HomeMy WebLinkAboutWQ0031478_Permit (Issuance)_20070611�OF WATF90 Michael F. Easley, Governor
�O G William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
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Coleen H. Sullins, Director
Division of Water Quality
June 11, 2007
Gary Walls, Public Work Director
Town of Troy
315 North Main Street
Troy, NC 27371
Dear Mr. Walls:
Subject: Permit No. WQ0031478
Twilight Court
Low Pressure Sewer System
Montgomery County
In accordance with your permit application received March 22, 2007, and subsequent
additional information received on June 5, 2007, on June 6, 2007, and on June 8, 2007, we are
forwarding herewith Permit No. WQ0031478 dated June 11, 2007, to the Town of Troy for the
construction and continued 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be effective from the date of issuance until rescinded, and shall be subject to the conditions and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 Chapter 2T 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 2T .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 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.
One Pretreatment, Emergency Response and Collection Systems Unit Internet http://h2o.enr.nc.state. us/peres
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NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
11211114m:1
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
Town of Troy
Montgomery County
FOR THE
construction and continued operation of a pressure sewer collection system consisting of 4 1-HP simplex
pump stations with on -site audible and visual high water alarms and approximately 700 linear feet of 2-
inch pressure sewer to serve Twilight Court and the discharge of 1440 GPD of collected wastewater into
the Town of Troy Wastewater Treatment Facility (NC0028916) existing sewerage system, pursuant to the
application received March 22, 2007, and subsequent additional information received by the Division
on June 5, 2007, on June 6, 2007, and on June 8, 2007, 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 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.
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 2B .0200.
b. A map of the sewer system shall be developed and shall be actively maintained.
7. 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.
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.
9. 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.
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 Chapter 4 and
under the Division's General Permit NCGO10000, and any requirements pertaining to wetlands under
15A NCAC 2B .0200 and 15A NCAC 2H .0500.
11. The Permittee shall provide the following items for the pressure 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 200 gallons 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 side walls.
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-1), 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
(1) 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;
Permit No. W00031478
June 11, 2007
System Description:
construction and continued operation of a pressure sewer collection system consisting of 4 1-HP simplex
pump stations with on -site -audible and visual high water alarms and approximately 700 linear feet of 2-
inch pressure sewer to serve Twilight Court and the discharge of 1440 GPD of collected wastewater into
the Town of Troy Wastewater Treatment Facility (NC0028916).
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 changes 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
❑ 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 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.
North Carolina Professional Engineer's seal, signature, and date:
...............................................................:
SEND THIS FORM & SUPPORTING DOCUMENTATION
WITH REQUIRED ATTACHMENTS
TO THE FOLLOWING ADDRESS
JEFF POUPART, UNIT SUPERVISOR
PRETREATMENT, EMERGENCY RESPONSE if 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.
Mr. Gary Walls
June 11, 2007
Page 2
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 (919) 733-5083 extension 580.
Sincerely
fvi Coleen H. Sullins, Director
cc: Montgomery County Health Department
Fayetteville Regional Office, Water Quality Section (Permit NC0028916)
Brian Sexton, P.E., Hobbs, Upchurch, and Associates, P.A., PO Box 1737, Southern Pines, NC, 28387
Water Quality Central Files
PERCS Files
DENR_FRO
JU,V 1 , 2007
DWQ