWAY TRENCH ALONG THE CENTER LINE OF THE SPILLWAY FOUNDATIONI EXTENDMG UP THE SIDES TO THE HEIGHT OF
RIPRAP SHOULD EXTEND UP BOTH STIES OF THE APRON AND AROUND THE END OF THE P� OR CULVERT AT THE DISCHARM OUTLET Al A MAXIMUM .9XW 7712" FA9W 6FA 84FRE C=4R E JM %MAN" THE DAM_ THE TRENCH SOULD BE AT !FIST 2 FEET DEEP AND 2 FEET WIC WITH 1:1 SIDE SLOPES.DRAWING BY: MELSLOPE OF Z 1 HIND A HEIGHT NOT LESS TWIN TWO THIRDS THE PIPE OVHALZER OR CUWT]iT HElOTIT. p4 &VW A&7F0W �Alg /r b 1 _ _ _ _ - - _ _ _ _ _ _ _ � 4. CLEAR THE POND AREA BELOW THE ELEVATION OF THE CREST OF THE SPILLWAY TO FACILITATE SEDIMENT MEAM UT.
THERE SHALL BE NO OVERFLOW FROM THE END OF THE APRON TO THE SURFACE OF THE RECEIVING CHANNEL THE FROMFIRr
- - - - - - - -
AREA TO BE PAVED OR RIP -RAPPED SHALL BE UNDERCUT SO THAT THE INVERT OF THE APRON SHALL BE AT THE
SAME GRADE (FLUSH) WITH THE SURFACE OF THE RECEIVING CHANNEL THE APRON SHALL HAVE A CUTOFF OR
TOE WALL AT THE DOWNSTREAM END_
MAXIMUM TAPER M RECEMNG CHANNEL 5:1.
THE WIDTH OF THE END OF THE APRON SHALL BE EQUAL TO THE BOTTOM WIDTH OF THE RECEIVING CHARNEL
ALL SUBORADE STRUCTURE TO BE COMPACTED TO 951E OR GREATER.
THE PLACING OF FILL, EITHER LOOSE OR COMPACTED IN THE RECEIVING CHMNEL SHALL NOT BE ALLOWED.
R,ip-Rap Apmn#4
DIMENSIONS
ENTRY WIDTH
3.0
F r
LENGTH
6.0
FT
EXIT WIDTH
10.0
FT
MIN. TKCKNESS
zz
IN
MIN. STONE DIAMETER
6
IN
STONE CLASS
B
A 7Lf 52 M 8EP1�Si75 NA/1r11/ /T ASS hR4fF
fW 70 f AWMIT STGl44G'E 1�LbW fW
ME ArXT &W AAN7 TO A XtY P1i SW ON 7HE
-AMGT,W Ae lER /5
TRENCHED INTO BOTTOM ORODIR MESH �SIDE LED OR SECTION VIEW AT OPENING
CROSS SECTION
=_ __ _ - - - __ - - -- __ - - 6.
- - - - =
- - - - - - - _ - - - - 7.
- - - - - - - - - - - - - - - - ��
ENSURE THAT THE STORE5. ALL CUT AND FILL ES SHOULD BE 2:1 OR (DRAINAGE) SECTION OF THE FLATTER.
'IYRAN KMENT HAS A MINIikIM BOTTOM WIDTH OF 3 FEET AND A MAXIMUM SIDE
SLOPE OF 1:1 THAT MENDS TO THE BOTTOM OF 71 E SPILLWAY SECTION.
CONSTRUCT THE MINMAtA4 FINISHED STONE SPILLWAY BDTTOM WIDTH, AS SHOWN ON THE PLANS, WITH 2:1 SIDE SLOPES EXTENDING TO
DATE: 1 /26/12
JOB NUMBER: 004034
84FFIES TAA2 CAS A
_ -
THE TOP OF THIE OVER FILLED DMTIAII(IIENT. KEEP THE THICN9NES.S OF THE SLOES OF THE SPItiWAY OUTLET sTRUcrURE AT A
8491t1
_ z�
MINIMUM OF 21 INCHES. THE WEIR MUST BE LEVEL AND CWSTRUCTED TO GRADE TO ASSURE DESIGN CAPACITY.
TITLE:
a4F1ZE3' DURA+� fxfAllbP/!. ""POW #011rCT 5m7P s9ww B49TY AT LEAST AIEw r AAv Aq& E&w ,9fQ{�"w (aw Aw A m OR f,O ffl?f RA9i *l OW AND AV1AF ,AAfM71Zr
1i4Cf � o
_ _
- - - - - - - - 8. MATERIAL USED IN THE STONE SECTIOHI SHOULD BE AHEEL-GRADED MIXTURE OF STONE WITH A D6D SIZE OF 9 INCITES (CLASS B
S7IA W ���
�W S�7Vl AAA �� Ih� � � � NffJV J �� � 0A�-1f4tF � lIFJ�1l c` IhE fD75T 84ffZE. PLC C
= - _ _ - _ -
CONTROL STONE IS RECOMMENDED) AND A MAXIMUM STONE S12E OF 14 INCHES. THE STONE MAY BE MACHINE PLACED AND THE
DE SX N Ill Gi1lT' S W $0 7MT PC SMWW (A11�XME N IT OW BE ExCA49NEER WAId17F 711E 5I7MR/EM f7f W nF LMARE BtsONIL MDT !,6'!ST MMW
7W � #E nUr � 14L&7A)XW � IN nr M77W 6F W a4.sev ass A07 WW Af SY14fdIAER
- - - -
_ _ _ _ _ _
- -
WORKED INrO THE VDNDS of THE LAI�7t STONES THE STONE SHOULD � HARD, MLGUTATR, AND HOLY
CONSTRUCTION
AFTER 771Lr CMA3Bf/TALG ARIA ff4S �7V
_ - _ _ _ _ _ _ _ _ _ _ = - -
WSMALLERHESTONES
ftxLr57Ae�1zEu ATAu 84�FtE
A'EPAMR 7hLr 84f7ZE3 A' 7JEYAIW LT4MI4GED An E aV ROJM64L; IA1 LEi41H OR AkIxAVD Ili
VIM-WFATIR-fFSISTMIf
9.
DISCHARGE INLET WATER INTO THE BASIN IN A MANINIR TO PREVENT ER061DN. USE TEMPDRAR1f SLOPE DRAMS OR DNERSIONIS WITH
OUTLET PROTECTION TO INERT SEDIMENT' WATER TO THE UPPER END OF THE POOL AREA TO IMPROVE BASIN TRAP EFFICIENIOY. DETAILS
At47ERt4iS AAI? L4YSTALYE SfDlIIIOVT 19EPo5i15► 10. ENSURE THAT THE STONE SPILLWAY OUTLET SECTION EXTENDS DOWNSTREAM PAST THE TOE OF THE EHABANKMEM UNTIL STABLE
NO BENDS OR CURVES IN THE: HORIZONTAL AIGNM13U OF THE APRON WILL BE PERMITTED, 6HPW AF AREA 70 OW AAA? STA ff 1L F Tw .SdNIAIER LS a w mw 7J64w Aw 7h1EiWr dS A1NMER AV 711E 8454 LaWlr J MW AV 77AF ALGA ML MW 7W Liu AW WN AV p,ILET ZONE 1st Cell 2nd Cell OUTLET ZONE CONDITIONS ARE REACHED AND OUTLET VELOCITY IS ACCEPTABLE FOR THE RECEIVING STREAM. KEEP THE EDGES OF THE STONED&OAW 7W AMW RAID ICIr5i+2CE ROW ff 17115 00ADT AVAK M 9T'JVAA7R 019rR 70 W Mr Or W 134SdV A4t7 MW 71Lr Mw ALSO 251E Of basbl 25 Of basin 15� QT OUTLET SECTION FLUSH WITH THE 5URROUNJIOING GROUND AND SHAi'E THE ENTER TO CO' .
AuA NV AT AFUM MER4CS A3' #M AS
g RIP -RAP APRON Ar#R M4W MW, AW ANT ADNW PRCAfXr. 9W Sd�EbK
A77E1Y71N M ME fYAIVT NiIiG W C0W% #V S7aW AWW?
C-9 NOT TO SCALE /Mw � P#r s>s7w BVMF 17ArA74�! CA4T}ZCLY
Li', M STA4If1T' OIF' IBDa-/i34� AW 106 PW AV1417A71i1S Ar
PAW 5L�1f/P h61 ESi AR SW FAO Mn Ar44z- APW
WRap Apran#5
DIMENSIONS
ENTRY WIDTH
3.8
Fr
LENGTH
7.5
FT
EXIT' WIDTH
8.8
Fr
MIN. THXWESS
22
IN
MIN. STONE DIAMETER
6
IN
STONE CLASS
B
O Ea 7W #MF THE .At; 49? TO SE Ar 1r As CLGX0,, Ar S0 RIE1171'E PC basin anloa area srefiaae area snr4aoe area basin surtax area 11. DIRECT EMERGENCY BYPASS TO NATUIb1L STABLE AREAS 'LOCATE BYPASS CUTLETS SO THAT FLOW LOW THE �iFIT NUMBER.
EMBANKMENT.
AF ThE SUMMR AW OR 1141M PFE LS CLOIC' M,, 71C 018I 17 CAN if ffiI00 AM9 TAT' MMCW aEi4Ii1F0 4H N A PLG W!; 2Y4IYF a? BY RIGM 12. STABILIZE THE EMBANKMENT AND ALL DISTURBED AREAS ABOVE THE SEDIMLM POOL AND DOWNHSTRF.AM FROM THE TRAP IMMEDIATELY
M7IH Mi41f1P �r STAB AAL9 IPEJ°L,ICE 7?`E 6irFONPE IB/XA19T4, T7E Srt A'f
AFTER CONSTRUCTION.
13. SHOW THE DISIAANCE FROM THE TOP OF THE SPILLWAY TO THE SEDIMENT CLENNOUT LEVEL ( THE DESIGN DEPTH) ON THE PLANS C-9
aF0( 7w FA6[4315 LATER g Ll1E'4Y fa? A41f41E AAv A:4T ANY A'EGIGIIR'D w& M117I FAfi c 7J r SPAS Ar nu I1L m 6F 7ALF SPIT K4r. ChEM 7W AND MAIL IT IN THE FIELD.
SKIMMER BASIN �f, Sim Awa Aw OMU AW DVXN a4W AAv Away 71E EA6IAIN2W fr;W AM AW M77LEIAE'1V7: AaEk1r ALL AfacSS RL' ArPJ4APs 14. INSTALL POROUS BAFFLES AS SPECIFIED IN PRACTICE 6.65, POROUS BAFFLES,
COMMENTS:
AILr61l47EZr. AirA W ALL 773 W AA17 07W DL M FAM M' 90AIWR AAD Poo AW&
C-9 NOT TO SCALE fAIFM1s TiL<i477>IE7P M Rf38IT AV Zr fNW AV RE 84.S4u s7,tW -WM P1TLraU7JC9T!s 9WD iF TA011 N 7h0.r 141WM? TO PJP I07 7W MAW FROM
PLUr�LC NT7h1 Air
i 11. i r •� l - I r. I .1 S.- - ! _ 7., .!. ,r--4..l:A.
I i l . / '� I : � �• +� � - •` 1 I 1 1 V I ! 11 S' i 1.I 1;. ! � :Ilil
I y.n .w.+, ! '. .; ' _ ? .I �I I +, I l l l; 1 , , I', I- .(,) '! 11 i ! - � I , i It Ili {I q•"

map
/77 S"vt/�iZv2-0)
RMP element:
Potential problem:
How. I will remediate the pipblem
The entire BMP
Trash/debris is present
_
Remove the trash/debris
e periniefer of the tuo-re en 'on cell
Areas of bare sail and/or
Regrode the soil if necessary to
erosive gullies have formed
remove the gully, and then plant
a ground cover and water until it
is established. Provide lime and
a one -tine fertilizer application
Maintain vegetation at a height
of approximately six inches.
e inlet device pipe, stone verge or
ale
The pipe is clogged.
Unclog the pipe. Dispose of the
sediment off --site.
The pipe is cracked or
Replace the pipe.
otherwise damaged
Erosion is occurring in the
Regrade the swale if necessary
swale.
to smooth it over and provide
erosion control devices such as
reinforced turf matting or ripmp
to avoid future problems with
erosion.
Stone verge is clogged or covered
Remove sediment and clogged stone
in sediment
and replace with clean stone.
e pretreatment area
is sling pret en
area and/or gullies have formed
e-gra a of necessary to route all
flaw to the pretreament area.
Restobiiize the area after grading.
Sediment has accumulated to a
depth greater than three inches
Search for the source of the secliment
and remedy the problem if possible.
Remove the sediment and restobilize the
pretreatment area.
'moo has occure
Rivkle Rlditional erosion protection
such as reinforced turf malting or
rip -rap if needed to prevent future
erosion problems.
Weeds are present.
Remove the weeds, preferably by
hand.
e bio-retentioncelk
Vegetation
Best prafmisicinal practices
show that pruning is needed
to maintain optimal plant
Prune according to best
professional practices
health.
Plants are dead, diseased or
Determine the source of the
dying•
problem, soils. hydrology, disease,
etc. Remedy the problem and
replace plants. Provide a
one-time fertilizer application to
establish the ground cover N a
soil test indicates it is necessary.
Tree stakes wires are present six
months after planting.
Remove tree slakes wires which con
kill the tree if not removed)
The bio-retention cell:
Mulch is breaking down or has
Spot mulch if there are only random void
sails and mulch
floated away.
areas. Replace whole mulch layer if
necessary. Remove the remaining
mulch and replace With triple
shredded hard wood mulch at
a maximum depth of three inches.
Soils and/or mulch are clogged
Determine the extend of the clogging.
with sediment
Remove and replace either just the
top layers or the entire media as needed.
Dispose of the spoil in an appropriate
off -site location. Use triple shredded
hard wood mulch at a maximum depth of
three inches. Search for the source
of the sediment and remedy the
problem N possible.
An annual soil test shows that pH has
Dolomitic lime shall be applied as
dropped or heavy metals have accumulated
in the soil media
recommended per the soil test and
toxic soils shall be removed. disposed
of properly and replaced with new
planting material,
e underdrain system
Clogging has occurred.
Wash out the underdmin system
The drop inlet
Clogging has oecured
Clean out the drop inlet. Dispose of the
sediment off -site.
The drop inlet is damaged.
it or replace the drop inlet.
The receiving water
Erosion or other signs of
damage have occurred at the
outlet.
Contact the local NC Division of
Water Quality Regional Office, or
the 401 Oversight Unit at
919-733-1786.
BIO—RETENTION SOIL MIXTURE
ITEM
PERCENT BY WEIGHT
MATERIAL
SAND
97%
CONSTRUCTION SAND
FINES
8%
SILT
ORGANIC MATTER
5%
COMPOST/PEAT MOSS
PERMEABILITY
2 IN/HR
PHOSPHOROUS INDEX
RANGE BETWEEN 10 AND 30 (CONFIRM WITH SOIL ANALYSIS REPORT
FROM NCOA LAB)
GRASS SOD NOTE:
GRASS SOD FOR THE BIO-RETENTION POND SHALL BE EITHER HYBRID BERMUDA GRASS OR CENTIPEDE THAT
HAS BEEN GROWN IN A SOIL THAT IS FREE OF AN IMPERMEABLE LAYER (SUCH AS CLAY).
BIO—RETENTION SOIL MIXTURE:
are er ion Soil Wixture : shall be placed and graded using low ground -contort pressure equipment of by excavators and/or backhoes
operating on the ground adjacent to the bio-retention facility. No heavy equipment shall be used within the perimeter of the bio-retention
facility before, during, or after the placement of the BSM. The BSM shall be placed in horizontal layers not to exceed 12 inches for the
entire area of the bio-retention fodlity. The BSM shall be compacted by saturating the entire area of the bio-retention facility after each
lift of BSM is placed until water flows from the under -•drain. Water for saturation shall be applied by spraying or sprinkling. An appropriate
sediment control device shall be used to treat any sediment -laden water discharged from the Wunder -drain. If the BSM becomes
contaminated during the construction of the facility, the contaminated material shall be removed and replaced with uncontaminated material at
no additional cost to the Administration. Final grading of the 8SM shall be performed after a 24-hour settling period. Final elevations shall
be within 2 inches of elevations shown on the Contract Plans.
The Bio-retention Soil Mixture (BSM) shall be a uniform mix, free of stones, stumps, roots or other similar objects larger than two inches.
No other materials or substances shall be mixed or dumped within the bio-retention area that may be harmful to plant growth, or prove a
hindrance to the planting or maintenance operations.
Prior to placing the under -drain and the BSM, the bottom of the excavation shall be roto-tilled to a minimum depth of 6 inches to alleviate
any compaction of the facility bottom. Any substitute method for rota -tilling must be approved by the Engineer prior to use. Any ponded
water shall be removed from the bottom of the facility and the soil shall be friable before roto-filling.
Once the BSM has been placed the entire bio-retention area shall be sodded with gross that has been grown in sandy soils or that has the
roots washed clean of any clay or other materials that could dog the function of the bio--retention system.
NOTES:
1. ALL BID -RETENTION SHALL_ HAVE AN ACCESS EASEMENT COMIC !NG TO A DEDICATED PUBLIC
RIGHT OF WAY.
2. ALL DRAINAGE AREAS TO A Bi0-RETENTION FACILITY ARE TO BE STABILIZED PRIOR TO
INSTALIATION OF SOILS OR GRASS SOD.
3. WRAP PERFORATED UNDERDRAIN WiTH FILTER FABRIC PF60R TO BIACI(FIL MG.
4. UNDERDRAIN PIPE SHOULD HAVE 3/8' PERFORATIONS SPACED AT 8♦ CENTERS, MIN. 4 HOLES
PER ROW. MAX SPACING OF UNDERDRAIN PIPE S 10 FEET ON CENTER.
5. UNDERDMN CL EANOUl5 MrHIST DAEND A MAN. OF 6 INCHES ABOVE TOP SURFACE OF GRASS
LAYER, PRTFERARY TO THE TOP OF DESIGN MAXL#IUM PONDRIG DEPTH IN THE
BIO-RETENTION BASIN.
1 BIO-RETENTION DETAILS
- N.T.S.
OVERFLOW OUTLET
REFER TO DETAIL FOR
ELEVATIONS & DIMENSIONS
SOD ON SUE SLOPES (REWD
FOR FIRST PLANTING YEAR)
REFER TO GRADING
PLAN FOR OUTLET PIPE
SCARIFY NATIVE SOIL
NO COMPACTION
6• DIAMETER PERFORATED UNDERDRAIN PIPE -
PVC (PER AASHTO M252) OR HOPE WITH SMOOTH
INNER WALL, PROTECTED WITH FILTER FABRIC.
REFER TO DETAIL FOR
TOP OF EMBANKMENT ELEVATION
r- GRASS SOD
" UNDERDRAIN GRAVEL
5'x5'x1' CONCRETE BED (1157 WASHED
FOOTING STONE)
SECTION A -A
BIO-RETENTION CROSS --SECTION
15WE PIPE
INV. OUT=247.0
REFER TO DETAIL THIS
SHEET FOR OUTLET PIPE
12' Wfl'V PONDING
2Fr MINIMUM
BID -RETENTION SOIL DEPTH
(GRASS BASIN)
BIO-RETENTION SOIL MIXTURE
4' MIN WASHED SAND - ADJUST AS NECESSARY
o- BASED ON UNDERDRAIN SLOPE & ELEVATION
f 8' GRAVEL LAYER AT UNDERDRAN
FILTER FABRIC AROUND
UNDERDRAIN GRAVEL BED (TOP,
BOTTOM AND SIDES, TYP.)
FILTER BED ELEVATION = 250.0
- BIO-FFTENTiON
SOIL MIXTURE
SHAPE OF BID -RETENTION
A AREA MAY BE IRREGULAR
GRASS SOD _ » _ _ " _ " » » v " ` W CLEANOUT WITH
BIO-RETENTION AREA THREADED LiD
(TOP TO BE 6'
ABOVE MAXIMUM
PONDING ELEVATION,
AT 100 FEET MAX.
HDRIZ. SPACING)
TOP OF EMBANKMENT A 6' SCHEDULE 40 PVC, SDR35, OR SMOOTH WALL
REFER TO CHART FOR CORRUGATED PLASTIC PIPE WITH 3/8' PERFORATIONS 0
ELEVATION 6' ON CENTER (4 HOLES PER ROW)
CONCRETE
REMOVABLE CAP OUTLET OVERFLOW OUTLk.T
SPILLWAY OR STRUCTURE. REFER TO
CHART & DETAIL FOR SPILLWAY
ELEVATIONS & DIMENSIONS
V QV aV OVaVaV Ovavp
o a o Q o a Q G
a"G"O VavavpVaVQv
Q G a Q G a G 0
0 0 O Q O O 0 0
O n a n O O a G
�C/
0 0 0 0 0 o a o
o D o D o o a a
0 o D o a o 0 0
n A o o D o o
0 0
o n a° o a n a
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1310-RETENTION CONTROL STRUCTURE /� � ,✓ ••_-;•' '-
OPERATION AND MAINTENANCE
North Carolina storm water rules require annual inspections by the regulating agency of bio-retention areas as a minimum. More frequent
inspections by the land owner or system operator are strongly encouraged to ensure the proper operation of bio-retention areas.
A. Rainfall Event
1, Inspect the basin after every runoff -producing rainfall event,
B. Monthly Inspection
1. Inspect the basin monthly
2. Check the bio-retention area side slopes, remove trash and repair eroded areas before the next rainfall event.
3. Check the vegetative and rock filters for sediment accumulation, erosion and proper operation of the flow spreader
mechanism and repair as necessary.
C. Quarterly inspection
1. inspect the collection system (i.e. catch basin, pipes and grass swales) for proper functioning. Clear accumulated trash from
basin grates and basin bottoms. Check piping for obstructions.
2. Check pond inlet pipes for undercutting, replace rip-rop and repair broken pipes.
3. Reseed grassed swales, including the vegetated filter if applicable, twice a year as necessary. Repair eroded areas
immediately.
D. Six Month Inspection
1. Remove accumulated sediment from the bottom of the outlet structure or other areas where accumulated sediment is noted.
2 Inspect the embankment taking note of any wet areas where water may be seeping through the soil.
E. Geneml Inspection
1. Maximum gross height is to be 6in.
2, No woody vegetation shall be allowed to grow in the bio-retention area.
3. Debris shall be removed from blocking the inlet and outlet structures and from areas of potential clogging.
4. Periodic removal of dead vegetation shall be accomplished.
5. All components of the bio-retention system must be kept in good working order.
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OUTLET CONTROL STRUCTURE
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B10--RETENTION PLAN
TRIANGLE
SITE DESIGN
CONSULTANT:
Triangle Site Design, PLLC
4006 Barrett Drive
Suite 203
Raleigh, NC 27609
[phone]
mlowderftdaneesitedes4vL cam
NC LICENSE #P-0619
SEAL:
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OWM/DEVELOPER:
GLANDON FOREST EQUITY, UC
3900 Merton Derive
Suite 210
Raleigh, NC 27609
919-459-2601
919-459-2604 #x
gbarneAvanguardpg. com
LAYOUT COORD: MEL
PLANNING MGR. MEL
DRAWING BY: MEL
DATE: 1/26/12
d06 NUMBER: 004034
TITLE: STORMWATER
MANAGMENT
DETAILS
SHEET NUMBER:
C-10