Loading...
HomeMy WebLinkAboutNC0045276_Authorization to Construct_20030730State of North Carolina Depar ment of Environment and Natural Resources Wilmington Regional Office Michael F. Easley, Governor William G. Ross, Jr., Secretary Alan W. Klimek, P.E., Director Division of Water Quality July 30, 2003 Mr. H.D. Morrison, Director of Maintenance Brunswick County Schools 35 Referendum Drive Bolivia, North Carolina 28422 Dear Mr. Morrison: ANT Z,.W* NCDENR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES AUG - 1 2 Subject: Authorization to Construct ATC No.045276A01 NPDES Permit No. NCO045276 Waccamaw Elementary School Brunswick County The Division of Water Quality received your request for an Authorization to Construct on July 8, 2003 and revised plans were received on July 28, 2003. The Division has reviewed your request for an Authorization to Construct at Waccamaw Elementary School. The Division finds the proposed improvements to be satisfactory and hereby grants authorization for the following: �. Install a new 10,000 gallon pre -cast state approved dosing/recirculation pump tank fitted with Orenco Biotube Duplex Pump Vaults and duplex 1.5 HP 50 GPM pumps. • Construct a new 15'X15' block building and install controls and relocate and install the existing Ultraviolet disinfection unit and flow meter. • Abandon the existing dosing tank and the existing recirculation tank and pump building and redirect the piping to the new dosing pump tank and block building. • Rebuild the sand filter by installing a synthetic liner, adding new block to increase the perimeter wall height to 36 inches above existing sand surface, adding 24 inches of gravel and state -certified sand, and installing 2600 feet of inch PE. drip tubing (with 0.01 gpm emitters at 24 inch O.C.), at approximately 6 inch depth beneath the sand surface. • Install anew 3,000 gallon effluent pump tank with dual pumps • Install a distribution box in -line with the existing sand filter effluent to provide flow splitting between the chlorinator and the recirculation tanks. Wilmington Regional Office, 127 Cardinal Drive Ext., Wilmington, NC 28405 Phone: 910-395-3900 Fax: 910-350-2004 An Equal Opportunity/Affirmative Action Employer — 50% Recycled/110% Post Consumer Paper Mr. H.D. Morrison July 30, 2003 Page 2 • Install 2 inch PVC supply line and field flush line with a 2" inch PVC Ball valve to manually flush the drip tubing at appropriate intervals. • Associated piping and appurtenances. This Authorization to Construct is issued in accordance with NPDES Permit No. NC0045276, issued January 3, 2000, and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the terms and conditions of the permit. The Permittee shall notify the Water Quality Supervisor of the Wilmington Regional Office, telephone number (910) 395-3900, at least forty-eight (48) hours prior to operation of the installed facilities, so that an in -place inspection can be made. Notification shall be made during the normal office hours of 8:00 a.m. until 5:00 p.m., Monday through Friday. Engineer's Certification Upon completion of construction and prior to operation of the modified facility, the Permittee shall provide the Division with the enclosed certification from a professional engineer registered in North Carolina certifying that the permitted facility has been installed in accordance with NPDES Permit NC0045276, Authorization to Construct Number 045276 and the approved plans and specifications. The Certification should be submitted to: NCDENR/ DWQ, NPDES Unit, 1617 Mail Service Center, Raleigh, North Carolina 27699-1617. Requirements for Certified Operator 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 Title 15A, Chapter 8G, .0200. The ORC of the facility must visit each Class 1 facility at least weekly and each Class II, III, and IV facility at least daily, excluding weekends and holidays, and must properly manage and document daily operation and maintenance of the facility and comply with all other conditions of Title 15A, Chapter 8G, .0200. Additional Requirements The Operational Agreement between the Permittee and the Environmental Management Commission is incorporated herein by reference and is a condition of this Permit. Noncompliance with the terms of the Operational Agreement shall subject the Permittee to all sanctions provided by G. S. 143-215.6 for violation of or failure to act in accordance with the terms and conditions of this Permit. Failure to abide by the requirements contained in this Authorization to Construct may subject the Permittee to an enforcement action by the Division of Water Quality in accordance with North Carolina General Statute 143-215.6A to 143-215.6C. Mr. H.D. Morrison July 30, 2003 Page 3 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. The Permittee shall maintain a copy of the approved plans and specifications on file for the life of the facility. One (1) copy of the approved plans and specifications is enclosed for your records. If you have any questions about this Authorization to Construct, please contact Mr. Ed Beck, at (910) 395-3900. Sincerely, C i= Alan W. Klimek, P.E. Director Enclosures: Project Plans and Specifications (approved) Engineer's Certification Form cc: Ed Beck Technical Assistance and Certification Unit Central Files NPDES Unit Files Bob Deweese - NCDPI