A pump station that is older doesn’t have to stop working in order for it become a cause for concern. Even though it may transport stormwater and wastewater daily however, the pump station could struggle to meet the demand for water at its peak. It may also require regular maintenance. Although the equipment is still being used but its original design might not be adequate for current conditions.
For municipalities, developers, and facility managers, understanding the distinction is an important part of planning improvements to infrastructure.
Image credit: romtecutilities.com
The Equipment that is failing isn’t the sole issue
A retrofit of a wastewater pump station must begin with an evaluation of the entire system not simply the pump experiencing difficulties. Engineers must examine the wetwell, mechanical equipment and electrical parts. They should also look at discharge piping and current pumping needs.
The condition of a well is vital. If the wet well’s structure is sound and in good condition, it could be possible to replace it with a new equipment while maintaining its existing structure. It’s less expensive to construct a new station than if you decided to preserve the existing one. Retaining existing infrastructure is only worth it as long as it helps the planned improvements.
Has the service area changed?
A water treatment plant built a few many years ago can now provide more homes, commercial buildings, or industrial operations.
These changes may affect the flow rate as well as operating needs. In order for lift stations to be successfully rehabilitated, it is not enough to restore the original specifications. Engineers must evaluate potential and current flow rates as well as the equipment’s capacity and dependability.
A bigger pump may not be the answer. The new equipment should be compatible with the existing piping, electrical supply and controls. If not, enhancing one part can lead to problems in other components.
Priorities for stormwater retrofits to be different
Retrofitting a stormwater pumping station introduces additional considerations because runoff patterns can alter dramatically as rainfall increases and the surrounding development. A station that serves the detention pond could experience different flow patterns than one receiving water directly via storm drains. The changes in drainage infrastructure like new pavement or larger parking lots, may affect the timing and amount of water that is allowed to flow into the station.
Before recommending a stormwater station upgrade, engineers should review the contributing drainage area, expected peak flows, storage capacity, discharge conditions, and existing pump performance.
These findings will help to determine whether modernization of equipment is sufficient or if a station requires more extensive reconstruction.
Design your project before you disrupt service
The most often overlooked concern is how the station will operate during rehabilitation. Systems for managing wastewater generally can’t be taken offline without arrangements to ensure that flow control is maintained.
Construction may include installing temporary bypass pumps or replacing infrastructure adjacent to the station operating.
The system could be necessary to be used in an emergency downpour. A comprehensive engineering plan must address installation sequencing the temporary operation, equipment integration, and commissioning. Not just replacement components.
Enhance the finished System easier to operate
Romtec Utilities offers site-specific engineering solutions and supplies for stormwater pumps and wastewater.
The retrofit process decides which electrical, structural, mechanical and communication components are to be retained and which need to be replaced. The company offers owners preliminary plans and estimates of budgets for them to evaluate their possible options for the project.
Following installation, tests for startup the system, commissioning it, training for operators, and operation and maintenance documentation will ensure that the station has been upgraded according to its design requirements. Rehabilitation projects that are successful should offer operators with a simple maintenance system.
Upgrade Your System, Not Only it’s Age
An older pump station isn’t a guarantee to be completely replaced. It’s possible that structures will continue to be functional for years, regardless of whether the mechanical or electrical systems require modernization. It is crucial to determine what is safe and effectively preserved while ensuring the station meets current and future demands.
Through analyzing the general working conditions and structural integrity as well as the hydraulic requirements and construction constraints, owners can to make better-informed decisions.
The goal of upgrading an old station is not to simply make it work again. It’s to ensure that the new system is ready for the work ahead.