Town of Christiansburg -- Christiansburg, VIrginia
Since the early 1980s, CHA has been providing engineering services for the Town of Christiansburg’s Wastewater Treatment Facility (WWTF). A summary of the projects performed for the Town included:
- Upgrade and expansion to 3.0 MGD
- Outfall line and effluent pump station
- Upgrade and expansion to 4.0 MGD
- Biological Nutrient Removal
- UV disinfection system
- 1.6 MG Crom equalization basin
- Wet weather flow analysis and implementation
- Capital improvement plan development and implementation
- VPDES permit applications
- Various regulatory tasks including SWPP, RMP, and PSMP
- On-call operation and regulatory assistance
- Bioassay
- Biosolids management
In addition to this work in the last five years, CHA has assisted the Town of Christiansburg in implementing a capital improvement plan to upgrade their WWTF to a treatment capacity of 6.0 MGD. The improvements included:
- New fine screen and compactor in the existing headworks
- Odor control on the primary sludge holding tank
- Wet weather influent pump station to increase the peak pumping capacity to 15 MGD
- Anaerobic digester heating and mixing in primary and secondary digesters
- Conversion to BNR, MLE process primarily for alkalinity recovery
- Assistance with generator design to replace existing 30-year old generator
Services Provided by CHA:
- Wastewater Treatment Plant Preliminary Engineering Report
- Design
- Bidding
- Construction Administration
- Resident Project Representation
- Inflow and Infiltration (I&I) Study
- Hydraulic Model