HomeMy WebLinkAbout20200024 Ver 1_Stormwater Info_20200226Strickland, Bev
From: Mcdaniel, Chonticha
Sent: Wednesday, February 26, 2020 9:00 AM
To: Homewood, Sue
Subject: FW: [External] FW: Quarry Hills SD, DWR#20200024
Attachments: QUARRY HILLS PH1-STORM -SWALES-EAST.pdf, QUARRY HILLS PH 1 -STORM -SWALES-
WEST.pdf
Sue,
I told them to keep the stormwater outlets away from the buffer areas and provide vegetative swales to discharge into
the buffer. The attached plans look fine to me but I would like for you to include the visual monitoring requirement in
their 401 certification (for all the SW outlets, swales, and the discharging points into the buffer). I think monitor them for
2 years is sufficient unless we found some issues during the monitoring period.
Thanks!
Chonticha McDaniel
401 Stormwater Engineer
401 & Buffer Permitting Branch
Division of Water Resources
Department of Environmental Quality
919-707-3634 office
chonticha.mcdaniela-ncdenr.gov
Mailing Address - 1617 Mail Service Center, Raleigh, North Carolina, 27699-1617
Street Address - 512 N. Salisbury St. (Floor 9th), Raleigh, North Carolina, 27604
y�-5>0'Nothlng Compares
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Anthony Lester [mailto:adl@evans-eng.com]
Sent: Wednesday, February 26, 2020 8:12 AM
To: Mcdaniel, Chonticha <chonticha.mcdaniel@ncdenr.gov>
Subject: RE: [External] FW: Quarry Hills SD, DWR#20200024
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am nc. ov
Good Morning Ms. McDaniel
I have attached our swale design for the Quarry Hills subdivision. Each swale is shown in red and the swale calculations
are in a red box generally in the top center or top left of each sheet. Please let me know if you have any questions or if
you need additional info. Thanks for your consideration.
Anthony
From: Mcdaniel, Chonticha <chonticha.mcdaniel@ncdenr.gov>
Sent: Wednesday, February 19, 2020 10:27 AM
To: Anthony Lester <adl@evans-eng.com>
Cc: Homewood, Sue <sue.homewood@ncdenr.gov>
Subject: RE: [External] FW: Quarry Hills SD, DWR#20200024
You are welcome!
Chonticha McDaniel
401 Stormwater Engineer
401 & Buffer Permitting Branch
Division of Water Resources
Department of Environmental Quality
919-707-3634 office
chonticha.mcdaniela-ncdenr.gov
Mailing Address - 1617 Mail Service Center, Raleigh, North Carolina, 27699-1617
Street Address - 512 N. Salisbury St. (Floor 9th), Raleigh, North Carolina, 27604
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Anthony Lester [mailto:adl@evans-eng.com]
Sent: Wednesday, February 19, 2020 8:59 AM
To: Mcdaniel, Chonticha <chonticha.mcdaniel@ncdenr.gov>
Subject: RE: [External] FW: Quarry Hills SD, DWR#20200024
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m nc. ov
OK. We will get it done and emailed to you. Thanks.
From: Mcdaniel, Chonticha <chonticha.mcdaniel@ncdenr.gov>
Sent: Wednesday, February 19, 2020 8:51 AM
To: Anthony Lester <adl@evans-eng.com>
Subject: RE: [External] FW: Quarry Hills SD, DWR#20200024
The drawing details and design calculations of the vegetative conveyances.
Chonticha McDaniel
401 Stormwater Engineer
401 & Buffer Permitting Branch
Division of Water Resources
Department of Environmental Quality
919-707-3634 office
chonticha.mcdaniela-ncdenr.gov
Mailing Address - 1617 Mail Service Center, Raleigh, North Carolina, 27699-1617
Street Address - 512 N. Salisbury St. (Floor 9th), Raleigh, North Carolina, 27604
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Anthony Lester [mailto:adl@evans-eng.com]
Sent: Wednesday, February 19, 2020 8:44 AM
To: Mcdaniel, Chonticha <chonticha.mcdaniel@ncdenr.gov>
Subject: RE: [External] FW: Quarry Hills SD, DWR#20200024
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report.spam@nc.gov
Great! So what do I need to provide to you so that you can let Sue Homewood know that we are ok? Thanks for your
help.
From: Mcdaniel, Chonticha <chonticha.mcdaniel@ncdenr.gov>
Sent: Wednesday, February 19, 2020 8:44 AM
To: Anthony Lester <adl@evans-eng.com>
Subject: RE: [External] FW: Quarry Hills SD, DWR#20200024
Anthony,
The proposed plans look fine to me. Let me know if you have additional questions or would like to discuss further.
Thanks!
Chonticha McDaniel
401 Stormwater Engineer
401 & Buffer Permitting Branch
Division of Water Resources
Department of Environmental Quality
919-707-3634 office
chonticha.mcdaniela-ncdenr.gov
Mailing Address - 1617 Mail Service Center, Raleigh, North Carolina, 27699-1617
Street Address - 512 N. Salisbury St. (Floor 9th), Raleigh, North Carolina, 27604
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Anthony Lester [mailto:adl@evans-eng.com]
Sent: Tuesday, February 18, 2020 9:12 AM
To: Mcdaniel, Chonticha <chonticha.mcdaniel@ncdenr.gov>
Subject: RE: [External] FW: Quarry Hills SD, DWR#20200024
External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
report.spam@nc.gov
Chonticha
I have attached pdfs showing the pipe outlets for this project being located greater than 100' away from the buffers as
we discussed. I would like for you to review this in concept prior to us providing design for the vegetated channels from
these pipe outlets to the buffers. Give me a call to discuss. Thanks for your help.
Anthony
336-279-7450
From: Mcdaniel, Chonticha <chonticha.mcdaniel@ncdenr.gov>
Sent: Monday, February 10, 2020 10:56 AM
To: Anthony Lester <adl@evans-eng.com>
Subject: RE: [External] FW: Quarry Hills SD, DWR#20200024
Anthony,
Per our phone conversation earlier, attached file is the stormwater conveyance design requirements for low density
projects. I highlighted the items that are applicable to your project. The curb and gutter design criteria is under Item
(2)(d)•
Here is the link to DEMLR's BMP design manual (level spreader is under C-9):
https://deg.nc.gov/about/divisions/energy-mineral-land-resources/energy-mineral-land-permit-guidance/stormwater-
bmp-manual
Also, NCDOT has some useful design ideas and information for their lever spreader, preformed scour hole, and dry basin
(https://connect.ncdot.gov/resources/hydro/HSPDocuments/2014 BMP Toolbox.pdf). Look under Chapters 3 through
5.
One thing I want to point out to you, the buffer rules require that concentrated runoff be converted to diffuse flow
before the runoff enters the Zone 2 of the riparian buffer. This is how providing grass swales and vegetated areas prior
to entering the buffer zone can help you meet this requirement. If there are some critical areas where this cannot be
met, you will need to provide justification for the proposed outlet location. Additional measure(s) may be provided to
ensure non -erosive discharge and protection of the receiving stream.
Chonticha McDaniel
401 Stormwater Engineer
401 & Buffer Permitting Branch
Division of Water Resources
Department of Environmental Quality
919-707-3634 office
chonticha.mcdaniel(cancdenr.gov
Mailing Address - 1617 Mail Service Center, Raleigh, North Carolina, 27699-1617
Street Address - 512 N. Salisbury St. (Floor 9th), Raleigh, North Carolina, 27604
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Anthony Lester [mailto:adl@evans-eng.com]
Sent: Monday, February 10, 2020 9:08 AM
To: Mcdaniel, Chonticha <chonticha.mcdaniel@ncdenr.gov>
Subject: RE: [External] FW: Quarry Hills SD, DWR#20200024
External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
report.spam@nc.gov
Chonticha
The first pdf is the approved master plan for the entire subdivision. The second pdf is of the Phase 1 East Side storm
drainage plan and the third pdf is of the Phase 1 West Side storm drainage plan. Phase 1 is what we are trying to build
now and is what was submitted to Sue. Please call to discuss after you have reviewed.
Anthony
From: Mcdaniel, Chonticha <chonticha.mcdaniel@ncdenr.gov>
Sent: Monday, February 10, 2020 9:02 AM
To: Anthony Lester <adl@evans-eng.com>
Subject: RE: [External] FW: Quarry Hills SD, DWR#20200024
Anthony,
The file attached to your email is DEQ's add.info request letter. I don't see any copies of the phase 1 storm drain plans
nor the approved overall plans that you mentioned. Can you resend those files to me please. Thank you.
Chonticha McDaniel
401 Stormwater Engineer
401 & Buffer Permitting Branch
Division of Water Resources
Department of Environmental Quality
919-707-3634 office
chonticha.mcdaniela-ncdenr.gov
Mailing Address - 1617 Mail Service Center, Raleigh, North Carolina, 27699-1617
Street Address - 512 N. Salisbury St. (Floor 9th), Raleigh, North Carolina, 27604
Its" --�NothllnqCornpares,^�-
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Anthony Lester [mailto:adl@evans-eng.com]
Sent: Friday, February 7, 2020 12:59 PM
To: Mcdaniel, Chonticha <chonticha.mcdaniel@ncdenr.gov>
Subject: [External] FW: Quarry Hills SD, DWR#20200024
External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
report.spam@nc.gov
See my email below. I received your voicemail message from yesterday and am resending the original email. Please
confirm that you received this one. thanks.
From: Anthony Lester
Sent: Tuesday, February 04, 2020 9:23 AM
To: 'chonticha.mcdaniel@ncdenr.com'<chonticha.mcdaniel@ncdenr.com>
Subject: FW: Quarry Hills SD, DWR#20200024
Good Morning Chonticha
I am currently working together with Sue Homewood on a project in Swepsonville, NC. Please see her email below. This
project has several pipe outlets in Phase 1 that we may or may not need to provide dispersed flow at the outlet. I have
attached copies of the phase 1 storm drain plans as well as the approved overall plans. After reviewing the below email
and the attached plans, please call me so that we can discuss where and where not we are to provide dispersed
flow. My contact info is below:
Anthony D. Lester, PE, PLS
Vice -President
Evans Engineering, Inc
4609 Dundas Drive
Greensboro, NC 27048
336-279-7450 Office
336-382-4416 Mobile
From: Homewood, Sue <sue.homewood@ncdenr.gov>
Sent: Friday, January 31, 2020 11:28 AM
To: Anthony Lester <adl@evans-eng.com>; Brad Luckey <bluckev@pilotenviro.com>
Cc: Mcdaniel, Chonticha <chonticha.mcdaniel@ncdenr.gov>
Subject: Quarry Hills SD, DWR#20200024
Anthony & Brad,
As we discussed on the phone recently, this project is in the unique situation of being within a local government (Town
of Swepsonville) jurisdiction for the Phase 11 stormwater program but within DWR jurisdiction for the implementation of
the Jordan Lake Riparian Buffer Rules. This unique situation only happens in a couple small locations within the Jordan
Watershed but it is pretty common in the Neuse watershed so we've been dealing with it for years. Item (8) of the
Jordan Buffer Rules requires that "diffuse flow of runoff shall be maintained in the riparian buffer by dispersing
concentrated flow prior to its entry into the buffer". That is why I requested a set of plans that shows diffuse flow will be
met for the project. Here's a memo that explains what meets the definition of diffuse flow.
As I mentioned, Chonticha McDaniel is our 401 stormwater engineer and will be the one who reviews the diffuse
plans. I've copied her on this email so she knows about the project. You can copy her when you submit your response
to the addinfo letter, that way she'll have a copy of the stormwater info as soon as possible. Here's her contact info:
Chonticha McDaniel
401 Stormwater Engineer
401 & Buffer Permitting Branch
Division of Water Resources
Department of Environmental Quality
919-707-3634 office
chonticha.mcdaniel(cancdenr.gov
Mailing Address - 1617 Mail Service Center, Raleigh, North Carolina, 27699-1617
Street Address - 512 N. Salisbury St. (Floor 9th), Raleigh, North Carolina, 27604
Let me know if I forgot anything we discussed.
Sue Homewood
Division of Water Resources, Winston Salem Regional Office
Department of Environmental Quality
336 776 9693 office
336 813 1863 mobile
Sue. Homewood@ncdenr.gov
450 W. Hanes Mill Rd, Suite 300
Winston Salem NC 27105
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PIPE CHART - DESIGN STORM:10-YR
To Line Incr. Total Runoff Incr Total Inlet Time R nfal Total Add Total Capac Pipe Pipe Inv Elev Inv Elev HGL HGL Gmd/Rm Gmd/Rm
Line Line Length Area Area Coeff. C xA C xA 1 Time Conc Int Runoff Flow Flow Full Veloc Size Slope Dn Lip Di Up Lh Up Line ID
(ft) (ac) (ac) (C) (min) (min) (inlYlr) (ds) (cfs) (cfs) (cFs) (ft/s) - (in) M (ft) (ft) (ft) (ft) (ft) (ft)
1 Outfall 66.000 0.40 0.40 0.65 0.26 0.26 10.0 10.0 5.6 1.46 0.00 1.46 21.24 3.16 18 4.09 555.00 557.70 555.46 558.16 556.50 561.95 PIPE 1
2 Outfall 42.000 0.00 8.15 0.65 0.00 5.30 10.0 11.3 5.4 28.39 0.00 28.39 39.52 7.59 30 0.93 552.44 552.83 554.22 554.61 555.50 558.50 PIPE 2
3 2 I 18.000 0.40 8.15 0.65 0.26 5.30 10.0 11.1 5.4 28.50 0.00 28.50 41.01 7.75 30 1.00 553.06 553.24 554.61 555.30 558.50 558.25 PIPE 3
4 3 I 58.143 0.50 7.75 0.65 0.33 5.04 10.0 11.0 5.4 27.27 0.00 27.27 40.96 5.56 30 1.00 553.44 554.02 556.31 556.52 558.25 557.52 PIPE 4
5 4 I 28.000 0.50 7.25 0.65 0.33 4.71 10.0 10.9 5.4 25.60 0.00 25.60 41.01 5.22 30 1.00 554.22 554.50 557.24 557.35 557.52 557.52 PIPE 5
6 5 133.542 2.90 6.75 0.65 1.89 4.39 10.0 10.6 5.5 24.08 0.00 24.08 32.04 7.98 24 2.01 554.70 557.38 557.56 559.12 557.52 563.00 PIPE 6
-7 6 66.000 0.50 3.00 0.65 0.33 1.95 10.0 10.4 5.5 10.77 0.00 10.77 14.85 6.46 18 2.00 557.58 558.90 559.12 560.15 563.00 563.00 PIPE 7
8 7 119.000 2.50 2.50 0.65 1.63 1.63 10.0 10.0 5.6 9.10 0.00 9.10 11.39 6.56 18 1.18 559.10 560.50 560.15 561.65 563.00 563.00 PIPE 8
9 6 1 70.158 0.85 0.85 0.65 0.55 0.55 10.0 10.0 5.6 3.09 0.00 3.09 9.12 5.37 15 2.00 558.60 560.00 559.12 560.70 563.00 563.00 PIPE 9
10 Outfall 111.000 0.50 41.60 0.65 0.33 27.04 10.0 11.7 5.3 142.87 0.00 142.87 385.39 10.26 60 2.19 543.00 545.43 546.34 548.77 548.00 559.00 PIPE 10
11 10 318.089 0.00 41.10 0.65 0.00 26.72 10.0 10.9 5.4 144.86 0.00 144.86 184.15 10.34 60 0.50 545.63 547.22 548.97 550.59 559.00 557.00 PIPE 11
12 11 124.000 0.60 41.10 0.65 0.39 26.72 10.0 10.6 5.5 146.32 0.00 146.32 184.18 8.11 60 0.50 547.42 548.04 551.97 552.18 557.00 558.50 PIPE 12
13 12 28.000 0.75 40.50 0.65 0.49 26.33 10.0 10.6 5.5 144.52 0.00 144.52 184.19 7.84 60 0.50 548.24 548.38 552.73 552.77 558.50 558.50 PIPE 13
14 13 71.000 0.50 39.75 0.65 0.33 25.84 10.0 10.4 5.5 142.68 0.00 142.68 185.47 7.27 60 0.51 548.58 548.94 554.23 554.44 558.50 559.55 PIPE 14
15 14 172.000 39.25 39.25 0.65 25.51 25.51 10.0 10.0 5.6 142.88 0.00 142.88 323.91 11.35 60 1.55 552.84 555.50 555.68 558.84 559.55 555.50 PIPE 16
16 Outfall 26.000 0.50 0.50 0.65 0.33 0.33 10.0 10.0 5.6 1.82 0.00 1.82 9.13 3.59 15 2.00 554.00 554.52 554.54 555.06 555.25 559.55 PIPE 15
17 Outfall 37.000 0.00 3.35 0.65 0.00 2.18 10.0 13.2 5.0 10.94 0.00 10.94 17.44 5.71 24 0.59 542.80 543.02 543.97 544.20 545.00 552.50 PIPE 17
18 17 1127.707 0.30 3.35 0.65 0.20 2.18 10.0 12.6 5.1 11.15 0.00 11.15 16.01 5.11 24 0.50 543.22 543.86 544.70 545.05 552.50 552.89 PIPE 18
19 18 1 119.000 0.30 0.60 0.65 0.20 0.39 10.0 10.5 5.5 2.14 0.00 2.14 4.59 1.75 15 0.50 544.06 544.66 545.82 545.91 552.89 548.13 PIPE 19
20 19 27.862 0.30 0.30 0.65 0.20 0.20 10.0 10.0 5.6 1.09 0.00 1.09 4.58 1.00 15 0.50 544.86 545.00 545.98 545.98 548.13 548.13 PIPE 20
21 18 1 123.216 0.10 2.45 0.65 0.07 1.59 10.0 12.2 5.2 8.27 0.00 8.27 21.22 8.61 18 4.08 547.89 552.92 548.54 554.02 552.89 557.81 PIPE 21
22 21 I 28.210 0.40 0.40 0.65 0.26 0.26 10.0 10.0 5.6 1.46 0.00 1.46 6.43 3.77 15 0.99 554.13 554.41 554.53 554.90 557.81 557.81 PIPE 22
23 21 �q� 92.185 0.00 1.95 0.65 0.00 1.27 10.0 11.8 5.3 6.67 0.00 6.67 18.17 5.73 18 2.99 553.12 555.88 554.02 556.87 557.81 561.20 PIPE 23
24 23 I 92.000 0.10 1.95 0.65 0.07 1.27 10.0 11.4 5.3 6.76 0.00 6.76 10.50 5.88 18 1.00 556.08 557.00 556.96 557.99 561.20 563.72 PIPE 24
25 24 1160.000 0.65 0.65 0.65 0.42 0.42 10.0 10.0 5.6 2.37 0.00 2.37 4.57 3.41 15 0.50 557.20 558.00 557.99 558.62 563.72 561.00 PIPE 25
26 24 1 114.000 0.60 1.20 0.65 0.39 0.78 10.0 10.3 5.5 4.33 0.00 4.33 6.46 5.31 15 1.00 558.84 559.98 559.59 560.81 563.72 563.86 PIPE 26
27 26 28.000 0.60 0.60 0.65 0.39 0.39 10.0 10.0 5.6 2.18 0.00 2.18 6.46 3.66 15 1.00 560.18 560.46 560.81 561.05 563.86 563.89 PIPE 27
LOT DIMENSIONAL REQUIREMENTS
C= 0.65 PERMANENT SWALE CHART NOTE: EXCELSIOR LINER TO BE NORTH AMERICAN GREEN OR EQUIVALENT. 2/25/2020
1= 5.75 INIHR PHI EAST NOTE: GRASS CAN WITH STAND VELOCITIES OF FPS.
NOTE: MAX VELOCITY W ITHOUT A LINER PER N.C. EROSION MANNUAL IS 2 FPS.
70 YEAR DESIGN STORM
SWALE
AREA
VELOCITY
FLOW DEPTH
CHANNEL
STAPLE
CALCULATED
PERMITTED
NO.
LENGTH
(Acre)
SLOPE (%)
SIDE SLOPES
FLOW (C.F.S.)
(FT/sec)
(FT.)
SHAPE
LINER
PATTERN
SHEAR STRESS
SHEAR STRESS
TRAPEZOIDAL
DS75
1
103'
8.15
1.40%
3:1
28.39
4.39
0.95
4' BOTTOM
D
0.83
1.60
TRAPEZ O IDA L
2
110'
41.60
9.00%
3:1
142.87
12.60
1.02
9 BOTTOM
SHOREMAX
F
5.73
&50
TRAPEZOIDAL
3
162'
0.50
1.23%
3:1
1.82
0.61
0.04
80' BOTTOM
NIA
N/A
0.03
4.00
TRAPEZOIDAL
4
120'
3.35
10, 80%
3:1
10.94
6.15
0.26
G BOTTOM
S 1508N
D
1.76
1.90
G 527 i _ v (C I Jfl D9 V
3 3 3 U / � a J
o
5
°' a�
n
08A vc \ Ernest Ln
LF
nodslde 30 GroveIx' 11
-- -
VICINITY MAP
d / (111= 20001)
i �_ /
MM INIMUSIZE....................................8,000 S�F ' �I I
MINIMUM STREET FRONTAGE..................60'
DEVELOPMENT REQUIREMENTS -
FRONT SETBACK.....................................30'
SIDE SETBACK..... /
STREET SIDE SETBACK ...........................25' °p
IAELENE NN N 8,�g SF
REAR SETBACK......... .... ......................... 20' 1, 1 P 4 /�L0
GENERAL NOTES B r -� ~ - - _
QO R W
• ROADWAYS TO BE CONSTRUCTED PER NCDOT
�r ro -FES-3
STANDARDS AND SPECIFICATIONS. 0
/ - 8 1 SF� a - 1 _OUT=543.00 =��
• UTILITIES TO BE OWNED AND MAINTAINED BY TOWN
OF SWEPSONVILLE ONCE INSTALLED, INSPECTED AND
ACCEPTED BY THE TOWN. -� �� / )f - 54
SITE VA°I A
OWNER/DEVELOPER: DESCO GC INVEST, LLC
600 MARKET STREET, SUITE 600
CHAPEL HILL, NORTH CAROLINA 27516
CONTACT: ERIC DISCHINGER
PHONE: (336)317-3395
PARCELS: PIN: 152135 & 152131
D.B. 3914, PG. 701-709
ENTIRE PARCEL ACREAGE = 150.72± ACRES (GIS)
PHASE 1 EAST ACREAGE 14.57± ACRES (GIS)
OVERALL LINEAR FEET OF PROPOSED STREETS: 11,948± LF
Z) PHASE 1 EAST LINEAR FEET OF STREET: 1,841± LF
• ALL PROPOSED PUBLIC STREETS SHALL HAVE 30" S, 2 RNESSEE 8,239 SF
/\,� TOTAL LOTS PROPOSED. 285
CURB & GUTTER AND BE MAINTAINED BY THE NCDOT. ��"/ -I - /� I qp' �1 ` C TOTAL LOTS PHASE 1 EAST: 41
BRA LEY �/ \
_ q
• EROSION CONTROL PLAN TO BE REVIEWED AND CHRISTINA R // \ AGC 1�`�i\
D.B, 367 PG.. I IS 6 C� d jj ° OVERALL DENSITY: 285 UNITS/ 150.72± AC = 1.89 UNITS PER ACRE
APPROVED BY NCDENR. THIS HAS BEEN COMPLETED P,B, 18 �' / ` \�°" 0� 8 �, �o D STREAM BUFFER DETAIL
D PERMITISSUED ON OC OBER 21, 2019. P CEk2 37 ' p \ \ �< z
\ ` / 9 I NTS OVERALL COMMON ELEMENT AREA: 66.81± AC
GENERAL NOTES / /�� '1 �I I /� STREAM LOCATIONS & WIDTHS SHOWN ON THIS PLAT ARE PHASE 1 EAST COMMON AREA: 3.82± AC
�_ \
1. TOWN WILL PURCHASE AND INSTALL STREET SIGNS AND BACK CHARGE DEVELOPER. / / I 8,Q04 S�F \ \ ISM �v0 / I APPROXIMATE. EVANS ENGINEERING, INC. DID NOT PHYSICALLY
2. ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL TOWN OF SWEPSONVILLE, �� / \ '� "� / ��� 9 I / �/ LOCATE STREAMS. EXISTING USE: FORMER GOLF COURSE, CURRENTLY VACANT
JP COPYTIONS APPROVED EROSION DETAILS,
CON TROLLATEST
MUST EDITION.
BE SUBMITTED TO THE TOWN. / / U \ \ \ J / PROPOSED USE: RESIDENTIAL
4. LIMITED INSPECTIONS WILL BE PERFORMED BY THE TOWN. THE CONTRACTOR IS / I \ \ \ \ I I /
RESPONSIBLE FOR HIRING A PRIVATE INSPECT/ON COMPANY TO INSPECT ALL INSTALLATION ` v \_ \ \ \\ �( ( �� I / TOPOGRAPHY PROVIDED BY ALAMANCE COUNTY GIS AND F IELD RUN,
AND SUBMIT RECORDS AND TEST REPORTS TO THE ENGINEER AND THE TOWN OF / \\ \� �� \ `\ J\I J� / -\
,i
SWEPSONVILLE. �3 SF SF \ o- /
� THIS PROPERTY IS LOCATED IN A SPECIAL FLOOD HAZARD AREA AS
5. A MIN/MUM OF 48" OF COVER OVER WATERLINE WILL BE REQUIRED. 3 / g'1 I / rn 9� / \ \ ,��� / /
N S, DETERMINED BY THE DEPARTMENT OF HOUSING AND URBAN
6. CONTRACTOR SHALL NOTIFY TOWN OF ALL INSPECTIONS AND GIVE THEM THE OPPORTUNITY
TO ATTEND. MAIRY ANN AKIN T USTE I 1 1 l \\ \��cF \ /� \ \� /� / /- =/ DEVELOPMENT PER PANEL MAP 3710887300K ZONE "X" DATED NOVEMBER
7. TESTING OF SEWER MAINS TO BE PERFORMED PRIOR TO PRELIM/NARY ACCEPTANCE OF THE 32 4 G I # \�s� ��� _ I \ 17, 2017.
PROJECT. I DIB' 1 N \ \�T / NOTE: 3 PARTY ENCROACHMENT AGREEMENT WILL
8. TOWN OF SWEPSONVILLE AND ENGINEER TO RECEIVE 1 COPY OF ALL SHOP DRAWINGS FOR I P,B 1 P 52 \ I J l 1'omp HAVE TO BE OBTAINED FOR THE INSTALLATION AND
ALL MATERIALS TO BE INSTALLED ON SITE. AR EL 15 23
9WITH 9 I \ F W MAINTENANCE OF THE SIDEWALK
. THE TOWN RECOMMENDS MONTHLY/WEEKLY MEETINGS TH TOWN PERSONNEL, ENGINEER, \ I S \ /
AND CONTRACTOR TO DISCUSS PROBLEMS AND QUESTIONS \ \ I \ 8 123 �i j noun 0 \ ��
10. EROSION CONTROL DEVICES SHALL BE PLACED AT ALL CURB INLETS AND YARD INLETS NOTE.
AS SHOWN. \ OMMON►� \ A �\_\
11. THREE SETS OF RECORD DRAWINGS TO THE TOWN AFTER PROJECT ACCEPTANCE. \ �\ I I ) \ I I \ ELEMENT-\i P Jam/ I I / SHOULD THE TOWN OF SWEPSONVILLE PASS AN
12. ALL CONSTRUCTION TO NCDENR STANDARDS. r I
1J. THE DESIGN ENGINEER IS RESPONSIBLE FOR WATER AND SEWER CERTIFICATIONS THE \ I \ _ 6 I \ X / /\ / \ I / ORDINANCE IN THE FUTURE THAT ALLOWS CLUSTERING,
SEWER TESTING WILL BE PROVIDED PRIOR TO ACCEPTANCE. THREE SETS OF RECORD THEN ALL PHASES BEYOND PHASE I MAY BE MODIFIED IN
DRAWINGS WILL BE PROVIDED TO THE TOWN OF SWEPSONVILLE PRIOR TO PROJECT I \ \ I I SF `b 1#10 I / / I I ORDER TO INCORPORATE THE NEW CLUSTER ORDINANCE.
ACCEPTANCE.�, �� \ \//
14. ALL WATER MAINS MUST BE PRESSURE TESTED CHLORINATED PER TOWN OF I 1 \ \ PZNPS� I o t11
ZONE 2
ZONE 1
WIDTH OF STREAM
ZONE 1
ZONE 2
30'50'
0-30'
FROM TOB TO TOB
0-30'
30'-50'
20' RIPARIAN BUFFER
30' UNDISTURBED BUFFER
30' UNDISTURBED BUFFER
20' RIPARIAN BUFFER
z Qi z
Q wi Q
M M
L� c LL
O J O
o y o
i
SWEPSONVILLE STANDARDS AND SPECIFICATIONS 120 X J\ \ U- b
A I
La�
1
CLASS 1
Pipe - FES RIPRAP W2
W,
DETAIL - OUTLET PROTECTION
V
#1
18"
1.46
8'
4.5'
9.5,
1.5,
CLASS B
#2
30"
28.39
20'
7.5'
22 5'
1.5'
CLASS B
#3
60"
142.87
32'
15'
37'
2.2'
CLASS 1
#4
24"
10.94
12'
6'
14'
1.5'
CLASS B
I EBAE UMBER BUILDINIG SUPPLY I (�23 / ��3d9\ \ I I D
/ D, 3 24 G. 5 3 ) �_� l co l n I
'oq s B. 79 f U. 36 1 r >> I 9c 3 I\ I I j
/ ( o'er o�� / \ I \ ( �, n00
I 1 I
\I'
56 /\/ � � �
x \ - \ / / / \ / R 30 I Al) C R \ S 6 6 I EX. INLET� TO
STORM MANHOLE
WATER WILL FLOW
c
AROUND THE
RADIUS TO CI #14
� I #13 I I R�� X
�/
GRAPHIC SCALE
/9
\ W /
05 /�� - --- 1 \ / so o so ao 120 zoo
/ �� r ✓ / �� 561.
I 56 561
u \ L� I 561 56 ru_ / `3 I
�� / / / / // o / I I 56 .5 566.5 W \
MH#1
GATED - CI#4 00 T \ 0 I
ENTRANCE' / � / / \ 00 � % Z \ \
00
/ ter/ ` � � �5 �� \ I I I \ � � d• 1 r`�i �
o0CD
FO
559 559 L7 560.5 5 2.5 I I \ / S ) I c
r� J v / �� f SWAB �- H ADwAI Imo, / I I /I
CP I I I I I I \ \ Q Q _ 56�6,� �, I"9rF
- / 566 RCP �s6s6�
/ ag6s,-
/ o� �� \ � � I I I I _ / I / 1 a o- s �ti COMMON \ ��titi �A I I I
_ COMMON �fi I 0� / 1 l / I I �� ELEMENTS < \ I
ELEMENTS I\ / G
' DRAINAGE � SM /
56
564 6 / ESMT, 20_ RAINAGES
566 8° sEwER
- /6�5
EX. S WER - / -N�H - /
/ \ �TQVP\j63.54 _560- ti\//.r/ \54 / / / / I I / / Cb q
xyo\x//
X//
I
( IN FEET )
1 inch = 60 f L.
nwoomwahe
QUARRY HILLS SUBDIVISION
2220 GEORGE BASON ROAD
SWEPSONVILLE, ALAMANCE COUNTY, NORTH CAROLINA
ESCO GC INVEST, LLC
600 MARKET STREET, SUITE 600
CHAPEL HILL, NORTH CAROLINA 27516
CONTACT; ERIC DISCHINGER
PHONE; (336)317-33 5
,,���I�IIIIIIII
•.
+
9 Y
E A L
Sine e 1974
�•
Engineers Surveyors Planners
19773 i-
02/25/2020
4609 Dundas Drive Greensboro, NC 27407
Phone 336.854-8877 Fax 336-854-8876
��, T�0 •.•NINE.. �,,,�
FIRM LICENSE #C-0168
0%�
H:\DRAWINGS\Quarry Hills Golf Course\QUARRY H11IS PHI-AMY02-17-2b.dwIg
TTMSE 1 EAST GRADING,
STORM DRAINAGE PLAN
DATE: NOVEN BER 21, 2019
REVISIONS: DECEMBER 23, 2019
REVISIONS: FEBRUARY 25, 2020
413
1
C=
0.65
PERMANENT SWALE CHART
NOTE: EXCELSIOR LINER TO BENORTHAMERICANGREEN OREQUIVALENT.
21;25�202
I=
5.75
I1
PH1 WEST
NOTE: GRASS CAN WITHSTAND VELOCITIES OF FPS.
NOTE: MAX VELOCITY WITHOUTA LINER PER N.C. EROSION MANNUAL IS 2 FPS.
78 YEAR DESNGN STORM
SWALE
AREA
VELOCITY
FLOW DEPTH
CHANNEL
STAPLE
CALCULATED
PERMITTED
NO-
LENGTH
(Acre)
SLOPE (%)
SIDE SLOPES
FLOW (C.F.S.}
{FT/sec}
(FT.)
SHAPE
LINER
PATTERN
SHEAR STRESS
SHEAR STRESS
TRAPEZOIDAL
os75
1
114'
6.69
12.86%
3-1
21.99
6.13
0.48
6' BOTT041
❑
1.58
1.60
TRAP�PzaDAL
2
210'
0.43
5.26%
3:1
1.45
3.09
0.08
6' BOTTOM
DS75
❑
0.60
1,60
�D Po Da �e+
\ enev (`. \J"1� \ \/��" 7^ v 41briOght °O
/� C- 1/\\V� Rd yes cO qi
� \I\ \ l � \ � V\l _ ^\ \A V�/ � -'_/ _// / / / / \ /2� S //ER ESM� % 1 1 '�,+/\ � \, T II I \I I \\ 1 \I /\I \\ I I \i \ � �\� \i \\ \\\ �/\ \ i\ •e�C \I ��\\ 17\� \ �Ra \ �Olde nnS °rinN3.M1.
rayr e 0
SM
'W A
\ 716 �Q�u an Ct.
LOT DIMENSIONAL REQUIREMENTS 1l Q oJ2 e°t°oeneerbob°s\eoo b P\e.��>O�\r°o oJ/(
9e
Teoa � D/A MINIMUM SIZE....................................8,000 E
S MINIMUM STREET FRONTAGE..................60I i
\
P!.P.
°o.
'�r 0° Q a
\ 20SEER ESMT=
DEVELOPMENT REQUIREMENTS
v / FES- , e
OUT= 5 I \ \ \ \ \ FRONT SETBACK............ 30
SIDE SETBACK........................................10' e°tom o a o
STREET SIDE SETBACK ...........................25'
REAR SETBACK..... ..............................20 w � c� � moo°
❑ y
O\ v! �� I / - GENERAL NOTES R AvErnest Ln
I
go rc
4- \ \ I\ \ / \ • ROADWAYS TO BE CONSTRUCTED PER NCDOT
00 00\ �D \ \ �\ \ \ \ STANDARDS AND SPECIFICATIONS. Q
1 563 563 / r�i� 3 O \ \ \ S �\ \ \ \ \ \ /�/ pOds de o Grove °
i \ / I a\ \ \ • UTILITIES TO BE OWNED AND MAINTAINED BY TOWN
/ ROCK AT ��/ / \ ( \ \ 8 \ \ \ \ �"I \ OF SWEPSONVILLE ONCE INSTALLED, INSPECTED AND
10, DEPTH g / �� / ��� \ \ \ \\ ` jC\ ACCEPTED BY THE TOWN. VICINITY MAP
t \ ss� �� / / �' \ \ \ dN\�S6 A • ALL PROPOSED PUBLIC STREETS SHALL HAVE 30" (1" = 201
V 65 \ w � � \N� DD
\ / / / \ \ I I \ I D,& 3 E \U L CURB & GUTTER AND BE MAINTAINED BY THE NCDOT.
/P \04 P¢ PIPE CHART - DESIGN STORM: 10-YR
0 7534. 0 / B' �1 0 l ' • EROSION CONTROL PLAN TO BE REVIEWED AND
To Line Iner. Total Runoff Incr Total Inlet Time Rnfal Total Add Total Capac Pipe Pipe Inv Elev fm Elav HGL HGL GmdlRim GmdlRim
-PAD
PA'C \' 2 6 APPROVED BY NCDENR. THIS HAS BEEN COMPLETED Li'i� Line Lenym Area Area CoQtf, CXA. G7tA Tme conc Ent Runorr Flaw Flow fu11 HOC Sze slope on Up On Up Dn Up �eIp
P TYP. ELEV.( / / �\ \ / 1S \ o, / \ 2 5 iV \1g6 AND PERMIT ISSUED ON OCTOBER 21 , 2019. -
�^� {n) [ac] {ac) [C] [inin [min} {p1ltx] {cfs} [cfs) {cfs] (cfs] (nls) [in) {%) {ft] {ft} [ft) _(tt} (ft) (it)
• 1 Oulfall 50.001 0.30 0.30 0.65 0.20 0.20 10.0 10.0 5.6 1.09 4.00 1.09 10.91 2.90 18 1.08 564.53 565.07 564.93 565.47 566.03 566.57 pipe I
5�'S (564 563.5 5 J I \ 1 J/ / I I I GENERAL NOTES: 2 Cutfall 104.000 0.43 329 0.65 0.28 2.14 10.0 13.E 4.9 10.53 0.00 10.53 27.11 675 18 6.66 542.80 549.73 544.04 550.97 544.50 553.81 PIPER
y 1. TOWN WILL PURCHASE AND INSTALL STREET SIGNS AND BACK
r LL / \ \ \\ I I I I CHARGE DEVELOPER. 3 2 28.000 D.45 2.86 0.66 0.29 1.86 10.0 13.8 4.9 9,17 DOD 9.17 6.46 7,51 15 1.00 649.93 650.21 561.14 561.68 553,81 563.81 PIPE 3
/ I 4 3 95.000 D.00 2.41 0.65 0.00 1.57 10.0 13.6 5.0 7.78 D.DO 7.78 14.09 6.56 15 4.76 550.41 554.93 552.99 556.04 553.81 558.16 PIPE4
�F�\ \ S 2. ALL CONSTRUCTION TO BE /N ACCORDANCE WITH ALL TOWN OF
J tcr'11,
�S� SWEPSONVILLE , SPECIFICATIONS AND STANDARD DETAILS, LATEST 5 4 45-COD D.SD 241 0.65 D.33 1.57 10.D 13.5 50 7.81 D.DD 7.81 11.59 6.65 15 322 555.13 556.58 556.31 557.69 55816 56023 PIPE5
jEDITION. 6 5 28-COD D.39 046 0.65 0.25 0.30 10.D 13.1 50 1.51 D.DD 1.51 610 196 15 089 556.78 557.03 557.69 557.68 550.2356023 PIPE6 > \
3. COPY OF APPROVED EROSION CONTROL PLAN MUST BE SUBMITTED
��- � � \ T I \ S I / / I / 7 6 39.000 0.07 0.07 0.65 0.05 0.05 10A 10.0 5.6 0.25 D.00 0.25 10.18 1.16 15 2.4E 557.23 55820 557.96 558.40 56023 560.23 PIPE 7
_ \ / I I I I TO THE TOWN.
/ 62 / ) l / r L I I / 4. LIMITED INSPECTIONS WILL BE PERFORMED BY THE TOWN. THE 8 5 2za.00s D.aS 1.a5 0.65 D.z9 D.9a 1o.O 1D.2 5.6 5.z5 o.DD 5.25 6.8E 5.04 15 1.1a 556.78 559.33 557.86 56O.z5 560.z3 563.22 PIPE8
/ / / / \ / BT A`1' 1$' \ / I ' CONTRACTOR /S RESPONSIBLE FOR HIRING A PRIVATE INSPECT/ON 9 8 29.000 1.00 1.00 0.65 0.65 0.65 10.0 10.0 5.6 3.64 0.00 3.64 6.46 4.04 15 1.00 559.53 559.82 560.54 560.58 56322 563.22 PIPES
DEPTIT \ I / COMPANY TO INSPECT ALL INSTALLATION AND SUBMIT RECORDS AND 1D outfall 53.00D D.OD 6.69 0.66 0.00 4.35 10.0 13.0 5.1 21.99 D.DD 21,99 125.97 6.79 3D 9.43 534.00 539.00 535.67 540.57 534.00 561.50 PIPE 10
I lU7 -20' DRA _ ES _ - I II / I TEST REPORTS TO THE ENGINEER AND THE TOWN OF SWEPSONVILLE.
J-1 I i I 5. A MIN/MUM OF 48" OF COVER OVER WATERLINE WILL BE REQUIRED. 11 10 99.000 0.51 6.6E 0.65 0.33 4.35 10.0 12.6 5.1 22.26 0.00 22.26 92.90 6.01 30 5.13 539.20 544.28 541.24 545.86 551.50 551.23 PIPE 11
7�
t 6. CONTRACTOR SHALL NOTIFY TOWN OF ALL INSPECTIONS AND GIVE 'iz 11 28-COD Des s.18 0.65 0.18 4.02 10.0 12.5 5.1 2D.sa D.DD 2a.64 29.00 5.01 30 0.50 544.48 544.62 W.49 546.52 551.23 5s1.a2 PIPE i2
ROCK AT / J I 1 j - Can\ \ THEM THE OPPORTUNITY TO ATTEND. 13 12 59.000 D.00 5.90 0.55 0.00 3.84 10.0 12.3 5.2 19.87 D.DD 19.87 29.24 4.36 30 0.51 544.82 545.12 547.13 547.21 551.42 550.D3 PIPE 13
\ ,$' DEPTH i / S I 8,,304 S\ 7. TESTING OF SEWER MAINS TO BE PERFORMED PRIOR TO
I I / "' ( ] I I / PRELIM/NARY ACCEPTANCE OF THE PROJECT. 14 13 136.000 0.56 056 0.65 0.36 0.36 10.0 10.0 5.6 2.04 o.DD 2.04 13.78 2.70 15 4.55 545.61 551.80 547.53 552.37 550.03 556.so PIPE 74
8. TOWN OF SWEPSONVILLE AND ENGINEER TO RECEIVE 1 COPY OF 15 13 39.00D D.49 5.34 0.65 0.32 3.47 10.0 12.1 5.2 18.D9 D.00 18.09 29.37 4,07 3D 0.51 545.32 545.52 547,53 547.57 550.03 549.79 PIPE 15
ALL SHOP DRAWINGS FOR ALL MATERIALS TO BE INSTALLED ON SITE. 1s 15 2s.Oo0 Ds3 O.s3 o.ss D.3a D.3a 10.0 1D.0 5s 1.93 D.DD 1.93 as7 1.57 15 0.50 5as.31 54s.45 sa7.9s 5as.01 5a9.79 549.45 PIPE 16
cn cn / < ( 1 / 9. THE TOWN RECOMMENDS MONTHLY/WEEKLY MEETINGS WITH TOWN 17 15 86.000 D.14 4.32 0.66 0.09 2.81 10.0 11.8 5.3 14.79 D.OD 14.79 26.15 6.60 24 1.34 546.00 547.16 647.98 548.51 549.79 561. DO PIPE 17
/ I t S J / I / I PERSONNEL, ENGINEER, AND CONTRACTOR TO DISCUSS PROBLEMS 18 17 40.000 0.47 4.18 0.65 0.31 2.72 10.0 11.6 5.3 14.38 D.DD 14.38 36.29 5.77 24 2.58 547.35 548.3-5 549.02 549.72 551.00 552.56 PIPE 18
N c a U) / / / AND QUESTIONS.
o / 1 8 158 SF I E / / ( 10. EROSION CONTROL DEVICES SHALL BE PLACED AT ALL CURB 19 18 28.000 0.32 3.71 0.65 0.21 2.41 10.0 11.5 5.3 12.81 O.oD 12.81 22.62 5.37 za 1.00 548.58 548.86 550.21 550.13 552.56 552.56 PIPE 19
O I �/T l INLETS AND YARD INLETS AS SHOWN. 2D 19 38.000 0.92 1.62 0.65 0.60 1.05 10.0 10.2 5.6 5.85 D.DD 5.85 12.39 5.25 15 3.68 549.55 550.95 550.99 551.92 552.56 554.35
PIPE 20
\ \ / / I ( T77 .L' 11. THREE SETS OF RECORD DRAWINGS TO THE TOWN AFTER 21 20 29.000 D.70 0.70 0.65 0.46 0.46 10.0 10.0 5.6 2.55 0.00 2.55 6.46 3.29 15 1.00 551.15 551.44 552.09 552.D8 554.35 554.35
1 561 1 /�61 559� 557,E / / �J,540 � II �� PROJECT ACCEPTANCE. PIPE21
T 10' / / ` 1 l I WETLANDS 12. ALL CONSTRUCTION TO NCDENR STANDARDS. 22 19 166.000 D.31 1.77 0.65 0.20 1.15 10.0 10.7 5.5 6.28 O.DD 6.28 17.71 4.42 18 2.84 549.06 553.78 550.99 554.74 552.56 556.98 PIPE 22
13. THE DESIGN ENGINEER /S RESPONSIBLE FOR WATER AND SEWER 23 22 132.000 1.46 1.46 0.65 0.95 0.95 10.0 10.0 5.6 5.31 D.DD 5.31 10.50 4.24 18 1.00 553.98 555.30 555.17 556.18 5W.98 557.80 PIPE 23
CERTIFICATIONS. THE SEWER TESTING WILL BE PROVIDED PRIOR TO 24 Outfall 36.000 D.OD 0.43 0.66 0.00 0.28 10.0 12.3 5.2 1.46 D.OD 1.46 17.77 3,32 15 7.67 661.60 554.16 661.98 564.63 552,75 568.50 PIPE 24
/ l \ _ 1 \ L v \ ACCEPTANCE. THREE SETS OF RECORD DRAWINGS WILL BE PROVIDED 25 24 116.090 D.19 0.43 0.65 0.12 0.28 10.0 10.7 5.5 1.52 O.DD 1.52 9.50 2.52 15 216 554.35 556.86 555.22 557.35 558.50 561.2E PIPE 25
\ #1 0 Jam- 3� S\ \ TO THE TOWN OF SWEPSONVILLE PRIOR TO PROJECT ACCEPTANCE. 14. ALL WATER MAINS MUST BE PRESSURE TESTED CHLORINATED PER D 2s 25 32.00D D.za 02a o.ss D.1s o.1s 10.0 1D.5.6 0.87 D.DD 0.87 646 1.52 15 1.00 57.06 557.38 557.87 557.86 5612E 560.78 pIPE26
^ l \ I
TOWN OF SWEPSONVILLE STANDARDS AND SPECIFICATIONS. 27 OUtfall 35.COD D.OD 2.52 0.65 0.00 1.64 10.0 11.6 5.3 8.67 D.DD 8.67 11.23 6.10 18 1.14 546.00 546.40 547.12 547.52 54725 551.DO PIPE27
03 CI# 1 `\ \ 28 27 116.000 0.73 2.52 0.65 0.47 1.64 10.0 11.3 5.4 8.78 0.00 8.78 9.75 5.74 18 0.86 546.60 547.60 547.92 W-73 551.00 551.35 PIPE 28
/ L \ 29 28 36.000 0.66 1.79 0.65 0.43 1.16 10.0 11.1 5.4 6.27 ODD 6.27 821 4.32 18 0.61 547.80 548.02 549.03 549.11 551.35 552.30 PIPE 29
\ \ I 1 I I I - \ 30 29 151.117 1.13 1.13 0.65 0.73 0.73 10.0 10.0 5.6 4.11 0.00 4.11 7.54 3.58 18 0.52 548.22 549.00 549.42 549.78 552.30 553.00 Pipe 3D
PAD ELEV. BT A 15 / 1 / >
\ 31 Ou[fall 49.000 0.53 0.53 0.65 0.34 . 0.34 90.0 10.0 5.6 1.93 0.00 1.93 13.68 3.66 15 4.4E 555.80 558.90 556.36 558.56 557.05 55925
1�11'D_E_PT _ - v DEPT
\ U \ 561 5 56Y).5 5 0558 \
L1_" I
v \ n,u +U r r11
('\ �� v vI I s \ V A ELEMENTS 4 SF I CD\ \
1 Q,487 SF \ \ \ \ Y Y\ / /
8,1532 �F � I I I 1 f \ � \ � .- ROk AT - )II \ \ I ( I \ I I�
29 SF
EP
9,374 SF-
\ I A / /�
\ \ COMMON I10 S
::�,ELLEMENT.5��gsF/ C„R,So,\\7 ALL WEATHER GRAVEL ACCESSr \ \ ) ROAD TO BE BUILT FROM ROAD "D"
\ / � // TO CRESCENT DRIVE. USE 8" ABC
\ / B AT 1�' I 5� SF � � � V
\ \ \ \ \
/ � \ 8,132 SF � .� 1 \ � f \ \
� \ \\ -\ � ✓ � STONE. HOME OWNERS ASSOCIATION
� 7\8 � _ � ( � , B\\�\\ \ WILL MAINTAIN THE PROPOSED GRAVEL
\ ( ACCESS ROAD. A SIGN SHALL BE POSTED
\ 8,387 SF-) p
\ \ INDICATING (HIS IS A EMERGENCY VEHICLE / ENTRANCE. NOTE: OWNER IS STILL TRYING / �N/V \ TO OBTAIN PERMISSION TO INSTALL THE
ROAD ON THE WEST SIDE OF
NOTE:
\ A � PROJECT@RIVER VIEW DRIVE.) INSTALL
ANY SOILS TAKEN FROM THIS SITE OR FILL GATE AT BOTH ENTRANCES TO ROAD.
o1 MATERIAL BROUGHT TO THIS SITE MUST BE
L ( I // Oc� / \ \ \7 DISCLOSED TO THE EROSION CONTROL
6,S \ ,y / o 2 INSPECTOR.
NOTE:
T \ \ \ r \ d \ OWNER I5 RESPONSIBLE FOR ANY IMPACTS TO
O z DJURISDICTIONAL D � � �
n
�H I \ \ F__CD ���zr- �rvoDd F_\\➢D ,\fro NOTE:
D o _ \ R' �\ �' J = �, G �' � ALL THE NECESSARY APPROVALS HAVE BEEN/
D Dtd D� D�� W _ �� O \ ��o
d r D 1 ➢ D 70 ry r1 D z I Ln c) c o R V) _ � -o o C � WILL BE OBTAINED FROM THE STATE/CORPS FOR ENVIRONMENTAL NOTE:
p td C7 D _ bj 7> I �7 R� c� o C CD -i ^ / ro C O Ul C _ ry d \ C
z z co I� W r- o _ - 0 z Un c v o z \ �_ ANY WETLAND DISTURBANCE AND STREAM
W 71 70 - r -1 W Co '- FT W \ \ \ ( J W r o G S 3 J C P-1 J CO
n r CO I) l o \ �n ANY WETLAND AND STREAM IMPACTS MUST BE PERMITTED
CO r- r i W o I r Co J z r = J W Lr � ,�� o ry o CROSSING OR DISTURBANCE.
r- � � � � o � � � � , -0 r1 J I J \ ro :K �� D o o ry � THROUGH USACE AND NCDWQ. IF ANY OF THIS
o _ � L) o o \ c � \ I I n v D D \ \ RIP RAP ouTLET PROTECTION PERMITTING NECESSITATES ANY LAYOUT CHANGES, THEN
e \ \ n \ \ � \El \ \ \ D/ - -�La� FEs# slzE rLow(cfs) Ea w w2 Thickness RIP -RAP THE TOWN OF SWEPSONVILLE AND ALAMANCE COUNTY
M M M
M _ M - M-- / CLASS 1
- I M 74� - T\- /` Pipe - FES RIPRAP wz
M M M M \ --- � /
- Y
GRAPHIC SCALE
60 0 30 60 120 240
\---- \ ---- 1 / 60' RIGHT ❑F WA
DETAIL - OUTLET PROTECTION GEOT LINER TO INSTALLED
UNDERNEATH
RAP RIP RAP PAD ( IN FEET )
1 ir1Ch = 60 f L.
#1
18"
6.54
to'
4.5'
15'
1.5'
CLASS B
#2
18
7.29
to'
4.5'
15,
1.5'
CLASS B
#3
30"
25.42
16'
7.5'
24'
1.5'
CLASS B
#4
15"
2.99
8'
4'
12'
1.5'
CLASS B
#5
15"
2.99
8'
4'
12'
1.5'
CLASS B
#6
15"
1.98
8'
4'
12'
1.5'
CLASS B
QUARRY HILLS SUBDIVISION
2220 GEORGE BASON ROAD
SWEPSONVILLE, ALAMANCE COUNTY, NORTH CAROLINA
ESCO GC INVEST, LLC
600 MARKET STREET, SUITE 600
CHAPEL HILL, NORTH CAROLINA 27516
CONTACT; ERIC DISCHINGER
PHONE; (336)317-33 5
•.
9 10
E AL
Since 1974
Engineers Surveyors Planners
19773
•:,
4609 Dundas Drive Greensboro, NC 27407
02/25/2020
Phone 336.854-8877 Fax 336-854-8876
FIRM LICENSE #C-0168
H:\DRAWINGS\Quarry Hills Golf COurse\QUARRY HILTS PH 1-AMY 02-17- .dwg
P SE 1 WEST GRADING,
STORM DRAINAGE PLAN
DATE: OCTOB R 31, 2019
REVISIONS: DECEMBER 23, 2019
REVISIONS: JANUARY 10, 2020
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