NC0024333_Authorization to construct_19920817

State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27604
James G. Martin, Governor
William W. Cobey, Jr., Secretary
Regional Offices
Asheville
704/251-6208
Fayetteville
919/486-1541
Mooresville
704/663-1699
Raleigh
919/571-4700
Washington
919/946-6481
Wilmington
919/395-3900
Winston-Salem
919/896-7007
Nr. Jerry E. Cox, City Manager
City of Monroe
P. 0. Box 69
Monroe, North Carolina 28111-0069
Dear Mr. Cox:
August 17, 1992
A. Preston Howard, Jr., P.E.
Acting Director
SUBJECT: City of Monroe
Permit No. NC0024333
Authorization to Construct
Wastewater Treatment
Facilities
Project No. CS370564-02
The final plans and specifications for the subject project have
been reviewed and found to be satisfactory.
Authorization is hereby granted for the upgrade of the Monroe
wastewater treatment plant to meet SOC requirements at 7.0 MGD to
consist of retrofit installation of fine -bubble diffusers and air
piping in the existing aeration tanks, three (3) 7,000 GEM
centrifugal blowers, piping Modifications to the two (2) existing final
clarifiers and two (2) existing 85 ft. diameter intermediate clarifiers
to allow them to operate in parallel as secondary clarifiers, new
aeration basin influent piping and splitter box modifications, a new
splitter box to distribute aeration tank effluent to the four (4)
secondary clarifiers, replacement of the RAS pumps for the existing
final clarifiers, new magnetic RAS flow meter and vault, new yard
piping to convey sludge fLein the RAS pump stations to the aeration
basins and digesters, and associated electrical and site work.
Do not proceed with construction until the Authorization -to -Award
package, EEO, and MBE documentation/certification have been reviewed,
and you are in receipt of our approval, if funding is desired for
project construction.
Pollution Prevention Pays
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

Page 3
If you have any questions or need additional information, please
contact Mr. Bill Hoffman, at [phone], extension 615.
Sin rely,
. Preston -• d, Jr. iQE.
Attachment
RPT:vk
cc: Hazen & Sawyer
Mr. Don Safrit
Mooresville Regional Office
Mr. Tom Fahnestock
Mr. Don Evans
Ms. Valerie Lancaster
Mr. Robert Teulings
Ms. Cindy Finan
DMU
SRF