The projects undertaken by Willis Engineers are probably the best testament to the quality of work we perform. The following are examples of a variety of projects showcasing the range of our capabilities. All of the work shown was performed by the current Willis Engineers design team. For more information on any of these projects please feel free to contact us.
Pump Station 19, which pumps nearly half of the City of Laurinburg’s wastewater to the WWTP, was noted to have an extremely high accumulation of debris within its wet well. The pump station had a manual bar screen located in a channel leading into the pump station, but the screen did not do a sufficient…
The City of Mount Holly owns and operates an extensive wastewater collection and treatment system providing service to customers throughout the City. Significant development interest on the north side of the City prompted the expansion of their wastewater collection system. The Dutchman’s Creek Parallel Sewer project includes installation of approximately 8,600 linear feet of 30-inch…
The majority of the City’s main distribution water line conveying water from the Water Treatment Plant to the northern portion of the City is made of asbestos cement, which has been problematic for the City. To eliminate the risk associated with this pipe, the City hired Willis Engineers to provide design and construction phase services…
The Town of Mooresville retained Willis Engineers to design new sewer facilities along Back Creek to provide long-term sewer service to the Town’s North Service Area. These facilities include several thousand feet of large diameter interceptor, approximately 21,000 feet of 24-inch force main, and a new pump station. The project will also include the decommissioning…
The City of Laurinburg took ownership of a number of small pump stations in the southeast area of town as part of an annexation project. These pump stations have now reached the end of their useful life and are becoming extremely problematic. The City therefore undertaking a routine rehabilitation program to improve the quality of…
Willis Engineers worked with the Town of Mooresville to evaluate and design a new booster pump station intended to exclusively serve customers in the high service gradient, located on the north side of Town. As development increased in this area it became clear that the existing facilities serving this area would soon be insufficient in…
The Town of Mocksville Dutchman’s Creek Wastewater Treatment Plant provides service to residential and industrial customers on the eastern side of the Town. The Town hired Willis Engineers to assist with renovation of the Plant to replace undersized and worn out equipment that has resulted in numerous mechanical failures and NPDES violations. The project includes…
The Water and Sewer Authority of Cabarrus County (WSACC) owns and operates a wastewater treatment facility on Muddy Creek providing service to customers in the Midland, North Carolina area. The treatment facilities were originally constructed as a 75,000 gallon per day (gpd) modular wastewater treatment plant and were subsequently expanded in 2009 to increase the…
The Town of Mooresville owns and operates a complex wastewater collection and treatment system providing service to residential, commercial and industrial customers throughout the Town. Historically growth in Mooresville has occurred on the west side of Town near Lake Norman, but in recent years the Town is experiencing significant industrial and residential growth to the…
The City of Laurinburg operates an extensive wastewater collection system comprised of 156 miles of sewers and 33 pump stations. One of these pump stations, the Barnes Bridge Road facility, is a duplex submersible pump station that was constructed in 1994. This pump station exhibited significant degradation of its mechanical and electrical components and was…
Charlotte Water operates a fleet of vacuum sewer cleaning trucks to help maintain the wastewater facilities throughout their system. The receiving facilities where the waste from the trucks were offloaded was unsafe and problematic. Charlotte Water engaged Willis Engineers to design a new Vacuum Truck Receiving Station at the Field Operations Zone 4 facility off…
The Town of Mooresville operates two water treatment facilities providing service to customers in Mooresville, North Carolina. The original Water Treatment Plant (WTP #1) utilizes an earthen basin for storage of alum sludge. The Plant was constructed in the 1960s and over time the basin had lost its shape and has become difficult to maintain.…
The Town of Mooresville operates the McCrary Creek Pump Station, which provides service to customers located in Morrison Plantation. The pump station was constructed in the early 2000’s and utilized an in-channel grinder intended to grind any solids that entered the station. Over the years the Town has experienced difficulty with operation of the pump…
The Water and Sewer Authority of Cabarrus County (WSACC) owns and operates wholesale wastewater conveyance systems serving the Town of Mt. Pleasant. Collection of wastewater at the retail customer level is done by the Town, who discharges wastewater into the WSACC system. Wastewater is pumped by WSACC through a series of force mains to a…
The City of Shelby operates an extensive water treatment and distribution system with a maximum treatment capacity of 12.0 million gallons per day (MGD). Much of the distribution system, particularly in the Uptown Area, was installed in the early 1900’s and consists of cast iron piping assembled using lead joints. Although this infrastructure has served…
Charlotte Water provides water and sewer service to areas throughout Mecklenburg County. Charlotte Water completed a Master Plan that included a comprehensive evaluation of the water system and identified several projects needed to improve service for Charlotte Water customers. One of the recommendations was a new 24-inch water main to improve water service in the…
Customers in downtown Mocksville were provided water service by 4-inch water lines that were over 100 years old. The Town was concerned that, due to the location of the pipeline, the new streetscaping efforts in Court Square could be hindered by the aging utilities. The pipe was made of cast iron, with lead joints and…
For many years the City of Shelby has struggled to maintain adequate fire flow and water pressure in the eastern part of the City. This area grew with expansion of the Cleveland Community College and other civic facilities east of Shelby. Unfortunately, extension of the water system was done without a comprehensive master plan or…
Willis Engineers worked with the City of Laurinburg in evaluating the water and sewer infrastructure needs to support a new industry in their industrial park. The industry required an extremely aggressive timetable for their sewer needs. Willis Engineers immediately developed an implementation plan to meet their needs. Four separate construction contracts were defined for the…
The Town of Mocksville operates an extensive water system providing service to customers throughout the Town. Water service north of Interstate-40 is provided by the Madison Road Booster Pumping Station which is equipped with two booster pumps, one of which must be operating at all times to maintain system pressure. In order to improve reliability…
The City of Morganton’s Water Treatment Plant was constructed in 1956 and has been expanded and renovated several times. The Plant includes nine filters with three different generations of filter bottoms. The City recognized the need to upgrade the filters and hired Willis Engineers to assist in designing the necessary improvements with minimal interruptions. In…
The City of Monroe operates an extensive water distribution system that includes two primary pressure zones. The west pressure zone has seen substantial growth in recent years, including residential subdivisions, commercial development, and the Monroe Corporate Center. In order to enhance service to their new customers, the City of Monroe hired Willis Engineers to design…
