Jimmy Smith Wastewater Treatment Plant, Boone, NC, USA
Key Data:
Population served
14,700
Original treatment capacity
12,000m³/day
Extended treatment capacity
18,250m³/day
Actual volume treated (2003)
9,000m³/day
Oxidation ditch capacity
2 x 9,000m³
Tertiary treatment
Sand filtration
Disinfection
UV (32 x horizontal, self-cleaning, medium pressure lamps, each 2.8kW)
Sludge treatment
2m belt press; Class A thermal drier
pH discharge levels
6 to 9 units
BOD discharge levels
5ppm to 10ppm
Total suspended solids discharge levels
10ppm
Ammonia nitrogen discharge levels
2ppm to 4ppm
Dissolved oxygen discharge levels
>5ppm
Faecal coliform discharge levels
200ppm
Mercury discharge levels
0.014ug/l
Selenium discharge levels
5.7ug/l
Cyanide discharge levels
5.7ug/l
Project budget
$13.74 million
Actual project cost
$13.6 million
Main cost breakdown
Design - $451,000; inspection - $360,310; Thamer Construction - $10,735,552; National Electric - $1,439,529
Project Timeline:
Plant review commenced
1992
Improvement project commencement
1994
Plant operational (secondary treatment)
October 1997
Tertiary treatment installed
March 1998
Completion
May 1998
Key Players:
Plant owner
Town of Boone
Operation
Boone Department of Public Utilities
Funding
North Carolina ($12.8million); Boone ($800,000)
Main contractor
Thamer Construction
Design engineers
Hobbs Upchurch & Associates
Other contractors
National Electric
Thermal drier / sludge equipment supplier
Atlas Stord
Diffusers
Sanitaire
