SW8161011_Approved Plans_20170118

REVISIONS
in
SITE °' Description By
Designer's Plan Certification:`.:. 42 ° Date
gn , , , , ' � ° � R 1 STATE SW,NHC SW,EC M LV
« ...�� •`. , � R2 NHC SW, EC AND
�' coun 08.09.16 NCDOT COMMENTS
I hereby certify that this plan has been prepared in accordance with the latest New Hanover M LV
County Ordinances and Storm Water Design Manual." �1 ` "den Road 10.10.16 NCDOT COMMENTS
`,,.......' •�Q4 9A Grove Point Rd. pao��o R3 M LV
�: • 10.27.16ENTCCf
Signature: .��.°...... Q 7Q�' �p�9G� R4 STATE SW AND MLV
Printed Name and Title: Phillip G. Tripp, P.E. A ? q
Date: ..
,/ • � 62 c �'�o �� � Heatt►ci'Af Sand Bar
01.13.17 NCDOT COMMENTS
Registration Number: 17374 SEAL / • ... SF -o
� Road N
• -Willi s oad
/ f/6$ /k0 9 , �• . , SSMH No. 1 P.1 Sunrise tone
r N 8 RIM 15.1 �o
6
3 �
Property Owner Certification: o �S,n 1 INV 11.0 W E
"I (We) hereby certify that I (we) am (are) the current owner of the property and that upon EXIST. SSMH \ \
/ RIM 14.58
receipt of "Authorization -To -Construct" any clearing, grading, construction or development, / `' ' ' ..... •
will be performed in accordance with this plan and that the applicable ordinances and rules of , `S INV IN 3.17 \ \ �' q. LOCATION MAP/ y.°.
New Hanover County, the State of North Carolina and the Federal Government and its /260 '\ <A /\ s ��\ INV OUT 3.07 \ \ NOT TO SCALE
agencies which are hereby made part of this plan. As the owner, I (we) accept full
responsibility for the construction and operation and maintenance of the proposed facilities. I / / LOT
m t transfer of this responsibility without the written authorization of
(We) will not attempt o p ty
New Hanover County." 4p
25x28o \ \ / /\ \ \ \ \ \ \ SITE DATA.
Signature: / \`\ \\ \ \
/ ��. \ \
Printed Name and Title: / �MH NOS 1 \ �\ \\ \ OWNER APPLICANT: LUMINA REALTY OF NORTH CAROLINA, LLC, WILSON KI
\ RIM 25.2 1 \ \ \ \ \\\\\ \ \ \ /
15•0 I \ \ \ \\ P.O. BOX 12615
Date: INV b\2.5
/ \ LOT �� T \ / I WILMINGTON, NC 28405
° S� \ / \S \ \\\ \ \� \.. \\ \ \ \ \ 910-232-3730
*24P10\wilsonki� ahoo.com
\ \ \ \ / l \ I \ \\�\ [e-mail]
No 1 C / r�, \ 370 \ \ \ / \�\�•• \�\ \ \\� \ SITE ADDRESS PER NHC GIS : 6506 MYRTLE GROVE RD.
RIM 25.0 / •� \ / i \ \ l \ \ \\� '� \\\ \\ \ C )
INV 12.90 DI p.4A \ \ I \ '` \ \\ \\ NHCo. PARCEL No. R07900--003-035-000
LOT RIM 24 7S \ 15.5/ I \ \ \ \\ \ LATITUDE & LONGITUDE 34'06'49"N 77'53'04'W
/
LOTo
12INV 20. 1J
� \\�\\ ZONING R-15 RESIDENTIAL DISTRICT
JAMES GiLLESPIE z 9
BOO2
K 1136, PAGE 1273
USE RESIDENTIAL
O •O'� 3,3o \ 310 0• RED OV EXfSTIN \ Y� / / \\\ \'� 1 \\ \\ PROJECT AREA 7.42 ACRES
o, Q \ \ \
/ �- NET T� 8 A I / / 1__ �J \I \P �R N\ DISTURBED AREA 7.63 ACRES
v' �`'%'/ LOT\CO \ \
Cow 13 0 \ �'C� 2 \ O \ \ \ \ I \ \ ! / ` \ \\ TOTAL No. OF UNITS PROPOSED 39 UNITS
ES 1 �5• �\ �\ \ i \ \ No. OF BEDROOMS PER UNIT 3
° 28o LOT p. r\ (1 8 2 END \ 1 A \
240 250 27o� ♦ \ x , i \ \ \ j 1 \ PROPOSED IMPERVIOUS AREA
14 �
s5 / \ / 3 1 z \ \ \ ` \ \ \\ \ \ \ \ \ \ \ i1 \ \ \ 39 LOTS ® 3,000 SF 117,000 SIF a H
-26- O' V x w % \ \ \ \ \ \ \ \ I Jar \ ` ASPHALT 31,000 SF O
c \ 13 \
\ SIDEWALK 4,615 SF a �..�
�---26 / \ \ \ \ \ \ \ \ \\ \ \ \ \ \ \ \ \ \\ AMENITIES . Z
LOT \ \ \ p s ,
\ \ \ \ \ \ \ ` FUTURE_ SF Q
/ �, 15 7p 'p/ LOT \ \ \ \ \ \ �\ \ \ \ \ \ \ \\ TOTAL PROPOSED IMPERVIOUS AREA �, 15Al'", } SF H
/ /
\ \ L`' *PARKING TO BE LOCATED WITHI� PRW` TE° DRIVEWA ~'
/ GP 4x6x6o / / \ \ \ \ \ \ \ \ \ \ \\ E"� O
SSMH No 1 !y( / / �`....a.. - \ 1 70• ( (1)\FIRE\ HYD N'T ASS\Y \\ \ \ \ \ �� ��1 \ \\ PROPOSED SANITARY SEWER
RIM 24.0 / \ \ \ \ \ \ \ \ \\ \ \ �j' - -- - \ ' 1=
/ \ �\ �j \ \ (360 GPD x 39 LOTS) 1 040 SIF A
INV.. 13.52 � ..'� • \ \ \ \ \ \ \ \ � �
/ / - � � � \ �. \\ � _ , \ \\ PROPOSED WATER FLOW: Q; Z
/ \ To. .0
80 \ O 8r 22• s \ \ \ ` ` _ __ -12 \ \i (400 GPD x 39 LOTS) 15,600 SIF
RIM 24. o / \ 31443 \ \\\\ \ _ M-, \�3 \\ �
i/ '�/ / INV 19.5 7 \ \ \ Z! 1
DI No.3 2S �2s \ LOT \ \ \ '\ `�-\ \ � _ \ -- _ _ _ _ --� �'\�,¢ \\ � W E--I
RIM 23.5 -- \ LOT \ \ \ \ \ i -_� _ __ - _ _ - \LEGEND
/V 24 5x40 \ -- _ - \ \\ ` W
�S'3 �' 7 W. \ O
INV 18.5 % Y
• /�'o. � 2 � \ \ \ \ \ \ -.- ._._..._ - - _ � \Z W / / / 34 00 v�J+ \ \ \ \ \ , - - - - L _ _ \ \ s \\ x31.9 EXISTING SPOT ELEVATION
JAMES GILLESPIE / ''/ d / 33 (1) 8"x8" TEE • \ \ -25- EXISTING CONTOUR Z
BOOK 1136, PAGE 1273 �,h _ -3d / / (2�} GATE VAL $ \ \340 \ \ \ �c6 \ \ \ \ -� i X TSF TEMPORARY SILT FENCE A
•`U / 1) .H. ASSE L \ y ACT 1� - �- 6 \ \
LOT / / fi d `O \ \ K11�/I ION �' - \ _ -- - ~ _ �-3 \ \ \ \\ \\ *---33.0 PROPOSED SPOT ELEVATION Z
/ \ '6 LOT \ \ _i _ _ -- - \ \\ \\ Z
//// / 290 1 7 1 ; \ �iIAP BOOK 38, PAG-E-_2_10 \ ~- \ \ �-+ Q�'
j/� }� (\ 612dx7x9dw ` \ \ �' \ HOME N.FE, LLC \ _ _ \ ': \ \\ INLET w/INLET PROTECTION W
BO_-OK 5289, PAGE- 528_ \ \ SS PROPOSED SEWER MAIN
10Q 0 � 00 / \ 280 .� \ - - \ \ \ W W PROPOSED WATER MAIN
/i/���/ �ir ` 32 .o� LOT _ - _ - \- \ \ 1 \\ - - c
, . � ,, PROPOSED STORM WATER
28o / / 4 35 A\ 0 - \ H NO 2A %tJ
9x9 dw RIM 25.0 '\ \ \ '\� \ \ \ \ \\ LIMITS OF DISTURBANCE W O
LOT LOT \ \ J E-♦ I --'-I
$ '� q4V 16.0 ,25 DEER G P E II18 � H H
�/�// /�/// DI No 5 6 \ \ g TREE PROTECTION -DO NOT DISTURB
�; / \ DI No.2 � o ° �• / / LOT � � � . s \ ,2 x `` - - -" _ � - \- --\. �' � , \ \ \ \ \ �; i�
RIM 22.3 / 31 LOT RIM 23.5 \ \
V 18.0 INV 200 _ _ - __
\ \ \ \ \ \ RUN OFF DIRECTION
8" C-900 / 36 \ j \ �1
/ ( \ WATER MAIN�,� 2� \ \ \ \ \ \ \ \ \ EXISTING SIGNIFICANT TREE
L0�j Q 14splitdw 26hick \ \ TO BE RELOCATED
� 290 'i \ \ 1 i�
191 / ER SE / \ oT \ \ \ \ \ \ \ i\ \ "t
SSMH No 1 E o1 ° \ p \ \ \ \ \ \ EXISTING SIGNIFICANT TREE co
/. / / g I 1 ,Y 290 SOT / O- \/ __ _ \ \ \ \ \\ ` �2o TO BE REMOVED C\�
\ \ \ \ \ \
RIM 14.39 �; 1 � � � q LOT �,`D � / \ t 43$x45x40x24 -- �" �-- � \ \ \ \ \
I j/ f j I \' _Za_ '\ �j\ \ \ \ \ \ EXISTING SIGNIFICANT TREE
11 / 1 330 I 8" \ 22.5' BEND 2 0 i No.6 - \ i ' \ \ \ i 1 \ �' �2 \ DEAD'
SDMH No 2 \ - - -� n 3 \ \ \ N
RIM 22.0E / \ i' 31 o Y „ I \ / ,RIM 26.0 \ ,\ dw 12 \ \ \ \ \ \\ \ \ \ F-+-� 0
INV 17.0 // -- hi i /INV 21.5 ,� � r N � / \ � \ \ I I \ \ `\� \
// \ / LOT / 8n C-900 \ \ \ I \\-2 ` w
SDMH No 1 �- - - \� LOT WATER MAIN \ I \ \ \ \ W U
.5f // ' \ 18x18o \ \ \ \ \ ' \\ O O
OFF SITE RI NV 16.7' // %/� /� f I � �' � \LOT \ \ \
�.� 1 / \ }. LOT LOT/ v \ \ ,. I \ �--� �-, � � Q0
404 WETLAND " \ \ (1) FIRE SDM No. 3 `� �, (1) 8 x8 TEE \ \ \ \ \ \ \ \ .{..� � Lo Lo
0.03 AC. f 30 FES W/1// / I � 0 \ \ 3o\ HYDRANT ASSY 2 8 27p �7 RIM 22.75 1 \ \ 'C \ (2) 8" GATE VALVE \ \ \ \I \ \ O 1 1
1,245 S.F. 10'x10'x12" EDP / I DI 14 1 \
\ � LOT INV 19.5 LOT*8dw �' LOT \ o�\\ 19x19x10 �, �o `(1) F.H. ASSY. 1 \ \ / \ _ \ \ � ..,..� � � �''�pp •�INV 16�RIM 2'1.5 s 3 8" 22.5 BED 26\ / G s� os \ \ / / \ \ \ � cfl
10 DRAINAGE AND ACCESS EASEMENT/ .f / \ �, C 14 14x1 �x18o 39 \ I 1 c� \ �, \ 2� C� \ \ \ \ W .. �- �- Z.N
I 1 I INV 1.3 \ DI No.8 •� \ \ i 13 I w
(TYP. ALL AROUND INFILTRATION BASIN) I g \ 12d ` \ SSMH No 2B \ c'�. , / �� \ I
a \ 9 ?, ..: o - _ RIM 23.5 8x7,dw 1 / � O o O
DOUGLAS N. & SHARON F. HAGGETT 1 LOT \ y \ o• 3P �INV 20.5 \ RIM 27.5 \ Sdw X / �\ \ \ '-24 \ � Q)
•+-> Z z°
\ `� i \ INV OUT 16.82 \ 40 / \ ( �0 0 aN
BOOK 1734, PAGE 50 / 1 _ - - - - - - -� \ /ps-1 \ aZ
_ _ -
APPROX. LOCATION OF I ` .. 1 U.E. 6x6x6x6dw I�IV IN 17 32 LOT 350 / \ \ �,> > O �` a u '�'
INFILTRATION BORE TEST #1 \ 1 18 p NZ
l l �� ' � r ' ISSMH No 1 F \ .. ...'` , w`'==- \ w---_ . N \ \ 2 � � i v36• � w 1 &ale ~ � � o�
EXISTING GRADE EL. 20.0 f \ 1 N tL• • r-i
f I RIM 22.0 ::... - .: Z -� / w .,-
� s I \ �� 26 1 ,� � � o
SHWT DEPTH: 8.5 FEET / I RC \ _
i;,t
SHWT EL. 11.5 / ' . / f 2 NV 14.8 s--s�os"I �� `� 05 p _ �\ - _ ♦ \ --- 29 I \ D-�i 3 p. �/ dt
18" FES W/5'x5'x12"ED o _ -�� 10 \ •0 \ 28o
INV 15.0 \i 1 �$ DI No. SS ss : w \ L0_6 (1) �8, 22.5' BEND
OUTLET STRUCTURE /� f V 1�:5. �- �\ ,,� �� \ 1 `� TIE INTO EXIST.
\ IN o 10 U.E. \ \ CD 0 8" WATER
(SEE DETAIL) --- - --- --- ---� \ ?c,
SKIMMER , r�. I IIII / LOT 34o LOT LOT \ LOT \ \
(SEE DETAIL) Il / \ QO \ / ZO i / \
45o
fi •5 32o SSMH o 2 \ MAIL60X
1N�/ 1 RIM 24.0 \ �� 9x %` ♦ \ 3 T-w 4
G
AREA .,` �oN x x a,£ C) ¢�� ... /
I 11 1 \\\� A 4• 11% 18.00 \ � � / ♦♦ / \ \ \ i
SSMH No \+% A / ♦ i e r =gig
1\
yry § . e.�
\ 2 lei
EXIST 24" ,GP 1 \ \\ v Y 1 RIM 22.5 \ \ °' a i� \ 1�ro� ' Q
/ / / /a \ SEA L
TSF -TSF TSF �� � S � � \ - -
/ 1 ROtJSB�►F�LES _ I� X o :. � /�-
�r'i<� P _ _=- -` A - "E 1,..... i / \ i \� � �t� y 17374 : Q
\ �� S -=- _ - - S 9S Ex. s 1T 10 x70 SI DISTANCE TRIAN LE
'' �L_� _ - - __ f?Rt-R+�'c c- -1 �_ . �- . EX. SWALE �_ 6M2.1.97 �- ,E »S 7 0 �� 2 �hhFi' _(S-EE DETAiL = - _ _ x21 6 (; S SSSS SS SS SSSS�21ivt' 24.82 / / c ,Q I >
�-------------- ----- -- --2, GR O `
20' EMERGENCY SPILLWAY �4U4-V�ND - - - - - - - - - - - -
111LL'_D lV�- �I n o Q s2 ?S, '2� - ,2.55,0 , i / 1 \ \ '�����ii�►�i��`�
ELEV. 21.60 / - - - - - - - ---3T-T3..� - - o x i� - '� p,3�9i \
SEE DETAIL 6 S. F.
C )--------------------------------------------58)-P4B�UC----=------=-cs-�--- - ----- --- -- ---�S GATE- ----- 1 DATE 10-28-15
w -� \- i
W W W Al W W W W W W W W T. 8" ` i
W W W W W W EX. 2 W _
_ - - - 1 VALVE WJPLUG� � f DESIGN PGT
� --- '
- - - - - EX. C SIDEWALK
-•- R%► - - - - - _ - x--yx� DRAWN EJW
POROUS BAFFLES 18" FES W/5'x5'x12" ED 10x70' SITE DISTANCE TRIANGLE \ `
26 SPACING INV 16.5250' SAFE SIGHT DISTANCE 250'
(SEE DETAIL) o f SITE PLAN
50 TEMPORARY x MATCH• \ \ \� Glenn R. & -
CONSTRUCTION ENTRANCE ASPHALT GRADE,,, BAR SCALE "- 40'
�fidi � a
\ \ Kitty R. Sasser Je a.
2415EECEIVE
n�I TEMPORARY DIVERSION SWALE I .\
Ellen Loraine Murphy AT CONSTRUCTION ENTRANCE \ D.B. 75_ 1 56
D.B. 1251- l 699 \ ��, z � ���
GKeyes/AC �'�• 40' 20' 0' 40' 80'. 120' 17 S ET 1 OF 4
` 121010 Midway trees.dwg
BY:-
-12042

03�:
45' RIGHT-OF-WAY
-
bi
6' 2' 4
6.5' SHLDR 20' ASPHALT SHLDR. S/W
6.5'
w
J
z_
_1
it
w
0
1 2"
1 /4 ��/FT. 1 4" FT • 1 2 �� FT. 1 /4
w
FT. 0
�
n-
w
8" ABC 2" TYPE
4'
STONE (NCDOT) SF 9.5A
SIDEWALK
(NCDOT)
TYPICAL 45
ROW PRIVATE STREET X-SECTION
NTS
(w/ No Curb & Gutter)
EXPANSION JOINT
AT 30' INTERVALSOYP)
AL
f�f
ft�
PLAZA AR
fi
�i EXIST. EDGE OF
H0U' CARIES
LDE
St ottE(TYP) TRAVEL LANE
1/4"/FT
1/4/
9 8%
t�
�I
SIDEWALK DETAIL
NTS
PVC END CAP
I VI v IL-VV
PVC ELBOW
PVC PIPE VENT
SCHEDULE 40
PVC TEE PVC END CAP PVC PIPE
PVC PIPE I" HOLES
IN UNDERSIDE
FLEXIBLE HOSE
CONNECTED TO ORIFICE /
e
"C" ENCLOSURE
...,rER ENTRY UNIT
SCEHDULE 40
PVC PIPE
` ORIFICE PLATE
PVC TEE
END VIEW FRONT VIEW
BASIN #1: 3" SKIMMER W/2.8" ORIFICE
FAIRCLOTH SKIMMER DETAIL,
NTS
OUTLET STRUCTURE DATA
BASIN #
TOP
BOTTOM
WEIR SIZE/INVERT
OUTLET
OUTLET
INV. IN
ELEV.
ELEV.
SIZE
INV. OUT
1
21.50
15.50
36"/21.0
18 inch
15.5/1.5 0
WEIR
NOTE: A
WHILE SKIMMER IS FUNCTIONING,
CLOSE ALL OPENINGS OF THE 0
OUTLET STRUCTURE EXCEPT THE d. OUTLET
TOP AND THE INLET (ORIFICE).COT
LCL 4,-0„ L611
PLAN
GALV. BAR GRATING - 1 "x1/8" BEARING BARS
(MAX OPENING 4"). FASTEN WITH TYPE J
TOP OF BANK 3 CLIPS. ATTACH TO 1-1 /4"x 1-1 /4"x 1 /4"
NOTE
I. CONTRACTOR MAY USE BRICK WITH MAX. CORBEL 1" PER COURSE
2. CONTRACTOR MAY USE ECCENTRIC M.H. UNIT
�'L: , ,,
PLAN
1 Pill 4"WER Iiii}�
1 FvWfflftU98S*T12- OC
_3 -3- MIN. to, 3"MIN. "
MH RINGS
11
SECTION
STORM DRAIN MANHOLE DETAIL
NTS
NCDOT 5 OR #57
WASHED STONE
SECTION A - A
WET DETENTION BASIN OUTLET STRUCTURE
NTS
z
a
w
w
V
INK
- - -. �-
NITS
Y
SEE PLAN FOR PIPE
ORIENTATIO '
F
1
T
��
CASTING
O EN USE DEWEY BROS.
-
1.
QQOQ
(
CH-BN 3A FOR CATCH
BASINS AND CH-BN-47
I
I
FOR YARD INLETS
CONC. COLLAR
(------I
PLAN
CONC. COLLAR
1�'-0";
ASPHALT PAVEMENT
ELEV. VARIES
2'
0"
BRICK MASONRY
N
--�/,
=:�
OFLOW
a
_
7[==j::=
4»
t0
3000 PSI CONC.
.9
`
MIO
S_
DROP
INLET DETAIL
NTS
2" TYPE SF 9.5A (NCDOT)
5" B 25.0E (NCDOT)
8" ABC STONE (NCDOT)
NOTE: PAVEMENT SECTION MAY VARY
DEPENDING UPON FIELD CONDITIONS.
CONTRACTOR SHALL COORDINATE
w/OWNER & GEOTECHNICAL
ENGINEER TO DETERMINE
ACTUAL PAVEMENT SECTION.
DRIVEWAY PAVE M ENT SECTION
NTS
NCDOT #5 OR
WASHED STON
1. UN QRADE A SNAIL GN APPROACHING
v
2 ERNE 3-f�0? STEEL POSTS 2 FEiT INTO THE GROUND
WATE
SURROUNDING THE Ill SPACE POSTS EIAMY AROUND
THE PERIMETER OF THE II.ET. A MAXIMUM OF 4 FEET APART.
3. SURROUND THE POSTS WITH WIRE MESH NARDVIARE CLOTH.
SECURE THE wltE MESH TD THE STEEL POSTS AT THE TOP.
MI ANo BOTTOM. PNAgR 2-FOOT FLAP OF WIE
MIESH THE GRAVEL FOR AIMCHORING S RECOMMENDED.
4. PLACE CLEAN tiRN/El (NOWT j5 0R /57 STON_p ON A 2.1
yy;
SMOOTH TO AN EVEN GRADE. 1ItNNTG111EESS AROJfND 1?I MAt AHD
INSPECT MIRES AT LEAST Wili AND AFTER EM.H SIGNIFICANT (} Iii
5. ONCE THE CONTMAI NG DRAIi+K.'E AREA W1S BEEN StMill E0.
OR GREATER) RAINFALL EVENT. CLEAR TW MESH W RE OF ANY DOMR13
REMOVE ACCUMULl SEDIMENT. AND ESTAB M FINAL GRADING ELEVATIONS.
OR OTHER OBJECTS TO PROVIDE ADEQUATE FLOW FOR SUBSEQUENT PAINS.
6. COMPACT THE AM PRONRLY AND SrMi IT WflH GROUNDOOVER.
TAKE CARE NOT TO OHMAGE OR UNDERCUT THE WINE MESH DURING
SEDIMENT REMOWIL. REPLACE STONE AS NEEDED.
U _ i Vim_ TOP 22.5
S _
10'� BOTTOM 16.5
NOTE: 4" OF CLEAN SAND TO BE PLACED IN
BOTTOM OF INFILTRATION BASIN AT ELEVATION 16.17
INFILTRATION BASIN DETAIL
NTS
HARDWARE CLOTH
OPENINGS)
HARDWARE CLOTH AND GRAVEL INLET PROTECTION
BAFFLE CONSTRUCnON SPECIFICATION:
1. GF?ADE TFE BASIN SO THAT THE BDTTOM IS LEVEL FRONT TO BACK AND SIDE TO SIDE
2 INSTALL THE OCR FIBER BAFFLES IMMEDIATELY UPON EXCAVATION OF THE BASINS.
3. INSTALL POSTS AQ90SS THE WIDTH OF THE SEDIMENT TRAP.
4 STEEL POSTS SHOULD BE DRNEN TO A DEPTH OF 24 INCHES AND SPACED A KMMUM OF 4 FEET APART. THE TOP OF THE
FABRIC SHOLLD BE 6 INCHES HIGHER THAN THE INA RT OF THE SPILLWAY. TOPS OF BAFFLES SHOULD BE 2 INCHES LOAM
THAW THE TOP OF THE EARTHEN EMBANKMENT.
5 INSTALL AT LEAST T -IRE R)i OF BAFFLES BETWEEN THE INLET AND OUTLET DISDORGE PONT. BASINS LESS THAN 20 FEET IN
LENGTH MAY USE 2 B*TLES.
6. ATTACH A 9 GAUGE HIGH TENSION WIRE STRAND TO THE STEEL POSTS AT A HEIGHT' OF 6 INCHES ABM THE SPILLWAY
EL.EVAnON WITH PLASTIC TIES OR WIRE FASTENERS TO PREVEM SAGGING IF THE TEMPORARY SEDIMEM BASIN WILL BE
COMIl TO A PERMANENT' STORMWATER BASIN OF A GREATER DEPTH, THE BAFf1E HEIGHT SHOULD BE BASED ON THE POOL
DEPTH DURING USE AS A MilIPORARY SEDIMENT BASIN.
7. EXTEND 9 GAL.IGE MINIMUM HIGH TENSION WMRE STRAND TO SIDE OF BASIN OR INSTALL STEEL T-POSES TO ANC-EOR BAFFLE TO
SIDE OF BASIN AND SECURE TO VERTICAL. END POSTS.
8. DRAPE THE COIR FIBER MAT OVER THE WIRE STRAND MOUNTED AT A HEIGHT OF 6 INCHES ASS THE SPILLWAY ELEVATION.
SECURE THE OUR FIBER MAT TO THE WIRE STRAND WITH PLASTIC TIES OR WIRE FASTS AJNC-IOR THE MATTING TO THE
SIDES AND FLOOR OF THE BASIN WITH 12 INCH WIRE STAPLES, APPROXIMATELY 1 FT APART, ALTJNG THE B01TCM AND SIDE
SLOPES OF THE BASIN.
9. DO NO SPLICE THE FABRIC, BUT USE A CONTINUOUS PIECE ACROSS THE BASIN.
10: AQAISTM NTS MAY BE REQURED IN THE STAPUNG REQUIREMENTS TO FIT INDIVIDUAL SITE CONDITIONS.
SUPPORT RO
TO WIRE TO UPPORT POS STAKE TO SUPPORT
PREVENT SAGGING 24" INTO BOTTOM WIRE
OR SIDE
`-COIR MESH OR SIMILAR, STAPLES OR
TRENCHED INTO BOTTOM OR SIDE
CROSS SECTION OF POROUS BAFFLE
NTS
First Chamber Second Chamber
25% of surface area 25% of surface area Outletzone
25% of surface area
CBAOPX WITH
SEAL
LEAN WASHED COARSE
AND OR FINE GRAVEL
NDWATER
" 0 PERFORATED PVC PIPE
BOREHOLE (6" MN)
OBSERVATION WELL DETAIL
Inlet zone
25% of surface area
5'Crest Width
Inflow
Structure
Riprap
or Slope Drain
Earthen
embankment
with stabilized
side slopes
Baffles
BAFFLE SPACING DETAIL C � L
Skimmer
Eoriergency
Spillway
v
vM
H -0
-1
o
Fo-n0�rJ7
M z = -1
=-nzDm
= Cn 3 Q
z ,."N _0 r -n
• QQH
Dy=DD
"i--I
Cn H
o _
z w
a
< m
mZ
r0
Z Cn
H
O =
NCI D
z
n =
0
H v
Z
mZ
Z 0
M0
aM
0
m
SHEET 1 OF 1
1607.01
NOTES
o o
1.
PROVIDE TURNING RADIUS SUFFICIENT TO ACCOMMODATE LARGE
H v;
TRUCKS.
=
2.
LOCATE ENTRANCES TO PROVIDE FOR UTILIZATIONcc
~I
BY ALL CONSTRUCTION VEHICLES.
o'
3.
MUST BE MAINTAINED IN A CONDITION WHICH WILL PREVENT
Z
TRACKING OR DIRECT FLOW OF MUD ONTO STREETS.
N
PERIODIC TOPDRESSING WITH STONE WILL BE NECESSARY.
1
4.
ANY MATERIAL TRACKED ONTO THE ROADWAY MUST BE
'-
M
CLEANED UP IMMEDIATELY.
5.
LOCATE GRAVEL CONSTRUCTION ENTRANCE AT ALL POINTS OF
INGRESS AND EGRESS UNTIL SITE IS STABILIZED. PROVIDE
FREQUENT CHECKS OF THE DEVICE AND TIMELY MAINTENANCE.
6.
NUMBER AND LOCATION OF CONSTRUCTION ENTRANCES TO
W
BE DETERMINED BY THE ENGINEER.
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7.
USE CLASS 'A' STONE OR OTHER COARSE AGGREGATE APPROVED
cc
BY THE ENGINEER.
8.
INSTALL CONSTRUCTION ENTRANCES IN A WAY TO PREVENT VEHICLES
II-_
FROM BYPASSING CONSTRUCTION ENTRANCE LEAVING PROJECT SITE.
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NOTE: PLACE FILTRATION GEOTEXTILE BENEATH STONE
SITE WORK NOTES
REVISIONS
1
THE CONTRACTOR SHALL VISIT THE SITE AND BECOME FAMILIARIZED WITH EXISTING
CONDITIONS BOTH ON AND IMMEDIATELY ADJACENT TO THE SITE.
No
pate
Description
By
2.
CLEARING: CONTRACTOR SHALL REMOVE ALL TREES AND VEGETATION WITHIN LIMITS
OF CONSTRUCTION UNLESS OTHERWISE DESIGNATED TO REMAIN.
R1
STATE Sw,NHc SW,Ec
MLV
3.
GRUBBING AND STRIPPING: CONTRACTOR SHALL RAKE AND REMOVE ROOTS, STUMPS,
08.09.16
NCDOT COMMENTS
VEGETATION, DEBRIS, EXISTING STRUCTURES ABOVE AND BELOW GRADE, ORGANIC
R2
10.10.16
NHC SW EC AND
NCDOT COMMENTS
MLV
MATERIAL OR ANY OTHER UNSUITABLE MATERIAL WITHIN LIMITS OF CONSTRUCTION.
R4
STATE SW AND
4.
MUCKING: CONTRACTOR SHALL COORDINATE WITH OWNER AND THEIR GEOTECHNICAL
01.13.17
NCDOT COMMENTS
MLV
REPRESENTATIVE TO COORDINATE REMOVAL OF ANY SOFT AREAS.
5.
DISPOSAL: CLEARED, GRUBBED, STRIPPED OR OTHER WASTE MATERIAL SHALL BE
REMOVED FROM SITE AND DISPOSED OF IN A PROPERLY PERMITTED FACILITY.
6.
FILL AND COMPACTION SHOULD COMPLY WITH GEOTECHNICAL REPORT.
7.
THE CONTRACTOR SHALL NOTE THAT THE GRADING PLAN MAY NOT REPRESENT`A BALANCED
EARTHWORK CONDITION. THE CONTRACTOR SHALL BE RESPONSIBLE FOR CUT AND
FILL QUANTITIES AND COMPLETE INSTALLATION TO SPECIFIED GRADES.
8.
THE CONTRACTOR SHALL FURNISH SUITABLE BORROW MATERIAL FROM AN OFF -SITE
PROPERLY PERMITTED FACILITY AS REQUIRED.
9.
THE CONTRACTOR IS RESPONSIBLE FOR THE LOCATION AND PROTECTION OF ALL
EXISTING UTILITIES DURING CONSTRUCTION. BEFORE COMMENCING ANY EXCAVATIONS
IN OR ALONG ROADWAYS OR RIGHT-OF-WAYS, PUBLIC AREAS OR IN PRIVATE
EASEMENTS, THE CONTRACTOR SHALL NOTIFY ALL APPROPRIATE PERSONNEL OF
THEIR INTENT TO EXCAVATE, IN WRITING, NOT LESS THAN 10 DAYS PRIOR TO EXCAVATING.'
10.
THE CONTRACTOR SHALL BE RESPONSIBLE TO COORDINATE DISCONNECTION/
RECONNECTION AND/OR THE RELOCATION OF ALL EXISTING UTILITIES WITH
APPROPRIATE PERSONNEL.
11.
EXISTING SURVEYING SUPPLIED BY THE OWNER.
12.
THE CONTRACTOR SHALL FIELD VERIFY ALL DIMENSIONS AT THE SITE. FURTHERMORE
THE CONTRACTOR SHALL REPORT ALL DISCREPANCIES OR QUESTIONS TO THE ENGINEER
PRIOR TO INSTALLATION.
13.
THE CONTRACTOR SHALL PROVIDE ANY AND ALL LAYOUT REQUIRED TO CONSTRUCT
HIS WORK UNLESS OTHERWISE DIRECTED BY OWNER.
14.
ALL PVC UTILITY MAINS SHALL BE INSTALLED WITH A MINIMUM OF 36" COVER
AT FINAL GRADE.
15.
ALL SERVICE CONNECTIONS SHALL BE INSTALLED TO MEET ALL LOCAL AND STATE CODES.
METERS, TAPS, MATERIALS, WORKMANSHIP AND ALL FEES SHALL BE THE RESPONSIBILITY
OF THE CONTRACTOR AND SHALL COMPLY WITH ALL REQUIREMENTS.
16.
ALL PAVEMENT, BASE AND SUBGRADE SHALL CONFORM TO NCDOT STANDARDS INCLUDING
WORKMANSHIP, MATERIALS AND EQUIPMENT. APPROPRIATE BARRICADES, SIGNS, LIGHTS
OR OTHER TRAFFIC CONTROL DEVICES SHALL BE PROVIDED IN ACCORDANCE WITH NCDOT
TO MAINTAIN SAFETY AND TWO WAY TRAFFIC.
17.
ALL AREAS SHALL BE GRADED FOR POSITIVE DRAINAGE. THE CONTRACTOR SHALL REPORT
ANY DISCREPANCIES TO THE ENGINEER PRIOR TO INSTALLATION. ALL AREAS' SHALL BE
SLOPED TO DRAIN AWAY FROM BUILDINGS AT ALL TIMES.
18.
CONCRETE STORM DRAINAGE PIPE SHALL BE CLASS III WITH RUBBER GASKETED JOINTS
AND INSTALLED IN ACCORDANCE WITH MANUFACTURER'S REQUIREMENTS.
19.
USE WHITE LANE MARKING PAINT FOR ALL PAVEMENT MARKINGS. PAINT SHALL BE A
CHLORINATED RUBBER ALKYD, FS TT-P-115, TYPE III, FACTORY MIXED, QUICK DRYING,
NON BLEEDING. REFLECTIVE MATERIAL MAY BE ADDED AT OWNER'S OPTION FOR
NIGHT REFLECTING.
20.
DUCTILE IRON SHALL BE CLASS 50.
21.
CONCRETE FOR WALKS, CURBS AND DRIVES SHALL HAVE A MINIMUM COMPRESSIVE
STRENGTH OF 3000 PSI @ 28 DAYS - AIR ENTRAINED.
22.
FIELD TESTING SHALL BE DONE BY AN INDEPENDENT TESTING LABORATORY PAID FOR
BY THE OWNER. FURTHER TESTING REQUIRED DUE TO A FAILED TEST WILL BE
PAID FOR BY THE CONTRACTOR.
23.
SEE GEOTECHNICAL REPORT NO. DATED -------- BY
z_____
FOR ADDITIONAL REQUIREMENTS,
H
CONSTRUCTION SEQUENCE
F--�
1.
NO CUT SLOPE OR FILL SLOPE SHALL EXCEED A RISE OR FALL OF ONE 'FOOT FOR
Q
EVERY RUN OF 3 FEET (1 VERTICAL TO 3 HORIZONTAL).
2.
NO SEDIMENT WILL BE ALLOWED. TO EXIT THE SITE. ALL EROSION SHALL BE CONTROLLED
INCLUDING SIDE SLOPES DURING AND AFTER CONSTRUCTION.
.�
3.
INSTALL PRIMARY EROSION CONTROL MEASURES BEFORE BEGINNING CONSTRUCTION INCLUDING
BUT NOT LIMITED TO GRAVELED CONSTRUCTION ENTRANCE, SILT FENCE, CHECK DAMS, ETC.
INSTALL ALL SECONDARY EROSION CONTROL MEASURES AS SOON AS POSSIBLE AFTER BEGINNING
NPDES GROUND STABILIZATION CRITERIA 4
CONSTRUCTION.
ALL EROSION CONTROL MEASURES H RIN.
TOARE ETO CCLEANED TED EWHENC
SILT FENCE AND INLET PROTECTION BE 0.5AFEET' OF SEDIMENT HAVE
2-1/2 GA. o
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EDIATE WIRES
W
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STEEL POST
WIRE FABRIC
FILTER FABRIC
I \-ANCHOR
DIRECTED RBY SENGINEER
1
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NOTES:
1. FENCE FABRIC SHALL BE A MIN. OF 32" IN WIDTH AND
SHALL HAVE A MIN. OF SIX LINE WIRES WITH 12" STAY
SPACING.
2. FABRIC SHALL BE FOR EROSION CONTROL AND MIN. OF
36" IN WIDTH. FABRIC SHALL BE FASTENED
ADEQUATELY TO THE WIRE FABRIC AS DIRECTED BY THE
ENGINEER.
3. STEEL POST SHALL BE 5'-0" IN HEIGHT AND BE OF THE
SELF -FASTENER STEEL ANGLE TYPE.
TEMPORARY SILT FENCE
110
JG TREE
3' MIN. STAKE
-HEIGHT ABOVE
GRADE
NOTE:
TREES TO BE SAVED WILL BE CLEARLY MARKED PRIOR TO CONSTRUCTION AND A
PROTECTIVE BARRIER IS TO BE INSTALLED AT THE DRIPLINE.
DRIP LINE - THE AREA OF SOIL DIRECTLY BENEATH THE TREE EXTENDING OUT TO
THE TIPS OF THE OUTERMOST BRANCHES.
ETHOD OF TREE PROTECTION DURING CONSTRUC
NOT TO SCALE
TOP OF
or,"; k® _ ,MI
SITE AREA
STABIUZATION
STABIUZA71ON
DESCRIPTION
TIMEFRAME
TIMEFRAME
PERIMETER
7 DAYS
NONE
DIKES, SWALES,
DITCHES
AND SLOPES
HIGH QUALITY
7 DAYS
NONE
WATER (HOW)
ZONES
SLOPES
7 DAYS
IF SLOPES ARE 10 OR
STEEPER
LESS IN LENGTH AND
THAN 3:1
ARE NOT STEEPER
THAN 2:1, 14 DAYS
ARE ALLOWED.
SLOPES 3:1
14 DAYS
7 DAYS FOR SLOPES
OR FLATTER
GREATER THAN 50
FEET IN LENGTH
ALL OTHER
14 DAYS
NONE (EXCEPT FOR
AREAS WITH
PERIMETERS AND HOW
SLOPES
ZONES)
FLATTER THAN
4:1
ACCUMULATED IN FRONT OF THE DEVICE OR WHEN THEY LEAK OR FAIL. SEDIMENT TRAPS ARE
na
CLEANED OUT AS STATED OR WHEN HALF FULL,
W
5.
IF APPLICABLE, CONSTRUCT PROPOSED RETENTION POND TO ACT AS A SEDIMENT BASIN
O
DURING CONSTRUCTION. REMOVE ACCUMULATION OF SILT AS REQUIRED TO ALLOW PROPER
z
FUNCTIONING. RESTORE POND TO DESIGN LEVELS AT THE COMPLETION OF CONSTRUCTION.
W
6.
IF APPLICABLE, INSTALL DROP INLETS WITH INLET PROTECTION TO ACT AS SILT TRAPS
E-4
DURING CONSTRUCTION. REMOVE ACCUMULATED SILT AS NEEDED TO PREVENT SILT FROM
0
..
ENTERING STORM DRAIN PIPING.
Z
7.
A 4" LAYER OF TOPSOIL SHALL BE APPLIED TO ALL NEW AREAS TO BE GRASSED.
8.
MAINTAIN ALL EROSION CONTROL MEASURES UNTIL PROJECT IS COMPLETE.
A
O
9.
MORE STRINGENT MEASURES MAY BE REQUIRED TO HALT EROSION IF THOSE ON THIS
PLAIN PROVE TO BE LESS EFFECTIVE.
10.
REMOVE ALL TEMPORARY EROSION CONTROL MEASURES UPON COMPLETION OF CONSTRUCTION.
ALL PERMANENT MEASURES SHALL BE WELL ESTABLISHED PRIOR TO PROJECT COMPLETION.
z
IAINTENANCE
PLAN
1.
ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CHECKED FOR STABILITY AND
OPERATION FOLLOWING EVERY RUNOFF -PRODUCING RAINFALL, BUT IN NO CASE, LESS THAN
W
2.
ONCE EVERY WEEK AND WITHIN 24 HOURS OF EVERY HALF INCH RAINFALL.
W
H
ALL POINTS OF EGRESS WILL HAVE CONSTRUCTION ENTRANCES THAT WILL BE PERIODICALLY
La
TOP -DRESSED WITH AN ADDITIONAL 2 INCHES OF #4 STONE TO MAINTAIN PROPER DEPTH.
1�
THEY WILL BE MAINTAINED IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM LEAVING
•
THE SITE. IMMEDIATELY REMOVE OBJECTIONABLE MATERIAL SPILLED, WASHED OR TRACKED
ONTO THE CONSTRUCTION ENTRANCE OR ROADWAYS.
3.
SEDIMENT WILL BE REMOVED FROM HARDWARE CLOTH AND GRAVEL INLET PROTECTION, BLOCK
•
AND GRAVEL INLET, ROCK DOUGHNUT INLET PROTECTION AND ROCK PIPE INLET PROTECTION
1:111.4
�1
WHEN THE DESIGNED STORAGE CAPACITY HAS BEEN HALF FILLED WITH SEDIMENT. ROCK WILL
Q
BE CLEANED OR REPLACED WHEN THE SEDIMENT POOL NO LONGER DRAINS AS DESIGNED.
�1
DEBRIS WILL BE REMOVED FROM THE ROCK AND HARDWARE CLOTH' TO ALLOW PROPER
0
)
DRAINAGE. SILT SACKS WILL BE EMPTIED ONCE A WEEK AND AFTER EVERY RAIN EVENT.0
C
SEDIMENT WILL BE REMOVED FROM AROUND BEAVER DAMS, DANDY SACKS AND SOCKS
NOTE: PROVIDE GROUND STABILIZATION IN ALL AREAS ONCE A WEEK AND AFTER EVERY RAIN EVENT.
OUTSIDE OF THE PAVEMENT TO THE LIMITS OF 4• DIVERSION DITCHES WILL BE CLEANED OUT IMMEDIATELY TO REMOVE SEDIMENT OR OBSTRUCTIONS Z I~
FROM THE FLOW AREA. THE DIVERSION RIDGES WILL ALSO BE REPAIRED. SWALES MUST BE
DISTURBANCE PER THE NPDES CRITERIA. TEMPORARILY STABILIZED WITHIN 21 CALENDAR DAYS OF CEASE OF ANY PHASE OF ;�
ACTIVITY ASSOCIATED WITH A SWALE. 0
5. SEDIMENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN IT BECOMES HALF FILLED.
THE SEDIMENT FENCE WILL BE REPAIRED AS NECESSARY TO MAINTAIN A BARRIER. STAKES MUST ram, (tS
BE STEEL, STAKE SPACING WILL BE 6 FEET MAX. WITH THE USE OF EXTRA STRENGTH
FABRIC, WITHOUT WIRE BACKING. STAKE SPACING WILL BE 8 FEET MAX. WHEN STANDARD p r-1
STRENGTH FABRIC AND WIRE BACKING ARE USED. IF ROCK FILTERS ARE z O co
DESIGNED AT LOW POINTS IN THE IN THE SEDIMENT FENCE THE ROCK WILL BE REPAIRED � cc
OR REPLACED IF IT BECOMES HALF FULL OF SEDIMENT, NO LONGER DRAINS AS DESIGNED LO LO
OR IS DAMAGED. O 1 1
6. SEDIMENT WILL BE REMOVED FROM SEDIMENT TRAPS WHEN THE DESIGNED STORAGE CAPACITY HAS Z co CO
BEEN HALF FILLED WITH SEDIMENT. THE ROCK WILL BE CLEANED OR REPLACED WHEN
THE SEDIMENT POOL NO LONGER DRAINS OR WHEN THE ROCK IS DISLODGED. BAFFLES Z�
WILL BE REPAIRED OR REPLACED IF THEY COLLAPSE. TEAR, DECOMPOSE OR BECOME W�
INEFFECTIVE. THEY WILL BE REPLACED PROMPTLY. SEDIMENT WILL BE REMOVED WHEN Z-
0 DEPOSITS REACH HALF THE HEIGHT OF THE 1ST BAFFLE: FLOATING SKIMMERS WILL BE -0 0 0 0 5
aci- INSPECTED WEEKLY AND WILL BE KEPT CLEAN. N W
7. SEDIMENT WILL BE REMOVED FROM THE SEDIMENT BASIN WHEN THE DESIGN STORAGE CAPACITY HAS az
BEEN HALF FILLED WITH SEDIMENT. ROCK WILL BE CLEANED OR REPLACED WHEN THE SEDIMENT r�
POOL NO LONGER DRAINS OR IF THE ROCK IS DISLODGED. BAFFLES WILL BE REPAIRED OR �••�� �-�
REPLACED IF THEY TEAR, DECOMPOSE OR BECOME INEFFECTIVE. THEY WILL BE REPLACED O NZ
PROMPTLY. SEDIMENT WILL BE REMOVED FROM BAFFLES WHEN DEPOSITS REACH HALF �, O
THE HEIGHT OF THE 1ST BAFFLE. FLOATING SKIMMERS WILL BE INSPECTED WEEKLY AND a
WILL BE KEPT CLEAN.
8. ALL SEEDED AREAS WILL BE FERTILIZED, RESEEDED AS NECESSARY, AND MULCHED ACCORDING
TO SPECIFICATIONS IN THE VEGETATIVE PLAN TO MAINTAIN- A VIGOROUS, DENSE
VEGETATIVE COVER. ALL SLOPES WILL BE STABILIZED WITHIN 21 CALENDAR DAYS. ALL
OTHER AREAS WILL BE STABILIZED WITHIN 15 WORKING DAYS.
9. FLOCCULATES WILL BE USED TO ADDRESS TURBIDITY ISSUES. THE PUMPS, TANKS, HOSES AND
INJECTION SYSTEMS WILL BE CHECKED FOR PROBLEMS OR TURBID 'DISCHARGES DAILY,
1(
SITE POLLUTANTS NOTES
1. LOCATE AREAS DEDICATED FOR MANAGEMENT OF LAND CLEARING AND DEMOLITION DEBRIS, CONSTRUCTION AND DOMESTIC WASTE, +
AND HAZARDOUS OR TOXIC WASTE. THIS LOCATION SHALL BE AT LEAST 50' AWAY FROM STORM DRAIN INLETS AND SURFACE
WATERS UNLESS IT CAN BE SHOWN THAT NO OTHER ALTERNATIVES ARE REASONABLY AVAILABLE. \\��1 I I ► I ///��/
2. DUMPING OF PAINT OR OTHER LIQUID BUILDING MATERIAL WASTES IN STORM DRAINS IS PROHIBITED. \\ C�
3. LITTER AND SANITARY WASTE -THE PERMITTEE SHALL CONTROL THE MANAGEMENT AND DISPOSAL OF LITTER AND SANITARY WASTE ���� '`N O�
FROM THE SITE. •' . • /
4. LOCATE EARTHEN -MATERIAL STOCK PILE AREAS AT LEAST 50' AWAY FROM STORM DRAIN INLETS AND SURFACE WATERS UNLESS �OFESS•
I .
IT CAN . BE SHOWN THAT NO OTHER ALTERNATIVES ARE REASONABLY AVAILABLE. �. : Q•
5. CONCRETE MATERIALS ONSITE, INCLUDING EXCESS CONCRETE, MUST BE CONTROLLED AND MANAGED TO AVOID CONTACT WITgH
SEAL -
SURFACE WATERS, WETLANDS OR BUFFERS. NO CONCRETE OR CEMENT SLURRY SHALL BE DISCHARGED FROM THE SITE.
6. ANY HARDENED CONCRETE RESIDUE WILL BE DISPOSED OF, OR RECYCLED ON SITE, IN ACCORDANCE WITH LOCAL AND TASOLID WASTE REGULATIONS. 173747. SOIL STABILIZATION SHALL BE ACHEIVED ON ANY AREA OF A SITE WHERE LAND -DISTURBING 'ACTIVITIES HAVE TEMPORARILY PERMANENTLY CEASED ACCORDING TO THE FOLLOWING SCHEDULE:i. ALL PERIMETER DIKES, SWALES, DITCHES, PERIMETER SLOPES AND ALL SLOPES STEEPER THAN 3 HORIZONTAL TO 1 VERTIvIW���
N(3:1) SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN/Cpc�EVENT WITHIN 7 CALENDAR DAYS FROM THE LAST LAND DISTURBING ACTIVITY. / RE ii. ALL OTHER DISTURBED AREAS SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVERllllll l I t,1��
AS PRACTICABLE BUT IN ANY EVENT WITHIN 14 CALENDAR DAYS FROM THE LAST LAND -DISTURBING' ACTIVITY.
8. CONDITIONS -IN MEETING THE STABILIZATION REQUIREMENTS ABOVE, THE FOLLOWING CONDITIONS OR EXEMPTIONS SHALL APPLY:
i. EXTENSIONS OF TIME MAY BE APPROVED BY THE PERMITTING AUTHORITY BASED ON WEATHER OR OTHER SITE -SPECIFIC
CONDITIONS THAT MAKE COMPLIANCE IMPRACTICABLE. DATE 10-28-15
ii. ALL SLOPES 50' IN LENGTH OR GREATER SHALL APPLY TO GROUND COVER WITHIN 7 DAYS EXCEPT WHEN THE S S DESIGN PGT
FLATTER THAN 4:1. SLOPES LESS THAN 50' SHALL APPLY GROUND COVER WITHIN 14 DAYS EXCEPT WHEN SLOPES RE S
THAN 3:1, THE 7-DAY REQUIREMENT APPLIES.
iii. ANY SLOPED AREA FLATTER THAN 4:1 SHALL BE EXEMPT FROM THE 7-DAY GROUND COVER REQUIREMENT. DRAWN EJW
iv. SLOPES 10' OR LESS IN LENGTH SHALL BE EXEMPT FROM THE 7-DAY GROUND COVER REQUIREMENT EXCEPT WHEN THE
SLOPE IS STEEPER THAN 2: 1.
v. ALTHOUGH STABILIZATION IS USUALLY SPECIFIED AS GROUND COVER, OTHER METHODS, SUCH AS CHEMICAL STABILIZATION, MAY
BE ALLOWED ON A CASE -BY -CASE BASIS.
vi. FOR PORTIONS OF PROJECTS WITHIN THE SEDIMENT CONTROL COMMISSION -DEFINED "HIGH QUALITY WATER ZONE" (15A NCAC
04A. 0105), STABILIZATION WITH GROUND COVER SHALL BE ACHIEVED AS SOON AS PRACTICABLE BUT IN ANY EVENT ON ALL AREAS
OF THE SITE WITHIN 7 CALENDAR DAYS FROM THE LAST LAND -DISTURBING ACT.
ECEIVIE2,07
SHEET 4 OF 4
E 'A Adi 12 0 4 2

OFF SITE
404 WETLAND
0.03 AC.f
1,245 S.F.
10' DRAINAGE AND ACCESS EASEMENT
(TYP. ALL AROUND INFILTRATION BASIN)
DOUGLAS N. & SHARON F. HAGGETT
BOOK 1734, PAGE 50
APPROX. LOCATION OF -
INFILTRATION BORE TEST #1
EXISTING GRADE EL. 20.0
SHWT DEPTH: 8.5 FEET
SHWT EL. 11.5
18" FES W/5'x5'x 12"ED \
INV 15.0
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(SEE DETAIL)
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JAMES GILLESPIE
BOOK 1136, PAGE 1273
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REVISIONS
No
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DATE 10-10-16
DESIGN PGT
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SHEET 1 OF 1
12042