SW6230606_Plansheet - Grading/Drainage Plan_20230906

J BENHAVEN EMERGENCY SERVICES 13 p design,
STORM DRAINAGE CALCULATIONS >
n=0.012(RCP) n=0.010(HDPE) STORM FREQUENCY-10 YR Al-AREA INLET M MANHOLE LU
5' CONCRETE SIDEWALK \ / / / MIT
RCP-REINFORCED CONCRETE PIPE DI-DROP INLET FES FLARED END SECTION w
(FLUSH WITH PAVING) / / / HDPE-HIGH DENSITY POLYETHELENE SMOOTH CORE,DOUBLE WALLED PIPE CI-CURB INLET 1B-JUNCTION BOX cr
/ INCREMENTAL GRATE I-2
STRUCTURE DESIGN FLOW-10YR STORM SEWER DESIGN STORM PIPE INVERTS HEADWATER COMMENTS
HEAVY DUTY CONCRETE PAVEMENT - 293 \ I \ INLET AREA ELEV. CD
6" 4,500 PSI CONCRETE ON 4" I \ FROM TO TYPE C. AREA AVG. AREA I Q LENGTH DIA. SLOPE DEPTHOF VELOCITY CAPACITY INV.IN INV.OUT (FT) REQ'D AVAIL cr
OF CABC TYP. \ I �� � 292 / \ M C. (CFS) (ft.) (in.) (%) FLOW(ft) (F/S) FULL(CFS) �
. � 5 DI 0.81 0.48 289.50 1.45 1.50 15"NYLOPLAST CATCH BASIN W/LIGHT-DUTY GRATE INUNE WITH U
THREE 25' US INTERNAL HEAVY DUTY ASPHALT PAVEMENT / I \ . PROPOSED ROOF DRAIN.CONNECT ROOF LEADER W/'WYE'CONNECTOR z
HALYARD FLAGPOLE 1.5" S9.513 ON / 5 4 HDPE 0.81 0.48 7.22 2.79 152.00 12 0.99 0.56 6.15 4.61 287.50 286.00 - - - 6"ROOF DRAIN LEADER AT 1%SLOPE
2.5" 119.0 ON 8" ABC / /I • 4 - MH - - - - - - - - - - 290.50 2.45 4.17 111�11+111111111pry/1//'
MUTCD R7-8 & R7-8D TYP. ASPHALT DRIVE \ / \ • • , / 4 3 HDPE 0.81 0.48 7.22 2.79 s7.00 12 3.04 0.40 9.3s 8.09 285.83 284.10 co ``��.�```�` (N ROL/'�4,,,�'
HANDICAP SIGNS WITH �FESS/p '
/ 2 - RISER 0.58 0.97 - - - - - - - - - - 281.50 0.66 4.65
VAN ACCESSIBLE SIGN POTENTIAL SIGN LOCATION, 293 - I_ / �
PERMIT BY OTHERS / / 2 1 RCP 0.66 1.4s 7.22 0.50 35.00 15 2.43 0.18 4.52 10.94 276.8s 276.00 Q=o.s CFS IS 10-YR SCM DISCHARGE BASED ON HYDRAFLOW MODEL LU
1 FES o - SEAL
6' CONCRETE SIDEWALK / / ' \ / / f'ROOF DRAIN(SEE PLAN FOR SIZES,LOCATIONS AND SLOPE) NOTE: = 24438
RELOCATED TRAFFIC SIGN
(FLUSH WITH PAVING) / / /��' 6"HDPE ROOF DRAIN-APPROX.250 LF 8"HDPE ROOF DRAIN-APPROX 240 LF HDPE PIPE SHALL ADHERE TO THE SPECIFICATIONS OF ASTM D2321 AND BE CERTIFIED BY AN ENGINEER ACCORDING TO HARNETT COUNTY STANDARDS co a
LOCATION, OUTSIDE SITE / ' / -0 __ 00 F
TRIANGLE / / L°a / m ��� 9/ A. I N �`�Q``��`
HANDICAP PARKING AND _ '°
LOADING AREA. MAX 2% C14-
SLOPE ANY DIRECTION - / / I / / / \ 290 LINE TYPE LEGEND OO ''''''��1111111pjpp1g%5/2023
1
NEW ASPHALT PAVING �� M
/ / _ �FM / - - - -PROPERTY LINE - LINE SURVEYED
3" S9.5B (2 LIFTS) ON 6" ABC - 291 / / ' '� FM�FM \ OHE� -RIGHT-OF-WAY }
TYP. OF HATCH / ' �_ / 1jpM�p�750PEN 0. G =oHE�oHE� - - ADJOINING LINE - LINE NOT SURVEYED o
EASEMENT
FUTURE HARNETT COUNTY CTP AND
GREENWAY, BIKE, AND PEDESTRIAN �FM NE
PATH, 2" S9.56 ON 4" ABC 290 \ \ I ` I ON o �\
TO BE CONSTRUCTED BY OTHERS E
\ / ' �1\ \ IW \ -2�0 I ONE NE \ spy 0
AT FUTURE DATE '� 9 \ 1R \ \ ON 1 I c^ o
SHOWN TO RESOLVE POTENTIAL / / M r\ P U V FM 0 Ei \ \ , N o
CONFLICTS , i / U TH I
10' SIDEPP \E I 0� s �y o GENERAL NOTES: GRADING PLAN
3 = U
i E ONE 2'X2' LANDSCAPE DRAIN a,
E�i \ \ TOP - - 28750 y "EXISTING CONDITIONS LOTS1-3 FALCON CREST SUB
INV OUT
� 1. BASE INFORMATION IS FROM A SURVEY MAP ENTITLED ` U
\ ONE jONE�THE YPRD 1 . . D, 0
ONE-��� 1 O N
z\ I \I \ \ 0
BBQ TWP." DATED 06/09/21 BY MkRSTAN, PLLC LAND rn o
i0 89.50 1 � \ \ So SURVEYORS OF 2411 US 64 BUSINESS WEST, PH: o
i FM� / D H ° \90 ,OX° 0 I I 2 j - _ \ \ y \ [phone]. *�
291 - / �1� ®H \ \ I I I ,> 2. CONTRACTOR SHALL SECURE ALL NECESSARY PERMITS rn J
M �0 z �, yo FOR CONSTRUCTION SHOWN ON THESE PLANS. ;_
3. CONTRACTOR SHALL AT ALL TIMES MAINTAIN ADEQUATE 0 X ii
HP291. OXi 9 BONE ° ° O I o \ o 1J_
FM E �� \ e °s \ I 1 I \ �� \ SAFETY MEASURES, ACTIVITIES, AND BARRICADES FOR 1 0 -
D °s - THE PROTECTION OF ALL PERSONS ON OR ABOUT THE o �
29 CE�pIN' FM EET Y R 29084-- \ s i ' �v I \ LOCATION OF THE SITE.
\ - " pVC SEWER FOR F I E o 10 S 12 y 4. CONTRACTOR SHALL VERIFY EXISTING CONDITIONS PRIOR E
EX�FM_ 9 S O� s ° s I I ' \ \ �\ TO BEGINNING CONSTRUCTION. NOTIFY ENGINEER OF ANY00
ONE
9 F_FM IBF J N BASE 2a 9 • \° \ DISCREPANCIES. o
28 _ ON 117 -s a °\ °° 0 �2 - I I 1 I = 0 5. GRADING BEYOND THE DENUDED LIMITS INDICATED ON C °=
_ M ONE 4 ! \ 290. ° s 90.98X I \ I o \ \ s� CONSTRUCTION DOCUMENTS IS A VIOLATION AND IS a
OF .751N 0.26G i0 i \ \ ° 290.88 I 90.50 I I SUBJECT TO A FINE.
/ / N 0Ni 90 9 ° I I \ \ 6. ALL EXISTING UTILITIES AND STORM STRUCTURES ARE
P� 29 . N \ o COORDINATOR:
° 290.98 WYE CONNECTION SHOWN PER SURVEY DATA AND ARE APPROXIMATE. Blair Pittman
29 290:98 TYP. ALL LEADER I 11 CONTRACTOR IS FULLY RESPONSIBLE TO FIELD VERIFY
/ I ACTUAL LOCATION AND DEPTH OF EXISTING UTILITIES
T � ��� 29 8 0.98 CONNECTIONS) I I \ PRIOR TO THE START OF CONSTRUCTION AND SHALL
290. 0 STORM MANHOLE ROOF DRAIN LEADER ti CALL UTILITY LOCATOR TO VERIFY LOCATION OF ALL yI I \ Brian Caldw BY:
6" PVC C� 1% MIN SLOPE (TYP.) I I � EXISTING UTILITIES. _
NE-�� 10 90.2 \ \ 7. TREE PROTECTION FENCING MUST BE IN PLACE PRIOR
787 � / NE- - \ 0 STORM DRAIN PIPE PRO P 0 S E D -STATI ON I I � = I \ TO ANY LAND DISTURBANCE AND SHALL INCLUDE
8" PVC 0 1% MIN SLOPE ��� o I I PROJECT AREA WARNING SIGNS POSTED IN BOTH ENGLISH AND CHK BY:BPP
\ NEi i \ \ s° Q ± 12-200 SF I� I PROP SED BIORVENTION SPANISH, AS FOLLOWS: "NO TRESPASSING/TREE
E Q I I DRAINAGE AREA (62,984 SF) PROTECTION AREA/PROHIBIDO ENTRAR/ZONA
ONES FONiETK� �� ° FFE 291 .00 I PROTECTORA PARA LOS ARBOLES."
ONE�ON 35i \ - �`l ° s X •90 12� I I > 8. ALL SIDEWALKS, STOOPS, TERRACES AND OTHER PAVED
ENE 29 .5 IX290. 0 Q / ( )
ROOF DRAIN LEADER _ W AREAS SHALL SLOPE AWAY FROM BUILDINGS AT
\ \ � 6" PVC 01% MIN SLOPE ' o I 2%(MIN). co
4'X6 7C18" CLASS 'B' 9 .22 I I _ 9. THE CONTRACTOR SHALL MAINTAIN EACH DITCH IN AN
\ RIP-RAP'-@UT ET I a1 WYE CONNECTION \ I 1 I 1 \ UNOBSTRUCTED CONDITION AND SHALL REMOVE FROM
\PROTECTION PAD TYP. ALL LEADER _ I THESE AREAS ALL DEBRIS, LOGS, TIMBER, TRASH, JUNK
2%
� CONNECTIONS) I I \o
AND OTHER ACCUMULATIONS.
286 - \ N/F I 00 ° °° 290 10. TOPSOIL STRIPPED FROM THE SITE IS TO BE
� 6 BENHAVEN EMERGENCY ' z • \ STORM DRAIN PIPE I I STOCKPILED AND USED FOR BACKFILLING ALL U)
10' 0' SIGN SERVICES, INC I s 8" PVC 0 1% MIN SLOPE I 1 LANDSCAPE ISLANDS, BEDS AND LAWN AREAS. TOPSOIL
EASEMENT \ ` � PIN# 9597-37-4281 4 ° HEAVY DUTY ASPHALT PAVEMENT IS TO BE SPREAD TO A DEPTH OF AT LEAST 6" AS
\ PID 0"3959;Q014 01 q" ° 0 I I 11 1.5" S9.5B ON SOIL IS AVAILABLE.
DB 3832 PG 96� \ 290.98 290.981 I ' I 2.5" 119.0 ON 8" ABC 11. ALL AREAS NOT COVERED WITH PAVING, GRAVEL,
I \ DB841 PG 632 - \ \ 2 \ ° ° I \ 0 11 U
�\ ° TYP. ASPHALT DRIVE BUILDING OR PLANTING BEDS SHALL BE SEEDED AS
\ PC C SLIDE 191-D _ 89 - _� �_ SHOWN IN THE SEEDBED PREP. AND SEEDING
PB 2020 PG 248 I ~ • �0'9 ° 29 ROLL OUT TRASH CANS
° a, SCHEDULE NOTES. SEE THE LANDSCAPE PLAN FOR
\ I ° ° I \ N \ SPECIFIC LAWN AREAS)
290.�,2
PROPOSED SWALE ID#2 �° P 9 0 5' CONCRETE SIDEWALK 12. THE OPERATION AND MAINTENANCE OF THE PROPOSED
N/F \ \ (1' BOTTOM WIDTH, 3:1 SIDE co \ ° s ° ° ° $" NO \E � (FLUSH WITH PAVING) BIORETENTION POND IS THE RESPONSIBILITY OF THE
- 285 -
SLOPE) LINED WITH NORTH \ °� ° - 4, I OWNER. REFER TO THE ATTACHED STORMWATER
TINGEN POINTE HOA ASSOC & �- -\ AMERICAN GREEN C125 I - 288 , \ °_ \ ° - - o \ 1/ HEAVY DUTY ASPHALT CALCULATIONS REPORT FOR A DETAILED LIST OF REQUIRED
C/0 LITTLE & YOUNG INC. \ \ T ERONET OR EQUIVALENT TYP. \ - ° \ I I I 1 PAVEMENT BIORETENTION POND OPERATION/MAINTENANCE ITEMS THAT
PIN# 9597-35-0720 \ SHADED AREA \ °2% °1 \-- I 1.5" S9.56 ON 2.5" 119.0 ON 8" ARE REQUIRED TO BE PERFORMED ANNUALLY, MONTHLY, OR
\� \ \ \ \
PID# 039596 0088 88 \ (FOR INSTALLATION DETAIL, �, a s \ �° a _ ABC TYP. ASPHALT DRIVE DAILY.
DB 3552 PG 794 \ CO \ I\ SEE SHEET C7.0) N � �
DB 841 PG 632 I \ o' 290.
PB 2007 PAGES 711-718 P 287 7 X20 X18 HEAVY DUTY CONCRETE PAVEMENT 6" 4,500
CLASS 'B' ° ° -1 - \ I 1 _ \ I
984 -\/ RIP-RAP AS FOREBAY - \ \ �- ° ° o PSI CONCRETE ON 4" OF COMPACTED ABC
\
_ \ ° \ I TYP. DOWEL ALL CONSTRUCTION AND CONTROL LINING ECT AREA/ - 0 0 -- ° 1 I 1 I JOINTS
\ 1 \ PROPOSED BIORETENTION 290.8 ° a ° a °s \ s \,,- \� o 0 I -
z
�D AINAGE AREA (62,984 SF / 290. 8 41
�
N� 8 a a ° 1° ®� \ ° \1 ° 3` Y W I �4
1 26, 284 - 9 a B
,
\ ° w n I I 1 I
2g AREA CONTAINED WITHIN
SLOPE/DRAINAGE/ I\ \ - Q�`'
UTILITY' EASEMENT, AS OFFSET 20' FROM I m Z�- / I
PROPERTY LINE AND OMAHA DR R/W, J \ - -� ��p 6 I o IR
PER PB2007 PG712 282 \ \ ZB9 \ / ' ^
PROPOSED /BIORETENTION/ V�\ \ 8 I /
z
\ \ \ \ z
280
\ \ \ r- _ _ - - :aO - PROPOSED SWALE ID#1. I \ n1 \ / / n \ \ \
281 s2 5� \ (1' BOTTOM WIDTH, 3:1 SIDE / vti I \ N
\ J \ 282.50 _ SLOPE) LINED WITH NORTH \ I o o
\ 28k cx AMERICAN GREEN C125
28 m
ERONET OR EQUIVALENT TYP. � U
281 SHADED AREA , I do l L/ \ l
\ I 2' X 2' PRECAST GRATE 9 SEE SHEET C7.0) - ^� / 1 8 -� \ (FOR INSTALLATION DETAIL, i Y Z C)l / 2jg 27 � CALL BEFORE YOU DIG!
TOP RISER INLET �^ �
\ \ '/ ' y� \ \ NORTH CAROLINA LAW REQUIRES NOTIFICATION OF\ /-�\ \ o I THE UNDERGROUND FACILITY OWNER NOT LESS V J O
LIMIT OF CONSTRUCTION, STORMWATER CONTROL STRUCTURE l \ r= \�� ` THAN TWO(2)BUT NO MORE THAN TEN (10) w
\ TYPICAL ` \ 7'X20'X18" CLASS 'B' AND ACCESS EASEMENT CK /� / \ I I 1 11 WORKING DAYS PRIOR TO EXCAVATION OR M
NEW 15" RCP / LININGA& AOUTLETEBAY \ REPRi Pi o �\ I DEMOLITION `- ,
00
@2.437 SLOPE \ \ ti� \ \ \ O8'X20$X'18" CLASS 'B' PROTECTION PAD \ / \ \ �tio RTH CARO IN
INV. IN: 276.85 RIP-RA AS SPILLWAY S ✓ /
INV. OUT: 276.00 Q PROTECTION WOOD \ \ \ FFE� 1 \� moo* / N I I I\ \ I II 811 www.nc811 .org
\ 1 \ bb
pER\MEj� OF BASE BENT 200AK J I II 1-800-632-4949 24 X 36
\ 6'X8'X18" CLASS 'B' / 5 I I
\\ \ \ RIP-RAP FOR OUTLET - / \ �� �\ I I North Carolina One-Call Center Inc. 1" = 20'
\ 1 \ PROTECTION
I
14 NOV 2022
\ \ 275 - , , 1 N \ ,� REVISIONS
cc
\26GUM
y
No. DATE DESCRIPTION REV. BY 22-0011
I Q 12.29.2022 COMMENTS TSOUNTY BC
1 1 \ I 1 274 ' m N ���
\ \ r - N APPROVED FOR GRADING
\ - I> 0 5.5.2023 LIMIT OF DISTRUBANCE NN
9 MODIFIED PLAN
DRAINAGE AREA UPDATE
N/F CONSTRUCTION 03 6.20.2023 NN
1 \\ \\\ \ OF NAI AT BASE MICHAEL A1,CHADWICK
\ PIN# 9597-36-7576
Soso PID#
PLANS WERE USED FOR PERMITTING AND DO NOT REFLECT Q 8.31.2023 SCM ELEV., EASEMENT &
IBF .75 NAIL 0.5BG / NI PID# 039597 0014 07 CHANGE ORDERS OR MODIFICATIONS MADE DURING CONSTRUCTION. 4 UNDERDRAIN UPDATE NN
13
PG 288
D B8412 PG 632 0 10 20 40 60
■
PC C SLIDE 191-B