Client:
City of Hull
Hull, IA
Key Features:
- Two multi-cell Submerged Aerated Gravel Reactor (SAGR) cells for ammonia removal
- Ultraviolet disinfection for E. Coli removal
- System designed to operate effectively during winter months.
Key Experience:
- The system design utilized existing treatment components to save the City construction cost.
- The components are designed to work during cold winter months while minimizing operator time on site.
Wastewater Treatment Facility
Designed a SAGR system to be utilized as a polishing step following the City’s aerated lagoon system. The system includes a synthetic liner, aeration lines, rock media, an insulating mulch layer, control structures, and related piping.
Following the SAGR system, a UV disinfection system eliminates bacteria. Also designed a standby generator and related system controls for the SAGR and UV equipment.
Featured Projects
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The City’s residents enjoy high quality water that comes to them in a new and reliable distribution system.
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Treatment Plant & Well Exploration
DGR Engineering worked closely with OCRWS to design a new Water Treatment Plant to target iron and manganese removal from a shallow groundwater source near the site.
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Due to concerns with the age and condition of the structures, along with safety clearances to energized equipment and conductors, a project was undertaken to replace the old infrastructure with new underground lines and associated padmount equipment.
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