WQ0019907_Engineering Certification_20220923

CERTIFICATION CHECKLIST
To be completed by the certifying engineer prior to operation of the permitted sewers, per 15A NCAC 02T.0116.
Certifying Engineer: Jared L DeRidder, PE
Certification Review Date: 6.21.2022
The Townes of Stonecrest Subdivision : Phase 2
WQ00 41767 Project County: Henderson
1) Has permittee information changed since the permit was issued (or last modified): change of mailing address,
change of ownership, transfer from developer to HOA/POA, etc. n Yes ❑x No
• If yes, please provide either a change of ownership form or new contact information. Note that transfer of
permits from the developer to the HOA/POA must occur with the first certification.
2) Have the as -built drawings have been signed, sealed, and dated by an N.C. PE? n Yes ❑ No
3) Final Engineering certification? n Yes C No
• If Partial Engineering certification, provide detailed narrative including what is being certified in the current
phase, what was previously certified (if applicable), and what is left to be certified.
4) Adequate information related to sewer lines: X Yes n No ❑ N/A
• Three feet minimum cover has been provided for all sewers unless ferrous pipe was installed.
• Minimum diameters for gravity sewers are 8-inches for public lines and 6-inches for private lines.
• Manholes have been installed: At the end of each line, at all changes in grade, size, or alignment, at all
intersections, and at distances not greater than 425 feet; minimum diameter shall be 4 feet (48-inches).
5) Adequate information related to pump stations: n Yes ❑ No U N/A
• Ensure power reliability option was selected per 15A NCAC 02T.0305(h).
6) Was project construction completed in accordance with all of the following: n Yes ❑ No ❑ N/A
• 15A NCAC 02T, Minimum Design Criteria (MDC) for the permitting of Gravity Sewers (latest version), and MDC
for the Permitting of Pump Stations and Force Mains (latest version)?
If not, a variance approval is required in accordance with 15A NCAC 02T.0105(b), prior to certification and operation.
• Contact the Central Office to discuss the variance to determine a course of action.
• Applicant must submit two copies of the variance request form, plans, specifications, calculations, and any other
pertinent information to the Central Office (one hard copy, one digital copy).
• The central office will review the variance request, and if approvable, specific language regarding the variance
will be incorporated into the permit, either via a special condition or a supplementary letter. A copy of the
reissued permit with variance language or the variance letter must be maintained with the original documents.
7) Does the project contains high priority lines (15A NCAC 02T .0402(2))? ❑ Yes x❑ No
• If yes, ensure that the permit already contains the necessary condition related to high priority lines 15A NCAC
02T.0403 (a)(5). If the permit does not include this language, the Fast Track reviewer will reissue the permit with
the appropriate language.
8) Are Permit modifications are required for any changes resulting in non-compliance with this permit (including but not
limited to pipe length changes of 10% or greater, change in flow, pump station design capacity design change of 5% or
greater, and/or change in the number/type of connections)? n Yes n No
• If yes, a permit modification request must be submitted to the appropriate Regional Office, and a modified
permit with revised certification must be issued prior to certification and operation.
NC DWR — Water Quality Regional Operations Section 2090 US Hwy 70, Swannanoa, NC 28778
Asheville Regional Office Phone: [phone] FAX: [phone]

FAST TRACK SEWER ENGINEERING CERTIFICATION
PERMITTEE:
PERMIT #:
PROJECT:
ISSUE DATE:
CITY OF HENDERSONVILLE
WQ0041767
THE TOWNES OF STONECREST SUBDIVISION
July 9, 2020
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
I, 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.
Lee Smith, Utilities Director
Printed Name, Title
Leet Sep 22, 2022 11:27 EDT)
Signature
ENGINEER'S CERTIFICATION
Sep 22, 2022
Date
Jared L DeRidder
I, , as a duly registered Professional Engineer in the State of North Carolina,
having been authorized to observe (C periodically, n weekly, ❑ full time) the construction of the The
Townes of Stonecrest Subdivision 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 following
construction:
Approximately 3,640 linear feet of 8-inch gravity sewer to serve 142 2-, 3-, and 4-bedroom single family
residences, with a total of 426 bedrooms, as part of the Townes of Stonecrest Subdivision project,
; 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:
n Final n Partial (include description)
Certification Comments/Qualifiers (attach if necessary):
Installation & certification of 6 manholes, and 862 LF of
8" (PVC) gravity sewer main.
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NC DWR — Water Quality Regional Operations Section
Asheville Regional Office
2090 US Hwy 70, Swannanoa, NC 28778
Phone: [phone] FAX: [phone]