SW7070121_APPROVED PLANS_20070503

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW �/(' 701a
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYMMDD

CT C FACILITIES
DEPARTMENT OF DEF-EN-.SE
HARVEY POINT DEFENSE TESTING ACTIVITY
SITE
LOCATION MAP
SCALE 1"-13•/- MILES
GRAPHIC SCALE: 1"-13 MI
0 13 26
HERTFORD, NORTH CAROLINA
ZZ44:7m"XIA
Hankins and Anderson
Consulfing Engineers
4880 Sadler Road Glen ALIcn, Virginia 23060
[phone] [phone] Fax
www.haengineers.com
VICINITY MAP
SCALE 1"-2000'
GRAPHIC SCALE: 1"-2000'
0 2000 4000
INDEX OF DRAWINGS
SHEET
Ti
Ki
C 100
C1011
03
C104
C200
C300
C301
C302
C30'3
C400
C401
C402
C500
C501
C502"
YC600
C601
C602
C700
C701
C702
C704
E101
E163
£104
E10$
NO DESCRIPTION
TITLE '�yEET
KEY MaP AND GENERAL NOTES
EX!S',AG CONDITIONS
EXIST;%6 CONDITIONS AND DEMOLITION
EXISTING CONDITIONS AND DEMOLITION
EXISTING CONDITIONS AND DEMOLITION
DEMOLITION
DIMENSIONAL LAYOUT PLAN
UTb,Y PLAN
UTILITY PLAN
UTILITY PLAN
TI ITY P
U L LAN
GRADING AND DRAINAGE PLAN 5 n U ��
SPOT ELEVATIONS I
DRAINAGE AREAS
SECTIONS
SANITARY SEWER PROFILES
SANITARY SEWER AND ROAD PROFILES
SITE AND WATER DETAILS
STORM AND SANITARY SEWER DETAILS
SANITARY SEWER PUMP STATION DETAILS
EROSION AND SEDIMENT CONTROL PLAN -PHASE I
EROSION AND SEDIMENT CONTROL PLAN -PHASE II
EROSION AND SEDIMENT CONTROL NOTES
AILS
STORM WATER MANAGEMENT DETAILS
SITE PLAN - ELECTRICAL
DETAILS
DETAILS
PANELBOARD SCHEDULES
gx . v
L'3Y i6' i'.1
APPROVED
s Iva;N Cie SVAr R Ot1AUTY
4i
l���uirna�-rs Ca ,
Hankins and Anderson
Consulting Engineers
1 Sadler Road Glen Allen, Virginia 23
[phone] [phone] Fax
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DATE
December 29, 2006
H&A PROJECT NO.
CLIENT PROJECT NO.
SCALE
DRAWN BY
CHECKED BY
APPROVED BY
SHEET NUMBER
5219.00

GENERAL NOTES
1- TOPOGRAPHIC INFORMATION SHOWN ON THESE DRAWINGS WAS
FURNISHED BY MARSH AND LEGGE LAND SURVEYORS, P.L.C., WINCHESTER,
VA- WITH INITIAL TOPO COMPLETED IN JANUARY, 2002 AND UPDATES IN
JANUARY 2005.
2- THE CONTRACTOR SHALL VISIT THE SITE AND SHALL VERIFY EXISTING
CONDITIONS PRIOR TO STARTING CONSTRUCTION.
3. THE EXISTING UNDERGROUND UTILITIES SHOWN HEREON ARE BASED UPON
A FIELD SURVEY AND RECORD DRAWINGS- THE CONTRACTOR SHALL BE
RESPONSIBLE FOR DETERMINING THE EXACT LOCATION OF ALL UTILITIES BEFORE
COMMENCING WORK AND FOR ANY DAMAGES WHICH OCCUR BY HIS FAILURE TO
LOCATE OR PRESERVE THESE UNDERGROUND UTILITIES. IF DURING CONSTRUCTION
OPERATIONS THE CONTRACTOR SHOULD ENCOUNTER UTILITIES OTHER THAN THOSE
SHOWN ON THE PLANS, HE SHALL IMMEDIATELY NOTIFY THE CONTRACTING OFFICER
AND TAKE NECESSARY AND PROPER STEPS TO PROTECT THE UTILITIES AND ASSURE
THE CONTINUANCE OF SERVICE.
4. THE HORIZONTAL AND VERTICAL LOCATION OF EXISTING UNDERGROUND UTILITIES
SHOWN ON THESE DRAWINGS IS APPROXIMATE ONLY, AND REQUIRES CONFIRMATION
BY THE CONTRACTOR- WHERE A NEW UTILITY LINE CROSSES AN EXISTING UTILITY,
THE CONTRACTOR SHALL DETERMINE BY EXCAVATION OR TEST PITS, THE EXACT
LOCATION AND ELEVATION OF THE EXISTING UTILITY.
5. THE CONTRACTOR SHALL DIG TEST PITS AS REQUIRED FOLLOWING NOTIFICATION
AND MARKING OF ALL EXISTING UTILITIES TO VERIFY THE LOCATION AND DEPTH OF
EXISTING UTILITIES- TEST HOLES TO BE PERFORMED AT LEAST 10 DAYS PRIOR TO
START OF UTILITY CONSTRUCTION. ANY DISCREPANCIES ARE TO BE REPORTED
IMMEDIATELY TO THE ENGINEER- REDESIGN AND APPROVAL SHALL BE OBTAINED
IF REQUIRED-
6. MAXIMUM PROTECTION SHALL BE PROVIDED FOR EXISTING UTILITIES WHICH ARE TO
REMAIN IN SERVICE. ALL PROPOSED STRUCTURE TOP ELEVATIONS, INCLUDING VALVE
BOX COVERS, ARE TO BE VERIFIED BY THE CONTRACTOR WITH THE SITE PLANS,
PROFILES AND CROSS SECTIONS. ADJUSTMENTS TO MEET FINISHED GRADE
ELEVATIONS MAY BE REQUIRED- ALL TOPS IN PAVEMENT SHALL BE SET FLUSH WITH
AND SHALL SLOPE WITH FINISH GRADE.
7- ALL STREET CUTS AND PATCH WORK REQUIRED FOR UTILITIES INSTALLATION SHALL
BE PERFORMED IN STRICT ACCORDANCE WITH NCDOT STANDARDS AND SPECIFICATIONS.
8_ EXISTING CONCRETE CONSTRUCTION SHALL BE REMOVED TO THE NEAREST JOINT.
NEW CONSTRUCTION SHALL BE PROVIDED AS SHOWN AND ANY DAMAGED AREA SHALL
BE REPAIRED TO MATCH CONDITIONS PRIOR TO CONSTRUCTION-
9. DAMAGE TO ANY EXISTING PAVEMENT, OR OTHER EXISTING STRUCTURES NOT PROPOSED
TO BE DISTURBED WITH THIS DEVELOPMENT, WILL BE THE RESPONSIBILITY OF THE
CONTRACTOR AND MUST BE REPAIRED TO THE SATISFACTION OF THE OWNER-
10- THE CONTRACTOR SHALL BE RESPONSIBLE FOR MAKING A SMOOTH TRANSITION TO
EXISTING PAVEMENT.
11. THE CONTRACTOR SHALL PROVIDE GRADING THAT WILL ASSURE POSITIVE DRAINAGE
AND PRECLUDE PONDING OF WATER_ IF NEW GRADES CREATE DRAINAGE PROBLEMS
THAT CAN BE RESOLVED BY CUTTING OR FILLING BEYOND THE LIMITS INDICATED, THE
CONTRACTOR SHALL PROVIDE THIS GRADING, AFTER OBTAINING APPROVAL FROM THE
CONTRACTING OFFICER-
12- PRIOR TO BEGINNING CONSTRUCTION, THE CONTRACTOR SHALL VERIFY FROM
THE DRAWINGS, ALL DIMENSIONS, DETAILS AND TREATMENTS FOR THE PROPOSED
WORK INDICATED ON THE DRAWINGS- CONFLICTS THAT WILL IMPACT CONSTRUCTION
IN ANY WAY, SHALL BE BROUGHT TO THE ATTENTION OF THE CONTRACTING OFFICER.
13- REMOVE EXISTING SIGNS THAT INTERFERE WITH NEW CONSTRUCTION. REPLACE SIGNS
THAT ARE STILL PERTINENT TO THE SITE- SIGNS THAT ARE NOT TO BE REPLACED SHALL
BE RETURNED TO THE OWNER-
14. ALL WATER PIPE, FITTINGS, ACCESSORIES AND THE INSTALLATION THEREOF SHALL
COMPLY WITH THE LATEST STANDARDS AND SPECIFICATIONS OF THE AMERICAN WATER
WORKS ASSOCIATION, (AWWA), AND THE NORTH CAROLINA/STATE BOARD OF HEALTH,
WATERWORKS REGULATIONS- ALL FIRE SERVICE LINES AND THEIR APPURTENANCES,
INCLUDING INSTALLATION SHALL COMPLY WITH THE REQUIREMENTS OF THE LATEST
EDITION OF THE CODES AND STANDARDS OF THE NATIONAL FIRE PROTECTION
ASSOCIATION, (NFPA),
15- PROVIDE ALL WATER MAINS WITH A MINIMUM OF 36 INCHES OF COVER TO FINISH GRADE.
16- WATER AND SEWER SEPARATION
A_ WATER LINES CROSSING SEWERS SHALL BE LAID TO PROVIDE A SEPARATION OF
AT LEAST 18 INCHES BETWEEN THE BOTTOM OF THE WATER LINE AND THE TOP
OF THE SEWER- THE LENGTH OF THE SEWER PIPE TO BE CENTERED ON THE POINT
OF THE CROSSING SO THAT JOINTS SHALL BE EQUIDISTANT AND AS FAR AS POSSIBLE
FROM THE WATER LINE JOINT-
B- WHEN CONDITIONS PREVENT A VERTICAL SEPARATION OF 18 INCHES, THE FOLLOWING
CONSTRUCTION SHALL BE USED:
1- SEWERS PASSING OVER OR UNDER WATER LINE SHALL BE CONSTRUCTED OF AWWA
APPROVED WATER PIPE, PRESSURE TESTED IN PLACE WITHOUT LEAKAGE PRIOR TO
BACKFILLING.
2. WATER LINES PASSING UNDER SEWERS SHALL, IN ADDITION, BE PROTECTED BY PROVII
a- A VERTICAL SEPARATION OF AT LEAST 18 INCHES BETWEEN THE BOTTOM OF
SEWER AND THE TOP OF THE WATER LINE.
b- ADEQUATE STRUCTURAL SUPPORT FOR THE SEWERS TO PREVENT EXCESSIVE
DEFLECTION OF THE JOINTS AND THE SETTLING ON AND BREAKING OF THE W/
c. THAT THE LENGTH OF THE WATER LINE BE CENTERED AT THE POINT OF THE
SO THAT JOINTS SHALL BE EQUIDISTANT AND AS FAR AS POSSIBLE FROM THE
17- ALL PAVEMENT SECTIONS ON THE APPROVED PLANS ARE BASED ON A MINIMUM CBR VALUE OF 5
OWNER'S DISCRETION, CBR TESTS MAY BE PERFORMED BY THE OWNER'S TESTING AGENCY AND
SUBMITTED TO THE ENGINEER FOR REVIEW PRIOR TO PLACEMENT OF BASE MATERIAL. CBR VALU
LESS THAN 5 MAY REQUIRE REVISED PAVEMENT SECTIONS-
18- CONSTRUCTION DEBRIS SHALL BE CONTAINERIZED IN ACCORDANCE WITH THE NORTH CAROLINA LI
CONTROL ACT; NO LESS THAN ONE LITTER RECEPTACLE SHALL BE PROVIDED AT THE CONSTRUCI
SITE-
19_ WETLANDS CRITERIA
A. THE WETLAND LIMITS HAS BEEN ESTABLISHED AS THE OUTSIDE EDGE OF THE EXISTING I
ALONG THE;SOUTH,WEST AND NORTHERN SIDES OF THE SITE, ALONG THE EASTERN ED(
WETLAND LINE FOLLOWS THE DITCH BACK TO THE CULVERT AT THE SITE ENTRANCE.
B. CONTRACTOR SHALL FLAG THE WETLANDS LIMITS PRIOR TO BEGINNING WORK AND SHALL
INTO THE WETLANDS DURING SITE WORK OPERATIONS-
C- THE DEBRIS PILES SHALL BE REMOVED WITHOUT DISTURBING THE WETLANDS-
20- THE OFFSITE SANITARY FORCE MAIN WILL TRAVERSE PART OF THE FUTURE ADMINISTRATION BUILDING
WORK, AND ALSO CONNECT TO THE ADMINISTRATION BUILDING SANITARY SEWER. THE CTEC CONTRACTOR
MUST COORDINATE THE TIMING OF HIS WORK WITH THE ADMINISTRATION CONTRACTOR TO ASSURE THE
TIMELY COMPLETION OF BOTH CONTRACTS.
21- TWO OF THE THREE FUTURE BUILDINGS (SHOP AND WAREHOUSE) WILL BE CONSTRUCTED UNDER THE
SUPERVISION OF HPDTA DURING THE WORK OF THIS PROJECT. CONTRACTOR SHALL PREPARE THE BUILDING
PADS FOR THESE TWO BUILDINGS EARLY IN THE SITE PREP WORK SO THAT THE BUILDING CONSTRUCTION MAY
BEGIN AS SOON AS POSSIBLE-
22. EXISTING DRAINFIELD NUMBERS 1 AND 2 SHALL BE REMOVED COMPLETELY AND BACKFILLED
WITH SUITABLE MATERIAL- DRAINFIELD NUMBERS 3 AND 4 MAY PARTIALLY REMAIN IN PLACE.
REMOVE AS NECESSARY TO CONSTRUCT THE PROJECT AS SHOWN. PORTIONS OF THE
DRAINFIELD TO REMAIN MUST BE APPROVED BY THE CONTRACTING OFFICER.
23. UNDER FAVORABLE CLIMATIC CONDITIONS AND WITH APPROVAL FROM THE CONTRACTING
OFFICER, THE DEBRIS FROM THE LOG AND STUMP BERM MAY BE BURNED ON SITE- THE
CONTRACTOR IS RESPONSIBLE FOR PROTECTING EXISTING STRUCTURES AND KEEPING
ALL WORK OUT OF THE WETLANDS.
GRAPHIC SCALE: 1"-150'
0 150
Hankins and Anderson
Consulting Engineers
10 Sadler Road Glen Allen, Virginia 231
[phone] [phone] Fax
w .haengineers.com
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DATE
December 29, 2006
H&A PROJECT NO.
5219.00
CLIENT PROJECT NO.
SCALE
DRAWN BY
BY
RM
CHECKED BY
NB
APPROVED BY
BAL
SHEET NUMBER
300
K-1
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I � dl I I II III
NOTES
1
_ INFORMATION SHOWN0N oN ACTUAL FIELD
SURVEY ----- THE COMPLETION , ,
�-
Z `oti\' OF THE SURVEY, THE OWNER HAS REMOVED CERTAIN ITEMS THAT ARE SHOWN
`ya �' ( o` ON THIS PLAN. THE DEMOLITION DRAWING IREPRESENTS THE SITE "AFTER"
OWNER DEMOLITION_ THIS DRAWING (C10O) MAY BE HELPFUL IN IDENTIFYING ANY
ITEMS OR UTILITIES THAT MAY STILL REMAIN_
2_ THE UNDERGROUND UTILITIES SHOWN HAVE BEEN LOCATED FROM FIELD SURVEY
INFORMATION AND EXISTING DRAWINGS_ THE SURVEYOR MAKES NO GUARANTEES
\ I III I Ji 1
THAT THE UNDERGROUND UTILITIES SHOWN COMPRISE ALL SUCH UTILITIES IN THE
5\ _ IIIII �'A \ AREA, EITHER IN SERVICE OR ABANDONED. THE SURVEYOR FURTHER DOES NOT
WARRANT THAT THE UNDERGROUND UTILITIES SHOWN ARE IN THE EXACT LOCATION
`p. 5 INDICATED ALTHOUGH HE DOES CERTIFY THAT THEY ARE LOCATED AS ACCURATELY
p AS POSSIBLE FROM INFORMATION AVAILABLE_
"p \ 3. HORIZONTAL ORIENTATION IS BASED ON STATE GRID NC NAD 83 (93). VERTICAL
WETLANDS - �,l
;I1 DATUM IS BASED ON NGVD 29 ELEVATIONS ESTABLISHED BY GPS METHODS.
WETLANDS s ,I
N 869,215.94 N 869,180.48 WETLANDS -, ,
E 869,215.94 E 2,785,032.58 N 869,074.85 - 5\ \ E 2,785,280.75 "_--- - \�
I III m
EDGE _WETLANDS �"" ,� - _�-- 11 � III
— WETLANDS
N 869,054.75
E 8 49
S,
. O
-iQ_— �---- -{ ax------------- '�------`____-
--,� -t -
-
x---- -a - x x x % x x x x- x-__ z x x x x x x xrk�- x x.--x x
x ' CHAIN LINK FENxCE ---y\ 7
-
oMP ¢ p�P 0 - titi\ ,ya\ ASPHA(7-
t\ I I I I I x po o m �
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pSFXISTING
BUILDING 7-9
v A' TOP 7.87 TOP-T98
INV_=737 fFE-:{0.46) INVr,1=6 n'�ep0e^�
�9 qo 4" PVC HILAN E q i
\' A � ti-PtbNTER \,}\ 1p\ INV 14=7.3y,
,0\
LEGEND (EXIST)
_ _ _TREE LINE
X XX -
CHAIN LINK FENCE
W
___WATERLINE
------ ----
___CONTOUR
OVERHEAD UTILLITIES
T
__-FIBER OPTICS
7.15)----__
__SPOT ELEVATION
BO---------------
LOW OFF (FLUSHING HYDRANT)
CIP______________
CAST IRON PIPE
CMP_-------------
CORRUGATED METAL PIPE
CO --------------
SANITARY CLEANOUT
CONIC -------------
CONCRETE
E----------------
COORDINATE
ELEC_-------------
ELECTRICAL
ELEV--------------
LEVATION
FEE-E-_ ___
__-FINISH FLOOR ELEVATION
FH -- _ _
- _ -FIRE HYDRANT
GA -- __
___GUY ANCHOR
INV--------------
JNVERT
IRT --
__JRON ROD TRAVERSE
MP- ---------------
METAL POST
N
---NORTHING COORDINATE
0/H--------------
OVERHEAD
PVC -
--POLYVINYLCHLORIDE
RCP _ __
--REINFORCED CONCRETE PIPE
TRB-------------
-TELEPHONE RELAY BOX
W
WATER MAIN
p° �q5 pdNV. (7.14 ---- —------
-
M \ o \ p\ WLP WOOD LIGHT POLE
WP-- -- - WOOD POST
MP° Mp SE P IC v tipv 4 o}v qv �z oti v xl WPP-- --- --WOOD POWER POLE
p� A. o yeti qv{m�� tnai5}v Q }}v� h WV WATER VALVE
0 - - I
� \ \I 'I
h\ : 1 fi HEAT F 2 t�0-- -C-G—N�C_ q }-- Z t�0� ,A a a}\ 1 1 _ _ _ _ _ _ _ -
`� ' MPO P!Jbi ' `-' VxO - G4 1 �V0`' vl �0 . I I r -_--________
O LL ,�5\I o w O a 1 I I .\
I 'i II p X J w \� {e:���,�+tt\0,oti}, 1 I I 1 0
Ll1 o { �\ }} i.t! pl '
4o W _ ___ \� __ ___ __-_ _-- - - - - -
.
_ 0,\'` 'y\i g1 \0� ��\ \0� l`� C9 _ _ _ - _ - - - '1\
II J T„P 8-Oo \ a 0 a V.I \� - .\p
of ' IS. i'T t \� \' 1 \N\'1 O .\�\ q\_ «\�\ o\____
�`'\ I S MPo oMP MP , I iNliN-r.5 } ,, 43 ,�\ ,,,%\ l - 1 , .\ n\ - - -- ---- ----
WETLANDS \: n 3S� - 0 a b. e �� ",ti\ 8 P of `e. �\ o\
., �IPnVDUT='4 UJN WALK /( ` '\2 G \ ' �- x\0Qx \T\ - -- - - _ - --
N 869.032J4-- - e \ I e >Q- of-- 7 _ -.\ 1--- ---- ° SP
I� p°, 901 s\4'PVC }\ 0 ry, p\ d ., q\ 9. x q\•� 1 _ k`____ w _--- - - - - --
E 2,784,881.43 M \a 1 : e \ a e, 0 O \�} '\ a}\ \6 I' i -- - -- -- - ----- -----------------------
�•\ h\ }a\ I }o , .m`l ANTENNA x 0 \ 0?\' y 19 1�' IC d `_ _ - - 61 _ _ - 7 \�5\ }y\ _ _ _
`\ ` 0 \ ` N. Y 9\ of « ,\ S\ — o.
« \ no\ EDGE OF PAVE
GRASS , 6 k`�� .\� , \' 9?,'Li . �\ �"� \ .�' ay`
1 \1 5\ p ) EXISTING ` a �vl N _ :AX)------------- }ql \
APPROX. LOCATION 1 .\ oM I •L .\' _ - -, _ _ - - - - 0
p rr I DRAINFIELD N0, 2 0l }}\ x P 1 BUILDING' 11 i a d5\ py\ «V-
z F F.E. (1a9?; IRT - #s wp a Byp, a\ ER ROAD \a6
Q ✓ I '1 \�' a 868859.88 p IV 5\ EDGE OF PAVE
J M \ , PLANTER e PLAN?ER V1 '�\ WETLANDS Op ^e ASPHALT SURFACE) ti
a\ a P= 0 bl \.
2785185.34 wl N 8688,854.3.5 \
~1 --'--------------- \� a °- \ .00�\ E 5 269 dy\ - - - --w --- w—
0yp\ \0° LE - -,p\ .\0. , - d,\ - - w- - W \
PLANTER ,p } \' TOP a.os� n V.-8.35 \ \' 2 7 27 -
I 0 74 _ �5\ ^�\
1 W .'� « 'I , yry\ \ 0 0pl �' 4"PVC 0\ 0 g�\ - -Iff 51 0\ — - - - -
O \p \p O�hti TOP=8.31 q py 0ygl ;a: 60\ \ - ---w-Wa-yq\- 7 - -_------_\.___ \oAl
.0 INV.IN-7.66 �\ N w-�— \p - ---- --- ----- -----------
x w�X �l «\A --- - --- --
wl,. I II ', HEAT PUMP 3 INV.OUT=7.61, ey \0�}\ aq ;0\ hry��w w �`g\ 1.\p9\- - ^mil `n\ -.5-
' U (9 pA 9A Ab 43 A0 A�' 6g
1pl ) I,pg\ I it I 1 0a ZZ -) 0� d0\ 0d}\ 4"PVC - i i JZ6. � �\bY ___ ______(�1l
APPROX. LOCATION N ba\ \0' ^ TOP=8.3
1 I DRAINFIELD N0.,3 � 0 o $,p\ `0. Q INV.
II ' CONC. S OOP ,
1 tlJ m a ASPHALT PARKING LOT
P=8.33
INV.=8.26 0;x 03,1 \�A' WPP
,A-
+x. II Ir TRB
0 ELEG`RIC
Ili 4 1°\ }ti\ 0\ pl PLANTER ' ) }\ \0. I , I
�' � 0 F.F.E. (a.63 TOP=8.41 \0. GENERATOR
`e\ ,\' \ F.F.E. (8.66) INV.=8.34 ' "W/'E.R AME
1 " - _ - �' A0p x SHECfEf? 'I 'i 'I li i x
EXISTING w v s
c R p\ \ I \�. BUILDING \«
- - 7-12
HAT x F.F.E. (8.74)
ql x q\
O MN
e\ x' \0 PHMP x HEATIQ,NE ,
?\ WETLANDS a `9\ W - W wx \a>q PUMP CONC.
N 865,874.53 'I s?ooP e
I
E 2,784,798.85 - e ��
' I I APPROX. LOCATION GRASS
DRAINFIELD NO. 4 ��\ 1\ r 11 ' ' U. (60
`N P-y
-,_1--- - ` \4,IG\P^\ i �\0`\ \OeSy «\q'xyy` \09�\
CHAIN LINK FENCE 6gi i
x----vim=x_ _ _____ x_ _— x x x x x , a x x T x x x wPPI x I \ p1J h` I r
`. \.y. _____________________ \
r \_ �------ =��-------------- 0�-------------------- \N�Tho-�\�`b�='' BENCHMARK N gN� WQ I
_ 5 NAIL IN WPP w
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-41
d\ p\ x I
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EDGE OF WETLANDS
1 ' U o I I I
WETL D$ WETLANDS WETLANDS N 868, 64.04 a
N 868,783.27
E 2,784,780.25 N 868,735.21 E 2,78 ,114.16
I E 2,784,898.74
I
e\ ' 1'1 0\ `9l
W\ MATCH LINE SHEET C101
g1310«\0I 1
NOTES
REFER TO SHEET C104 FOR DEMOLITION IN THIS AREA
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GRAPHIC SCALE: 1"-30'
0 30
Hankins and Anderson
Consulting Engineers
10 Sadler Road Glen Allen, Virginia 23M
[phone] [phone] Fax
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DATE
December 29, 2006
H&A PROJECT NO -
CLIENT PROJECT NO.
SCALE
DRAWN BY
CHECKED BY
APPROVED BY
9 SHEET NUMBER
60
5219.001
r-30' I
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01
BALI

1
I
IBLDG
CORNER
BLDG CORNER 1
N 869,054-52
N 869,031-16
1
E 2,785,228-59
E 2,785,289-25
I
65'
100'
I
1
FUTURE
BUILDING
v [—LIMITS
FUTURE SHOP
(NIC)
OF
CONSTRUCTION
I
(NIC)
o
FF-8.75
1
FF-8.20
`O
STA 12.65.58 ROAD A-
'
16.5'
1
STA 12.62-78 ROAD B
I
BLDG CORNER
BLDG CORNER
N 869,008.80
6)
LIMITS OF
N 869,099-70
E 2,784,936.017
FUTURE
CONCRETE
N 869,063-75
E 2,785,029-38
E 2,785,069.09
FUTURE CONCRETE
SIDEWALK
1 N -71
2,785, 64.
E 2,785,264.80
CONSTRUCTION 1
--------------- - - -T --
_ -- ------ - - ---
------------------r--------'--'--_�
- - - -- I
:N:8Fx9d999.....
-:-
4.36.03 ROAD A
070.08
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4 10 03 78 9 -
E 2 - - - - - •:-.61:37........
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H&A PROJECT N0.5219.00
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1. IF THE CONTRACTOR USES ANOTHER SITE FOR BORROW OR WASTE
ACTIVITY, HE SHALL BE RESPONSIBLE FOR OBTAINING AN EROSION
AND SEDIMENT CONTROL PERMIT FOR SUCH LAND DISTURBING ACTIVITY,
THE PERMIT WILL NOT BE REQUIRED IF THAT SITE IS REGULATED UNDER
THE MINING ACT OF 1971, OR IS A LANDFILL REGULATED BY THE DIVISION
OF SOLID WASTE MANAGEMENT-
2- THE ANGLE FOR GRADED SLOPES AND FILLS SHALL BE NO GREATER THAN
THE ANGLE THAT CAN BE RETAINED BY VEGETATIVE COVER OR OTHER
ADEQUATE EROSION CONTROL DEVICES OR STRUCTURES- IN ANY EVENT
SLOPES LEFT EXPOSED SHALL WITHIN 21CALENDAR DAYS OF COMPLETION
OF ANY PHASE OF GRADING, BE PLANTED OR OTHERWISE PROVIDED WITH
TEMPORARY OR PERMANENT GROUND COVER DEVICES, OR STRUCTURES
SUFFICIENT TO RESTRAIN EROSION_
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H&A PROJECT NO.
CLIENT PROJECT NO
SCALE
DRAWN BY
CHECKED BY
APPROVED BY
09 SHEET NUMBER
60
BAL
C700
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EROSION CONTROL
ABBREVIATIONS Hankins and Anderson
ION AND SEDIMENT CONTROL REFERENCED TO THE "EROSION Consulting Engineers
, ,III n PLANNING AND DESIGN MANUAL", LATEST EDITION
' ' I ' ` CP 4880 Sadler Road Glen Allen, Virginia 2306(
' TO TOPSOILING
[phone] [phone] Fax
REF- 6-04 w haengineers.com
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December 29, 2006
H&A PROJECT NO.
CLIENT PROJECT NO.
SCALE
DRAWN BY
CHECKED BY
APPROVED BY
SHEET NUMBER
5219.00
TITII - -
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PROJECT DESCRIPTION
EROSION AND SEDIMENT CONTROL NOTES
THE OWNER PROPOSES TO MODIFY AN EXISTING SITE TO SERVE OTHER PURPOSES. FOUR
SMALL BUILDINGS USED TO HOUSE TRAINEES HAVE BEEN REMOVED AND THE OTHER TWO
REMAINING BUILDINGS WILL BE RENOVATED FOR THE NEW USER. A NEW SHOP AND
WAREHOUSE AND A HOTEL TYPE STRUCTURE WILL REPLACE THE FORMER BUILDINGS. THE
SURROUNDING ADJACENT AREA HAS BEEN DECLARED WETLANDS AND WILL NOT BE
DISTURBED WITH THIS PROJECT_ THE SITE AREA IS APPROXIMATELY 4.4 ACRES, WITH
APPROXIMATELY 3.3 ACRES BEING DISTURBED WITH NEW CONSTRUCTION. APPROXIMATELY
2150 FEET OF SANITARY SEWER WILL BE INSTALLED OFF -SITE.
CRITICAL AREAS
THE SITE IS VERY FLAT WITH MINIMAL CHANCE OF SEDIMENT LEAVING THE SITE,
DRAINAGE SWALES HAVE BEEN PREVIOUSLY CUT ALONG THE PERIMETER OF THE SITE TO
PROVIDE DRAINAGE. THESE SWALES WILL BE MODIFIED AND MOVED TO THE PERIMETER,
ADJACENT TO THE WETLANDS. SILT TRAPS WILL BE USED PRIOR TO NEW DITCHES ENTERING
THE EXISTING SWALES.
EROSION AND SEDIMENT CONTROL MEASURES
UNLESS OTHERWISE INDICATED ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT
CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO THE STANDARDS
AND SPECIFICATIONS OF THE CURRENT EDITION OF THE NORTH CAROLINA EROSION AND
SEDIMENT CONTROL PLANNING AND DESIGN MANUAL.
STRUCTURAL PRACTICES
1_ TEMPORARY GRAVEL CONSTRUCTION
ENTRANCES / EXITS REF 6.06
2. GRASS LINED CHANNELS REF 6.30
3. OUTLET PROTECTION REF.6.41
4. TEMP. SEDIMENT TRAP REF_ 6.60
5. SEDIMENT (SILT) FENCE REF 6.62
SOILS
VEGETATION PRACTICES
1_ TOPSOILING REF 6.04
2. TEMPORARY SEEDING REF 6.10
3. PERMANENT SEEDING REF 6,11
4_ MULCHING REF 6.14
TOPSOIL WAS ENCOUNTERED AT EACH BORING LOCATION AT A DEPTH OF APPROXIMATELY
6 TO 10 INCHES. THE SUBSURFACE SOILS RECOVERED FROM BENEATH THE SURIFICIAL
ORGANIC SOILS WERE NOTED TO BE UNIFORM AND CONSISTANT AT THE 6 BORING LOCATIONS
AND WERE ARRANGED IN A TWO LAYER CONFIGURATION.
THE INITIAL SOIL LAYER EXTENDED FROM BENEATH THE TOPSOIL TO DEPTHS RANGING FROM
2 TO 18 FEET BELOW EXISTING GRADES. THE SOILS OF THIS LAYER WERE PRIMARILY COHESIVE
IN NATURE AND WERE COMPRISED OF CLAY (CH, CL) WITH VARYING AMOUNTS OF SAND AND
SANDY SILT (ML)-
THE SECOND AND FINAL SOIL LAYER EXTENDED FROM BENEATH THE INITIAL SOIL LAYER TO
THE BORING TERMINATION DEPTHS (MINIMUM 30 FEET). THE SOILS OF THIS NATURE
WERE GENERALLY GRANULAR IN NATURE AND NOTED TO CONSIST OF SAND WITH VARYING
AMOUNTS OF SILT, CLAY AND MARINE SHELL FRAGMENTS (SP, SP-SM, SM, SC).
TEMPORARY SEEDING
TOPSOIL STOCKPILES AND ALL AREAS TO BE ROUGH -GRADED DURING THE INITIAL
PHASE OF CONSTRUCTION SHALL BE SEEDED WITH FAST GERMINATING, TEMPORARY
VEGETATION IMMEDIATELY FOLLOWING GRADING. SELECTION OF THE APPROPRIATE
SEED MIXTURE WILL DEPEND UPON THE TIME OF YEAR IT IS TO BE APPLIED.
SEASONAL SEED MIXTURE INFORMATION IS AVAILABLE ELSEWHERE ON THIS DRAWING.
PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED
AREAS WITHIN FIFTEEN WORKING DAYS OR THIRTY CALENDAR DAYS FOLLOWING
COMPLETION OF ANY PHASE OF GRADING ON ANY PORTION OF THE SITE. PERMANENT
SEEDING SHALL BE APPLIED WITHIN FIFTEEN WORKING DAYS OR NINETY CALENDAR
DAYS (WHICHEVER IS SHORTER) FOLLOWING COMPLETION OF CONSTRUCTION OR
DEVELOPMENT.
MANAGEMENT STRATEGIES
1. SEDIMENT TRAPPING MEASURES SHALL BE INSTALLED AS A FIRST STEP IN CLEARING AND
GRADING OPERATIONS_
2. CONSTRUCTION SHOULD BE SEQUENCED SO THAT GRADING OPERATIONS CAN BEGIN AND
END AS QUICKLY AS POSSIBLE.
3. TEMPORARY SEEDING OR OTHER STABILIZATION PRACTICES SHALL FOLLOW IMMEDIATELY
AFTER GRADING-
4_ AREAS WHICH ARE NOT TO BE DISTURBED SHALL BE CLEARLY MARKED BY FLAGS, SIGNS ETC.
5. THE JOB SUPERINTENDENT SHALL BE RESPONSIBLE FOR THE INSTALLATION AND MAINTENANCE
OF ALL EROSION AND SEDIMENT CONTROL PRACTICES.
MAINTENANCE
IN GENERAL,ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE CHECKED WEEKLY AND
AFTER EACH SIGNIFICANT RAINFALL BY THE CONTRACTOR_ THE FOLLOWING ITEMS WILL BE CHECKED
OR REPLACED.
1_ THE SILT FENCES WILL BE CHECKED REGULARLY FOR UNDERMINING OR DETERIORATION_
2. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND OF
VEGETATION IS MAINTAINED. AREAS SHOULD BE TOP SOILED, FERTILIZED, RESEEDED AND
MULCHED AS NEEDED.
3. WHEN ALL AREAS HAVE BEEN STABILIZED, EROSION AND SILTATION CONTROL MEASURES
SHALL BE REMOVED AND THE AREAS RESTORED.
SEQUENCE OF OPERATION
1_ NOTIFY PERSONNEL AT THE FACILITY 48 HOURS PRIOR TO START OF CONSTRUCTION_
2. CONSTRUCTION ENTRANCE, SILT FENCE, GRASS LINED SWALE AND THE TEMPORARY
SEDIMENT TRAP SHALL BE CONSTRUCTED AS A FIRST STEP IN PROPOSED LAND
DISTURBING ACTIVITIES AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND
DISTURBANCE/CLEARING TAKES PLACE.
3. PERFORM SITE CLEARING AND EXCAVATION OPERATIONS FOR NEW ROADS,
UTILITIES, SITE WORK AND BUILDING.
4. INSTALL CULVERTS WITH INLET AND OUTLET PROTECTION, AS INDICATED.
5. SEED AND MULCH ALL DISTURBED AREAS.
6. FINE GRADE AND INSTALL PAVEMENT. PERMANENTLY STABILIZE ALL DISTURBED AREAS.
7. AFTER THE SITE HAS BEEN STABILIZED TO THE SATISFACTION OF THE EROSION AND
SEDIMENT CONTROL INSPECTOR, REMOVE ALL TEMPORARY CONTROL PRACTICES, INCLUDING
THE GRAVEL CONSTRUCTION ENTRANCE, SEDIMENT FENCING, AND TEMPORARY SEDIMENT
TRAP-
8- STABILIZE ANY AREAS DISTURBED BY THE REMOVAL ACTIVITIES. FLUSH ALL CULVERTS
AFTER REMOVAL OF INLET PROTECTION CONTROL PRACTICES.
1_ ALL EROSION AND SEDIMENT CONTROL MEASURES UTILIZED IN THIS PLAN ARE IN
ACCORDANCE WITH THE CURRENT EDITION OF THE NORTH CAROLINA EROSION
AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL. STANDARDS AND
SPECIFICATIONS NOTED IN THESE PLANS ARE DESIGN MANUAL DESIGNATIONS.
2. CONTROL PRACTICES SHALL BE INSTALLED PRIOR TO BEGINNING MAJOR CLEARING
OR GRADING.
3. CONTROL PRACTICES SHALL BE INSTALLED AS SHOWN ON THE DRAWINGS. MINOR
FIELD CHANGES AND ADJUSTMENTS ARE PERMISSIBLE AS LONG AS THE INSTALLATION
FUNCTIONS, AND CONFORMS TO SPECIFICATIONS, AND ARE APPROVED BY EROSION
CONTROL INSPECTOR_
4. LIMING, FERTILIZING, SEEDING AND MULCHING MUST BE COMPLETED AS SOON AS THE
SITE HAS BEEN BROUGHT TO GRADE ON ANY PORTION OF THE SITE.
5. A STABILIZED CONSTRUCTION ENTRANCE SHALL BE USED AT ALL POINTS OF
CONSTRUCTION INGRESS AND EGRESS.
6. ANY MATERIAL DEPOSITED ON EXISTING ROADS AS A RESULT OF HAULING OPERATIONS
FROM THE SITE, SHALL BE REMOVED IMMEDIATELY_ USE A MECHANICAL SWEEPER_
WASHING THE ROADWAY WITH WATER IS NOT PERMITTED.
7. GRADING OPERATIONS SHALL BE DONE IN CONFORMANCE WITH THE STANDARD
SPECIFICATION FOR LAND GRADING.
8. DIRECT RUNOFF SO THAT IT DOES NOT RUN DOWN THE FACE OF CUT / FILL SLOPES,
9. MAINTAIN EXISTING DRAINAGE DURING CONSTRUCTION_
10. AN APPROVED COPY OF THE EROSION AND SEDIMENT CONTROL PLAN SHALL BE
AVAILABLE AT THE SITE AT ALL TIMES.
11. NO MORE THAN 500 FEET OF UTILITY TRENCH SHALL BE OPENED AT ONE TIME.
12. WHERE CONSISTENT WITH SAFETY AND SPACE CONSIDERATIONS, EXCAVATED
MATERIAL IS TO BE PLACED ON THE UPHILL SIDE OF TRENCHES.
13. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE MAINTAINED UNTIL
THE SITE HAS BEEN STABILIZED TO THE SATISFACTION OF THE EROSION AND
SEDIMENT CONTROL INSPECTOR.
14. IMMEDIATELY STABILIZE ALL AREAS DISTURBED BY THE REMOVAL OF SEDIMENT
CONTROL MEASURES.
15. NO DISTURBED AREA WILL BE DENUDED FOR MORE THAN 30 CALENDAR DAYS.
16. ALL STORM AND SEWER LINES NOT IN STREETS ARE TO BE MULCHED AND SEEDED
IMMEDIATELY AFTER BACKFILL.
17. ALL ELECTRIC POWER, WATER AND SEWER TRENCHES ARE TO BE TOPSOILED,
SEEDED AND MULCHED IMMEDIATELY FOLLOWING BACKFILL.
18. ANY DISTURBED AREA NOT PAVED, SODDED OR BUILT UPON WITHIN 30 DAYS IS TO
BE SEEDED ON THAT DATE WITH OATS, ABRUZZI RYE OR EQUIVALENT, AND MULCHED
WITH HAY OR STRAW (MAY BE MODIFIED DEPENDING ON CONSTRUCTION PROGRESS).
19. PROPERTIES AND ROADS ADJACENT TO THE SITE SHALL BE KEPT CLEAN OF MUD AND
SILT CARRIED FROM SITE EITHER BY VEHICULAR TRAFFIC OR RUNOFF.
20-IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO INSPECT AND MAINTAIN EROSION
CONTROL DEVICES PERIODICALLY AND AFTER EVERY ERODIBLE RAINFALL,
21_ THE APPROVED EROSION AND SEDIMENT CONTROL PLAN MAY BE CHANGED BY THE
AUTHORITY THAT APPROVED THE PLAN, AND ADDITIONAL CONTROLS REQUIRED WHERE
INSPECTION HAS REVEALED THAT THE PLAN IS INADEQUATE TO SATISFY THE MINIMUM
STANDARDS OF THE NORTH CAROLINA EROSION AND SEDIMENT CONTROL REGULATIONS.
22.IMPLEMENTATION OF THIS EROSION AND SEDIMENT CONTROL PLAN SHALL BE SUBJECT
TO CONTROL BY NORTH CAROLINA EROSION AND SEDIMENT CONTROL REGULATIONS
AND INSPECTORS.
23. NO MATERIALS ARE TO BE STORED OUTSIDE OF THE LIMITS OF CLEARING AND GRADING.
TEMPORARY SEEDING
SEEDING MIXTURE
SPECIES RATE (LB/ACRE)
RYE (GRAIN) 120
ANNUAL LESPEDEZA (KOBE IN
PIEDMONT AND COASTAL PLAIN
KOREAN IN MOUNTAINS) 50
OMIT ANNUAL LESPEDEZA WHEN DURATION OF TEMPORARY COVER
IS NOT TO EXTEND BEYOND JUNE.
SEEDING DATES
COASTAL PLAIN - DEC. 1 - APR_ 15
SOIL AMENDMENTS
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR ,APPLY 2,000 LB/ACRE GROUND
AGRICULTURAL LIMESTONE AND 750 LB/ACRE 10-'0-10 FERTILIZER_
MULCH
APPLY 4,000 LB/ACRE STRAW_ ANCHOR STRAW 3Y TACKING WITH ASPHALT,
NETTING, OR A MULCH ANCHORING TOOL. A DISC WITH BLADES SET NEARLY
STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
MAINTENANCE
REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE- RESEED, REFERTILIZE AND
MULCH IMMEDIATELY FOLLOWING EROSION OR OTHER DAMAGE.
SEEDING MIXTURE
SPECIES RATE (LB/ACRE)
GERMAN MILLET 40
IN THE PIEDMONT AND MOUNTAINS,A SMALL -STEMMED SUDANGRASS
MAY BE SUBSTITUTED AT A RATE OF 50 LB/ACRE..
SEEDING DATES
COASTAL PLAIN - APR. 15 - AUG. 15
SOIL AMENDMENTS
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB/ACRE
GROUND AGRICULTURAL LIMESTONE AND 750 LB/ACRE 10-10-10 FERTILIZER_
MULCH
APPLY 4,000 LB/ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT,
NETTING, OR A MULCH ANCHORING TOOL. A DISC WITH BLADES SET NEARLY
STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
MAINTENANCE
REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE- RESEED, REFERTILIZE AND
MULCH IMMEDIATELY FOLLOWING EROSION OR OTHER DAMAGE.
TEMPORARY SEEDING
RECOMMENDATIONS FOR FALL
SEEDING MIXTURE
SPECIES RATE (LB/ACRE)
RYE (GRAIN) 120
SEEDING DATES
MOUNTAINS - AUG. 15 - DEC. 15
COASTAL PLAIN AND PIEDMONT - AUG. 15 - DEC. 30
SOIL AMENDMENTS
FOLLOW SOIL TESTS OR APPLY 2,000 LB/ACRE GROUND AGRICULTURAL
LIMESTONE AND 1,000 LB/ACRE 10-10-10 FERTILIZER.
MULCH
APPLY 4,000 LB/ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT,
NETTING, OR A MULCH ANCHORING TOOL. A DISC WITH BLADES SET NEARLY
STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
MAINTENANCE
REPAIR AND REFERTILIZE DAMAGED AREAS IMMEDIATELY_ TOPDRESS WITH 50
LB/ACRE OF NITROGEN IN MARCH_ IF IT IS NECESSARY TO EXTEND TEMPORARY
COVER BEYOND JUNE 15,OVERSEED WITH 50 LB/ACRE KOBE (PIEDMONT AND
COASTAL PLAIN) OR KOREAN (MOUNTAINS) LESPEDEZA IN LATE FEBRUARY OR
EARLY MARCH.
PERMANENT SEEDING NO.4CP FOR:
WELL - DRAINED SANDY LOAMS TO
DRY SANDS. LOW TO MEDIUM CARE
SEEDING MIXTURE RATE
SPECIES 10 20 LB/ACRE
CENTIPEDEGRASS (30 BU/ACRE SPRIGS)
SEEDING DATES
MARCH - JUNE
SOIL AMENDMENTS
APPLY LIME AND FERTILIZER ACCORDING TO SOIL TESTS, OR APPLY 300-
LB/ACRE 10-10-10 FERTILIZER_
MULCH
DO NOT MULCH
MAINTENANCE
FERTILIZE VERY SPARINGLY - 20 LB/ACRE NITROGEN IN THE SPRING WITH NO
PHOSPHORUS. CENTIPEDEGRASS CANNOT TOLERATE HIGH pH OR EXCESS
FERTILIZER.
SPRIGGING CAN BE DONE THROUGH JULY WHERE WATER IS AVAILABLE FOR
IRRIGATION_
PLANT SPRIGS IN FURROWS WITH A TRACTOR -DRAWN TRANSPLANTER, OR
BROADCAST BY HAND.
FURROWS SHALL BE 4 TO 6 INCHES DEEP AND 2 FEET APART_ PLACE SPRIGS ABOUT
2 FEET APART IN THE ROW WITH ONE END AT OR ABOVE GROUND LEVEL.
BROADCAST AT RATES SHOWN ABOVE, AND PRESS SPRIGS INTO THE TOP 1.5 - 2
INCHES OF SOIL WITH A DISK SET STRAIGHT SO THE SPRIGS ARE NOT BROUGHT
BACK TOWARD THE SURFACE_
TO DRY SANDS; LOW MAINTENANCE
SEEDING MIXTURE
SPECIES
PENSACOLA BAHIAGRASS RATE (LB/ACRE)
SERICEA LESPEDEZA 50
COMMON BERMUDAGRASS 30
GERMAN MILLET 10
SEEDING DATES 10
APRIL 1 - JULY 15
SOIL AMENDMENTS
APPLY LIME AND FERTILIZER ACCORDING TO SOIL TESTS, OR APPLY 3,000
LB/ACRE GROUND AGGRICULTURAL LIMESTONE AND 500 LB/ACRE 10-10-10
FERTILIZER.
MULCH
APPLY 4000 LB/ACRE GRAIN STRAW OR EQUIVALENT COVER OF ANOTHER
SUITABLE MULCH_ ANCHOR BY TACKING WITH ASPHALT, ROVING, OR NETTING
OR BY CRIMPING WITH A MULCH ANCHORING TOOL. A DISK WITH BLADES SET
NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
MAINTENANCE
REFERTILIZE THE FOLLOWING APRIL WITH 50 LB/ACRE NITROGEN. REPEAT AS
GROWTH REQUIRES. MAY BE MOWED ONLY ONCE A YEAR. WHERE A NEAT
APPEARANCE IS DESIRED, OMIT SERICEA AND MOW AS OFTEN AS DESIRED.
NOTE:
USE COMMON BERMUDAGRASS ONLY ON ISOLATED SITES WHERE IT CANNOT
BECOME A PEST_ BERMUDAGRASS MAY BE REPLACED WITH 5 LB/ACRE CENTI-
PEDEGRASS.
PERMANENT SEEDING NO.7CP
SEEDING MIXTURE
SPECIES RATE (LB/ACRE)
COMMON BERMUDAGRASS 40-80 (1-2 LB/1,000 FT/SQ)
SEEDING DATES
APRIL - JULY
SOIL AMENDMENTS
APPLY LIME AND FERTILIZER ACCORDING TO SOIL TESTS, OR APPLY 3,000
LB/ACRE GROUND AGGRICULTURAL LIMESTONE AND 500 LB/ACRE 10-10-10
FERTILIZER.
MULCH
USE JUTE, EXCELSIOR MATTING, OR OTHER EFFECTIVE CHANNEL LINING
MATERIAL TO COVER BOTTOM OF CHANNELS AND DITCHES. THE LINING
SHOULD EXTEND ABOVE THE HIGHEST CALCULATED DEPTH OF FLOW. ON
CHANNEL SIDE SLOPES ABOVE THIS HEIGHT, AND IN DRAINAGES NOT
REQUIRING TEMPORARY LININGS, APPLY 4,000 LB.ACRE GRAIN STRAW AND
ANCHOR STRAW BY STAPLING NETTING OVER THE TOP.
MULCH AND ANCHORING MATERIALS MUST NOT BE ALLOWED TO WASH DOWN
SLOPES WHERE THEY CAN CLOG DRAINAGE DEVICES.
MAINTENANCE
A MINIMUM OF 3 WEEKS IS REQUIRED FOR ESTABLISHMENT_ INSPECT AND REPAIR
MULCH FREQUENTLY. REFERTILIZE THE FOLLOWING APRIL WITH 50/LB ACRE
NITROGEN_
Hankins and Anderson
Consulting Engineers
'0 Sadler Road Glen Allen, Virginia 23(
[phone] [phone] Fax
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December 29, 2006
H&A PROJECT NO.
5219.00
CLIENT PROJECT NO.
SCALE
As Noted
DRAWN BY
RW
CHECKED BY
NB
APPROVED BY
BAL
SHEET NUMBER
C702 J

DESIGN
SETTLED TOP
MAX STORAGE
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° _
6 FT 1:1 SIDE
SLOPE
MAX
STONE SECTION
STORAGE VOLUME
REFER TO E & S
PLAN SHEETS
OVERFILL 6"
FOR SETTLEMENT
EMERGENCY BY-PASS
6" BELOW SETTLEDTOP
OF DAM
NATURAL
GROUND
5 FT
MIN
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OUTLET
TOE OF FILL
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TOE OF FILL 30
DISTANCE IS 6' MINIMUM
IF FLOW IS_TOWARD
rmtjANKivirN
SILT FENCE CULVERT
INLET PROTECTION
NO SCALE
LNCDOT LCLASS B EROSION FILTER
NO- 57 STONE CONTROL STONE FABRIC
LNORMAL DITCH
GRADE NOTE:
REMWHEN
THE TOP OPO SDIMENT FROM TRAP SEDIMENT REACHES
S WITHIN IIIIIII
BOTTOM OF EXCAVATION 2-5 FEET OF THE TOP OF
STONE p
CROSS SECTION o�o�gb °° 11 so,
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REF- 6.60
NO SCALE
2"-3" COAf
AGGREGATE
FILTER FABRIC
TEMPORARY GRAVEL
CONSTRUCTION ENTRANCE/EXIT
REF. 6.06
NO SCALE
2.5'
rLAIN
12'
SECTION A -A
7'
2-5'
SECTION B-B
x USE TYPICAL SECTION SHOWN ON PLANS OR NORMAL SIDE SLOPE,
BOTTOM WIDTH, AND DEPTH OF CHANNEL, DITCH OR NATURAL GROUND.
'ONE FOR EROSION CONTR
OUTLET P
NO SCALE
1. SET POSTS AND EXCAVATE
A 4"X4" TRENCH UPSLOPE
ALONG THE LINE OF POSTS
3- ATTACH THE FILTER FABRIC TO
THE WIRE FENCE AND EXTEND IT
INTO THE TRENCH- MINIMUM 36"
INSTALLED HEIGHT-
(WITH WIRE SUPPORT)
NO SCALE
2- STAPLE WIRE FENCING
TO THE POSTS.
4-BACKFILL AND COMPACT THE
EXCAVATED SOIL_
IR9
FILTER FABRI U
WIRE — i
l- —
IIIIIII - 1=III=11'I
_III III III -III.
EXTENSION OF FABRIC AND
WIRE INTO THE TRENCH
ILE
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Hankins and Anderson
Consulting Engineers
10 Sadler Road Glen Allen, Virginia 23060
[phone] [phone] Fax
w .haengineers.com
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DATE
December 29, 2006
H&A PROJECT NO.
CLIENT PROJECT NO.
SCALE
DRAWNBY
CHECKED BY
APPROVED BY
SHEET NUMBER
5219.00
As Noted
RM
WIB
BAL
C703
Y

CATCH BASIN FRAME & GRA1
EQUAL OR SIMILAR TO;
NEENAH R-6133
SECURE PVC RISER PIPE TO
STRUCTURE WALL WITH 3
STAINLESS STEEL STRAPS
& SS EXPANSION BOLTS.
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PLAN
6" PVC RISER THRUI
STRUCTURE TOP
CATCH BASIN STEPS:
1'-2" OC IN ACCORDANCE
WITH NC STD 840.66
6" PVC OUT 4.80
ORIFICE OPENING
ELEV 3.25
OPNG SIZE-1"
•A - HOLES
INV 4.75
ORIFICE OPENING: HOLE DRILLED
IN BOTTOM OF 6" PVC CAP
ELEVATION
SWM POND OUTLET
NO SCALE
NC STANDARD 840.04 MODIFIED
BOTTOM OF
DITCH
6" PERFORATED 1
PVC PIPE, WRAPPED -
IN A PORUS FABRIC
SOCK
PORUS FILTER FABRIC
.L PIPE PENETRATIONS
1ALL BE SEALED WITH
NON -SHRINKING GROUT
-_ATCH BASIN FRAME & GRATE
-QUAL OR SIMILAR TO;
VEENAH R-6130
WEEP HOLES: 3" DIAMETER WITH 12"X12"
PLASTIC HARDWARE CLOTH,I/4" MESH
1 CF NO. 78 AGGR IN A PORUS FABRIC BAG
SHALL BE PLACED AT EACH HOLE.
TOP ELEV 7.50
THROAT INV 6.50
6" PVC OVERFLOW IN 5.25
3-15" RCP INY. 4,78
6" PERF PVC IN 3.80
BOTTOM STRUCTURE 2-50
NO.57 STONE
NO, 57 STONE
18"
SWM PERFORATED INLET P
NO SCALE
0
wi
1.50'
NCRETE DI
CONCRETE DIT
N
60 1 575 1 5
tO • 6.0
CATCH BASIN FRAME & GRATE
EQUAL OR SIMILAR TO;
NEENAH R-6134
ALL PIPE PENETRATIONS
SHALL BE SEALED WITH
A NON -SHRINKING GROUT
6" PERF PVC
CATCH BASIN STEPS:
1'-2" OC IN ACCORDANCE
WITH NC STD 840.66
6" PVC OVERFLOW IN 4.50
3-3" DIA. WEEP HOLES
INV 3.50
6" PERF PVC IN 2.75
SWM
NO SCALE
445
3.46 - - -
I
i 4-46
I
1.50'
I
1
60
SECURE PVC RISER PIPE TO
STRUCTURE WALL WITH 3
• STAINLESS STEEL STRAPS
& SS EXPANSION BOLTS.
6" PVC OUTLET PIPE
6" PVC SCREW PLUG
OVERFLOW CLEANOUT
6.0 •
' WEEP HOLES: 3" DIAMETER WITH 12"X12"
PLASTIC HARDWARE CLOTH,I/4" MESH
WEEP 1 CF NO. 78 AGGR IN A PORUS FABRIC BAG
HOLES SHALL BE PLACED AT EACH HOLE.
6"I 4'-0" 6„
PLAN
ORIFICE OPENING)
ELEV 2.33
OPNG SIZE-1.25"
ELEVATION
6" PVC RISER THRU
STRUCTURE TOP
TOP ELEV 6.83
THROAT INV 6.00
THROAT OPEN BOTH
SIDES OF STRUCTURE
6" PVC CROSS
INV OUT 3.50
BOTTOM STRUCTURE 1.58
ORIFICE OPENING: HOLE DRILLED
IN BOTTOM OF 6" PVC CAP
Np v # �isi¢:' e-
H OUTLET CONTR.
NC STANDARD 840.04
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Consulting Engineers
0 Sadler Road Glen Allen, Virginia 23060
[phone] [phone] Fax
www.haengineers.can
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DATE
December 29, 2006
H&A PROJECT NO.
52119.00
CLIENT PROJECT NO
SCALE
As Noted
DRAWN BY
RW
CHECKED BY
APPROVED BY
BAL
SHEET NUMBER
C704