West Side Treatment Plant Upgrade Project, City of Bremerton, WA; Project Manager

Facing a short timeline and looking for practical solutions, the City of Bremerton selected Casey Civil to complete a conceptual evaluation and design of eight individual projects along with the associated cost estimates. The resulting deliverable was used to support the application for the State Revolving Fund (SRF) to help pay for the projects, which included: headworks improvements, waste gas boiler replacement, and several other rehabilitation and replacement projects. Stemming from these efforts and a recommendation to evaluate the odorous air collection system, the City expanded the scope to complete a survey and rebalance the system to promote better airflow to improve safety and reduce the buildup of corrosive gases that were destroying the infrastructure.

44th & 67th Lift Station, City of Fircrest, WA; Project Manager & Construction Manager

The City of Fircrest selected Casey Civil to complete an upgrade of this lift station, which was more than 30 years old and was starting to fail. Brian led the design and construction management of the upgrade, working with the confines of the original easement of 200 square feet on a sloped site. The result was a unique solution that used the existing wet well as the form for the new wet well.

2022 Lift Station Rehab/repair program, City of Lacey, WA; Technical Lead

Brian served as the technical lead for design of improvements to six of the City of Lacey’s wastewater lift stations: LS6, LS11, LS17, LS23, LS34, and LS37. Evaluation efforts included the projection of flows for each of the lift stations and hydraulic calculations that were complicated by shared force mains. Pump selection for each of the lift stations considered operation of individual and multiple lift stations on the shared force mains.

Rose Point Lift Station Improvements, City of Kirkland, WA; Project Manager

An upgrade of an existing lift station near Juanita Bay in Kirkland, this project required multiple permits before final design could be completed. Brian led the team throughout the design and permitting effort and provided engineering support during construction. He also led the City through a triple-bottom-line evaluation process to select an upgrade alternative and presented the results to the local residents.

Drake Street Lift Station, City of Fircrest, WA; Project Manager & Principal-in-Charge

Last upgraded 35 years prior, the Drake Lift Station was showing signs that risk of failure was increasing. Brian led the preliminary design, detailed design, and construction support services for the rehabilitation and upgrade of the existing facility. Due to the proximity to Leach Creek that runs adjacent to the station, it was necessary to maintain a small construction footprint. Working closely with City staff, a duplex submersible lift station was designed that utilized the existing site and converted the dry well structure to the new wet well. After completing a hydraulic evaluation of the existing force main, it was determined to be in reasonable condition and suitable for continued use.

Lift Station 21 Rehabilitation, City of Lacey, WA; Project Manager

Lift Station #21 is a relatively small facility, serving only a handful of commercial customers. Its location, immediately adjacent to a restaurant, presented significant challenges related to both construction of a new facility and continued maintenance. Ultimately, working collaboratively with the City and restaurant owner, a new lift station was constructed that reused the existing wet well and limited construction during the busiest restaurant hours.

Alameda Lift Station, City of Fircrest, WA; Project Manager & Construction Manager

The Alameda Lift Station was more than 30 years old and was starting to fail. Brian led the design and construction management of the upgrade, which required careful consideration of sequencing, as the facility is effectively in the front yard of a residence. As a part of the design phase, the force main was hydraulically evaluated to confirm it was sufficient for continued use. The successful construction improved the reliability of sewer service in the area.

WWTP Interceptor Upgrades, City of Bremerton, WA; Project Manager

The City of Bremerton’s WWTP has been expanded several times to increase capacity and improve the level of treatment. This project replaced the existing 10 and 12-inch diameter interceptors through the plant that were creating capacity restrictions as well as condition concerns. Brian led the team through an alternatives analysis that considered trenchless technologies to avoid construction along a steep hillside. The selected alternative included design of a retaining wall and a roadway that allowed for an open-trench construction while improving access around the site. The final connection to the headworks incorporated a dual barrel inverted siphon to improve operation and maintenance activities.

2016 Eastside Treatment Plant Outfall Replacement, City of Bremerton, WA; Project Manager

The Eastside Treatment Plant (ESTP) is a CSO facility that only operates when flows exceed the capacity of the collection system and main treatment plant. The outfall is approximately 430 feet in length, with an additional 100 feet of diffuser, and discharges into the Port Washington Narrows. Brian led the team in assessing alternatives for addressing the capacity and condition concerns associated with the outfall pipe. Brian led the team in a condition assessment of the existing 36-inch diameter outfall, permitting, diffuser alternatives, and anchorage of the new outfall.

Alderwood Water & Wastewater Dist. Lift Station 23, Alderwood Water and Wastewater, WA; Project Manager & Project Engineer

This project included the evaluation of the capacity and condition of downstream piping prior to designing a new triplex, wet pit/dry pit lift station for the District that is capable of pumping up to 3 mgd. At a depth of 40 feet and located on a small site, shoring and sequencing were key considerations in addition to the traditional design elements. Brian’s continued coordination with the District following testing and start-up provided an end result that was consistent with the District’s expectations.

2015 Backyard Sewer Replacement Priority 5, 6, and 7, City of Fircrest, WA; Project Manager

Working with City staff to implement a revised approach to sewer improvements, Brian directed the improvement to backyard sewer collector pipes through the use of a trenchless technology known as pipe bursting. This approach resulted in a lower construction cost than complete pipe replacement and also minimized impacts to City streets and private properties.

Ediz Hook Sanitary Sewer Force Main Renovation, City of Port Angeles, WA; Project Manager

With concerns related to growing odor complaints at the end of a three-mile long force main, Brian led an investigation into the source of the hydrogen sulfide gas and an evaluation of the collection system. Recommended actions led to the discovery of failing sewer pipes and allowed for immediate rehabilitation and replacement prior to catastrophic failure.

Lift Station 2 Replacement Design, City of Lacey, WA; Project Manager

The existing Lift Station 2 was an aged facility with failing reliability. Located within the public right-of-way in a residential neighborhood and under power lines, replacement in the existing location was not an option. Working closely with the City to identify a nearby property, Brian led the design of a new facility on a nearby property. In addition to a new lift station with a critically silenced backup power generator, this project included 2,200 linear feet of 8-inch diameter gravity sewer and 2,400 linear feet of 6-inch diameter force main. High groundwater issues required a proactive approach to dewatering all excavations, utilizing a point well system and coordinating a permitted discharge to the nearby Chambers Lake.

Crystal Ridge North Lift Station Conversion to Gravity Sewer, City of Puyallup, WA; Project Manager

After evaluating opportunities for eliminating an aging lift station, it was determined that constructing an 8-inch diameter gravity sewer pipe would allow the City to decommission the aging sewage lift station. This project included a routing analysis, private property owner coordination, easement acquisition, detailed design, and construction support.

Willamette Pump Station Clogging Evaluation, Clackamas County Water Environment Services, OR; Project Manager/Project Engineer

The District was experiencing significant clogging at the 7 MGD wet pit/dry pit pump station. Buildup of rags required maintenance staff to unclog pumps daily to avoid capacity loss. The hydraulic analysis showed that the pumps were operating outside of manufacturer recommendations, and control modifications were implemented. Additionally, physical alternatives to further improve the ability to pass rags were evaluated for incorporation into a future upgrade.

Dawson Creek Pump Station and Force Main Project, Clean Water Services, Washington County, OR; Project Engineer & Construction Manager

This facility includes a 20 MGD submersible pump station with a 40-foot deep wet well, enclosed yard piping area, control building, and 800 kW standby generator system. The force main consists of approximately 15,000 feet of dual 24-inch diameter pipes with microtunneling, HDD, jack and bore, and a pipe bridge. Permitting and land acquisition were challenges on this project, along with constructing the facility adjacent to an airport runway path. Brian led the design of the pump station and served as the Construction Manager through startup.

Water Reclamation Plant Influent Structure Rehabilitation, City of Grants Pass, OR; Project Manager

Brian coordinated the evaluation and repair of the influent control structure, through which all plant flow is measured. Maintaining flow through the plant at all times required careful coordination with plant staff, incorporation of ideas from contractors, and strong knowledge of corrosion repair methods.

Water Reclamation Facility Headworks Replacement, City of Bend, OR; Project Engineer & Construction Manager

As the key coordinator between structural, mechanical, architectural, and process designers, Brian directed a challenging project while completing his own portion of the designs. The new facility is capable of passing a flow of 30 MGD through fine band screens. Screen size opening was set at 6mm, however, hydraulics were designed for headloss through a 3mm screen to accommodate the possibility of a future transition to membranes. During construction, it was decided to install one of the 3 mm screens to help the City understand the impacts on debris capture rate.

Discovery Corridor Wastewater Transmission System Preliminary Design, Clark Regional Wastewater District, WA; Project Manager

Brian was responsible for leading the evaluation of five individual pump stations to assess their potential for expansion and incorporation into a regional wastewater transmission system. This project was driven by environmental permitting regulations and required coordination with four public agencies to establish the backbone of a regional partnership to allow conveyance of wastewater over a great distance.

S-6 Sanitary Sewer Lift Station Replacement, City of Pleasanton, CA; Project Engineer

The sanitary sewer lift station consisted of a failing wet-pit/dry-pit packaged pumping system. This project included a new self-cleaning, trench-style wet well design with five submersible pumps with space for a sixth to address any unanticipated future growth. Initial and future firm capacities are 6.6 and 8.2 MGD, respectively. The project included an intricate construction sequencing approach that allowed the existing station to remain in service throughout construction.

Lake Washington Beach Lift Station Replacement, City of Renton, WA; Project Engineer

The new station included submersible chopper pumps, below-grade valve vault, influent sewer main and force main re-routing, and miscellaneous site and electrical improvements.

Westview Lift Station Upgrade, City of Renton, WA; Project Engineer

The station upgrade included a new valve vault, new submersible grinder pumps, adjusting water level measurement methods, and modifying the existing wet well geometry.

Advanced Wastewater Treatment Facility, East Aeration Basin Improvements, Clean Water Services, Washington County, OR; Staff Engineer & Construction Manager

Improvements to enhance biological phosphorus removal initiated the upgrade of one of the existing aeration basins, while a necessary capacity expansion drove the design of the adjacent basin. New air, return activated sludge, primary effluent, and mixed liquor return piping were all coordinated in an underground gallery common to both basins. Brian supported the design and served as the on-site construction manager for the multi-year, multi-million-dollar project.

Rock Creek Influent Pump Station Improvements, Clean Water Services, Washington County, OR; Project Engineer & Construction Manager

Improvements to the Influent Pump Station at the Rock Creek Advanced Wastewater Treatment Facility (AWTF) were designed to address pump clogging and reduction in pumping capacity, inadequate HVAC system, and poor pump removal and maintenance access. Hydraulic analysis completed as part of the project defined two key issues: flow separation in the suction elbow under peak flows and suction recirculation under minimum flow conditions. Rather than modify the existing pumps, Brian was responsible for designing the installation of two new pumps to more effectively operate at the lower, more typical flows. Maintenance access was improved by installing an access platform around the pumps and providing overhead jib cranes. These modifications resulted in significantly improved reliability for the 200 MGD pump station. Brian has given several presentations on this project, including the Water Environment Federation Collection System Conference.

Wastewater Treatment Plant Improvements, City of Albany, OR; Project Engineer

As part of the treatment plant improvements, Brian was responsible for a 68 MGD pump station retrofit that uses a pre-rotation pumping system for flows up to 24 MGD while providing a self-cleaning feature. Additionally, Brian was responsible for converting the gaseous chlorine disinfection system to a hypochlorite system, designing a new chlorine contact basin, designing a plant water pump station facility, and improving the treatment plant outfall to the Willamette River. During construction, Brian was responsible for coordination between design team members for resolution of design interpretations and submittal reviews. Now complete and in operation, the improvements resulted in reduced maintenance requirements and is considered the greatest success of the entire project.

Manhole Replacement Project, Redwood Sanitary Sewer Service District, OR; Project Manager

Brian inspected concrete sewer manholes and performed an alternatives evaluation weighing rehabilitation against replacement. Ultimately, replacement of nine concrete manholes with fiberglass manholes on a 24-inch diameter sewer interceptor was implemented.

Raw Sewage influent Pump Station, Green Sanitary District, OR; Project Engineer

The project provided cost-effective 3 MGD expansion to this 7.5 MGD raw sewage pump station using self-priming pumps. The pumps will serve as peak flow pumps for use in preventing overflows during storm events.

Pine Lodge Pump Station Improvements, Clean Water Services, Washington County, OR; Project Engineer

This project was designed to replace a pump station not meeting current Clean Water Services standards and applicable codes. Continuously high groundwater levels and close proximity to railroad tracks required detailed attention to construction specifications buoyant design. Construction services for the 300 gpm submersible pump station included submittal review, technical assistance, and operation and maintenance manual production.

Sherwood Pump Station Rehabilitation, Clean Water Services, OR; Project Engineer & Construction Manager

This 10 MGD drywell/wet well pump station project eliminated all components within wet wells and included installation of aluminum decking over the wet wells. Various maintenance components such as valve replacement, enhanced wet well ventilation, and bypass system modifications were also included.

Willamette Lift Station Reconstruction, City of Lake Oswego, OR; Project Engineer & Construction Manager

This project included a 5.5 MGD triplex, submersible pump station, using variable frequency drive (VFD) technology. Engineering work included operation and control of the new pump station to minimize dry weather discharge flow to 1,000 gpm and accommodate peak flow of 3,800 gpm. Additional design challenges included compact-site limitations, basalt rock impacts, inability to disrupt existing pump station service, and aesthetically blending with adjacent restaurant building and residential units.

River Road Pump Station, Clean Water Services (CWS), Washington County, OR; Project Engineer & Construction Manager

Urban growth planning dictated the need for a 10.4 MGD pump station, expected to pump only 1 MGD within first five years of operation. Innovative design located a small submersible pump station within the wet well of the ultimate dry well/wet well station. Preliminary plans were produced to initiate the CM/GC process that was used to construct the necessary project components to provide sewer service to a new school on a fast-track schedule. Following a successful first phase of construction, final plans were produced and a contractor was retained to complete the second phase. Second phase efforts included installation of a 32-foot diameter caisson to a depth of almost 60 feet with a control building constructed above pump station.

Forest Grove Wastewater Treatment Plant Aeration Basin Improvements, Clean Water Services, OR; Staff Engineer

Preliminary design included review of existing aeration basin design and detailed assessment of internal components. Analysis of the treatment plant hydraulic profile was completed in an attempt to reduce pumping requirements within the plant. Modifications and repairs to fine bubble diffused air system and baffle walls were completed. A scum control system was installed as well.

Hillsboro Wastewater Treatment Plant Influent Pump Station Emergency Upgrades, Clean Water Services, Washington County, OR; Staff Engineer

Project included designing the replacement of three dry well pumps while integrating two submersible pumps in the wet well to provide a firm pumping capacity of 16 MGD. Access through the station roof was provided to allow removal of pumps from the building. Separate ventilation systems were added for wet and dry well sections of the station. All gases from the wet well were collected for odor treatment.