City of North Bend Sewer District – Wastewater Pump Station
Wastewater Pump Station Project Description
Wastewater from the North Bend region in Washington is the responsibility of the City of North Bend. Similar to many other municipalities or districts in areas of new construction, all of the land in this area that would allow gravity to naturally carry the waste to treatment has been taken. This situation was the exact scenario which Quadrant Homes Inc. faced for their new development, Cedar Landing.
In order to meet the requirements of the City of North Bend Sewer District and to overcome the sewer site constraints relative to connection to the overall sewer district, Quadrant Homes selected Romtec Utilities to design and supply a wastewater lift station that would satisfy both the design criteria of the district and the needs of the development.
The supplied Romtec Utilities wastewater lift station includes odor control systems and a control building by our sister company, Romtec, Inc. This lift station will service the Cedar Landing Development, and will pump the wastewater against gravity to treatment. After its commission, this lift station will be owned and maintained by the City of North Bend.
Wastewater Pump Station Design
The precast concrete wet well features an 8’ inner diameter (ID) and reaches 18’ in depth. Two 10 horsepower Flygt submersible pumps are in the wet well, as well as an E&H FMR20 Radar primary level sensor and 5 Roto floats as backup level sensors. The level sensors send level readings to an Allen Bradley Compactlogix controller to start and complete pumping cycles.
In addition to the wet well components, the Romtec control building was provided to house the generator and Motor Control Center (MCC). Control buildings can be an aesthetically pleasing way to hide lift station components, and Romtec buildings offer a customizable design to blend in with the aesthetic of a development or area.
Romtec control buildings offer many benefits. They provide shelter and extra protection for the equipment, which reduces the concern of damage from weather or vandalism. Control buildings also provide maintenance workers a safe place to perform their work, as they will be protected from the elements and all safety clearances and precautions. With the expertise of Romtec Utilities, Romtec takes factors such as generator ventilation into consideration during the design of the structure.
The control building on the Cedar Landing project is composed of smooth face grey block with a lap siding on the gable ends. The entrance to this building is through double doors that are wide enough to accommodate equipment in the event of repair of replacement. Inside the control building, the walls are lined with FRP panels for a clean, finished look, and a heater provides temperature control to protect the equipment.
Quadrant Homes invested in the Cedar Landing project for their development. With the addition of the odor control and the control building, the system will be camouflaged from the residents, preventing both foul smells and an eyesore in the new community. Romtec Utilities would like to thank RP Development, Contractor on this project, for the successful construction of this system for Quadrant Homes.
What Romtec Utilities Provided
- Lift Station Design & Engineering
- Package Lift Station Supplier
- Package Lift Station Manufacturer
- On-Site Construction Adviser
- On-Site Start-Up Management