20100251 Ver 2_Stormwater Site Plans_20101130

Brightwater 401 submittal documentation Page 1 of 1
Brightwater 401 submittal documentation
Weaver, Lee [[e-mail]]
Sent: Wednesday, December 01, 2010 9:12 AM
To: Strickland, Bev
CC: Smith, Loftee [[e-mail]]
Beverly,
Please follow the instructions below to access our FTP site that contains all of the submitted documents for the
Brightwater 401/PCN submittal. The documents are PDF's.
If you have any problems accessing our FTP please let me know.
ftp://brightwater:[e-mail]
Username: brightwater
password: brightwater4598
Instructions:
FTP users simply need to copy the ftp:// path listed above into their web browser. All authentication should be
transferred automatically. If user is prompted for credentials they will need to use the username and password
provided above.
Internet Explorer 7 users may have difficulty accessing FTP sites. In this instance the user will want to open My
Computer (Windows Explorer) and then copy the above link into the Address Bar. They may be prompted for
credentials and will want to use the ones provided above.
-Lee
Lee Weaver, EI, LEED AP
WITHERS ?c RAVEN EL
111 MacKenan Drive I Cary, NC 27511
Phone: [phone] Fax: [phone]
Direct: 919.238.0314
[e-mail]
www.withersravenel.com
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https://mail.nc.gov/owa/?ae=Item&t=IPM.Note&id=RgAAAAAAOgPoLNIPQZ06vHVR... 12/2/2010
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o m $ LAW 11/18/10
MEDICAL CENTER PHASE 1 INFRASTRUCTURE Checked By Job No. 0 11 _ 50' ENGINEERS I PLANNERS I SURVEYORS S'''` 2.2
J11 PHASE 1 HARNETT COUNTY NORTH CAROLINA LGS 2090050.0 kS E 1 PLAN @ 1 111 MacKenan Drive Cary, North Carolina 27511 tel; 919-469-3340 fax; 919-467.6008 www.withersravenel.com
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No. Revision Date By Designer Scale
BRIGHTWATER BIOTECHNOLGY AND STORMWAT Drawn By Date ?WATER MANAGEMENT Sheet No.
0 LAW 11/18/10 W VEN D
MEDICAL oCENTER PHASE 1 INFRASTRUCTURE ecked By Job No. ENGINEERS I PLANNERS i SURVEYORS ~W3•0
FUTURE PHASE HASE CONCEPTUAL PLAN 111 MacKenan Drive Cary, North Carolina 27511 tel; 919-469.3340 fax; 919-467.6008 www.withersravenel.com
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Y i J ~ OUTLET INV 164.79' - - - - - - -
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P 0 0 ED WEIR
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i / ~ / ~ r \~i`~/~;;;.; 4" DtP, 42 LF ®2.88% / ~ o` i ( ~ ® 2.as~ ~ ~ ~ EL = 164.50
/ ~ J ~ ~ i I ( / DISSIPATOR PAD ANTI-SEEP COLLAR LLAR FOREBAY SEDIMENT CLEAN-OUT BOTTOM
1 / V=1.5 FPS (SEE DETAIL THIS SHEET) His sHEEr) EL = 163.50
i 1 ~ ` ` ` CLASS BRIP-RAP CUTOFF TRENCH BOTTOM OF POND ,H (SEDIMENT CLEAN-OUT TOP)
/ D(50)=6" ATI N IM I N IN / ~ ~ 4' x 8' x 18" THK (LOC O, D ENS O S AND S PENSIONS AND INSTALLATION EL = 164.50
/ $ ~ 1 i ~ SHALL BE AS SPECIFIED BY THE ~ ' GEOTECHNICAL CONSULTANT FOR SPECIFIED BY THE CONSULTANT FOR THE OWNER.) SEDIMENT CLEAN-OUT BOTTOM
Q 1 ( 1 i 1 EL = 163.50
~ ~ ~ / / ( I ' 1 I WET POND DETAIL
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~J -1 ` ~ I ~ ~ ~ i 1 HI H AT R T ARY y ~ ~ , ~ ~ ( 1 MEAN SEASONAL G W E ABLE SUMM (ft) (ft) (sf) (cf) (cf) LINE WEIR 1MTH -?f - 10'
~ ~ ~ of Berm ENKAMAT 7020 MAT 171.4 2.90 16,156 5934 34693 ~ WEIR t8"
~ ' i I BORING LOCATION ELEVATION = 170.00' Top of Berm 1 171.0 2.50 13,516 17458 28758
/f t / f' i T T TI = 1 7' 1 PTH 1 t MEAN SEASONAL HIGH WA ER ABLE ELEVA ON 68.6 (6 DE )
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SIti ~ / / ~ / Top of Shelf 1 f~ 'r 1 ~ i / i Q of Shelf 169.0 0.50 10,559 4705 4705 POND SIDE DOWNSTREAM SIDE
O? ` i ~ ( ~ / Normol Pool 1 :T1 W 1 ~ / •nol Pool 168.5 0.00 8.262 0 0
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~ ~ / i r , ~ i / ~ / Narmol Pool 1 ~nol Pool 168.5 0.00 8,262 3,553 17,404 CROSS SECTION
> --I DISSIPATOR PA 1 ~C/ .i' ~ f l f r ~ /
' ~ °-4 i ~ ~ 1 ~ DRAINAGE AREA = 4.89 AC Bottom of Shelf 1 \ V=1.5 FPS I ( 'C/ / ~ ~ i i ~ - of Shelf 168.0 0.50 5,951 5,352 13850
~ RIP-6~AP ? ~ ~ % , PERCENT IMPERVIOUS - 51.1 C! ASS B ~ i % 1 i 1 (U i ~(se3~6 i t I I ~ ~ ~ PERMANENT POOL SIZING = 90% TSS, 3 FT DEEP 167.0 1.50 4,753 4,195 $498 LINE WEIR WITH TURF REINFORCEMENT MAT,
4' x x 18" iTHK l i i ) 1 , f 1 166,0 2.50 3,636 3,121 4304 ENKAMAT 7020 MAT
p ( / ' ( / r ~ • POND/FOREBAY SEDIMENT CLEAN-OUT 1 165.0 3.50 2,606 1,183 1,183 TOP ,OF~DAM~
1 ~ i I ~ i BOTTOM ELEV. 63.50 Bottom of Pond 1 of Pond 164.5 4.00 2,125 1,680 0 (1) ~ ~ ~ /
( / ~ i t i ~ • POND FOREBAY SEDIMENT CLEAN-OUT 1 ~ / Bottom of Sediment 1 Sediment 163.5 5.00 1,235 0 0 (2)
( / i ) i i I ~ 1 1 > TOP ELEV. (BOTTOM OF POND/FOREBAY) = 164.50 DITCH AND BURY
( { 1 ~ NORMAL POOL ELEV. - 168.50 NOTES: ROOT MAT EDGE
! i 1 l ~ • 1. "WATER UALITY ORIFICE ELEV. = 168.50' BMP .BMP 1 FOREBAY ELEVATION/AREA SUMMARY 20'-?I (MIN. 12") 1, EARTH BERM SHALL BE STABILIZED
i i ( • ~ I i~ 5 Q r ~ I ~ i i ~ TEMPORARY POOL ELEV. = 169.60' Ele Elevation Depth Area Incr. Volume Acc. Volume W/ SEEDING ACCORDING
' 20 WIDE WEIR ELEV. = 169.60 (ft) (ft) (sf) (cf) (cf) SPECIFICATIONS.
• TOP OF DAM ELEV. = 171.40' x Normol Pool 1 LONGITUDINAL. SECTION VIEW mol Pool 168.5 0.00 1,733 707 3,221 2. SEE PLAN VIEW FOR MAT
SHALLOW WATER (NORMAL POOL TO 6" BELOW) = 1,827 S.F. 100-YEAR WSE FREEBOARD = 170.31' 1.09' ( ) ( ) Bottom of Shelf 1 of Shelf 168.0 0.50 1,096 979 2514 PLACEMENT LIMITS.
~ 1
~ + 4 OUTLET PIPE INVERT UP = 166.00 167.0 1.50 862 758 1535 P~ WEIR DETAIL
a • 4" OUTLET PIPE INVERT DOWN = 165.79' 1 166.0 2.50 654 562 777 ~;xxx~
~ SHALLOW LAND (NORMAL POOL TO 6"ABOVE) = 1,984 S.F, 1 165.0 3.50 470 215 215
• ANTI-SEEP COLLAR = 2'X2' Bottom of Foreboy 1 Foreboy 164.5 4.00 390 319 0 (1) ~4 REBAR 12"
GRAPHIC SCALE SEE SHEETS SW 5.1 AND SW 5.2 FOR DETAILED PLANTING PLAN Bottom of Sediment 1 pediment 163.5 5.00 248 0 0 (2) O.C. EACH WAY Icy" PREFORMED JOINT
30 0 15 30 60 FILLER, f2" WIDE
(1) ACC. VOLUME = 0, VOLUME = 0, VOLUME DOES NOT INCLUDE SEDIMENT STORAGE, INCR.
VOLUME SHOWN FOR RI 1 inch - 30 ft, (2) SEDIMENT STORAGE SHOWN FOR REFERENCE
1ENT STORAGE NOT INCLUDED IN VOLUME
TRASH RACK STEM GUIDE
STRAP TO RISER
TOP OF FLANGE TO BE AT OR ABOVE WEIR ELEVATION
ELEVATION SECTION
2000 PSf MIN.
BEARING CAPACITY SEE BMP SECTION FOR SIZING DAi'A BENEATH COLIAR
4" BEND • TRASH RACK
WET PoNO aooL=lss.5o (#5 REBAR) TYPICAL ANTI-SEEP COLLAR
(INTERIOR 4" TEE INVERT) 6'X4" TEE - NTS
W a J ~~a
" ~ h .d Y E W MJ PLUG W 1.5 ~ v.
W TAP ORIFICE n ~ ~ 3,. NRS
„ c' y iY X d $ ~ ~ ~ GATE VALVE a
6 DIP PIPE ~ ~ . _ .,.a , 6 TEE a a °s SCREEN ACCESSIBLE
° (ADJUST FOR PROPER DRAW DOWN HEIGHT) 3 NRS ~ a ~z " h ° VENT THROUGH DOOR h
GATE VALVE ~ ~ ' n CONSTRUCTION SEQUENCE FOR WET DETENTION PONDS:
0 4" DIP PIPE o BOTTOM DRAIN t 0
N 1. ENSURE ALL APPLICABLE PERMITS ARE ACQUIRED PRIOR TO ANY CONSTRUCTION ATTACH TEMPORARY PIPE OUTLET
°n ACTIVITIES. SKIMMER 2. WHEN PERMANENT WET DETENTION PONDS ARE TO BE USED AS SEDIMENT BASINS ~ $ ' S
a DURING CONSTRUCTION, INSTALL BASIN TO PERMANENTPOND DIMENSIONSAS 4" OIP PIPE OUTLET=166,00 PIPE OUTLE „ d ~ 4 8, a ~ i ,
SHOWN ON THE APPROVED EROSION CONTROL PLAN. " ~ MJ PLUG W~ 3 TAP A ~ ~ ~ il a v~..a.~ A
z 3, DURING CONSTRUCTION, PROTECT STORM SEWER INLETS WITH INLET PROTECTION 1 ° : , 2 A FLANGED BASE TEE • DEVICES, SEDIMENT DEVICES, ANDIOR OTHER APPROVED MEASURES. MAINTAIN x a 29
h DEVICES AS NEEDED. 6"X4" ECCENTRIC xa " n ~ " il 4. AFTER COMPLETION OF ANY PHASE OF GRADING, ESTABLISH GROUNDCOVER ON ~ ' „ A,, NOTE,
REDUCER ~ d ~ a , < a ~ ~ ~ ~ ; . ~ GRADED SLOPES AND FILLS WITHIN 15 CALENDAR DAYS. a 4 ° d. ' a SKIMMER MAY VARY
~ 5. STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISHED GRADE WITH VEGETATION " , . , , . .s GROUT ~ , . " , ~ ~-0 ~ POND BOTTOM SLIGHTLY FROM FLOAT 4 ILLUSTRATION
OR PAVING. ° z, ~ SEDIMENT CLEAN OUT =164.50 ~ ~ - 6. CLEAN AND REMOVE SEDIMENT FROM POND AS NECESSARY DURING a ~ q ~ ~ . . ~ _ ~ , \ ` \
° CONSTRUCTION. ~ n ANTI FLOTATION ~ ~ -
7. WHEN CONSTRUCTION IS COMPLETE REMOVE TEMPORARY DIVERSIONS SILT il ~ " BLOCK ~ / ~ 3' 0" i FENCING, SEDIMENT BASINS, ETC. AND PROVIDE ADEQUATE COVER OR PAVE ANY n ~ ~ il y OUTLET END; CONNECTION
" RESULTING BARE AREAS, BOTTOM INVERT = 163.00 ° " W TO BOTTOM DRAIN OUTLET PIPE
= 8, COMPLETE CONVERSION TO PERMANENT WET DETENTION POND, CLEAN OUT ALL „ i SEDIMENT, AND ENSURE PERMANENT QUTIET STRUCTURE 13 CONSTRUCTED PER (4) ~ BOLTS BARREL PIPE LONGER THAN SHOWN NOT INCLUDED WITH SKIMMER ,,uuuur~ ~
THE APPROVED STORMWATER MANAGEMENT PLAN, PERMANENT EROSION 3 -0" .3 CONTROL DEVICES, SUCH AS VELOCITY DISSIPATERS, SHOULD BE INSTALLED AT THIS SUPPLIED BY USER ~,~`~~~(1a CA
0 o TIME. ~ C~ e a •Cy_?jy yJy~, 11)/x/
C 0 .u w` ~O ~7 • ~ " j:~V . ~ .
FLEXIBLE JOINT (NOT TO EXCEED 3' IN LENGTH) ~ EA ~ _
C O 13039:
U ° TEMPORARY SEDIMENT DEVICE ,n ~NGINEti,R°
DRAW DOWN SECTION A-A DEVICE PLAN VIEW IEW DEWATERING SKIMMER DETAIL l S~.`' CL ENS
L i iTr d iYi . '4'~"' USE 3" SKIMMER W/ 2.5" HEAD (TYP.)
L 0
L
m
Scale No. Revision Date B Designer o 0
W&R SEE ABOVE BRIGHTWATER BIOTECHNOLOGY AND STORMWATER kTER MANAGEMENT PLAN Sheet No.
o Drawn By Date $ LAW 11/18/10 WITHERS E q
MEDICAL CENTER PHASE 1 INFRASTRUCTURE Checked By job No. o ENGINEERS I PLANNERS I SURVEYORS• I
LGS 2090050.0 HARNETT COUNTY NORTH CAROLINA BMP #1 111 MacKenan Drive Cary, North Carolina 27511 tel; 919.469-3340 fax; 919.467.6008 www.withersravenel.com
H Y

~ I /
\ ~ ~
~ ~ -
\ .,..r VEGETATED SIDE SLOPES 3:1
I ~ r
1 ~
1 ~ f ~ I TOP OF VEGETATED SHELF
~ - ~ 1 ~ / EL = 162.00 100-YR WSE EL = 163.02
` r i PERMANENT POOL
f f . I ` r TOP OF DAM DUCTILE IRON PIPE DEVICE EL = 161.50 RON PIPE DEVICE (SHWT = 161.16) TEMPORARY POOL (WOV)
I y _ 1 ~ ~ (SEE DETAIL THIS SHEET) :TAIL THIS SHEET) VEGETATED SHELF 5.0' EL = 162.60
~ ~ r ~ i BOTTOM OF VEGETATED SHELF 10 FT, 10:1
OUTLET INV = 157.00 EL - 161 00
,
a s /\~/v
~ .a r ~
~ ~ r - ~n ` ~ i
' y V l ' `%',7i .r DEPTH
i ~ O ~ : \ / SIDE SLOPES - - / 3:1 FOREBAY SIDE
~ '~~\f'\~~\~'` SLOPES ~2:1 FOREBAY BOTTOM
\ \\j\\j,\~~,\~-;\~ (SEDIMENT CLEAN-OUT TOP) /~A/,,~; ~ ~ EL = 158.00
I / OUTLET PIPE ~ r ~ 4" DIP, 56 LF ®0.89%
PROPOSED WEIR / i ~ ~ DISSIPATOR PAD ANTI-SEEP COLLAR FOREBAY SEDIMENT CLEAN-OUT BOTTOM
WITH PERMANENTI LINER ~ ~ r ~=4" s TAI THI SH T l J/ i V=1.9 FPS (EE DE L S EE ) IEET) BOTTOM OF POND EL = 157.00
(SEE bETAIL) i ~ RIP-RAP CLASS B CUTOFF TRENCH (SEDIMENT CLEAN-OUT TOP)
r 0(50}=6" i (LOCATION, DIMENSIONS AND INSTALLAT ' 4' x 8' x 18" THK SHALL BE AS SPECIFIED BY THE NS AND INSTALLATION EL = 157.00
~ ~ _ GEOTECHNICAL CONSULTANT fOR THE I 'IED BY THE SEDIMENT CLEAN-OUT BOTTOM JLTANT fOR THE OWNER.) EL = 156.00
1 , o
1 r WET POND DETAIL
. BMP 2 ~ ~ ~ ~ NTS
fj ~/j ~ \ / r~ Gj
~ / ~ P~ 7 ~ i ~ ~
~ / ~i ~ 65
~ ~ G . / / G ~ ~ \
Pi s / A ~ P o - ~ ~ ,
_ 4.1Q- , 0 ~ 9 6 Q ~ r ~ B / HI H T T ARY LINE WEIR WITH 10'
O 9~ r P P f MEAN SEASONAL G WA ER ABLE SUMM ~ ~ F ~ ENKAMAT 7020 MAT
S 9 ~ ~ BORING LOCATION ELEVATION = 163.00 BMP BMP 2 MAIN POND AND FOREBAY ELEVATION/AREA SUMMARY WEIR Ig°
F ~ I I tii 9 ~ ~ , ~ , _ Elevation Depth Areo Incr. Volume Acc. Volume ~
~ r ~ ~ ~ i~ f I MEAN SEASONAL HIGH WATER TABLE ELEVATION - 161.16 22 DEPTH (ft) (ft) (sf) (cf) (cf) ~~~--10'-}•-
~ _ _ T' ~ - - - r t ~ Cp ~ ~ ~ ~ _ ~ ~ r NORMAL POOL ELEVATION - 161.50 (+0.33 ABOVE SHWT) To of B Top of Berm 164.1 2.60 11,109 1013 20266 POND SIDE DOWNSTREAM SIDE
, 1 1 ~~p r 1 164.0 2.50 9,154 11752 19253
' ~ _ l I ` ~ ' 1 Tem oror I I ~ D ~ ~ / ~ P Y s ~ _ 1 ~~S - ~ ' Temporory Pool 162.6 1.10 7,634 4395 7501 CROSS SECTION
r /,s^ ~ L___ ~ Top of S Top of Shelf 162.0 0.50 71016 3106 3106
- ~ J I DRAINAGE AREA - 2.31 AC r., _ ~ _ Normol I Normol Pool 161.5 0.00 5,408 0 0
~ ~ 1 /4/~.,~, - ~ ~ PERCENT IMPERVIOUS - 3 .2 a DIS~IPATOR PAD ~ ~`5.~~~~ /Y'~ ~ PERMANENT POOL SIZING = 90% TSS 3 FT DEEP LINE WEIR WITH TURF REINFORCEMENT MAT.
° V=1.9 FPS C ~ Normol Pool 161.5 0.00 5,408 2,279 11,002 ENKAMAT 7020 MAT
l . if ~ f ,.1 'i' (({r Normal I - / t ~ / CLAS B RIP RAP
I11 i` ~ ~ f,.l p~ C ~ C 0(50)=6" I ~ / _ Bottom of „ ~ I / ~ D ~ ~ . POND SEDIMENT CLEAN OUT ~ 4'x8 x18"THK II I ~ _ Bottom of Shelf 161.0 0.50 3,707 3,286 8723.0 ~ I~ TOP OF DAM
~ I / ~ BOTTOM ELEV. 156.00' 160.0 1.50 2,865 2,485 5437.0 ~ /\f~ 3.~ ~1 ~ ~
III - I ~ • POND SEDIMENT CLEAN-OUT / ~ 159.0 2.50 2,104 1,776 2952.5 DITCH AND BURY
' ice' I I I TT F P = 1 7 ' ~ t TOP ELEV. BO OM 0 OND 5 .00 / ( ) 158.0 3.50 1,448 1,177 1,177 NOTES: ROOT MAT EDGE
/ r~ 1 f r ti _ . • FOREBAY SEDIMENT CLEAN-OUT Bottom of Pond 157.0 4.50 905 653 0 (1) 20'~ (MIN' 12")
BOTTOM ELEV. = 157.00' Bottom of F 1. EARTH BERM SHALL BE STABILIZED atom of Sediment 156.0 5.50 401 0 0 (2) W/ SEEDING ACCORDING
SHALLOW WATER NORMAL POOL TO 6" BELOW = 1 827 S.F. FOREBAY SEDIMENT CLEAN-OUT Bottom of Sedin ( ) ~ , TOP ELEV. (BOTTOM OF FOREBAY) = 158.00 SPECIFICATIONS.
GRAPHIC SCALE ~ . NORMAL POOL ELEV. = 161.50' LONGITUDINAL SECTION VIEW
30 0 15 30 60 • 1.0" WATER QUALITY ORIFICE ELEV. = 161.50' 2, SEE PLAN VIEW FOR MAT BMP 2 FOREBAY ELEVATION/AREA SUMMARY PLACEMENT LIMITS.
~ , TEMPORARY POOL ELEV. = 162.60 ~ SHALLOW LAND (NORMAL POOL TO 6 ABOVE) 1,984 S.F. Elevation Depth Incr. Volume Acc. Volume WEIR DETAIL
1 inch = 30 ft. ~ ' x 20 WIDE WEIR ELEV. = 162.60 (ft) (ft) Areo (sf) (cf) (cf) ~ .
• T P F DAM ELEV. = 164.10' 0 O
• - 1 1 Normol Normol Pool 161.5 0.00 1,478 587 2,299
1 A D W F R D TAI D P ANTING PLAN 100-YEAR WSE (FREEBOARD) 63.02 (.08 ) SEE SHEETS SW 5. N 5 5.2 0 E LE L Bottom of Bottom of Shelf 161.0 0.50 868 762 1713 ~4 REBAR 11"
4" OUTLET PIPE INVERT UP = 157.50' 160.0 1.50 656 563 951 O.C. EACH WAY i/1" PREFORMED JOINT FILLER, 11" WIDE
• 4" OUTLET PIPE INVERT DOWN = 157.00' 159.0 2.50 469 388 388
Bottom of ForE 3ottom of Foreboy 158.0 3.50 307 240 0 (1) ?f,.
• ANTI-SEEP COLLAR = 2X2 Bottom of Sedin Ittom of Sediment 157.0 4.50 173 0 0 (2)
(1) ACC. VO (1) ACC. VOLUME = 0, VOLUME DOES NOT INCLUDE SEDIMENT STORAGE, INCR.
TRASH RACK STEM GUIDE VOLUME SHt VOLUME SHOWN FOR REFERENCE
STRAP TO RISER (2) SEDIMEN (2) SEDIMENT STORAGE NOT INCLUDED IN VOLUME
TOP OF FLANGE TO BE AT OR ABOVE WEIR ELEVATION
B"
ELEVATION SECifON
4" BEND 2000 PSf MIN. e~RrNC CAPACITY SEE BMP SECTION FOR SIZING DATA
TRASH RACK BENEATH COLLAR
5 REBAR WET POND POOL=161,50 . ~ ~ ~ „ r ,
w INTERIOR 4" TEE INVERT`' 5 a5 J 1 ! ~ 6 . .,5~ TYPICAL ANTI-SEEP COLLAR
NTS
~ ~ ~ ~s 3.. NRS
3 MJ PLUG W/ 1.0 ~ ° TAP ORIFICE ~ -0 ~ „ ° ~ ~ , / G GATE VALVE
1, a ~ 9 45 c. !1 G ° SCREEN ACCESSIBLE
N a. 6 DIP PIPE ,n VENT THROUGH DOOR ,R a
M CONSTRUCTION SEQUENCE FOR WET DETENTION PONDS; (ADJUST FOR PROPER DRAW DOWN HEIGHT) ~ "
0 0 1. ENSURE ALL APPLICABLE PERMITS ARE ACQUIRED PRIOR TO ANY CONSTRUCTION '
N 6"X4" ECCENTRIC 6" TEE PIPE OUTLET ACTIVITIES. 3 NRS
°n 2. WHEN PERMANENT WET DETENTION PONDS ARE TO BE USED AS SEDIMENT BASINS REDUCER DURING CONSTRUCTION, INSTALL BASIN TO PERMANENT POND DIMENSIONS AS GATE VALVE ~ °b. a °a,
~ SHOWN ON THE APPROVED EROSION CONTROL PLAN. „ a . ~ " ~ , ' .t
v 3. DURING CONSTRUCTION, PROTECT STORM SEWER INLETS WITH INLET PROTECTION 4 DIP PIPE BOTTOM DRAIN A ° ° ° il A a
z ENT DEVI E AND R OTHER APPROVED MEASURES, MAINTAIN ' , DEVICES, SEDIM C s, ~o ATTACH TEMPORARY , ° d o DEUICES AS NEEDED, SKIMMER .a: ° <Q
4. AFTER COMPLETION OF ANY PHASE OF GRADING, ESTABLISH GROUNDCOVER ON ~ , NOTE:
' GRADED SLOPES AND FILLS WITHIN 15 CALENDAR DAYS. PIPE OUTLE ° , ~ -0, ° 5. STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISHED GRADE WITH VEGETATION 4" DIP PIPE OUTLET=157.50 MJ PLUG W 3" TAP ~ SKIMMER MAY VARY ~ SLIGHTLY FROM FLOAT
~ ~ d !l a OR PAVING. ~ ~ POND BOTTOM ~ a tl ILLUSTRATION
•0 6. CLEAN AND REMOVE SEDIMENT FROM POND AS NECESSARY DURING a, ; ,a, (SEDIMENT CLEAN OUT)=157.00 ~ CONSTRUCTION. ~ ~ .a ~q. ~ f . , o ,
a 7. WHEN CONSTRUCTION IS COMPLETE, REMOVE TEMPORARY DMERSIONS, SILT o '4 ` : - ' '.a ' ; ~ ' / / ~ f 3'-0" ~ I ~ ~ ~ ~ a ~ ~ ~ ` OUTLET END; CONNECTION
m FENCING, SEDIMENT BASINS, ETC. AND PROVIDE ADEQUATE COVER OR PAVE ANY , a ~ FLANGED BASE TEE TO BOTTOM DRAIN OUTLET PIPE
~ RESULTING BARE AREAS. 9` a,. °a BOTTOM INVERT=156.00 ~ ~ r• a: >9 w 8. COMPLETE CONVERSION TO PERMANENT WET DETENTION POND. CLEAN OUTALL ` GROUT BARREL PIPE LONGER THAN SHOWN +
SEDIMENT, AND ENSURE PERMANENT OUTLET STRUCTURE 15 CONSTRUCTED PER (4) BOLTS NOT INCLUDED WITH SKIMMER
P THEAPPROVEDSTORMWATERMANAGEMENTPLAN. PERMANENT EROSION 3'-0" ANTI-FLOTATION BLOCK } CONTROL DEVICES, SUCH AS VELOCITY DISSIPATERS, SHOULD BE INSTALLED AT THIS SUPPLIED BY USER p'''~
TIME. 0
0 0 ` ~ 0
u FLEXIBLE JOINT (NOT TO EXCEED 3' IN LENGTH) SEAL . -
N C 0 U 13039 r
TEMPORARY SEDIMENT DEVICE o,~'°. Ftic ~
DRAW DOWN SECTION A-A DEVICE PLAN VIEW IIEW DEWATERING SKIMMER DETAIL ~~''-,~F+GLENN y~~~~` ,ter It 11 .iT~ ,,,r~ ~ ~ ~ ~ ~ ~ ~
d CIS, USE 3 SKIMMER W/ 2.5 HEAD (TYP.)
v 0
x
No. Date By Designer Scale Revision
W&R SEE ABOVE BRIGHTWATER BIOTECHNOLOGY AND STORMWATER Drawn By Date l-AW 11/18/10 4TE R MANAGEMENT PLAN Sheet No. WITHERS R"ENEL
MEDICAL CENTER PHASE 1 INFRASTRUCTURE Checked By Job No. ENGINEERS I PLANNERS I SURVEYORS
HARNETT COUNTY NORTH CAROLINA BMP #2 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: [phone] www.withersravenel.com

1
~ \ 7 ' ~ 1 ..a• \ ~ ` •
/ ~ \ ' \ \ VEGETATED SIDE
w I << SLOPES 3:1
~ ~E _ , ~ _ \ - , r. \ J
t•W / ~r \ \ r t / , TOP OF VEGETATED SHELF
~ ~ , \ \ ~ EL = 168.00 100-YR WSE EL = 169.33
\ ~ PERMANENT POOL
~ 1 \ 1 EL = 167.50
a .'~,i / ~ ~ ~ I 1 ? I o TOP OF DAM DUCTILE IRON PIPE DE 'ILE IRON PIPE DEVICE (SHWT = 168.00) VEGETATED SHELF 5.0' TEMPORARY POOL (WOV) E DETAIL THIS SHEET) EL = 168.60
• ~ ~~`I ~ ~ 1 \ ~ ~ ~I I / j / 10 FT (SEE DETAIL THIS SH r ! \ \ / 1 • : i 1 I BOTTOM OF VEGETATED SHELF 10 FT, 10:1
1 \ I A r 1 \ WI r _
_ - i U ~ OUTLET INV - 163.69' ~ EL - 167 00
1 Q I - - - - - - - - - - -
r ~ j WWZ ~ \ 1 I- IU l,J s
~ ~ \ 1 ~ 21U / ~ ` Q ~ / \ \ I QI W ~ DEPTH ~ , . - \
i 1 I X10 ~ /
/ A I f ~ ~ I ~C t <i - _ \ SIDE SLOPES ~ /i 3:1 FOREBAY SIDE FOREBAY BOTTOM
f : . ° \y~~ 1. III \ V ~ / l ~i= , ~\'%\/\i/~ SLOPES ~2:1 -;>>~'i~/~,~~~\ (SEDIMENT CLEAN-OUT TOP)
\ I OUTLET PIPE 1 I ! I ml ~ 4" DIP, 43 LF ®2.81 . ~ 2s1~ EL = 164.00
I, - \ \ \ DISSIPATOR PAD
`l ( \ / J - ANTI-SEEP COLLAR \ I - x , / ~ ~-4" (SEE DETAIL THIS SHEET) .AR FOREBAY SEDIMENT CLEAN-OUT BOTTOM 5 SHEET) BOTTOM OF POND EL = 163.00
\ eMp / V=1.5-FPS \ I #3 / CLASS B RIP RAP CUTOFF TRENCH
s i - / (LOCATION, DIMENSIONS AND INST~ (SEDIMENT CLEAN-OUT TOP) NSIONS AND INSTALLATION EL = 163.00
~ i I I ` ` / 4' x 8' x 18" THK SHALL BE AS SPECIFIED BY THE O ~ECIFIED BY THE
' ~ ; ~ ~ ~ / / GEOTECHNICAL CONSULTANT FOR 1 '~I I rh / I ,DNSULTANT FoR THE owNER.) SEDIMENT CLEAN-OUT BOTTOM EL = 162.00
~ ~ / ,A I i \ 1 / I ,
!I \ I \ / l WET POND DETAIL
I I ` 11 \ / NTS
~ I / ~ .I r
!i ~ ~ / , II ~ l~ ~ ~ _ ,
I I 1 al r I i ` f ~ PROPOSED WEIR ~
! I I 1 \ WITH PERMANENT LINE ;
I } ~ 1 1 SEE DETAIL I, 11 \ ( ) MEAN SEASONAL HIGH WATER TABLE SUMMARY LINE WEIR WITH -?f - 10
1 f BM BMP 3 MAIN POND AND FOREBAY ELEVATION/AREA SUMMARY ENKAMAT 7020 MAT ~
~ i r ! BORING LOCATION ELEVATION = 168.50' WEIR 18" Elevation Depth Areo Incr. Volume Acc. Volume
I ~ „ r I \ ~ MEAN SEASONAL HIGH WATER TABLE ELEVATION = 168.00 (6 DEPTH) (ft) (ft) (sf) (cf) (cf)
~ SSIPATOR AD ~ I \ 1 r TOP 0' Top of Berm 170.4 2.90 15,585 5768 34504 `~~-~--10~-
~=a" I I ~ NORMAL POOL ELEVATION = 167.50 (-0.50 BELOW SHWT) 1.5 FP5 ~ ~ \ 1 170.0 2.50 13,255 17273 28736 POND SIDE DOWNSTREAM SIDE
CLASS B IP=RA ( I _ ~ i ~ ~ \ Tem Oros Temporary Pool 168.6 1.10 11,420 6626 11464
1 D 50) I I \ P 4' 6' x 18" THK f,~ /1 \ TO 0
1 1 r ~ P ~ / ~ 1, Top of Shelf 168.0 0.50 10,667 4$38 4838 CROSS SECTION
1 1 / ~ Norm Normol Pool 167.5 0.00 8,683 0 0
I I y \ DRAINAGE AREA = 5.28 AC I I / I , ~ PERCENT IMPERV OUS - 30 3
I / \ ~ ~ PERMANENT POOL SIZING = 90% TSS, 3 FT DEEP Norm Normol Pool 167.5 0.00 8,683 3,780 20,354 LINE WEIR WITH TURF
I I / / I \ ~ i / 1 / l r ` - , i \ ~ ~ Bottom o REINFORCEMENT MAT. Bottom of Shelf 167.0 0.50 6,436 5,826 16575 ENKAMAT 7020 MAT
i / / ; ~ ~ ~ ~ • POND SEDIMENT CLEAN-OUT
I / I / ~ ~ ~ BOTTOM ELEV. = 161.00' 166.0 1.50 5,215 4,644 10749 ..TOP OF DAM
~ ~ I I / / 1 ~ POND SEDIMENT CLEAN-OUT 165.0 2.50 4,072 3,550 6106 d•~ 'til ~ ~
~ I / / ~ / ` TOP ELEV. BOTTOM OF POND = 162.00' / t , 164.0 3.50 3,028 2,556 2,556 DITCH AND BURY
C / / 1 \ ` • FOREBAY SEDIMENT CLEAN-OUT Bottom a Bottom of Pond 163.0 4.50 2,083 1,653 0 {1) NOTES: ROOT MAT EDGE
I I I / / \ / TT M V. = 162.00' I / / 1 , ~ r BO 0 ELE Bottom of Sediment 162.0 5.50 1,222 0 0 (2) 20 (MIN. 12
I I / / r • FOREBAY SEDIMENT CLEAN-OUT Bottom of Se t, EARTH BERM SHALL BE STABILIZED W/ SEEDING ACCORDING
,f / / \ , TOP ELEV. (BOTTOM OF FOREBAY) = 163.00 I I ~ / NORMAL POOL ELEV. = 166.50 SPECIFICATIONS.
i I / / „ , I ! / / ~ • 1.5 WATER QUALITY ORIFICE ELEV. = 166.50 BMP 3 FOREBAY ELEVATION/AREA SUMMARY LONGITUDINAL SECTION VIEW
1 I / \ / r TEMPORARY POOL ELEV. = 167.50' Elevation De th Area Incr. Volume Acc. Volume 2. SEE PLAN VIEW FOR MAT P PLACEMENT LIMITS.
I \j o 1 ~ • 20 WIDE WEIR ELEV. = 167.60 (ft) (ft) (sf) (cf) (cf) WEIR DETAIL
~ ` / \ i ~ • TOP OF DAM ELEV. = 169.40' Norm Normal Pool 167,5 0.00 2,333 g63 3,989
1 \ ~ 1 \ • 100-YEAR WSE (FREEBOARD) = 168.33' (1.07') Bottom a Bottom of Shelf 167.0 0.50 1,519 1,342 3026
1 ~ w ~
~ 4 OUTLET PIPE INVERT UP 63.90 166.0 1.50 1,165 1,000 1684
• 4" OUTLET PIPE INVERT DOWN = 163.69' 165.0 2.50 835 684 684
„ Bottom of f SHALLOW WATER (NORMAL POOL TO 6 BELOW) = 1,827 S.F. , Bottom of Foreboy 164.0 3.50 532 394 0 { 1) ~4 REBAR 72" O.C. EACH WAY i~p" PREFORMED JOINT
• ANTI-SEEP COLLAR = 2X2 Bottom of SE Bottom of Sediment 163.0 4.50 256 0 0 (2) FILLER, 12" WIDE
GRAPHIC SCALE 7
30 0 15 30 60 ~ ! ~ ~ ACC. ~ (1) ACC. VOLUME = 0, VOLUME DOES NOT INCLUDE SEDIMENT STORAGE, INCR.
~ „ VOLUME SE SHALLOW LAND (NORMAL POOL TO b ABOVE) = 1,984 S.F. VOLUME SHOWN FOR REFERENCE
1 inch - 30 ft. (2) SEDIME x (2) SEDIMENT STORAGE NOT INCLUDED IN VOLUME
SEE SHEETS SW 5.1 AND SW 5.2 FOR DETAILED PLANTING PLAN •
TRASH RACK STEM GUIDE
STRAP TO RISER 8"
TOP OF FLANGE TO BE AT OR ABOVE WEIR ELEVATION
ELEVATION SEC710N
2000 PSF MIN. BEARING CAPACITY SEE BMP SECTION FOR SIZING DATA
TRASH RACK BENEATH COlIAR
5 REBAR TYPICAL ANTI-SEEP COLLAR
4" BEND 'a. ~ ° W - w J k a ; a 'd d, w NTS
. ; 3° NRS
> WEi POND POOL=167.50 d _ d 3 INTERIOR 4" TEE INVERT 'a "
( ) a a . ~s a i as ,1 GATE VALVE a
° SCREEN ACCESSIBLE
MJ PLUG W 1.5" ~t " / a a N CONSTRUCTION SEQUENCE FOR WET DETENTION PONDS. , TAP ORIFICE VENT THROUGH DOOR .,Sn .
;d „ / ~ BLE PERMIT AREA UIRED PRIOR TO ANY CONSTRUCTION
1. ENSURE ALL APPLICA S CQ ° „ o ACTNITIES. 6 DIP PIPE 0 i
" 2, WHEN PERMANENT WET DETENTION PONDS ARE TO BE USED AS SEDIMENT BASINS PIPE OUTLET M
~ I N IN TALL BA IN TO PERMANENT POND DIMENSIONS AS (ADJUST FOR PROPER DRAW DOWN HEIGHT) 3 NRS „ DURING CONSTRUCT 0 , s s GATE VALVE SHOWN ON THE APPROVED EROSION CONTROL PLAN, 6X4 ECCENTRIC 8 a° q.
n DURING CONSTRUCTION PROTECT STORM SEWER INLETS WITH INLET PROTECTION 6 TEE a ~ ` .
v 3• REDUCER ~ , a . ra , i; DEVICES, SEDIMENT DEVICES, ANDlOR OTHER APPROVED MEASURES. MAINTAIN BOTTOM DRAIN A a Z DEVICES As NEEDED, ATTACH TEMPORARY A
0 4. AFTER COMPLETION Of ANY PHASE OF GRADING, ESTABLISH GROUNDCOVER ON ' ° a ° n
9 GRADED SLOPES AND FILLS WITHIN 15 CALENDAR DAYS. r.- SKIMMER ~ ° a . N u 4 _ . - NOTE:
5. STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISHED GRADE WITH VEGETATION _ PIPE OUTLE d .a ~ ° ~.d OR PAVING. 4" DIP PIPE OUTLET-164.90 P W „TAP d k a " ' v „ a MJ LUG / 3 d . SKIMMER MAY VARY ...n v. SLIGHTLY FROM FLOAT
~ d ~ 6. CLEAN AND REMOVE SEDIMENT FROM POND AS NECESSARY DURING " a ~ ~ ILLUSTRATION
- CONSTRUCTION. - v 7. WHEN CONSTRUCTION IS COMPLETE, REMOVE TEMPORARY DMERSIONS, SILT ° ;b r-~
° FENCING SEDIMENT BASINS ETC. AND PROVIDE ADEQUATE COVER OR PAVE ANY 4" IP PIP a e3 ~ 'a POND BOTTOM ~ D E 3 ~ (SEDIMENT CLEAN OUT)=163.00 3-0" OUTLET END; CONNECTION
m RESULTING BARE AREAS. ; ~ 8. COMPLETE CONVERSION TO PERMANENT WET DETENTION POND. CLEAN OUTALL ° ~ ° ~ r ~i~ Y a , . ; FLANGED BASE TEE / ~ TO BOTTOM DRAIN OUTLET PIPE
w SEDIMENT, AND ENSURE PERMANENT OUTLET STRUCTURE IS CONSTRUCTED PER a ° . ' . ~ , a' ~ / BARREL PIPE LONGER THAN SHOWN
= THE APPROVED STORMWATER MANAGEMENT PLAN. PERMANENT EROSION A` , ` ~ BOTTOM INVERT=163.00 a ' GROUT CONTROL DEVICES, SUCH AS VELOCITY DISSIPATERS, SHOULD BE INSTALLED AT THIS NOT INCLUDED WITH SKIMMER
TIME, 4 BOLTS - o O 4 ANTI FLOTATION BLOCK SUPPLIED 8Y USER '``1j11IIII'!r
~s, e
° ~ 3'-0" c 0
u FLEXIBLE JOINT (NOT TO EXCEED 3' IN LENGTH) ~ ~ ? ; SEAL _
N C 0 U
° TEMPORARY SEDIMENT DEVICE jl` 13039
DRAW DOWN SECTION A-A DEVICE PLAN VIEW 'EW DEWATERING SKIMMER DETAIL '~°+~~~INE~~'~`~ I ~i (~P °00ese+° G G N
r;-,; a iVl_ I~:~ „ „ ~:I'r^ / ' ~q LEN USE 3 SKIMMER W/ 2.5 HEAD (TYP.)
0
s
W&R SEE ABOVE Sheet No.
a No. Revision Date e BRIGHTWATER BIOTECHNOLOGY AND STORMWATER Drawn By Date kTER MANAGEMENT PLAN WITHERS R"ENEL
1-AW 11/18/10
MEDICAL CENTER PHASE 1 INFRASTRUCTURE Checked By job No. LGS 2090050.0 HARNETT COUNTY NORTH CAROLINA ENGINEERS 1 PLANNERS 1 SURVEYORS SW4.3
BMP #3 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: [phone] www.withersravenel.com

~ ~ ~ ~ , VEGETATED SIDE
SLOPES 3:1
; ; ,
i ~ TOP OF VEGETATED SHELF
EL = 159.00 100-YR WSE
EL = 160.70 PERMANENT POOL
/ ~ ~ 2 1 ~ ! y r'' EL = 158.50
- , ~ tP 1 \ ~ ;,v'~ ~ ------r : ~ 7~ TOP OF DAM DUCTILE IRON PIPE DEVI E IRON PIPE DEVICE (SHWT = 158,83) TEMPORARY POOL (WOV)
1 ' ` i 10 FT (SEE DETAIL THIS SHEI DETAIL THIS SHEET) VEGETATED SHELF 5.0' BOTTOM OF VEGETATED SHELF 10 FT, 10:1 EL = 159.80
~ •l l +'YV,. - EL = 158.00
i ~ ~ ~r \ ` \ .,1; ~ ~ OUTLET INV = 156.70 ' ~ _ /`~/f`~
i ~~~//AA//AA//VAS/AA;
J' f / ~ \
' ~ y ~.i DEPTH

~~~j SIDE SLOPES \ - - - ti~„~\
~ ~ / ~'~~'~j! 'l\~"\ 3:1 FOREBAY SIDE FOREBAY BOTTOM ~ ~ ~ , ~ ti,~,~, SLOPES ~2:1
. • / i OUTLET PIPE ` '~!%~`i / ~i'~' ~ SEDIMENT CLEAN-OUT TOP //.;~~,i\~ \i'~~'' ` i EL = 155.00 )
/ ' I - ~ - ~ ~ 'c, ~ 4" DIP, 60 LF ®0.50q
- - - ~ - - \ / ~ DISSIPATOR PAD T _ _ ~ - , , ~ \ AN I SEEP COLLAR R FOREBAY SEDIMENT CLEAN-OUT BOTTOM
\ ! (SEE DETAIL THIS SHEET) V=1.5 FPS , SHEET) BOTTOM OF POND EL = 154.00
~ / CLASS GRIP-RAP CUTOFF TRENCH ~ ~ ~ ~ D 50 =6" (SEDIMENT CLEAN-OUT TOP)
/ f?ROPOSED WEIR ( ) (LOCATION, DIMENSIONS AND INSTAL f ,i 4' x 8' x 18" THK SHALL BE A5 SPECIFIED BY THE \ ~ / . f' ~ ;'TWIT MANENT LINER SIGNS AND INSTALLATION EL = 154.50 :CIFIED BY THE SEDIMENT CLEAN-OUT BOTTOM
/ I r? GEOTECHNICAL CONSULTANT FOR TH ~ _ _ _ _ (S E DETAIL) ~NSULTANT FOR THE OWNER.) EL = 153.50
v x _ ~r / ~
WET POND DETAIL
NTS
J Q ~
/ I / ~
~ l~ l~
~ ~ ~ ~ BMF BMP 4 MAIN POND AND FOREBAY ELEVATION/AREA SUMMARY
~ ~ F ~ ~ MEAN SEASONAL HIGH WATER TABLE SUMMARY Elevotion Depth Areo Incr. Volume Acc. Volume
\ \ I \ ~ ~ \ IT- 0 BORING LOCATION ELEVATION = 163.00 ft) (ft) (sf) (cf) (cf) LINE WEIR WITH --'?f - 10' ( ENKAMAT 7020 MAT
\ \ j ' Top o To of Berm ~ WEIR 18" P 162.0 3.50 16,565 30207 48745
\ ~ \I ~ f MEAN SEASONAL HIGH WATER TABLE ELEVATION 158.83 (50 DEPTH) \ ~ 1 \ ~O 160.0 1.50 13,642 2700 18538
~ wyT, ~ ` NORMAL POOL ELEVATION = 158.50 -0.33 BELOW SHWT ~ \ ti \ ~ , ( ) Temporo~ Temporory Pool 159.8 1.30 13,363 10252 15838 ~ ~~-?~-t0~-+-
\ \ \ \ ~ ~ \ , ~ , / / top o top of Shelf 159.0 0.50 12,266 5566 5586 POND SIDE DOWNSTREAM SIDE
~ ~ ~ '
Norm Normol Pool 158.5 0.00 10,078 0 0
\ \S~`~, ~ ~ \ DISSIPATOR PAD / CROSS SECTION
\ i , Norm Normol Pool 158.5 0.00 10,078 4,430 23,289
. - ~ \ CLASS GRIP-RAP , DRAINAGE AREA = 5.45 AC Bottom o Bottom of Shelf 158.0 0.50 7,643 6,969 18859
\ ~ , ~ O PERCENT IMPERVIOUS = 65.1% 157.0 1.50 6,295 5,660 11890 LINE WEIR YMTH TURF
\ ~ 4 x 8' x 18" THK \ \ ~ PERMANENT POOL SIZING = 90% TSS, 3FT DEEP REINFORCEMENT MAT.
156.0 2.50 5,024 4,441 6230 ENKAMAT 7020 MAT
w ~ ` ~ ~ • POND SEDIMENT CLEAN-OUT ~ i 155.0 3.50 3,857 1,790 1,790 TOP OF DAM
`ti ~ \ ~ ~ ~ BOTTOM ELEV. = 154.50' Bottom o / Bottom of Pond 154.5 4.00 3,302 2,545 0 (1) ~ r ~ 1
, ; , ` • POND SEDIMENT CLEAN-OUT \ \ , TOP ELEV. (BOTTOM OF POND = 153.50 Bottom of Se Bottom of Sediment 153.5 5.00 1,788 p p (2) DITCH AND BURY
\ ~ ~ ~ • FOREBAY SEDIMENT CLEAN-OUT
'ti / ~ BOTTOM ELEV. 155.00 NOTES; ROOT MAT EDGE
• FOREBAY SEDIMENT CLEAN-OUT BMP 3 FOREBAY ELEVATION AREA SUMMARY 20~~ (MIN. 12") 1. EARTH BERM SHALL BE STABILIZED
TOP ELEV. (BOTTOM OF FOREBAY) = 154,00' Elevation Depth Area Incr. Volume Acc. Volume W/ SEEDING ACCORDING
SHALLOW WATER (NORMAL POOL TO 6 BELOW) = 1,827 S.F. NORMAL POOL ELEV. = 158.50 (ft) (ft) (sf) (cf) (cf) SPECIFICATIONS. LONGITUDINAL SECTION VIEW
GRAPHIC SCALE • 2" WATER QUALITY ORIFICE ELEV. = 158.50' Norm 2. SEE PLAN VIEW FOR MAT Normal Pool 158.5 0.00 2,424 1,025 4,761 PLACEMENT LIMITS.
sa a 15 3a so • TEMPORARY POOL ELEV. = 159.80' ~ Bottom o Bottom of Shelf 15$.0 0.50 1,674 1,525 3737 WEIR DETAIL
• 20' WIDE WEIR ELEV. = 159.80' a SHALLOW LAND (NORMAL POOL TO 6 ABOVE) = 1,984 S.F. , 157.0 1.50 1,375 1,238 2212
1 inch = 30 ft. • TOP OF DAM ELEV. = 162.00
• 100-YEAR WSE (FREEBOARD) = 160.70' (1.30') 156.0 2.50 1,100 975 975
Bottom of f SEE SHEETS SW 5.1 AND SW 5.2 FOR DETAILED PLANTING PLAN 4" OUTLET PIP INV RT P = 1 7 ' Bottom of Foreboy 155.0 3.50 849 740 0 (1)
E E U 5 .00 Bottom of 5e Bottom of Sediment 154.0 4.50 630 0 0 (2)
• 4" OUTLET PIPE INVERT DOWN = 156.70' ~4 REBAR 12"
ACC. vol (1) ACC. VOLUME = 0, VOLUME DOES NOT INCLUDE SEDIMENT STORAGE, INCR. O.C. EACH WAY 7/2" PREFORMED JOINT VOLUME SHOWN FOR REFERENCE FILLER, t2" wiQE
• ANTI-SEEP COLLAR = 2'X2' VOLUME SH01 (2) SEDIMENT (2) SEDIMENT STORAGE NOT INCLUDED IN VOLUME
TRASH RACK STEM GUIDE TOP OF FLANGE TO BE AT OR ABOVE WEIR ELEVAflON STRAP TO RISER `~i
8"
4" BEND
ELEVATION SECTION
wEr POND Pool=15s.5o TRASH RACK
ANTERIOR a" TEE fNVERT) 6"X4" TEE (#5 REBAR) 2000 PSF MIN. BEARW6 CAPACITY SEE BMP SECTION FOR SIZING DATA
6" TEE , BENEATH COLLAR
W MJ PLUG W 2° 3 NRS a ° - J / 4 p . GATE VALVE ~ y TYPICAL ANTI-SEEP COLLAR y
TAP/ORIFICE , . ° ,
4" IP PIP 3, a . a 4 W D E BOTTOM DRAIN ° 3 3" NRS NTS
~ J A` ° N ATTACH TEMPORARY ~ y ° a GATE VALVE a .
.SKIMMER .,1 , SCREEN ACCESSIBLE
° PIPE OUTLE " ~ ~ ° N CONSTRUCTION SEQUENCE FOR WET DETENTION PONDS. a" DIP PIPE OUTLET=157.00 A . Qa,,, u a . N ~+c a VENT THROUGH DOOR ~n~
M _ u„~ a " L1 1. ENSURE ALL APPLICABLE PERMITS ARE ACQUIRED PRIOR TO ANY CONSTRUCTION r ~ MJ PLUG W/ 3 TAP d
o d " J ° ACTIVITIES. x O I
N 2. WHEN PERMANENT WET DETENTION PONDS ARE TO BE USED AS SEDIMENT BASINS 6"X4" ECCENTRIC ~ ° ~ FLANGED BASE TEE PIPE OUTLET
M DURING CONSTRUCTION, INSTALL BASIN TO PERMANENT POND DIMENSIONS AS " a ~ Q~ / SHOWN ON THE APPROVED EROSION CONTROL PLAN. REDUCER ~ ° ~ ~ ° ° n q bM.
D c m \ d E 3. DURING CONSTRUCTION, PROTECT STORM SEWER INLETS WITH INLET PROTECTION ° _ a s : ~ , DEVICES, SEDIMENT DEVICES, ANDlOR OTHER APPROVED MEASURES. MAINTAIN u n : a . ~ ~ ~ " . . >~,/,'i A ° ° ; j a d n A
z DEVICES AS NEEDED. ° GROUT , ~ q . ,a " n
4. AFTER COMPLETION OF ANY PHASE OF GRADING ESTABLISH GROUNDCOVER DN (4) 4 BOLTS ~ ~ ~ \ a 9. Q
N GRADED SLOPES AND FILLS WITHIN 15 CALENDAR DAYS. ° ~ " ~ ~ ° ~ " m a ° 5. STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISHED GRADE WITH VEGETATION ° " ~ ~ ~ d , = . ~ ~ ~ NOTE:
OR PAVING, o , ~ ° ~ ~ PONO BOTTOM ° 4 SKIMMER MAY VARY SLIGHTLY FROM FLOAT
6. CLEAN AND REMOVE SEDIMENT FROM POND AS NECESSARY DURING :a ° ~ (SEDIMENT CLEAN OUT)=154.50 ° CONSTRUCTION. k o ~s r m _ ° ~ ~ _ a ILLUSTRATION
° 7. WHEN CONSTRUCTION IS COMPLETE, REMOVE TEMPORARY DIVERSIONS, SILT ~ ~ ° , ° \ ~
° FENCING, SEDIMENT BASINS, ETC. AhJD PROVIDE ADEQUATE COVER OR PAVE ANY ~ ~ ANTI-FLOTATION ' ~ RESULTING BARE AREAS. " , . ~ " d' " . BLOCK 3'-D" m,
N 8. COMPLETE CONVERSION TO PERMANENT WET DETENTION POND. CLEAN OUTALL " ~ ° " ~ . , " il " OUTLET END; CONNECTION
W SEDIMENT, AND ENSURE PERMANENT OUTLET STRUCTURE IS CONSTRUCTED PER BOTTOM INVERT=153.00 w TD BOTTOM DRAIN OUTLET PIPE
N THE APPROVED STORMWATER MANAGEMENT PLAN. PERMANENT EROSION CONTROL DEVICES, SUCH AS VELOCITY DISSIPATERS, SHOULD BE INSTALLED AT THIS 3'-0" BARREL PIPE LONGER THAN SHOWN NOT INCLUDED WITH SKIMMER ~
c TIME. SUPPLIED BY USER ~qtA CA
p 0
0 U • )fT~' D
J N FLEXIBLE JOINT (NOT TO EXCEED 3' IN LENGTH) SEAL
C 0 U
° s TEMPORARY SEDIMENT DEVICE 13039:
DRAW DOWN SECTION A-A DEVICE PLAN .VIEW EW DEWATERING SKIMMER DETAIL ~ '~j~cFN~INE~~•e~~:'
pr, Pr?5 I''4' USE 3" SKIMMER W/ 2.5" HEAD (TYP.) 'ITs / '~~,,~~GLENN~~~,~~
`v 0
3
i
m 0
N No. Revision Date B Designer Scale
m W&R SEE ABOVE 0 BRIGHTWATER BIOTECHNOLOGY AND STORMWATER JER MANAGEMENT PLAN WITHERS RAVENEL Sheet No.
o Drawn By Date N
o LAW 11/18/10 MEDICAL CENTER PHASE 1 INFRASTRUCTURE Checked By job No. o ENGINEERS I PLANNERS I SURVEYORS SYV4.4
o LGS 2090050.0 HARNETT COUNTY NORTH CAROLINA E BMP #4 111 MacKenan Drive Cary, North Carolina 27511 tel; 919-469-3340 fax; 919.467.6008 www.withersravenel.com
Y

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l ~ i ~ ~ / ` 115 LCA / ~ ~ ~ / ~ / ~ i ; / i~ j ~ ~ 1 ~ ~i' I ~ , ~ ~ ~
i~ i / / ~ i 581VE ~ i ~ , ~ ~ ~ ~ - _ ~ ~ i ~ ~ ~
` ~ • 56 ASI ~ ~ ' / ~ % ~ r~~', ~ ~ ~ ~ % ~ ~ 54 SLT ~ ~ ; ' / / ~ ~ i~ 40 SCC r~ ~ ~ ' i ~ ,
r i~ ~ ~ ~ / i ; ~ ~ 54 ACV ~ ~ f / ~ ~ i ~ ~ i ~ / ,
i ~ ~ / / i ~ 54 SLN ~ i 1
~ , ~ ~ ~ ; 80 SAC / i i ~ ' ~ ~I I
~ ~ i 105 POC j _ ~ ~ Q . i i ~ ~ / ~ ~
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t BMP 1 PLANTING SCHEDULE BMP #2 PLANTING SCE I f~ JTING SCHEDULE
~ 9 SHALLOW WATER (NORMAL POOL TO b BELOW) ~ 2,139 S,F, 50 HERB. PLANTS / 200 S.F, ~ 535 PLANTS SHALLOW WATER (NORMAI a PLANT TYPE KEY BOTANICAL NAME COMMON NAME ROOT CALIPER HEIGHT NOTES ~ PLANT TYPE KEY BOl ER (N©RMAL P©OL TO 6" BEL©W) ~ 1,72 S,F, 50 HERB, PLANTS 120 S,F, ~ 368 PLANTS
w ' KEY BOTANICAL NAME COMMON NAME ROOT CALIPER HEIGHT NOTES 0
s` ru I Sw et FI CONT. 4" Pot 24" O.C. ~ 37 ACA Acor a HERBACEOUS 54 ACA Aco s ca emus e ag HERBACEOUS d ~ i n n ACA Acorus calamus Sweet Fiag CONT. 4" Pot 24" O.C.
m 54 ACV Acorus calamus Variegate Variegated Sweet Flag CONT. 4 Pot 24 O.C. 37 ACV Acor ACV Acorus calamus'Variegata' Variegated Sweet flag CONT, 4" Pot 24" O.C.
N 54 PEV Peltandravirginica Arrow arum CONT. 4"Pot 24"O.C, 37 PEV Pelta PEV Peltandra virginica Arrow arum CONT. 4" Pot ?4" O.C,
105 POC Pontedaria cardata Pickerefweed CONT. 4" Pot 24" O.C. 73 POC Ponti . POC Pontedaria cordata Pickerelweed CONT. 4" Pot 24" O,C.
54 5LN Sa ittana lancrfoha Bullton ue Arrowhead CONT. 4" Pat 24" O.C. 32 SLN 5agit ~ g B SLN 5agittaria lancifolia Bulltongue Arrowhead CONT. 4" Pot 24" O.C.
~ 54 SLT Saglttarla latlfolla Broadleaf Arrowhead CONT. 4" Pot 24" O.C. GRAPHIt~ SCALE 37 SLT Sagit w ~o o s io 20 SLT Sagittaria latifolia Broadleaf Arrowhead CONT. 4" Pot 2A" O.C. GRAPHIC SCALE 10 0 5 10 10
° 80 SAC Saururus cernuus Lizard s tail CONT. 4 Pot 24 O.C. 55 SAC Sauri a SAC Saururus cemuus Lizard's tail CONT. 4" Pat 24" O.C. ~ ~ ~ - -1 I
m 80 SCT Schoenoplectus tabernaemontani Softstem Bulrush CONT. 4" Pot 24" O.C. 55 SCT Scho 1 inch = 10 . SCT Schoenoplectus tabernaemontani Softstem Bulrush CONT. 4" Pot 24" O.C. 1 inch a 10 k.
W
N RMA P TO 6"ABOVE = 2 297 S.F. 50 HERB. PLANTS /200 S.F. = 575 PLANTS SHALLOW LAND NORMAL SHALLOW LAND (NO L OOL ) ~ (NORMAL POOL TO b"ABOVE) = 1,608 S.F. 50 HERB. PLANTS/200 S,F. = 402 PLANTS i
N PLANT TYPE KEY BOTANICAL NAME COMMON NAME ROOT CALIPER HEIGHT NOTES PLANT TYPE KEY BOl ' KEY BOTANICAL NAME COMMON NAME ROOT CALIPER HEIGHT NOTE5 r)
a 3 58 ASI Ascle ias incarnate Swamp Milkweed CONT. 4" Pot 24" O.C. 40 ASI AsclE ASI Asclepias incarnata Swamp Milkweed CONT. 4" Pot 14" O.C. 1[/y/ CAR
~ HERBACEOUS p HERBACEOUS 58 CAS Carex stricta Tussock Sedge CONT. 4" Pot 24" O.C. 40 CAS Care: 0 CAS Carex stricta Tussock Sedge CONT. 4" Pot 24" O.C. ~ '
58 HIM Hibiscus moscheutos Rose Mallow CONT. 4" Pot 24" O.C. 40 HIM Hibi<. HIM Hibiscus moscheutos Rose Mallow CONT. 4" Pot 24" O.C. D'Y' 1~~t/
58 IVE Iris versicolor Northern Blue Fla Iris CONT. 4" Pot 24" O.C. 40 IVE Iris v ~ g _ ~ a SEAL ~/I IVE Iris versicolor Northern Blue Flag Iris CONT. 4" Pot 24" O.C. , -
a 85 IVI Iris virginica Southern Blue Flag Iris CONT. 4" Pot 24" O.C. 60 IVI Iris v IVI Iris virginica Southern Blue Flag Iris CONT. 4" Pot 24" O.C. ~ ' ~ ; ~~3,g~,
85 )UE )uncus effusus Soft Rush CONT. 4" Pot 24" O.C. 60 JUE June JUE Juncus effusus Soft Rush CONT. 4" Pot 14" O.C. %~'~~'FNGtNE~'' a ~ G I ae o 7~
a 115 LCA Lobelia cardinalis Cardinal Flower CONT, 4" Pot 24" O.C. 82 LCA Lobe LCA Lobelia cardinalis Cardinal Flower CONT. 4" Pot 24" O,C. ~~''~,F GLENN 7~,~`???
a 58 SCC Scirpus cyperinus Woolgrass CONT. 4" Pot 24" O.C. 40 SCC Scirp SCC Scirpus cyperinus Woolgrass CONT. 4" Pot 24" O.C, ~ ~ ~ ~
i
No. Date B Designer Scale Revision
W&R SEE ABOVE BRIGHTWATER BIOTECHNOLOGY AND STORMWATER Drawn By Date LAW 11/18/10 Ell MEDICAL CENTER PHASE 1 INFRASTRUCTURE kTER MANAGEMENT PLAN WITHERS Sheet No.
ENGINEERS I PLANNERS I SURVEYORS SW5.1
LGS 2090050.0 HARNETf COUNTY NORTH CAROLINA BMP #1 & # 1 & #2 PLANTING PLAN 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: [phone] www,withersravenel.com

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BMP #3 PLANTING SCHEDULE BMP #4 PLANTING SCHEDULE
D SHALLOW WATER NORMAL POOL TO b" BELOW = 1 827 S.F. 50 HERB. PLANTS 1200 S.F, = 457 PLANTS SHALLOW WATER (NORMAL POOL TO b"BELOW) = 2,018 S.F, ( ) 8 S.F, 50 HERB. PLANTS / 200 S.F. = 505 PLANTS
PLANT TYPE TY KEY BOTANICAL NAME COMMON NAME ROOT CALIPER HEIGHT NOTES PLANT TYPE KEY BOTANICAL NAME COMMON NAME )MMON NAME ROOT CALIPER HEIGHT NOTES
Acoru ca am s Sweet Fla CONT. 4" Pot 24" O.C, ~ 50 ACA Acorus calamus Sweet Flag a HERBACEOUS 45 ACA s l u g HERBACEOUS eet flag CONT. 4" Pot 24" O.C.
a 50 ACV Acorus calamus 'Varie ata' Varie ated Sweet Fla m 45 ACV Acorus calamus Vanegata Variegated Sweet Flag CONT. 4 Pot 24 O,C. g g riegated Sweet Flag CONT. 4" Pot 24" O.C. y
N 45 PEV Peltandra virginica Arrow arum CONT. 4" Pot 24" O,C, 50 PEV Peltandra virginica Arrow arum N ~ow arum CONT. 4" Pot 24" O.C.
92 POC Pontedaria cordata Pickerelweed CONT. 4" Pat 24" O.C. 101 POC Pontedaria cordata Pickerelweed N kerelweed CONT. 4" Pot 24" O.C.
N 45 SLN Sagittaria lancifolia Bulltongue Arrowhead CONT. 4" Pot 24" O,C. 50 SLN Sagittaria lancifolia Bulitongue Arrowhes Iltongue Arrowhead CONT. 4" Pot 24" O.C.
J 45 SLT Sa ittaria latifolia Broadleaf Arrowhead CONT. 4" Pot 24" O.C. GRAPHIC SCALE 50 SLT Sagittaria latifolia Broadleaf Arrowheac g ~o o s io zo W ~adleaf Arrowhead CONT. 4" Pot 24" O.C. GRAPHIC SCALE
° 70 SAC Saururus cernuus Lizard's tail CONT. 4" Pot 24" O,C. 77 SAC Saururus cernuus Lizard's tail a n u s ~o so aril's tail CONT. 4" Pot 24" O.C. ~ ~ ~
m 70 SCT Schoenoplectus tabernaemontam Softstem Bulrush CONT. 4 Pot 24 O.C. 77 SCT 5choenoplectus tabernaemontani Softstem Bulrush 'tstem Bulrush CONT. 4" Pot 24" O.C. 1 inch = 10 ft.
~ 1 inch - 10 k. W
W LAND NORMAL POOL TO 6"ABOVE = 1 984 S.F. 50 HERB. PLANTS /200 S.F. = 496 PLANTS SHALLOW LAND (NORMAL POOL TO b" ABOVE) = 2187 S.F. SHALLO ( ) ` S.F. 50 HERB. PLANTS / 200 S.F. = 547 PLANTS
PLANT TYPE KEY BOTANICAL NAME COMMON NAME ROOT CALIPER HEIGHT NOTES PLANT TYPE KEY BOTANICAL NAME COMMON NAME OMMON NAME ROOT CALIPER HEIGHT NOTES `~~,u~~~~~~~~,,,
50 ASI Ascle ias incarnata Swam Milkweed CONT. 4" Pot 24" O.C. 55 A51 Asclepias incarnata Swamp Milkweed amp Milkweed CONT. 4" Pot 24" O.C. °~R j.,~~
HERBACEOUS p p HERBACEOUS 50 CAS Carex stricta Tussock Sedge CONT. 4" Pot 24 O.C. 55 CAS Carex stricta Tussock Sedge 0 sock Sedge CONT. 4" Pot 24" O.C. ° F ° ~y'„~1
50 HIM Hibiscus moscheutos Rose Mallow CONT. 4" Pot 24" O.C. 55 HIM Hibiscus moscheutos Rose Mallow se Mallow CONT. 4" Pot 24" O.C. EAL ~9 1'~~=/
50 IVE Iris versicolor Northern Blue Fla Iris CONT, 4" Pot 24" O.C. 55 IVE Iris versicolor Northern Blue Flag h ~rthern Blue Flag Iris CONT. 4" Pot 24" O.C. ° 13039
~ g 0 74 IVI Iris virginica Southern Blue Flag Iris CONT. 4" Pot 24" O.C. 82 IVI Iris virginica Southern Blue Flag li ~ ° uthern Blue Flag Iris CONT. 4" Pot 24" O.C. °
~ 74 JUE Juncus effusus Soft Rush CONT. 4" Pot 24" O.C. 82 JUE Juncus effusus Soft Rush ft Rush CONT. 4" Pat 24" O.C. ~ ,~'~j~~N~INE~~°~~;~
r li r in li Cardinal Flower CONT. 4" Pot 24" O.C. 108 LCA Lobelia cardinalis Cardinal Flower a 98 LCA Lobe a ca d a s rdinal Flower CONT. 4" Pot 24" O.C. ~~'~,F GLENS
50 SCC Scirpus cyperinus Woolgrass CONT, 4" Pot 24" O.C. 55 SCC Scirpus cyperinus Woolgrass a ~olgrass CONT. 4" Pot 24" O.C. '~~~~11/11~j1~~~
i
Date By Designer Scale No. Revision W&R SEE ABOVE
BRIGHTWATER BIOTECHNOLOGY AND STORMWATER s ATE R MANAGEMENT PLAN WITHERS & R"ENEL Sheet No.
Drawn By Date LAW 11/18/10
ENGINEERS I PLANNERS I SURVEYORS JVV5•2
0 Checked By b No. BMP #3 & # 3 & #4 PLANTING PLAN 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: [phone] www.withersravenel.com
1E LGS Jo 2090050.0 JHARNETT MEDICAL oCENTER PHASE 1 INFRASTRUCTURE o o