HomeMy WebLinkAboutWQ0039834_MOD_New_Bowers_Road_Pump_Station_FTSSE_Final_App_20241114State of North Carolina
DWR Department of Environmental Quality
Division of Water Resources
FAST TRACK SEWER SYSTEM EXTENSION APPLICATION
Pro
of Water Resources r,, FTA 10-23 & SUPPORTING DOCUMENTATION
t� Tip Application Number: k4d0_Zp YT O "OOoobbe completed by DWR)
IW G :�4Z�11y/— All items must be completed or the application will be returned
I. APPLICANT INFORMATION:
1. Applicant's name: Davidson County (company, municipality, HOA, utility, etc.)
2. Applicant type: ❑ Individual ❑ Corporation ❑ General Partnership ❑ Privately -Owned Public Utility
❑ Federal ® State/County ❑ Municipal ❑ Other
3. Signature authority's name: Casey Smith per 15A NCAC 02T .0106(b)
Title: County Manager
4. Applicant's mailing address: 913 North Greensboro Street
City: Lexington State: North Carolina Zip: 27292-
5. Applicant's contact information:
Phone number: 3( 36) 242-2000 Email Address: Casev.Smith(a)DavidsonCountvNC.Pov
11. PROJECT INFORMATION:
1. Project name: New Bowers Road Pump Station
2. Application/Project status: ❑ Proposed (New Permit) ® Existing Permit/Project
If a modification, provide the existing permit number: W00039834 and issued date: 02/28/18.
For modifications, also attach a detailed narrative description as described in Item G of the checklist.
If new construction, but part of a master plan, provide the existing permit number: W000_
3. County where project is located: Davidson
4. Approximate Coordinates (Decimal Degrees): Latitude: 35.8055' Longitude:-80.1832'
5. Parcel ID (if applicable): _ (or Parcel ID to closest downstream sewer)
III. CONSULTANT INFORMATION:
1. Professional Engineer: John "Clay" Phillips License Number: 052139
Firm: Alley, Williams. Carmen, & King, Inc.
Mailing address: 740 Chanel Hill Road
City: Burlington State: North Carolina Zip: 27215-_
Phone number: (336) 226-5534 Email Address: cphilliosla awck.com
IV. WASTEWATER TREATMENT FACILITY (WWTF) INFORMATION:
1. Facility Name: Lexington Regional W WTF Permit Number: NCO055786
Owner Name: City of Lexington
V. RECEIVING DOWNSTREAM SEWER INFORMATION:
1. PernitNumber(s): W00039834
2. Downstream (Receiving) Sewer Information: 8 inch ® Gravity ❑ Force Main
3. System Wide Collection System Permit Number(s) (if applicable): WQCS00042
Owner Name(s): City of Lexington
FORM: FTA 10-23 Page 1 of 5
State of North Carolina
Department of Environmental Quality
DW'
R Division of Water Resources
/ XFAST TRACK SEWER SYSTEM EXTENSION APPLICATION
,Division of Water Resources FTA 10-23 & SUPPORTING DOCUMENTATION
NC Den
nvironmenta Quality e^ ,, �L(` �ant� ,2az41J;2_Q
Received Application Number: qEi/ (to be completed by DWR)
OCT 2 4 2024 *3 b r 2o2�Frr Z ff
All items must be completed or the application will be returned
Winston SafeiIri
I. APPLICANT INFORMATION:
egiona� Ottice
1. Applicant's name: Davidson County (company, municipality, FICA, utility, etc.)
2. Applicant type: ❑ Individual ❑ Corporation ❑ General Partnership ❑ Privately -Owned Public Utility
❑ Federal ® State/County ❑ Municipal ❑ Other
3. Signature authority's name: Casey Smith per 15A NCAC 02T .0106tb)
Title: County Manager "
4. Applicant's mailing address: 913 North Greensliom Street r
City: Lexington State: North Carolina Zip: 27292
5. Applicant's contact information:
Phone number: 336 242-2000 Email Address: Casev.Smith(7a DavidsonCounty23C.gov
11 PROJECT INFORMATION:
1. Project name: New Bowers Road Pump Station
2. Application/Project status: ❑ Proposed (New Permit) ® Existing Permit/Project
If a modification, provide the existing permit number: W00039834 and issued date: 02/28/18,
For modifications, also attach a detailed narrative description as described in Item G of the checklist.
If new construction, but part of a master plan, provide the existing permit number: W000
3. County where project is located: Davidson _
4. Approximate Coordinates (Decimal Degrees): Latitude: 35.8055' Longitude: 80.1832'
5. Parcel ID (if applicable): (or Parcel ID to closest downstream sewer)
III. CONSULTANT INFORMATION:
1. Professional Engineer: John "Clay" Phillips License Number: 052139
Firm: Alley, Williams, Carmen, & King Inc.
Mailing address: 740 Chapel Hill Road
City: Burlington' State: North Carolina` Zip: 27215
Phone number: (IM) 226-5534 ' Email Address: cnhilli s a awck.com
IV. WASTEWATER TREATMENT FACILITY (WWTF) INFORMATION:
1. Facility Name: Lexington Regional W WTF Permit Number: NC0055786
Owner Name: City of Lexington
V. RECEIVING DOWNSTREAM SEWER INFORMATION:
1. Permit Number(s): W00039834
2. Downstream (Receiving) Sewer Information: 8 inch 'ty❑ Force Main
3. System Wide Collection System Permit Number(s) (if applicabCGra
S00057
Owner Name(s): City of Lexington '
FORM: ETA 10-23 Page 1 of 5
' VI. GENERAL REQUIREMENTS
1. If the Applicant is a Privately -Owned Public Utility, has a Certificate of Public Convenience and Necessity been attached?
❑ Yes ❑ No ®N/A'
2. If the Applicant is a Developer of lots to be sold, has a Developer's Operational Agreement (FORM: DEV) been attached?
❑ Yes ❑ No ® N/A
3. If the Applicant is a Home/Property Owners' Association, has an HOA/POA Operational Agreement (FORM: HOA) and
supplementary documentation as required by 15A NCAC 02T.0115(c) been attached?
❑ Yes ❑ No ® N/A /
4. Origin of wastewater: (check all that apply):
❑ Residential (Individually Owned) ❑ Retail (stores, centers, malls) ❑ Car Wash
❑ Residential (Leased) ❑ Retail with food preparation/service ❑ Hotel and/or Motels
® School / preschool / day care ❑Medical /dental /veterinary facilities ❑Swimming Pool/Clubhouse
❑ Food and drink facilities ❑ Church ❑ Swimming Pool/Filter Backwash
❑ Businesses / offices / factories ❑ Nursing Home ❑ Other (Explain in Attachment)
5. Nature of wastewater : 100 % Domestic % Commercial _ % Industrial (See 15A NCAC 02T .0103(20))
If Industrial, is there a Pretreatment Program in effect? ❑ Yes ❑ No
6. Has a flow reduction been approved under 15A NCAC 02T .0114(fl? ❑ Yes ® No
➢ If yes provide a copy of flow reduction approval letter with this application
7. Summarize wastewater generated by project:
Establishment Type (see 02T.0114(f))
Daily Design Flow' °
No. of Units
Flow
gall
GPD
gall
GPD
gal/
GPD
gall
GPD
gall
GPD
gal/
GPD
Total
GPD
a See 15A NCAC 02T .0114(b), (d), (e)(1) and (e)(2) for caveats to wastewater design flow rates (i.e. proposed unknown
non-residential development uses; public access facilities located near high public use areas; and residential property
located south or east of the Atlantic Intracoastal Waterway to be used as vacation rentals as defined in G.S. 42A4 .
b Per 15A NCAC 02T .0I 14(c), design flow rates for establishments not identified [in table 15A NCAC 02T.01141 shall be
determined using available flow data, water using fixtures, occupancy or operation patterns, and other measured data.
8. Wastewater generated by project: 0 GPD (per 15A NCAC 02T .0114 and G.S. 143-215.1)
➢ Do not include future flows or previously permitted allocations
If permitted flow is zero, please indicate why:
®`Pump Station/Force Main or Gravity Sewer where flow will be permitted in subsequent permits that connect to this line.
Please provide supplementary information indicating the approximate timeframe for permitting upstream sewers with flow.
❑ Flow has already been allocated in Permit Number: Issuance Date:
❑ Rehabilitation or replacement of existing sewers with no new flow expected
❑ Other (Explain):
FORM: ETA 10-23 Page 2 of 5
VH. GRAVITY SEWER DESIGN CRITERIA (If Applicable) - 02T .0305 & MDC (Gravity Sewers):
1. Summarize gravity sewer to be permitted:
Size (inches) Length (feet) Material
➢ Section II & III of the MDC for Permitting of Gravity Sewers contains information related to design criteria
➢ Section III contains information related to minimum slopes for gravity sewer(s)
➢ Oversizing lines to meet minimum slope requirements is not allowed and a violation of the MDC
VIII. PUMP STATION DESIGN CRITERIA (If Applicable) — 02T .0305 & MDC (Puma Stations/Force Mains):
PROVIDE A SEPARATE COPY OF THIS PAGE FOR EACH PUMP STATION INCLUDED IN THIS PROJECT
1. Pump station number or name: New Bowers Road Pump Station
2. Approximate Coordinates (Decimal Degrees): Latitude: 35.8055' Longitude:-80.1832'
3. Total number of pumps at the pump station: 2'
3. Design flow of the pump station: 0.936 millions gallons per day (firm capacity)
➢ This should reflect the total GPM for the pump station with the largest pump out of service.
4. Operational point(s) per pump(s): 650 gallons per minute (GPM) at 180 feet total dynamic head (TDH)
5. Summarize the force main to be permitted (for this Pump Station):
Size (inches) Length (feet) Material
If any portion of the force main is less than 4-inches in diameter, please identify the method of solids reduction per
MDCPSFM Section 2.01C.Lb. ❑ Grinder Pump ❑ Mechanical Bar Screen ❑ Other (please specify)
6. Power reliability in accordance with 15A NCAC 02T .0305(h)(1):
Standby power source or ❑ Standby pump
➢ Must have automatic activation and telemetry - 15A NCAC 02T.0305(h)(1)(B).
➢ Required for all pump stations with an average daily flow greater than or equal to 15,000 gallons per day
➢ Must be permanent to facility and may not be portable
Or if the pump station has an average daily flow less than 15,000 gallons per day 15A NCACO2T.0305(h)(1)(C):
❑ Portable power source with manual activation, quick -connection receptacle and telemetry -
or
❑ Portable pumping unit with plugged emergency pump connection and telemetry:
➢ Include documentation that the portable source is owned or contracted by the applicant and is compatible with the station.
➢ If the portable power source or pump is dedicated to multiple pump stations, an evaluation of all the pump stations' storage
capacities and the rotation schedule of the portable power source or pump, including travel timeframes, shall be provided
as part of this permit application in the case of a multiple station power outage.
FORM: FTA 10-23 Page 3 of 5
IX. SETBACKS & SEPARATIONS — (02B .0200 & 15A NCAC 02T .0305(f)):
1. Does the project comply with all separations/alternatives found in 15A NCAC 02T .0305(0 & W ® Yes [-]No
15A NCAC 02T.0305 contains minimum separations that shall be provided for sewers stems:
Setback Parameter*
Separation Required
Storm sewers and other utilities not listed below (vertical)
18 inches
ZWater mains (vertical - water over sewer preferred, including in benched trenches)
18 inches
'Water mains (horizontal)
10 feet
Reclaimed water lines (vertical - reclaimed over sewer)
18 inches
Reclaimed water lines (horizontal - reclaimed over sewer)
2 feet
"Any private or public water supply source, including any wells, WS-I waters of Class I or
Class II impounded reservoirs used as a source of drinking water, and associated wetlands.
100 feet
"*Waters classified WS (except WS-I or WS-V), B, SA, ORW, HQW, or SB from normal
high water (or tide elevation) and wetlands associated with these waters (see item IX.2)
50 feet
"*Any other stream, lake, impoundment, or ground water lowering and surface drainage
ditches, as well as wetlands associated with these waters or classified as WL.
10 feet
Any building foundation (horizontal)
5 feet
Any basement (horizontal)
10 feet
Top slope of embankment or cuts of 2 feet or more vertical height
10 feet
Drainage systems and interceptor drains
5 feet
Any swimming pools
10 feet
Final earth grade (vertical)
36 inches
➢ If noncompliance with 02T.0305(fl or M, see Section X.1 of this application
* 15A NCAC 02T.0305(g) contains alternatives where separations in 02T.0305(f) cannot be achieved. Please check "yes"
above if these alternatives are used and provide narrative information to explain.
"*Stream classifications can be identified using the Division's NC Surface Water Classifications weboage
2. Does this project comply with the minimum separation requirements for water mains? ® Yes ❑ No ❑ N/A
➢ If no, please refer to 15A NCAC 18C.0906(f) for documentation requirements and submit a separate document,
signed/sealed by an NC licensed PE, verifying the criteria outlined in that Rule.
3. Does the project comply with separation requirements for wetlands? ® Yes ❑ No ❑ N/A
➢ Please provide supplementary information identifying the areas of non-conformance.
➢ See the Division's draft separation requirements for situations where separation cannot be met.
➢ No variance is required if the alternative design criteria specified is utilized in design and construction.
4. Is the project located in a river basin subject to any State buffer rules? ❑ Yes Basin name: _ ® No
If yes, does the project comply with setbacks found in the river basin rules per 15A NCAC 02B .0200? [-]Yes [—]No
➢ This includes Trout Buffered Streams per 15A NCAC 2B.0202
5. Does the project require coverage/authorization under a 404 Nationwide/individual permits ❑ Yes ® No
or 401 Water Quality Certifications?
➢ Please provide the permit number/permitting status in the cover letter if coverage/authorization is required.
6. Does project comply with 15A NCAC 02T.0105(c)(6) (additional permits/certifications)? ® Yes ❑ No
Per I SA NCAC 02T.0105(c)(6), directly related environmental permits or certification applications must be being prepared,
have been applied for, or have been obtained. Issuance of this permit is contingent on issuance of dependent permits (erosion
and sedimentation control plans, stormwater management plans, etc.).
7. Does this project include any sewer collection lines that are deemed "high -priority?" [-]Yes ® No
Per 15A NCAC 02T.04021 "high -priority sewer" means any aerial sewer, sewer contacting surface waters,
siphon, or sewers positioned parallel to streambanks that are subject to erosion that undermines or deteriorates the sewer.
Siphons and sewers suspended through interference/conflict boxes require a variance approval.
➢ If yes, include an attachment with details for each line, including type (aerial line, size, material, and location).
High priority lines shall be inspected by the permittee or its representative at least once every six -months and
inspections documented per 15A NCAC 02T.0403(a)(5) or the permittee's individual System -Wide Collection permit.
FORM: FTA 10-23 Page 4 of 5
IX. SETBACKS & SEPARATIONS — (02B .0200 & 15A NCAC 02T .0305(f)):
1. Does the project comply with all separations/alternatives found in 15A NCAC 02T .0305(fl & (a)?
1 a A V r A r 02T rnn(r) rnnta;— ,,,;-i— m seoarat;nm that shall he nmvided for sewer systems:
® Yes ❑ No
Setback Parameter*
Separation Required
Storm sewers and other utilities not listed below (vertical)
18 inches
2Water mains (vertical - water over sewer preferred, including in benched trenches)
18 inches
2Water mains (horizontal)
10 feet
Reclaimed water lines (vertical - reclaimed over sewer)
18 inches
Reclaimed water lines (horizontal - reclaimed over sewer)
2 feet
**Any private or public water supply source, including any wells, WS-1 waters of Class I or
Class 11 impounded reservoirs used as a source of drinking water, and associated wetlands.
100 feet
**Waters classified WS (except WS-I or WS-V), B, SA, ORW, HQW, or SB from normal
high water (or fide elevation) and wetlands associated with these waters (see item IX.2)
50 feet
**Any other stream, lake, impoundment, or ground water lowering and surface drainage
ditches, as well as wetlands associated with these waters or classified as WL.
10 feet
Any building foundation (horizontal)
5 feet
Any basement (horizontal)
10 feet
Top slope of embankment or cuts of 2 feet or more vertical height
10 feet
Drainage systems and interceptor drains
5 feet
Any swimming pools
10 feet
Final earth grade (vertical)
36 inches
➢ If noncompliance with 02T.0305(fl or (gl, see Section X.1 of this application
* 15A NCAC 02T.0305(e) contains alternatives where separations in 02T.0305(fl cannot be achieved. Please check "yes"
above if these alternatives are used and provide narrative information to explain.
**Stream classifications can be identified using the Division's NC Surface Water Classifications weboaee
2. Does this project comply with the minimum separation requirements for water mains? ® Yes ❑ No ❑ N/A
➢ If no, please refer to 15A NCAC 18C.0906(f) for documentation requirements and submit a separate document,
signed/sealed by an NC licensed PE, verifying the criteria outlined in that Rule.
3. Does the project comply with separation requirements for wetlands? ® Yes ❑ No ❑ N/A
➢ Please provide supplementary information identifying the areas of non-conformance.
➢ See the Division's draft separation requirements for situations where separation cannot be met.
➢ No variance is required if the alternative design criteria specified is utilized in design and construction.
i
4. Is the project located in a river basin subject to any State buffer rules? ❑ Yes Basin name: ®No
If yes, does the project comply with setbacks found in the river basin rules per 15A NCAC 02B .02009 ❑ Yes ❑ No
➢ This includes Trout Buffered Streams per 15A NCAC 213.0202
5. Does the project require coverage/authorization under a 404 Nationwide/individual permits ❑ Yes ® No
or 401 Water Quality Certifications?
➢ Please provide the permit number/permitting status in the cover letter if coverage/authorization is required.
6. Does project comply with 15A NCAC 02T.0105(c)(6) (additional permits/certifications)? ® Yes ❑ No
Per 15A NCAC 02T.0 I 05(c)(6), directly related environmental permits or certification applications must be being prepared,
have been applied for, or have been obtained. Issuance of this permit is contingent on issuance of dependent permits (erosion
and sedimentation control plans, stormwater management plans, etc.).
i
7. Does this project include any sewer collection lines that are deemed "high -priority?" ® Yes ❑ No
Per 15A NCAC 02T.0402, "high -priority sewer" means any aerial sewer, sewer contacting surface waters,
siphon, or sewers positioned parallel to streambanks that are subject to erosion that undermines or deteriorat r.
Siphons and sewers suspended through interference/conflict boxes require a variance approval.
➢ If yes, include an attachment with details for each line, including type (aerial line, size, material, and location).
High priority lines shall be inspected by the permttee or its representative at least once every six -months and
inspections documented per 15A NCAC 02T.0403(a)(5) or the permittee's individual System -Wide Collection permit.
FORM: FTA 10-23 Page 4 of 5
X. CERTIFICATIONS:
1. Does the submitted system comply with 15A NCAC 02T, the Minimum Design Criteria for the Permitting of Pump Stations
and Force Mains (latest version), and the Gravity Sewer Minimum Design Criteria (latest version) as applicable?
® Yes ' ❑ No
If no, for projects requiring a single variance, complete and submit the Variance/Alternative Design Request application
(VADC 10-14) and supporting documents for review to the Central Office. Approval of the request will be issued
concurrently with the approval of the permit and oroiects requiring a variance approval may be subject to loner
review times For oroiects reauirine two or more variances or where the variance is determined by the Division to be a
significant portion of the project the full technical review is required.
2. Professional Engineer's Certification: /
I, pNn� _ l.Ui{ �1�5 ,attest that this application for N60 des IZ AMP
(Professional Engineer's name from Application Item III.I.) (Project Name from Application Item 11.1)
has been reviewed by me and is accurate, complete and consistent with the information supplied in the plans,
specifications, engineering calculations, and all other supporting documentation to the best of my knowledge. I further
attest that to the best of my knowledge the proposed design has been prepared in accordance with the applicable regulations,
Minimum Design Criteria for Gravitv Sewers (latest version), and the Minimum Design Criteria for the Fast -Track Permitting
of Pump Stations and Force Mains (latest version). Although other professionals may have developed certain portions of this
submittal package, inclusion of these materials under my signature and seal signifies that I have reviewed this material and
have judged it to be consistent with the proposed design.
NOTE — 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. Misrepresentation of the application
information, including failure to disclose any design non-compliance with the applicable Rules and design criteria, may subject
the North Carolina -licensed Professional Engineer to referral to the licensing board. (21 NCAC
North Carolina Professional Engineer's seal, signature, and date: ,...
i
:a SE
21 �8,,,��C.
Applicant's Certification per 15A NCAC 02T .0106(b):
CklaA SM NFw BI> � ► ►P �a
I, �H ,attest that this application for
(signature Authority Name from Application Item I.3.) (Project Name from Application Item It.1)
attest that this application has been reviewed by me and is accurate and complete to the best of my knowledge.
I understand that if all required parts of this application are not completed and that if all required supporting documentation
and attachments are not included, this application package is subject to being returned as incomplete. I understand that any
discharge of wastewater from this non -discharge system to surface waters or the land will result in an immediate enforcement
action that may include civil penalties, injunctive relief, and/or criminal prosecution. I will make no claim against the Division
of Water Resources should a condition of this permit be violated. 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.
NOTE — 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.
Signature:
% C 1 � Date:
FORM: ETA 10-23 Page 5 of 5
MaLLey,
Williams, carmen & king, inc.
ENGINEERING • ARCHITECTURE • SURVEYING
October 22nd, 2024
North Carolina Department of Environmental Quality
Division of Water Resources
450 West Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
Subject: Fast Track Application for Gravity Sewers, Pump Stations & Force Mains
Davidson County — New Bowers Road Pump Station
AWCK Project No. 23042
Review Team:
On behalf of Davidson County, please find enclosed for your review and approval the following:
1. Original and one (1) copy of Fast Track Application with required certification.
2. Existing Sewer Permit— WQ0039834 (2 copies)
3. Application Fee in the amount of $600.00.
4. Color USGS map showing project and surrounding areas (2 copies).
S. Street Level Map (2 copies).
Davidson County is proposing to modify the existing pump station (New Bowers Road Pump Station)
that was constructed as part of the 1-84/US Hwy 64 Interchange Sewer Improvements project
(WQ0039834). The original project included construction of 175 LF of 8" gravity sewer, 40 LF of 12"
gravity sewer, a 200 GPM duplex pump station, and 3,150 LF of 6" forcemain. This project was
permitted to discharge "0" gallons of sewer. The permit application for modification of this existing
permit only affects the pump station flow rate, as all other components will remain in place and
operable. Modifications include replacement of the electrical gear, pump controls, generator, and
pumps in order to increase the pump rate from 200 GPM to 650 GPM. The permitted discharge will be
unaffected by the modifications, as any new flow to the pump station will be permitted separately. The
pump rate change is being made in order to allow future growth in the sewershed once additional
projects are completed.
Should you have any questions or need any additional information, please feel free to contact me.
With Best Regards,
Alley, Williams, Carmen and King, Inc.
J. "Clay' Phillips, P.E.
cc: Casey Smith, Davidson County
740 Chapel Hill Road, Burlington, North Carolina P.O. Box 1179 (27216)
Tel. (336) 226-5534 Fax (336) 226-3034 awck.com
MaLley,
williams, carmen & king, Inc.
ENGINEERING • ARCHITECTURE • SURVEYING
October 22nd, 2024
North Carolina Department of Environmental Quality
Division of Water Resources
450 West Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
Subject: Silver Valley Regional Sewer System
New Bowers Road Pump Station and Outfall
AWCK Project No. 23042
Review Team:
NC Department of
Environmental Quality
Received
OCT 2 4 2024
Winston-Salem
Regional Office
On behalf of Davidson County and the City of Thomasville, please find enclosed for your review and
approval the following:
1. Silver Valley Regional Sewer System —Sewer Permitting Memo and Map
2. Sewer System Permit Ownership/Name Change Application
3. Fast Track Sewer Application —New Bowers Road Pump Station
4. Fast Track Sewer Application —New Bowers Road Outfall
5. Fast Track Sewer Application — Nucor Outfall Extension
Davidson County and the City of Thomasville are submitting the above permit application packets for
the upcoming sanitary sewer project that will eventually become part of the Silver Valley Regional Sewer
System that is being constructed in the Thomasville/Lexington region of Davidson County, NC. The
permit applications submitted as part of this package are individual permits, but all are part of a single
construction project (AWCK Project #23042). Because of funding, this project is being constructed
under a single contract. We have included a memo and map with the permit applications in an effort to
provide additional detail about the project, how each section is broken down into individual permits,
and how this project relates to the future Silver Valley Regional Sewer System.
Should you have any questions or need any additional information, please feel free to contact me.
With Best Regards,
Alley, Williams, Carmen and King, Inc.
J. "Clad" Phillips, P.E.
cc: Casey Smith, Davidson County
Josh Johnson, P.E., AWCK
740 Chapel Hill Road, Burlington, North Carolina P.O. Box 1179 (27216)
Tel. (336) 226-5534 Fax (336) 226-3034 awck.com
MalLey,
williams, carmen & king, Inc.
ENGINEERING • ARCHITECTURE • SURVEYING
Silver Valley Regional Sewer System — Sewer Permitting Memo:
Davidson County and the City of Thomasville are currently working together to provide sewer service to
a significant area in the Silver Valley area of Davidson County. This project is known as the Silver Valley
Regional Sewer System and is intended to serve an area of the County along the Highway 64 corridor,
between Interstate 85 and NC Highway 109. A majority of this area is not currently served with sewer,
and is considered to be a highly attractive area for future economic development, specifically industrial
development. The regional system is being built in several different phases funded by each party,
requiring permitting to be submitted for individual parts of the whole project that will eventually be
owned and maintained by the City of Thomasville. As discussed below in detail, each of the phases will
operate independently of one another until the final project is completed, allowing the New Bowers
Road Pump Station to pump into the Nucor Sanitary Sewer Outfall extension, connecting it to the Silver
Valley Regional Sewer System. Once this final project is completed, a transfer of ownership and permit
modification application will be made to get the New Bowers Road Pump Station and associated outfall
transferred to the City of Thomasville.
The initial phase of the project began construction in the first quarter of 2024 and is known as the Nucor
Sanitary Sewer Outfall. This permit number for this project is WQ0045042 and consists of
approximately 9,111 LF of 24 gravity sewer, a 100 GPM grinder pump station, approximately 20 LF of 3"
force main, and approximately 2,120 LF of 4" force main discharging into the City of Thomasville's
existing sewer system. This project is nearing completion and will be certified for use well ahead of the
start of the next phase of construction of the regional system.
The second phase of the Silver Valley Regional Sewer System is made up of a single construction
contract, but is being submitted for permitting with three different applications. The first permit
application is known as the Nucor Sanitary Sewer Outfall. This portion of the project is intended to
extend the outfall constructed in the initial phase (WQ0045042) from it's upstream end point adjacent
to Kepley Road, north and west to US Highway 64. This project also includes the force main which will
be needed in the future to connect the existing New Bowers Road Pump Station to the outfall that is
being proposed, allowing the New Bowers Road Pump Station to pump to the regional sewer system.
The permit application for this work will include a total of 8,895 LF of 18" PVC sanitary sewer outfall, 380
LF of 18" DIP sanitary sewer outfall, 130 LF of 12 PVC sanitary sewer outfall, 210 LF of 12" DIP sanitary
sewer outfall, and 12,250 LF of 10 DIP force main. The permit application for this work will be for "No
Flow", as any new flow tributary to this outfall will be permitted separately. The force main will also be
considered "No Flow" as it will not be connected to the existing New Bowers Road Pump Station in the
current phase of work, but will be connected after the final phase, when permitting will also be updated
to show this flow being redirected to the City of Thomasville. The intent to is minimize costs and
environmental impacts by installing the force main concurrently with the sanitary sewer outfall to be
installed as detailed in the third permit application for the second phase of the Silver Valley Regional
Sewer System. This permit application will be from the City of Thomasville, as the system will be
operated and maintained by the City.
The second application for the second phase of the Silver Valley Regional Sewer System is known as the
New Bowers Road Pump Station. This permit application will be for a modification of the existing permit
number WQ0039834, upgrading the pump station from 200 GPM to 650 GPM. Original portions of the
existing permit to remain as -is include the gravity sewer, force main, and major structures at the existing
740 Chapel Hill Road, Burlington, North Carolina P.O. Box 1179 (27216)
Tel. (336) 226-5534 Fax (336) 226-3034 awck.com
MaLLey,
williams, carmen & king, Inc.
ENGINEERING • ARCHITECTURE • SURVEYING
pump station. The work being submitted as part of this permit application include replacement of the
electrical components, replacement of back-up generator, and replacement of the existing pumps as
required to increase the pump capacity of the pump station from 200 GPM to 650 GPM. The existing
permittee for this pump station and associated gravity sewer and force main is the City of Lexington, but
the physical ownership had been maintained by Davidson County. A name change request for the
existing permit has been submitted in order to show Davidson County as the permittee. The permit
application for the work described above will be from Davidson County, as they will be responsible for
the operation of the pump station until it is turned over to the City of Thomasville. Once the final phase
of the Silver Valley Regional Sewer System is completed, this pump station will be transferred to the City
of Thomasville and re -permitted, as flow will be redirected from the existing force main to the proposed
10" force main installed as part of the permit application in the above paragraph. Once this re -
permitting is complete, flow will be tributary to the City of Thomasville system, allowing additional
development in the service area and reducing flow into the City of Lexington system.
The third application for the second phase of the Silver Valley Regional Sewer System is known as the
New Bowers Road Outfall. This outfall extends from the existing outfall installed as part of the 1-85/US
Hwy 64 Interchange Sewer Improvements project (WQ0039834) east and north, across US Highway 64
to the Davis -Townsend Elementary School. This portion of the project is intended to provide sewer
service to the elementary school, along with providing sewer service to other areas that are not
currently served with sewer. The permit application for this work will include 2,365 LF of 12" PVC
sanitary sewer outfall, 895 LF of 12" DIP sanitary sewer outfall, 4,675 LF of 8" PVC sanitary sewer outfall,
and 1,170 LF of 8" DIP sanitary sewer outfall. The permit application for this work will be for a design
capacity of 6,000 GPD (500 students @ 12 gal/student) to serve the elementary school, which does have
a cafeteria but no gym or showers. While the intent of this outfall is to serve additional economic
development in the area, these future projects will be permitted separately. This permit application will
be from Davidson County, as they will be responsible for the maintenance of the outfall until it is turned
over to the City of Thomasville.
The final phase of the Silver Valley Regional Sewer System will include an outfall extension downstream
of WQ0045042, a new regional pump station, and force main from the pump station to the City of
Thomasville's Hamby Creek Wastewater Treatment Plant. This project will be submitted for permitting
sometime in the second quarter of 2025, with design still being completed. Once this project is
completed and in operation, the New Bowers Road Pump Station tie-in to the force main installed as
part of the first permit application in the second phase of the regional system can be completed. As part
of this work, a transfer of ownership and permit modification application will be made to get the New
Bowers Road Pump Station and associated outfall transferred to the City of Thomasville.
740 Chapel Hill Road, Burlington, North Carolina P.O. Box 1179 (27216)
Tel. (336) 226-5534 Fax (336) 226-3034 awck.com
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Water Resources
ENVIRONMENTAL QUALITY
r'
Roger Jones, Public Services Manager
City of Lexington
28 West Center Street
Lexington, NC 27292
February 28, 2018
Subject: Permit No. WQ0039834
City of Lexington
I-85/US Hwy 64 Interchange Sewer Improvements
Wastewater Collection System Extension Permit
Davidson County
Dear Mr. Jones:
ROY COOPER
•Governor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Interlin Director
In accordance with your application received February 26, 2018, we are forwarding herewith
Permit No. WQ0039834 dated February 28, 2018, to the City of Lexington (Permittee) for the
construction and operation upon certification of the subject wastewater collection system
extension. This permit shall be effective from the date of issuance until rescinded, and shall be
subject to the conditions and limitations as specified therein. This cover letter shall be considered a
part of this permit and is therefore incorporated therein by reference.
Please pay particular attention to the following conditions contained within this permit:
Condition I1.1: This permit shall not be automatically, transferable; a request must be made and
-approved.
Condition IIk Requires that the wastewater collection facilities be properly operated and
maintained in accordance with 15A NCAC 2T .0403 or any individual system -wide
collection system permit issued to the Permittee.
It shall be responsibility of the Permittee to ensure that the as -constructed project meets the
appropriate design criteria and rules. Failure to comply may result in penalties in accordance with
North Carolina General Statute §143-215.6A through §143-2i5.6C, construction of additional or
replacement wastewater collection facilities, and/or referral of the North Carolina -licensed
Professional Engineer to the licensing board.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within 30 days following receipt of
this permit. This request must be in the form of a written petition, conforming to Chapter 150B of
North Carolina General Statutes, and filed with the Office of Administrative Hearings, 6714 Mail
Service Center, Raleigh, NC 27699-6714. Unless such demands are made, this permit shall be final
and binding.
450 West Hanes Mill Road, suite 300, Winston-Salem, NC 27105
Phone: 336-776-9800\ Internet: www.ncwaterguality.ora
State of North Carolina j Environmental Quality I Water Resources
4
City of Lexington
Permit No. WQ0039834
If you need additional 'information concerning this matter, please contact Jenny Graznak at C336)
776-9695 or via e-mail at ienny.graznak0ncdenr.goy.
Sincerely,
for Linda Culpepper
Interim Director, Division of Water Resources
by Sherri V. Knight, P.E., Regional Supervisor
Water Quality Regional Operations Section
Winston-Salem Regional Office
Division of Water Resources, NCDEQ
cc: Benjamin A. Palmer, P.E. - Davis -Martin -Powell (bpalmer@dmp-inc corn)
Christyn Fertenbaugh - PERCS fchristvn fertenbaughC- ncdenr.g_ov)
Winston-Salem Regional Office Files
Water Resources Central Files
Page 2 of 8
Environmental
Quality
WASTEWATER COLLECTION SYSTEM EXTENSION PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina
as amended, and other applicable Laws, Rules, and Regulations, permission is hereby granted to the
City of Lexington
Davidson County
for the construction and operation of approximately 175 Iinear feet of 8-inch gravity sewer; 40
linear feet of 12-inch gravity sewer; a 200-gallon per minute pump station with duplex pumps, on -
site audible and visual high water alarms, telemetry, and a permanent generator with automatic
transfer switch; as well as approximately 3,150 linear feet of 6-inch force main to serve the I-85./US
Hwy 64 Interchange Sewer Improvements project, and the discharge of "0" galIons per day of
collected wastewater into the City of Lexington's existing sewerage system, pursuant to the
application received February 26, 2018 and in conformity with 15A NCAC 2T; the Division's Gravity
Sewer Minimum Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum
Design Criteria for the Fast -Track Permitting of Pump Stations and Force Mains adopted June 1,
2000 as applicable; and other supporting data subsequently filed and approved by the Department
of Environmental Quality and considered a part of this permit.
This permit shall be effective from the date of issuance until rescinded and shall be subject to the
specified conditions and limitations contained therein.
*Permitted flow is zero because flow will be permitted in subsequent permits that connect to this line.
for Linda Culpepper
Interim Director, Division of Water Resources
By Authority of The Environmental Management Commission
Permit Number: WQ0039834
Permit Issued: February 28, 2018
Page 3 of 8
SUPPLEMENT TO PERMIT COVER SHEET
City of Lexington is hereby authorized to:
Construct, and then operate upon certification the aforementioned wastewater collection extension.
The sewage and wastewater collected by this system shall be treated in the City of Lexington's
Regional Wastewater Treatment Plant in accordance with Permit Number NC0055786
Permitting of this project does not constitute an acceptance of any part of the project that does not
meet 15A NCAC 2T; the Division's Gravity Sewer Minimum Design Criteria adopted February 12,
1996 as applicable; and the Division's Minimum Design Criteria for the Fast -Track Permitting of
Pump Stations and Force Mains adopted June 1, 2000 as applicable, unless specifically mentioned
herein. Division approval is based on acceptance of the certification provided by a North Carolina -
licensed Professional Engineer in -the application. • It shall be the Permittee's responsibility to
ensure that the as -constructed project meets the appropriate design criteria and rules.
Construction and operation is contingent upon compliance with the Standard Conditions and any
Special Conditions identified below.
I. SPECIAL CONDITIONS
1. No flow in excess of the quantity permitted herein, "0" GPD, shall be made tributary to the
subject sewer system until an application for permit modification for an increase in flow has
been submitted to and approved by the Division. [15A NCAC 02T.0304(b)]
2. Each pump station shall be clearly and conspicuously posted using a weatherproof sign with a
pump station identifying name/number, 24-Hour Emergency telephone number, and name of
"the owner/operator of the sewer system/pump station and instructions to call the number in
the event of alarm activation or other emergency. Simplex pump stations or vacuum sewer pits
serving a single-family residence may have a placard or sticker on the control panel in lieu of a
sign. [15A NCAC 02T .0305(h)(2)]
II. STANDARD CONDITIONS
1. This permit shall not be transferable. In the event, there is a desire for the wastewater
collection facilities to change ownership, or there is a name change of the Permiee, a formal
permit request shall be submitted to the Division accompanied by documentation from the
parties involved, and other supporting materials as may be appropriate. The approval of this
request shall be considered on its merits and may or may not be approved. [15A NCAC
02T.0104; G.S 143-215.1(d3)]
2. This permit shall become voidable unless the wastewater collection facilities are constructed in
accordance with the conditions of this permit; 15A NCAC 2T; the Division's Gravity Sewer
Minimum Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum
Design Criteria for the Fast -Track Permitting of Pump Stations and Force Mains adopted June 1,
2000 as applicable; and other supporting materials unless specifically mentioned herein. [15A
NCAC 02T.0110]
3. This permit shall be effective only with respect to the nature and volume of wastes described in
the application and other supporting data. [15A NCAC 02T .011Q]
Page 4 of 8
4. The wastewater collection facilities shall be properly maintained and operated at all times. The
Permittee shall maintain compliance with an individual system -wide collection system permit
for the operation and maintenance of these facilities as required by 15A NCAC 2T .0403. If an
individual permit is not required, the following performance criteria shall be met: [15A NCAC
02T ,0108(b)]:
a. The sewer system shall be effectively maintained and operated at all times to prevent
discharge to land or surface waters, and to prevent any contravention of groundwater
standards or surface water standards.
b. A map of the sewer system shall be developed and shall be actively maintained.
c. An operation and maintenance plan including pump station inspection frequency,
preventative maintenance schedule, spare parts inventory and overflow response has been
developed and implemented.
d. Pump stations that are not connected to a telemetry system shall be inspected every day
(i.e. 365 days per year). Pump stations that are connected to a telemetry system shall be
inspected at least once per week.
e. High -priority sewer lines shall be inspected at least once per every six -months and
inspections are documented.
f. A general observation of the entire sewer system shall be conducted at least once per year.
g. Overflows and bypasses shall be reported to the appropriate Division regional office in
accordance with 15A NCAC 213 .0506(a), and public notice shall be provided as required by
North Carolina General Statute §143-215.1C.
h. A Grease Control Program is in place as follows:
1. For public owned collection systems, the Grease Control Program shall include at least
biannual distribution of educational materials for both commercial and residential users
and the legal means to require grease interceptors at existing establishments. The plan
shall also include legal means for inspections of the grease interceptors, enforcement for
violators and the legal means to control grease entering the system from other public
and private satellite sewer systems.
2. For privately owned collection systems, the Grease Control Program shall include at
least bi-annual distribution of grease education materials to users of the collection
system by the permittee or its representative.
3. Grease education materials shall be distributed more often than required in Parts (1)
and (2) of this Subparagraph if necessary to prevent grease -related sanitary sewer
overflows.
i. Right-of-ways and easements shall be maintained in the full easement width for personnel
and equipment accessibility.
j. Documentation shall be kept for Subparagraphs (a) through (i) of this Rule for a minimum
of three years with exception of the map, which shall be maintained for the life of the
system.
Page 5 of 8
5. The Permittee shall report by telephone to a water resources staff member at the Winston-
Salem Regional Office, telephone number (336) 776-9800, as soon as possible, but in no case
more than 24 hours, following the occurrence or first knowledge of the occurrence of either of
the following:
a. Any process unit failure, due to known or unknown reasons, that renders the facility
incapable of adequate wastewater transport, such as mechanical or electrical failures of
pumps, line blockage or breakage, etc.; or
b. Any SSO and/or spill over 1,000 gallons; or
c. Any SSO and/or spill, regardless of volume, that reaches surface water
Voice mail messages or faxed information is permissible, but this shall not be considered as the
initial verbal report. Overflows and spills occurring outside normal business hours may also be
reported to the Division of Emergency Management at telephone number (800) 858-0368 or
(919) 733-3300. Persons reporting any of the above occurrences shall file a spill report by
completing and submitting Part I of Form CS-SSO (or the most current Division approved form)
within five days following first knowledge of the occurrence. This report must outline the
actions taken or proposed to be taken to ensure that the problem does not recur. Part II of
Form CS-SSO (or the most current Division approved form) can also be completed to show that
the SSO was beyond control. [G.S.143-215.1C(a1)]
6. Construction of the gravity sewers, pump stations, and force mains shall be scheduled so as not
to interrupt service by the existing utilities nor result in an overflow or bypass discharge of
wastewater to the surface waters of the State. [15A NCAC 02T.0108 (b)]
7. Upon completion of construction' and prior to operation of these permitted facilities, the
completed Engineering Certification form attached to this permit shall be submitted with the
required supporting documents to the address provided on the form. A complete certification
is one where the form is fully executed and the supporting documents are provided as
applicable. Any wastewater flow made tributary to the wastewater collection system extension
prior to completion of this Engineer's Certification shall be considered a violation of the permit
and shall subject the Permittee to appropriate enforcement actions.
A complete certification is one where the form is fully executed and the supporting documents
are provided as applicable. Supporting documentation shall include the following:
a. One copy of the project construction record drawings (plan & profile views of sewer lines &
force mains) of the wastewater collection system extension. Final record drawings should
be clear on the plans or on digital media (CD or DVD disk) and are defined as the design
drawings that are marked up or annotated with after construction information and show
required buffers, separation distances, material changes, etc.
b. One copy of the supporting applicable design calculations including .pipe and pump sizing,
velocity, pump cycle times, and level control settings, pump station buoyancy, wet well
storage, surge protection, detention time in the wet well, and force main, ability to flush low
points in force mains with a pump cycle, and downstream sewer capacity analysis. If a
portable power source or pump is dedicated to multiple stations, an evaluation of all the
pump stations' storage capacities and the rotation schedule of the portable power source or
pump, include travel timeframes, shall be provided.
Page 6 of 8
c. Changes to the project that do not result in non-compliance with this permit, regulations, or
the Minimum Design Criteria should be clearly identified on the record drawings, on the
certification in the space provided, or in written summary form.
Prior to Certification (Final or Partial): Permit modifications are required for any changes
resulting in non-compliance with this permit (including pipe length increases of 10% or greater,
increased flow, pump station design capacity design increases of 5% or greater, and increases
in the number/type of connections), regulations, or the Minimum Design Criteria. Requested
modifications or variances to the Minimum Design Criteria will be reviewed on a case -by -case
basis and each on its own merit. Please note that variances to the Minimum Design Criteria
should be requested and approved during the permitting process prior to construction. After -
construction requests are discouraged by the Division and may not be approved, thus requiring
replacement or repair prior to certification & activation. [15A NCAC 02T .0116]
B. Gravity sewers installed greater than ten percent below the minimum required slope per the
Division's Gravity Sewer Minimum Design Criteria shall not be acceptable and shall not be
certified until corrected. If there is an unforeseen obstacle in the field where all viable solutions
have been examined, a slope variance can be requested from the Division with firm supporting
documentation. This shall be done through a permit modification with fee. Such variance
requests will be evaluated on a case -by -case basis. Resolution of such request shall be evident
prior to completing and submitting the construction certification. [ 15A NCAC 02T.0105(n)]
9. A copy of the construction record drawings shall be maintained on file by the Permittee for the
life of the wastewater collection facilities. [15A NCAC 02T .0116]
10. Failure to abide by the conditions and limitations contained in this permit; 15A NCAC 2T; the
Division's Gravity Sewer Design Criteria adopted February 12,1996 as applicable; the Division's
Minimum Design Criteria for the Fast -Track Permitting of Pump Station and Force Mains
adopted June 1, 2000 as applicable; and other supporting materials may subject the Permittee
to an enforcement action by the Division, in accordance with North Carolina General Statutes
§143-215.6A through §143-215.6C, construction of additional or replacement wastewater
collection facilities, and/or referral of the North Carolina -licensed Professional Engineer to the
licensing board. [15A NCAC 02T .0104;15A NCAC 02T .0108(b-c)]
11. In the event that the wastewater collection facilities fail to perform satisfactorily, including the
creation of nuisance conditions, the Permittee shall take immediate corrective action, including
those as may be required by this Division, such as the construction of additional or replacement
facilities. [15A NCAC 02T .0110; 15A NCAC 02T .0108(b)]
12. The issuance of this permit shall not exempt the Permittee from complying with any and all
statutes, rules, regulations, or ordinances that may be imposed by the Division any other
Federal, State, or Local government agencies which have jurisdiction or obtaining other permits
which maybe required by the Division or any other Federal, State, of Local government
agencies. [G.S.143-215.1(b)]
Page 7 of 8
FAST TRACK SEWER ENGINEERING CERTIFICATION
PERMITTEE: City of Lexington
PERMIT #: WQ0039834
PROJECT: I-85/US Hwy 64 Interchange Sewer Improvements
ISSUE DATE: February 28, 2018
This project shall not be considered complete nor allowed to operate in accordance with Condition
7 of this permit until the Division has received this Certification and all required supporting
documentation. It should be submitted in a manner that documents the Division's receipt, Send the
required documentation the Regional Supervisor, Water Quality Regional Operations Section at the
address at the bottom.
Any wastewater flow made tributary to the wastewater collection system extension prior to
completion of this Certification shall be considered a violation of the permit and shall subject the
Permittee to appropriate enforcement actions. The Permittee is responsible for tracking all partial
certifications up until a final certification is received. A Final Certification shall be a complete set of
record drawings and design calculations regardless of whether partials have been submitted.
PERMITTEE'S CERTIFICATION
1, the undersigned agent for the Permittee, hereby state that this project has been constructed
pursuant to the applicable standards & requirements, the Professional Engineer below has
provided applicable design/construction information to the Permittee, and the Permittee is
prepared to operate & maintain the wastewater collection system permitted herein or portions
thereof.
Printed Name, Title Signature Date
ENGINEER'S CERTIFICATION
I, . as a duly re istered Professional Engineer in the State of North Carolina,
having been authorized to observe (5 periodically, 0 weekly[] full time) the construction of the
project name and location as referenced above for the above Permittee hereby state that, to the best
of my abilities, due care and diligence was used- in the observation of the construction such that the
construction was observed to be built within substantial compliance of this permit; 15A NCAC 02T;
the Division of Water Resources' (Division) Gravity Sewer Minimum Design Criteria adopted
February 12, 1996 as applicable; the Division's Minimum Design Criteria for the Fast -Track
Permitting of Pump Stations and Force Mains adopted June 1, 2000 as applicable; and other
supporting materials.
North Carolina Professional Engineer's Seal w/signature & date:
❑ Final ❑ Partial (include description)
Certification Comments/Qualifiers (attach if necessary):
NC DWR - Water Quality Regional Operations -Section 450 West Hanes Mill Road, Suite 300, Winston-Salem, NC 27105
Winston-Salem Regional Office Phone: (336) 776-9800 FAX: (336)-776-9797