WQ0019340_Regional Office Historical File Pre 2018

State of North Carolina
.Department of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
William G. Ross Jr., Secretary
Kerr T. Stevens, Director
March 28, 2001
BARRY SHEARIN, CHIEF ENGINEER
CHARLOTTE-MECKLENBURG UTILITY DEPARTMENT
5100 BROOKSHIRE BOULEVARD
CHARLOTTE, NC 28216
Dear Mr. Shearin:
i • •
NCDENR
NORTH CAROL4Ti#+wr rANSWIRONMENT
ENVIRONMENT AN EANDANATURAUFMME9
HOORESViLLE REGIONAL OFFICE
APR 0 3 2001
Subject: Permit Nbl'.94NATj SECTION
Torrence Chapel Estates Phase II
Pressure Sewer Extension
Mecklenburg County
In accordance with your application received December 5, 2000, as well as supplemental information
received March 16, 2001 and March 23, 2001, we are forwarding herewith Permit No. WQ0019340 dated
March 28, 2001, to the Charlotte -Mecklenburg Utility Department for the 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rescinded, and shall be subject to the conditions and limitations as specified therein.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 2H .0227 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 2H .0200; 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 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.
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone] Fax [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post -consumer paper

One set of approved plans and specifications is being forwarded to you. If you need additional
information concerning this matter, please contact Sharnay E. Torrance at [phone] extension 370.
Sincerely
T. Stevens
cc: Mecklenburg County Health Department
Donald Munday, B. K. Barringer & Associates,
Frank Spittle, Wingate Enterprises, Inc.
Central Files
NDPU Files-WQ0019340

or
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 as
amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Charlotte -Mecklenburg Utility Department
Mecklenburg County
FOR THE
construction and operation of a pressure sewer collection system consisting of twenty-five (25) 40-GPM
pump stations with simplex pumps, and on -site audible and visual high water alarms; and approximately
1,505 linear feet of 2-inch pressure sewer to serve the Torrence Chapel Estates Phase II subdivision, and
the discharge of 4,750 GPD of collected wastewater into the Charlotte -Mecklenburg Utility Department's
existing sewerage system, pursuant to the application received December 5, 2000, and supplemental
information received March 16, 2001 and March 23, 2001,.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.
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 voidable unless the wastewater collection facilities are constructed in
accordance with the conditions of this permit; 15A NCAC 2H .0200; 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.
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 2H .0227. If an individual
permit is not required, the following performance criteria shall be met as provided in 15A NCAC 2H
.0227:
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 1SA NCAC
2L .0200 or the surface water standards in 15A NCAC 2B .0200.

b. A map of the sewer system shall be developed prior to January 1, 2004 and ,shall be actively
maintained.
c. An operation and maintenance plan shall be developer( and implemented.
d. Pump stations that are not connected to a telemetry system shall be inspected at least three
times per week until July 1, 2000; thereafter, pump stations shall be inspected at least daily, as
defined in 15A NCAC 2B .0503(5), until July 1, 2001; and thereafter, pump stations shall be
inspected every day. 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. Inspection and maintenance records shall be maintained for a period of at least three years.
h. 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.
4. The sewage and wastewater collected by this system shall be treated in the Charlotte -Mecklenburg
Utility Department's McDowell Creek Wastewater Treatment Facility (NPDES Permit No.
NC0036277) prior to being discharged into the receiving stream.
5. 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.
6. Construction of the 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.
7. Upon completion of construction and prior to operation of these permitted facilities, a certification
and a copy of the construction record drawings shall be received from a North Carolina -licensed
Professional Engineer certifying that the facilities have been installed in accordance with this permit;
15A NCAC 2H .0200; 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 Main adopted June 1, 2000 as applicable; and other supporting materials. If this project is
to be completed in phases and partially certified, you shall retain the responsibility to track further
construction approved under the same permit, and shall provide a final certificate of completion once
the entire project has been completed. A copy of the construction record drawings, indicating the
facilities constructed in the phase being certified, shall be submitted with each partial certification.
Mail the Engineer's Certification, one copy of the "Construction Record Drawings", and one copy of
the supporting design calculations to the Non -Discharge Permitting Unit, 1617 Mail Service Center,
Raleigh, NC 27699-1617.
8. A copy of the approved plans and specifications shall be maintained on file by the Permittee for the
life of the wastewater collection facilities.
2

PIlir
9. Failure to abide by the conditions and limitations contained in this permit; 15A NCAC 2H .0200; 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.
10. 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 (i.e., 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 Ch. 4 and under
the Division's General Permit NCG0100000, and any requirements pertaining to wetlands under 15A
NCAC 2B .0200 and 15A NCAC 2H .0500.
11. The Permittee shall provide for the pump station(s) and force main(s) the following items:
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. A minimum of 60 gallons of storage capacity above the pump -on activation level to meet the
greater of the permittee response time for service or the longest non -catastrophic power outage
of the previous three years 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 I or Class
II 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
(viii) 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
(II) Ground water lowering and surface drainage ditches 10 feet
(xi) Any swimming pool 10 feet
(xii) Ferrous 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 less than 25 feet from a private well or 50 feet from a public water supply
well;
12. 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.
3

13. Noncompliance Notification:
The Permittee shall report by telephone to 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.
Persons reporting such occurrences by telephone shall also file a written report in letter form within
five (5) 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.
14. The permittee shall maintain on hand for immediate installation a supply of spare, fully operational
pump units of each type used in the pressure sewer system. The number of pumps on hand shall not
be less than 10 percent of the number of installed units or one unit, whichever is greater.
15. Each pump station shall 'be clearly and conspicuously posted with the telephone number of the
owner/operator of the pressure sewer system and instructions to call the number in the event of high
water alarm activation.
Permit issued this the twenty-eighth day of March, 2001
NORTH CAROLINA
1
IRONMENTAL MANAGEMENT COMMISSION
Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0019340
4

Permit No. WQ0019340
March 28, 2001
ENGINEER'S CERTIFICATION'
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 project,
Project Name Location and County
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 and intent of this permit, the approved plans and specifications, and other supporting
materials.
Signature Registration No.
Date
The above Engineer's Certification must be completed and submitted to the address below with one (1)
copy of the Record Drawings (i.e., as -constructed plans) of the permitted facilities. This project shall not
be considered complete and allowed to operate until this Engineer's Certification and the Record
Drawings have been submitted. Any wastewater flow made tributary to the permitted facilities 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.
NORTH CAROLINA DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES
DIVISION OF WATER QUALITY
WATER QUALITY SECTION
NON -DISCHARGE PERMITTING UNIT
1617 MAIL SERVICE CENTER
RALEIGH, NORTH CAROLINA 27699-1617
5

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
William G. Ross, Jr., Secretary
Kerr T. Stevens, Director
February 14, 2001
BARRY SHEARIN, CHIEF ENGINEER
CHARLOTTE-MECKLENBURG UTILITY DEPARTMENT
5100 BROOKSHIRE BOULEVARD
CHARLOTTE, NC 28216
Subject:
Dear Mr. Shearin:
rA
NCDENR
NORTH CAROLINA DEPARTMENT or
ENVIRONMENT AND NATURAL RESOURCES
Application No. WQ0019340
Additional Information Request
Torrence Chapel Estates
Pressure Sewer Extension
Mecklenburg County
The Non -Discharge Permitting Unit has conducted a preliminary review of the subject permit application package.
Additional information is required before we may continue our review. Please address the following items no later
than April 1, 2001.
1. Per Item E of the Instructions for Form: PSSA 10/99, the plans must include (in table form or on
subdivision layout) lot numbers, zones (if applicable), approximate pump and top of wet well
elevations, and pump model number. Please amend the plans for this project to include this
information.
2. In accordance with the Minimum Design Criteria for Pump Stations and Force Mains, buoyancy
protection shall be demonstrated through the use of flotation calculations. Please provide
buoyancy calculations for simplex pump stations using the following guidance.
a.
b.
c.
d.
Flotation calculations shall be performed on below -ground pump station structures using
the assumption that the elevation of the groundwater table is equivalent to the ground
elevation.
Flotation calculations shall not add the weight of the pumps, internal piping and
appurtenances, or wastewater present in the pump station, including the wastewater
below the all pumps -off activation Ievel, into the downward forces used to counteract
buoyancy.
The use of the saturated weight of any soil above the extended footing of the pump
station structure shall be allowed in the flotation calculations.
Flotation calculations shall show that the design of the below -ground pump station
structures will be protected from buoyancy with a factor of safety that is equal to or
greater than one.
3. Please address power reliability for simplex pump stations. Either submit calculations as evidence
of 24 hour storage capacity in wet well above pump -on elevation; or provide the following
documentation with supporting calculations to ensure adequate storage in wet well:
a.
Provide a letter from the power supplier for the area and data to show the power outage
history for the past three (3) years. Required storage above pump -on elevation in the
wet well shall be equal to the duration of the longest power outage (minus catastrophic
events); and
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer
50% recycled/ 10% post -consumer paper

b. Provide a letter from the personnel responsible for pump maintenance in the case of
pump failure stating an estimated response time to replace a failed pump. The estimate
shall include time for answering after hours calls, travel time to maintenance shop,
preparing equipment to respond. travel time to site, and time to replace the pump.
Required storage shall be provided above the high water alarm.
4. All pump stations must be provided with a weather -resistant sign on the control panel or in
conspicuous public view, showing the name and 24-hour telephone number of a contact in the
event of a high water alarm, loss of power, and other emergencies. Please amend plans and
specifications accordingly.
5. Access to the pump station structures as well as all associated equipment and appurtenances shall
be restricted in accordance with 15A NCAC 2H .0219(h)(7). All access hatches to the wet well,
dry well, and other pump station structures shall be padlocked. Please amend specifications and
plans to show compliance with this requirement.
6. At a minimum, pump station wet wells shall be provided with a gooseneck -type vent. Active
ventilation units shall also be acceptable. Please amend plans and specifications to reflect the
presence of screened vents in wet well according to the following minimum design criteria.
a.
b.
c.
Vents shall be constructed of sturdy material that is resistant to ultraviolet light and
adequately supported to withstand damage during normal and emergency operation and
maintenance.
Vent elevations shall be a minimum of two feet above the 100-year flood elevation as
identified on the most recent FEMA map when available or as established through
appropriate modeling techniques.
Vents shall be provided with an insect/bird screen of stainless steel, aluminum,
corrosion -resistant material. Under no circumstances shall steel or galvanized steel be
used.
7. Weather-proof audible and visual alarms that are external to any structure or enclosure shall be
provided at the pump station in accordance with 15A NCAC 2H .0219(h)(5). PIease amend plans
and specifications to indicate the presence of audible alarms in addition to the visual alarms
currently specified.
Please note that comments from the Regional Office are pending at this time, and additional requests may be
necessary to address these comments. Please reference the subject application number when providing the requested
information. Copies of all revised and/or additional documentation should be signed, sealed, dated, and submitted to
my attention in duplicate at the address above. 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
370. Thank you for your cooperation.
Sincerely,
Sharnay E. Torrance
Environmental Engineer
Non -Discharge Permitting Unit
Cc: Dee Browder, Mooresville Regional Office, Water Quality Section
Donald L. Munday, B.K. Barranger & Associates, P.A.
Frank Spidle, Wingate Enterprises. Inc_
Permit Application File WQ0019340