WQ0043625_Application (FTSE)_20220715

DWR
Division of Water Resources
NC Dept of Environmental Quality
State of North Carolina
Department of Environmental Quality
Division of Water Resources
JUL 15 2022 FAST TRACK SEWER SYSTEM EXTENSION APPLICATION
FTA 06-21 & SUPPORTING DOCUMENTATION
Raleigh Regiong Office
Application Number: Ihy 00 (0 (to be completed by DWR)
All items must be completed or the application will be returned
I. APPLICANT INFORMATION:
1. Applicant's name: City of Durham (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: Donald F. Greeley, PE, PLS per 15A NCAC 02T _0106(b)
Title: Department Director
4. Applicant's mailing address: 101 City Hall Plaza
City: Durham State: NC Zip: 27701-
5. Applicant's contact information:
Phone number: [phone] Email Address: [e-mail]
II. PROJECT INFORMATION:
1. Project name: Falls Village Development Pump Station #1
2. Application/Project status: ® Proposed (New Permit) ❑ Existing Permit/Project
If a modification, provide the existing permit number: WQ00 and issued date:
For modifications, also attach a detailed narrative description as described in Item C of the checklist.
If new construction, but part of a master plan, provide the existing permit number: WQ00
3. County where project is located: Durham
4. Approximate Coordinates (Decimal Degrees): Latitude: 35.979' Longitude: -78.773
5. Parcel ID (if applicable): (or Parcel ID to closest downstream sewer)
III. CONSULTANT INFORMATION:
1. Professional Engineer: Christopher N. Huff, PE
Firm: WithersRavenei, Inc.
Mailing address: 115 MacKenan Drive
City: Cary State: NC Zip: 27511-
Phone number: [phone] Email Address: [e-mail]
License Number: 024420
IV. WASTEWATER TREATMENT FACILITY (WWTF) INFORMATION:
1. Facility Name: North Durham Water Reclamation Facility Permit Number: NC0023841
Owner Name: City of Durham
V. RECEIVING DOWNSTREAM SEWER INFORMATION:
1. Permit Number(s): WQ
2. Downstream (Receiving) Sewer Information: 15 inch ZI Gravity L Force Main
3. System Wide Collection System Permit Number(s) (if applicable): WQCS
Owner Name(s): City of Durham
FORM: FTA 06-21
Page 1 of 5

VI. GENERAL REQUIREMENTS
I. If the Applicant is a Privately -Owned Public Utility, has a Certificate of Public Convenience and Necessity been attached?
❑ Yes ❑ No ® NlA
2. If the Applicant is a Developer of lots to be sold, has a De.yeloper'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: HOA1 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) El Retail (stores, centers, malls)
❑ Residential (Leased) ❑ Retail with food preparation/service
❑ School 1 preschool r' day care ❑ Medical ? dental .. veterinary facilities
® Food and drink facilities ❑ Church
❑ Businesses ? offices / factories ❑ Nursing Home
❑ Car Wash
❑ Hotel and/or Motels
® Swimming Pool/Clubhouse
® Swimming Pool/Filter Backwash
❑ Other (Explain in Attachment)
5. Nature of wastewater : 100 °o Domestic _°% Commercial ° o Industrial (See 15A NLAC 02T .0103r 20))
If Industrial, is there a Pretreatment Program in effect? ❑ Yes® No
6. Has a flow reduction been approved under 15A NCAC 02T .0114U)? ❑ Yes ® No
D 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 Lb
No. of Units
Flow
gal
GPD
gal/
GPD
gall
GPD
gal/
GPD
gall
GPD
gall
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., minimum flow per
dwelling; 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. 42A-4).
b Per 15A NCAC 02T .0114(c), design flow rates for establishments not identified [in table) 5A NCAC 02T,01 14] 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)
> 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.
O Flow has already been allocated in Permit Number: Issuance Date:
O Rehabilitation or replacement of existing sewers with no new flow expected
❑ Other (Explain):
FORM: FTA 06-21
Page 2 of 5

IX. SETBACKS & SEPARATIONS — (02B .0200 & 15A NCAC 02T .0305(f)):
I. Does the project comply with all separations/alternatives found in ) 5A NCAC 02T _0305(1} & far ® Yes ❑ No
I5A NCAC 02T.0305(fl contains minimum separations that shall be provided for sewer systems:
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-I waters of Class I or
Class 1I 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.03051 fl or f t€1. see Section X.1 of this application
*15A NCAC 02T.0305(k) 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 Ss,rface Water Classifications webpage
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 ® NIA
➢ 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 2B4O202
5. Does the project require coverage/authorization under a 404 Nationwidelindividual 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 I5A NCAC 02T.0105(c1 6) (additional permits,certifications)? ® Yes ❑ No
Per I5A NCAC 02T.0I05(c1(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.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 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 I5A NCAC 02T.0403(a)(5) or the permittee's individual System -Wide Collection permit.
FORM: FTA 06-21 Page 4 of 5

Dlvlston of Water Resources
State of North Carolina
Department of Environmental Quality
Division of Water Resources
Flow Tracking for Sewer Extension Applications
(FTSE 10-18)
Entity Requesting Allocation: City of Durham
Project Name for which flow is being requested: Falls Village Pump Station # 1
More than one FTSE may be required for a single project if the owner of the WWTP is not responsible for all pump
stations along the route of the proposed wastewater flow.
I. Complete this section only if you are the owner of the wastewater treatment plant.
a. WWTP Facility Name: North Durham Water Reclamation Facility
b. WWTP Facility Permit #: NC 0023841
All flows are in MGD
c. WWTP facility's permitted flow 20
d. Estimated obligated flow not yet tributary to the WWTP 1.98
e. WWTP facility's actual avg. flow 11.0
f. Total flow for this specific request 0
g. Total actual and obligated flows to the facility 12.98
h. Percent of permitted flow used 64.9%
II. Complete this section for each pump station you are responsible for along the route of this proposed
wastewater flow.
List pump stations located between the project connection point and the WWTP:
(A) (B) (C) (D)=(B+C) (E)=-(A-D)
Design
Average Approx. Obligated,
Pump Pump Daily Current Not Yet Total Current
Station Station Firm Flow** Avg. Daily Tributary Flow Plus
(Name or Permit Capacity, * (Firm / pf), Flow, Daily Flow, Obligated Available
Number) No. MGD MGD MGD MGD Flow Capacity***
SERLS WQ0040459 10 4 0.72 0.59 1.31 2.69
* The Firm Capacity (design flow) of any pump station is defined as the maximum pumped flow
that can be achieved with the largest pump taken out of service.
** Design Average Daily Flow is the firm capacity of the pump station divided by a peaking factor
(pf) not less than 2.5, per Section 2.02(A)(4)(c) of the Minimum Design Criteria.
*** A Planning Assessment Addendum shall be attached for each pump station located
between the project connection point and the WWTP where the Available Capacity is < 0.
Downstream Facility Name (Sewer): North Durham WRF
Downstream Permit Number: NC0023841
Page 1 of 6
FTSE 10-18

III. Certification Statement:
I 110y,94a :4" drE7e^r certify to the best of my knowledge that the addition of
the volume of wastewater to be permitted in this project has been evaluated along the route to the receiving
wastewater treatment facility and that the flow from this project is not anticipated to cause any capacity
related sanitary sewer overflows or overburden any downstream pump station en route to the receiving
treatment plant under normal circumstances, given the implementation of the planned improvements
identified in the planning assessment where applicable. This analysis has been performed in accordance
with local established policies and procedures using the best available data. This certification applies to
those items Iisted above in Sections I and [I plus all attached planning assessment addendums for which I
am the responsible party. Signature of this form certifies that the receiving collection system or treatment
works has adequate capacity to transport and treat the proposed new wastewater.
Signing Official Sig‘ Date
2EG /�9.6,-. or-mra-PvT`
Title of Signing Official
Page 2 of 6
FTSE 10-18

FALLS VILLAGE DEVELOPMENT
98
FALLS VILLAGE
PUMP STATION #1
-- KEMP ROAD GRAVITY SEWER
SERLS
PUMP STATION
n
FALLS VILLAGE DEVELOPMENT
USGS SITE MAP - PUMP
STATION #1
■■ WithersRavenel
'. Engineers E planners I Surveyors
115 MacKenan Drive I Cary. NC 27511
t 919.469.33401 license a: F-1479I www.withersravend.com

.Falls Village PS#1
?Falls Village -Pump Station #1
Redwood Volunteer Fire Department Co- 730
Google Earth
Illt-LC Contract
,
Legend
* Falls Village Golf Club
D Falls Village Pump Station #1
) Redwood Volunteer Fire Department Co. 73C
1000 ft

■O WithersRavenel
IIOur People. Your Success.
July 15, 2022
North Carolina Department of Environmental Quality
Division of Water Resources - Raleigh Regional Office
3800 Barrett Drive
Raleigh, North Carolina 27609
NC Dept of Environmental Quality
JUL 15 2022
Raleigh Regional Office
RE: Falls Village Development Pump Station #1 and #2 - Fast -Track Application for Pump Stations
W&R Project No. 02170071.00
Dear Raleigh Regional Staff:
On behalf of Alliance Group North Carolina, please find attached documentation in support of a Fast -Track
Application (FTA 04-16) for the above referenced project pump station #1 and #2. As noted in the
application, pump station#1 will consist of approximately 1,470 LF of 6-inch force main and a 325-gpm pump
station. The proposed force main will tie into a proposed 15-inch gravity sewer at the intersection of NC98
and Kemp Road which flow southward along Kemp Road to the new City of Durham SERLS pumping station.
Pump station#2 will consist of approximately 1,255 LF of 6-inch force main and a 200-gpm pump station.
The proposed force main will tie into a to the proposed 8" collection system for pump station #1. The
proposed pump stations meet the requirements NCDENR-DWR Minimum Design Criteria for the Permitting
of Pump Stations and Force Mains, and the wastewater generated by the project will be treated at the North
Durham Water Reclamation Facility (Permit No. NC0023841).
Included with this submittal are one original and one copy of the items listed below:
• Application Fee - Check in the Amount of $480.00 for each pump station
• Application Form (FTA 05-21)
• Downstream Sewer, WWTF Capacity and Flow Tracking/Acceptance Form (FTSE 10-18)
• Site Map (USGS Quad - Southeast Durham)
• Google Street View Map of site
Please advise if you require additional information or have any questions concerning our submittal.
Sincerely
Wit
estop
Ravenel
u ,PE
Cc: Alliance Group North Carolina
115 MacKenan Drive 1 Cary, NC 27511
t: 919.469.3340 1 f: 919,467,6008 1 www.withersravenel.com 1 License No. F-1479
Asheville 1 Cary 1 Charlotte 1 Greensboro j Lumberton 1 Pittsboro 1 Raleigh 1 Southern Pines 1 Wilmington

FLOW CALCULATIONS
Falls Village - Pump Station #1
325 gpm Pump Station and 6-inch DI Force Main Design
Discharge Facility
Design Units
Flow per
Unit (gpd)
Number of
Units
Total Flow
(gpd)
Phase 1 Dwellings (Assume 3 bedrooms)
per dwelling
360
121
43,560.00
Golf Course Maintenance Building
gallons/day/building
175.00
2
350.00
Golf Club/Restaurant
gallons/day
2,100.00
1
2,100.00
Amenity Center
gallons/day
11,000.00
1
11,000.00
Average flow (gpd)
57,010.00
Average flow (gpm)
40
Approximate population served
284
Computed peaking factor
4.09
Minimum allowed peaking factor
2.50
Design peaking factor
4.09
Peak flow PS #1 (gpd}
233,073.73
Peak Flow from P5 #2 (gpd)
186,511.23
Total Flow (gpd)
419,584.97
Peak Flow for PS #1 (gpm)
291.38
Falls Village - Pump Station #2
200 gpm Pump Station and 6-inch DI Force Main Design
Discharge Facility
Design Units
Flow per
Unit (gpd)
Number of
Units
Total Flow
(gpd)
Phase 2 Dwellings (Assume 3 bedrooms)
per dwelling
360
127
45,720.00
Average flow (gpd)
45,720.00
Average flow (gpm)
32
Approximate population served
298
Computed peaking factor
4.08
Minimum allowed peaking factor
2.50
Design peaking factor
4.08
Peak Flow from P5 #2 (gpd)
186,511.23
Peak Flow for PS #2 (gpm)
129.52
Notes:
US Census Quick Facts as for July 2018 - City of Durham, persons per household, 2013-2017
2.35