NC0089559_Authorization to Construct_20160912

Water Resources
ENVIRONMENTAL QUALITY
September 12, 2016
Mr. Wallace Anderson, Executive Director
Ridge Haven, Inc.
215 Ridge Haven Road
Brevard, North Carolina 28712
SUBJECT:
Dear Mr. Anderson:
PAT MCCRORY
Gnremnr
DONALD R. VAN DER VAART
Sec tun
S. JAY ZIMMERMAN
Authorization to Construct
A to C No. 089559A01
Ridge Haven, Inc.
Ridge Haven WWTP
Director
A letter of request for an Authorization to Construct was received August 29, 2016, by the
Division of Water Resources (Division), and final plans and specifications for the subject project
have been reviewed and found to be satisfactory. Authorization is hereby granted for the
construction of modifications to the existing 0.0163 MGD Ridge Haven WWTP, with discharge
of treated wastewater into the Toxaway Creek in the Savannah River Basin.
This authorization results in no increase in design or permitted capacity and is awarded for
the construction of the following specific modifications:
Installation of one (1) manual bar screen rated for 0.0407 MGD; a 3,675-gallon flow
equalization basin with fine bubble diffusers, two (2) 12 GPM flow equalization basin
pumps and one (1) 30 CFM flow equalization basin blower, a flow splitter box; two (2)
7,595-gallon aeration basins with fine bubble diffusers; two (2) 37.5 W secondary
clarifiers; two (2) 5.2 ft2 rapid sand tertiary filters, two (2) 78 GPM filter backwash
pumps and one (1) 30 CFM tertiary filter blower, one (1) 781-gallon post aeration basin;
an 820 gallon mud well with two (2) 12 GPM mud well pumps; two (2) UV disinfection
units each with one bank (2 lamps per bank); an aerated 6,540 gallon aerobic digester;
two (2) 125 CFM blowers to serve the aeration basins, clarifier air lift and aerobic
digester; in conformity with the project plans, specifications, and other supporting data
subsequently filed and approved by the Department of Environmental Quality.
This Authorization to Construct is issued in accordance with Part III, Paragraph A of
NPDES Permit No. NCO089559 issued April 1, 2016, and shall be subject to revocation unless the
wastewater treatment facilities are constructed in accordance with the conditions and limitations
specified in Permit No. NC0089559.
The sludge generated from these treatment facilities must be disposed of in accordance
with G.S. 143-215.1 and in a manner approved by the Division.
State of North Carolina I Environmental Quality I Water Resources
1617 Mad service Center I Raleigh, North Carolina 27699-1617
Location 512 N. Salisbury St. Raeigh, North Carolina 27604, Archdale Building 91h Floor
Phone: [phone] Fax: [phone]

Mr. Wallace Anderson, Executive Director '` •�
September 12, 2016
Page 2 of 3
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 as may
be required by the Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
The Asheville Regional Office, telephone number 828-296-4500, shall be notified at least
forty-eight (48) hours in advance of operation of the installed facilities so that an on -site inspection
can be made. Such notification to the regional supervisor shall be made during the normal office
hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State Holidays.
Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer certifying that the permitted facility
has been installed in accordance with the NPDES Permit, this Authorization to Construct and the
approved plans and specifications. Mail the Certification to: Division of Water Resources, WQ
Permitting Section — NPDES,1617 Mail Service Center, Raleigh, NC 27699-1617.
Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of the
wastewater treatment facilities. The operator must hold a certificate of the type and grade at least
equivalent to or greater than the classification assigned to the wastewater treatment facilities by
the Certification Commission.
The Permittee must also employ a certified back-up operator of the appropriate type and
grade to comply with the conditions of T15A:8G.0202. The ORC of the facility must visit each
Class I facility at least weekly and each Class U, III and IV facility at least daily, excluding
weekends and holidays, must properly manage the facility, must document daily operation and
maintenance of the facility, and must comply with all other conditions of T15A:8G.0202.
A copy of the approved plans and specifications shall be maintained on file by the Permittee
for the life of the facility.
During the construction of the proposed additions/modifications, the permittee shall
continue to properly maintain and operate the existing wastewater treatment facilities at all times,
and in such a manner, as necessary to comply with the effluent limits specified in the NPDES
Permit.
You are reminded that it is mandatory for the project to be constructed in accordance with
the North Carolina Sedimentation Pollution Control Act, and when applicable, the North Carolina
Dam Safety Act. In addition, the specifications must clearly state what the contractor's
responsibilities shall be in complying with these Acts.
Prior to entering into any contract(s) for construction, the recipient must have obtained all
applicable permits from the State.

�Mr. Wallace Anderson, Executive Director
September 12, 2016
Page 3 of 3
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Pemuttee to an enforcement action by the Division in accordance with North Carolina
General Statute 143-215.6A to 143-215.6C.
The issuance of this Authorization to Construct does not preclude the Permittee from
complying with any and all statutes, rules, regulations, or ordinances which may be imposed by
other government agencies (local, state, and federal) which have jurisdiction.
If you have any questions or need additional information, please contact Ron Berry at
telephone number [phone].
Sincerely,
��;tt S. Jay Zimmerman
4 Director, Division of Water Resources
cc: David Odom, P.E., Odom Engineering, 152 East Main St., Forest City, NC 28043
DWR/Asheville Regional Office, Water Quality Programs
Ron Berry
Michelle McKay, E.I.
Central Files
NPDES File

Ridge Haven, Inc.
Ridge Haven WWTP
Authorization to Construct No. 089559AOI
Issued September 12, 2016
Engineer's Certification
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 modifications and improvements to the Ridge Haven Wastewater
Treatment Plant, located in Pender County, hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the following construction:
Installation of one (1) manual bar screen rated for 0.0407 MGD; a 3,675-gallon flow
equalization basin with fine bubble diffusers, two (2)12 GPM flow equalization basin
pumps and one (1) 30 CFM flow equalization basin blower; a flow splitter box; two
(2) 7,595-gallon aeration basins with fine bubble diffusers; two (2) 37.5 ft2 secondary
clarifiers; two (2) 5.2 W rapid sand tertiary filters, two (2) 78 GPM filter backwash
pumps and one (1) 30 CFM tertiary filter blower; one (1) 781-gallon post aeration
basin; an 820 gallon mud well with two (2)12 GPM mud well pumps; two (2) UV
disinfection units each with one bank (2 lamps per bank); an aerated 6,540 gallon
aerobic digester; two (2)125 CFM blowers to serve the aeration basins, clarifier air
lift and aerobic digester; in conformity with the project plans, specifications, and
other supporting data subsequently filed and approved by the Department of
Environmental Quality.
I certify that the construction of the above referenced project was observed to be built within
substantial compliance, intent and in conformity with all. applicable regulations and statutes and
the project plans, specifications, and other supporting documentation comprising the
Authorization to Construct Permit Application package.
Signature
Date
Registration No.
Mail this Certification to: Attn: Ron Bent'
Complex Permitting Unit
DEQ/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh, NC 27699-1617