SW6240102_Plansheet - Grading/Drainage Plan_20240507

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GROUND STABILIZATION CHART 4Dsite
SITE AREA STABILIZATION STABILIZATION TIME N solutions
s DESCRIPTION TIME FRAME FRAME EXCEPTIONS
F� AS CONSTRUCTION SEQUENCE
'� lL PERIMETER DIKES, C, 9 �0
SWALES, DITHCES 7 DAYS NONE �A���9 00 1. OBTAIN ALL NECESSARY PERMITS AND APPROVALS AND HOLD civil engineering I land surveying
AND SLOPES �& �2 PRE CONSTRUCTION CONFERENCE. 409 Chicago Drive,Suite 112,Fayetteville,NC 28306
HIGH QUALITY WATER 2�77)�O 6Q 2. INSTALL STONE CONSTRUCTION ENTRANCE AND TEMPORARY SILT office1910-426-6777 fax[phone] license number I C-2354
7 DAYS NONE 83 FENCE WHERE SPECIFIED. www.4Dsitesotutions.com
(HQW) ZONES FA7r Q 3. CONSTRUCT INFILTRATION BASIN.
IF SLOPES ARE 10' OR n I 4. CLEAR AND GRUB THE SITE AS NEEDED.
7 DAYS
SLOPES STEEPER LESS IN LENGTH AND ARE 5. ROUGH GRADE THE SITE AND APPLY TEMPORARY SEEDING TO
THAN 3:1 NOT STEEPER THAN 2:1, I AREAS REMAIN GRASSED.
SITE * 14 DAYS ARE ALLOWED 6. INSTALL UTILITIES.
7-DAYS FOR SLOPES 7. PERFORM FINE GRADING.SLO
FLATTERES 3:1 OR 14 DAYS GREATER THAN N LENGTH
FEET I I 9. PAVE8. LL AND ROADWAYSEANDE BASE PARKINGOURSE.LOTS. ♦�A` CARq����j�
NONE N 10. FERTILIZE, SEED AND MULCH ALL REMAINING DISTURBED AREAS. `��OQ;•'FESS/ *•.• ��
ALL OTHER AREAS v I 11. UPON SITE STABILIZATION, SEEK NCDEQ APPROVAL TO REMOVE :�� �: i
WITH SLOPES FLATTER 14 DAYS (EXCEPT FOR ALL TEMPORARY MEASURES. 'Q <
THAN 4:1 PEHQW ZONES)RIMETERS D ���/L�/F /� , I / \ i 12. COMPLETE EXCAVATION OF THE INFILTRATION BASIN AND - SEA
p� �/ /Q tic yo J I RESHAPE TO DESIGN DIMENSIONS. 02 4
o S9 ����� / / J I / 13. ALL EROSION CONTROL MEASURES SHALL BE MAINTAINED AS • �`
z �p ST S / / OUTLINED IN THE DETAILS WITHIN THE PLANS AND ACCORDING O ����VVVGI NE ..0
OfC \ I 1 TO THE NCDEQ EROSION CONTROL MANUAL. 'I���S'CO•••••8� `��♦♦
z
NORTH TEMPORARY SKIMMER BASIN #1 J I � 0 r „24/
L=104', W=52', D=3' U v./ G
SIDE SLOPES= 3:1
SILT FENCE
VICINITY MAP TOP OF BASIN: : 232.' RIP RAP DISSIPATER OUTLET , F/
BOTTOM OF BASIN: 232.10' 9C �
/� L=3' W=1'/3' 10' EMERGENCY SPILLWAY �,
NOT TO SCALE 10' EMERGENCY SPILLWAY: 234.58' �., �� REVISIONS
INVERT OF SKIMMER: 232.10' / DW-8" DMnx=12" TO BE SODDED. EROSION CONTROL NOTES
7i2,, SIDE SLOPES OF BASIN ARE TO 6C Q CLASS B 18" THICK ELEV: 234.60'��
C BE SEEDED WITHIN SEVEN DAYS. - •Fo - 1. ALL INLET/OUTLET PROTECTION WILL BE CHECKED FOR MAINTENANCE
Fi I AND FAILURE EACH ACTIVE DAY ON SITE. SEDIMENT WILL BE REMOVED
**ATTACH A 1.5" FAIRCLOTH SKIMMER (OR EQUAL) S ..S SF SF SF FROM INLET PROTECTION DEVICES WHEN THE STORAGE CAPACITY HAS
WITH 1.2" ORIFICE FOR DEWATERING THE -� SF TEMPORARY SILT / BEEN APPROXIMATELY 50% FILLED. GRAVEL WILL BE CLEANED OR
1 - - - SEDIMENT BASIN DURING CONSTRUCTION. � FENCE (TYP) REPLACED WHEN THE SEDIMENT POOL NO LONGER DRAINS PROPERLY.
I TOP: 235.10 Y
SEDIMENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN
LEGEND: \ IT BECOMES ABOUT 0.5' DEEP AT THE FENCE. THE SEDIMENT FENCE
0 ECM-EXISTING CONCRETE MONUMENT
ECM t\ U a 234 23 J I WILL BE REPAIRED AS NEEDED TO MAINTAIN A PROPER BARRIER.
� / / I
EPK / 233 I 2. TEMPORARY EROSION CONTROL FACILITIES AND/OR PERMANENT
EiR
O EPK-EXISTING PK NAIL ✓ \ FACILITIES INTENDED TO CONTROL EROSION OF AND EARTH DISTURBANCE
(0 �EIR-EXISTING IRON ROD / PERMANENT INFILTRATION BASIN-1 JN j \ ( OPERATION SHALL BE INSTALLED BEFORE ANY EARTH DISTURBANCE
a COMPUTED POINT
/ / HIGH WATER: 234.95' (100 YR) I JN JN JN w 1 OPERATIONS TAKE PLACE OR AT THE EARLIEST POSSIBLE POINT DURING
�/ 234.77' (10 YR) 29 � CONSTRUCTION.
R/W - RIGHT OF WAY 232.10' (1 YR) 0 I JN JN � FOREBAY I 3. TEMPORARY & PERMANENT EROSION CONTROL MEASURES SHALL BE
N/F - NOW OR FORMERLY ) r �C \�Q TOP OF BASIN: 235.10' J BMP-01 J RIP RAP DISSIPATER I CONSTRUCTED PER THE DETAILS HEREIN, OR SHALL BE CONSTRUCTED IN
PROPERTY LINE
r / INVERT OF BASIN: 232.10' I JN a N L=8' W=4'/9' / ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENT
/ I JN JN w
-OPL- - - OLD PROPERTY LINE EMERGENCY SPILLWAY: 234.60' o D50=8" DMAX=12" CONTROL PLANNING AND DESIGN MANUAL.
r INFILTRATION RATE: 3.11 IN/HR U I BTM: 232.10 FES-3 CLASS B 18" THICK L. 4. THE CONTRACTOR MUST NOTIFY THE APPROPRIATE NCDEQ OFFICE A
ADJACENT PROPERTY LINE SHWT: 229.83' o w �X�,O o MINIMUM OF 48 HOURS PRIOR TO BEGINNING ANY LAND DISTURBING
)� J _ 234 I'\ I ACTIVITIES. 910-433-3300
RIGHT-OF-WAY // 1 LL o 0
INFILTRATION BASIN IS TO BE USED AS AN r N � _� INV: 239.80'� 1� 5. REMOVE ALL SOILS AND SEDIMENTS TRACKED OR OTHERWISE DEPOSITED
- - - - - SETBACK LINE r� / eo � I ONTO PUBLIC AND PRIVATE PAVEMENT AREAS. REMOVAL SHALL BE ON
ss SANITARY SEWER LINE C CONSTRUCTIONRTHENECONVERTEDOTO AN -�+ SF ( I TEMPORARY CONSTRUCTION A DAILY BASIS WHEN TRACKING OCCURS.
O �• �] ENTRANCE 6. LOCATE SOIL STOCKPILES NO LESS THAN FIFTY (50) FEET FROM ANY
X FENCE LINE I INFILTRATION BASIN UPON STABILIZATION > O �S 1 � 238 r
z70 MAJOR CONTOUR /- J f OF THE SITE. �OOI /� � Z�0_ 241 I 'o PUBLIC OR PRIVATE ROADWAY OR DRAINAGE CHANNEL. IF REMAINING
C'p n W FOR MORE THAN SEVEN DAYS, STABILIZE THE STOCKPILES BY
241.62 ��- p O VEGETATIVE COVER, TARPS, OR OTHER MEANS. CONTROL EROSION FROM
278 MINOR CONTOUR / / EXCAVATE TO A DEPTH OF 232.60' FOR THE J L_ J
ALL STOCKPILES BY PLACING SILT BARRIERS AROUND THE PILES.
LIGHT POLE 1 BASIN. AFTER SITE IS STABILIZED I 0 > 241.25 Xo4HP�o O TEMPORARY STOCKPILES LOCATED ON PAVED SURFACES MUST BE NO
PP EXCAVATE TO ELEV: 232.10' AND CONVERT 0 L C Z
• UTILITY POLE S THE BASIN TO THE FINAL DESIGN ��� tO LESS THAN FIVE FEET FROM THE DRAINAGE/GUTTER LINE AND SHALL BE
I I u)240.97 �� nF o CD G I COVERED IF LEFT MORE THAN 24 HOURS.
n SANITARY SEWER MANHOLE FOR THE INFILTRATION BASIN. TEMPORARY INLET ��� o C o n D I 7. MAINTAIN ALL TEMPORARY EROSION AND SEDIMENT CONTROL DEVICES IN
/ PROTECTION (TYP) DI-2 (n PLACE UNTIL THE CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED. PROJECT NAME
COVER SLOPE MATH NAG S75 I r, , ;;0 Cl) INSPECT TEMPORARY EROSION AND SEDIMENT CONTROL DEVICES ON A
EC MATTING OR EQUAL IMMEDIATELY aU-0 241.77 ,243.34 O (r- DAILY BASIS AND REPLACE DETERIORATED, DAMAGED, OR ROTTED
UPON CONSTRUCTION �OC� ��� NP�' C o EROSION CONTROL DEVICES IMMEDIATELY.
pS / 8. TEMPORARILY OR PERMANENTLY STABILIZE ALL DENUDED AREAS WHICH
NOTIFICATION OF COMBINED SELF-MONITORING AND / ✓ _ HOC 78 LF OF CL IV HAVE BEEN FINISH GRADED, AND ALL DENUDED AREAS IN WHICH
SELF-INSPECTION FORM:
�v 241.88 243 GRADING OR SITE BUILDING CONSTRUCTION OPERATIONS ARE NOT 1, 15" RCP RAEFORD
> � �
l,D S I TF S / 014 23 23g 242.84 f ' J241.92 \ Jr ACTIVELY UNDERWAY AGAINST EROSION DUE TO RAIN, WIND AND
THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN o C 23$ 4 r " INV: 240.75' o RUNNING WATER WITHIN 14 DAYS. USE SEEDING AND MULCHING, EROSION VASS ROAD
2006 TO REQUIRE THAT PERSONS RESPONSIBLE FOR �J 24� 241.73 1 CONTROL MATTING, AND/OR SODDING AND STAKING IN GREEN SPACE
LAND-DISTURBING ACTIVITIES INSPECT A PROJECT AFTER EACH -A OS _ r ee 242.50 I AREAS AND OTHERWISE APPROPRIATE MEASURES. USE EARLY
PHASE OF THE PROJECT TO MAKE SURE THAT THE APPROVED o O 242. I 24286 I \ I APPLICATION OF GRAVEL BASE ON AREAS TO BE PAVED.
EROSION AND SEDIMENTATION CONTROL PLAN IS BEING z c� �- / 9. DO NOT REMOVE ANY EROSION AND SEDIMENT CONTROL DEVICES AFTER
FOLLOWED. RULES DETAILING THE DOCUMENTATION OF THESE /INV_ 2Q38.i0' �� 242.00 O -� I I PERMANTHE OENECTED AREA T VEGETATION A AS UNDERGONE
B ENGOESTABLISH D, IT IISA RECOMMENDED MN NDED DOLLAR
INSPECTIONS TOOK EFFECT OCTOBER 1, 2010. � � \ 1
N 242.58 243.01 I I THAT NCDEQ APPROVE THE ACTION PRIOR TO REMOVAL.
TO SIMPLIFY DOCUMENTATION OF SELF-INSPECTION REPORTS ^� LIMITS OF CONSTRUCTION \ I N 242.58 / ( / 10. THE CONSTRUCTION ENTRANCE SHALL BE INSTALLED CONCURRENTLY
I243.08 1
AND NPDES SELF-MONITORING REPORTS, DWQ AND DEMLR o I 1.9 AC U a I I WITH THE INITIATION OF CONSTRUCTION ACTIVITY. GENERAL
DEVELOPED A COMBINED FORM. THE SELF-INSPECTION 1 0 > I 242.95 _: - a 11. THE INSTALLATION OF EROSION CONTROL MEASURES SHALL TAKE
PROGRAM IS SEPARATE FROM THE WEEKLY SELF-MONITORING �1 r J o 242.16 i _ PRECEDENCE OVER ALL OTHER CONSTRUCTION ACTIVITIES.
O � r � 2'' � 242.50
PROGRAM OF THE NPDES STORMWATER PERMIT FOR 242.86 '° 12. THE PERMITTEE SHALL BE HELD RESPONSIBLE FOR THE ACTIONS AND
CONSTRUCTION ACTIVITIES. THE FOCUS OF THE S J✓ Oct ` 7'' a 242 58 TW/EP- N N i PERFORMANCE OF ANY OTHER PARTIES PERFORMING WORK ON THIS
SELF-INSPECTION REPORT IS THE INSTALLATION AND / , / ��I Oc I _ rn v /c PROJECT.
MAINTENANCE OF EROSION AND SEDIMENTATION CONTROL �C, 7' " - //�^ll` I ° d N I \ 13. ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CHECKED FOR
MEASURES ACCORDING TO THE APPROVED PLAN. THE 6, 0 OPL- -� OPL -OPL- - 0 OPL- - -OPL- - -OPL- - -OPL- J -OPL- - -OPL- - I 242 36 0 �A/r V STABILITY AND OPERATION FOLLOWING EVERY RUNOFF-PRODUCING
INSPECTIONS SHOULD BE CONDUCTED AFTER EACH PHASE OF � I RAINFALL BUT IN NO CASE LESS THAN ONCE EVERY WEEK. ANY NEEDED
THE PROJECT, AND CONTINUED UNTIL PERMANENT GROUND **COORDINATE DOWNSPOUT LOCATIONS I ;" EP- M 242 91 REPAIRS WILL BE MADE IMMEDIATELY TO MAINTAIN ALL PRACTICES AS
COVER IS ESTABLISHED. THE FORM CAN BE ACCESSED AT: I I WITH ARCHITECTURAL PLANS. CONNECT I 242.46 DESIGNED.
HTTPS://WWW.DEQ.NC.GOV/ABOUT/DIVISIONS/ENERGY-MINERAL-AND- / r U DOWNSPOUTS TO 10" PVC. YI-4 \ � N 14. PURSUANT TO G.S. 113A-57(2), THE ANGLE FOR GRADED SLOPES AND
LAND-RESOURCES/STORMWATER/STORMWATER-PROGRAM/NPDES- r > a I GRATE: 242.32' FILLS SHALL BE NO GREATER THAN THE ANGLE THAT CAN BE RETAINED
CONSTRUCTION-PROGRAM N 242.34 BY VEGETATIVE COVER OR OTHER ADEQUATE EROSION CONTROL DEVICES GRADING AND
\ 246.35 LF OF 10" o INV: 240.30' - 242 g8 / OR STRUCTURES. IN ANY EVENT, SLOPES LEFT EXPOSED WILL, WITHIN 7
IF YOU HAVE QUESTIONS OR CANNOT ACCESS THE FORM, L HDPE C� 1% MIN PROPOSED BUILDING 242.52 ( OR 14 CALENDAR DAYS OF COMPLETION OF ANY PHASE OF GRADING,
PLEASE CONTACT THE FAYETTEVILLE REGIONAL OFFICE AT (910) T'Sp (76'xl40') / BE PLANTED OR OTHERWISE PROVIDED WITH TEMPORARY OR PERMANENT
433-3300. O� i9 0 10,640 SF \ GROUND COVER, DEVICES OR STRUCTURES SUFFICIENT TO RESTRAIN EROSION
`S ��� ti I� TEMPORARY DIVERSION J o FEE 243.08 242.53 / / �N ) N EROSION. PURSUANT TO G.S. 113A-57(3), PROVISIONS FOR PERMANENT
GRADING NOTES 09 T y ` BERM (TYP) YI-5 GROJ ( I I J FORUALDL DIOVER STURBEDFICIENT TO AREAS WITHIN TAI4 WORKINON MUST BE G DAYS OR 90CCOA CALENDAR
.0C O� TO BE SEEDED WITHIN GRATE: 242.32' I -243 20 CONTROL PLAN
1. ALL ELEVATIONS SHOWN ARE IN REFERENCE TO THE J �F 7 DAYS U I INV: 239.80' 242.16 I DAYS (WHICHEVER IS SHORTER) FOLLOWING COMPLETION OF
BENCHMARK AND MUST BE VERIFIED BY THE GENERAL 1� S \ > 0 242.86 ,
CONSTRUCTION DEVELOPMENT.
CONTRACTOR.ALL SPOT ELEVATIONS ARE TO THE FINISHED ) o 242.95 TW p 15. CONTRACTOR IS RESPONSIBLE FOR INSTALLING ALL EROSION CONTROL
GRADE OF THE CURB, UNLESS OTHERWISE NOTED. 0 I 242.45 p 242.36
�� 241.95 MEASURES SHOWN AND ANY ADDITIONAL MEASURES REQUIRED TO
I CONTROL THE SEDIMENT DURING THE COURSE OF CONSTRUCTION.
2. ALL SIDEWALKS AND PEDESTRIAN WALKING SURFACES `7 I o 242 45 TW/EP
p, 107.5 LF OF 6" `� � 16. ALL SEEDED AREAS WILL BE FERTILIZED, RESEEDED AS NECESSARY, AND
SHALL HAVE A CROSS SLOPE NO STEEPER THAN 2% AND U I 242.58\ I 242.36 ry HDPE 0 1% MIN I MULCHED ACCORDING TO THE DETAILS HEREIN.
LONGITUDINAL SLOPE NO STEEPER THAN 5%. o > I 7 242 50 TW/EP 242 43 17. THE CONTACT PERSON FOR EROSION CONTROL ISSUES THAT ARISE ON
3. THE CONTRACTOR SHALL ASSUME RESPONSIBILITY FOR ALL ( o i I 241.98 C, ,
/ = YI-6 �'' 1 242 95 Li I SITE IS MATT TAGGART. CONTACT 910-944-0881. CLIENT
LAND DISTURBING ACTIVITIES AND ENSURE COMPLIANCE 0 / 7'' F7 _ C
WITH THE APPROVED EROSION AND SEDIMENTATION GRATE: 241.90' nj 243.08 L-242.95 oe - - 0P' - -241.51 - OPL A
CONTROL PLAN. THE CONTRACTOR SHALL INSPECT AND SHED r / J INV: 239.80'24 G 242.86 241 99 I
V 243.03 , TW 1
DEBRISMAINTAIN ALL LEAVINGRTHEOSITEONTROL DEVICES AND ON NEIGHBORING ROADS.
ANY / O �J 24258 g DI-1 241.75 244 I L RHETSON
O OC
"= a ="- � I LOC L �
4. EXISTING GROUND UPON WHICH FILL OR BASE IS TO BE INV: 240.00' 243 _ �; 242.86 91.5 LF OF 6"
PLACED SHALL BE CLEARED OF WEEDS, DEBRIS, TOPSOIL, _ _ �TW/ HDPE 0 1% MIN �,�, ' 001
AND ALL OTHER DELETERIOUS MATERIALS; NO FILL SHALL o 0 > l •�1.. - �001 COMPANIES, INC.
BE PLACED UNTIL PREPARATION OF THE EXISTING GROUND `� I J o 243.03 242 40/ i 242.36 i O /1/ 3
HAS BEEN COMPLETED 242.86 242.36 EP/ & 2 '�
5. PROTECTIVE MEASURES SHALL BE TAKEN BY THE / �242.77 TW EP / ao T 2 AD ? I
CONTRACTOR AND THE OWNER TO PROTECT ADJACENT / (p I I 242.85 242.61 _" _/ I -- -- 241.94 `�9 OJ
PROPERTY, THE PUBLIC AND UTILITIES DURING GRADING Q U _�__- -�� I 7242.11 3 91%
OPERATIONS. THE CONTRACTOR ASSUMES ALL LIABILITY FOR o > l tiR
THE UNDERGROUND UTILITY PIPES, CONDUITS, OR i �` qA/ \ o J o 242.88 242.74 242.38 �a5
STRUCTURES, WHETHER SHOWN OR NOT ON THE PLAN � �CF�� 242
T AND BELOW GROUND 96
6. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO VERIFY TFQ I 243 74 \ �, 2075 Juniper Lake Road
HE LOCATION OF ALL UTILITIES OR STRUCTURES ABOVE 1 243.03 I I N West End North Carolina 27376
SHOWN OR NOT SHOWN ON THESE / U 242.77
PLANS. THEY WILL BE HELD RESPONSIBLE FOR ALL DAMAGE 0 244.29 243.33 243 Phone: [phone]
TO ANY UTILITIES OR STRUCTURES CAUSED BY HIS \ / 244
OPERATION. m 1
7. ALL CUT AND FILL SLOPES SHOULD BE INVESTIGATED BOTH I �� 1244 33___� 244 \
DURING AND AFTER GRADING BY THE CONTRACTOR TO / U
DETERMINE IF ANY SLOPE STABILITY PROBLEMS EXIST. IF IT S� [ ✓ Z �/ j > 245 - \ 246 - �o'` l \
IS DETERMINED THAT THERE IS A SLOPE STABILITY ti A �7 o PROJECT INFORMATION
N PROBLEM THE ENGINEER OF RECORD SHOULD BE NOTIFIED. 7 SS Cif 2'. Fj 7,, r 'r� I 't�
8. STOCKPILE AREAS THAT WILL EXCEED 10' IN HEIGHT c G�9S7' j0) y Oct FiQ \ / 246 �027 F02� 00^
SHOULD BE GRADED WITH 3:1 SLOPES AND SURROUNDED O 62 -/) _ _ _ _ _ _ _
N BY SILT FENCE. ��0/tiq 9A0 1 001 O1 0 DESIGNED BY: SCOTT
9. APPROVED COPIES OF THE GRADING AND EROSION CONTROL 7) O o r
PLANS SHALL BE ON THE PERMITTED SITE WHILE WORK IS 83 O 001 / DRAWN BY: SCOTT
IN PROGRESS.
6 10. ALL EXISTING DRAINAGE COURSES THROUGH THIS SITE **ENTRANCE SHALL NOT BE USED FOR CONSTRUCTION _ _� N CHECKED BY: CHRIS
TION SUCH THAT THEY CAN TRAFFIC.
TRANSPORT THE SHALL REMAIN NNATURAL I DRAINAGE UNTIL FACILITIES TO 1 �, ^� �~ "` PROJECT NUMBER: 2019
3 HANDLE THE STORM WATER ARE CONSTRUCTED. THE CA
CONTRACTOR SHALL BE RESPONSIBLE FOR ANY DAMAGE
(D DUE TO OBSTRUCTING NATURAL DRAINAGE PATTERNS.
0 11. ANY DEVIATION FROM THE APPROVED GRADING PLAN cA cA US 401 (FAYETTEVILLE ROAD) cA \ L DRAWING SCALE
SHOULD BE REPORTED TO THE ENGINEER OF RECORD PRIOR `-� 60' PUBLIC R W `n
N TO IMPLEMENTATION OF THE CHANGE.
0 12. ALL SLOPES 3:1 OR STEEPER THAT EXTEND TEN FEET OR - HORIZONTAL: 1"=30'
o MORE SHALL BE LINED WITH NORTH AMERICAN GREEN S75
TEMPORARY EROSION CONTROL BLANKET OR EQUAL
SUBSTITUTE.
DATE RELEASED
*DO NOT COMPACT THE BOTTOM
® �F THE BASIN.
� GRAPHIC SCALE
MECHANICAL �/ �9 /
-moo EQU PMENT SHALL
BASIN BOTTOM.BE USED \ LOT 2Q 2J / 30 0 15 30 60 120
**CONTRACTOR IS RESPONSIBLE FOR 2A2`S6 MAY 6, 2024
PROVIDING POST CONSTRUCTION 2s
> INFILTRATION TESTING AT BOTTOM N 6
Know what's below. OF BASIN. ONE TEST MINIMUM. IN FEET SHEET NUMBER
SIDE SLOPES OF BASIN ARE 3:1 ( )
CaII before dI FROM THE TOP OF BASIN TO THE
N Y g INVERT OF THE BASIN AND ARE TO 1 inch = 30 ft.
OU .
BE SEEDED WITHIN 7 DAYS.
-30
THE CONTRACTOR MUST CONTACT NORTH CAROLINA ONE CALL CENTER AT 1 -800-632-4949 A MINIMUM OF 72 HOURS PRIOR TO DIGGING IN ORDER TO HAVE THE EXISTING UTILITIES LOCATED '