WQ0031708_Regional Office Historical File Pre 2018 (2)

A
North Carotin
September 14, 2007
Mr. Barry Shearin, P.E., Chief Engineering
Charlotte -Mecklenburg Utilities
5100 Brookshire Boulevard
Charlotte, NC 28216
ve
Coleen H.
Division
9
NC DENR MRO
Gurface Water Proecflc
Subject: Permit No. WQ0031708
McAlpine Creek Relief Sewer
CMU
Mecklenburg County
Dear Mr. Rowell:
In accordance with your application received May 7, 2007, and additional information received
on August 16, 2007, we are forwarding herewith Permit No. WQ0031708 dated September 14, 2007, to
the Charlotte -Mecklenburg Utilities (CMU) for the continued construction and operation of the subject
wastewater collection 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 This permit shall be effective from the date of issuance until rescinded,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.
Please pay particular attention to Permit Condition 3, which requires that the wastewater
collection facilities be properly operated and maintained in accordance with 15A NCAC 2T .0400 or
any individual system -wide collection system permit issued to the Permittee.
Permitting of this project does not constitute an acceptance of any part of the project that does
not meet 15A NCAC 21 .0300; the Division of Water Quality's (Division) 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.
Failure to comply may result in penalties in accordance with North Carolina General Statute § 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.
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 150E 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.
iNorthCa ohna
Naturally
Pretreatment, Emergency Response and Collection Systems Unit
1617 Mail Service Center, Raleigh, NC 27699-1617
Telephone [phone] Fax [phone]
Internet http:/Jh2o,enr.nc state,uslndpu
An Equal opportunity Action Employer
50% recycle& 10°A post -consumer paper

Mr, Shearin
September 14, 2007
Page 2
All sewer related matters are handled through the Pretreatment, Emergency Response and
Collection Systems Unit under the Point Source Branch EXCEPT FOR FAST -TRACK SEWER PERMITTING
WHICH CONTINUES TO BE ADMINISTERED THROUGH OUR REGIONAL OFFICES. The Unit is located on the
131h floor of the Archdale building in downtown Raleigh. Please ensure the letterhead information is
used for all correspondence to ensure timely delivery.
One set of approved plans and specifications is being forwarded to you. If you need additional
information concerning this matter, please contact Adrian Eaton at [phone] extension 580.
Sincerely
Coleen H. Sullins
cc: Mecklenburg County Health Department
Mooresville Regional Office, Water Quality Section (Permit WQ0031 708)
William S. Riddick, Jr., P.E., McKim and Creed, P.A., 8020 Tower Point Drive, Charlotte, NC 28227
Water Quality Central Files
PERCS Files

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
WASTEWATER COLLECTION PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina cis
amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
CHARLOTTE-MECKLENBURG UTILITIES
MECKLENBURG COUNTY
FOR THE
construction and continued operation of approximately 350 linear feet of 24-inch gravity sewer
pipe, 150 linear feet of 36-inch gravity sewer pipe, 5300 linear feet of 72-inch gravity sewer pipe,
9500 linear feet of 78-inch gravity sewer pipe to parallel and give relief to an existing sewer from
downstream of 1-485 to NC51 and the discharge of collected wastewater (no new flow created
by this project) into the McAlpine Creek WWTF (NC0024976) existing sewerage system pursuant to
the application received on May 7, 2007, and subsequent additional information received on
August 16, 2007 by the Division, and in conformity with the project plans, specifications, and other
supporting data subsequently filed and approved by the Department of Environment and Natural
Resources and considered a part of this permit modification.
This permit shall be effective from the date of issuance until rescinded, and shall be subject to the
following: specified conditions and limitations:
1. This permit shall become revocable unless the wastewater collection facilities are constructed in
accordance with the conditions of this permit; 15A NCAC 2T .0300; the Division of Water Quality's
(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 unless specifically mentioned
herein.
2. This permit is effective only with respect to the nature and volume of wastes described in the
application and other supporting data.
1

3. 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 .0400. If an individual
permit is not required, the following performance criteria shall be met as provided in 15A NCAC 2T
.0400:
a. The sewer system shall be effectively maintained and operated at all times to prevent
discharge to land or surface waters, and any contravention of the groundwater standards in
15A NCAC 2L .0200 or the surface water standards in 15A NCAC 28 .0200.
b. A map of the sewer system shall be developed and shall be actively maintained.
c. An operation and maintenance plan shall be 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. This requirement does not apply to pump stations serving a
single building associated with a properly permitted pressure sewer system.
e. High -priority sewer lines shall be inspected at least once per every six-month period of time.
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 2B .0506(a), and public notice shall be provided as required by
North Carolina General Statute § 143-215.1 C.
h. A Grease Control Program shall be in place as follows.
(1) For publicly 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 for new construction and retrofit, if
necessary, of grease interceptors at existing establishments. The plan shall also include
the legal means for inspection 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
biannual distribution of educational materials to users of the collection system by the
permittee or its representative.
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.
Rights -of -ways and easements shall be maintained in the full easement width for personnel
and equipment accessibility.
)
4. Documentation shall be kept for Subparagraphs 3(a) through 3(i) of this section for a minimum of
three years with the exception of the map, which shall be maintained for the life of the system.
5. The sewage and wastewater collected by this system shall be treated in the McAlpine Creek
Wastewater Facilities WWTF (Permit No. NC0024976).
6. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or
there is a name change of the Permittee, a formal permit request must be submitted to the Division
of Water Quality (Division) accompanied by documentation from the parties involved and other
supporting materials as may be appropriate. The approval of this request will be considered on its
merits and may or may not be approved.
7. Construction of the gravity sewers, pump station(s) and force main 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.
2

8. Per 15A NCAC 2T .0116, 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.
9. A copy of the approved plans and specifications shall be maintained on file by the Permittee for the
life of the wastewater collection facilities.
10. Failure to abide by the conditions and limitations contained in this permit; 15A NCAC 2T .0300; 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.
11. The issuance of this permit does not exempt the Permittee from complying with any and all statutes,
rules, regulations, or ordinances that may be imposed by other government agencies (Le., local,
state, and federal) having jurisdiction, including but not limited to applicable river buffer rules in 15A
NCAC 2B .0200, soil erosion and sedimentation control requirements in 15A NCAC Chapter 4 and
under the Division's General Permit NCG010000, and any requirements pertaining to wetlands under
15A NCAC 2B .0200 and 15A NCAC 2H .0500.
12. The Permittee shall provide the following items for the sewer system.
a. Pump on/off elevations located so that 2-8 pumping cycles may be achieved per hour in any
centralized pump station serving more than one building.
b. At least 24 hours of storage capacity above the pump -on activation level for any simplex pump
station serving a single-family residence.
c. An air relief valve located at all high points along the force main.
d. A screened vent for the wet well.
e. Fillets located in the wet well(s) at the intersection of the flooring and sidewalls.
f. Three feet of cover (minimum) over the force main or the use of ferrous material where three
feet cannot be maintained.
g. Sufficient devices which will protect the pump station from vandals.
h. Flood protection if the pump station is located below the 100-year flood elevation.
i. Adherence with the following minimum separations:
(i) Storm sewers (vertical) 12 inches
(ii) Water mains (vertical -water over sewer) 18 inches or (horizontal) 10 feet
(iii) In benched trenches (vertical) 18 inches
(iv) Any private or public water supply source, including any WS-I waters or Class 1 or Class 11
impounded reservoirs used as a source of drinking water 100 feet
(v) Waters classified WS (other than WS-I), B, SA, ORW, HQW, or SB [from normal high water
(or tide elevation)] 50 feet
(vi) Any other stream, lake or impoundment 10 feet
(vii) Any building foundation 5 feet
{via) Any basement 10 feet
(ix) Top slope of embankment or cuts of 2 feet or more vertical height 10 feet
(x) Drainage systems
(I) Interceptor drains 5 feet
(11) Ground water lowering and surface drainage ditches 10 feet
(xi) Any swimming pool 10 feet
(xii) Sewer pipe with joints equivalent to water main standards shall be used where these
minimum separations cannot be maintained. The minimum separation shall however
not be Tess than 25 feet from a private well or 50 feet from a public water supply well.
3

13. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance
conditions, the Permittee shall take immediate corrective action, including those that may be
required by this Division, such as the construction of additional or replacement wastewater
collection facilities.
14. Noncompliance Notffica on:
The Permittee shall verbally report to a water quality staff member of the Mooresville Regional
Office, telephone number 704-663-1699, as soon as possible, but in no case more than 24 hours or
on the next working day 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 render the facility incapable of
adequate wastewater transport such as mechanical or electrical failures of pumps, line
blockage or breakage, etc.
b. Any failure of a pumping station or sewer line resulting in a by-pass directly to receiving waters
without treatment of all or any portion of the influent to such station or facility.
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 [phone] or [phone].
Persons reporting any of the above occurrences shall file a spill report by completing Part I of Form
CS-SSO (or the most current Division approved form), within five days following first knowledge of the
occurrence. This report shall outline the actions taken or proposed to ensure that the problem does
not recur. Per Condition 1(2), 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.
Permit issued this the 14th Day of September 2007
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Coleen H. Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0031708
4

Permit No. WQ0031708
September 14, 2007
System Description:
construction and continued operation of approximately 350 linear feet of 24-inch gravity sewer pipe,
150 linear feet of 36-inch gravity sewer pipe, 5300 linear feet of 72-inch gravity sewer pipe, 9500 linear
feet of 78-inch gravity sewer pipe to parallel and give relief to an existing sewer located downstream of
1-485 to NC51 and the discharge of collected wastewater (no new flow created by this project) into the
McAlpine Creek WWTF (NC0024976) existing sewerage system.
Complete and submit this form to the permit issuing office as indicated below with the following:
• One copy of the project record drawings (plan & profile views of sewer lines) of the wastewater
collection system extension
• Changes to the project should be clearly identified on the record drawings or in written summary
form. Permit modifications are required for any chanaes resulting in non-compliance with this permit,
regulations or minimum design criteria.
This project shall not be considered complete nor allowed to operate until this Engineer's Certification
and all required supporting documentation have been received by the Division. Therefore, it is highly
recommended that this certification be sent in a manner that provides proof of receipt by the Division.
ENGINEER'S CERTIFICATION
D Partial ❑ Final
I, , as a duly registered Professional Engineer in the State of North Carolina, having been
authorized to observe (❑ periodically, ❑ weekly, ❑ full time) the construction of the subject project for the
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 2T .0300; the Division of Water Quality's (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, signature, and date:
SEND THIS FORM & SUPPORTING DOCUMENTATION
WITH REQUIRED ATTACHMENTS
TO THE FOLLOWING ADDRESS
DIVISION OF WATER QUALITY
PRETREATMENT, EMERGENCY RESPONSE & COLLECTION SYSTEMS UNIT
1617 MAIL SERVICE CENTER
RALEIGH NC 27699-1617
The Permittee is responsible for tracking all partial certifications up until a final certification is received.
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.
5

Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Coleen H. Sullins, Director
Division of Water Quality
July 19, 2007
Mr. Barry D. Shearin
Charlotte Mecklenburg Utilities
5100 Brookshire Blvd
Charlotte, North Carolina 28216
Subject: Application No. WQ0031708
Additional Information Request
McAlpine Creek Relief Sewer
Phase 1
CMU Project No. 351-98-812
Mecklenburg County
Dear Mr, Shearin,
The Pretreatment, Emergency Response and Collection System Unit has conducted a preliminary review of the
subject permit application package, received by the Division on May 7, 2007. Additional information is required.
before we can continue our review. Please address the attached items no later than August 19, 2007.
Please note that comments from the Regional Office are pending at this time, and additional requests may be
necessary to address these comments. Please be aware that you are responsible for meeting all requirements set
forth in North Carolina rules and regulations. Any oversights that occurred in the review of the subject
application package are still the responsibility of the applicant. In addition, any omissions made in responding to
the above items may result in future requests for additional information.
Please reference the subject application number when providing the requested information. Two copies of all
revised and/or additional documentation should be signed, sealed, dated, and submitted to my attention at the
address below. Please note that failure to provide this additional information on or before the above requested
date may result in your application being returned as incomplete.
If you have any questions regarding this request, please do not hesitate to contact me at [phone],
extension 580. You may also check the future status of this project online at
http://www,ncwaterquality„org/bims/ and following the report links. Thank you for your coopera
Sincerely,
Adrian Eaton
Environmental Engineer
cc: MsDee Browder, Mooresville Regional Office
William S..Riddick, Jr., PE, McKim & Creed, P.A., 8020 Town point. Drive, Ch
Permit Application File WQ0031708
N,�� Carolina
,/ Vatura/li
Pretreatment, Emergency Respone & Collection Systems Unit
Location: 512 N. Salisbury St. Raleigh, NC 27604
Internet: wwvv.ncwaterquality,org
1617 Mail Service Center Raleigh, NC 27699-1617
Phone [phone]S3 Customer Service
Fax [phone]
An Equal Oppgrtunity/AUirmalive Action Employer — 50% Recycled/10% Post rasu t Pa

Mr. Barry Shearin
July 19, 2007
Charlotte Mecklenburg Utilities
McAlpine Creek Relief Sewer
Permit Application File WQ0031708
General
1. Based on the A/E's certification in the Permit Application that all 15A NCAC 2T .0300
requirements regarding gravity sewers and force mains, and the Division of Water Quality's
Gravity Sewer Minimum Design Criteria adopted February 12, 1996 have been met, a review of
these items has not been performed. It shall be the perrnittee's responsibility to ensure the plans
and specifications meet the appropriate design criteria and rules. Final approval of these
documents will not imply approval of any variance from these criteria unless specifically
requested and granted. Failure to comply may result in penalties in accordance with North
Carolina General. Statute 143-215.6A — 143-215.6C, construction of additional facilities, and/or
referral of the N.C. Professional Engineer to the licensing board.
2. On September 1st, 2006, the new Title 15A administrative 2T codes for LLPS and Gravity sewers
went into effect replacing the 2H codes. As a result, this review will be done to comply with the
2T administrative codes.
3. The preliminary design submittal booklet pages are mixed. Pages 6-9 are not in order.
4. Provide the anticipated design velocities in each segment from manhole to manhole.
5. Provide the design criteria used for the slopes from manhole to manhole.
6. Provide supporting documentation that the McAlpine receiving WWTF plant design can handle
the discharge of the maximum peak daily volume.
7 Any manhole distance that exceeds 425 manhole to manhole must have documentation and
specifications provided by the owner/authority stating that they have the capability to perform
routine cleaning and maintenance on the sewers at distances greater that 425ft.
Provide clarification that the watertight manholes being used will be vented 12" above the 100-
year flood elevation. The venting of manholes shall be every 1000ft or every other manhole
whichever is greater.
Specifications
1, Provide the anchor specifications to be used when addressing steep slopes. (sewers on 20%
slope or greater).
2. Provide the erosion and displacement specifications to be used when addressing velocities
greater than 15ft/sec.
3. Clarify how the alignment will be checked from rnanhole to manhole.
4. Provide the deflection testing specifications.

Provide the leakage testing specifications to be used. The maximum infiltration/exfiltration rate
must be less than 100gpd/inch of pipe diameter/mile .
- 6. Provide the buoyancy analysis and specifications used to prevent floatation of the sewers where
high ground water conditions are anticipated.
Provide-thebuoyancy analysis and specifications used to prevent floatation cif-tlie-manholes
where high ground water conditions are anticipated.
- 8. Provide the testing specifications to be used to check watertightness of the manholes.
2