HomeMy WebLinkAboutWQ0041114_Application (FTSE)_20191003Permit Number WQ0041114
Program Category
Non -discharge
Permit Type
Gravity Sewer Extension, Pump Stations, 8 Pressure Sewer Extensions
Primary Reviewer
dean.hunkele
Coastal SWRule
Permitted Flow
Facility
Facility Name
Mollies Branch Outfall Sewer Rehabilitation
Location Address
Owner
Central Files: APS — SWP
8/20/2019
Permit Tracking Slip
Status
Project Type
In review
New Project
Version
Permit Classification
A
Individual
Permit Contact Affiliation
Major/AAinor Region
Minor Wilmington
County
Columbus
Facility Contact Affiliation
Owner Name Owner Type
City of Whiteville Government - Municipal
Owner Affiliation
Darren L. Currie
PO Box 607
Dates/Events Whiteville NC 28472060
Scheduled
Orig Issue App Received Draft Initiated Issuance Public Notice Issue Effective Expiration
8120/2019
Regulated Activities Requested /Received Events
Additional information requested
Additional information received
ENGINEERING
SERVICES, PA
1202 Benson Road
Suite 200
P.O. Box 1849
Garner, NC 27529
■
Telephone:
919.662.7272
Fax:
919.662.7320
July 31, 2019
NCDEQ/D WRr }b.
Water Quality
512 North Permitting
h Salisbury Street, itCS nit
t, Sue 9256,VL 3 2019 ,1Q
Raleigh, North Carolina 27604 "V
Re: Whiteville - Phase 1 Mollies Branch Sewer Improve iVennt
NCDEQ-DWI Project #E-SRP-W-17-0123
ES Project # 18006
Please find the enclosed sewer system extension application package for the
above referenced project for your review. The City of Whiteville is proposing
to make improvements to their sanitary sewer system by replacing a section of
one of their sewer outfall lines. This portion of their existing sewer system is
old, has exceeded is useful life -expectancy, and is deficient, which increases
the likelihood of sewer back-ups, overflows, and spills during heavy rain
events and exfiltration of sewage during dry periods.
Enclosed for your review are the following:
• One (1) original and one (1) copy of this cover letter.
• A check for $480.00 for the application review fee.
• One (1) original and one (1) copy of the Sewer System Extension Form
(SSEA 04-16) with Attachment "A" for High Priority Sewers.
• One (1) original and one (1) copy of the Flow Tracking/Acceptance
Form (FTSE 04-16).
• Two sets of plan drawings.
• One (1) original and one (1) copy of a site map using an 8.5" x 11"
color copy of a USGS Topographic Map to show the project location.
There are street level maps showing the project area on the Title Page
and the Index Page of the plan drawings.
• One (1) original and one (1) copy of the Technical Specifications.
This project is funded through a loan from NCDEQ's State Reserve Program.
The City is proposing to replace these existing sewer mains, manholes, and
services with like -size pipe and manholes, in the same basic horizontal
location; although in a few areas the sewer main is being moved a short
distance horizontally to get the main out from under buildings or away from
drainage ditches. The project will not include any additional connections or
flow and is primarily for the purpose of maintenance. The existing sewer
mains are 8", 12" and 15" VCP and will be replaced with 8", 12", and 16"
PVC and DIP, and 14" HDPE (Pipe Bursting, 12" I.D.) mains.
RECEIVE-
AUG 2 0 2019
RECEIVED/NCDEQ11DWk
"A COMMITMENT
TO EXCELLENCE"
AUG 12 2019
Water Quality
Permitting Secfflon
Thank you for your help with this project. If you have any questions or need
additional information, please contact me at Engineering Services, P.A. at (919) 662-
7272.
Sincerely,
�f
Todd S. Steele, P.E.
Engineering Services, P.A.
Enclosure
cc: Darren Currie, City of Whiteville, w/o Enclosure
State of North Carolina
DWR Department of Environmental Quality
Division of Water Resources
15A NCAC 02T .0300 — SEWER SYSTEM EXTENSION APPLICATION
Division of Water Resources SSEA 04-16 & SUPPORTING DOCUMENTATION
Application Number: W&G6L( (to be completed by DWR)
L APPLICANT INFORMATION:
1. Applicant's name: City of Whiteville
2. Applicant type: ❑ Individual ❑ Corporation ❑ General Partnership ❑ Privately -Owned Public Utility
❑ Federal ❑ State ® Municipal ❑ County
3. Signature authority's name: Darren Currie per 15A NCAC 02T .0106(b)
Title: City Manager
4. Applicant's mailing address: P.O. Box 607 Eel EI E-
City: Whiteville State: NC Zip: 28472-607 r Y/ G
5. Applicant's contact information: 8 AUG 2 O 2019
Phone number: (910) 642-8046 Email Address: dcurrieaci.whiteville.nc.us gy,i
11. PROJECT INFORMATION:
I. Project name: Phase 1 - Mollies Branch Sewer Improvements
2. Application/Project status: ® Proposed (New Permit) ❑ Existing Permit/Project
3. If a modification, provide the existing permit number: W000 and issued date:
4. If new construction but part of a master plan, provide the existing permit number: W000
5. County where project is located: Columbus
6. Approximate Coordinates (Decimal Degrees): Latitude: 34.33139c Longitude:-78.71306o
111. CONSULTANT INFORMATION:
1. Professional Engineer: Todd S. Steele License Number: NC 024406
Firm: En ing eering Services, P.A.
Mailing address: P.O. Box 1849
City: Garner State: NC Zip: 27529-
Phone number: (219) 662-7272 Email Address: tssteeleAa bellsouth.net
IV. WASTEWATER TREATMENT FACILITY (WWTF) INFORMATION:
1. Facility Name: Whiteville W WRF Permit Number: NC 0021920
Owner Name: City of Whiteville
V. RECEIVING DOWNSTREAM SEWER INFORMATION:
1. Permit Number(s): WO CS00072
System Wide Collection System Permit Number(s): WQ CS00072
Owner Name(s): City of Whiteville
FORM: SSEA 04-16 Page 1 of 6
VI. GENERAL REQUIREMENTS
I. If the Applicant is a Privately -Owned Public Utility, has a Certificate of Public Convenience and Necessity been submitted?
❑ 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 submitted?
❑ Yes ❑No ®N/A
3. If the Applicant is a Home/Property Owners' Association, has an Operational Agreement (FORM: HOA) been submitted?
❑ Yes ❑No ®N/A
4. Origin of wastewater: (check all that apply):
® Residential Owned ❑ Retail (stores, centers, malls) ❑ Car Wash
® Residential Leased ❑ Retail with food preparationiservice ❑ 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. Is/was an Environmental Assessment required under 15A NCAC OIC? ❑ Yes ® No
If yes, submit the appropriate final environmental document (FONSI, ROD, etc.)
6. Nature of wastewater: 100 % Domestic/Commercial _ % Other waste — specify: _
% Industrial (See 15A NCAC 02T .0103(20)
7. Wastewater generated by project: GPD (per ISA NCAC 02T .0114)
Has a flow reduction been approved under 15A NCAC 02T .0114(f) ❑ Yes ❑ No
If yes, provide a copy of flow reduction approval letter
8. Summarize wastewater generated by project:
Establishment Type
Daily Design Flow '•b
No. of Units
Flow
gal/
GPD
gal/
GPD
gal/
GPD
gal/
GPD
gal/
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., 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 ofthe Atlantic Intracoastal Waterway to be used as vacation rentals as defined
in G.S. 42A-41.
b Per 15A NCAC 02T .01 14(c), design flow rates for establishments not identified below shall be determined using available
flow data, water using fixtures, occupancy or operation patterns, and other measured data.
FORM: SSEA 04-16 Page 2 of 6
VII. GRAVITY SEWER DESIGN CRITERIA - 15A NCAC 02T .0305:
I. Summarize Gravity Sewer to be permitted:
Size (inches)
Length (feet)
Material
8
88
DI
12
457
PVC
12
1,200
DI
14
980
HOPE
16
1,768
PVC
16
1,460
DI
VIIL PUMP STATION DESIGN CRITERIA — 02T.0305 & MD_C (Pump Stations/Force Mains):
COMPLETE FOR EACH PUMP STATION INCLUDED IN THIS PROJECT
1. Pump station number or name: N/A
2. Approximate Coordinates (Decimal Degrees): Latitude: Longitude: - °
3. What is the nearest 100-year flood elevation to the facility? feet mean sea level. Source:
Is any of the proposed project located within the 100-year flood plain? ❑ Yes ❑ No
4. If Yes, are the following items provided per 15A NCAC 02T .0305(e):
Water -tight seals on all station hatches and manholes; and
Control panels vents extend two feet above the l00-year flood plain elevation?
❑ Yes [—]No ❑ N/A
If No, what measures are being taken to protect them against flooding?
5. Finish grade elevation of the pump station:
6. Design flow of the pump station: millions gallons per day (firm capacity)
7. Operational point(s) of the pump(s): gallons per minute at feet total dynamic head (TDH)
8. Number of pumps provided:
9. Number of pump cycles at average daily flow: cycles per hour
10. Power reliability in accordance with I5A NCAC 02T .0305(h)(1):
❑ Standby power source or pump with 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
Or if the pump station has an average daily flow less than 15,000 gallons per day:
❑ Portable power source with manual activation, quick -connection receptacle and telemetry - 15A NCAC 02T
.0305(h)(1)(C)
or
❑ Portable pumping unit with plugged emergency pump connection and telemetry - 15A NCAC 02T .0305(h)(1)(C):
➢ It shall be demonstrated to the Division that the portable source is owned or contracted by the applicant (draft agreement)
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
in the case of a multiple station power outage.
FORM: SSEA 04-16 Page 3 of 6
VHL PUMP STATION DESIGN CRITERIA (continued)
11. Summarize the pump station design elements:
Design Element
Plan Sheet
Reference
Specification
Reference
Power Reliability Source and Associated Elements
Screened Wet Well Vent
Check Valves, Gate Valves, etc.
Control Panel
Restricted Access Elements (Fence, Wet Well Lock, etc)
Audible and Visual Alarms
Telemetry/SCADA
Level Controls
Weatherproof Sign with Required Information
Air Relief Valves
12. Summarize the force main to be permitted:
Size (inches)
Length (feet)
Material
High
Elevation (feet)
Discharge
Elevation (feet)
Pump -Off
Elevation (feet)
13. Air release valve station locations per 15A NCAC 02T .0305(i):
Air Release Valve # Station Plan Sheet Reference
FORM: SSEA 04-16 Page 4 of 6
IX. SETBACKS & SEPARATIONS — (02B .0200 & 15A NCAC 02T.0305(f)):
1. Does the project comply with all separations found in 15A NCAC 02T .0305(f) & (p)
➢ 15A NCAC 02T.0305(f) contains minimum separations that shall be provided for sewers stems:
M Yes [-]No
Setback Parameter*
Separation Required
Storm sewers and other utilities not listed below (vertical)
24 inches
Water mains (vertical -water over sewer 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 1 or
Class II impounded reservoirs used as a source of drinking water
100 feet
"Waters classified WS (except WS-1 or WS-V), B, SA, ORW, HOW, or SB from normal
high water (or tide elevation) and wetlands (see item IX.2)
50 feet
**Any other stream, lake, impoundment, or ground water lowering and surface drainage
ditches
10 feet
Any building foundation
5 feet
Any basement
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
➢ 15A NCAC 02T.0305(g) contains alternatives where separations in 02T.0305(f) cannot be achieved.
➢ **Stream classifications can be identified using the Division's NC Surface Water Classifications weboage
➢ If noncompliance with 02T.0305(f) or (g). see Section X of this application
2. Does the project comply with separation requirements for wetlands? (50 feet of separation) ❑ Yes ❑ No M N/A
➢ See the Division's draft separation requirements for situations where separation cannot be meet
➢ No variance is required if the alternative design criteria specified is utilized in design and construction
➢ As built documents should reference the location of areas effected
3. Does the project comply with setbacks found in the river basin rules per 15A NCAC 02B .0200? ❑ Yes ❑ No M N/A
➢ This would include Trout Buffered Streams per 15A NCAC 213.0202
4. Does the project require coverage/authorization under a 404 Nationwide or ❑ Yes M No
individual permits or 401 Water Quality Certifications?
➢ Information can be obtained from the 401 & Buffer Permitting Branch
5. Does project comply with 15A NCAC 02T.0105(c)(6) (additional permits/certifications)? M Yes ❑ No
Per 15A NCAC 02T.0105(c)(6), directly related environmental permits or certification applications are 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.).
6. Does this project include any sewer collection lines that are deemed "high -priority?"
Per 15A NCAC 02T.04021 "high -priority sewer" means "any aerial sewer, sewer contacting surface waters, siphon, or sewer
positioned parallel to streambanks that is subject to erosion that undermines or deteriorates the sewer.
M Yes ❑ No
➢ 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 permitee's individual System -Wide Collection permit.
FORM: SSEA 04-16 Page 5 of 6
IX. CERTIFICATIONS:
I. 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, complete and submit the Variance/Alternative Design Request application (VADC 10-14) and supporting documents for
review. Approval of the request is required prior to submittal of the Fast Track Application and supporting documents.
2. Professional Engineer's Certification:
that this application for
(Professional Engineer's name from Application Item Ill.1.)
name from Application Item II.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 this application package and its instructions, as
well as all applicable regulations and statutes. 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. ��,(�„i L—�
North Carolina Professional Engineer's seal, signature, and date:
3. Applicant's Certification per 15A NCAC 02T .0106(b):
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that this application for
(Signature Authority's"name & title Kom Application Item 1.3.)
name from Application Item II.1.)
has been reviewed by me and is accurate and complete to the best of my knowledge. 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 fi o o excee 000 as well as civil penalties up to $25,000 per violation.
Signatur Date:
FORM: SSEA 04-16 Page 6 of 6
ATTACHMENT "A"
Whiteville — Mollie's Branch Sewer Improvements
High Priority Sewer — Aerial Ditch Crossings
Type Pipe Size & Material
1.) Aerial 12" CL350 DIP
2.) Aerial 12" CL350 DIP
3.) Aerial 16" CL350 DIP
4.) Aerial 16" CL350 DIP
5.) Aerial 16" jjCL350 DIP
U S-W flee 1h� O. V\Ce bay -
Location (Plan Sheet #, STA #)
Sheet C-1, STA 7+90
Sheet C-1, STA 9+80
Sheet C-2, STA 36+60
Sheet C-2, STA 40+60
Sheet C-2, STA 49+20
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1-4
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Mollie's Branch Sewer Improvements Project Map