Commissioning a Retrofitted Lift Station Before Returning It to Service

A pump station that is old doesn’t need to stop operating to become a concern. Even though it is able to move wastewater and stormwater daily, the pump station might struggle to cope with peak demand. It could also require more frequent maintenance. The equipment is functional, but the design it was originally designed for may not accurately reflect the environment around it.

Understanding this distinction is crucial for municipalities, developers and facility managers when planning upgrades to infrastructure.

Image credit: romtecutilities.com

You should look past the equipment that’s not working properly.

The retrofitting of a wastewater lift station should start by evaluating the whole system, not only the pump. Engineers should evaluate the wetwell and mechanical components as well as electrical components, controls, drainage piping as well as current pumping requirements and control systems.

The condition of the wet well is particularly important. It could be possible, when the structure is in good condition in its current condition, to maintain it and then replace the outdated equipment. This could reduce the construction costs when compared to building a completely new station. It is essential to maintain the existing infrastructure even if improvements are possible.

The service area has changed.

The wastewater station that was constructed many years ago can be used to supply more businesses, homes, and industrial operations.

These changes can affect flow rates and operational requirements. Rehabilitating a lift station successfully needs more than restoring original specifications for the equipment. Engineers should evaluate future and planned flows, the total dynamic head capacity of the equipment, and the operational reliability.

The solution is not always one that is bigger. New equipment must work with existing pipes wet well, electrical supply, and control. If you modify one of the components the problem could be in other areas.

Retrofits to stormwater have different priorities

A stormwater pump station retrofit introduces additional considerations because runoff can change dramatically with rainfall and surrounding development. Stations that serve the detention basin might have different patterns of inflow than those that receive water via storm drains. The amount of runoff that gets to the station could be affected by new pavements as well as increased parking or altered drainage infrastructure.

Before recommending a stormwater pump upgrade, engineers should examine the drainage area that contributes to the system the anticipated peak flows storage capacity, discharge conditions, as well as the performance of the existing pump.

The findings will help you decide if the station has to be rebuilt or what the best option is to modernize equipment.

Plan Construction Before Interrupting Service

What the station’s capabilities will be in rehabilitation is a subject that is often ignored. In general, wastewater systems can’t be shut down without a plan to manage flow.

The construction process may involve the installation of temporary bypass pumps or the replacement of infrastructure near the station operating.

It is also important to be prepared for stormwater-related projects because the system could be required during rainstorms that are not expected. A complete engineering plan should address installation sequencing and temporary operations, as well as the integration of equipment, and commissioning. Not just replacement of the components.

Create the Final System simpler to use

Romtec Utilities is a provider of engineering services for sites as well as supply and solutions for Stormwater and wastewater Pumping Applications.

The retrofit method evaluates the mechanical, structural, electrical and communication components can remain and which require replacement. The company provides owners with preliminary plans and estimates of budgets to assist them in evaluating possible options for the project.

Following installation, startup testing, commissioning, operator training and maintenance records help to ensure that the upgraded station performs according to its design requirements. Successful rehabilitation projects should ensure that operators have a simple to maintain system.

Improve the System, Not Only Its Age

A pump station that is older isn’t a guarantee to be completely replaced. Even if the electrical and mechanical components are outdated Some structures may be useful for many years. The most important thing is to figure out what is safe and effectively preserved while ensuring the station is able to meet current and future requirements.

Through analyzing operating conditions, structural integrity, hydraulic requirements and construction restrictions together owners can make better informed investment decision.

The goal in upgrading an older station is not to make it functional again. To ensure the system is ready for any future projects it’s essential to improve the station.