NC0043532_Application (ATC)_20240415

DWR
Division of Water Resources
State of North Carolina
Department of Environmental Quality
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
SECTION 1: INSTRUCTIONS AND INFORMATION
A. The Division of Water Resources will accept this application package for review only if all of the items are provided and the
application is complete. Failure to submit all of the required items will result in the application package being returned as incomplete
per 15A NCAC 02T .0105(b).
B. A check or money order must be submitted in the amount of $1000.00 (except minor modifications) dated within 90 days of
application submittal and made payable to North Carolina Department of Environmental Quality (NCDEQ).
C. Plans and specifications must be prepared in accordance with 15 NCAC 02H. 0100, 15A NCAC 02T, North Carolina General
Statute 133-3, North Carolina General Statute 143-215.11 and Division of Water Resources Minimum Design Criteria for NPDES
Wastewater Treatment Facilities.
D. The plans and specifications submitted must represent a completed final design that is ready to advertise for bid.
E. Any content changes made to this Form ATC 10-23 shall result in the application package being returned.
F. The Applicant shall submit ONE ORIGINAL and ONE DIGITAL COPY (CD) of the application, all supporting documentation
and attachments. All information must be submitted bound or in a 3-ring binder, with a Section tab for each Section, except the
Engineering Plans.
G. Check the boxes below to indicate that the information is provided and the requirements are met.
H. If attachments are necessary for clarity or due to space limitations, such attachments are considered part of the application package
and must be numbered to correspond to the item referenced.
I. For any project that requires review under the State Environmental Policy Act (SEPA), an Authorization to Construct cannot be
issued prior to the completion of a State Clearinghouse advertisement period for a FONSI, EIS, etc. unless the project qualifies for
a Determination of Minor Construction Activity or the funding entity specifies that this requirement does not apply.
J. For more information, visit the Division of Water Resources web site at: hltp://portal.ncdenr.orfz/web/wq/swp//ps/npdes.
K. In addition to this Authorization to Construct, the Applicant should be aware that other permits may be required from other Sections
of the Division of Water Resources (for example: reclaimed water facilities permits; Class A or B biosolids residuals permit).
SECTION 2: APPLICANT INFORMATION AND PROJECT DESCRIPTION
A. APPLICANT
Applicant's name
Stanly County Utilities
Signature authority's name per 15A NCAC 02T .0106(b)
Duane Wingo
Signature authority's title
Utilities Director
Complete mailing address
1000 N. 1 st Street, Suite 12, Albemarle, NC 28001
Telephone number
[phone]
Email address
[e-mail]
B. PROFESSIONAL ENGINEER
Professional Engineer's name
Carl Scharfe
Professional Engineer's title
Project Manager/Senior Process Engineer
North Carolina Professional Engineer's License No.
040525
Firm name
The Wooten Company
Firm License number
F-0115
Complete mailing address
120 N. Boylan Ave, Raleigh, NC 27603
Telephone number
919-828-0531
Email address
[e-mail]
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC 10-23) Page 1

DWR
Division of Water Resources
C. NPDES PERMIT
State of North Carolina
Department of Environmental Quality
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
NPDES Permit number
NCO043532
Current Permitted flow (MGD) — include permit
Current — 1.2 MGD, Future Flow Sheet — 2.5 MGD
flow phases if applicable
D. PROJECT DESCRIPTION
Provide a brief description of the project: This project will expand the treatment capacity at the West Stanly WWTP from 1.2
MGD to 2.5 MGD. The project will include: relocation of the existing Headworks to the front of the expanded WWTP;
installation of two new 1.5-MGD Equalization (EQ) Tanks and EQ Pump Station; installation of two new 1.25-MGD Aeration
Basins; new Caustic Feed System for pH adjustment; installation of a new Polymer Feed System; installation of a new 75-ft
diameter Clarifier with its own dedicated RAS/WAS Pump Station; expansion of the capacity of the existing RAS/WAS Pump
Station; installation of new Effluent Disc Filters; expansion of the existing Chlorine Contact Basin; expansion of the capacity of
the Effluent Pump Station; the repurpose of the existing Aeration Basins and the existing 50-ft diameter Clarifier for sludge
digestion and holding; replacement of the existing aerators in the existing Aerobic Digester; construction of a new Process and
Maintenance Building; and upgrades to the existing Control/Laboratory Building. A NPDES permit for the expanded flow of 2.5
MGD was issued December 11, 2023.
SECTION 3: APPLICATION ITEMS REOUIRED FOR SUBMITTAL FOR ALL PROJECTS
A. Cover Letter
® The letter must include a request for the Authorization to Construct; the facility NPDES Number; a brief project description
that indicates whether the project is a new facility, facility modification, treatment process modification, or facility expansion;
the construction timeline; and a list of all items and attachments included in the application package.
❑ If any of the requirements of 15 NCAC 02H. 0100, 15A NCAC 02T, North Carolina General Statute 133-31 North Carolina
General Statute 143-215.1, and Division of Water Resources Minimum Design Criteria for NPDES Wastewater Treatment
Facilities are not met by the proposed design, the letter must include an itemized list of the requirements that are not met.
❑ If the project is funded by American Rescue Plan Act (ARPA) funds, please include the ARPA project number in the cover
letter and here
B. NPDES Permit
® Submit Part I of the Final NPDES permit for this facility that includes Part A (Effluent Limitations and Monitoring
Requirements) for the monthly average flow limit that corresponds to the work that is requested for this project.
C. Special Order by Consent
❑ If the facility is subject to any Special Orders by Consent (SOC), submit the applicable SOC.
® Not Applicable.
D. Finding of No Significant Impact or Record of Decision
® Submit a copy of the Finding of No Significant Impact or Record of Decision for this project.
❑ Provide a brief description of any of the mitigating factors or activities included in the approved Environmental Document
that impact any aspect of design of this project, if not specified in the Finding of No Significant Impact or Record of
Decision.
❑ Not Applicable.
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC 10-23) Page 2

State of North Carolina
DWR
Department of Environmental Quality
Division of Water Resources
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
E. Engineering Plans
® Per 15A NCAC 02T .0504(c)(1), submit one set of detailed plans that have been signed, sealed and dated by a North Carolina
Licensed Professional Engineer.
® Per 21 NCAC 56 .1103(a)(6), the name, address and License number of the Licensee's firm shall be included on each sheet of
the engineering drawings.
® Plans must be labeled as follows: FINAL DRAWING — FOR REVIEW PURPOSES ONLY — NOT RELEASED FOR
CONSTRUCTION.
® 15A NCAC 02H .0124 requires multiple (dual at a minimum) components such as pumps, chemical feed systems, aeration
equipment and disinfection equipment. Is this requirement met by the design? ® Yes or ❑ No. If no, provide an explanation:
Plans shall include:
® Plans for all applicable disciplines needed for bidding and construction of the proposed project (check as appropriate):
® Civil ❑ Not Applicable
® Process Mechanical
❑ Not Applicable
® Structural
❑ Not Applicable
® Electrical
❑ Not Applicable
® Instrumentation/Controls
❑ Not Applicable
® Architectural
❑ Not Applicable
® Building Mechanical
❑ Not Applicable
® Building Plumbing
❑ Not Applicable
® Plan and profile views and associated details of all modified treatment units including piping, valves, and equipment (pumps,
blowers, mixers, diffusers, etc.)
® Are any modifications proposed that impact the hydraulic profile of the treatment facility? ® Yes or ❑ No. If yes, provide a
hydraulic profile drawing on one sheet that includes all impacted upstream and downstream units. The profile shall include
the top of wall elevations of each impacted treatment unit and the water surface elevations within each impacted treatment unit
for two flow conditions: (1) the NPDES permitted flow with all trains in service and (2) the peak hourly flow with one treatment
train removed from service.
® Are any modifications proposed that impact the process flow diagram or process flow schematic of the treatment facility?
Yes or ❑ No. If yes, provide the process flow diagram or process flow schematic showing all modified flow paths including
aeration, recycle/return, wasting, and chemical feed, with the location of all monitoring and control instruments noted.
F. ® Engineering Specifications
® Per 15A NCAC 02T .0504(c)(2), submit one set of specifications that have been signed, sealed and dated by a North Carolina
Licensed Professional Engineer.
® Specifications must be labeled as follows: FINAL SPECIFICATIONS — FOR REVIEW PURPOSES ONLY — NOT
RELEASED FOR CONSTRUCTION.
Specifications shall include:
® Specifications for all applicable disciplines needed for bidding and construction of the proposed project (check as appropriate):
® Civil ❑ Not Applicable
® Process Mechanical ❑ Not Applicable
® Structural ❑ Not Applicable
® Electrical ❑ Not Applicable
® Instrumentation/Controls ❑ Not Applicable
® Architectural ❑ Not Applicable
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC 10-23) Page 3

DWR
Division of Water Resources
State of North Carolina
Department of Environmental Quality
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
® Building Mechanical ❑ Not Applicable
® Building Plumbing ❑ Not Applicable
® Detailed specifications for all treatment units and processes including piping, valves, equipment (pumps, blowers, mixers,
diffusers, etc.), and instrumentation.
® Means of ensuring quality and integrity of the finished product including leakage testing requirements for structures and
pipelines, and performance testing requirements for equipment.
® Bid Form for publicly bid projects.
G. Construction Sequence Plan
® Construction Sequence Plan such that construction activities will not result in overflows or bypasses to waters of the State. The
Plan must not imply that the Contractor is responsible for operation of treatment facilities. List the location of the Construction
Sequence Plan as in the Engineering Plans or in the Engineering Specifications or in both: Section 01 12 00, Summary of Work
Paragraph 1.03.
H. Engineering Calculations
® Per 15A NCAC 02T .0504(c)(3), submit one set of engineering calculations that have been signed, sealed and dated by a North
Carolina Licensed Professional En ig neer; the seal, signature and date shall be placed on the cover sheet of the calculations.
For new or expanding facilities and for treatment process modifications that are included in Section 4.C, the calculations
shall include at a minimum:
® Demonstration of how peak hour design flow was determined with a justification of the selected peaking factor.
® Influent pollutant loading demonstrating how the design influent characteristics in Section 4.13.2 of this form were determined.
® Pollutant loading for each treatment unit demonstrating how the design effluent concentrations in Section 4.13.2 of this form
were determined.
® Hydraulic loading for each treatment unit.
® Sizing criteria for each treatment unit and associated equipment (blowers, mixers, pumps, etc.)
® Total dynamic head (TDH) calculations and system curve analysis for each pump specified that is included in Section 4.C.6.
® Buoyancy calculations for all below grade structures.
® Supporting documentation that the specified auxiliary power source is capable of powering all essential treatment units.
I. Permits
® Provide the following information for each permit and/or certification required for this project:
Permit/Certification
Not
Applicable
Date
Submitted
Date
Approved
Permit/
Certification
Number
If Not Issued Provide
Status and Expected
Issuance Date
Dam Safety
x
Soil Erosion and Sediment Control
2/20/24
6/21/24
USCOE / Section 404 Permit
x
Water Quality Certification (401)
x
USCOE / Section 10
x
Stormwater Management Plan
x
CAMA
x
NCDOT Encroachment Agreement
x
Railroad Encroachment Agreement
x
Other: NPDES Permit Modification
8/14/23
12/11/23
NCO043532
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC 10-23) Page 4

State of North Carolina
DWR
Department of Environmental Quality
Division of Water Resources
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
J. Residuals Management Plan
® For all new facilities, expanding facilities, or modifications that result in a change to sludge production and/or sludge processes,
provide a Residuals Management Plan meeting the requirements of 15A NCAC 02T .0504(i) and .0508; the Plan must include:
® A detailed explanation as to how the generated residuals (including trash, sediment and grit) will be collected, handled,
processed, stored, treated, and disposed.
® An evaluation of the treatment facility's residuals storage requirements based upon the maximum anticipated residuals
production rate and ability to remove residuals.
® A permit for residuals utilization or a written commitment to the Applicant from a Permittee of a Department approved
residuals disposal/utilization program that has adequate permitted capacity to accept the residuals or has submitted a
residuals/utilization program application.
® If oil, grease, grit or screenings removal and collection is a designated unit process, a detailed explanation as to how the
oil/grease will be collected, handled, processed, stored and disposed.
❑ Not Applicable.
SECTION 4: PROJECT INFORMATION
A. WASTEWATER TREATMENT PLANT FLOW INFORMATION — COMPLETE FOR NEW OR
EXPANDING FACILITIES
1. Provide the following flow information:
Plant Flows
Existing Plant Design
1.200 MGD
Current NPDES Permit Limit
1.200 MGD
Current Annual Average
(past 12 months)
0.620 MGD
For Past 12 Months:
Start Date: 01/23
End Date: 12/23
For Past 24 Months:
Start Date: 01/22
End Date: 12/23
Maximum Month
0.831 MGD
0.831 MGD
Maximum Day
2.708 MGD
2.708 MGD
Peak Hour
4.320 MGD
4.320 MGD
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC 10-23) Page 5

DWR
Division of Water Resources
State of North Carolina
Department of Environmental Quality
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
B. WASTEWATER TREATMENT FACILITY DESIGN INFORMATION — COMPLETE FOR NEW OR
EXPANDING FACILITIES AND FOR TREATMENT PROCESS MODIFICATIONS
1. Have all of the requirements of 15 NCAC 02H. 0100, 15A NCAC 02T, North Carolina General Statute 133-3, North
Carolina General Statute 143-215.11 and Division of Water Resources Minimum Design Criteria for NPDES Wastewater
Treatment Facilities been met by the proposed design and specifications? ® Yes or ❑ No. If no, provide justification as to
why the requirements are not met, consistent with 15A NCAC 02T .0105(n):
2. Provide the design influent and effluent characteristics that are used as the basis for the project design, and the NPDES
permit limits for the following parameters:
Project Basis of Design
Influent
Design Influent
Design Influent
Concentration
Concentration
Load
- Current
(Must be
(Must be
Annual
supported by
supported by
Design Effluent
Average (past
Engineering
Engineering
Concentration and/or
NPDES Permit Limits
12 months) if
Calculations
Calculations
Load
(monthly average)
Parameter
Available
Section 3.11
Section 3.11
Ammonia Nitrogen
1.0 mg/L Summer
1.8 mg/L Summer
(NH3-N)
N/A mg/L
26 mg/L
550 lb/day
1.0 mg/L Winter
1.8 mg/L Winter
Biochemical
5.0 mg/L Summer
5.0 mg/L Summer
Oxygen Demand
197 mg/L
230 mg/L
4,800 lb/day
(BOD5)
5.0 mg/L Winter
5.0 mg/L Winter
Fecal Coliform
N/A per 100 mL
200 per 100 mL
Nitrate + Nitrite
Nitrogen (NO3-N +
N/A mg/L
N/A mg/L
NO2-N
Total Kjeldahl
N/A mg/L
Nitrogen
N/A mg/L
N/A mg/L
Total Nitrogen
N/A lb/year
N/A lb/year
N/A mg/L
N/A mg/L
Total Phosphorus
N/A mg/L
N/A mg/L
N/A lb/day
N/A lb/year
N/A lb/year
Total Suspended
Solids (TSS)
198 mg/L
230 mg/L
4,8001b/day
5.0 mg/L
30.0 mg/L
3. Based on the "Project Basis of Design" parameters listed above, will the proposed design allow the treatment facility to meet
the NPDES Permit Limits listed above? ® Yes or ❑ No. If no, describe how and why the Permit Limits will not be met
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC 10-23) Page 6

State of North Carolina
DWR
Department of Environmental Quality
Division of Water Resources
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
4. Per 15A NCAC 02T .0505(i), by-pass and overflow lines are prohibited. Is this condition met by the design? ® Yes or ❑
No If no, describe the treatment units bypassed, why this is necessary, and where the bypass discharges:
5. Per 15A NCAC 02T .0505(k), multiple pumps shall be provided wherever pumps are used. Is this condition met by the
design? ® Yes or ❑ No. If no, provide an explanation:
6. Per 15A NCAC 02T .0505(1), power reliability shall be provided consisting of automatically activated standby power supply
onsite capable of powering all essential treatment units under design conditions, or dual power supply shall be provided per
15A NCAC 02H. 0124(2)(a). Is this condition met by the design? ® Yes or ❑ No. If no, provide (as an attachment to
this Application) written approval from the Director that the facility:
➢ Has a private water supply that automatically shuts off during power failures and does not contain elevated water storage
tanks, and
➢ Has sufficient storage capacity that no potential for overflow exists, and
➢ Can tolerate septic wastewater due to prolonged detention.
7. Per 15A NCAC 02T .0505(o), a minimum of 30 days of residual storage shall be provided. Is this condition met by the
design? ® Yes or ❑ No. If no, explain the alternative design criteria proposed for this project in accordance 15A NCAC
02T .105(n):
8. Per 15A NCAC 02T .0505(a), the public shall be prohibited from access to the wastewater treatment facilities. Explain how
the design complies with this requirement: Fencingis s in place around the existing plant. New fencing will be installed
around the expanded plant.
9. Is the treatment facility located within the 100-year flood plain? ❑ Yes or ® No. If yes, describe how the facility is
protected from the 100-year flood:
C. WASTEWATER TREATMENT UNIT AND MECHANICAL EQUIPMENT INFORMATION — COMPLETE
FOR NEW OR EXPANDING FACILITIES AND FOR MODIFIED TREATMENT UNITS
PRELIMINARY AND PRIMARY TREATMENT (i.e.. Dhvsical removal operations and flow eaualization):
No. of
Plan Sheet
Specification
Calculations
Treatment Unit
Units
Type
Size per Unit
Reference
Reference
Provided.
(Yes or No
Manual Bar Screen
MGD at peak hourly flow
Mechanical Bar
MGD at peak hourly flow
Screen
Grit Removal
MGD at peak hourly
flow
Flow Equalization
2
1,500,000 gallons
M-250 to
4651 13
Yes
M-254
Primary Clarifier
Circular
ft diameter; ft side
water depth
Primary Clarifier
Rectangular
square feet; ft side
water depth
Other
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC 10-23) Page 7

State of North Carolina
DWR
Department of Environmental Quality
Division of Water Resources
Division of Water Resources APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
2. SECONDARY TREATMENT (BIOLOGICAL REACTORS AND CLARIFIERS) (i.e., biological and chemical
processes to remove or anics and nutrients
No. of
Plan Sheet
Specification
Calculations
Treatment Unit
Units
Type
Size per Unit
Reference
Reference
Provided.
(Yes or No
Other: Selector
1
Rectangular box
25,000 gallons
M-220
46 41 23
Yes
Tank
Aerobic Zones/
2
Aeration Tanks (swing
1300
,,000 gallons
M-300 to
—
Yes
Tanks
tank + aeration
M-305
Secondary
1
Circular
463,000 gallons
M-401 to
46 43 21
Yes
Clarifier
M-403
TERTIARY TREATMENT
Plan Sheet
Specification
Calculations
Treatment Unit
FNof
Type
Size per Unit
Provided.
ts
Reference
Reference
(Yes or No)
Tertiary Filter
2
Package unit with
810 square feet
M-500 to
46 61 43
No
Rotary Disc Filters
M-501
4. DISINFECTION
Calculations
No. of
Plan Sheet
Specification
Treatment Unit
Type
Size per Unit
Provided.
Units
Reference
Reference
Yes or No
23,632 of additional gallons of
M-600 to
Chlorination
1
Chlorine Gas
—
Yes
contact tank/unit
M-601
5. RESIDUALS TREATMENT
No. of
Plan Sheet
Specification
Calculations
Treatment Unit
Units
Type
Size per Unit
Reference
Reference
Provided.
(Yes or No)
Aerobic Digesters 2 & 3
(Converted Aeration
2
Trapezoidal
600,000 gallons
M-800 to
4651 13
Yes
M-804
Basins
Aerobic Digester 4
1
Circular
206,000 gallons
M-820 to
4651 13
Yes
Converted 50-ft Clarifier)M-821
6. PUMP SYSTEMS (include influent, intermediate, effluent, major recycles, waste sludge, thickened waste sludge and plant
drain DumDS)
Capacity
Location
No. of
Purpose
Type
of each
Plan Sheet
Specification
Pumps
um
Reference
Reference
GPM
TDH
Headworks
1
Pump grease from
3-HP Seepex
25 gpm65.8
ft
M-200 to M-
46 21 33
m headworks to duster
ro ressive-cavi
201
Equalization (EQ)
2
Divert flow into the
Submersible
2,500
43 ft
M-253 to M-
3332 11
Pump Station
aboveground EQ tanks
constant speed
gpm
254
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FOMR ATC 10-23) Page 8

State of North Carolina
DWR
Department of Environmental Quality
Division of Water Resources
Division of Water Resources APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
Capacity
Location
No. of
Purpose
Type
of each
Plan Sheet
Specification
Pumps
um
Reference
Reference
GPM
TDH
New RAS Pump
3
RAS pumps for the new
Suction lift, variable
1,085
34 ft
M-404
46 07 83
Station
75-ft secondary clarifier
seed
9pm
New RAS Pump
I
WAS pump for the new
Suction lift, variable
625
21 ft
M-404
46 07 83
Station
75-ft secondary clarifier
seed
9pm
Pumping backwash from
197
112
M-500 to M-
Disc Filters
2
the filters to the plant
Backwash pump
501
46 61 43
headworks
gpm
psi
New Effluent
I
Pump WWTP effluent to
Vertical Turbine,
variaVFDpeed
1,500
267 ft
M-700 to M-
43 24 10
Pump Station
the Rocky River
gpm
701
New Effluent
Non -Potable Water Pump,
Vertical Turbine,
100
M-700 to M-
Pump Station
1
supplies water to the plant
variable speed
gpm
482 ft
701
43 24 10
reuse waters stem
Transfer sludge from the
Submersible,
Sludge Transfer
2
existing digester to the
variable speed
625
73 ft
M-810 to M-
3332 12
Pump Station
converted digesters /
(VFD)
gpm
811
sludge h Iding basins
Aerobic Digester:
Sludge loadout, pumps
Submersible
500
M-802 to M-
Converted
2
digested sludge to sludge
constant speed
gpm
37 ft
803
3332 12
Aeration Basins
loadingstand
Return clarifier scum,
New Drain Pump
2
digester decant, and
Submersible
1,000
90 ft
C-300
3332 11
Station
building/structure drains
gpm
to the new selector tank
Feed caustic to aeration
Caustic Feed
basin influent splitter box
M-350 to M-
System
2
and to effluent pump
Metering pumps
60 gph
134 ft
351
4633 10
station wet well
PH/alkalinity control
Polymer Feed
Feed polymer to the
M and
System
1
aeration tank effluent
Metering pump
2.2 gph
150 ft
-
46 33 33
(settlingaid)M353
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FOMR ATC 10-23) Page 9

State of North Carolina
DWR
Department of Environmental Quality
Division of Water Resources
Division of Water Resources APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
7. MIXERS
No. of
Power of
Plan Sheet
Specification
Location
purpose
Type
each Mixer
i
Reference
Reference
Mix together the influent
Selector Tank
1
and RAS flow before
Submersible
3
M-220
46 41 23
they entering the
Areation Tanks
If swing tank is not being
Swing Tanks
2
aerated, the mixers will
Submersible
15
M-301
46 41 23
(Aeration Tanks)
mix the contents of the
tank anoxic conditions
Aerobic Digester 1
Mix and aerate the
Floating
(Existing Digester)
2
contents the aerobic
Aerator
20
M-821
46 51 13
digester
g
Aerobic Digester 1
1
Mix the contents of the
Floating Mixer
5
M-821
46 51 15
(ExistingDigester)
aerobic digester
Aerobic Digesters 2
Mix the contents of the
M-801 to M-
& 3 (Converted
2
converted aerobic
Floating Mixer
10
802
4651 15
Aeration Basins)
digesters
Aerobic Digester 4
Mix and aerate the
Floating
M-820 to M-
(Converted 50-ft
1
contents of the converted
Aerator
40
821
4651 13
Clarifier)
aerobic digester
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FOMR ATC 10-23) Page 10

DWR
Division of Water Resources
8. BLOWERS
State of North Carolina
Department of Environmental Quality
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
No. of
Capacity of
Plan Sheet
Specification
Location
Blowers
Purpose
Type
each Blower
Reference
Reference
Rotary Screw,
Aeration Tanks
3
Aerate the aeration
Positive
2,400
M-300 to M-
43 1133
tanks
Displacement
303
Blowers with VFDs
9. ODOR CONTROL
Location
No. of
Units
Purpose
Type
Plan Sheet
Reference
Specification
Reference
N/A
N/A
N/A
N/A
N/A
N/A
D. SETBACKS — COMPLETE FOR NEW WASTEWATER TREATMENT STRUCTURES
1. The minimum distance for each setback parameter to the wastewater treatment/storage units per 15A NCAC 02T .0506(b) are
as follows:
Minimum Distance
Is Minimum Distance
Required from Nearest
Requirement met by the
Setback Parameter
Treatment/Storage
Design. If "No", identify
Unit
Setback Waivers in Item D.2
Below
Any habitable residence or place of assembly under separate
100 ft
® Yes
❑ No
ownership or not to be maintained as part of the project site
Any private or public water supply source
100 ft
® Yes
❑ No
Surface waters (streams — intermittent and perennial, perennial
50 ft
® Yes
❑ No
waterbodies, and wetlands
Any well with exception of monitoring wells
100 ft
® Yes
❑ No
Any property line
50 ft
® Yes
❑ No
2. Have any setback waivers been obtained per 15A NCAC 02T .0506(d)? ❑ Yes or ® No. If yes, have these waivers been
written, notarized and signed by all parties involved and recorded with the County Register of Deeds? ❑ Yes or ❑ No. If no,
provide an explanation:
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC 10-23) Page 10

State of North Carolina
DWR 1� Department of Environmental Quality
Division of Water Resources
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
SECTION 5: APPLICATION CERTIFICATION BY PROFESSIONAL ENGINEER
Professional Engineer's Certification per 15A NCAC 02T .0105:
I, Carl W. Scharfe, attest that this application package for an Authorization to Construct
(Typed Name of Professional Engineer)
for the Wastewater Treatment Plant Phase II Expansion
(Facility and Project Name)
was prepared under my direct supervisory control and to the best of my knowledge is accurate, complete and consistent
with the information supplied in the engineering plans, specifications, calculations, and all other supporting
documentation for this project. I further attest that to the best of my knowledge the proposed design has been prepared in
accordance with all applicable regulations and statutes, 15 NCAC 02H. 0100, 15A NCAC 02T, North Carolina General
Statute 133-3, North Carolina General Statute 143-215.1, and Division of Water Resources Minimum Design Criteria for
NPDES Wastewater Treatment Facilities, and this Authorization to Construct Permit Application, except as provided for
and explained in Section 4.13.1 of this Application. I understand that the Division of Water Resources' issuance of the
Authorization to Construct Permit may be based solely upon this Certification and that the Division may waive the
technical review of the plans, specifications, calculations and other supporting documentation provided in this application
package. I further understand that the application package may be subject to a future audit by the Division. Although
certain portions of this submittal package may have been prepared, signed and sealed by other professionals licensed in
North Carolina, inclusion of these materials under my signature and seal signifies that I have reviewed the materials and
have determined that the materials are consistent with the project design.
I understand that in accordance with General Statutes 143-215.6A and 143-215.6B, any person who knowingly makes any
false statement, representation, or certification in any application package shall be guilty of a Class 2 misdemeanor, which
may include a fine not to exceed $10,000, as well as civil penalties up to $25,000 per violation.
North Carolina Professional Engineer's seal with written signature placed over or adjacent to the seal and dated:
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APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC 10-23) Page 1 I

State of North Carolina
DWR
Department of Environmental Quality
Division of Water Resources
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT
FORM ATC 10-23
SECTION 6: APPLICATION CERTIFICATION BY APPLICANT
Applicant's Certification per 15A NCAC 02T .0106(b):
I, Duane Wingo, Utilities Director, attest that this application package for an Authorization to Construct
(Typed Name of Signature Authority and Title)
for the Wastewater Treatment Plant Phase II Expansion
(Facility and Project Name)
has been reviewed by me and is accurate and complete to the best of my knowledge. I also understand that if all required
parts of this application package are not completed and that if all required supporting information and attachments are not
included, this application package will be returned to me as incomplete. I further certify that in accordance with 15A
NCAC 02T .0120(b), the Applicant or any affiliate has not been convicted of environmental crimes, has not abandoned a
wastewater facility without proper closure, does not have an outstanding civil penalty where all appeals have been
abandoned or exhausted, are compliant with any active compliance schedule, and does not have any overdue annual fees.
I understand that the Division of Water Resources' issuance of the Authorization to Construct Permit may be based solely
upon acceptance of the Licensed Professional Engineer's Certification contained in Section 5, and that the Division may
waive the technical review of the plans, specifications, calculations and other supporting documentation provided in this
application package. I further understand that the application package may be subject to a future audit.
I understand that in accordance with General Statutes 143-215.6A and 143-215.613 any person who knowingly makes any
false statement, representation, or certification in any application package shall be guilty of a Class 2 misdemeanor, which
may include a fine not to exceed $10,000, as well as civil penalties up to $25,000 per violation. /
Signature: l/ll�� . /V / �� Date: 0 Z T 0,,2 L%
THE COMPLETED APPLICATION AND SUPPORTING INFORMATION SHALL BE SUBMITTED
TO:
NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER RESOURCES/NPDES
By U.S. Postal Service By Courier/Special Delivery:
1617 MAIL SERVICE CENTER 512 N. SALISBURY STREET, 9TH FLOOR
RALEIGH, NORTH CAROLINA 27699-1617 RALEIGH, NORTH CAROLINA 27604
TELEPHONE NUMBER: [phone]
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC 10-23) Page 12