SW6240102_Plansheet - Grading/Drainage Plan_20240820

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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 0O 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�>>J�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 FAfr Q 3. CONSTRUCT INFILTRATION BASIN.
IF SLOPES ARE 10' OR n I 4. CLEAR AND GRUB THE SITE AS NEEDED.
SLOPES STEEPER LESS IN LENGTH AND ARE 5. ROUGH GRADE THE SITE AND APPLY TEMPORARY SEEDING TO
7 DAYS
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 .•'�
OfC \ I 1 TO THE NCDEQ EROSION CONTROL MANUAL. 'I���S'CO•••••8� `��♦♦
z
NORTH TEMPORARY SKIMMER BASIN #1 J I Ug..2U„241
L=104', W=52', D=3' v
SIDE SLOPES= 3:1
SILT FENCE
VICINITY MAP TOP OF BASIN: : 232.' RIP RAP DISSIPATER OUTLET
BOTTOM OF BASIN: 232.10'
�� L=3' W=1'/3' 10' EMERGENCY SPILLWAY �,
NOT TO SCALE 10' EMERGENCY SPILLWAY: 234.58' �., �� REVISIONS
INVERT OF SKIMMER: 232.10' /7 DW-8" DMnx=12" TO BE SODDED. EROSION CONTROL NOTES
�i2,, 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
ECM ECM-EXISTING CONCRETE MONUMENT 0 / t� U I a 234 23 A I J I WILL BE REPAIRED AS NEEDED TO MAINTAIN A PROPER BARRIER.
�' r l 233 GABION WALL 2. TEMPORARY EROSION CONTROL FACILITIES AND/OR PERMANENT
EPKO EPK-EXISTING PK NAIL / ✓ / FACILITIES INTENDED TO CONTROL EROSION OF AND EARTH DISTURBANCE
EIR a l- . PERMANENT INFILTRATION BASIN-1 ❑ JN JN N TOP: 23.10' OPERATION SHALL BE INSTALLED BEFORE ANY EARTH DISTURBANCE
O EIR-EXISTING IRON ROD � � INV: 232.10' -
HIGH WATER: 234.95' (100 YR) JN JN w OPERATIONS TAKE PLACE OR AT THE EARLIEST POSSIBLE POINT DURING
o COMPUTED POINT / �/ 234.77' (10 YR) I I 23s , CONSTRUCTION.
R/W - RIGHT OF WAY 232.10' (1 YR) 0 I JN JN dN FOREBAY �I 3. TEMPORARY & PERMANENT EROSION CONTROL MEASURES SHALL BE
N/F - NOW OR FORMERLY ) r �C \�Q TOP OF BASIN: 235.10' BMP-01 J RIP RAP DISSIPATER I CONSTRUCTED PER THE DETAILS HEREIN, OR SHALL BE CONSTRUCTED IN
r / INVERT OF BASIN: 232.10' I JN JN JN a N L=8' W=4'/9' / ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENT
PROPERTY LINE / I w
-OP - - - OLD PROPERTY LINE EMERGENCY SPILLWAY: 234.60' o D50=8" DM 12" CONTROL PLANNING AND DESIGN MANUAL.
r INFILTRATION RATE: 3.11 IN/HR I BTM: 232.10 FES-3 CLASS B 18" THICK L. 4. THE CONTRACTOR MUST NOTIFY THE APPROPRIATE NCDEQ OFFICE A
ADJACENT PROPERTY LINE f SHWT: 229.83' O i w � \,O�' 0 MINIMUM OF 48 HOURS PRIOR TO BEGINNING ANY LAND DISTURBING
RIGHT-OF-WAY I > J �- / � LL - 234 � o I� o n I ACTIVITIES. 910-433-3300
r to x INV: 239.80 1� 5. REMOVE ALL SOILS AND SEDIMENTS TRACKED OR OTHERWISE DEPOSITED
INFILTRATION BASIN IS TO BE USED AS AN ONTO PUBLIC AND PRIVATE PAVEMENT AREAS. REMOVAL SHALL BE ON
- SETBACK LINE / EROSION CONTROL MEASURE THROUGH n �• \
ss SANITARY SEWER LINE r C CONSTRUCTION THEN CONVERTED TO AN SF ( I TEMPORARY CONSTRUCTION A DAILY BASIS WHEN TRACKING OCCURS.
INFILTRATION BASIN UPON STABILIZATION 00 �S z38 0�0 -�� C r ENTRANCE 6. LOCATE SOIL STOCKPILES NO LESS THAN FIFTY (50) FEET FROM ANY
X FENCE LINE f > 17 Zao_ Zap 1 0 PUBLIC OR PRIVATE ROADWAY OR DRAINAGE CHANNEL. IF REMAINING
270 MAJOR CONTOUR ( OF THE SITE. �OOI co�� I Cc�j t7 0-) W FOR MORE THAN SEVEN DAYS, STABILIZE THE STOCKPILES BY
2 H.62 O 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 o > 241.25 �o4HP�o � O TEMPORARY STOCKPILES LOCATED ON PAVED SURFACES MUST BE NO
PP EXCAVATE TO ELEV: 232.10' AND CONVERT � 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 G I COVERED IF LEFT MORE THAN 24 HOURS.
SANITARY SEWER MANHOLE FOR THE INFILTRATION BASIN. TEMPORARY INLET ��� o�� C o D I 7. MAINTAIN ALL TEMPORARY EROSION AND SEDIMENT CONTROL DEVICES IN
/ PROTECTION (TYP) DI-2 4 Cn PLACE UNTIL THE CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED. PROJECT NAME
COVER SLOPE MATH NAG S75 a 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 \� �Y_�'HP-' C EROSION CONTROL DEVICES IMMEDIATELY.
/ pS / 8. TEMPORARILY OR PERMANENTLY STABILIZE ALL DENUDED AREAS WHICH
NOTIFICATION OF COMBINED SELF-MONITORING AND / J _ VOC \`I 241.88 - 2q3 78 LF OF CL IV HAVE BEEN FINISH GRADED, AND ALL DENUDED AREAS IN WHICH
SELF-INSPECTION FORM: SIT 23� �`J 15" RCP GRADING OR SITE BUILDING CONSTRUCTION OPERATIONS ARE NOT RAEFORD
�O F S, / D\\1 23g 242.84 241.92 r- 1 ACTIVELY UNDERWAY AGAINST EROSION DUE TO RAIN, WIND AND
THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN 0 C 3s - - 0 RUNNING WATER WITHIN 14 DAYS. USE SEEDING AND MULCHING, EROSION VASS ROAD
2 "4""r "" " INV: 240.75'
2006 TO REQUIRE THAT PERSONS RESPONSIBLE FOR G Q\J 2�o CS
" "" 241.73 M 242 50 �0 CONTROL MATTING, AND/OR SODDING AND STAKING IN GREEN SPACE
LAND-DISTURBING ACTIVITIES INSPECT A PROJECT AFTER EACH -A � r AREAS AND OTHERWISE APPROPRIATE MEASURES. USE EARLY
PHASE OF THE PROJECT TO MAKE SURE THAT THE APPROVED o 242 24- 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 OENET VEG TAT ON CTED AREA A AS NB ENGOESTABLISH D,NE FINAL IT IISA EOCO MN NDED DOLLAR
INSPECTIONS TOOK EFFECT OCTOBER 1, 2010. \ 1
N 242.58 243.01 I THAT NCDEQ APPROVE THE ACTION PRIOR TO REMOVAL.
TO SIMPLIFY DOCUMENTATION OF SELF-INSPECTION REPORTS LIMITS OF CONSTRUCTION \ I N 242.58 �'` i ( I 10. THE CONSTRUCTION ENTRANCE SHALL BE INSTALLED CONCURRENTLY
1243.08 1
AND NPDES SELF-MONITORING REPORTS, DWQ AND DEMLR o I 1.9 AC 0 a I I WITH THE INITIATION OF CONSTRUCTION ACTIVITY. GENERAL
DEVELOPED A COMBINED FORM. THE SELF-INSPECTION 1 O > 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 1 PRECEDENCE OVER ALL OTHER CONSTRUCTION ACTIVITIES.
O � r � 2'' � 242.50
PROGRAM OF THE NPDES STORMWATER PERMIT FOR �P l Q,, F7 I i�. I 242.86 '° 12. THE PERMITTEE SHALL BE HELD RESPONSIBLE FOR THE ACTIONS AND
CONSTRUCTION ACTIVITIES. THE FOCUS OF THE S J✓ Oct ` ''' �� a 242 58 TW/EP- N N i PERFORMANCE OF ANY OTHER PARTIES PERFORMING WORK ON THIS
SELF-INSPECTION REPORT IS THE INSTALLATION AND / , / LI Oc I _ rn v zl PROJECT.
MAINTENANCE OF EROSION AND SEDIMENTATION CONTROL ,�C, 7''� " - //�^ll` I ° N I \ 13. ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CHECKED FOR
MEASURES ACCORDING TO THE APPROVED PLAN. THE eCFiQ O OPL- -� OPL -OPL- - O OPL- - -OPL- - -OPL- - -OPL- J -OPL- - -OPL- - I 242 36 �Ar U 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 - - �1 J I **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 �R / I DESIGNED.
HTTPS://WWW.DEQ.NC.GOV/ABOUT/DIVISIONS/ENERGY-MINERAL-AND- / r v 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" 0 INV: 240.30' - 242 98 / 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"-AL)
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 FORUALD COVER L DISTURBEDFICIENT TO AREAS WITHIN
TAIN EROSION MUST BE 14 WORKING DAYS OR 90CCA CALENDAR
.00 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 0 I INV: 239.80' 242.16 Ry I DAYS (WHICHEVER IS SHORTER) FOLLOWING COMPLETION OF
2 I CONSTRUCTION DEVELOPMENT.
BENCHMARK AND MUST BE VERIFIED BY THE GENERAL 1� S \ > 0 242.86 ,
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. cn 242.45 p 242.36
�� 241.95 MEASURES SHOWN AND ANY ADDITIONAL MEASURES REQUIRED TO
2. ALL SIDEWALKS AND PEDESTRIAN WALKING SURFACES `7 I o 242 45 TW/EP
CONTROL THE SEDIMENT DURING THE COURSE OF CONSTRUCTION.
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 cD 242.58\ I 242.36 ti� HDPE 0 1% MIN I MULCHED ACCORDING TO THE DETAILS HEREIN.
LONGITUDINAL SLOPE NO STEEPER THAN 5%. OJ > I 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 -6 Li I SITE IS MATT TAGGART. CONTACT 910-944-0881. CLIENT
LAND DISTURBING ACTIVITIES AND ENSURE COMPLIANCE a / ''' Fi _ 1 C
WITH THE APPROVED EROSION AND SEDIMENTATION GRATE: 241.90' nj 243.08 L-242.95 oe - - oP' - -241.51 - oPL C A
CONTROL PLAN. THE CONTRACTOR SHALL INSPECT AND SHED r / J INV: 239.80' G 242.86 241 99 I
V 243.03 ` , TW 1
DEBRISMAINTAIN ALL LEAVINGRTHEOSITEONTROL DEVICES AND ON NEIGHBORING ROADS.AR ANY / O �J 24258 g DI-1 241.75 244 I L RHETSON
O "= a ="- � I LOC LOC�
4. EXISTING GROUND UPON WHICH FILL OR BASE IS TO BE INV: 240.00' 243 _ �; 242.86 91.5 LF OF 6" 6'
PLACED SHALL BE CLEARED OF WEEDS, DEBRIS, TOPSOIL, _ _ �TW/ HDPE ® 1% MIN �,�, ' 001
AND ALL OTHER DELETERIOUS MATERIALS; NO FILL SHALL \ vo > l •�1.. - �001 COMPANIES, INC.
BE PLACED UNTIL PREPARATION OF THE EXISTING GROUND `� I J o 243.03 242.40 i 242.36 'o O
HAS BEEN COMPLETED 242.86 242.36 EP/ � &
5. PROTECTIVE MEASURES SHALL BE TAKEN BY THE / �242.77 TW EP
CONTRACTOR AND THE OWNER TO PROTECT ADJACENT / (p I I 242.85 242.61 _/ -- --_< 241.94 9 O/
� _
PROPERTY, THE PUBLIC AND UTILITIES DURING GRADING Q 0 _ __- "-�� I 7242.11 3 91% 1
OPERATIONS. THE CONTRACTOR ASSUMES ALL LIABILITY FOR 0 > 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 24296
6. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO VERIFY TFQ I \ 2075 Juniper Lake Road
THE LOCATION OF ALL UTILITIES OR STRUCTURES ABOVE 1 243.03 24374 I I N AND BELOW GROUND SHOWN OR NOT SHOWN ON THESE / 0 242.77 West End North Carolina 27376
PLANS. THEY WILL BE HELD RESPONSIBLE FOR ALL DAMAGE 0 o 244.29 24333 243 / Phone: [phone]
.
TO ANY UTILITIES OR STRUCTURES CAUSED BY HIS \ / 244
OPERATION. 1
7. ALL CUT AND FILL SLOPES SHOULD BE INVESTIGATED BOTH 244 33� 244
DURING AND AFTER GRADING BY THE CONTRACTOR TO / c�
DETERMINE IF ANY SLOPE STABILITY PROBLEMS EXIST. IF IT S� [ ✓ Z �/ j p 245 - \ 246
¢_ IS DETERMINED THAT THERE IS A SLOPE STABILITY
PROJECT INFORMATION
N PROBLEM THE ENGINEER OF RECORD SHOULD BE NOTIFIED.
8. STOCKPILE AREAS THAT WILL EXCEED 10' IN HEIGHT C,G�93/'SO) y Oct FiQ \ / 246 �02i F02� 00^
N SHOULD BE GRADED WITH 3:1 SLOPES AND SURROUNDED O
BY SILT FENCE. ��p�tiq 9Q O - 1 001 01 0 DESIGNED BY: SCOTT
9. APPROVED COPIES OF THE GRADING AND EROSION CONTROL 'J IDo
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
TRAFFIC.
SHALL REMAIN ASUCH THAT THEY CAN
TRANSPORT THENNATURALITION DRAINAGE UNTIL FACILITIES TO \ �, ^� �~ "` 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.U PMENT HAL� MECHANICAL BE USED �9 /
-moo EQLONG BASIN BOTTOM. \ LO AUGUST 20, 2024
T 2Q 2J / 30 0 15 GRAPHIC SCALE 120
**CONTRACTOR IS RESPONSIBLE FOR ?
PROVIDING POST CONSTRUCTION 2�2 S6
> INFILTRATION TESTING AT BOTTOM N s6
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 '