20200941 Ver 1_RESPONSE to More Info Request 9/01_20201002

Strickland, Bev
From:
Jim Mason <[e-mail]>
Sent:
Friday, October 2, 2020 1:57 PM
To:
Johnson, Alan
Cc:
Nathan Howell; Michael Wood; Nancy Oberle; Roden Reynolds, Bryan K CIV (US);
[e-mail]; Perez, Douglas J
Subject:
RE: [External] RE: Corporate Center - Albemarle
Attachments:
ACC -Comparison of Stream Impact Changes.pdf, Environmental Impacts 9.28.20-
compressed.pdf, Grading & Erosion Control 9.28.20-compressed.pdf; Roadway Plan &
Profiles 9.28.20-compressed.pdf, Alternative Routesjpg
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[e-mail]
Alan -
I apologize for the delay in providing this information to you. We were working with Chambers Engineering and The City
of Albemarle to collect the necessary information. Below are our responses:
Justification about why alternative routes were not pursued or were not feasible
With regards to your question about alternative routes, below are responses and accompanying narrative as to
how the proposed route was chosen:
1. With regard to the red route, the red route connection to existing roads on the north side of the
property is not possible because of property constraints and existing development. The majority of what
you proposed is beyond the limits of what is owned by the City. The City -owned property is bounded by
dark green on the attached "Alternative Routes" .jpg. The City has acquired narrow road ROWS outside
of their property to connect to the existing streets. Further, the jurisdictional features were delineated
generally to the extent of City property and if further delineated, we are confident that your proposed
route here would also cross the same number of features as currently proposed. There is also an existing
house right in the route and the possibility for multi -family development on the property directly to the
north of the City's property where you have proposed a connection to Leonard Ave.
2. The proposed crossing between the ponds utilizes an existing road, thus minimizing jurisdictional
impacts. In the existing state, Poplin Branch is a perennial stream that has been dammed to create the
ponds. Our team believes that removing in water structures on live streams and returning them to
natural flow conditions would be more environmentally beneficial. Your proposed blue route would
cross two streams, Poplin Branch and a parallel UT, necessitating a wider footprint and essentially twice
the stream impact, and not remove the ponds on Poplin Branch. Also, we believe that removing the
ponds responsibly is preferable from not only an environmental/ecological perspective, but also from a
maintenance perspective. Having a stabilized, eventually natural, streambed does not require the
maintenance or future possible issues of two ponds. The blue route also does not allow the same road
frontage/access along Business 52 as the proposed route does.
3. As shown on the previously -provided built -out conceptual plan, we have attempted to reduce stream
crossings and where necessary, cross at as close to a 90-degree angle as possible. We balanced this with
trying to place future buildings in areas that are currently cleared, and preserving as much wooded area
as possible, all while ensuring that there is sufficient construction potential and creating an attractive

development such that the Corporate Center will be financially successful for the City. The red route
does not allow the same access to developable areas within the property as our proposed road does.
For example, sites with best existing topography and access to our proposed gravity sewer network.
Pond drainage plan. sediment control. and eradine plan
We have addressed these concerns in the Pond Drainage Plans and Preliminary Stream and Riparian Area Restoration
Plan that we recently emailed to USACE and cc'ed you on. Please let me know if you would like me to directly send
copies to you or whether this method of delivery was sufficient.
Rip rap in stream channel
The Permit Drawings (named "Environmental Impacts 9.28.20-compressed"), Roadway Plans, and Grading and Erosion
Control Plan have been updated to account for the rip rap in the streambed being considered permanent impact. We
have also included a Comparison of Stream Impact Changes showing which sites were affected. A total of three sites had
increases to their impact totals. Each has a 10-foot countersunk rip rap pad at the downstream culvert outlet that was
not previously included; these pads do not result in a loss of water. An additional 10 feet of countersunk rip rap will
occur at an additional site, Site 15, on the downstream end of the pipe that separates Ponds PE and PF; a larger
temporary rip rap apron will be placed at this location as part of the erosion control plan after the ponds are drained
and pared back to the 10-foot pad later in construction. However, this was not calculated as a stream impact, since no
stream channel exists at this point in time, and was accounted for in the pond drainage impacts. The final 10-foot pad
will not be counted as part of the stream restoration linear footage.
Stormwater management
The attached Grading and Erosion Control Plan addresses how stormwater will be managed during the road construction
portion of the project. Future development on the site will incorporate appropriate stormwater BMPs. Additionally, The
City of Albemarle is moving toward adopting the Phase 2 Stormwater Program, and the future site development may
likely occur after these requirements have been adopted.
Culvert configuration
The attached permit drawings, grading and erosion control plan, and roadway plans have been revised to address your
comments regarding the culverts.
Please let me know if you have any questions or require any additional information.
Thanks and have a great day,
Jim
From: Johnson, Alan <[e-mail]>
Sent: Tuesday, September 1, 2020 11:01 AM
To: Jim Mason <james. mason @threeoaksengineering.com>
Cc: Nathan Howell <[e-mail]>; Michael Wood
<[e-mail]>; Nancy Oberle <[e-mail]>; Roden
Reynolds, Bryan K CIV (US) <[e-mail]>; [e-mail]; Perez, Douglas J
<doug. perez@ ncden r.gov>
Subject: RE: [External] RE: Corporate Center - Albemarle
Below is a diagram avoiding stream impacts (and an alternate blue route). Please provide a
reason why such a road cannot work. Given there is no hard plan, this should work. Also, if

the pond is to be drained, this would count as a stream impact. Pushing stream impacts to
341 If. (The state permits permanent impact. Riprap in the channel is a permanent impact.
T +�
What measures are to be taken to connect the pond to the stream channel once it is drained
(often times the elevation inside the pond and outside the toe of slope (at the breach) has to
be adjucted/corrected. What measures are there to prevent sediment transport in the pond
into the stream is being utilized.
This site is endowed with numerous streams and the large footprints proposed can have a
devastating impact on small streams from the volume and velocity of runoff from such
3

facilities (previous email). Also the sewer line opens up the previously undeveloped
area. Any future sites that connect to the line, would need to mee the Stormwater
requirements associated should/when the 401 is issued.
Culverts should be offset, not installed parallell. A base flow culvert and a stormflow
culvert. The channel dimension/width must be maintiaied at culvert inlet and outlet. Culvert
must be buried 20% of culvert width/diameter not to exceed 1 ft. For wetlands, culverts are
to installed at grade to maintain hydrology. See attachments
Numerous issues appear to need to be addressed.
Thanks
Alan Johnson
DWR
DEvtsion of Water Resources
Alan D Johnson — Senior Environmental Specialist
NC Dept. of Environment & Natural Resources (NCDENR)
Division of Water Resources - Water Quality Regional Operations
610 East Center Ave., Suite 301, Mooresville, NC 28115
Phone: [phone] Fax: [phone]
E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties unless the content is exempt by statute or other regulation.
From: Jim Mason [mailto:[e-mail]]
Sent: Wednesday, August 26, 2020 2:31 PM
To: Johnson, Alan <[e-mail]>
Cc: Nathan Howell<[e-mail]>; Michael Wood
<,[e-mail]>; Nancy Oberle<[e-mail]>; Roden
Reynolds, Bryan K CIV (US) <[e-mail]>; [e-mail]
Subject: [External] RE: Corporate Center -Albemarle
External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
[e-mail]
Alan-
4

I hope that you are doing well. Thank you very much for the comments on our permit application. I apologize that it has
taken so long to respond; we have been gathering information for both NCDWR's and USACE' comments on the
application. Below are our responses to your requests/questions in red. Please let me know if you have any questions or
require any additional information.
Thanks and have a great day,
Jim
From: Johnson, Alan <[e-mail]>
Sent: Monday, August 10, 2020 11:08:15 AM
To: Nathan Howell<[e-mail]>; [e-mail]
<mdonham (@aIbemarlenc.eov>
Cc: Roden Reynolds, Bryan K CIV (US) <Bryan.K.Roden [e-mail]>
Subject: Corporate Center - Albemarle
A few comments regarding the application:
The "owners" name was not printed on the agent authorization form. Please provide
Michael Ferris, the City of Albemarle City Manager, was the person who signed the agent Authorization Form
have updated the form to include his printed name in the Property Owner portion of the signed form and
attached an updated copy.
Only a road(s) is shown for the corporate center. Is there no proposed site diagram for this
project. Future development may require or request impacts for additional streams. That may
could be avoided if understanding the needs.
Attached is the most recent concept map for the Albemarle Corporate Center. I had intended to include this in
the application package and apologize that I did not. The diagram is preliminary at this point and the final layout
will be dependent on the future development needs in the center. The current concept plan avoids additional
impacts to streams and wetlands and, although not developed yet, the future layout will also attempt to
avoid/minimize impacts related to future utilities.
Also, storm water management will be required for the site and any future connections to the
sewer line and must be reviewed and approved by DWR for any future development in the
park and sewer line.
We spoke with our prime, Chambers Engineering, regarding the stormwater management and they said that
there are not any proposed permanent stormwater measures because the area is not a State managed Phase II
Stormwater area and Albemarle/Stanly County in this location does not have any local stormwater standards.
The project, however, does have an Erosion Control Plan for the construction of the roadway that has been
approved by DEQ (provided with the ePCN). Does NCDWR have additional requirements that supersede this
designation?
It seems mitigation is actually the draining of the pond. Are any measures being taken to
ensure to protect the channel from pond degrading (loss of sediment)
We are currently developing a pond drainage plan to outline what steps will be taken for the pond drainage and
to avoid/minimize loss of accreted sediment downstream during and after the ponds are breached. USACE has

also requested a pond drainage plan and we will provide that to both agencies when it is completed in the near
future.
Thanks
Alan
DWR
Dh slon of Water Rv%ourcc%
Alan D Johnson — Senior Environmental Specialist
NC Dept. of Environment & Natural Resources (NCDENR)
Division of Water Resources - Water Quality Regional Operations
610 East Center Ave., Suite 301, Mooresville, NC 28115
Phone: [phone] Fax: [phone]
E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties unless the content is exempt by statute or other regulation.

Table 1. Comparison of permanent stream impacts between PCN and revised drawings
Site/Sheet No.(PCN Site No.)
Original Impact (lin. ft.)
Revised Impact (lin. ft.)
7 (S5)
73
83
9 (S8)
71
81
14 (S12)
89
99
Total
233
263
Note 1: It was identified, based on a comment from NCDWR in their September 1, 2020 email, that 10 feet of rip rap in each of
the above streams (at the downstream end of each proposed culvert) was not accounted for in the original PCN calculations. This
riprap will be countersunk and will not result in a loss of water. These are the only revisions to impacts associated with the project.
Note 2: An additional 10 feet of countersunk rip rap will occur at Site 15, on the downstream end of the pipe that separates Ponds
PE and PF; a larger temporary rip rap apron will be placed at this location as part of the erosion control plan after the ponds are
drained and pared back to the 10-foot pad later in construction. However, this was not calculated as a stream impact, since no
stream channel exists at this point in time, and was accounted for in the pond drainage impacts. The final 10-foot pad will not be
counted as part of the stream restoration linear footage.

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Temporary Wetland Impact
Permanent Wetland Impact
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THIS DRAWING IS AN INSTRUMENT OF SERVICE AND SHALL REMAIN THE PROPERTY OF
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RIGHTS INCLUDING THE COPYRIGHT THERETO. THIS DRAWING SHALL NOT BE REPRODUCED OR \ / / I 1 1 I I I I I I / / / / / / / / AL 1 II �40 ' /
COPIED IN WHOLE OR PART, UNLESS OTHERWISE PROVIDED FOR IN WRITING. \ / / I I I I I I I \ 1 1 \ (� 1 \ 1 I I I / / / / / / / / / /
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CULVERT A-7 CROSS SECTION VIEW
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STREAM BANKS IN
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STREAMBED. TO BE INSTALLED
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CULVERT A-8 CROSS SECTION VIEW
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CULVERT A-10 CROSS SECTION VIEW
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NARRATIVE: SELF -INSPECTION NOTE: WL
509.6
The proposed project is for the construction of a new roadway and supporting The GC shall, on behalf of the landowner/financially responsible party, perform an / / / / / / / / - ; 1 _
/ / / / / / / / / / / / / � 565 � � \ ` I 1
infrastructure. This project is located off South Business 52, Albemarle, Stanl inspection of the area covered b the Ian after each phase of the Ian has been / / / / / / // / / I \ \
P J Y P Y P P P i / / � / / / / / // /
County, NC. Total disturbed area for this project is 37.66 acres. The scope of completed and after establishment of temporary ground cover in accordance with G.S. / / / / / / / / / / / / / / / o \ \ I I I
�� / / / / 1 it co 566 / ALBE1iARLE
work includes installation of erosion control measures, clearing, grading, construction 113A-57(2). The person who performs the inspection shall maintain and make available // / j / / / / / / // / / / / / / // / / / / / / / 1 560 i � 1 \ \ - ) I I NON-r'[ C�„�oL.1NA
of a new roadway, and installation of utilities. a record of the inspection at the site of the land -disturbing activity. The record shall / / / / j // / / / / / / // / / // / / / / // / // / / / /
set out any significant deviation from the approved erosion control plan, identify any I I / / / / / / / /
measures that may be required to correct the deviation, and document the completion / / / / / / MAT
MAINTENANCE PLAN: III I / / / / / / / / / / CHLINE / \
of those measures. The record shall be maintained until permanent ground cover has / / / / / / / / � SHE
The following maintenance plan shall be followed until the site is completely stabilized after construction. During ) \ I / / / / / / / / / / / T GEC_ 1 'S6
been established as required by the approved erosion and sediment control plan. The I ( / / / / / / / / / 2 1 8
construction the Contractor shall be responsible for inspection and maintenance of all erosion and sediment control
structures. self -inspections required are in addition to inspections required by local and/or regional \ / I I I I /// •
erosion and sediment control authorities. / / / / / / / / / / / / / / / / / 7 0 1- -S6
1. A log must be kept for the site documenting each rainfall event and measures taken to repair or replace any
damaged erosion control measures. All NPDES rules shall apply. > \, \ \ \\\\ \\\ \ \\X \ \ \\\ \\� / 1 \ ` IIII / / ( / j / / / / / / / // / / / / j/ / / / / / / / / / / / / / / / /
\\I 1 565
2. All erosion control measures shall be checked for stability and operation following any rainfall producing runoff and at
D least once every week. Any needed repairs shall be made immediately so that all erosion control measures are _\\\ \\`- \ \ \\\\ \\ \\ \II \ \ I \ \\ I I / / / / // / // / / / / // / / / / / 1>�\ \ \ \\ / / / / D
maintained as designed. - \\ \ \\\ \\ \ llll _ \\ \ 1 I \\ �� I II I // / / // / / / // / / / / // / / / / / / / / / / / l i 1 l
9 \�\\ \ \� \//
�� \ \ \\\\\ \ \ \ \111 \ \\\ I / / // / / // / /// /// //// /✓ / / 2\ \ \ \ / / / /
3. The sediment traps shall be cleaned out when the level of sediment reaches the mid -depth point below the weir
elevation. Washed stone shall be cleaned or replaced when the sediment pool no longer drains properly.
/
4. All seeded areas will be fertilized, reseeded as necessary, and mulched in accordance with the seeding specifications in
order to maintain a dense vegetative cover. \ \ \ \ \ \ \ \\\ \ \� \ \ \ \\ \ \ \ �\ \ \ \ \ \ / /II IIII / / / / / / / / / / 1 4-
/ll 111 IIII l l 1 1
5. Sediment deposits shall be removed from sediment fence after each storm event or sediment fence should be
I P Y P PP 9 Y P \ \ \\ \\\\\\ \\\\\\ \\\\ \\\Illlr^ \\\\ \\\\ IIII IIII I/ / / / / / / / l I l l / l l l l ll l l l l l l l ll 1 575
replaced. The must be removed when deposits reach a rox. half the height of the barrier. An sediment deposits - � x �
remaining in place after the sediment fence is removed shall be dressed to conform to the existing grade, prepared
and seeded.
6. Temporary erosion and sedimentation control measures shall remain in place until the site has been stabilized and a
representative of the NC DEQ Mooresville Regional Office Land Quality Section has approved their removal.
7. Any off -site borrow and waste required for this project must come from a site with an approved erosion control plan, \ \\ \ \ \ \ \ \ \ \ \\ \ \ \\\ \\\\ \\\\I III \\ \ \ \\ \ \ \ \ \ \ \ �` \ \ \ \ \ 1 I / / / I LIMITS OF
a site regulated under the Mining Act of 1971, or a landfill regulated by the Division of Solid Waste Management. \ \ \ \ \ \ \ \ \ \ \\ \ \ \ \ \ \ \ \ \ \ CONSTRUCTION
Trash/debris from demolition activities or generated by any activities on site must be disposed of at a facility
i regulated by the Division of Solid Waste Management or per Division of Solid Waste Management or Division of Water\\\ \\\ \\ \\ \\ \\ \ \ I \ � \•\ \\ \���� �II////// SILT FENCE, TYP. AS
Resources rules and regulations.
/
SHOWN. REF. DETAIL (4D
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8. Plan should include provisions for groundcover in accordance with NPDES Construction Stormwater General Permit I VEGETATED SWALE, VS-3.
\ NCGO10000 and permanent groundcover for all disturbed areas within 7 working days or 14 calendar days (whichever is \ \ \ \ \ \ \ \ \ \ \ \ \\\\ \ \\ \\I\ �\ \ \ o\ \ \ , / 1 I 1 I \ shorter) following completion of construction development. �\ LINE W/ STRAW W/ NET
IMMEDIATELY Lr INSTALLATION
CONSTRUCTION SEQUENCE.
LEGEND
/
/
SEDIMENT TRAP ST-3,
1. Obtain plan approval and permits prior to beginning work. \ \ \ \ \ \\\\ \\\\ \ s
2. Fla the work limits to prevent unnecessary clearing. \ \ \ \ \ \ \ \ ` S 1 I I I I I DIM: 2CF TOTAL
9 P Y 9• sr Temporary Sediment Trap \ \ \ \ \\\\ \\\\ \ \ � o �0 1,200 CF TOTAL VOLUME ®WEIR
3. Hold pre -construction meeting at least one week prior to starting construction. \ \ \ \ \ \ \ \ 1 / I I III
�\ Notify NCDEQ 48 hours prior to meeting. �� Temporary Sediment Fence \ \ \ \ \ \ \ \ \ \ \\\\ \\\\ , \ \ \ un ' / 1800 SF SA ®WEIR
1 4. Clear enough vegetation to Install perimeter erosion control measures. \ \ \ \ \\ \ \\\\\\\\\ \ \\ I BOTTOM ELEV: 537.00' elf
\\ 5. Install silt fence. ■ ■ Limits of Construction \ \ \ \ \ \ \\ \ \ \ \\\ \ \ A \ I I I I , / I SPILLWAY ELEV: 539.50'
6. Construct all sediment traps and skimmer basins. All sediment traps and skimmer \ \ \ \ \ \ \ \ \\ \ 0 II III 1 I TOP OF DAM ELEV: 541.00'
basins shall be stabilized immediately after construction. Construct all remaining ® Rip Rap/ Stone \ \ \ \ \ \ \ \ \ \ \ \\\\\\\\\\ \III I111 I i SPILLWAY LENGTH: 4'
perimeter erosion control measures. \ \ \ \ \ \\\\\\\\ �\ \ I 1 I I / / Qo
7. Clear and grub remaining site as required. Slope Matting \ \ \ \ \ \ \\\ 1 I I I /
8. Grade and fill areas to proposed grades shown. Contractor shall not disturb more I \ \\\\\ \\\ ` III I 1 I I COIR MESH BAFFLES, / / ,� �O 6/ PERIMETER DIKE, PD-4. /
Level Spreader \ \ I I I TYP. AS SHOWN / r I
\ area than necessary. Install slope matting as shown on plans. Seed slopes in � P APRON A-1. 10 LF OF 12" THICK \� �\\\ \\\\ \\ 'd III I 1 ,� � � / o�'/ LINE W/ STRAW W/ NET
accordance with seeding details. COUNTERSUNK RIP -RAP ALONG THE \ \ \ \\\ \ `ram O I I I IMMEDIATELY AFTER
I \ \ SLOPE MATTING / � r 2
C 9. Provide groundcover on exposed slopes as indicated on the Soil Stabilization Table `� Rock Pile Inlet STREAMBED, TO BE INSTALLED \\ I111\ \\ \ s III I III SHOWN SHADED (TYP) / S6S no �./� / INSTALLATION C
\ shown on the details sheets following completion of any phase of grading. FLUSH WITH RESTORED STREAMBED. I I \ \\\ ♦ 11 I I `� V/
10. Perform finish grading. III I I 1 I I 1 I I I l� / LEVEL SPREADER
11. Remove all temporary erosion and sediment control structures after vegetation is HW A-2 \ \ \ I I I / I a
o
\
established on all disturbed areas and following NCDEQ approval. INV:526.90 \ u�\� II I I I I 1 I ENTRANCE WIDTH: 10' i
\\ \\ 1 I 1 I I I �� DEPTH: 0.5'
\ a \ _ i ; \ \ III I I I I I g`o0 END WIDTH: 3'
r 4 LENGTH: 10'
SEDIMENT
DIM:TRAP
20 X50 X2' \ \\�\\ \\ 1 IIII I I I I r O�
\\ - 1,500 CF TOTAL VOLUME ® WEIR �II \ \ \ \ \ 11 I I IIII I I III 4 / doh ��
- I
\A d \ 1,000 SF SA ® WEIR \ 1 \ \ \ \ I I 1 1 - - � � / - I I , 1
\ \\ I I 1 1 1 1 _- ,- \
BOTTOM ELEV: 538.00' \\\\ \\\\ \ I ' � I � \ � I I I I �
SPILLWAY ELEV: 540.50' 4�,
so+ TOP OF DAM ELEV: 542.00' • , 11 \ 1 1 \ ♦ ♦ - - - - - - - '_ - - - - - \ \
SPILLWAY LENGTH: 4' \ 1111 1 � r r I aft*
• q- �� \�\\ s, / ;�- I \11 IIII I 1 1 � � I � � �r-_-___---_-__--- _- �_-_-_-\ \ \ I I
COIR MESH BAFFLES, \1 1 1 1 � - - - - - -
• S�0' / TYP. AS SHOWN
s
\• �'\ \ / / / / LEVEL SPREADER IIII o I 1 LO II `r' 1 / VEGETATED SWALE, VS-4.
ENTRANCE WIDTH: 10' ,n 1 1 Lo II 1 LINE W/ SYNTHETIC MAT
/ DEPTH: 0.5 ', 11 \ 1 II 1 1 �' ' / r IMMEDIATELY AFTER
S66 \ ♦ \ I I END WIDTH: 3' 1 1 111 I \\ \ \\ \ \\ 1 I % �'/ / ' INSTALLATION
� 1 � LENGTH: 10'
X I ,� i� cS _ STONE CHECK DAM
(TYP), REF. DETAIL • `\ \\ �� I \ \ \\ \ I I I 1 I \\ \\\\ \\\ �\� `���
O I 1 1 n O rCL
�00��`550
Q `♦ \ \ �\ , GUARD RAIL, SLOPE MATTING
\ \ REF. DETAIL
\ / ♦♦ \ \\ \ \ / / // / I 1 a. /� � -_ `, `SHOW `SHADED (TYP)=
PERIMETER DIKE, PD-1.
/ / ♦ \\ \\. \ �♦ / / LINE W/ STRAW W/ NET / I O' �� g�� I -
/ Q ♦ / / / / - -- --- \
B / \ \ \ �56$ IMMEDIATELY AFTER ��/ / o P03 / / / // / / / / / / / / / / / / / / / - _ - - - - - - \ I I B
♦ INSTALLATION / /�✓
I \ O D P03 I - / / // /
I ♦ �,\ ��•� ` i / � Q ^ h h' � •�� 545 / ��5 Poi � � o }\ - / J / / / // / / / / / / 1 \ \
I I \ \ STONE CHECK DAM � � %
00
(TYP), REF. DETAIL - / / / / / / / / / / / / / / / / / / / /
Q h / �� COIR MESH BAFFLES,// - - - - - -- -
\ \ / VEGETATED SWALE, VS-1.
Qo '_�
/ \ r° LINE W/ SYNTHETIC MAT TYP. AS SHOWN
/h6 // IMMEDIATELY AFTER QO ��� 1 I / / SEDIMENT TRAP ST-4,
INSTALLATION
DIM: 25'X50'X2'
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/ S / I 11
� 1,250 SF SA ®WEIR
BOTTOM ELEV: 534.00'
//528.05 1 • SPILLWAY ELEV: 536.50'
062- I / \ \ I / / / / - - Off' ''s3rrry - - \S r►- - _ ♦ TOP OF DAM ELEV: 538.00'
/566 \S\ �/ \♦- _-_ �5�'3 LIMITS OF- SSS 0/ / r fSPILLWAY LENGTH: 4'
CONSTRUCTION \ SEAL
6PERIMETER IKE, PD-3. 40366
TEMPORARY CONSTRUCTION
`-
-
\ \' ENTRANCE, REF. DETAIL O/ LINE W/ STRAW W/ NET-
\ IMMEDIATELY AFTER I / / ( / / \ ) 1 ( / / / \ _ - - _ rlrl NrG ti
• �, \ ® PO _ 42 .. ` INSTALLATION ) / ` )) ( I I / / 'r `'9 \ ■`
concU \ \ \ a L �I� ow ♦ / / I -
\ \ AQ \\ ' \' \ ` ` 1" IPF fl sh LEVEL SPREADER I 1 I I
`'� \^ \\ \ ♦ Imo'/ �/r I� g 9 \\ \\ ♦ .� \ \\ \ \\ \ S wrtt u d ENTRANCE WIDTH: 24'
\ \ � Qo� I ° \ \ \ ♦ \ Q\ \\ \ \\ `ro -6 1 DEPTH: 0.7'
♦ \\ \ _S61\\ \ \ \ ♦ s\ \ \ ` O END WIDTH: 3'
REF. RI SHEETS FOR
BUSINESS 52 IMPROVEMENTS
I11011
j THIS DRAWING IS AN INSTRUMENT OF SERVICE AND SHALL REMAIN THE PROPERTY OF
CHAMBERS ENGINEERING, PA RETAINING ALL COMMON LAW, STATUTORY AND OTHER RESERVED
RIGHTS INCLUDING THE COPYRIGHT THERETO. THIS DRAWING SHALL NOT BE REPRODUCED OR
COPIED IN WHOLE OR PART, UNLESS OTHERWISE PROVIDED FOR IN WRITING.
© COPYRIGHT 2019
- 1
\\ \\ \\\ \ I� 1
gas line sensor
LENGTH: ' g+59.6' 15.1' south
COIR MESH BAFFLES,
TYP. AS SHOWN line
SEDIMENT TRAP ST-2,
QO� DIM: 20'X50'X2'
1,500 CF TOTAL VOLUME @ WEIR 1 \ \ \ \ \ \\ \o I I I
02 1,000 SF SA @ WEIR
BOTTOM ELEV: 539.00' \ \\\\ \ \\ \\\\\ I I I I I NOTE:
k,
SPILLWAY ELEV: 541.50' \ \ \ \ \ \\ \ \ \ I I 1 I I I
QOI �' \ \ \ \, / / I 1. ADJUST INVERT, LENGTH, AND/OR HEADWALL
4
SPILLWAY LENGTH: 4' TOP OF DAM ELEV: 543.0' \ \ \ I I I 1 I FOR 54" CULVERT AS REQ'D TO SATISFY POND I I I I I I I I
i 02 ♦ 1
P \ \ \ LEVEL SPREADER ' .I I BATHYMETRY AND FIELD CONDITIONS. PIPE I I I I I I
' PERIMETER DIKE, PD-2. \ ` 1 \ \ \\ ENTRANCE WIDTH: 10' I I SHALL BE AT 0.50% (MIN.) SLOPE. I I I /l /l / / / A
LINE W/ STRAW W/ NET \ \ \\ DEPTH: 0.5'
\ END WIDTH: 3' 2. 54" CULVERT SHALL BE BURIED 1.0' BELOW
t i IMMEDIATELY AFTER 1 \ \ LENGTH: 10' \ '� \ \ \ \ \ GRADE OF RESTORED STREAMBED.
INSTALLATION I \ 0 /
/ VEGETATED SWALE> VS-2I -
\\ LINE W SYNTHETIC MAT 1 1 I I I \\\ 1 1\ \ \\o \\ \\ 1 i I 1 I I I 1 / r l/ ` J
\\ ♦ IMMEDIATELY AFTER
\ ♦ INSTALLATION I I 1 I IIII I I I I I \\ \ \ `♦ \ \ \ \ \ 1
\ \ ♦ I I I I IIII I I I I \ \\\\ \ 1\3\ „\► F\prb ti 91
6bpVf grbq(
\ \ 1 I I IIII III I \ \ 1 \ \ \ \ \ \
\\.
/ I \ \ \Z \1 1 1 \ IIaI ss II IIII \
1SHEET NUMBER
2"
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e/ d �bok v' cant
♦ \ \\� , _ / / / / // / / / / / / / I I 1 \ \ \ \ \ \ \ I I I I I I 1 \ I i i I I i I I I / / / // / / / / / // / //// / / / // // / // / / / //// /r SCALE 1 "=50' GEC-1
3 4 5

U8
1N
1 2 3 4 5
NARRATIVE: / / I I I I I ` _- \ -- 5� r 0 �i ------ / // \ \\ \ \ \ \ \ \ \ \ \ \ \ 565
The proposed project is for the construction of a new roadway and supporting / / / / / / I I I I I \ - / - - \ \ - - - _ \ \ / - - \ \ \ \ \ \ \ \ \ \ \ \ \ \\ \\ \ \ \ \ _ - - - - - - - _ - - -
infrastructure. This project is located off South Business 52, Albemarle, Stanly-
County, NC. Total disturbed area for this project is 37.66 acres. The scope of
work includes installation of erosion control measures, clearing, grading, construction - - - - / - - - - - -
of a new roadway, and installation of utilities. I I I 1 I I \ \ - - - / / \ \ \ -� \ \ \ - o / - \ \ \ 70 \ \ \ \ \ - - -
\ \ \ \ \ \ \\ \ \ _
MAINTENANCE PLAN: \-� /� // ��--� \ ��� \ �� r 560�
\ \ \ �I
The following maintenance plan shall be followed until the site is completely stabilized after construction. During
construction the Contractor shall be responsible for inspection and maintenance of all erosion and sediment control
structures. �/ / // // -- \� --� \• \ \ \ \\ \ \ \ \ \ \ --- --
// / / / \ ��-\ \ • 1 \ \ \ \ \ \\\ \\\\ 55� 555
1. A log must be kept for the site documenting each rainfall event and measures taken to repair or replace any /' /' / / / / _ - �� \ I � j'C, \ \ \ \ \\ \ \
damaged erosion control measures. All NPDES rules shall apply. / / / / / / / \ \ \ \ \ \ I / H�/�F _ - - - - - -
2. All erosion control measures shall be checked for stability and operation following any rainfall producing runoff and at
least once every week. Any needed repairs shall be made immediately so that all erosion control measures are �' v-550
maintained as designed. - - / / / / / / / COIR MESH BAFFLES, C�3 \ \ \ \ \ 540
TYP. AS SHOWN
3. The sediment traps shall be cleaned out when the level of sediment reaches the mid -depth point below the weir _�10
elevation. Washed stone shall be cleaned or replaced when the sediment pool no longer drains properly. / / / / / / SEDIMENT TRAP ST-7, - �„ J i0
\ / / / / DIM: 22'X50'X2' \ �� / 3 ov `__ 5�� STONE CHECK DAM
4. All seeded areas will be fertilized, reseeded as necessary, and mulched in accordance with the seeding specifications in - - / / 1,650 CF TOTAL VOLUME @ WEIR FG, / -574 (TYP), REF. DETAIL
order to maintain a dense vegetative cover. / / / / 1,100 SF SA @ WEIR`\
BOTTOM ELEV: 563.00' \ \ \
/ / f 5` \ _ 'S/ PERIMETER DIKE, PD-5. - I 1 / / _ - �10
-
10
5. Sediment deposits shall be removed from sediment fence after each storm event or sediment fence should be - / SPILLWAY ELEV: 565.50' _ 5 °/ . 2' \ _ - ' S
/ / / \ LINE W STRAW W NET - _ - _ - / / ' i'10
replaced. They must be removed when deposits reach approx. half the height of the barrier. Any sediment deposits / / TOP OF DAM ELEV: 567.00' - ,558 s>>� / / �- ,�♦
/ ' IMMEDIATELY AFTER
remaining in place after the sediment fence is removed shall be dressed to conform to the existing grade, prepared
and seeded. - - / // / SPILLWAY LENGTH: 4' - 55�' /// / \ s690� INSTALLATION/-
_
6. Temporary erosion and sedimentation control measures shall remain in lace until the site has been stabilized and a \ / / / /*♦'' - - - - - SSF // S6S A s68 LEVEL SPREADER / S ' / / /
� P Y P / / 555" I U' / / O N. S6� S
` representative of the NC DEQ Mooresville Regional Office Land Quality Section has approved their removal. \ / / � o �' / s 1 ' ENTRANCE WIDTH: 10' - -// %550 \
�\ '/ / / / ---5�P / DEPTH: 0.5' // / / //// // /�����'go
7. Any off -site borrow and waste required for this project must come from a site with an approved erosion control plan, - - - / / _ - - - -SF / 'OOS END WIDTH: 3' ' S40 �� �� / / / /� / �'to
a site regulated under the Mining Act of 1971, or a landfill regulated by the Division of Solid Waste Management. // 82.28' of 30" RCP Q 6.81% 55'J I I° �� / / LENGTH: 10' �� �' �'� / - ♦�J
Trash/debris from demolition activities or generated by any activities on site must be disposed of at a facility-
\ regulated by the Division of Solid Waste Management or per Division of Solid Waste Management or Division of Water \ - - FES A-5
\ Resources rules and regulations. - _ - / // / _ INV:545.50 ' h� \ \ \� \ \, / 545 555 ,
8. Plan should include provisions for groundcover in accordance with NPDES Construction Stormwater General Permit - - - / / APRON A-3
NCGO10000 and permanent groundcover for all disturbed areas within 7 working days or 14 calendar days (whichever is
shorter) following completion of construction developpm�e{nt.'/ 7
\\ iA00A1ZLWe .il I".F.Z�"_�.2 ,E.L I
\CONSTRUCTION SEQUENCE: _ __ COIR MESH BAFFLES,
1. Obtain plan approval and permits prior to beginning work. I I \ \ \ \ \ \ _ / // 5 I TYP. AS SHOWN \ \ / / \ / / TEMPORARY DIVERSION SWALE INSET I I I ( I
2. Flag the work limits to prevent unnecessary clearing. \ \ \ \ \ _ - /' / 1 00 00 // / / 1 / / SCALE 1"=30' I I I I
3. Hold pre -construction meeting at least one week prior to starting construction. I \ \ / / / / / - - - - 5 1 I o I a v SEDIMENT TRAP ST-8,
Notify NCDEQ 48 hours prior to meeting. \ \ \ \ ` _ / / / / / / - ' � \ \ `s \ \ DIM: 18'X50'X2'
4. Clear enough vegetation to install perimeter erosion control measures. \ \ 1,350 CF TOTAL VOLUME WEIR I I
5. Install silt fence. \ � \ � \ \ � � / j � / � 1 � II II 1 � � \ 900 SF SA � WEIR //
6. Construct all sediment traps and skimmer basins. All sediment traps and skimmer \ \ / / , / 1 BOTTOM ELEV: 556.00'
basins shall be stabilized immediate) after construction. Construct all remaining\ \ \ \ _ �' / / SLOPE MATTING 1 / I \ /
y \ SPILLWAY ELEV: 558.50' I /
perimeter erosion control measures. \ \ � � - - � � / / / / SHOWN SHADED (TYP) / / 1 I � , � 5� )
7. Clear and rub remaining site as required. \ \ \ \ / I I / TOP OF DAM ELEV: 560.00'
g g q \ \ / I / , 1 5b, / /
8. Grade and fill areas to proposed grades shown. Contractor shall not disturb more \ \ \ \ _ - - - �' / / / // / SILT FENCE, TYP AS 35 SPILLWAY LENGTH: 4' / / / / \ \ /
area than necessary. Install slope matting as shown on plans. Seed slopes in \ \ / / / / SHOWN. REF. DETAIL / 1 I "� L0 1 " 55I - ROCK PILE INLET PROTECTION / / / / \ \ /
accordance with seedingdetails. - - - - / / / I $�
9. Provide groundcover onexposedslopes as indicated on the Soil Stabilization Table \ \ \ / / / / / / / LIMITS OF 15�9`t (TYP), REF. DETAIL / / I 1 I /
\ / / CONSTRUCTION
shown on the details sheets following completion of any phase of grading. \ � � /
10. Perform finish grading. \ \ - - - - - / / / / / / / I 1 0 / FES A-6 / / / / / / / / I I / / / / / / / j / / / / / / / •/ /
11. Remove all temporary erosion and sediment control structures after vegetation is \ \ \ f / / / / / \, % o I 1 �56� / / �/ INV:551.10 / / / / / / / / �-\ \ I I I I
established on all disturbed areas and following NCDEQ approval. \ \ - - - / / - / / / I I �5 _ / �' i / / / / / / \ I I /
SELF -INSPECTION NOTE:
The GC shall, on behalf of the landowner/financially responsible party, perform an
inspection of the area covered by the plan after each phase of the plan has been - - - / / / _ �' I / I / / / / 1 I 1 / / / / / /' // // / // / / / I // // / / /// / / // / / / / / / / / • /
completed and after establishment of temporary ground cover in accordance with G.S.
113A-57(2). The person who performs the inspection shall maintain and make available /
a record of the inspection at the site of the land -disturbing activity. The record shall / /
set out any significant deviation from the approved erosion control plan, identify any \ \ - / / / _ / // / / 1 560 I 1 66' / / / ( /
measures that may be required to correct the deviation, and document the completion - - - / / / ' \ / / // / / / / 1 / .h / /' / / / / / / // / / / / / / / / / / - - - - - - • •
of those measures. The record shall be maintained until permanent ground cover has
been established as required by the approved erosion and sediment control plan. The // // // 1 I �� $, / / // / / / I I / / / I / / / / / _ - _ / / •
self -inspections required are in addition to inspections required by local and/or regional r - - - �' \ / / / / 1 v�
erosion and sediment control authorities. / / - \ / l / // /// / / / / / / 1 56 // / // / // / / / / I I / I I I I I/ / I / •
\I I VEGETATED SWALE. VS-9.
LINE W/ STRAW W/ NET
\ \ - --�' ��/�-// \1 /// / / / / / / / // II I 1 IMMEDIATELY AFTER
\ \ - - - - / I INSTALLATION
\\ \ \ \ \
LEGEND
ST Temporary Sediment Trap \ \ \ \ \ \ \ \ \ - - _ - - - / / ' \ / / / / / / I / / / / / / / / 1 1 \ \ \ \ \ \ \ / / / / / • / / / I I I I I I \ \ I
\\ \ \ \ ,'^\ \ ll l / 1 I I 1 / / / ll l l 1 I 3 \
Temporary Sediment Fence \ \ \ \ i \ \ / / j / 1 / / / / I 1 5q� \ I \ \ \ \ \ \ \ / / / / / / / / \ / / / I \I \ \ \ \ • \ \ \ \ I
Limits of Construction \\ \ \ \ \ \ \ \ - - / / / / I I / I
® Rip Rap/ Stone \\\\\ \ \ \ \ \ \ ' / / ' VEGETATED SWALE, VS-7.
Slope Matting LINE W/ STRAW W/ NET
IMMEDIATELY AFTER
\/I I\I I �
INSTALLATION
Level Spreader I II 1 i / / / � � � \\ _ __ _- _- _- - _ - -- -� _ -=' _ / / / / / // / • II I \ \ \
/
GUARD RAIL,
v Rock Pile Inlet Protection \ \\ \ \ \ \\ / / REF. DETAIL, - - \ - - - - - - - -
573574-- // / / / ------
STONE OUTLET, \ \ \ 60 I - / / / /� I I I 1 \ \ \ \ • \ \ \ \ \ \ \ \ \ \ - - -
DETAIL \ \ \ \\ \ \ /I -�
SEGMENTAL BLOCK RETAINING WALL, CONTRACTOR SHALL SUBMIT 1 \ \ \ \ \ \ \ \ \ \ \ 1 i STONE CHECK DAM SHOP DWG'S & CALCS BY MANUFACTURER FOR APPROVAL. SHOP \ / I° (TYP), REF. DETAIL / / \ \ \ \ \ \ \ \ \ •
1 \ \\ \ DWG'S & CALCS SHALL BE STAMPED, SIGNED, & DATED BY A
CURRENT NC PROFESSIONAL ENGINEER PRIOR TO CONSTRUCTION. \ \ I VEGETATED SWALE, VS-8. �� / / - - - - \� I \ / \ \ \ \ \ \ \-
�_ LINE W/ STRAW W/ NET
TW ELEV: 550 / - \ \ \
� , I IMMEDIATELY AFTER �i i'i i - - / _ / ) /'''�:•*•*•'•'•'•*•*•.*'**•*•*�,� \ \ \ \ \ \ \ \
I I cn INSTALLATION // i' \ / / / - - / / / • • .�.�:�:�:�..'.'.• \ \ \ \ \ \ �• \ \
APRON A-2. 10 LF OF 12" THICK \ � I I•I�I II I cn � ' / QRo / / / / / � � - / / /;'�,�,',',',•,•,•,•,•,•,•,•,•,•,• ' ;`�•'• \ \ \ \ \ � \ \ \ \ \ �-'
\ \ \ \ COUNTERSUNK RIP -RAP ALONG THE \ I I cn I 84.14' of 60" RCP @ 6.03% ' Q / / / •.•.•.•.•.•.•.• • \ \
STREAMBED. TO BE INSTALLED I I 1 SS F I \ / / / / ' / / / - _ ''• ,�'''''' \ \ \ \ -
1 I FLUSH WITH EXISTING STREAMBED. I II 'III S i� , SLOPE MATTING
\I % I 1 I 1Q I II III II I SHOWN SHADED (TYP)
I N V: 534.93 1 I I q III I # i / / , /♦ 00♦ / / � / / / / � - J / l I ' :\'•' \ \ � \ \ \
\\
,* � Il. � � � STONE OUTLET - - -�� -� Qe��^_'�_� II II I ' REF. DETAIL
I \\ \ 1 PROPOSED 12" GRAVITY /^ _3� IF
1 \ 1 I 1 SEWER, REF. UTILITY / \ I i� Ili ; I i I ` HW A-4 / / - 00
1 _ �':�I; rl I V54000 ♦ , / / / i-
\ \ 1 DWG'S FOR REQ'S. , � I, � I IN: . / � �
�������00
on
I 1 VA an
\ \ �����.� �� /� I� �II j �o �♦ SLOPE MATTING TO BE INSTALLED
ALONG STREAM BANKS IN \ l
\ \ \ � I / SLOPE MATTING TO BE INSTALLED � � �
1 ' I I / . D I I • I ALONG STREAM BANKS IN j
I TEMPORARY IMPACT AREAS -
( r SILT FENCE, TYP. AS 1
SHOWN. REF. DETAIL
/
1 111 ~♦' \ \ \ __ _ / / SEDIMENT TRAP ST-5,
DIM: 16'X40'X2' / / ♦ /1
\ \ \ '•'• • \ / \ 1 I / 960 CF TOTAL VOLUME @ WEIR
\\\\\-////� \\ ♦♦' •4%... I / / / 640 SF SA @ WEIR
wL \ I / 1 BOTTOM ELEV: 538.00'
509.6 / / / / SPILLWAY ELEV: 540.50'
TOP OF DAM ELEV: 542.00'
/ // j / / / / / SPILLWAY LENGTH: 4'
COIR MESH BAFFLES,
\ \\ \\ \ \ \ I j / / / / / / / / / / TYP. AS SHOWN
STONE OUTLET, r
REF. DETAIL a -am 1
VEGETATED SWALE, VS-5. MAT WEs� � �
ET GEC-1
LINE W/ STRAW W/ NET / / i '
IMMEDIATELY AFTER
INSTALLATION
0
\ \\\\ \\\IIII � \\\\ \ \\I IIII/ // //// / //// //// //// //// //// /✓ / 1 I
, ,III
Y THIS DRAWING IS AN INSTRUMENT OF SERVICE AND SHALL REMAIN THE PROPERTY OF /
CHAMBERS ENGINEERING, PA RETAINING ALL COMMON LAW, STATUTORY AND OTHER RES D
TO
RIGHTS INCLUDING THE COPYRIGHT THERE. THIS DRAWING SHALL NOT BE
COPIED IN WHOLE OR PART, UNLESS OTHERWISE PROVIDED FOR IN WRITING.
© COPYRIGHT 2019 ZI
1 2
TEMPORARY IMPACT AREAS
1 llk 100
1111� I SEDIMENT TRAP ST-6, r / I / /
/
DIM: 20'X40'X2'
� u 1,650 CF TOTAL VOLUME ® WEIR / / /
II II II
I 800 SF SA ©WEIR
BOTTOM ELEV: 546.00'
I SPILLWAY ELEV: 548.50'
I TOP OF DAM ELEV: 550.00'
565 \ SPILLWAY LENGTH: 4'
II II I�co 1 COIR MESH BAFFLES,
560 I 1 �\ TYP. AS SHOWN
6/, VEGETATED SWALE, VS-6.
1 \ LINE W/ SYNTHETIC MAT
68+ IMMEDIATELY AFTER
\ \ INSTALLATION
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SHEET NUMBER
GEC-2

1 2 3 4 5
MAINTENANCE PLAN: NARRATIVE:
The following maintenance plan shall be followed until the site is completely stabilized after construction. During The proposed project is for the construction of a new roadway and supporting
construction the Contractor shall be responsible for inspection and maintenance of all erosion and sediment control infrastructure. This project is located off South Business 52, Albemarle, Stanly
structures. County, NC. Total disturbed area for this project is 37.66 acres. The scope of
work includes installation of erosion control measures, clearing, grading, construction - - _ \ \\ \ / I I I ( / / / / \\ \ s I I I I I i I I I I•`D I I SKIMMER APRON, REF.
/ \\\ �\ I I I I I I - \
1. A log must be kept for the site documenting each rainfall event and measures taken to repair or replace any of a new roadway, and installation of utilities. - _ - \ \\ `' ) I I I I / / \\\ \01 c° I I I'n APRON DETAIL FOR REQ'S.
damaged erosion control measures. All NPDES rules shall apply. )) I I� I I I I I I I I
LEVEL SPREADER \ \ \ \
2. All erosion control measures shall be checked for stability and operation following any rainfall producing runoff and at SELF -INSPECTION NOTE: I I I \ S`
\ \ I I \ / / I I I I I �r ENTRANCE WIDTH: 10'
least once every week. Any needed repairs shall be made immediately so that all erosion control measures are The GC shall, on behalf of the landowner/financially responsible party, perform an - - _ \ \ \ \\ \ / / / EMERGENCY' \\ \\ J / 7 VEGETATED SWALE, VS-20. \ F " ♦ /
maintained as designed. inspection of the area covered b the Ian after each phase of the Ian has been - _ - \- I I I I / / \ / I I I / o DEPTH: 0.5' _ - \ 100
-
9 P Y P P P _ \ \ \ \\ / / SPILLWAY \ \\ % I �� LINE W/ STRAW W/ NET \ \ ` ♦ ♦ /•
completed and after establishment of temporary round cover in accordance with - \/ END WIDTH: 3' G�
P P Y 9 �� \\�\ / \\ / / ♦ - - IMMEDIATELY AFTER
3. The sediment traps shall be cleaned out when the level of sediment reaches the mid -depth point below the weir G.S. 113A-57(2). The person who performs the inspection shall maintain and make - �� \ \ \ / SKIMMER BASIN, SB-2 LENGTH: 10' - - - INSTALLATION
elevation. Washed stone shall be cleaned or replaced when the sediment pool no longer drains properly. available a record of the inspection at the site of the land -disturbing activity. The
DIM: 50\_ \ I / / - - - - \ �� ♦� \ O/ �j�!
\\ \ \ 'X100'X2'
record shall set out any significant deviation from the approved erosion control - - \ \ \\ 7,500 CIF TOTAL VOLUME Q WEIR ♦ ' / / 2.0" SKIMMER W 1.7" <b /
4. All seeded areas will be fertilized, reseeded as necessary, and mulched in accordance with the seedingspecifications in Ian, identifyan measures that may be required to correct the deviation, and ' - - \ \ \ \ ♦ I / / STONE CHECK DAM 00
g
order to maintain a dense vegetative cover. y P document the completion of those measures. The record shall be maintained until - - \ \\ \\� \ \� 5,000 SF SA Q WEIR ♦ 4 DIA. ORIFICE, REF. DETAIL - S9�
\ \ � (TYP), REF. DETAIL -
\ \ \ \ \ BOTTOM ELEV: 571.00' � I / -
p permanent ground cover has been established as required by the approved erosion _ - 1 \ \ \ \\ \\ SKIMMER ELEV: 573.00' / / ♦ / 8� D
5. Sediment deposits shall be removed from sediment fence after each storm event or sediment fence should be and sediment control plan. The self -inspections required are in addition to - - _ \ \ \\ \\ v SPILLWAY ELEV: 573.50' I PERIMETER DIKE, PD-7. / - - - ' r-
replaced. They must be removed when deposits reach approx. half the height of the barrier. Any sediment deposits inspections required by local and/or regional erosion and sediment control - - - - \ \ \ \\ \ Q LINE W/ STRAW W/ NET �' ♦ `�� ,
remaining in place after the sediment fence is removed shall be dressed to conform to the existing grade, prepared authorities. - - - _ \ \ \ \ TOP OF DAM ELEV: 575.00' �5 ' a IMMEDIATELY AFTER / �) ♦ ♦ '
and seeded. / \ \\\ \ \ \ SPILLWAY LENGTH: 10' ` o� INSTALLATION ( rn ♦ ♦
6. Temporary erosion and sedimentation control measures shall remain in place until the site has been stabilized and a �/ / / / / / ///Z
/ // // // / / / / / / / / / / \\ \ \ \ \ \\ // /// / COIR MESH BAFFLES, VEGETATED SWALE, VS-19. 1110 ♦ ♦ ♦ S ,'
representative of the NC DEQ Mooresville Regional Office Land Quality Section has approved their removal. / / / // // // // / / ///\ TYP. AS SHOWN ♦ / / / // / / / / / - \ \ \ \ \ / LINE W STRAW W NET 9� � ♦/ ////// /// // / \ \i / // / / / /\\\\ / \vJ • IMMEDIATELY AFTER ♦♦7. Any off -site borrow and waste required for this project must come from a site with an approved erosion control plan, / / / / / // // // / / / / SLOPE MATTING / / / - - - \\ \ \ \ \ \ / // / / / - - _ INSTALLATION ♦ ♦
a site regulated under the Mining Act of 1971, or a landfill regulated by the Division of Solid Waste Management. / / / / / // / / // // / / / SHOWN SHADED (TYP) / / \� \ \ \ \ \/ // / / / / - - • �` , , w S)9\
Trash/debris from demolition activities or generated by any activities on site must be disposed of at a facility / / // // // // / / / / \ \ \ \ \\ \ /// / / / - - • a ♦ ♦ ♦ / SSo
regulated by the Division of Solid Waste Management or per Division of Solid Waste Management or Division of Water - / I / / / / // // / / / / SKIMMER APRON, REF. - - \ \ \ \\ \\ ✓// / / / / - \ ♦ ♦
Resources rules and regulations. / // =1J/ / / / / / / / / / / / APRON DETAIL FOR REQ'S. ^ \ \ \ \ \ \III .� / / / / / / 580 ; ' ♦ / w 5g5 ', oS
/ / / / // \ 11 / / / ' - v ..ASS 2.
8. Plan should include provisions for groundcover in accordance with NPDES Construction Stormwater General Permit i / / J I 1 / / / / / / LEVEL SPREADER \ \ � , / / _ - - � a ` � /. � % ��0�pd'�� \�
NCGO10000 and permanent groundcover for all disturbed areas within 7 working days or 14 calendar days (whichever is / i - III' / / / / / / ENTRANCE WIDTH: 10' \ I 1 I / - - = - _ -' S w I c� s \
/ / / / - - - - I SILT FENCE, TYP. AS " - _ • , - S s
shorter) following completion of construction development. / / / / / / DEPTH: 0.5' 1 - _ \ \ 5 •� � � � \ \� \
\ I' SHOWN. REF. DETAIL
END WIDTH: 3' \ \ 1 I II - \ \ \ \ & � \ \
CONSTRUCTION SEQUENCE: \ EMERGENCY / _ III / / LENGTH: 10' v - - I S 5$ \ \
\ \ \ \\ \\ SPILLWAY III / / / \ I I / , APRON A-5 - S�q, < i / ' ♦ \ \
1. Obtain plan approval and permits prior to beginning work. \ \ _) I I I / 1 I I / \ /• w
2. Fla the work limits to prevent unnecessary clearing. \ \ III I / / \ \ S 5
9 P Y 9• \ \ - / I o Ill PERIMETER DIKE, PD-6. \ \ I I FES A-10 s 8S I, '���� / 5g0 ♦ VEGETATED SWALE, VS-21. \
3. Hold pre -construction meeting at least one week prior to starting construction. \ SKIMMER BASIN, SB-1 - I II I� I I LINE W/ STRAW W/ NET III INV: 583.10 58 8F , APRON A-6 top
Notify NCDEQ 48 hours prior to meeting. \ \ DIM: 32'X70'X2' _ - - I I \ I w ♦ LINE W/ STRAW W/ NET
1 IMMEDIATELY AFTER \
4. Clear enough vegetation to install perimeter erosion control measures. \ \ 3,360 CF TOTAL VOLUME ® WEIR I II I I I I III o \_ - ' �i� FES A-12 ♦ ♦ IMMEDIATELY AFTER
r-565 \ INSTALLATION I / ♦ \
5. Install silt fence. \ \: 2,240 SF SA ®WEIR � ..I I I I I I � �h / / ♦ ♦ � j �JINV: 576.10 ♦ ♦ INSTALLATION \ \
6. Construct all sediment traps and skimmer basins. All sediment traps and skimmer \\ BOTTOM ELEV: 571.00' I/`° i / , ♦ i j 7i w 5a5 ♦ ♦ \ \
basins shall be stabilized immediate) after construction. Construct all remaining 1.5" SKIMMER W/ 1.2" u7 I I - i ♦ r
Y 9 \ SKIMMER ELEV: 573.00' c0'01 100000 / LIMITS OF \ \ \
perimeter erosion control measures. _ \\ DIA. ORIFICE, REF. DETAIL I I D01n � aft '0 ♦ , -' S N g0 ♦ ♦ / \
P \\\ SPILLWAY ELEV: 573.50' 1 00 0o Lr 9p , g5 5 CONSTRUCTION \ \
7. Clear and rub remaining site as required. Do z ♦ 5 ♦ - -J \ \
g g q TOP OF DAM ELEV: 575.00' �' °' Ln ,/�
8. Grade and fill areas to proposed grades shown. Contractor shall not disturb more \\ VEGETATED SWALE, VS-14. o � 5g '
SPILLWAY LENGTH: 6' rn � I ♦ \ \
area than necessary. Install slope matting as shown on plans. Seed slopes in - i \ \' , , LINE W/ STRAW W/ NET 0 / j �� ' ♦ ♦ - 59 \ \ \
accordance with seeding details. _ -� \ \\\\ I I IMMEDIATELY AFTER `9 W, ♦ �� /- - ♦ 595- / \ COIR MESH BAFFLES,
9. Provide groundcover on exposed slopes as indicated on the Soil Stabilization Table ^ \ \ \\\\ o INSTALLATION ! /% ♦
TYP. AS SHOWN 0000 - / i ♦ -
shown on the details sheets following completion of any phase of grading. - \\ \ \\\\ \ \. � I , ♦ i � \
10. Perform finish grading.- / - ♦ �/ 00
11. Remove all temporary erosion and sediment control structures after vegetation is \ \\ \ \\ EXTEND RIPRAP �- ♦ ♦ / w gbh ♦ ♦ VEGETATED SWALE, VS-18.
\ \\ \ \\ \ TO BASIN BOTTOM - _ -0 ♦ 59� / I00 established on all disturbed areas and following NCDEQ approval. / 0 - r 3 00♦ LINE IA STRAW ER NET
I IMMEDIATELY AFTER
590
LEGEND i' _ - - - ��\\ \ \ �` /� / _ 4 �� O \ rr 101.46' of 24" RCP @ 0.89% INSTALLATION-
C ST Temporary Sediment Trap _ - \\ \\\ \ \\\ / I / ♦ ♦ 0 ♦ % \ ,j590
_0 01�00600
CB A-11
�� Temporary Sediment Fence - - - - - _ 1 \\ \ \\\ \ \ \\\\ \ / / / �� ���� P ` \\ 1 RIM: 580.85
P Y \ \\ \ / l / l �^ ♦ ♦ J� INV: 577.00
Limits of Construction DIVERSION DITCH, DD-1.\� �\ \ / �O� �� ♦ �� il+` \� \ WIRE MESH INLET \
LINE W/ STRAW W/ NET \ /
PROTECTION, REF. DETAIL \ �
® Rip Rap/ Stone IMMEDIATELY AFTER \ \\\\\ \ ) / APRON A-4 /� j / 65.25' of 18" RCP ® f.29% \\ \ \ \ \ \
INSTALLATION \ \ / / w \\ \\ �\ VEGETATED SWALE, VS-17. \ \ \
Slope Matting \ \\ \\ \ ' ° INV: 58FES 1.95 t �� / 5g� ♦ ♦ ♦ NEV: 585.90 �� \\ \\ LINE W/ STRAW W/ NET \ \
SILT FENCE, TYP. AS \\ \ \ \ //// w ♦ o \ IMMEDIATELY AFTER \ r -
j Level Spreader - - - - - - - - - SHOWN. REF. DETAIL \ \\ \ \ \� \ �/� 00 ♦ ROCK PILE INLET PROTECTION \\ \\\ \ INSTALLATION
(TYP), REF. DETAIL \\ \ \ \ \
j v Rock Pile Inlet Protection - - - _ _ - - - _ - SLOPE MATTING \ \ a / I \\ \\ \ \ \ \
SHOWN SHADED (TYP) \\ \ \ � � �� \ \ •
STONE CHECK DAM \ \\ \\ \
°'590 i � f �S TYP REF. DETAIL \\ \ \ I \ \ \
VEGETATED SWALE, VS-12. \ � � / ♦ 9� (TYP),
LINE W/ STRAW W/ NET \ \ \ \ \ \ i5�� c,9� ♦ \ _ -
IMMEDIATELY AFTER \ \ � � � �^ -� VEGETATED SWALE, VS 16.
VEGETATED SWALE, VS-15. -
i/ /• / / / / INSTALLATION LINE W/ STRAW W/ NET
, IMMEDIATELY AFTER LINE W/ STRAW W/ NET IMMEDIATELY AFTER
/ ' INSTALLATIONLID
// /•// • / ��-\\\\ \ \ s`s� / /590 , ♦♦-- INSTALLATION
/ / \ LQ
♦, / FES A-7 I \ \ \\ //
s - \ I \ \ / \ I
o 00 I 9 • INV: 583.90 \ I o \\ \\ /
for ♦ 3� - - ROCK PILE INLET PROTECTION
/ / / • ( / \'6 / '' (TYP), REF. DETAIL I °' \ \\ \\I \, FUTURE ROAD I I
� / / , ,�� A SHOWN DASHED
595
65. RCP ®2Q6*-
poolI- C)_
0 / , VEGETATED SWALE, VS 13.
\60,
6C -1 � ' / �' � � ' LINE W/ STRAW W/ NET
\ ti \• - \ \ \6 a' � - - IMMEDIATELY AFTER
\ \ \ \ \ \ 6 JOP\ / �°� , INSTALLATION • \ \ I \ \\ \\ �\ I
6_r � / / 595 , I _. �ts� �r� • \ \\ 1 \ 1 11 I \\ \ \\ \ 1 I \
00
B VEGETATED SWALE, VS-10. \� 1 �I I \ \ B
- LINE W/ SYNTHETIC MAT \ 599- I
- - - - . IMMEDIATELY AFTER -�;, �s9s
INSTALLATION
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595 , � ./ � 596'�
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\ \ \ 5' (TYP), REF. DETAIL \ \ \ \� / / / / / I \\ \\ /\/ / / / o
\ / / / I 00
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\ \ \ \ \ \ \ \ 58F VEGETATED SWALE, VS-11.
\ LINE W/ SYNTHETIC MAT
\ \ \ IMMEDIATELY AFTER
\ \ INSTALLATION
LIMITS OF
CONSTRUCTION
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C `THIS DRAWING IS AN INSTRUMENT OF ICE N M PROPE \ \ \ \ - ' / / I I - 5 /
O CHAMBERS ENGINEERING, PA RETAINI C 0 A 4,ND OTHER RES D \S(�' ./
RIGHTS INCLUDING THE COPYRIGHT T I I S A E REPRODU 9,
j COPIED IN WHOLE OR PART, UN LE THE R RII ` S6+ \ \ \ \ \ \ ` - - \ _
©COPYRIGHT 2019 U1 / A , \S 8, \ \ \ \ \ \ �- / \ �� \ I I \\ \ / B SCALE 1 "=50'
' / rn O 6> \ \ \ \ \ \ '9 59 -
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SHEET NUMBER
GEC-3

1 2
NARRATIVE:
The proposed project is for the construction of a new roadway and supporting
infrastructure. This project is located off South Business 52, Albemarle, Stanly
County, NC. Total disturbed area for this project is 37.66 acres. The scope of MATCHLINE SHEET GEC-5
work includes installation of erosion control measures, clearing, grading, construction / // �..
of a new roadway, and installation of utilities.
MAINTENANCE PLAN:
/
The following maintenance plan shall be followed until the site is completely stabilized after construction. During
construction the Contractor shall be responsible for inspection and maintenance of all erosion and sediment control
structures.
1. A log must be kept for the site documenting each rainfall event and measures taken to repair or replace any
damaged erosion control measures. All NPDES rules shall apply.
2. All erosion control measures shall be checked for stability and operation following any rainfall producing runoff and at
D least once every week. Any needed repairs shall be made immediately so that all erosion control measures are \ \ // / 111/ I (/ / / / / / / �!
maintained as designed. \ IN,
3. The sediment traps shall be cleaned out when the level of sediment reaches the mid -depth point below the weir
elevation. Washed stone shall be cleaned or replaced when the sediment pool no longer drains properly.
4. All seeded areas will be fertilized, reseeded as necessary, and mulched in accordance with the seeding specifications in
order to maintain a dense vegetative cover.
5. Sediment deposits shall be removed from sediment fence after each storm event or sediment fence should be
�replaced. They must be removed when deposits reach approx. half the height of the barrier. Any sediment deposits ///
remaining in place after the sediment fence is removed shall be dressed to conform to the existing grade, prepared
and seeded.
v
6. Temporary erosion and sedimentation control measures shall remain in place until the site has been stabilized and a
representative of the NC DEQ Mooresville Regional Office Land Quality Section has approved their removal.
SLOPE MATTING 1
7. Any off -site borrow and waste required for this project must come from a site with an approved erosion control plan, / / \� / // / / I I SHOWN SHADED (TYP) I
a site regulated under the Mining Act of 1971, or a landfill regulated by the Division of Solid Waste Management.
Trash/debris from demolition activities or generated by any activities on site must be disposed of at a facility
regulated by the Division of Solid Waste Management or per Division of Solid Waste Management or Division of Water
Resources rules and regulations.
8. Plan should include provisions for groundcover in accordance with NPDES Construction Stormwater General Permit
NCGO10000 and permanent groundcover for all disturbed areas within 7 working days or 14 calendar days (whichever is
shorter) following completion of construction development.
CONSTRUCTION SEQUENCE:
1. Obtain plan approval and permits prior to beginning work.
2. Flag the work limits to prevent unnecessary clearing.
3. Hold pre -construction meeting at least one week prior to starting construction.
Notify NCDEQ 48 hours prior to meeting. /
4. Clear enough vegetation to install perimeter erosion control measures.
5. Install silt fence.
6. Construct all sediment traps and skimmer basins. All sediment traps and skimmer
basins shall be stabilized immediate) after construction. Construct all remaining
Y g
perimeter erosion control measures.-
7. Clear and grub remaining site as required.
8. Grade and fill areas to proposed grades shown. Contractor shall not disturb more
area than necessary. Install slope matting as shown on plans. Seed slopes in
accordance with seeding details.
C 9. Provide groundcover on exposed slopes as indicated on the Soil Stabilization Table
shown on the details sheets following completion of any phase of grading. \ \\ \ \\\ \\
10. Perform finishgrading. —_— — = \\� \\
11. Remove all temporary erosion and sediment control structures after vegetation is
established on all disturbed areas and following NCDEQ approval.
SELF -INSPECTION NOTE:
The GC shall, on behalf of the landowner/financially responsible party, perform anj^0)inspection of /
completedh and after area
establishmenthe l t of temporary ground an after each phase o t cover naccohe plan sn accordance with G.S.
113A-57(2). The person who performs the inspection shall maintain and make available
a record of the inspection at the site of the land -disturbing activity. The record shall 7
set out any significant deviation from the approved erosion control plan, identify any
measures that may be required to correct the deviation, and document the completion
of those measures. The record shall be maintained until permanent ground cover has — — \ \\\ \\\\ \ �\ \\ \\� \ VA
been established as required by the a roved erosion and sediment control Ian. The
self -inspections required are in addition to inspections required by local and/or regional
erosion and sediment control authorities.
���\ \\\�\\ \ I I \\ I \�� J 1 I I I � ( / `�-� / / / ' \ _ \ \ \ \ \ \ \ \ \\ \ \\ \ ♦ \\ �, I I III I I I / I
I I I •/ \ \ \ \ \\\\ 11\\ \\\\ �\\\ 1 IIII IIII I II IIII IIII IIII I I I 1
LEGEND \\ \\ \ •I I I I I / — — \ \ \ 1 I \ \ \ \ \ \ \ \IIII IIII I IIII IIII I I I I 1 !'
sr Temporary Sediment Trap \\\\\1 1 I I II I 1
III •I I I I
-�� Temporary Sediment Fence \\ \ \ I \ \ \ 11 III I I I I \ 1 1
Limits of Construction \ \ \ \ I I \ 1 / I \ I I \ \ \ \ \ \ I I I I I I I III •1 \ \ `�
I \\\ \ \ \ \ \ \ III I I 1 \ 1
® Rip Rap/ Stone (\ \ \ \ \\ \ \ \ I I 1 (• \ \ \ \ \ \ \ \ \ I I I I ( IIII I 1 ( t \� I \ \ �/
\ \ \ I 11 J \\ I II ( I LIMITS
Slope Matting
CONSTRUCTION
Level Spreader
\
PROPOSED 12" GRAVITY SLOPE MATTING
Rock Pile Inlet Protect, SHOWN SHADED (TYP)on SEWER, . \ ,
,
DWG'S FOR REQ'S. ` \ \ \ \ \ 1 1 y I I I IIII \
3
1
3 4 5
TEMPORARY DIVERSION LIMITS OF
Ld\0\ s SWALE CONSTRUCTION
/ In
3 0l '56\�I/ / II I ( `r�o l I
/ —
4 565 STONE CHECK DAM `0 /
Io �/566 (TYP), REF. DETAIL
3 °I /56' LIMITS OF —�� —— — — — — — — --
CONSTRUCTION 'If --------- -
CO
CO
LINE W/ STRAW W/ NET*\ \ I\
\ — — , \ \ \ IMMEDIATELY AFTER \ \ \ \
` I INSTALLATION \ ,
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II I SCALE 1 "=30'
TEMPORARY DIVERSION SWALE INSET
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SHOWN. REF. DETAIL
SLOPE MATTING TO BE INSTALLED 1� I I / I I I / / cSd,
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TEMPORARY IMPACT AREAS I I / I I I / / / I
(TYP), REF. DETAIL ( \ III J sss.s // /// / / /• I / _
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COUNTERSUNK RIP -RAP ALONG THE "`: LINE W/ STRAW W
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FLUSH WITH EXISTING STREAMBEDI IloINSTALLATION
I /
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DIM: 25'X50'X2' I I \ \ • / / / /
1,875 CF TOTAL VOLUME @ WEIR
IIII 01 1 1 1 I I I I / — \ \ — S \ \ \ ,\`' `/�� 1,250 SF SA @ WEIR / 1 1 1 — • ;:'//� / / // / //
BOTTOM ELEV: 575.00 / \\ \ _ \*,. *•/ / / / / /
`n I I 1 I I 1 \ I \ \ \ / / / ' 1► SPILLWAY ELEV: 577.50' \ I S •
i Lo ( I I I I I I 110 I I I I I I I IN, �S \ \ \ \ \ I r � TOP OF DAM ELEV: 579.00'
SPILLWAY LENGTH: 4' / / (1\I 111 \ \ I •/ �.�* / I / / �•
EMERGENCY
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00 5g0 - 5 HW A-13 \ \ TEMPORARY IMPACT AREAS Q I I I I I I / / / / // /
\ \ \ S �4 INV:569.50 I \ I I I I I I I I / / // / �/ / -
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NORTH CAROLINA
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SHEET NUMBER
GEC-4

1 2 3 4 5
NARRATIVE: /� I l l / / / / / / // / f//// I /, i • ,�i�M�I
The proposed project is for the construction of a new roadway and supporting / / / rO fence /
infrastructure. This project is located off South Business 52, Albemarle, Stanly
County, NC. Total disturbed area for this project is 37.66 acres. The scope of
work includes installation of erosion control measures, clearing, grading, construction
of a new roadway, and installation of utilities.
MAINTENANCE PLAN:
The following maintenance plan shall be followed until the site is completely stabilized after construction. During
construction the Contractor shall be responsible for inspection and maintenance of all erosion and sediment control / - - - - - - - ( ( I I / / F _ In
structures.
1. A log must be kept for the site documenting each rainfall event and measures taken to repair or replace any / \ \ - / / I I r� '\ \ / / ,I ♦ T G' ir�`� / / _ _ - + +
damaged erosion control measures. All NPDES rules shall apply. - - - - \ - _ _ _ / / I \ ) I I ( '� NN XFC� / - - - - - - - - _ - - �' j + ++++++
01
2. All erosion control measures shall be checked for stability and operation following any rainfall producing runoff and at � - - - - - � / (00 10 40P
-
p least once every week. Any needed repairs shall be made immediately so that all erosion control measures are - I I I I I I �� p
maintained as designed.
3. The sediment traps shall be cleaned out when the level of sediment reaches the mid -depth point below the weir _ - _ / / I I I I10 _ / ,� .Met, OSCURED
elevation. Washed stone shall be cleaned or replaced when the sediment pool no longer drains properly. - - \ / / / �� - / ( i / / / 546�
i
4. All seeded areas will be fertilized, reseeded as necessary, and mulched in accordance with the seeding specifications in
order to maintain a dense vegetative cover. LIMITS OF ) 1 \ /
5. Sediment deposits shall be removed from sediment fence after each storm event or sediment fence should be CONSTRUCTION �I� / I
/ replaced. They must be removed when deposits reach approx. half the height of the barrier. Any sediment deposits I )
remaining in place after the sediment fence is removed shall be dressed to conform to the existing grade, prepared / / / L -
and seeded. ' ' / (_ , / 575-
1 6. Temporary erosion and sedimentation control measures shall remain in place until the site has been stabilized and a
1 representative of the NC DEQ Mooresville Regional Office Land Quality Section has approved their removal. ( / $000 $000 CONSTRUCTION
/ / ��
7. Any off -site borrow and waste required for this project must come from a site with an approved erosion control plan, / / � STAGING & MATERIAL
AREA / > � , � / / / / / // , 543 /
a site regulated under the Mining Act of 1971, or a landfill regulated by the Division of Solid Waste Management. / ( _ / _ /'
01
Trash/debris from demolition activities or generated by any activities on site must be disposed of at a facility I / rn
regulated by the Division of Solid Waste Management or per Division of Solid Waste Management or Division of Water / / I / - /
Resources rules and regulations.
/ � t ,
8. Plan should include provisions for groundcover in accordance with NPDES Construction Stormwater General Permit
NCGO10000 and permanent groundcover for all disturbed areas within 7 working days or 14 calendar days (whichever is
shorter) following completion of construction development. / / I , / / 570_
0 1 1 /�:�••:•:�. � I I 1 \ I I I I I I I J I I i
CONSTRUCTION SEQUENCE: / / / ` \ - `'� / / / / / /
1. Obtain plan approval and permits prior to beginning work. \I / / (/ / / / / / / / / TEMPORARY DIVERSION SWALE INSET
2. Flag the work limits to prevent unnecessary clearing. / / / / / / / / // / / / / SCALE 1"=30'
3. Hold pre -construction meeting at least one week prior to starting construction. / / ( ) / / /, %\
Notify NCDEQ 48 hours prior to meeting.
4. Clear enough vegetation to install perimeter erosion control measures. /
5. Install silt fence. I / %
6. Construct all sediment traps and skimmer basins. All sediment traps and skimmer I I I / \ / ` \ i h
basins shall be stabilized immediately after construction. Construct all remaining \ ( \ /
perimeter erosion control measures. I
I I \ \ \ / I ` /
7. Clear and grub remaining site as required. / /
8. Grade and fill areas to proposed grades shown. Contractor shall not disturb more / \ ) \ / r I i / I
area than necessary. Install slope matting as shown on plans. Seed slopes incI \\ I I // / / \
t accordance with seeding details. I I / / \ I I yler N. Baldwin
9. Provide groundcover on exposed slopes as indicated on the Soil Stabilization Table \ / I / , / / / / / D ed Book 1496, Page 582
C shown on the details sheets following completion of any phase of grading. \ `\ \\ \ / /// / 1 I ` ' I v 27589 Groves Avenue I I I I I / C
10. Perform finish grading. /
11. Remove all temporary erosion and sediment control structures after vegetation is
established on all disturbed areas and following NCDEQ approval.
Y 1 l•'•'•'•'•'•'//, / , , , / , ` ( \ \ / i / l / / l / i i I VEGETATED SWALE, VS-24.
SELF -INSPECTION NOTE:
\ \ / / / h LINE W/ STRAW W/ NET
The GC shall, on behalf of the landowner/financially responsible party, perform an \ \ / I / / �0 cD
�inspection of the area covered b the Ian after each hase of the Ian has been \ / h h IMMEDIATELY AFTERY P P P \ INSTALLATION
com leted and after establishment of tem orar round cover in accordance with G S \ \ VEGETATED SWALE VS 25
p 113A-57(2). The person who performs the inspection shall maintain and make available \ \ \ \ \ J U ' I I - LINE W/ STRAW W/ NET 3 STONE CHECK DAM // / / // / / _ // / // // ` I
W
a record of the inspection at the site of the land -disturbing activity. The record shall \ \ - -' IMMEDIATELY AFTER I / /
set out an significant deviation from the approved erosion control Ian, identify an - / CD : (TYP), REF. DETAIL /
Y 9 PP P Y Y \ � - % I � _ INSTALLATION ' S6S � / ,i /
measures that may be required to correct the deviation, and document the completion _ -
of those measures. The record shall be maintained until permanent ground cover has \ I - _ - w I SILT FENCE, TYP. AS I / 565/ COIR MESH BAFFLES, / j/
been established as required by the approved erosion and sediment control plan. The \ -1 ,, - \ = SHOWN. REF. DETAIL TYP AS SHOWN
self -inspections required are in addition to inspections required by local and/or regional cn
erosion and sediment control authorities. \ \ \ w 1 I WIRE MESH INLET SEDIMENT TRAP ST-11,
\ ` _ J \ I\ 1 \ PROTECTION, REF. DETAIL r
CB A-18 6
22I 02CF TOTAL VOLUME @ WEIR
2 \ `
RIM: 552.85 1,420 SF SA @ WEIR
QI \ \ \ \ \ \ \ INV:548.40 BOTTOM ELEV: 556.00' ---1 J / /
LEGEND \ \ \ \ \ \ - \ - - '5 \ \ \ \ _ h SPILLWAY ELEV: 558.50' / / /
sT Temporary Sediment Trap \ \ \ \ \ \ ` I c _ S6 /� ! TOP OF DAM ELEV: 560.00' /
0 P Y P : 5a no " PD11 PD11 PD11 0 1 SPILLWAY LENGTH: 4'
\ \ \ \ \ ` ( \ 1� ► pp11 � PD11 PD11 PD11� PD11 < PD11 PD11 1
Temporary Sediment Fence J \ ., > ^ j�� j R^ 54 �'p11� PD11a
p 0 r7 ♦ �' _ _ 1 EMERGENCY
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P �_ REF. DETAIL
Slope Matting 0000
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Fp-�c510 �r pDI - -::,;;:-.�_.�.• I •• ****•\ •'•\•.'.•• \ \I I
r ne c�Deed Book 1507Page 464
Rock Pile Inlet Protection % \ /// // /// vacant
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10,00
40 REF. DETAIL 1 \
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pp10 _ co LO I / I HW A-16
LO / / / / ) INV:541.92 1
PD10 P= `oJ INV: 543.10 / !
<nPD10r -�� /
► ► I SLOPE MATTING TO BE INSTALLED I ! CTI
I ALONG STREAM BANKS IN I Cn
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TEMPORARY IMPACT AREAS 1
COUNTAPROERSUN 8 RIP RAP 10 LF FTHICK ALONG THE � � !
STREAMBED. TO BE INSTALLED 1
FLUSH WITH EXISTING STREAMBED. .r I
SLOPE MATTING I ! /
SHOWN SHADED (TYPLn
) 1
GUARD RAIL,
REF. DETAIL
MATCHLINE SHEET GEC-4
r THIS DRAWING IS AN INSTRUMENT OF7i1�ICE qND SF{q�L REMNN E PROPERII' OF
CHAMBERS ENGINEERING, PA RETAINING ALL COMMON LAw, SfATUrO D O7HERiiESERVED
RIGHTS INCLUDING THE COPYRIGHT THERETO. THIS DRAWING SWLLL N E REPRODUCED OR
\ \ \ \ / / I \ \ \ I / / I / / / / (p
COPIED IN WHOLE OR PART, UNLESS OTHERWISE PROVIDED FO IN WRlfl �
_ 1
D © COPYRIGHT 2019
1 2
` •.STONE OUTLET,
' REF. DETAIL
SLOPE MATTING TO BE INSTALLED
s ALONG STREAM BANKS IN \
qpA TEMPORARY IMPACT AREAS
1HW A-15
1 INV 542 32 \ \ \ \ I I
son
ALBEMARLE
NORTH CAROLINA
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0" above ground \ \ \ - - - \ - / ^ - - _ I I I I \ ` \ _ SEAL
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SWALE INSET FOR REQ'S \ \ I \ \ \ \ \\ '� .7G1 Nlali� - I
I I EMERGENCY --- Sit,`
SPILLWAY \ \\ \�\ \ \� \�\ \ - ------ II \ \. \\ \ \\ {}�r+1 1L1551
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DIM: 22'X50'X2'
1,650 CF TOTAL VOLUME ® WEIR \ \ I J
I 1,100 SF SA @ WEIR \
BOTTOM ELEV: 546.00' \
Slier SPILLWAY ELEV: 548.50'
100,0000
00,000 TOP OF DAM ELEV: 550.00'
` � / SPILLWAY LENGTH: 4'
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P0900 .00LEVEL SPREADER L„ R projecti�
p0 0 ♦ ENTRANCE WIDTH: 10' 4' above ouny'
P09 ICI-7 00 DEPTH: 0.5'
og� i � � END WIDTH: 3'
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SHEET NUMBER
GEC-5

1 2 3 4 5
WV
NARRATIVE: il\ \\� ' \ \ j _ / �r \ \ \/ `DHVRST koE
The proposed project is for the construction of a new roadway and supporting II / W0� RIW
infrastructure. This project is located off South Business 52, Albemarle, Stanly \ I
Sewer 5rho
County, NC. Total disturbed area for this project is 37.66 acres. The scope of RIM = 562.zz'
work includes installation of erosion control measures, clearing, grading, construction I I I � tments. �6 3 Z \ I INv- 550.12'
of a new roadway, and installation of utilities. I .� � � \ SoNe,3 `nv1524 page — _ — — o
HENSON ST INSET \ soak
Deed Sewer Manhole \ R /
MgTCHLINE — e� �t I gas line —� RIM - 562.35' ter
anommI I 1 �� INV = 550.39' i /
MAINTENANCE PLAN: � � \ � I \ � W a`e
utliitY p
The following maintenance plan shall be followed until the site is completely stabilized after construction. During
construction the Contractor shall be responsible for inspection and maintenance of all erosion and sediment control m, ; / / utti�ltY v°`e ( NN
structures.
1. A log must be kept for the site documenting each rainfall event and measures taken to repair or replace any \ / / \ — 1\ C?Lo
\ \
damaged erosion control measures. All NPDES rules shall apply. \ \ i FI 31 9e o'
D 2. All erosion control measures shall be checked for stability and operation following any rainfall producing runoff and at 111 I. .00yeat // 1 \ z z \\
least once every week. Any needed repairs shall be made immediately so that all erosion control measures are I I \ \ I — — — p
maintained as designed.
3. The sediment traps shall be cleaned out when the level of sediment reaches the mid —depth point below the weir
elevation. Washed stone shall be cleaned or replaced when the sediment pool no longer drains properly. / v I I I o -o
\ \ \
4. All seeded areas will be fertilized, reseeded as necessary, and mulched in accordance with the seeding specifications in — / / I I I
order to maintain a dense vegetative cover. 31 \ 1 I \z a 1
5. Sediment deposits shall be removed from sediment fence after each storm event or sediment fence should be sewer Manhole \ \ I °
I ewer RIM - 567.71'
replaced. They must be removed when deposits reach approx. half the height of the barrier. Any sediment deposits II I \eanout INV = 563.53'
remaining in place after the sediment fence is removed shall be dressed to conform to the existing grade, prepared
and seeded.
6. Temporary erosion and sedimentation control measures shall remain in place until the site has been stabilized and a _ \ 11 I' \ \ \ \ \ \ \ \
representative of the NC DEQ Mooresville Regional Office Land Quality Section has approved their removal. _ \ I �' \ erties water meter \ \\ \\
I r 3:
HoTT\son proPOge �g4 watValoroontr c LIMITS OF I
7. Any off —site borrow and waste required for this project must come from a site with an approved erosion control plan,gook''4g3' 1 3 CONSTRUCTION 1 \
a site regulated under the Mining Act of 1971, or a landfill regulated by the Division of Solid Waste Management. o ► d \ 1 \ \ \
Trash/debris from demolition activities or generated by any activities on site must be disposed of at a facility CD Iso
I \ \
regulated by the Division of Solid Waste Management or per Division of Solid Waste Management or Division of Water�` I I \ sl I 1 \
Resources rules and regulations. x J
o // �J
8. Plan should include provisions for groundcover in accordance with NPDES Construction Stormwater General Permit n`T ADJUST MANHOLE RIM
NCGO10000 and permanent groundcover for all disturbed areas within 7 working days or 14 calendar days (whichever is \ !'3I ELEVATION AS REQ'D 1 1 \ \ I 1 \
shorter) following completion of construction development. \ \
1 ;- 1
CONSTRUCTION SEQUENCE: `— i I W / I J --a---,3 1 o I
/ / Sewer Manhol
1. Obtain plan approval and permits prior to beginning work. — — — / I� RIM = 563.34' ' 0)
2. Flag the work limits to prevent unnecessary clearing. \ ) / / ; / Gas Manhole INV = 553.17' W G)
' \ o
\ � �
3. Hold pre —construction meeting at least one week prior to starting construction. — — \ / / / I / Sewer Manhole °o
Notify NCDEQ 48 hours prior to meeting. \ \ / / RIM - 563.31' SEED &MULCH TRENCH x
i INV = 553.36' a
4. Clear enough vegetation to install perimeter erosion control measures. \ \ \ \ \ \ / / / / ' �' se ° / IMMEDIATELY AFTER � a
5. Install silt fence. \ I LIMITS OF 1\ CONSTRUCTION o_
6. Construct all sediment traps and skimmer basins. All sediment traps and skimmer \ \\ \\ \ / / / / / CONSTRUCTION s 4 // — — — \ ate< �tr I°°„�`rn wV® WV w 1 or \
basins shall be stabilized immediately after construction. Construct all remaining \ / / / \ PROPOSED 12" WL EXTENSION, 1
,p\ve o°� m
perimeter erosion control measures. \ \ \ I / / / / STONE CHECK DAM / / — p�°ce, ���' ggg °°"�r�p�� I REF. SHEET PP-7 FOR REQ'S.
on 7. Clear and grub remaining site as required. \ \ % / / / / / (TYP), REF. DETAIL pOge
8. Grade and fill areas to proposed grades shown. Contractor shall not disturb more / / / / / / / / , / ( / �p�ed BpC \ I 1 I�i STONE CHECK DAM
C area than necessary. Install slope matting as shown on plans. Seed slopes in (TYP), REF. DETAIL \
accordance with seeding details.
9. Provide groundcover on exposed slopes as indicated on the Soil Stabilization Table / / / / / / / / v 570-
shown on the details sheets following completion of any phase of grading. / / / / / / / / / / q'
10. Perform finish grading.-
11. Remove all temporary erosion and sediment control structures after vegetation is
established on all disturbed areas and following NCDEQ approval. TreLydrA I
/ \
SELF —INSPECTION NOTE:
The GC shall, on behalf of the landowner/financially responsible party, perform an / / / / / / / ' I a ob
r
inspection of the area covered by the plan after each phase of the plan has been / / / / / / / / \ cr-
completed and after establishment of temporary ground cover in accordance with G.S.
113A-57(2). The person who performs the inspection shall maintain and make available O Z 1
a record of the inspection at the site of the land —disturbing activity. The record shall / / / / / / / ' i 1 / / / — \ P. U \
set out any significant deviation from the approved erosion control plan, identify any / / / / i 3 / I \\ O\�
measures that may be required to correct the deviation, and document the completion / / / / / / I \\ �\ M
of those measures. The record shall be maintained until permanent ground cover has / / / O 3 \\ �z �
been established as required by the approved erosion and sediment control plan. The �' / / / '
self —inspections required are in addition to inspections required by local and/or regional K°I6' \
' geromitros Cousins Properties, LLC. 1 1
erosion and sediment control authorities. / Deed Book 1479, Page 413
SILT FENCE, TYP. AS • 1 I \ 31
735 Henson Street
I I I I / / to
Temporary REF. DETAIL
LEGEND
l I
sr Temporary Sediment Trap I I I I I / / / // / / // / / ' ° / / I \\ I I •
Temporary Sediment Fence
Limits of Construction I
® Rip Rap/ Stone
I I I I I I I I 0 I I I I � -, ( , 1
Slope Matting I I Mag Nall Set I I I I I I I I I I I I I I I I I j /
5` west f CLP
Level Spreader I I I I I I I I II I I I I I I / // / POINT OF BEGINNI G
I Tie
1
V Rock Pile Inlet Protection
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B II I I I I \\ \\\ \ \ \ I I I 0 TEMPORARY CONSTRUCTION \ SHEET GEC-6
TO BE MODIFIED AS PROJECT MH E 1
\ \ \ ENTRANCE OFF GROVES AVENUE. �
PROGRESSES. \.
ADJUST DRIVEWAY sewer Manhole
I I I I I I I I I I \ o CULVERT AS REQ'D
ewer RIM - ----- '
I I II I I I I I I I I I '
I I I I I � ' d i e and culvert 3' north of line �Cleonout INV�563.53' 1" 2"
I h
L I I I ' �` SCALE 1=
`� i 1 rou below GRADE THIS
We 10-0�� �AREA TO DRAIN / I / / HENSON STREET INSET
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j THIS DRAWING IS AN INSTRUMENT OF SERVICE AND SHALL REMAIN THE P OF / / I / / W,
CHAMBERS ENGINEERING, PA RETAINING ALL COMMON LAW, STATUTORY D R RESERVED
RIGHTS INCLUDING THE COPYRIGHT THERETO. THIS DRAWING SHALL NO RODUCED OR
COPIED IN WHOLE OR PART, UNLESS OTHERWISE PROVIDED FOR IN WRTI
©COPYRIGHT 2019 t ' / / / / /
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♦ MA1CH��N� Ei
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i ♦ // / / // /// I I III III I I I I IIII l l l 1/ J /� /// // // // //
PROPOSED 12" GRAVITY
SEWER, REF. UTILITY I
a♦ - / // / / // / / DWG'S FOR REQ'S.
N♦ - / / / (
�♦ PERIMETER DIKE PD-12. o♦ LINE W STRAW W NET
N ♦ IMMEDIATELY AFTER -
�♦ INSTALLATION.;sj*;*.*.*.
o VEGETATED SWALE, VS-29. / / \ % I I I I I I / /
N ; LINE W/ STRAW W/ NET// // // /
IMMEDIATELY AFTER
/ I
/ � � \� \ I IIII IIII II I\ \� \ \ \ `\ \ � 46- - - INSTALLATION / / / I I I
o I I I I I \ TEMPORARY DIVERSION SWALE INSET
N , 1�545LEVEL SPREADER
\ 544 - - ENTRANCE WIDTH: 10' / / / /" / / / / / \\ IIII I I I I I I I II I\ \ \\ \ \ \ I I 1 \ \ _ J SCALE 1"=30'
I ♦\ / 54; DEPTH: U.
♦ \ °� r, / END WIDTH: 3'
/ ♦ \� , �� � LENGTH: 10'
♦ 545 op` 540 SEDIMENT TRAP ST-151�
// // / / / ♦ ♦ / I \
\ \ ♦ � � 53c DIM: 22'x45'x2' / / / / / / / / / / ♦ ♦ I I I \ I I i I I I \ \ \ \ \ \ \ 1\ � � � \ \ \ `
1,485 CF TOTAL VOLUME ® WEIR / / / / / / / / / / / / ♦ ) I I I \ \ \ I I 1 1 \ \ \ \ \ \ \ VEGETATED SWALE, VS-27. _ ^ / I , / / / ) ) / / I/ / SEE SHEET GEC-5
,538 990 SF SA ® WEIR / / / , J I \ \ J I \ \ \ \ \ \ \ \ \ LINE W/ SYNTHETIC MAT / - / / - I I I I I FOR REQ'S
\ •' BOTTOM ELEV: 522.00' / / ♦ ♦ / I \ \ \ \ \ \\ \ \ IMMEDIATELY AFTER
SPILLWAY ELEV: 524.50' / / / / / / / / / / / / ♦ ) \ \ \ \ \ \ \ \ \ INSTALLATION
C \ STONE CHECK DAM , °p TOP OF DAM ELEV: 526.00' / / / / / / / ♦ ♦ LEVEL SPREADER \ \ \ \ \ \
\ I 1
REF. DETAIL '�'`� SPILLWAY LENGTH: 4' / / / / / / /' / / / / ENTRANCE WIDTH: 10' PERIMETER DIKE, PD-11.
40 � / / / / / // j ♦ DEPTH: 0.5' J I \ \ \ \ LINE W/ SYNTHETIC MAT \ \ - -
10 53. / / / / / 5i ♦ END WIDTH: 3' / / I \ \ \ IMMEDIATELY AFTER - - - - \ \ \ \ \ \ \ \ r
\ VEGETATED SWALE, VS-28. ` O�� COIR MESH BAFFLES, .. / / / / / // / / / LENGTH: 10' / I \ \ \ \\ INSTALLATION \ \ \ \ \ \ \ \ CB A-18
TYP AS SHOWN / / / / / ,
LINE W/ STRAW W/ NET ` � ♦ > / / / / / \ \ \ \\ \ RIM:552.85
IMMEDIATELY AFTER ` ,� O� t� / / SEDIMENT TRAP ST-13, I 1 STONE CHECK DAM \ \ \ \ \ \ \ INV:548.40
pl
INSTALLATION 2� 2 00 //' / / EMERGENCY ��'� DIM: 28'X52'X2' \ \ \ \ \ \ L (TYP), REF. DETAIL \ _ _
\ 1112L�PD12L�Pp12 40 / / / SPILLWAY F2 / �� 2,184 CF TOTAL VOLUME ® WEIR \ \ \ \ ` _ _ � I
` / / 7 �' 1,456 SF SA WEIR \\ \ \ ( i��i` ����������� ��pD PD11G7PD11
yr \ ( , / / / HW A-18 �{ `�' / \ \ G/ \ 5 S< ° ' p D11 PD11 � PD11 � PD11 � PD11 � PD11 PD11 PD11
�` - INV:519.15 ( BOTTOM ELEV: 522.00' ,� ) y s S� y ll
\ n�// INV:520.15 �� SPILLWAY ELEV: 524.50' - / Mp �c� ,F, �\ �/ v'� iplC�pp
\' \ ♦ TOP OF DAM ELEV: 526.00' h < _ son goo
SPILLWAY LENGTH: 4'77 100 7A44n Po
P
COIR MESH BAFFLES,
\ TYP AS SHOWN 100
00
area of 5 I �� 100 Poll - _
ground disturbance\,\ \ �o ♦ P�ll� , , Q
"Borrow Pit" COIR MESH BAFFLES, � \ \ " I AO'` ' � TI \ PC)
4.2 Ac +- TYP AS SHOWN y \ o \\ �� III. • Pol1C;? W _
SEDIMENT TRAP ST-14,
J W
DIM: 22'X45'X2'-
1,485 CF TOTAL VOLUME @ WEIR \ \ �� /�j / - w - PD1O � PD00 � _ 1� -� ■ram\
990 SF SA @ WEIR \ _! �� '� w polo Polo _ 3.32' of 18" RCP ®1.70%
BOTTOM ELEV: 521.00 `ry �� _
SPILLWAY ELEV: 523.50' / y/ / Pp10 �= DAO FES A-17 -
TOP OF DAM ELEV: 525.00' \ �\ `
SPILLWAY LENGTH: 4' \ �S polo ► \
EMERGENCY 'e `30 / - 10 a PD10- , _546�
SPILLWAY ` w - w / polo Polo _ \\
HW A-17 _ w Polo � ► v 515
�i INV: 518.25 ` - _ W � PD10 �-
� ► VEGETATED SWALE, VS-26.
-) polo W0 ► LINE W/ SYNTHETIC MAT
LEGEND APRON A-10. 10 LF OF 12" THICK I pD10 Gr PDlo �T► IMMEDIATELY AFTER
COUNTERSUNK RIP -RAP ALONG THE ppl =� PD1O � PD1O � PD1O � Polo _ ► INSTALLATION
ITI� III. TIT■ III■ III■ III■ ITT■ i /
I sr Temporary Sediment Trap STREAMBED. TO BE INSTALLED � � � � PERIMETER DIKE, PD-10.
B I �� Temporary Sediment Fence 0 FLUSH WITH EXISTING STREAMBED. y LINE W/ STRAW W/ NET
/ / ! p� IMMEDIATELY AFTER / 1
■ ■ Limits of Construction SLOPE MATTING TO BE INSTALLED /� / P y INSTALLATION
ALONG STREAM BANKS IN TEMPORARY / I
® Rip Rap/ Stone Q IMPACT AREAS, TYP. EACH SIDE / �� � ♦ 2 - 73.53' of 54" RCP Q 1.22% - LIMITS OF /
/IJ �� CONSTRUCTION / C 4%,
Sloe Matting
/ ♦ 1
P g COIR MESH BAFFLES,
TYP AS SHOWN
Level SpreaderEffl
SEDIMENT TRAP ST-12,
v Rock Pile Inlet Protection �� i/ j /� i / / / DIM: 28'X52'X2' /
REF. TEMPORARY DIVERSION 2,184 CF TOTAL VOLUME ® WEIR
SWALE INSET FOR REQ'S 1,456 SF SA ® WEIR
// �' / BOTTOM ELEV: 523.00'
NARRATIVE: / / / i /
� / /i // � SILT FENCE, TYP. AS / SPILLWAY ELEV: 525.50' � / / • / , /
The proposed project is for the construction of a new roadway and supporting / , / / / 1
SHOWN. REF. DETAIL / TOP OF DAM ELEV: 527.00' / / / '
infrastructure. This project is located off South Business 52, Albemarle, Stanly / // / / /I / / / /�/ , /j / SPILLWAY LENGTH: 4'
County, NC. Total disturbed area for this project is 30.19 acres. The scope of �/ ^ - - - // / / / / / / / / / \ / / �•':
PROPOSED 12" GRAVITY / / / i \ / /.•
work includes installation of erosion control measures, clearing, grading, construction �.; _ /�- / / // \f roadway, LEVEL SPREADER
oa new oawa _ SEWER, REF. UTILITY / i y' and installation of utilities. DWG'S FOR REQ'S. ENTRANCE WIDTH: 10' / / _ - - , / / / ' ***�;u
/.• / / j . DEPTH: 0.5';�;�;�;';�'� ' Lr
/ ...... i i / END WIDTH: 3'
MAINTENANCE PLAN: ******** * / CONSTRUCTION SEQUENCE: \ I I / i / / / / / / \ / I ;*;*;*;*'*'*'*'�'• /
The following maintenance plan shall be followed until the site is completely stabilized after construction. During 1. Obtain Ian approval and permits prior to beginning work. LENGTH: 10' - \ \ ( ,
I P PP P P 9 9 \ \ I I I /
Iconstruction the Contractor shall be responsible for inspection and maintenance of all erosion and sediment control �/ 2. Flag the work limits to prevent unnecessary clearing. � \ I \ / / /
structures. 3. Hold pre -construction meeting at least one week prior to starting construction. _ \ \\ //
I Notify NCDEQ 48 hours prior to meeting. �- - - _ \ \ I \ \ \ 1 / / / / / / /
I 1. A log must be kept for the site documenting each rainfall event and measures taken to repair or replace any 4. Clear enough vegetation to install perimeter erosion control measures.
damaged erosion control measures. All NPDES rules shall apply. I 5. Install silt fence.
I I 6. Construct all sediment traps and skimmer basins. All sediment traps and skimmer
/ 2. All erosion control measures shall be checked for stability and operation following any rainfall producing runoff and at basins shall be stabilized immediately after construction. Construct all remaining - - - \� \ - \ \ \ \ \ \ \ \ \ \ \ ( / / / / I / / / / /'
least once every week. Any needed repairs shall be made immediately so that all erosion control measures are / perimeter erosion control measures.
maintained as designed. / 7. Clear and grub remaining site as required.
8. Grade and fill areas to proposed grades shown. Contractor shall not disturb more
3. The sediment traps shall be cleaned out when the level of sediment reaches the mid -depth point below the weir area than necessary. Install slope matting as shown on plans. Seed slopes in
elevation. Washed stone shall be cleaned or replaced when the sediment pool no longer drains properly. accordance with seeding details, \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ / / / \ \ / I / / /
9. Provide groundcover on exposed slopes as indicated on the Soil Stabilization Table
/ 4. All seeded areas will be fertilized, reseeded as necessary, and mulched in accordance with the seeding specifications in shown on the details sheets following completion of any phase of grading.
order to maintain a dense vegetative cover. 10. Perform finish grading.
11. Remove all temporary erosion and sediment control structures after vegetation is
5. Sediment deposits shall be removed from sediment fence after each storm event or sediment fence should be established on all disturbed areas and following NCDEQ approval.
replaced. They must be removed when deposits reach approx. half the height of the barrier. Any sediment deposits
A remaining in place after the sediment fence is removed shall be dressed to conform to the existing grade, prepared r`�-
and seeded. J \\ \1 \ \\\\ \\ \ �\ _ /\\ // I l 1111 / JJ / //// ' 1 0
SELF -INSPECTION NOTE: \ \
The GC shall, on behalf of the landowner/financially responsible party, perform an i \ \ \ \ \ \ - - - J \ I /
6. Temporary erosion and sedimentation control measures shall remain in place until the site has been stabilized and a - - - - / /
representative of the NC DEQ Mooresville Regional Office Land Quality Section has approved their removal. inspection of the area covered by the plan after each phase of the plan has been -
completed and after establishment of temporary ground cover in accordance with G.S.
7. An off -site borrow and waste required for this project must come from a site with an approved erosion control Ian, 113A-57(2). The person who performs the inspection shall maintain and make available
Y q P J PP P \ \ \
a site regulated under the Mining Act of 1971, or a landfill regulated by the Division of Solid Waste Management. s record of the inspection at the site of the land -disturbing disturbing activity. The record shall
Trash debris from demolition activities or generated b an activities on site must be disposed of at a facility set out any significant deviation from the approved erosion control plan, identify any
/ g y y P y r measures that may be required to correct the deviation, and document the completion
regulated b the Division of Solid Waste Management or per Division of Solid Waste Management or Division of Water y q P
Resources rules and regulations, g P g � � of those measures. The record shall be maintained until permanent ground cover has � � �
been established as required by the approved erosion and sediment control plan. The `
s ♦\ \ \ \ I / \ /�//////// /// / / /
8. Plan should include provisions for groundcover in accordance with NPDES Construction Stormwater General Permit self -inspections required are in addition to inspections required by local and/or regional
i id sediment controlauthorities.♦ \ /
3 NCG010000 and permanent groundcover for all disturbed areas within 7 working days or 14 calendar days (whichever is erosion ansemenconshorter) following completion of construction development. _ �, �• I I / \ \ \ �/� ��j/ j,�� ��� / �" I I 2"
r XCBE-RS
AWING IS AN INSTRUMENT OF SERVICE AND SHALL REMAIN THE PROPERTY OF S / .�... �.�....; \ `` / �'
ENGINEERING, PA RETAINING ALL COMMON LAW, STAMORY AND OTHER RESERVED �` , I� / *�*�* * *y* * * * * *
NCLUDING THE COPYRIGHT THERETO. THIS DRAWING SHALL NOT BE REPRODUCED OR I - • *�**;*;* *'*' \ ` ` \ 1
COPIED IN WHOLE OR PART, UNLESS OTHERWISE PROVIDED FOR IN WRITING. , (" I� I �� • •; �� \ 1 I '
g f. 1 III II__ II I
O COPYRIGHT 2079 / , �\ l t4 •'. *♦ ♦°.rf° { ` `` ''AI..IE Il 50
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GEC-7

1 2 3 4 5
NARRATIVE: z
The proposed project is for the construction of a new roadway and supporting
infrastructure. This project is located off South Business 52, Albemarle, Stanly 4-
County, NC. Total disturbed area for this project is 37.66 acres. The scope of
work includes installation of erosion control measures, clearing, grading, construction
of a new roadway, and installation of utilities.
MAINTENANCE PLAN:
The following maintenance plan shall be followed until the site is completely stabilized after construction. During
construction the Contractor shall be responsible for inspection and maintenance of all erosion and sediment control
structures.
1. A log must be kept for the site documenting each rainfall event and measures taken to repair or replace any
damaged erosion control measures. All NPDES rules shall apply.
2. All erosion control measures shall be checked for stability and operation following any rainfall producing runoff and at vo
� �
p least once every week. Any needed repairs shall be made immediately so that all erosion control measures are Z
maintained as designed. y
3. The sediment traps shall be cleaned out when the level of sediment reaches the mid -depth point below the weir �' O
elevation. Washed stone shall be cleaned or replaced when the sediment pool no longer drains properly. 7J
4. All seeded areas will be fertilized, reseeded as necessary, and mulched in accordance with the seeding specifications in vo
order to maintain a dense vegetative cover. Z
G �
5. Sediment deposits shall be removed from sediment fence after each storm event or sediment fence should be Cn
replaced. They must be removed when deposits reach approx. half the height of the barrier. Any sediment deposits
remaining in place after the sediment fence is removed shall be dressed to conform to the existing grade, prepared
and seeded. "
5
6. Temporary erosion and sedimentation control measures shall remain in place until the site has been stabilized and a
representative of the NC DEQ Mooresville Regional Office Land Quality Section has approved their removal.
7. Any off -site borrow and waste required for this project must come from a site with an approved erosion control plan, v
a site regulated under the Mining Act of 1971, or a landfill regulated by the Division of Solid Waste Management. 4-
Trash/debris from demolition activities or generated by any activities on site must be disposed of at a facility \ \
regulated by the Division of Solid Waste Management or per Division of Solid Waste Management or Division of Water
Resources rules and regulations. „ \ eus,ness Trust
8. Plan should include provisions for groundcover in accordance with NPDES Construction Stormwater General Permit /� d water valve M°rt ReOok 1p02, p°ee24� '
NCGO10000 and permanent groundcover for all disturbed areas within 7 working days or 14 calendar days (whichever is peed BBpOk 1g, Pp9/
shorter following completion of construction development.1. p1Qz°, e ; ®water v°Ive Pt°t
) 9 P P ce P e 19 _
cs�
geed vB g ok 24. P°9e 11 ? c W water valve FE S� W th 9r pC
CONSTRUCTION SEQUENCE: P�Ot f a valve 'flu
v water �0 e v Ive
1. Obtain plan approval and permits prior to beginning work. z hy�fO"t
2. Flag the work limits to prevent unnecessary clearing. o
3. Hold pre -construction meeting at least one week prior to starting construction.
Notify NCDEQ 48 hours prior to meeting.
4. Clear enough vegetation to install perimeter erosion control measures.
5. Install silt fence.
6. Construct all sediment traps and skimmer basins. All sediment traps and skimmer
basins shall be stabilized immediately after construction. Construct all remaining
perimeter erosion control measures. 1 j SO d 9Ound
7. Clear and grub remaining site as required.
8. Grade and fill areas to proposed grades shown. Contractor shall not disturb more
area than necessary. Install slope matting as shown on plans. Seed slopes in
accordance with seeding details.
C 9. Provide groundcover on exposed slopes as indicated on the Soil Stabilization Table
shown on the details sheets following completion of any phase of grading. 10. Perform finish grading.
11. Remove all temporary erosion and sediment control structures after vegetation is 1 VEGETATED SWALE, VS-32.
established on all disturbed areas and following NCDEQ approval. , 1 1 LINE W/ STRAW W/ NET
� 1 1
SELF -INSPECTION NOTE:
IMMEDIATELY AFTER
' , 1 1 1 INSTALLATION
The GC shall, on behalf of the landowner/financially responsible y� 1
party, perform an inspection of the area covered by the plan after each
phase of the plan has been completed and after establishment of
temporary ground cover in accordance with G.S. 113A-57(2). The
person who performs the inspection shall maintain and make available
a record of the inspection at the site of the land -disturbing activity. The I _ - - - - - - - -
record shall set out any significant deviation from the approved VEGETATED SWALE, VS-31. , \ _ -
erosion control plan, identify any measures that may be required to LINE W/ STRAW W/ NET
correct the deviation, and document the completion of those IMMEDIATELY AFTER
measures. The record shall be maintained until permanent ground INSTALLATION \
cover has been established as required by the approved erosion and / \ - - - - -
sediment control plan. The self -inspections required are in STONE CHECK DAM , 1 / \ _ - - - _per` pugs 213
addition to inspections required by local and/or regional erosion and (TYP), REF. DETAIL , 1 1 550 - - - - - -O,d 0"\' 1g52, I
sediment control authorities.
I 1 \
LEGEND \ 549,
sr Temporary Sediment Trap LIMITS OF 4$,
Temporary Sediment Fence CONSTRUCTION
Limits of Construction
1
Rip Rap/ Stone
Slope Matting
Level Spreader 1 /
v Rock Pile Inlet Protection 60 kA 352, POge 213 1 4 1 1. RIM: 545.22
peed 1 1 1 1\ \ 1 INV:542.63 ( \
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PVI STA: 24+77.8
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