SW6101201_APPROVED PLANS_20110103

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
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TASK ORDER NUMBER: W912HN-08-D-0038 0002
SITE CIVIL AND FOUNDATION DESIGN COMPLETE SUBMITTAL
25 AUGUST 2010
Q.B.S., Inc.
1548 LINDEN AVENUE S.
ALLIANCE, OHIO 44601
PHONE:
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BURGESS & NIPLE
100 WEST ERIE STREET
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IDENTIFICATION
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SSMH #8368
RIM: 247.48
SHELF: 238.83
INV IN: 238.05
INV OUT: 237.78
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1, SEAN R. SEEVER, CERTIFY THAT THIS CLASS "C"
TOPOGRAPHIC MAP WAS DRAWN FROM AN ACTUAL SURVEY
PERFORMED UNDER MY DIRECT SUPERVISION AND THAT IT
MEETS OR EXCEEDS THE NORTH CAROLINA ADMINISTRATIVE
CODE 21.56.1605 AND 21.56.1606. WITNESS MY HAND AND
SEAL THIS 4 DAY OF Au u5T , A.D., 2010.
PROFESSIONAL LAND SURVEYOR - L-4571
MATCH LINE - SEE SHEET 2
SILT FENCE
SSMH 0 (T)
RIM: 246.98
SHELF: 239.78 "` Se ---- F SSMH #8201
INV IN: 239.48 8 SF �"`-- (TERMINAL)
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RIM: 242.40
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SHELF: 236.40 w a
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INV IN: 234.90
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INV OUT: 234.85 -_
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®TRANSFORMER
BOX INV: 236.83
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NOTES:
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1)
ALL DISTANCES SHOWN ARE HORIZONTAL INVERT OUT)
D4 WATER VALVE
GROUND DISTANCES UNLESS OTHERWISE NOTED.
FIRE HYDRANT
2)
COMBINED SCALE FACTOR: 0.99986754
LOCALIZATION POINT N: 504,430.441 E: 2,011,216.806
WATER METER
CONTROL ESTABLISHED VIA NORTH CAROLINA GEODETIC SURVEY
STORM DRAIN MANHOLE
VIRTUAL REFERENCE SYSTEM.
® DROP INLET
3)
NO NCGS MONUMENT WITHIN 2000' OF SITE.
4)
LINES NOT SURVEYED AREAS MROM
QS SANITARY SEWER MANHOLE
INFORMATION REFERENCED ONOWN THE FACE OFETHIS
eC0 CLEANOUT
5)
NONCONFORMING STRUCTURES HAVE NOT BEEN CREATED BY
TREE
THIS SURVEY.
6)
LOCATIONS OF ALL UNDERGROUND UTILITIES LYING WITHIN THIS
HANDICAP
MAPPED AREA MAY NOT BE SHOWN ON THIS PLAN. DEVELOPERS OR
® ASPHALT
CONTRACTORS SHOULD NOT ONLY MAKE SUBSURFACE INVESTIGATIONS
CONCRETE
BUT SHOULD ALSO ALLOW FOR CONTINGENCIES WHICH MIGHT ARISE BY
SOIL
REASON OF ENCOUNTERING UNRECORDED LINES OR OF LINES BEING IN
DIFFERENT LOCATIONS THAN INDICATED ON THIS SURVEY.
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UNDER MY SUPERVISION, THIS GPS SURVEY WAS PERFORMED
TO C-211 FGCC SPECIFICATIONS RTK GPS WITH VRS FIELD
PROCEDURES WERE USED. THE COORDINATES WERE OBTAINED
THROUGH A GRID TO GROUND ADJUSTMENT USING THE
COMBINED SCALE FACTOR SHOWN HEREON. THIS SURVEY WAS
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INV IN: 249.59 (8711) SHELF: 236.40 CONTROL POINT RIM: 244.03
INV IN: 240.57 (8293) INV IN: 236.13 (8744) 40 COTTON SPINDLE INV IN: 240.30 (8730)
INV OUT: 240.55 INV IN: 236.57 N: 503,978.112 INV IN: 240.15
INV OUT: 236.07 E: 2,011,477.616 INV OUT: 240.10
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SHEET
IDENTIFICATION
V-101
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VICINITY MAP
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LEGEND:
NOTES
1) ALL DISTANCES SHOWN ARE HORIZONTAL GROUND DISTANCES
UNLESS OTHERWISE NOTED.
2) COMBINED SCALE FACTOR: 0.99986754
LOCALIZATION POINT N: 504,430.441 E: 2,011,216.806
CONTROL ESTABLISHED VIA NORTH CAROLINA GEODETIC SURVEY
VIRTUAL REFERENCE SYSTEM.
3) NO NCGS MONUMENT WITHIN 2000' OF SITE.
4) LINES NOT SURVEYED ARE SHOWN AS DASHED LINES FROM
INFORMATION REFERENCED ON THE FACE OF THIS MAP.
5) NONCONFORMING STRUCTURES HAVE NOT BEEN CREATED BY
THIS SURVEY.
6) LOCATIONS OF ALL UNDERGROUND UTILITIES LYING
WITHIN THIS MAPPED AREA MAY NOT BE SHOWN ON
THIS PLAN. DEVELOPERS OR CONTRACTORS SHOULD
NOT ONLY MAKE SUBSURFACE INVESTIGATIONS BUT
SHOULD ALSO ALLOW FOR CONTINGENCIES WHICH
MIGHT ARISE BY REASON OF ENCOUNTERING
UNRECORDED LINES OR OF LINES BEING IN DIFFERENT
LOCATIONS THAN INDICATED ON THIS SURVEY.
I, SEAN R. SEEVER, CERTIFY THAT THE CONTROL FOR THIS
SURVEY WAS ESTABLISHED FROM AN ACTUAL GPS SURVEY
UNDER MY SUPERVISION. THIS GPS SURVEY WAS PERFORMED
TO C-211 FGCC SPECIFICATIONS RTK GPS WITH VRS FIELD
PROCEDURES WERE USED. THE COORDINATES WERE OBTAINED
THROUGH A GRID TO GROUND ADJUSTMENT USING THE
COMBINED SCALE FACTOR SHOWN HEREON. THIS SURVEY WAS
PERFORMED ON MAY 13, 2010 USING TWO TRIMBLE 5700
RECEIVERS, A
a
PROFESSIONAL LAND SURVEYOR - L-4571
I, SEAN R. SEEVER, CERTIFY THAT THIS CLASS Seca
TOPOGRAPHIC MAP WAS DRAWN FROM AN ACTUAL SURVEY
PERFORMED UNDER MY DIRECT SUPERVISION AND THAT IT
MEETS OR EXCEEDS THE NORTH CAROLINA ADMINISTRATIVE
CODE 21.56.1605 AND 21.56.1606. WITNESS MY HAND AND
SEAL THIS 4 DAY OF AU :�T , A.D., 2010.
TBM:
4D COTTON SPINDLE 8�
N: 504,430.441 c�------------- ------------_------.._----
E: 2,011,216.806 DI #8366 PRb�_SSIONAL, LAND SURVEYOR - L-4571
ELEV: 251.04 GRATE: 252.63
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N: 504,349.618
E: 2,011,504.978
NC GRID NAD 83
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IDENTIFICATION
V-102
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INV IN: 240.63 (8662)
INV IN: 249.59 (8711)
INV IN: 240.57 (8293)
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SHELF: 236.40
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INV IN: 236.57
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CONTROL POINT
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NC GRID NAD 83
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E/C DENOTES "EDGE OF CONCRETE"
/ EM'SfZGENCY W
' OVERFLOW E/CL DENOTES "EDGE OF CENTERLINE" 11 STABLIZED TEMPORARY CONSTRUCTION ENTRANCE (*C-506) --�
` DSO DENOTES "DOWNSPOUT" 12 STABILIZED TEMPORARY CONSTRUCTION EXIT (*C-506)
+ GRA #8778 8 ' TEMPORARY SEDIMENT FENCE 13 TEMPORARY CONCRETE WASHOUT AND REFUELING AREA 0
!�
I NV �T: 241 •90 -S S r BAFFLE (COIR BLANKET OR MESH)
_.. .� 14 TEMPORARY SEDIMENT TRAP NO.21 WITH OVERFLOW WEIR (*C-504)Z
� gAKIs ?RAVEL INLET
' •' 15 OVERFLOW WEIR (*C-504)
--------------- IT�R�OINATER DRAINAGE 16 CONSTRUCTION OFFICE TRAILER LOCATION W
OUTFALL STRUCTURE 0
INV: 241 • 84 TOP: 244.38 17 PROJECT LAYDOWN / MATERIAL STORAGE AREA
a 3 INV: 2 4 0. 18 O DRAINAGE CHARACTERISTICS C3 INV: 240.20 FOR POST DEVELOPED CONDITIONS 18 PROPOSED TEMPORARY CONSTRUCTION HAUL ROUTE
SDMH #8730 (ONSITE AND ADJACENT SITE FLOW O
RIM: 245.41 INTO THE EXISTING DETENTION BASIN 19 PROPOSED PORTABLE TOILET LOCATION N
CONCRETE INV I N : 240.01 LOCATED NORTH OF TRANSPORTATION 20 TEMPORARY SOIL STOCKPILE AREA WITH SEDIMENT FENCE J
PA 4- o ® BOX INV: 239.62 STREET)
T NFORMER - ( OULD NOT SEE
PIPE OUT) hn 10-YEAR, 10 MINUTE * DENOTES "SEE DETAIL SHEET"
811 V RAINFALL INTENSITY = 6.32 IN/HR
SEE SHEETS C-501 THRU C-509 FOR EROSION CONTROL DETAILS. CV
ONSITE (COF 5TH EOD)
2.39 ACRES n f
SDMH ' 110111111/111fo,,I
#8 C-VALUE = 0.51 V CAI ,
24" P 24 " CMP RIM: 244. 03
10 MINUTE TIME OF CONCENTRATION
SEDIMENT AND EROSION
.�aQ�........ ozz
INV I N : 240. 30 (8730)
CONTROL SHALL BE
:2;•'0F�ss�oy�9
INV I N : 24 0. 15
ADJACENT SITE (192ND COF)
STRICTLY ENFORCED
l SEAL ��
INV OUT: 240.10
1.72ACRES
036708
- STORM WATER DETENTION BASIN OUTFALL
C-VALUE = 0.67
0 w 60,
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4'•.
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10 MINUTE TIME OF CONCENTRATION
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SHEET
IDENTIFICATION
CG101
SHEET XX OF XX
-07

0
1 2 3 4 5
r.� O GRADING AND DRAINAGE CODED NOTES
TBM: DI #8366 1 NEW U.S. ARMY COMPANY OPERATIONS FACILITY (EOD) -
4D COTTON SPINDLE GRATE • 252.63 (SEE ARCHITECTURAL PLANS)
N: 504,430.441 INV IN: 246.91 ROW OF 2" RAISED
E : 2.01 1 .216.806 �o INV OUT : 2 45.65 OAK TREES 21 T I L I TY 2 NEW U.S. ARMY COMPANY OPERATIONS FACILITY (EOD)
ELEV: 251 . 04....,•.. .. _... :. •..: •. ... - ,:...:. �. -.:: . :. .
:.... :.• ..:. •.., . i ...' ;: COVERED HARDSTAND(SEE ARCHITECTURAL PLANS)
NC GRID NAD 83 _. a.'... , . 0 COfTICf'��.1r'. .. *.. .. S. � ;�..
FEI ( fi{�
i�lc 4vI '
:•,�•• ': V •WAY%+N' ' '�:.. • ...,. .
A r� L.
S 2007)
.R T
.. S 10 BASIN O
:9 .
3 EXISTING STORM WATER DETENTION T REMAIN
. .
A
8" VC
GRATE:
INV IN: 240•
INV OUT: 240.79
DI #8684 15RCp
GRATE: 244.03
INV OUT: 240.97
SSMH #8721
RIM: 242.40
SHELF: 236.40(
INV IN: 234.90
A INV OUT: 234.85
DI #8724
GRATE: 242.00
BOX INV: 236.83
(OVERSIZED BOX
COULD NOT GET
INVERT OUT)
D #
IRV 8.AGIN: 45N
INV OUT 45
5
/ / d 24)
3S H #8240
3IM: 246\98
5 ELF: 239.78
N-1W;;--- 2_ �5.3.:-48
I V OUT: 239 •zr6
CONCRETE !`p
APRON (U
(L
co
42. 7 I
18
RC
DI #8367
GRATE: 246.98
INV IN: 240.63 (8662)
INV IN: 249.59 (8711)
INV IN: 240.57 (8293)
INV OUT: 240.55
0
;0
0
-o
249
2
10 rSHWT-1 T
249A E
24
4Y OPERATIONS FACILITY
- READINESS MODULE
249.16
FLOOR = 249.20' DE
1 GRADE = 248.70'
SIDE OF BUILDING) 248.94
0 2491.E
249.161
P-3
M-7116
BUILDING
FE: 248.2(ff-:'
.,
M-7316
BUILDING
FE: 247.3
B-5
V TERMINAI
FBI M: 234.
4V`%OUT: 23
CACRETE A
PAP W/
I�A,N CORM ER
:%Ej P
IL IP
-8r 8662
INV OUT: 240.78
/ SSMH #8726
RIM: 243.)7
SHELF: 236.40
INV IN: 236.13 (8744)
INV IN: 236.57
INV OUT: 236.07
S_
5
INFILTI
'-2 BASIN
i
O2 DS
CONTROL POINT
4D COTTON SPINDLE
N: 503,978.112 A
E: 2,011.477.616
NC GRID NAD 83
(NSRS 2007)
�248.5
4
4 EXISTING STORMWATER DRAINAGE SWALE TO BE RE -GRADED Z
CONTROL POIAT 5 NEW STORMWATER INFILTRATION BASIN (*C-512)
4D COTTON SPI DLE
N: 504.4 9-7 88 6 NEW STORMWATER GRASSED FILTER STRIP
21 2" PI 2,1011164 747
7 13 17 N ID NAD 8 7 NEW PVC BALL VALVE FOR FUTURE BASIN MAINTENANCE (TO
SLtMITS OF CONSTRUCTION r �i� nn7 REMAIN CLOSED) (*C-512) ��
f.. a j.. •. 4 A /t�• �/I
• ;. ;': :: ;.::'.:.': ;, PINE 2 " PINE /��
8 NEW 4-INCH SDR 35 PVC DRAIN 0.5% MIN. FOR FUTURE BASIN Z
T B NK
�2 8.5 ^' 4:', . MAINTENANCE O
25 248.60 ' - :.., . '. < . ; .:: , .. .. 9 CONNECT BOOT WASH DRAIN TO DOWNSPOUT DRAIN (SEE
ARCHITECTURAL AND PLUMBING PLANS) M
' =--� . � • 10 NEW 6-INCH SDR 35 PVC DOWNSPOUT DRAIN 1 �
�' ..,. '.: MINIMUM SLOPE) WITH CLEANOUTS (*C-511)
11 NEW 8-INCH SDR 35 PVC DOWNSPOUT DRAIN (1° W
` ►?C •' - ..........`+2�#7:84 CONCRETE /o TYP.,
':•'; 0.50% MIN. SLOPE) WITH CLEANOUTS (*C-511)
:�....:::. . ;.,.•: :.. PAD W
10 :.',r .:J::.:;;•':: CONTROL POINT 12 NEW SPLASHBLOCK AT BUILDING ROOF DRAIN. SPLASHBLOCK J
+ 4D NAIL IN CONCRETE SHALL BE CONCRETE SET STAINED A DARK BROWN MINIMUM a
,:.'.'.."moo~ :« N: 504,349.618 LEGEND c
E : 2,011,504.978 BA-5 olL TEg NG gpp�pX 24"Lx12"Wx2"D. G
L - LOCATION R CONTRACTOR) O
;,.r .:: * _..:.`: NC GRID NAD 83 V
:.� .: Al;E = 246.98 13 NEW CONCRETE HEADWALL *C-511
�T" %'• r';. o: ;. ( NSRS 2007) ( ).
C? 247 95 340 PROPOSED CONTOUR
6 r ' 14 NEW OVERFLOW WEIR WITH ROCK CHANNEL PROTECTION Z
16 i ALE',=2�t6.80-337--- EXISTING CONTOUR (*C-511) ('
246 �a 12 30 .19
DTI • ' ' ` PIPE FLOW ARROW 15 NEW 8-INCH SDR 35 PVC CULVERT UNDER SIDEWALK 2%, TYP. W
A ...
IN
w 0 ; GRADE FLOW ARROW 16 EXISTING 24-INCH STORM SEWER TO REMAIN
4 T/ DENOTES "TOP OF" Z
5 17 NEW 4-INCH PERFORATED PVC VERTICAL STANDPIPE O
21 B/ DENOTES "BOTTOM OF" OBSERVATION WELL (*C-512) _
192ND COF 2-STORY HP DENOTES "HIGH POINT"
EAD I NESS BUILDING 18 TIE -INTO EXISTING STORM STRUCTURE Q
i i I BUILDING RENOrE�A�$��RM WAzFR 0
Z. T/BANK 24 7. 99 SWPPP ROLLUTi EVENTI"FJ {CLAN 19 CONTINUE 4-FT WIDE CONCRETE SWALE THRU NEW Z
ESCP SEDIfVT'"EROSION AN" CONCRETE HARDSTAND
7 13 17 SE C I4TROL P
20 NEW 8-INCH SDR 35 PVC DRAIN 0.5%MIN. FOR FUTURE BASIN O
PVMT DENOTES "PAVEMENT" LL-
MAINTENANCE
_= E/C DENOTES "EDGE OF CONCRETE" 13
21 LIMITS OF DISTURBANCE/CONSTRUCTION WITH TEMPORARY Z
20; FJCL DENOTES "EDGE OF CENTERLINE" CHAINLINK FENCE. COORDINATE FENCE AT COMM & SANITARY Q
u�
4
DS DENOTES "DOWNSPOUT
TIE-INS WITH COE & FIRE DEPT. PRIOR TO PLACEMENT.
J
-O
_
GRADING AND DRAINAGE GENERAL NOTES
D I�
#8778 ti i
TEMPORARY SEDIMENT FENCE
V
GRAT
244.88
1 SEE ARCHITECTURAL PLANS FOR EXACT LOCATION OF
INV O�1T:
241 . 90
BAFFLE COIR BLANKET OR MESH)
(
BUILDING DOWNSPOUT, ROOF DRAINS AND STORM
(j
Z
AN GRAVEL INLET
CONNECTIONS.
2 ADJUST THE NEW TOP OF CASTINGS, FRAMES C/)
_---------'----- :nP,,R, WWATER DRAINAGE AND STRUCTURES TO BE FLUSH WITH FINISHED I
-� OUTFALL STRUCTURE GRADE. O
TOP: 244.38 ��R9
INV: 241.84 ���e•P��1CA/3p.4"'��
INV: 240.18 0 .••' '• �y 3 THE FINISHED GRADE SHALL BE SLOPED AWAY
241 . 3 ?;�OFESSIp ••% N
EXISTING INV: 240.20 : Q•; FROM THE BUILDING AND COVERED HARDSTAND.
:4
BASIN N0.1 3 SEAL s
• 0367 B
SDMH #8730 a i a 4 THE CONTRACTOR SHALL IMPLEMENT THE EROSION U)
RIM: 245. 41 c ••�!VQf CONTROLS AND BEST MANAGEMENT PRACTICES
�Q INV I N : 2 4 0.01 14(BMPS) AS DETAILED IN THE EROSION AND SEDIMENT rr nn
��2-+f""" "' ,� CONTROL PLAN (ESCP) AND STORM WATER POLLUTION V
FORMER "'--COULD NOT SEE PIPE OUT) PREVENTION PLAN (SWPPP). Q
// "
18 VC
24" CMP
5 USE CARE TO MINIMIZE COMPACTION OF INFILTRATION LO
BASINS DURING CONSTRUCTION. LIGHT EQUIPMENT & N
CONSTRUCTION TECHNIQUES THAT MINIMIZE
SDMH #8728 COMPACTION SHALL BE USED. COMPACT INFILTRATION
241, CMP RIM' 24 4.03 AREAS TO ONLY THE MINIMUM REQUIREMENT.
INV IN: 240.30 (8730) INV IN: 240.15 6 OVER -EXCAVATE BUILDING AND PAVEMENT AREAS
INV OUT: 240. 10 APPROX. 3-FEET BELOW SUBGRADE ELEVATION AND
BACKFILL WITH CLEAN COURSE SAND PER GEOTECH
o ao' so' RECOMMENDATIONS. FOR FURTHER DETAILS SEE
SPECIFICATION SECTION 3100 00 EARTHWORK.
7 " *" DENOTES "SEE DETAIL SHEET"
US Army Corps
of Engineers
Savannah District
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IDENTIFICATION
CG111
Slim 10 or 25

1
2 i 3 1 4
5
C
3
:011256.02
IW = 248.67
NV - 247.50
HEADWALL
N 504280.69
E 2011257.96
T/HW = 248.37
8" INV = 247.20
8" VC
HEADWALL
N 604246.37
E 2011318.42
T/HW = 248.50
6" INV = 247.50
E 2011339.50
T/HW = 247.17
8" INV = 246.00
GRATE:
INV IN: 240•
INV OUT: 240.7S
DI #8684 9g R,
GRATE: 244.03
INV OUT: 240.97
D I #8366
GRATE: 252.63
INV IN: 246.91 RAISED
o INV OUT: 245.65 TILITY
Y' X
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IGRATE: 248.12I�
O
tNV IN: 245.51
IINV OUT: 245.4
I I
i W = 248.67
6 l V = 247.50
SSMH #8,240
..•RIM: 245,.98
SHELF: 23@.78
.`• INV IN: 2 48
:.'INV OUT: 239S,3
2
b-
1
nnIere1 1
E 2011242.40
T/HW = 246.83
4" INV = 246.00
E 2011383.55
TOP AT PVMT
6" INV = 246.00
COMPANY OPERATIONS FACILITY
(EOD) - READINESS MODULE
FINISHED FLOOR = 249.20'
FINISHED GRADE = 248.70'
T WEST SIDE OF BUILDING)
HEADWALL S
--�"" N 504257.75
HW7 T/HW = 246.47
DS 8" INV = 245.30 DS
MH ##80
M-7116 (T RMINAI
BUILDING RIM 234.
�i w
.EE 248.2
.,.*INV D T: 23
-- --
�Z 246. 5
.ULL
I I• � -
i� i 244. 4:..
Cn
777
M-7316 = -
BUILDING N
FE: 247.3 `I. V: I
.':,L•.:,;"..^:fit
42. 6 8-- --�`
INV: INV: I
242.68 242.50 i
SSMH #8721
RIM: 242.40
SHELF: 236.40
INV IN: 234.90�
A INV OUT: 234+85
DI #8724
GRATE: 242.00
BOX INV: 236.83
(OVERSIZED BOX
COULD NOT GET
INVERT OUT)
18" VC
DI #8367
GRATE: 246.98
INV IN: 240.63 (8662)
INV IN: 249.59 (8711)
INV IN: 240.57 (8293)
INV OUT: 240.55
A5" RCP
DI #8662
GRATE: 242.99
INV OUT: 240.78
/ SSMH #8726
RIM: 243+07 j
SHELF: 236.40
INV IN: 236.13 (8744)
INV IN: 236.57
INV OUT: 236.07
INFILTRATION
BASIN N 2,33
1
DS
CONTROL POINT
4D COTTON SPINDLE
N: 503,978.112 A
E: 29011,477.616
NC GRID NAD 83
(NSRS 2007)
Ll
HEADWALL
N 504400.88
E 2011434.12
P=24463
6.0
1
�l 504354.79
ii�►J1�S�Z4�ii1
1
I
i
I
I
I
I
1
..
CONTROL POINT
4D NAIL IN CONCRETE
N: 504,349.618
:. E: 2,011,504.978
NC GRID NAD 83
-` (NSRS 2007)
I
192ND COF 2-STORY
j
EAOINESS
BUILDING
j
BUILDING
'
FE:
247.99
Z.
HEADWALL
vl
E 2011451.38
I FI
T/HW = 246.00
Z'
=, •'•
6"INV =245.00
,' ': : •;:.
WITHOUT GRATED COVER
� U
O
HEADWALL
j HI
N 504193.81
E 2011477.08
T/HW = 245.07
D I
#8 7 7 8
8" INV = 243.90
GRAT
244.88
WITHOUT GRATED COVER
NV OBIT:
241.90
NEW 8" INV = 243.00
OUTFALL STRUCTURE
INV: 241,84
TOP: 244.38
at. 3
INV: 240. 18
EXISTING
INV: 240.20
BASIN NO.1
1 a SDMH #8730
RIM: 245.41
INV IN: 240.01
�Q
v0p o BOX INV: 239.62
crOULD NOT SEE
SDMH #8728
24" CMP 24" CMP RIM: 244.03
INV IN: 240.30 (8730)
INV IN: 240-15
INV OUT: 240.10
r l
CONTROL POI T
4D COTTON SPI OLE
N: 504,497. 88
E: 2,011.64 747
NC GRID NAD 8
ON
0
39
N
DRAINAGE LOCATION PLAN CODED NOTES O
1 NEW 33' ATFP STANDOFF PERIMETER FROM
BUILDING
2 NEW 82r ATFP STANDOFF PERIMETER FR
OM
BUILDING
DRAINAGE LOCATION PLAN GENERAL NOTES
1 FOR FURTHER INFORMATION SEE SHEET CG111
AND STORM SEWER DETAIL SHEETS
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SHEET
IDENTIFICATION
CG112
SHEET 11 OF 25
•. t

0
2 1 3
4
5
ui
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w
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w
z
R
o-
C
A
4D COTTON:
I I �rIO� DI #8366
GRATE: 252.63
N: 504,430.441 RAISED
INV IN: 246.91
E: 2,011,216.806 �o INV OUT: 245.65 TILITY
ELEV: 251 •04 r t •i'
,.:
Y • 'L°
Y
NC GRID ai
NAD 83 .. '�•
r d'
•r .
• 4 . �'r '
s: 3' NC
( 2
NSRS 007) �i
• e:
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�t •
.. • f J•.
NAVD 88
CONTROL POI T
-ua--------ua-"-- 4D COTTON SPI DLE .
•' � � 2 N: 504.497. 88
-->t�a- ----- a-- 1 E: 2,011,64 747
- • • •
. .
_ . . . • • . . . 12i NC GRID NAD 8
. .
• LIMITS OF CONSTRUCTION
z O • • • cn ---- 'i • • • • INFILTRAT O . • • �_ r nt�RS �(2�1.
.,p - - _ • _ BASIN NO.23 iv -
U JZc`rr SHEET FLOW
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Kinz
. • . <::.: •.:` ' ,
a, •.r.. } .�., .. .. P. i. fir.-.
cn 59
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O
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r'
Q10 0.10 CFS ��::�
r a•
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Y{ '.
• Q
•:\••i ••1J•r. f. �•A _
IN I'N 24 2
0.34 CF
•Y . f. DS
r:,:�`:;::� �_i•; � :"s�.`: "• MAINTENANCE •• . �"
• o COMPANY OPERATIONS FACILITY .. ;,,...,. - ,: �'':; :�:� :.•....: ; : •. '.`.•" ':• >
J :• ,:::' .: ,..•; :.:..::;::, ., ACCESS TO ,
! 60 (EOD) - READINESS MODULE ;; : COVERED ;w :•: ,:::,:.,•..:
a ': rHARDSTAND,: ?:._.r•: ; r• - LANE STREET
.� FINISHED FLOOR - 249.20 DS � �' -�=�`= °= ° ���':'�:�••�
. • . � ' D FINISHED GRADE = 248.70' Q10= DS
:::
T WEST SIDE OF :•. a. :' • 0 �a:'.':: '. ' CONTROL POINT
� 0.51 CFS ,_; :
Q10= '' ''' >•' 4D NAIL IN CONCRETE
0.10 CFS ; ` ' :; ... `�i:'' ::;;
...,,,:
c�3:�:r�::.: •'::.•� ��' ..:,.f.:,; ::� `�: N• 504 349 618
8" VC
GRATE: 0M
INV IN: 240.
INV OUT: 240.7�
DI #8684 y5:: R
GRATE: 244.03
INV OUT: 240.97
SSMH #8721
RIM: 242.40
SHELF: 236.40
INV IN: 234.90�
A INV OUT: 234.85
ISSMH #8240
(
..:•RIM: 246.98 SHELF: 239.78
.'• INV IN: 239, 48
iINV OUT: 239.36
242. 7
18 le F
81! PVC
242 • 6---""'�� I
INV: INV:
242.68 242.50 ;
DI #8724
GRATE: 242.00
BOX INV: 236.63
(OVERSIZED BOX
COULD NOT GET
INVERT OUT)
LL1 -1 _
0
v
Q10=1.9
V10=5.0
VOL1=1,
Q10=
S 0.10 CFS
Q10=
0.10 CFS
010= 17.17' -
0.19 CFS ~'
DS
r
SMH #8
M-71 16 ( TERM I NA ::'"):-'`•:
BUILDINGRIM: 234.
FE: 248.2 ';" '.''INV OUT: 23 ?`0 co
Np 46• 5
IN
244. 45::
}' BUILDING -
c• FE: 247.3 `.I. V: INV.
J. ••:,.. .:I:.
i :4 o2T4�.•'::
15 r: RCP
DI #8662
GRATE: 242.99
INV OUT: 240r78
E: 2 , 01 1
, 504.978
NC GRID
NAD 83
(NSRS
2007 )
10.79'
1
I� I 192ND COF 2-STORY
lie EADINESS BUILDING
i j BUILDING
i FFE: 247.99
DII #8778
GRAT : 244.88
INV OBIT: 241 -90
n
^O
INV: 241.84
EXISTING 241 • 3
BASIN NOA
OUTFALL STRUCTURE
TOP: 244.38
INV: 240.18
INV: 240.20
a SDMH #8730
RIM: 245.41
�Q INV IN:.240.01
y p ® BOX INV: 239,62
(COULD NOT SEE
181J VC w I -.A \ ..h�///////� L-•-j 1811 VC / Its
DI #8367
GRATE: 246.98
INV IN: 240.63 (8662)
INV IN: 249.59 (8711)
INV IN: 240.57 (8293)
INV OUT: 240.55
/ SSMH #8726
RIM: 243.07 j
SHELF: 236.40
INV IN: 236.13 (8744)
INV IN: 236.57
INV OUT: 236.07
CONTROL POINT
4D COTTON SPINDLE
N: 503,978.112 A
E: 2,011.477.616
NC GRID NAD 83
(NSRS 2007)
SDMH #8728
24 CMP 241, CMP RIM: 244.03
INV IN: 240.30 (8730)
INV IN: 240.15
INV OUT: 240.10
O STORMWATER MANAGEMENT PLAN CODED NOTES
1 PRETREATMENT VEGETATED FILTER STRIP.
PERMANENT SEEDING SHALL CONSIST OF
BERM DA GRASS D L U SS SO SEE DETAIL SHEET C-503.
2 MAINTENANCE ACCESS
STORMWATER_MANAGEMENT PLAN GENERAL NOTES
1 FOR FURTHER INFORMATION SEE SHEET CG111 AND STORM
SEWER DETAIL SHEETS
2 INFILTRATION BASINS ARE DESIGNED PER NCDENR BMP
MANUAL 16.3.9(4), THE 10 YEAR, 24 HOUR EVENT CAN BE
INFILTRATED WITHOUT DISCHARGING THE SYSTEM USING
AN INFILTRATION RATE OF ONE-HALF OF THE INFILTRATION
RATE REPORTED IN THE SOILS REPORT. NO BYPASS, NO
VEGETATED FILTER STRIP, AND NO ADDITIONAL STORAGE
VOLUME IS REQUIRED. SEE CALCULATIONS.
3 FLOW DISTRIBUTION
NOTES:
"Q10" DENOTES "10-YEAR DISCHARGE FLOW RATE"
"V10" DENOTES "10-YEAR DISCHARGE VELOCITY"
"VOL1" DENOTES "1 YEAR DISCHARGE VOLUME"
4 "NO PORTION OF PROJECT SITE LIES WITHIN 100 FEET OF
ANY WATER, WETLANDS OR AREAS OF SPECIAL CONCERN"
PER RFP SECTION 0110 00 PARA.6.14.5. SITE SELECTION
AND PRELIMINARY DESIGN EFFORTS WERE FACILITATED BY
THE US ARMY CORPS OF ENGINEERS (USACE), SAVANNAH
DISTRICT, OPERATING AS THE GOVERNMENT OFFICIAL.
COORDINATE TABLE
O
NORTHING
EASTING
ELEVATION
DESCRIPTION
51
604,273.77
2,011,471.66
244.0
TOP OF SAND FOR INFILTRATION BASIN NO.22
52
504,198.08
2,011,479.57
244.0
TOP OF SAND FOR INFILTRATION BASIN NO.22
53
504,197.25
2,011,471.61
244.0
TOP OF SAND FOR INFILTRATION BASIN NO.22
54
1 504,248.40
2,011,464.36
244.0
TOP OF SAND FOR INFILTRATION BASIN NO.22
55
504,258.56
2,011,450.84
244.0
TOP OF SAND FOR INFILTRATION BASIN NO.22
56
504,262.99
2,011,444.95
244.0
TOP OF SAND FOR INFILTRATION BASIN NO.22
57
504,408.04
2,011,439.56
246.0
TOP OF SAND FOR INFILTRATION BASIN NO.23
58
504,406.36
2,011,427.68
246.0
TOP OF SAND FOR INFILTRATION BASIN NO.23
59
1 504,348.82
2,011,235.86
246.0
TOP OF SAND FOR INFILTRATION BASIN NO.24
60
1,504,309.21
2,011,241.49
246.0
TOP OF SAND FOR INFILTRATION BASIN NO.24
N
LEGEND
MAINTENANCE ACCESS
r�J' •`>
' •'�'
.V
CONCRETE PAVEMENT
•
PRETREATMENT
•
VEGETATED FILTER STRIP
An
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IDENTIFICATION
C6113
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4
5
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PRE -DEVELOPED ONSITE
Drainage Area = 2.29 acres
Roof & Pond Area = 0.09 acres C=1.0
Impervious Area = 0.47 acres C=0.95
Unimproved Pervious Area = 1.73 acres C=0.35 1 #8366
Weighted Runoff Coefficient: C=0.50 GR E:252.63
IN IN.. 246.91 ROW OF 2"
INV UT: 245.65 OAK TREES
•s• wt .w.. wr ♦. a. .S•: •'. •w.. ..I I•+..w • � \. .••• •
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GRATE: ?48.12
INV; IN:; 245.52
INV;OUTJ 245.42
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,:,R I,rM: 246.98
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1 INV IN: 239.48
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FE: 247.:
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" ( TERM I NAI
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INV OUT: 240.79 CONCF�E� i`E P
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RIM: 242.40 --------
SHELF: 236.40
INV IN: 234.90
INV OUT: 234.85
DI #8724
GRATE: 242.00
BOX INV: 236.83
Q (OVERSIZED BOX
COULD NOT GET
INVERT OUT)
00- DI #8367
GRATE: 246.98
INV IN: 240.63 (8662)
INV IN: 249.59 (8711)
INV IN: 240.57 (8293)
INV OUT: 240.55
------- Ir-•MM----------
/ SSMH #8726
RIM: 243.07
SHELF: 236.40
INV IN: 236.13 (8744)
INV IN: 236.57
INV OUT: 236.07
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192ND COF 2-STORY
ADJACENT SITE
i
EADINESS BUILDING
BUILDING
Area = 1.72 acres
FFE: 247.99
Roof & Pond Area = 0.41 acres C=1.0
1�
Impervious Area = 0.55 acres C=0.95
Pervious Area = 0.76 acres C=0.30
Weighted
Runoff
Coefficient:
C=0.67
t ?
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1 1
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778
GRATE:
244.88
INV OUT
241.90
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TOP:
44.38
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INV:
240.18
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240.20
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245.41
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24" CMP 24" CMP RIM: 244.03
INV IN: 246.30 (8730)
INV IN: 240.15
INV OUT: 240.10
SSMH
#8744
RIM: 245.93
SHELF:
240.63
INV 1N:
239.16
INV OUT:
239.11
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C6801
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POST DEVELOPED ONSITE AREA
TO NEW INFILTRATION BASIN-23 (NORTH)
Drainage Area = 0.46 acres
Impervious Area = 0.04 acres C=0.95
I Pervious Area = 0.42 acres C=0.30
GRATE :� 252.63 6Weighted Runoff Coefficient: C-0.36
I INV IN: 246.91 ROW OF 2" RAISED
n
-o TY
AK TREES--) T lLl INV OUT. 245.65 0 EES
♦_• Y
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247
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R k,M: 246.98
SHELF: 239.78
10 IN: 239.48 -r---
INV OUT: 239.-ql
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CONCRETE p
APRON Iv
GRATE:
INV IN: 240. ,-------
INV OUT: 240.79 ---.
D 1 #8684 l s " RCP '
GRATE: 244.03 ;
INV OUT: 240.97
1--------. -' n PVC,
e +4 6
--- INV.--
t ----- 242.50
242.68
A SSMH #8721 --
RIM: 242.40
SHELF: 236.40 -1E
INV IN: 234.90
INV OUT: 234.85
DI #8724
GRATE: 242.00
BOX INV: 236.83
Q (OVERSIZED BOX
COULD NOT GET
INVERT OUT)
HE
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FE: 247.3 1. V; r
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tD INV OUT: 240.78
------ x------- -474-----------
DI #8367
GRATE: 246.98
INV IN: 240.63 (8662)
INV IN: 249.59 (8711)
INV IN: 240.57 (8293)
M-7116 SMH #821
`' ' ( TERM 1 NAI
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RIM: 242 07 j
SHELF: 236.40
INV IN: 236.13 (8744)
INV IN: 236.57
INV OUT: 236.07
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'•j�ti •„•.. �'s •:,� �' •i••' ••a �.• !•• is •y.. •:�i �': •' :•..: J. s.y••.'•^ ,'ri''� • J: �.v t`s, !-. :..••.,.
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PAD
riv.(. t�.'i •.
Dry. aj' ' ` '�•'•�"''' POST DEVELOPED ONSITE AREA
TO NEW INFILTRATION BASIN-22 (SOUTH)
Drainage Area = 1 13 acres
s Roof & Pond Area = 0.26 acres C=1.0
`.:,: Impervious Area
I. yf•
�.�••rr Pervious Area_ = 0.26 acres C=0.95
0.61 acres C=0.30
Weighted Runoff Coefficient: C=0.61
192ND COF 2-STORY
HEADINESS BUILDING
BUILDING
FFE: 247.99
1
DII 778
GRAT 244.88
INV OBIT 241.90
.0
b
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NV: 2
84 -` ��;
TO P: 44.38
.
INV: 40.18
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1 EXISTI
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INV: 240.20
i BASIN
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=_ -
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24 CMP
24,r CMP
RIM: 244.03
-
INV
IN: 240.30 (8730)
INV IN: 240.15
INV OUT: 240.10
ADJACENT SITE
TO EXISTING BASIN-1 (SOUTHEAST)
Area = 1.72 acres
Roof & Pond Area = 0.41 acres C=1.0
Impervious Area = 0.55 acres C=0.95
Pervious Area = 0.76 acres C=0.30
Weighted Runoff Coefficient: C=0.67
POST DEVELOPED ONSITE AREA
TO EXISTING BASIN-1 (SOUTHEAST)
Drainage Area = 0.33 acres
Pond Area = 0.04 acres C=1.0
Impervious Area = 0.08 acres C=0.95
Per
Area = 0.21 acres C=0.30
Weighted Runoff Coefficient: C=0.54
SMSSMH #8744
RIM: 245.93
SHELF: 240.63
INV IN: 239.16
INV OUT: 239.11
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E: 2,011,477.616
NC GRID NAD 83
(NSRS 2007)
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TRANFORMER
N: 504,497.288
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0
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INFILTR
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NEW U.S. ARMY COMPANY OPERATIONS FACILITY (EOD) -
(SEE ARCHITECTURAL & STRUCTURAL PLANS)
2
NEW COVERED HARDSTAND SEE ARCHITECTURAL AND STRUCTURAL
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NEW 82' ATFP STANDOFF PERIMETER FROM BUILDING
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END NEW SIDEWALK AT EXISTING SIDEWALK &PARKING LOT;
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10
MEET EXISTING CONCRETE PAVEMENT
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NEW AIR COOLED CHILLER & CONDENSING UNITS
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(SEE MECHANICAL PLANS)
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` 4D NAIL IN CONCRETE
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N. 504,349.618
12
NEW CONCRETE PAD & ELECTRICAL TRANSFORMER (ALL BY SUS)
' E: 2,011,504.978
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13
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` •
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NOT USED
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NEW CONCRETE PAD AND BICYCLE RACK WITH CAPACITY FOR 5
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0
DOUBLE SWING GATE (SEE DETAIL SHEETS S-501, A-801, & MECHANICAL
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192ND COF 2-STORY
17
CONTINUE 4-FT WIDE CONCRETE DRAINAGE SWALE THROUGH NEW
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Q
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FFE : 247.99
18
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ALL PLAN CALLOUTS ARE IN FEET AND INCHES, TYPICAL.
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GRATE:
INV IN: 240.
INV OUT: 240.7�
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GRATE: 244.03
INV OUT: 240.97
SSMH #8721
RIM: 242.40
SHELF: 236.40
INV IN: 234.901
INV OUT: 234.85
DI #8724
GRATE: 242.00
BOX INV: 236.83
(OVERSIZED BOX
COULD NOT 'GET
INVERT OUT)
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UTILITY PLAN CODED NOTES
DI #8366
1
NEW U.S. ARMY COMPANY OPERATIONS FACILITY (EOD) -
'
GRATE: 252.63
ROW
RAISED
(SEE ARCHITECTURAL PLANS)
INV IN: 246.91
OF 2"
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INV OUT: 245.65
OAK TREES
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E 2011328.7
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CONCRETE
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INV: INV:
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DI #8367
GRATE: 246.98 '
INV IN: 240.63 (8662)
INV IN: 249.59 (8711)
INV IN: 240.57 (8293)
INV OUT: 240.55
COMPANY OPERATIONS FACILITY
(EOD) - READINESS MODULE
0 N 504283.69 DS
E 2011412.08
VC
SMH #82�(
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BUILDING „ AIM: 234.
FE: 248.2 : INVI OUT: 23
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FE: 247.3 :`I. V: I
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15" RCP
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GRATE: 242.99
INV OUT: 240.78
/ SSMH #8726
RIM: 243.07
SHELF: 236.40
INV IN: 236.13 (8744)
INV IN: 236.57
INV OUT: 236.07
El
INFILTRATION
BASIN NO.23
DS
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E: 2,011,477.616
NC GRID NAD 83
(NSRS 2007)
E 2011
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3
NEW 6 DIA PVC SANITARY SEWER SERVICE LINE (BY ONUS)
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4
NEW SANITARY SEWER CONNECTION AT NEW
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36
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5
NEW SANITARY SEWER CLEANOUT (BY ONUS)
V
N: 504.49-7 88
2" PINE E: 2.01 1 .64 747
NC GRID NAD 8
6
NEW 6"DIA. FIRE PROTECTION WATER SERVICE LINE (BY ONUS)
GILIMITS OF CONSTRUCTION r KlgRS 2(Inz "„
•
7
NEW 6" DIA. FIRE LINE POST INDICATOR VALVE ON FIRE
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• '
PROVIDE POWER.AM
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35
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DEMO EXISTING WATER TO CURB TAKE (2) EXISTING SSMH'S DOWN
8
NEW FIRE HYDRANT WITH 6" VALVE AND VALVE BOX (BY ONUS)
V
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BELOW GRADE FLOWABLE FILL EXISTING TERRA-COTTA PIPE
(ALL BY ONUS)
9
NEW FIRE DEPARTMENT CONN. LOCATED ON BUILDING WALL
'-< P 36
EXISTING UNDERGROUND ELECTRIC (APPROX. LOCATION)
10
NEW 6 RPZ, DOUBLE CHECK, REDUCED PRESSURE BACKFLOW
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PREVENTER IN ABOVEGROUND HOT BOX PROVIDED ON FIRE
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_
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NEW UNDERGROUND PRIMARY ELECTRIC BY SUS (APPROX.
SERVICE LINE (BY ONUS) G.C. TO PROVIDE POWER.
LL
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F.
11
NEW CABLE TV STUB (SEE ELECTRIC PLANS)
(LJ
38
NEW 8" DIA. PVC SANITARY SEWER SERVICE LINE (BY ONUS)
J
12
NEW 2" DIA. DOMESTIC WATER SERVICE LINE (BY ONUS)
a
39
REPLACE EXISTING PAVEMENT AT NEW UTILITY CROSSING.
13
NEW 6" DIA. WATER LINE (BY ONUS)
O
"
UTILITY PLAN GENERAL NOTES
V
'•
14
NEW 1" DIA. WATER LINE FROM READINESS BUILDING TO COVERED
1. SEE MECHANICAL, PLUMBING, ELECTRICAL, AND
HARDSTAND (SEE PLUMBING PLANS)
z
TELECOMMUNICATIONS PLANS FOR EXACT LOCATIONS OF BUILDING
.,
UTILITY CONNECTIONS AND UTILITY DETAILS.
15
NEW WATER VALVE (BY ONUS)
2. NEW UTILITIES SHALL END 5 FEET OUTSIDE OF BUILDING, TYPICAL.
16
NEW 2" TAPPING SADDLE, GATE VALVE, WATER METER, METER BOX W
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& SETTER, & 2" RPZ IN ABOVEGROUND HOT BOX ON DOMESTIC
0
N 504267.50
3. COORDINATE SHUT DOWN OF ANY UTILITY WITH THE BASE DPW
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AND THE COR.
E 2011445.61
17
TIE NEW WATER LINE INTO EXISTING WATER LINE WITH
O
I 192ND COF 2-ST
4. CONTRACTOR SHALL VERIFY ALL UNDERGROUND UTILITY -
8" X 6" TAPPING SLEEVE AND VALVE (BY ONUS)
E A D I N E S S B U I L D LOCATIONS AND DEPTHS PRIOR TO DIGGING.
Q
BUILDING
18
NEW BOOTITA 50 GEAR WASHING STATION WITH FREEZE PROOF
F F E , 247.99
5. UTILITIES BY ONUS AND SUS ARE APPROXIMATE LOCATIONS.
BIBS AND DRYING RACK (SEE ARCHITECTURAL & PLUMBING PLANS)
z
6. DOMESTIC WATER, FIRE WATER, AND SANITARY SEWER WORK IS
19
NEW NATURAL GAS METER & REGULATOR ASSEMBLY
j!
BY ONUS. BUILDING CONTRACTOR TO END WATER AND SANITARY
Q
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5-FEET OUTSIDE OF BUILDING. COORDINATE WITH ONUS.
20
TIE NEW NATURAL GAS LINE INTO EXIST. NATURAL GAS LINE
L.L"
7. COORDINATE GAS CONNECTION WITH GAS COMPANY.
21
NEW 1 DIA. P.E. NATURAL GAS SERVICE LINE
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8. NEW MANHOLES & COVERS TO BE LABELED AS FOLLOWS:
22
NEW NATURAL GAS VALVE
Q
HI STORM: "D" OR "STORM DRAINS TO WATERWAYS" J
TELECOMMUNICATIONS: 'TELECOMMUNICATIONS" 23 NEW U.G. POWER & COMM. TO HARDSTAND (SEE ELECTRIC PLANS) ;
D I #8 7 7 8 i GAS: "GAS"
GRAT : 24 4. 88 24 NEW U.G. POWER & COMM. TO CHILLER (SEE ELECTRIC PLANS) U
I NV .JT : 241.90 9. " * " DENOTES "SEE DETAIL SHEET; "G.C." DENOTES "GENERAL W
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10. SEE SHEETS CG111 & CG112 FOR STORM SEWER INFORMATION ( 5
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OUTFALL STRUCTURE CHILLED WATER SUPPLY AND RETURN LINES (SEE MECHANICAL & O
,, PLUMBING PLANS �
INV• 241.84 TOP: 244.38 .•`'pP� kCAq 0*0 ) O
INV: 240. 18 a�..:ofEssioy: y•,,� 0
EXISTING INV: 240.20 =QQ gEAL 9� i 27 NEW CONC. PAD AND ELECTRICAL TRANSFORMER (ALL BY SUS)
BASIN NO.1 's 036708 f�-
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PAD' W/
TRANFORMER
18"
24" CMP
N 504,039.35
E 2,011,478.01
2 SDMH #8730 p'•.F,y Q.•=\v 28 NOTUSED (J)
J RIM: 245.41
•!Y BAc ;.•
Q INV IN: 240.01
'''1,1%�n „ 29 NEW UNDERGROUND SECONDARY ELECTRIC DISTRIBUTION FROM
A 0 M�N� 239.62-"`t TRANSFORMER TO BUILDING (SEE ELECTRIC &
30 - (COULD NOT SEE PIPE OUT) TELECOMMUNICATIONS PLANS) Q
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30 EXIST. NATURAL GAS LINE (APPROX. LOCATION, FIELD VERIFY) N
31 EXISTING WATERLINE
SDMH #8728 32 NEW CONDENSING UNIT WITH UNDERGROUND REFRIGERANT LINES
2411 CMP RIM: 244.03 (SEE MECHANICAL & PLUMBING PLANS
INV IN: 240.30 (8730) )
INV IN: 240.15
INV OUT: 240.10 0 3V 60' 33 NEW UNDERGROUND COMMUNICATIONS LINE (SEE ELECTRIC &
TELECOMMUNICATIONS PLANS)
l" - 30 34 TIE-IN COMMUNICATIONS LINE TO EXIST. MANHOLE, APPROX.
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IDENTIFICATION
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SHEEP 14 OF 25

4
5
GENERAL
THE CONTRACTOR SHALL AT A MINIMUM IMPLEMENT THE CONTRACTOR'S
D REQUIREMENTS OUTLINED BELOW AND THOSE MEASURES SHOWN ON
THE EROSION AND SEDIMENT CONTROL PLAN. IN ADDITION THE
CONTRACTOR SHALL UNDERTAKE ADDITIONAL MEASURES REQUIRED TO
BE IN COMPLIANCE WITH APPLICABLE PERMIT CONDITIONS AND STATE
WATER QUALITY STANDARDS. DEPENDING ON THE NATURE OF
MATERIALS AND METHODS OF CONSTRUCTION THE CONTRACTOR MAY
BE REQUIRED TO ADD FLOCCULANTS TO THE RETENTION SYSTEM PRIOR
TO PLACING THE SYSTEM INTO OPERATION.
NARRATIVE
THE PROJECT SUBMITTAL FOR EROSION AND SEDIMENT CONTROL WILL
CONSIST OF NEW CONSTRUCTION OF THE
EOD COMPANY OPERATIONS FACILITY, ASSOCIATED SITE
INFRASTRUCTURE, NPDES CONTROL MEASURES, AND FINAL
STABILIZATION. HENCE, THIS SUBMITTAL WILL SHOW THE
NEW CONSTRUCTION,
DURING NEW CONSTRUCTION THE FOLLOWING BMP'S WILL BE USED TO
CONTROL EROSION AND REDUCE OFF SITE SEDIMENTATION:
C * SEDIMENT TRAP
* DIVERSION DITCH
* CONSTRUCTION ENTRANCE
* SEDIMENT FENCE
* INLET PROTECTION
* GRASS —LINED SWALES
* TEMPORARY AND PERMANENT SEEDING
* OUTLET STABILIZATION STRUCTURES
THE EXISTING STORM DRAIN SYSTEM AND ASSOCIATED E&S CONTROL
MEASURES WILL NOT BE REMOVED UNTIL THE INITIAL BMP'S HAVE
BEEN INSTALLED PER THESE PLANS (SEE SEQUENCE OF MAJOR
ACTIVITIES THIS SHEET).
THE AREA OF THE LAND DISTURBANCE IS APPROXIMATELY 3 ACRES.
PER THE NRCS SOILS MAP, THE SOIL TYPE IS LAKELAND-URBAN LAND
COMPLEX (LBB). HOWEVER, PER THE CONTRACTOR'S ONSITE
GEOTECHNICAL INVESTIGATION, THE SOIL PROFILE IS MORE APTLY
CLASSIFIED AS A WAGRAM-URBAN LAND COMPLEX (WGB). THE SITE
GENERALLY SLOPES FROM NORTHWEST TO SOUTHEAST WITH
ELEVATIONS RANGING FROM A HIGH OF 253' AT THE NORTHWEST
CORNER OF THE SITE TO A LOW OF 245' AT A POINT IMMEDIATELY
B WEST OF THE EXISTING DETENTION POND NO.1 LOCATED IN THE
SOUTHEAST CORNER OF THE SITE. THIS DETENTION BASIN IS LOCATED
NORTH OF TRANSPORTATION STREET IN THE EXTREME SOUTHWEST
CORNER OF THE 192nd COF SITE.
STORMWATER IS COLLECTED VIA SHEET AND OPEN CHANNEL FLOW
CONVEYENACE SO THAT RUNOFF IS ALLOWED TO PASS THROUGH
GRASSED MEDIA PRIOR TO BEING DIRECTED INTO (3) NEW INFILTRATION
BASINS. THIS PRETREATMENT WILL ENHANCE THE EFFICIENCY OF THE
INFILTRATION BASINS AND LESSEN THE NEED FOR SEDIMENT REMOVAL
IN THE INFILTRATION AREAS. A SMALL GRASSED AREA NORTHWEST OF
THE NEW BUILDING FLOWS TO AN EXISTING CATCH BASIN, WHILE
RUNOFF FROM THE NEW CONSTRUCTION PASSES THROUGH THE
INFILTRATION AND DETENTION BASINS. STORMWATER LEAVES THE
VICINITY THROUGH A CLOSED DRAINAGE SYSTEM OF EXISTING
UNDERGROUND STORM SEWER PIPES ALONG TRANSPORTATION STREET.
THE SITE LIES WITHIN THE CAPE FEAR RIVER BASIN.
NOTE THAT RUNOFF RESULTING FROM THE ADJACENT 192nd COF
FACILITY'S HARDSTAND IS DIRECTED TO EXISTING DETENTION BASIN
NOA (LOCATED SOUTHEAST OF THE EOD COF SITE) VIA A GRASSED
LINED SWALE EAST OF THE MAIN INFILTRATION BASIN. EXISTING
DRAINAGE PATTERNS ASSOCIATED WITH THE 192nd COF FACILITY HAVE
A NOT BEEN ALTERED DUE TO EOD COF CONSTRUCTION AND
ACCOUNTING FOR OFF —SITE DRAINAGE IS A KEY COMPONENT
INTEGRATED INTO THE DESIGN OF THE STORM SEWER SYSTEM.
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EROSION CONTROL PLAN
CONTRACTOR'S REQUIREMENTS
CONSTRUCTION
2010
SCHEDULE
2011
A. INITIAL BMP'S - SEDIMENT FENCE, CONSTRUCTION ENTRANCE/EXIT AND INLET PROTECTION AT EXISTING INLETS.
B. INSTALLATION OF THE SEDIMENT TRAP.
C. INTERMEDIATE PHASE BMP'S - TEMPORARY SEEDING.
D. GRADING AND DRAINAGE ACTIVITIES OCCURRING.
E. BUILDING, PAVEMENT AND UTILITY CONSTRUCTION
F. INSTALL INFILTRATION BASINS AND FINAL PHASE BMP'S.
SEQUENCE OF MAJOR ACTIVITIES:
THE CONTRACTOR SHALL NOTIFY THE COE ENVIRONMENTAL SPECIALIST AT (910-396-1211 X
223) SEVEN (7) DAYS BEFORE COMMENCING ANY LAND DISTURBING ACTIVITY AND, UNLESS
WAIVED BY THE COE, SHALL BE REQUIRED TO HOLD A PRE —CONSTRUCTION MEETING
BETWEEN PROJECT REPRESENTATIVES AND A REPRESENTATIVE OF COE.
THE ORDER OF ACTIVITIES WILL BE AS FOLLOWS:
AT FORT BRAGG EOD COF SITE
INITIAL BM P — TO BE INSTALLED PRIOR TO ANY LAND DISTURBING ACTIVITY INCLUDING
DEMOLITION
I. INSTALL STABILIZED CONSTRUCTION ENTRANCE/EXIT
2. INSTALL PERIMETER SEDIMENT FENCES AS REQUIRED
3. INSTALL INLET PROTECTION
4. CONSTRUCT TEMPORARY SEDIMENT TRAP
5. CONSTRUCT TEMPORARY DIVERSION TO SEDIMENT TRAP
6. GRADE "BYPASS SWALE" AND APPLY PERMANENT SODDING
INTERMEDIATE BMP
7. PERFORM CLEARING, GRUBBING AND MASS GRADING. STOCKPILE TOP SOIL IF REQUIRED.
8. GRADE "SOUTHWEST SWALE"
9. APPLY TEMPORARY SEEDING AS REQUIRED. NOTE: DISTURBED AREAS THAT ARE NOT
ANTICIPATED TO BE BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 21 CALENDAR
DAYS MUST RECEIVE TEMPORARY SEEDING.)
10. INSTALL UTILITIES
11. INSTALL RIP —RAP OUTLET PROTECTION AT STORM SEWER DISCHARGE POINTS AS
INDICATED ON THE PLAN.
FINAL STABILIZATION
12. COMPLETE FINAL PAVING.
13. REMOVE ACCUMULATED SEDIMENT FROM SEDIMENT TRAP.
14. ONCE SITE IS TEMPORARILY STABILIZED AND BUILDING CONSTRUCTION IS COMPLETE,
INSTALL INFILTRATION BASINS.
15. APPLY PERMANENT SEEDING AS REQUIRED. NOTE: ALL AREAS WHICH HAVE BEEN
DISTURBED BY CONSTRUCTION WILL, AS A MINIMUM, BE SEEDED. PERMANENET VEGETATION
MUST BE SEEDED WITHIN 15 WORKING DAYS OR 90 CALENDAR DAYS (WHICHEVER IS
SHORTER) AFTER FINAL GRADE IS REACHED.
16, ONCE FINAL STABILIZATION IS ACHIEVED, REMOVAL ALL TEMPORARY SEDIMENT CONTROL
DEVICES (SEDIMENT FENCE, INLET PROTECTION).
CONTACT PERSON FOR DAILY EROSION CONTROL
MR. STEVEN KEMPF
QBS INC.
PHONE [phone]
PERSON FINANCIALLY RESPONSIBLE
OWNER / DEVELOPER CERTIFICATION
I ! WE HEREBY CERTIFY THAT ALL CLEARING, GRADING, CONSTRUCTION, AND / OR DEVELOPMENT WILL BE DONE PURSUANT
TO THIS PLAN AND THAT ANY RESPONSIBLE PERSONNEL INVOLVED IN THE CONSTRUCTION PROJECT WILL HAVE A
CERTIFICATE OF ATTENDANCE OF A NORTH CAROLINA APPROVED TRAINING PROGRAM FOR THE CONTROL OF SEDIMENT
AND EROSION BEFORE BEGINNING THE PROJECT. 1 HEREBY AUTHORIZE THE RIGHT OF ENTRY FOR PERIODIC ONSITE
EVALUATION BY STATE OF NORTH CAROLINA, DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES, COMPLIANCE
INSPECTORS.
DATE
OWNER / DEVELOPER SIGNATURE
CARD NO. PRINTED NAME AND TITLE
SEDIMENT AND EROSION CONTROL
SHALL BE STRICTLY ENFORCED
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IDENTIFICATION
C-501
SHEET XX OF -
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2 I 3
4
5
EROSION & SEDIMENT CONTROL GENERAL NOTES
D 1. THE LIMITS OF DISTURBANCE IS 3 ACRES.
2. PER THE NRCS SOILS MAP, THE ENTIRE SITE SOIL TYPE IS
LAKELAND-URBAN LAND COMPLEX (LBB). PER THE CONTRACTOR'S
GEOTECHNICAL INVESTIGATION ONSITE, THE SOIL PROFILE IS MORE
APTLY CLASSIFIED AS A WAGRAM-URBAN LAND COMPLEX (WGB).
3. STABILIZED CONSTRUCTION EXITS AND SEDIMENT FENCE SHALL BE
PLACED PRIOR TO ANY LAND DISTURBANCE.
4. ALL BMP'S SHOWN SHALL BE INSTALLED PRIOR TO ANY
LAND —DISTURBING ACTIVITY TAKING PLACE
5. TEMPORARY (Ts) AND PERMANENT SEEDING (Ps) AND MULCHING
(M) ARE THE METHODS OF DUST CONTROL FOR THIS PROJECT AND
SHALL OCCUR DURING AND AFTER LAND DISTURBING ACTIVITY.
6. SEDIMENT CONTROL MEASURES SHOWN HEREON SHALL BE
REMOVED WHEN THE SITE IS STABILIZED.
CONTROLS
IT IS THE CONTRACTORS RESPONSIBILITY TO IMPLEMENT THE EROSION
AND SEDIMENT CONTROLS AS SHOWN ON THE EROSION AND SEDIMENT
CONTROL PLAN. IT IS ALSO THE CONTRACTORS RESPONSIBILITY TO
ENSURE THESE CONTROLS ARE PROPERLY INSTALLED, MAINTAINED AND
FUNCTIONING PROPERLY TO PREVENT POLLUTED WATER FROM LEAVING
THE PROJECT SITE. THE CONTRACTOR WILL ADJUST THE EROSION
CONTROLS SHOWN ON THE EROSION AND SEDIMENT CONTROL PLAN
AND ADD ADDITIONAL CONTROL MEASURES, AS REQUIRED, TO ENSURE
THE SITE MEETS ALL FEDERAL, STATE AND LOCAL EROSION AND
SEDIMENT CONTROL REQUIREMENTS. THE BEST MANAGEMENT
PRACTICES WILL BE IMPLEMENTED BY THE CONTRACTOR AS REQUIRED
BY THE EROSION AND SEDIMENT CONTROL PLAN AND AS REQUIRED TO
MEET THE EROSION AND TURBIDITY REQUIREMENTS IMPOSED ON THE
PROJECT SITE BY THE REGULATORY AGENCIES.
STRUCTURAL PRACTICES
1. TEMPORARY SEDIMENT TRAP:
A SEDIMENT TRAP SHALL BE INSTALLED IN THE DRAINAGE WAY NEAR
THE POINT OF DISCHARGE FROM THE DISTURBED AREA. THE SEDIMENT
B
TRAP SHALL BE CONSTRUCTED IN CONJUNCTION WITH A TEMPORARY
DIVERSION DIKE.
STANDARD STABILIZATION NOTE
FOLLOWING INITIAL SOIL DISTURBANCE OR RE -DISTURBANCE,
PERMANENT OR TEMPORARY STABILIZATION SHALL BE COMPLETED
WITHIN SEVEN (7) CALENDAR DAYS AS TO THE SURFACE OF ALL
PERIMETER CONTROLS, DIKES, SWALES, DITCHES, PERIMETER SLOPES,
AND ALL SLOPES GREATER THAN 3 HORIZONTAL TO 1 VERTICAL (3:1)
AND FOURTEEEN DAYS (14) AS TO ALL OTHER DISTURBED OR GRADED
AREAS ON THE PROJECT SITE.
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EROSION CONTROL PLAN
CONTRACTOR'S REQUIREMENTS
EROSION AND SEDIMENT CONTROLSSTABILIZATION PRACTICES
1. FILTER FABRIC BARRIER (SEDIMENT FENCE):
FILTER FABRIC BARRIERS CAN BE USED BELOW DISTURBED AREAS
SUBJECT TO SHEET AND RILL EROSION WITH THE FOLLOWING
LIMITATIONS:
2. STOCKPILING MATERIAL:
NO EXCAVATED MATERIAL SHALL BE STOCKPILED IN SUCH A
MANNER AS TO DIRECT RUNOFF DIRECTLY OFF THE PROJECT SITE INTO
ANY ADJACENT WATER BODY OR STORM WATER COLLECTION FACILITY.
3. INLET PROTECTION:
INLETS AND CATCH BASINS WHICH DISCHARGE DIRECTLY OFF —SITE
SHALL BE PROTECTED FROM SEDIMENT —LADEN STORM RUNOFF
UNTIL THE COMPLETION OF ALL CONSTRUCTION OPERATIONS THAT
MAY CONTRIBUTE SEDIMENT TO THE INLET.
4. TEMPORARY SEEDING:
DISTURBED AREAS THAT ARE NOT ANTICIPATED TO BE BROUGHT
TO FINAL GRADE FOR A PERIOD OF MORE THAN 21 CALENDAR DAYS
MUST RECEIVE TEMPORARY SEEDING. A QUICK GROWING GRASS
SPECIES, WHICH WILL PROVIDE AN EARLY COVER DURING THE SEASON
IN WHICH IT IS PLANTED AND WILL NOT LATER COMPETE WITH THE
PERMANENT GRASSING, SHOULD BE USED.
5. TEMPORARY GRASSING:
THE SEEDED OR SEEDED AND MULCHED AREA(S) SHALL BE
ROLLED AND WATERED OR HYDROMULCHED OR OTHER SUITABLE
METHODS IF REQUIRED TO ASSURE OPTIMUM GROWING CONDITIONS FOR
THE ESTABLISHMENT OF A GOOD GRASS COVER.
6. TEMPORARY REGRASSING:
IF, AFTER 14 DAYS FROM SEEDING, THE TEMPORARY GRASSED
AREAS HAVE NOT ATTAINED A MINIMUM OF 75 PERCENT GOOD
GRASS COVER, THE AREA WILL BE REWORKED AND ADDITIONAL
SEED APPLIED SUFFICIENT TO ESTABLISH THE DESIRED
VEGETATIVE COVER.
7. MAINTENANCE:
ALL FEATURES OF THE PROJECT DESIGNED AND CONSTRUCTED TO
PREVENT EROSION AND SEDIMENT SHALL BE MAINTAINED DURING THE
LIFE OF THE CONSTRUCTION SO AS TO FUNCTION AS THEY WERE
ORIGINALLY DESIGNED AND CONSTRUCTED.
8. PERMANENT EROSION CONTROL:
THE EROSION CONTROL FACILITIES OF THE PROJECT SHOULD BE
DESIGNED TO MINIMIZE THE IMPACT ON THE OFFSITE FACILITIES.
9. PERMANENT SEEDING:
ALL AREAS WHICH HAVE BEEN DISTURBED BY CONSTRUCTION WILL,
AS A MINIMUM, BE SEEDED. PERMANENT VEGETATION MUST BE
SEEDED WITHIN 15 WORKING DAYS OR 90 CALENDAR DAYS (WHICHEVER
IS SHORTER) AFTER FINAL GRADE IS REACHED. THE SEEDING MIX MUST
PROVIDE BOTH LONG—TERM VEGETATION AND RAPID GROWTH SEASONAL
VEGETATION. SLOPES STEEPER THAN 4:1 SHALL BE SEEDED AND
MULCHED OR SODDED.
PERMANENT SEEDING SHALL CONSIST OF
PS SODDING
LAY SOD FROM — MARCH 1 TO AUGUST 31
COMMON NAME
BERMUDA GRASS
NOTES:
1. COORDINATE WITH FORT BRAGG WATER MANAGEMENT BRANCH
CONCERNING OPTIMUM SEED MIXES FOR USE AT FORT BRAGG.
2. FOR FURTHER SEEDING INFORMATION SEE SPECIFICATION
SECTION 32 92 23.
M MULCHING MATERIALS
AND APPLICATION RATES
MATERIAL RATE
ORGANIC MULCHES PER ACR QUALITY
STRAW 1-2 TONS DRY, UNCHOPPED,
UNWEATHERED;
AVOID WEEDS.
WOOD CHIPS 0.5 -1 TONS AIR DRY
WOOD FIBER 5-6 TONS
BARK 35 CUBIC AIR DRY,
YARDS SHREDDED OR
HAMMER —MILLED,
OR CHIPS.
NETS AND MATS:
JUTE NET COVER AREA HEAVY, UNIFORM;
WOVEN OF SINGLE
JUTE YARN.
FIBERGLASS NET
EXCELSIOR (WOOD
FIBER) MAT
FIBERGLASS
ROVING
BOTANICAL NAME
SETARIA ITALICA
COVER AREA
COVER AREA
0.5-1 TONS
CONTINUOUS
FIBERS OF DRAWN
GLASS BOUND
TOGETHER WITH A
NON —TOXIC AGENT.
p1m,
SHOULD COME FROM WHEAT OR OATS;
SPREAD BY HAND OR MACHINE; MUST
BE TACKED DOWN
TREAT WITH 12 LBS. NITROGEN/TON.
APPLY WITH MULCH BLOWER, CHIP
HANDLER, OR BY HAND. NOT FOR
USE IN FINE TURF.
ALSO REFERRED TO AS WOOD
CELLULOSE. MAY BE HYDROSEEDED.
DO NOT USE IN HOT, DRY WEATHER.
APPLY WITH MULCH BLOWER, CHIP
HANDLER, OR BY HAND. DO NOT USE
ASPHALT TACK.
WITHSTANDS WATERFLOW. BEST WHEN
USED WITH ORGANIC MULCH.
WITHSTANDS WATERFLOW. BEST WHEN
USED WITH ORGANIC MULCH.
WITHSTANDS WATERFLOW.
APPLY WITH A COMPRESSED AIR
EJECTOR. TACK WITH EMULSIFIED
ASPHALT AT A RATE OF 25-35
GAL./1,000 SO. FT.
TEMPORARY SEED SPECIES
MIXTURE AND RATES OF APPLICATION
MARCH 1 THROUGH AUGUST 31 — SUMMER
BRACHIARIA RAMOSUM
COMMON NAME RATE (LB/ACRE)
BROWN TOP MILLET, GERMAN MILLET, 65
OR
FOXTAIL MILLET 65
SEPTEMBER 1 THROUGH FEBRUARY 28 -WINTER
BOTANICAL
NAME
COMMON NAME
RATE (LB/ACRE)
TRITICUM
SPELTA
ROANE SOFT RED WINTER WHEAT
120
SEDIMENT AND EROSION CONTROL
SHALL BE STRICTLY ENFORCED
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IDENTIFICATION
C-503
SHEET XX of

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2'-6"
ELEVATION
CONCRETE QUANTITIES
D
REINF.
CONC.
REINF.
CONC.
REINF.
CONC.
YD3
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YD3
4"
0.082
0.083
0.083
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0.088
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8"
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1 0.092
0.094
611
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END ELEVATION
NOTES:
1. THIS DETAIL IS MEANT TO REPRESENT NCDOT DETAIL 838.10 CONCRETE ENDWALL FOR OUTFALL
2. CHAMFER ALL CORNERS 1".
3. PIPE MATERIAL SHALL BE PER PLAN.
4. AT HEADWALLS WITHIN THE 33-FT ATFP STANDOFF FROM THE BUILDING, PROVIDE BARS TO REDUCE
OPENINGS TO LESS THAN 6-INCHES IN ANY DIRECTION. USE 1/4" THICK X 1" WIDE STAINLESS STEEL
PLATE WITH 2-1/2 " LONG (MIN.) 3 / 8 " DIA. STAINLESS STEEL THREADED DROP IN BOLTS AT EACH END.
MIN.
NOTE NO.4
6-INCH DIA. PIPE WITHIN
33-FT ATFP STANDOFF
JCG IYV I G IYV.•i
8-INCH DIA. PIPE WITHIN
33-FT ATFP STANDOFF
RECESSED BRASS CLEANOUT
SOLID TAMPER PROOF PLUG
(FOR USE AS CLEANOUT)
#3 REBARS ALL AROUND\
WITH 6" OVERLAP
PAVEMENT PER PLAN
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SEE PLAN FOR PIPE
MATERIAL & SIZE (PVC
SDR35, TYP)
SEE NOTE **
DUCTILE IRON RISER PIPE
W/ EXTERIOR BITUMINOUS
COATING (INSERTABLE PIPE
WITH CLEANOUT BODY, SEE
PLAN FOR SIZE)
6"MIN. 6-MIN.
00
•t-�•' S. •M••
FINISHED GRADE PER PLAN
CONTINUATION OF PIPE
(OR PLUG)
WYE FITTING
3" MIN. CLEAN CDURSE SAND BEDDING
STORM SEWER CLEANOUT
CONCRETE ENDWALL FOR OUTFALL AND FOR DOWNSPOUTS DETAIL
INFILTRATION BASIN INLETS AND OUTLET © NO SCALE
NO SCALE
INFILTRATION BASIN li
STAGE
ELEVATION
(FT)
CONTOUR
AREA (SF)
INCREMENTAL
STORAGE (CF)
TOTAL
STORAGE (CF)
0.00
244.00
956
0
0
1.00
245.00
1,882
1,393
1,393
* * 1.48
245.4.8
2,682
1,274
2,667
2.00
246.00
3,483
1,367
4,034
2.85
246.85
3,483
2,960
6,995
BASIN NO.22 (SOUTH)
BASIN BOTTOM SURFACE AREA 957 SQUARE FEET
APPROX. 9-FT X 76-FT & 12-FT X 17-FT & 6-FT X 17-FT
T/BANK 246.85 (BASIN DEPTH = 2.85 FT)
CLEANOUT SEDIMENT AT 244.7
T/SOIL MIX 244.0 (OVER 2-FT ABOVE SHWT)
B/SOIL MIX 241.67
T/SHWT 241.83 (245.5 - 3.67 FT)
DESIGN REQUIREMENTS
(ALSO SEE SEPARATE CALCULATION PACKAGE):
IMPERVIOUS RATIO 1a=0.460
IMPERVIOUS DRAINAGE AREA = 0.52 AC
TOTAL DRAINAGE AREA = _1.13 AC
SIMPLE METHOD TREATMENT VOLUME
FOR 1-INCH RAINFALL 1903.92 CUBIC FEET
10-YEAR STORM SURFACE AREA 1088.6 SQUARE FEET
10-YEAR STORM STORAGE VOLUME 2667 CUBIC FEET
INFILTRATION BASIN NO.23
STAGE
ELEVATION
ARCONTOUR
A {SF)
STORAGE (CF)
STORAMENTAL GAL
E (CF)
0.00
246.00
144
0
0
* * 0.91
246.91
1,387
641
641
1.00
247.00
1,511
66
707
2.00
248.00
3,940
2.630
3,337
2.50
248.50
3,940
1,970
5,307
BASIN NO.23 (NORTH)
BASIN BOTTOM SURFACE AREA 144 SQUARE FEET
APPROX. 12-FT X 12-FT
T/BANK 248.5 (BASIN DEPTH = 2.5 FT)
CLEANOUT SEDIMENT AT 246.6
T/SOIL MIX 246.0 (OVER 2-FT ABOVE SHWT)
B/SOIL MIX 243.67
T/SHWT 243.83 (247.5 - 3.67 FT)
DESIGN REQUIREMENTS
(ALSO SEE SEPARATE CALCULATION PACKAGE):
IMPERVIOUS RATIO 1a=0.087
IMPERVIOUS DRAINAGE AREA = 0.04 AC
TOTAL DRAINAGE AREA = 0.46 AC
SIMPLE METHOD TREATMENT VOLUME
FOR 1-INCH RAINFALL 214.14 CUBIC FEET
10-YEAR STORM SURFACE AREA 261.6 SQUARE FEET
10-YEAR STORM STORAGE VOLUME 641 CUBIC FEET
FINISHED GRADE
(GRASS AS
SPECIFIED)-\
INFILTRATION BASIN 4-INCH
DEPTH CLEAN SAND OVER
REMOVABLE NON -WOVEN
GEOTEXTILE FABRIC
SEE NOTE
2-FT DEPTH OF "INSITU
SAND" OR ENGINEERED
SAND/SOIL MIX" (VERIFY
K-VALUE = 0.52
INCH/HOUR)
NOTES:
• PROVIDE THE BOTTOM SURFACE AREA OF SAND FOR
EACH BASIN AS LISTED ON THIS DETAIL (SEE PLAN SHEET
FOR CONTOURS).
• • DENOTES 10-YEAR STORM EVENT
1. "SHWT" DENOTES "SEASONAL HIGH WATER TABLE",
44-INCHES, OR 3.67-FEET, BELOW EXISTING GRADE PER
CONTRACTOR GEOTECHNICAL INVESTIGATION.
2. ELEVATIONS ARE SHOWN IN FEET.
3. SEE ADDITIONAL STORM DETAIL SHEETS C-512
4. INFILTRATION BASINS ARE DESIGNED PER NCDENR BMP
MANUAL 16.3.9(4), THE 10 YEAR, 24 HOUR EVENT CAN
BE INFILTRATED WITHOUT DISCHARGING THE SYSTEM USING
AN INFILTRATION RATE OF ONE-HALF OF THE INFILTRATION
RATE REPORTED IN THE SOILS REPORT. NO BYPASS, NO
VEGETATED FILTER STRIP, AND NO ADDITIONAL STORAGE
VOLUME IS REQUIRED. SEE CALCULATIONS.
PRETREATMENT
VEGETATED FILTER STRIP
(SEE PLAN)
AREA FOR 10-YEAR STORM
VOLUME INFILTRATION
AREA FOR SIMPLE METHOD
TREATMENT VOLUME INFILTRATION
INFILTRATION BASIN
TOP OF BANK Eli
INFILTRATION BASIN
"INSITU SOIL" (SEE
PLAN FOR CONTOURS)
INFILTRATION BASIN CROSS SECTION DETAIL
NOT TO SCALE
INFILTRATION BASIN NO24
STAGE
ELEVATION
(FT)
CONTOUR
AREA (SF)
INCREMENTAL
STORAGE (CF)
TOTAL
STORAGE (CF)
0.00
246.00
160
0
0
* * 0.98
246.98
1,679
727
727
1.00
247.00
1,710
71
798
2.00
248.00
2,541
2,112
2,909
2.20
248.20
2,541
508
3,417
BASIN li (WEST)
BASIN BOTTOM SURFACE AREA 160 SQUARE FEET
APPROX. 4-FT X 40-FT
T/BANK 248.1 (BASIN DEPTH = 2.1 FT)
CLEANOUT SEDIMENT AT 246.6
10-YR HWL 246.98
T/SOIL MIX 246.0 (OVER 2-FT ABOVE SHWT)
B/SOIL MIX 243.67
T/SHWT 243.83 (247.5 - 3.67 FT)
DESIGN REQUIREMENTS
(ALSO SEE SEPARATE CALCULATION PACKAGE):
IMPERVIOUS RATIO 1a=0.149
IMPERVIOUS DRAINAGE AREA = 0.07 AC
TOTAL DRAINAGE AREA = 0.47 AC
SIMPLE METHOD TREATMENT VOLUME
FOR 1-INCH RAINFALL 313.98 CUBIC FEET
10-YEAR STORM SURFACE AREA 296.7 SQUARE FEET
10-YEAR STORM STORAGE VOLUME 727 CUBIC FEET
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IDENTIFICATION
C-511
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INFILTRATION BASIN NOTES
1. PRIOR TO CONSTRUCTING INFILTRATION BASIN , REMOVE
SEDIMENT FROM SEDIMENT TRAP TO A DEPTH OF 6-INCHES
BELOW NEW FINISHED GRADE AND DISC AREA TO A DEPTH OF
12-INCHES BELOW NEW FINISHED GRADE.
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2. FOR INFILTRATION BASINS REQUIRING ENGINEERED
SAND/SOIL MIX, EXCAVATE TO THE PROPER DIMENSIONS AND
FILL IN 8-INCH LIFTS WITH SAND/SOIL MIX WHICH MEETS THE
SPECIFIED "K" VALUE INFILTRATION RATE. SOIL SHALL BE
CAPABLE OF SUPPORTING VEGETATIVE GRASS GROWTH.
3. USE CARE TO MINIMIZE COMPACTION OF INFILTRATION
BASINS DURING CONSTRUCTION. LIGHT EQUIPMENT &
CONSTRUCTION TECHNIQUES THAT MINIMIZE COMPACTION
SHALL BE USED. COMPACT INFILTRATION AREAS TO ONLY THE
MINIMUM REQUIREMENT.
4. SEE PLAN AND STORM SEWER DETAIL SHEET C-511 FOR
FURTHER INFORMATION.
5. INFILTRATION BASINS ARE DESIGNED PER NCDENR BMP
MANUAL 16.3.9(4), THE 10 YEAR, 24 HOUR EVENT CAN BE
INFILTRATED WITHOUT DISCHARGING THE SYSTEM USING AN
INFILTRATION RATE OF ONE-HALF OF THE INFILTRATION RATE
REPORTED IN THE SOILS REPORT. NO BYPASS, NO VEGETATED
FILTER STRIP, AND NO ADDITIONAL STORAGE VOLUME IS
REQUIRED. SEE CALCULATIONS.
PAVEMENT OR DOWNSPOUT SPLASHBLOCK
(TYPICALLY NOT INLINE WITH HEADWALL AS
SHOWN IN THIS SCHEMATIC)
VEGETATED FILTER STRIP
PROPOSED
PIPE
CUT INTO EXISTING
CATCH BASIN,
GROUT AND SEAL
EXISTING STORM
STRUCTURE
- _ / EXISTING PIPE
STORM STRUCTURE TIE-IN DETAIL
NO SCALE
OBSERVATION WELL
4-INCH DIA. PERF. PVC. PIPE WITH
SOLID LOCKABE CAP. PIPE
BOTTOM MIN. 2-FT BELOW
INFILTRATION BASIN BOTTOM
FINISHED GRADE. LOCATE MIN.
2-FT AWAY FROM HEADWALL
NEAR TOP OF BANK ELEVATION.,
HEADWALL
111-1 I I v WATER SURFACE AFTER
a 10-YEAR RAIN EVENT
INFILTRATION BASIN
PVC STORM DRAIN FOR d ° INFLOW (SEE PLAN) NON PROVIDE BENCHMARK AT SEDIMENT CLEANOUT
DOWNSPOUT OR CULVERT OUTLET a, EROSIVE VELOCITY FOR 10 ELEVATION (SEE STORM DETAIL SHEET C-511).
YEAR STORM <= 5 FT/SEC BENCHMARK TO BE 3 / 8 INCH DIA. STAINLESS STI
'�- (TABLE 8.05A ESCPDM) ANCHOR BOLT, MIN.1 / 2 INCH LENGTH EXPOSED
BEYOND HEADWALL
_ INFILTRATION BASIN BOTTOM INFILTRATION BASIN
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INFILTRATION BASIN CROSS SECTION WITH HEADWALL
FOR MAINTENANCE DETAIL
NO SCALE
ELEVATION (SEE PLAN)
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ELEVATION (SEE PLAN
TOP OF RIP RAP TO BE
BELOW THIS ELEVATION
ALONG THE BASE OF
SPILLWAY
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NCDOT CLASS B (D50 = 8-INCH)
RIP RAP ON GEOTEXTILE FABRIC
INFILTRATION BASIN NO.22 (SOUTH) OVERFLOW
WEIR DETAIL
(NO SCALE)
4-INCH DIA. PVC
BALL VALVE; OPEN
ONLY TO DRAIN
DURING
MAINTENANCE
PRETREATMENT
VEGETATED FILTER STRIP
TOP OF BANK
PVC STORM DRAIN
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SHEET
IDENTIFICATION
C-512
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GAS MAIN
POLYETHYLENE
INSTALL TRACER
WIRE & MARKING
TAPE PER
SPECIFICATIONS
MIN 4" SEEDING
SELECTED AND
TOPSOIL MULCHING
COMPACTED
EARTH BACKFILL
SEE NOTE ***
SEE NOTE ** WHEN
IN PAVEMENT AREA
TRENCH WIDTH
OD PIPE
IMILV�l
EXISTING EARTH
GRASS SURFACE
i
GAS OR STORM LINE
TRENCH UNDER GRASS AREA
DETAIL
NOT TO SCALE
NOTE*
TYPICAL BEDDING
M43 SIZE 67, 7, OR
LAYERS. FOR RCF
SIEVE
3/4 INCH
NO.4 (3116 INCH)
NO.40
NO.200
FINAL GRADE
12"
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PROP PAVEMENT
COMPACTED
GRANULAR
BACKFILL
MATERIAL **
TRENCH WIDTH
OD PIPE
................ ....
GAS MAIN D. PIPE
POLYETHYLENE
INSTALL TRACER
WIRE & MARKING ... ....
TAPE PER . • • •
SPECIFICATIONS ...
...... ......
Na
6" MIN.
TOTAL PERCENT PASSING
100
25-100
10-50
5-30
THE FRACTION PASSING A NO.40 SIEVE SHALL HAVE
A LIQUID LIMIT NOT GREATER THAN 30 AND A
PLASTICITY INDEX NOT GREATER THAN 6. SOILS
CLASSIFIED AS CH OR MH SHALL NOT BE USED.
NOTE **
COMPACTED BACKFILL MATERIAL SHALL BE USED FOR
ALL TRENCHES WITHIN DRIVEWAYS AND OTHER PAVED
AREAS. BACKFILL SHALL BE WELL GRADED GRAVEL,
CRUSHED STONE, OR SUITABLE FILL CONSISTING OF
INSITU SAND MATERIAL MEETING THE FOLLOWING
GRADATION REQUIREMENTS:
SIEVE
2-1/2 INCH
1 INCH
NO.4 (3/16 INCH)
NO.40
NO.200
TOTAL PERCENT PASSING
100
70-100
25-100
10-50
5-30
THE FRACTION PASSING A NO.40 SIEVE SHALL HAVE
A LIQUID LIMIT NOT GREATER THAN 30 AND A
PLASTICITYINDEX NOT GREATER THAN 6. SOILS
CLASSIFIEDAS CH OR MH SHALL NOT BE USED.
NOTE ***
COMPACTED EARTH BACKFILL
IN 8" LAYERS
NOTE ****
SEE EARTHWORK SPECIFICATION 3100
00 AND UTILITY SPECIFICATIONS FOR
FURTHER DETAILS
12"
MAX
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SHEET
IDENTIFICATION
C-513
sHEET 17 of 25