A pump station that is old shouldn’t be forced to cease functioning in order to become a concern. It might still be able to move the water and wastewater daily and yet be unable to cope with high demand, require more frequent maintenance or rely on control systems which are becoming more difficult to maintain. It may still work, but the original model of the equipment may not be in line with current needs.

Image credit: romtecutilities.com
For municipalities, developers, and facility operators, acknowledging the differences is a crucial aspect of preparing infrastructure improvements.
Look Beyond the Equipment That’s Inoperable
A wastewater lift station retrofit should begin with an assessment of the complete system, not simply the pump experiencing problems. Engineers should assess the wetwell and mechanical equipment and electrical components as well as control systems, drainage pipes as well as the current requirements for pumping and control systems.
The state of the wet well is particularly important. It might be possible if the structure is sound to preserve it and replace outdated equipment. This will reduce the amount of construction needed in comparison to building a new station. It is crucial to maintain existing infrastructure in case enhancements can be made.
Have the areas of service changed?
A wastewater facility that was constructed many years ago can now provide other commercial or residential properties, homes or industrial processes.
The changes could impact flow rates and operating demands. The rehabilitation of lift stations requires more than just the restoration of original specifications for equipment. Engineers must assess the flow of current and anticipated flows and the overall dynamic head of equipment operating reliability, as well as the capacity.
A larger pump isn’t automatically the solution. The new equipment should be compatible with existing piping along with electrical and mechanical supply as well as controls. If one component is upgraded the result could be problems with other components.
The criteria for stormwater retrofits for priority are different
Retrofitting an existing pumping station for stormwater can introduce additional considerations because runoff is influenced by the surrounding development and rain. A station that serves an detention pond may have distinct inflow patterns compared to one that receives water through storm drains. The amount of runoff that reaches the station may be affected by new pavements and parking spaces, or altered drainage infrastructure.
Before recommending a stormwater station upgrade, engineers should examine the drainage area that is contributing to the project as well as the expected peak flow storage capacity, discharge conditions, and current pump performance.
The information will help decide if the station has to be renovated or if modernizing equipment is sufficient.
Design the Construction Before Interrupting Service
The operations of the station in rehabilitation is frequently neglected. The wastewater system is generally not disconnected without the need for continuous flow management.
Construction can include temporary bypass pumps as well as the construction of a new infrastructure with the operating station dependent on the available space and the specific requirements of the project.
Stormwater projects also require a careful planning since the system might be needed during unexpected rainfall. An engineering strategy that is comprehensive should include installation sequencing, temporary operations, installation integration, and commissioning, not just the replacement parts.
Making the system more user-friendly to use
Romtec Utilities is a provider of site-specific engineering supply and solutions for Stormwater and wastewater Pumping Applications.
Its retrofit approach evaluates the mechanical, structural, electrical, and communication elements will remain, and which ones require replacement. The company offers owners preliminary designs, estimates of budgets and options for projects.
After installation, initial testing and commissioning is conducted in conjunction with operator training and documentation. A successful rehabilitation effort will leave the operators with a system they are able to manage and comprehend.
Upgrade Your System and Not Limit Its Upgrades to its Age
A pump station that is older isn’t necessarily a candidate for replacement. Even if the electrical and mechanical equipment is old-fashioned there are some structures that can be useful for many years. It is crucial to know what is safe and economically, while making sure that the final product is in line with current and future demands.
Owners can make better investment decisions by looking at the operating conditions, structural integrity and hydraulic needs together.
The objective isn’t to make a stale station work again. To ensure the system is ready for future work it is essential to modernize the station.