Project Overview
As production demands increased at the Oil-Dri facility in Ripley, loading rates to both the North (Waste) Dust Tank and South (Verge) Dust Tank rose significantly. With higher material throughput came increased airflow and venting requirements, placing strain on the facility’s existing dust collection and bin vent systems.
To maintain safe and efficient operation, the facility required an engineering assessment to evaluate venting capacity and determine a path forward that would prevent pressure imbalances, dust release risks, or operational inefficiencies.
Engineering Objective
The initial objective was to assess the existing tank venting configuration and develop a design solution that would increase venting capacity. Two primary options were evaluated:
- Installing a new bin vent on the South Dust Tank
- Replacing the existing North Tank bin vent with a larger unit capable of servicing both tanks
The goal was to provide a technically sound, constructible solution that aligned with operational demands and supported long-term reliability.
Following completion of the bid-level design documentation, the project advanced to a second phase focused on delivering Issued for Construction (IFC) documentation. This phase refined the original design package and translated conceptual solutions into construction-ready drawings and details.
Scope of Work
The project included:
- Evaluation of current dust tank loading rates and venting capacity
- Engineering analysis of airflow and filtration requirements
- Development of bid-level design documentation
- Advancement of design to full IFC-level deliverables
- Coordination of layout revisions and constructability considerations
All construction-level work was built upon the foundation established during the initial assessment phase.
Project Execution & Challenges
While the project maintained on-time delivery and strong client satisfaction, it required multiple redesign efforts during execution. Design assumptions evolved, and scope adjustments increased overall engineering hours beyond original estimates.
Additionally, early design recommendations regarding tank modifications were not initially implemented. The client later returned for further engineering support, reinforcing the importance of proactive technical guidance during early decision-making phases.
The need for redesign and refinement contributed to higher-than-anticipated design hours, impacting overall project margin. However, responsiveness and technical support remained consistent throughout.
Conclusion
The Dust Tank Venting Assessment and Bin Vent Upgrade project at Oil-Dri Ripley demonstrated the complexities of increasing capacity within existing industrial infrastructure. By advancing the work from assessment through Issued for Construction documentation, the project delivered a technically sound solution tailored to evolving operational needs.
Even when redesign cycles occur, disciplined engineering support, strong client communication, and adaptability remain central to successful project outcomes.





