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General Notes
DWQ 401 STORMWATER SUBMITTAL
SEPTEMBER 2011
B B
C C
SHEET INDEX
Sheet Keynotes
D 1. TITLE SHEET D
EXISTING PROPOSED 2. SITE PLAN
3. BIORETENTION PLAN
SS SANITARY SEWER 425 CONTOURS 4. DETAILS
sa sa STORM DRAIN DRAINAGE AREA ,~,F;` 5. DETAILS
6. DETAILS
w w POTABLE WATER o CLEANOUT
7. PLANTING PLAN
CONTOUR LINE 8. PLANTING DETAILS
, 9. SEQUENCE OF CONSTRUCTION AND NOTES
OVERHEAD ELECTRIC
APPROXIMATE SITE LOCATION E OVERHEAD POWER
E
FENCE
SIGN Rev Date Description of Issue
f ;;i;; . Project
SANITARY SEWER MANHOLE -
STORM SEWER MANHOLE
POWER POLE - ~ ; - _
AIRPORT TIE DOWNS -
F
F
University of
,
North Carolina
at Chapel Hill
CAROLINA NORTH
INFRASTRUCTURE
G PHASE 1 ~
DWQ 401 STORMWATER
SUBMITTAL
SEPTEMBER 2011
Sheet Title
COVER SHEET
H H
Scale
NONE
Date: Drawn By.
09-14-2011 AL
Project No.
J 09802-01-004
Sheet No.
09/14/11 2:54:31 PM I:\PROJECTS\CAROLINA NORTH\EARLY PHASE SWM DESIGN FOR DWQ\CAD\PLANS\CV0ICNSW.DWG 1 OF 9
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General Notes
BIORETENTION CE fENTION CELL DWQ 401 STORMWATER SUBMITTAL
ELEV = 489.7 4$9.7 SEPTEMBER 2011
AREA = 8 850 SF = 8,850 SF _
- CLEANOUTS, TYP. LENGTH = 426' B H=426' _ B -
" - 9 REQUIRED - AVERA E WIDTH = G ,GE WIDTH = 21' ~
. I'
MODIFIE -MODIFIED 9'X9' OVERFLOW \
STRUCI STRUCTURE HIGHLFLOW BYPASS SEE
8" PERFORATED ~ 0 ~ p~9 DETAI L DETAIL -SHEET 5 NCDOT STD 840.1.4
CORRUGATED HDPE INVERT INVERT ELEVATION = 485.0
JNDERDRAINS' OVERFI OVERFLOW ELEVATION = 490.7,
.491 ' ~
3:1 SIDESLOPE GYP. -
4 491 91 494. ' W
C s` ~ ~
~
PRETREATMENT ' p
1 GRAVEL VERGE -~~~49 491 .493.492.491: g0 492 ~
3 GRASSED FI~_TER STRIP 4 .1,
- 90 4
-491- ~1
-492- 491 -493- CESS' 24.0'
495 _494- NCE A INTENA T . ~
495 MA ING p PARK ~ A OUGH - 9
THR ~ OUTFALC I~CP 1
Sheet Keynotes DIAMETER = 24"
~ Q ~ - ~9~, SLOPE"- 0.95% ~
- , D _ D
- 9Q
- N 6)
~ , A
9S -
DISCHARGE TO EXISTING SWALE
END SECTION
INVERT ELEVATION`'= 483.5
SEE DETAIL .-SHEET 6 NCDOT
1 STANDARD 876.02
E _ E
~ D IN - PROPOSED RA AC EXISTING 8" GMP AND OUTFACE TO EXISTING .D DRAINAGE DRAINAGE SWALE - TO BE REMOVED`
~ - AREA =148,397 SF 48,397 SF
_ Q, CN=93 Rev Date Description of Issue
, c9
- ' RATIONAL C = 0.74 - ~ C = 0.74 Project
-
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EXISTING HANGER I
~ TO BE DEMOLISHED I _ at Chapel Hill
_ A9 1 ~
CAROLINA NORTH
~ ~ / ~ ~ ~ INFRASTRUCTURE
~ - _ PHASE 1
/ ~ Ch G ~
t DWQ 401 STORMWATER G
SUBMITTAL
A9 ~ 8 SEPTEMBER 2011
~ J~
i a~ Sheet Title
4g 9 Q SITE PLAN
H ~ H
i
Scale
i 1" = 401
~
i
Date: Drawn By
HORIZONTAL SCALE os-~a-2o» AL
0 40 $Q Project No.
J osso2-D1-oo4 ~
Reuse of Documents:
-
i nis aocument ana ine weas ana aesigns incorporatea nerein, as an sheet No.
instrument of Professional Service, is the property of Biohabitats, Inc.
NOTE: PARKING LOT DESIGNED BY OTHERS ; and is not to be used in whole or in part, for any other project without 2 OF 9
09/14/11 2:55:58 PM I: PROJECTS CAROLINA NORTH EARLY PHASE SWM DESIGN FOR DWO CAD PLANS SP0ICNSW.DWG the written authorization of Biohabitats, Inc. 7 8 9 10
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1 . - _ _ - - - General Notes
DWQ 401 STORMWATER SUBMITTAL
6-L I ~ r"t r°t + SEPTEMBER 2011
~
B _ B
SURFACE OF BIORETENTION CELL
C EtEV = 489.7 ~
AREA = 8,850 SF
'~i~ LENGTH = 426'
AVERAGE WIDTH = 21'
l ~g~ '
BACKFILL WITH BIORETENTION MEDIA SEE
SPECIFICATIONS
SOIL MEDIA TO HAVE A P-INDEX OF 20 ± 10
~ _ ~
491 11~ 1"'~ 491
s" i Sheet Keynotes
D
4g 491 N ~F D _4g0 UNIVERSITY OF
~ 490
\ NORTH CAROLINA
3:1 SIDESLOPE TYP. PIN 9789150184
/ ~ .
~s } CLEANOUTS,TYP. ~`~~s~
9 RE UIRED Q 8"PERFORATED CORRUGATED MODIFIED 9'X9' OVERFLOW
HDPE UNDERDRAINS STRUCTURE HIGH FLOW BYPASS SEE
DETAIL -SHEET 5 NCDOT STD 840.14
490 INVERT ELEVATION = 485.0
18.8' 1~ 49
493.... _ _ 492 491 0 492 OVERFLOW ELEVATION = 490.7
E 49 ~ ~ E
PARKING LOT LO INT ELEV = I NT ELEV = 491
0 PRETREATMENT 49 OUTFACE RCP Rev Date Description of Issue
91 1 GRAVEL VERGE ~ 1 4 92
3 GRASSED FILTER STRIP 4 DIAMETER = 24" Project 491 SLOPE = 0.95%
493 ~
5 49 4 30.2'
49 1 ~ ~ Y
_ r-~.~.~ ~~495 ~ r=~. Q ~ ~
24.0' 92
MAINTENANCE ACCF„S F
F THROUGH PARKING ~~T
,r A9 ~ University of
~ _ North Carolina
/ = at Chapel Hill
f L A9
A ` CAROLINA NORTH
a i ~ ~ INFRASTRUCTURE
~ ~
G ~-1-°~ v k°~, _ _ ~ , PHASE 1 0
DWQ 401 STORMWATER
_ 9 SUBMITTAL
S _ ` ~ - SEPTEMBER 2011
~
Sheet Title
~
EXISTING 8" CMP ANQ OUTFAL. TO EXISTING BIORETENTI ON PLAN
DRAINAGE SWALE - TO E REMOVED
DISCHARGE TO EXISTING SWALE
END SECTION
H _ 1 f ~ ~ . ~ ~ ' INVERT ELEVATION = 483.5 H
SEE DETAIL -SHEET 6 NCDOT
~ STANDARD 876.02 '
~ .
~ Scale
1"=20'
st ,
PROPOSED DRAINAGE Date: orawo By
. \ HORIZONTAL SCALE AREA =148,397 SF os-X4-20» AL
_ CN=93
RATIONAL C = 0.74 0 20 40 Project No.
J
J
. Reuse of Documents: osso2-o1-004 Q
This document and the ideas and desians incorporated herein. as an
4 ~ instrument of Professional Service, is the property of Biohabitats, Inc. Sheet No.
and is not to be used in whole or in part, for any other project without
09/14/11 2:5 :04 PM I:\PROJ CTS\CAROLINA RTH\EARLY PHA SWM DESIGN F~IOR DWQ\CAD\PLANS\PCO NSW.DWG the written authorization of Biohabitats, Inc. 3 OF 9
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12" ?~~'I?~~ I:r000I'~n~ri~r Itnat'~, A~~;Ili ~iJi
4" 0 3~~ F Rq ft r ss
~ FR sr
R~,o „ 12 PONDING DEPTH General Notes
3•~ S(O DWQ 401 STORMWATER SUBMITTAL
PF GRAVEL VERGE g.1 SCOPE SEPTEMBER 2011
WASHED #57 STONE
B B
4"TRIPLE SHREDDED HARDWOOD MULCH
3' 61ORETENTION MEDIA
SEE SHEET 9 FOR
C DESIRED COMPOSITION C
4" WASHED SAND
2" CHOKING STONE
10" WASHED #57 STONE ~ Sheet Keynotes
D D
8 "PERFORATED, CORRUGATED HDPE
SEASONAL HIGH WATER TABLE IS > 2'
BELOW BOTTOM OF BIORETENTION•••-•••-•••-•••-•••-•••-
NOT TO SCALE
E E
Rev Date Description of Issue
9 9'X9' MODIFIED NCDOT STANDARD Project
8 840.14 CONCRETE DROP BOX WITH
N 3~ G MODIFIED 840.16 FRAME AND GRATE
Rq SS
EO Fj~
rF RS
TRH P
~ ~ F
F =
3.1 S(O 12 PONDING DEPTH 3 ~ SHOP
PF
University of
North Carolina
at Chapel Hill
4"TRIPLE SHREDDED HARDWOOD MULCH
CAROLINA NORTH
INFRASTRUCTURE
G PHASE 1 ~
3 FT BIORETENTION MEDIA DWQ 401 STORMWATER
SEE SHEET 9 FOR SUBMITTAL
DESIRED COMPOSITION 24" RCP OUTFACE PIPE SEPTEMBER 2011
Sheet Title
4" WASHED SAND
~ DETAILS
2" CHOKING STONE i i
H H
i i
„ ~ 10 WASHED #57 STONE i
Scale
NONE
8" PERFORATED, CORRUGATED HDPE WATERTI F
G WATERTIGHT CONNECTION TO STRUCTURE
SEASONAL HIGH WATER TABLE IS > 2' Date: Drawn By.
BELOW BOTTOM OF BIORETENTION•••-•••-•••-•••-•••-•••- 09-14-2011 AL
Project No.
J 09802-01-004 NOT TO SCALE
Sheet No.
09/14/11 2:57:13 PM I:\PROJECTS\CAROLINA NORTH\EARLY PHASE SWM DESIGN FOR DWQ\CAD\PLANS\DT0ICNSW.DWG 4 OF 9
1 2 3 4 5 6 7 7 8 9 10
1 2 3 4 5 6 7 7 8 9 10
OUTLET W/DITCH OUTLET W/0 DITCH
4XD
D CLASS 'B' RIP RAP CLASS I RIP RAP CLASS 'B' RIP RAP CLASS I RIP RAP
FILTER FILTER FILTER FILTER TONS F~YI~ S.Y. TONS FsBVIC TONS FsBVIC S.Y. TONS FSBYIC
A a a 12" 2 5 5 2 5 1 4 2 1 4 Y•~ A
' 0 0 ~ 0 0 0 15" 2 7 7 3 7 1 5 3 2 6 1~_ h~~ltS
~0 18" 3 10 9 4 10 2 7 4 2 8 ' ~ ' ~ ' ~
00 0 0 0
24" 5 14 15 7 15 3 11 7 4 12 ~ ~ r~s ~l i~,;~~ii;f9 1c~ilV,li, il' ,tin ~ ~~~ra'~~
~ o,~ } 30" 8 21 21 11 22 5 16 11 7 17 i~u~,~~~ ~ ~ ~ ~
36" 11 28 29 15 30 7 22 16 10 23
D o 42" 15 37 39 20 39 10 28 22 13 30 General Notes
U 48?? - - 49 26 50 - - 28 17 3$ DWQ 401 STORMWATER SUBMITTAL
- 54" - - 60 33 62 - - 36 21 47 SEPTEMBER 2011
0 0
B o c - 60" - - 73 40 75 - - 44 26 56 B
0 - 66" - - 87 48 89 - - 54 32 67
0 0~ a 72" - - 102 57 104 - - 64 38 7$
NOTE: 4 X D
FOR CALCULATION PURPOSES
CLASS 'B' RIP RAP = 100 LBS./FT3
0 ~ CLASS I RIP RAP = 105 LBS./FT3 ~ 0
J
o ~ 0 ~ 0 0~0
0 0 0( c 2 x a o~0~~0~~0
o ~o
0 0
O~~~o~0~0 B B a oog~oo c
~~o~o°o~~°~~ „~r,.n
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SLOPE 1 2 OPE 1 %2 :1 OR FLATTER ~a`'o~~
D
~~~0~0~0~0~,
0 0 0 ~ O O~ Sheet Keynotes ° o~ n
o~ a a~ n o~~ ~n°rr a 1 D
~ a~ °rr 2
H r '~i~ 0 0 r ~ 0 0 0~ n
T PLAN
0 0 T 0
FILTER FABRIC
2" WEEP HOLES Y
SECTION A-A °~O~o~0~a~0~°~0~ gooooogo T
ITCH o~0~oa0~a~0~o~0~
I~
X ~ X H= RIP RAP TO TOP OF PIPE (MAX. H = D + T) ~ + T) FILTER FABRIC E
E T= 15 CLASS I RIP RAP, UNLESS OTHERWISE SHOi~ IISE SHOWN ON PLANS SECTION B - B
- R 1 I T- 12 CLASS B RIP RAP, UNLESS OTHERWISE SHO (WISE SHOWN ON PLANS
i
PIPE OUTLET WITHOUT DITCH Rev Date Description of Issue
i O ~ Project
i
JTLET NOT TO SCALE
i
Y-
F
F WITH GRATE & FRAME REMOVED
University of
BRICK COPING(INCIDENTAL)
TOP ELEVATION North Carolina
STD. 840.16 FRAME at Chapel Hill
GRATE
#4 BAR CAROLINA NORTH
Bn A Bu INFRASTRUCTURE
6" B 6"
N G r PHASE 1 ~
2 = DWQ 401 STORMWATER
SUBMITTAL
SEPTEMBER 2011
(p tt
6 Sheet Title
DETAILS
~ SEE NOTE DOWEL SEE NOTE _ " ~
( ) MAX. PIPE THIS SIDE 18
H H
DIMENSIONS AND QUANTITIES FOR DROP INLET(BASED ON MIN. HEIGHT, H)
DIMENSIONS OF BOX & PIPE CUBIC YARDS DEDUCTIONS FOR
PIPE SPAN WIDTH MIN. HEIGHT CONC. IN BOX ONE PIPE
Scale
BOTTOM WALL PER TOTAL D A B H CONCRETE C.M. R.C. NONE
SLAB FT. HT. FOR MINIMUM HEIGHT, H
12" 3' - 0" 2' - 0" 2' - 0" 0.222 0.222 0.592 0.015 0.026
15" 2'-3" 0.648 0.023 0.036 Date: Drawn By.
18" 2'-6" 0.703 0.033 0.049 09-14-2011 AL
24" 3'-0" 0.814 0.059 0.085
30" 3'-0" 2'-0" 3'-6" 0.222 0.222 0.925 0.092 0.127 Project No.
J 09802-01-004
~I(_Il(1T CTD~IIIORII IlFT011 Rd(1 1d
I vVV V 1 1 / ?1 V V/ 1 \V V` 1 / ?IL V-F V. I --r Sheet No.
CONCRETE DROP INLET II THRU II PIPE NOT TO SCALE
09/14/11 2:57:19 PM I:\PROJECTS\CAROLINA NORTH\EARLY PHASE SWM DESIGN FOR DWQ\CAD\PLANS\DT0ICNSW.DWG 5 OF 9
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~1 Y2?r 3?-6« 1%"
1" DEPRESSION
1'-7~'8,~ 1'-75/8.,
A I I 1~~h~3~1t~tS
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D General Notes
DWQ 401 STORMWATER SUBMITTAL
H I SEPTEMBER 2011
SECTION G-G
B 1r-4%2rr 1r-4%2rr F"' I B
PLAN OF FRAME
1' - 75/$" 1' - 75/$" CAST IRON
PLAN OF GRATING
2' _ 31/4.. CAST IRON
C C
« r? 1/$ ~ ~ 1/$ rr
1 r? 1 rr 1 ?r 1 r?
3r_3g~? 2r_3g~rr
1 ~s.. 2„ 1/$ rr 1/$ 1/$ rr
~ ~
SECTION H-H 3t - r)?r ~ ~ 2r - 2 rt ~ ~ Sheet Keynotes G D
D
3r-13~rr N N 2r-13~« ~y N
NOTES:
INSTALL ALL STEPS PROTRUDING 4" FROM INSIDE FACE OF STRUCTURE WALL.
STEPS DIFFERING IN DIMENSIONS, CONFIGURATION, OR MATERIALS FROM THOSE SHOWN MAY ALSO BE USED PROVIDED THE CONTRACTOR HAS FURNISHED
THE ENGINEER WITH DETAILS OF THE PROPOSED STEPS AND HAS RECEIVED WRITTEN APPROVAL FROM THE ENGINEER FOR THE USE OF SUCH STEPS.
SECTION E-E SECTION F-F
E ~ E
~ _ NCDOT STANDARD DETAIL 8 DROP INLET FRAME AND GR CAI L 840.16
ID GRATES NOT TO SCALE Rev Date Description of Issue
Project
~~~r
,~a" _ i ~ ~
PLAN SIDE
F
F PLAN SIDE ELEVATION
ELEVATION ~7 N
lh University of
North Carolina
at Chapel Hill
1,_0,~ r 14~"
CAST IRON ~ CAST IRON CAROLINA NORTH
INFRASTRUCTURE
ELEVATION ELEVATION
G PHASE 1 ~
DWQ 401 STORMWATER
1 i SUBMITTAL
SEPTEMBER 2011
1„ age„ ~ ~ 1'4, i \ #6 BAR OR
#8 BAR Sheet Title
GALV'D . ~ - rn -
rn ~j,.
~8„ ~ DETAILS
~ ~ - ,
PLAN POLYPROPYLENE 'PLASTIC SIDE ~ H
v2 ELEVATION SIDE
'~8~~~= ~ COMPOSITE PLAN ELEVATION
Scale
NONE
1/ „ I ~ ~ ~ REINFORCING STEEL
12" I~ t / \ / ~
Date: Drawn By.
ELEVATION NOTE: 09-14-2011 AL
#3 DEFORMED 12" DO NOT USE IN
STEEL ROD SANITARY SEWER MANHOLES. Project No.
~ SECTION A-A ELEVATION 09802-01-004
IVLUU I Z5 I AINUAKU Ut I AIL ?54U.00 Sheet No.
DRAINAGE STRUCTURE STEPS NOT TO SCALE 09/14/11 2:57:24 PM I:\PROJECTS\CAROLINA NORTH\EARLY PHASE SWM DESIGN FOR DWQ\CAD\PLANS\DT0ICNSW.DWG 6 OF 9
1 2 3 4 5 6 7 7 8 9 10
1 2 3 4 5 6 7 7 8 9 10
A
A ZONE 1 - BIORETENTION - ~1~)11~.1 lt~~~,~
ZONE 2 - BIORETENTION UPLAND , .i ,
I
ZONE 3 -SOD
General Notes
DWQ 401 STORMWATER SUBMITTAL
ni SEPTEMBER 2011
~ES~~E
B . B
C C
l 9~ .
-1
491 ~q.g1
Chionanthus virginieus sheet Keynotes
D Carpinus caroliniana N /F ~
4g
~ , 9~ 4 X490 UNIVERSITY OF
NORTH CAROLINA
PIN 9789150184
Amelanchier arborea
~l. ~ 1
9 E
0 E ~ ~ ~49 -~4~~
490 ~ ~ ~ _ '~s Rev Date Description of Issue
- - ~ h Project
-
~ _ 495
--~~495
st92
\ ~ ~ F
F Ci,. nanthus vir ieus /
~
- A9 ~ \ Universit of
Y
~ _ - ~ North Carolina
at Cha el Hill p
A 9Q CAROLINA NORTH
~~i~ f INFRASTRUCTURE
G PHASE 1 G
DWQ 401 STORMWATER
. ~ _ 9 SUBMITTAL
S SEPTEMBER 2011
I ~ ~
Sheet Title
PLANTING PLAN
` _ _ ''1
H H
~
V • ~ _ - ~'l a _
4 Scale
. ~ 1" = 20~
~ ~
~ Date: Drawn By
~ ~ ~ HORIZONTAL SCALE \ 09-14-2011 AL
~ ~
0 20 40 Project No.
J
o9so2-o1-004 ~
Q Reuse of Documents:
a ~ ~ This document and the ideas and desians incorporated herein. as an
instrument of Professional Service, is the property of Biohabitats, Inc. Sheet No.
and is not to be used in whole or in part, for any other project without 7 OF 9
09/14/11 2:5 :31 PM I:\PROJ CTS\CAROLINA RTH\EARLY PHLESIGN R DWQ\CAD\PLANS\P NSW.DWG the written authorization of Biohabitats, Inc. 7 8 9 10
1 2 3 4 5 6 7
1 2 3 4 5 6 7 7 8 9 10
A
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PLANTAND COMPOSITION SCH )SITIQN SCHEDULE '.'I~'~:ri'cc~'~~xirRn~ ~'~~il~~?Ui
PRUNE TREE OF ALL MAJOR ZONE 1 -Bioretention :enton 5i2e(acres): 0.27 ~ ~~,~.n,~c '~r,ts'~.: ,~`?;,~~~1I9
REMOVE TREE FROM DEADWOOD CRISS-CROSSING
CONTAINER WITHOUT BRANCHES, AND ANY EXCESSIVE 11uJ/G'c. Ji I r y~, J .'O;, ~ 7:NC i.Yl
DISTURBING ROOT MASS ANDIOR SUCKER GROWTH Overall ~ ~ Minimum .Quantity Frequency
FOR BEST SURVIVAL, TREE SHOULD BE Spacing ° Frequency Species Vegetation StrataC Individual
per acre (I°) PLANTED WITH THE TOP OF THE ROOT (feet c~ °I°) Quantity Species Name '~+omman Name Unjt Spacing Type Size. Mimimum General Notes Spacing (g.)
BALL PARTIALLY OUT OF THE MEDIA. center). DWQ 401 STORMWATER SUBMITTAL
TREES SEPTEMBER 2011
THEY SHOULD BE PLANTED TO HAVE 2 Carpinus carolinana ironv~ood COP! per plan 45 ft. per plan
FROM 1/3 T0112 OF THE ROOT BALL B i Ghionarrthus virginicus White iringekree CON per plan 45 ft, per plan. B
EXCAVATE HOLE 1-112 WITHIN THE MEDIA. LEAVING 213 T01/2 OF 3 = total
TIMES THE WIDTH OF THE THE ROOT BALL ABOVE THE MEDIA. t2 ~o~ SHR[J6S
ROOT MASS. REMOVE zo BACKFILL WITH SOIL OR 20 20 16 llexa'ecia'ua pcssumhava COIN Clustered 3!7allan 27
ALL NON-ORGANIC MATERIAL 20 16 Viburnum denkafum arrcw~wod vit3umum CON Clustered ~ pallon 27
PLANTING MIX AS SPECIFIED 40 FROM THE PLANTING PIT 4d 32 =total HERBAGE®US.
TAMP TO FILL ALL VOIDS AND ~a 436 COMPLETELY AND TAMP --t- , - ~o 30 25.40 Chasmarrthium lafifolium river oats COIN Random !7uart 22
AIR POCKETS LOOSE SOIL BOTTOM OF , 20 20 1fi:00 tnbelia cardenafis cardinal flcWer CON Random quart 27
PIT BY HAND l 3a I 3a 25.aa !i'~rtarda fistulosa bee balm CON. .Random. quad Z2
i 20 16:00. Spiraea tomenfosa steeplebush CON Random quart 27
100 82A =total
117.0 total fnranne'I
Total stems
C per acre 431:111587 C
CON= container
NOT TO SCALE PLANT AND COMPOSITION SCH: ?SITION SCHEDULE
THIN DECIDUOUS SHRUBS OF
ZONE 2 -Bioretention - u ALL MAJOR DEADWOOD AND :~2ntlt]n - 11 ` and Size.(acres): 0.07..
ANY EXCESSIVE AND/OR
SUCKER GROWTH Overall REMOVE SHRUB FROM Minimum Quantity Frequency Frequency Species Vegetation Strataf Individual
CONTAINER WITHOUT FOR BEST SURVIVAL SHRUB SHOULD BE Spacing 'er acre: °lo p B) (°lo) Quantity Species Name Gomman Name. Unit Spacing Type Size Mimimum
DISTURBING ROOT MASS (feekoff PLANTED WITH THE TOP OF THE ROOT BALL center Spacing (ft.)' Sheet Keynotes
1
PARTIALLY OUT OF THE MEDIA. THEY SHOULD D TREES D
EXCAVATE HOLE 1-112 BE PLANTED TO HAVE FROM 1/3 T01/2 OF THE 2 AmelarchrerArborea Gammon eerZeceher~ CON per plan 45 ft. per plan
TIMES THE WIDTH OF ROOT BALL WITHIN THE MEDIA. LEAVING 213 TO 1 Chionarrthus virginicus White Fiingetree CON per plan 4-5 it. per plan 0 3 =total.
1/2 OF THE ROOT BALL ABOVE THE MEDIA. 6 THE ROOT MASS. REMOVE 13 258 SHRUBS
ALL NON-ORGANIC MATERIAL ~ ;~1 ~ 20 20 4 C°allirarpa arr~ericana American be~ukyberry CON. Clustered 3 gallon 28
FROM THE PLANTING PIT AND zo 20 4 = trstal
TAMP LOOSE SOIL IN BOTTOM ~ 10 43.6 HERBAGEt7U5
~o OF PIT BY HAND 30 6 Asclepius tube;rosa butterfly Weed CON RanclDm quoit 23
BACKFILL WITH SOIL OR 3° 30 6 Baptisia albs v~Tite wild indigo CON Random. quark 23
ti za PLANTING MIX AS SPECIFIED ~o 20 4 Coreopsis spp. kickseed CON. Random quad. 28
TAMP TO FILL ALL VOIDS AND ~0 4 Soafrasfnrrir nc~ans IndiaiTgrass CON Ra~ndcm quoit 28
~a 10 2 ~chizacfrpr+urrr scopariu little bluegrass C.ON Rantlom quart 4()
AIR POCKETS 1~0 110 22.0 = trstal
E _ 29,0 total for z>ane ~ E
Total stems.
per arrG ~89.5~94~6
NOT TO SCALE COhl= container Rev Date Description of Issue
Project
0
+ 'Li s~ ZONE 3 -SOD
SOD WILL BE PLANTED IN TH NTED IN THE ZONE 3 AREA SHOWN ON THE PLANTING PLAN SHEET. A FESCUE/BLUEGRASS
MIX IS SUGGESTED FOR THE :D FOR THE SOD PLANTING ZONE.
5~
F
F ESTABLISHMENT NOTES: NOTES:
1. WATER ONCE EVERY TUB EVERY TWO WEEKS IN FIRST YEAR, MONITORING MOISTURE LEVEL
2. WARRANTY ON CONTRA OMS- AN OVERALL MINIMUM SPACING DISTANCE OMS IS ASSIGNED TO )N CONTRACTOR FOR AT LEAST ONE YEAR
THE PLANTING CONFIGURATION *SEE PLANT SCHEDULE* 3. AS NOTED IN THE STORP THE STORMWATER MANUAL, ALL PLANT MATERIAL SHOULD CONFORM TO THE STANDARDS University of
IMS- AN INDIVIDUAL MINIMUM SPACING DISTANCES *IMS* IS ASSIGNED TO OF THE CURRENT EDITI( ZENT EDITION OF AMERICAN STANDARD FOR NURSERY STOCK AS APPROVED BY THE
EACH INDIVIDUAL SPECIES *SEE PLANT SCHEDULE* AMERICAN STANDARDS rANDARDS INSTITUTE, INC. ALL PLANT GRADES SHALL BE THOSE ESTABLISHED BY THE North Carolina
CURRENT EDITION OF AI ~ITION OF AMERICAN STANDARDS FOR NURSERY STOCK. at Chapel Hlll
NOTE: EACH SYMBOL INDICATES A DIFFERENT SPECIES LOCAL NATIVE PLANT NURSI
.ANT NURSERY SOURCES: CAROLINA NORTH
NOT TO SCALE CURE NURSERY, PITTSBORC PITTSBORO, NC (CONTACT: 919-542-6186) INFRASTRUCTURE
MELLOW MARSH FARM, SILEI =ARM, SILER CITY, NC (CONTACT: 919-742-1200) PHASE 1
G
SOD SOURCES DWQ 401 STORMWATER G
SODCO TURF PRODUCERS, ~ )DUCERS, WILLOW SPRING, NC, CONTACT MATTHEW PARRISH (919-552-7075) SUBMITTAL
BERMUDAGRASS: TIFWAY; CEN -IFWAY; CENTIPEDEGRASS: COMMON; ZOYSIAGRASS: COMPADRE, TALL FESCUE: CONFEDERATE; SEPTEMBER 2011
TALL FESCUE/BLUEGRASS MIX- :GRASS MIXTURES: TARHEEL II, ENDEAVOR II, WOLFPACK,CORINATO TDHl5% MIDNIGHT STAR
KENTUCKYBLUE GRASS RASS Sheet Title
CARVER BROTHERS FARMS, R( S FARMS, ROXBORO, NC, CONTACT HAROLD CARVER, (336) 592-0546 PLANTING DETAILS
BERMUDAGRASS: TIFWAY; TALI -IFWAY; TALL FESCUE: BLACK BEAUTY
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Scale
NONE
Date: Drawn By.
09-14-2011 AL
Project No.
J 09802-01-004
Sheet No.
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BIORETENTION CONSTRUCTION SEQUENCING BIORETENTION SOIL MEDIA
A
A 1. AFTER SITE GRADING AND PARKING LOT COMPOSITION: I3i~~h~~itats
CONSTRUCTION IS COMPLETE, STABILIZE ALL - 86% SAND (PER USDA SOIL TEXTURAL ?~~'I?~~ I:r000I'~n~ri~r Itnat'~, A~~;Ili ~iJi
EXPOSED AREAS WITHIN THE LIMIT OF CLASSIFICATION)
DISTURBANCE TO AVOID SEDIMENT TRANSPORT -10% FINES (CLAY AND/OR SILT)
TO BIORETENTION CELL. STABILIZATION SHOULD - 4% ORGANIC MATTER (SUCH AS PEAT MOSS)
BE VERIFIED BY THE ENGINEER PRIOR TO
BIORETENTION CONSTRUCTION ACTIVITIES. ADDITIONAL:
2. INSTALL SAND BAG BARRIER ACROSS PARKING - ONLY A 1 % TOLERANCE IS ACCEPTABLE ON ANY General Notes
LOT ADJACENT TO BIORETENTION AREA TO SOIL COMPONENT DWQ 401 STORMWATER SUBMITTAL
SEPTEMBER 2011
PREVENT RUNOFF FROM ENTERING THE AREA -SOIL MEDIA SHOULD BE FREE OF STONES OR
WHILE THE BIORETENTION CELL IS UNDER DEBRIS B B
CONSTRUCTION. -AFTER MIXING, THE SOIL MEDIA MUST BE TESTED
3. EXCAVATE BIORETENTION AREA TO PROPOSED AND VERIFIED TO HAVE A P-INDEX OF
INVERT DEPTH AND SCARIFY THE EXISTING SOIL APPROXIMATELY 20 t 10
SURFACES, TAKING CARE NOT TO COMPACT THE -AFTER PLACEMENT, THE SOIL MEDIA MUST BE
IN-SITU MATERIALS. TESTED AND VERIFIED TO HAVE AN INFILTRATION
4. INSTALL BIORETENTION OVERFLOW STRUCTURE. RATE OF 1.5 IN/HR 10.25 IN/HR.
THE ELEVATION OF THE STRUCTURE MUST BE
VERIFIED BY THE ENGINEER PRIOR TO MIXING:
PROCEEDING WITH CONSTRUCTION ACTIVITIES. -SOIL PREPARATION SHOULD BE PERFORMED
5. INSTALL 2" BEDDING LAYER OF #57 STONE. OFF-SITE AND TRANSPORTED TO THE FACILITY
6. INSTALL UNDERDRAIN SYSTEM AND OBSERVATION LOCATION WHEN READY FOR INSTALLATION.
~ CLEANOUT WELLS PER PROJECT PLANS. BEFORE TRANSPORT THE SOIL MIX MUST BE C
7. INSTALL REMAINING 10" OF #57 STONE. CERTIFIED AS MEETING THE CRITERIA ESTABLISHED
8. INSTALL FILTER FABRIC ON TOP OF #57 STONE FOR THE SOIL MEDIUM AND APPROVED BY THE SITE
9. INSTALL 4" OF WASHED SAND. INSPECTOR.
10. BACKFILL BIORETENTION AREA WITH 3' OF SOIL -SOIL PREPARATION CAN BE ACCOMPLISHED BY
MEDIA AS SHOWN IN THE PLANS. OVERFILLING IS THOROUGHLY MIXING SOIL COMPONENTS AS
RECOMMENDED TO ACCOUNT FOR SETTLEMENT. NEEDED USING A BACKHOE OR FRONT-END LOADER.
11. PRESOAK THE PLANTING SOIL WITH A WATER
TRUCK PRIOR TO PLANTING VEGETATION TO
ALLOW FOR SETTLEMENT.
Sheet Keynotes
12. EXCAVATE OR FILL TO ACHIEVE PROPER DESIGN
~ GRADE, LEAVING SPACE FOR THE UPPER LAYER D
OF MULCH THAT WILL BRING THE SURFACE TO
FINAL GRADE.
13. INSTALL GRAVEL VERGE AND GRASSED FILTER
STRIP ALONG PARKING LOT SIDE OF
BIORETENTION AS SHOWN IN PLANS.
14. PLANT VEGETATION SPECIFIED ON THE PLANTING
PLAN FOR BIORETENTION AREA.
15. INSTALL 4" MULCH LAYER.
16. AFTER FINAL INSPECTION BY THE ENGINEER,
REMOVE SAND BAG BARRIER.
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Rev Date Description of Issue
Project
F
F
University of
North Carolina
at Chapel Hill
CAROLINA NORTH
INFRASTRUCTURE
G PHASE 1 ~
DWQ 401 STORMWATER
SUBMITTAL
SEPTEMBER 2011
Sheet Title
SEQUENCE OF
CONSTRUCTION
AND NOTES
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Scale
NONE
Date: Drawn By.
09-14-2011 AL
Project No.
J 09802-01-004
Sheet No.
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