This project for Washoe County consists of two phases delivered under eight GMPs under a Construction Management-at-Risk delivery model. Phase 1A: Expansion of Huffaker Hills Reservoir. The effluent reservoir was raised 27 vertical feet, providing the Owner with an additional 2,000-acre feet of available effluent storage. Scope included grub and clear, mass excavation and handling / processing 150,000cubic yards of material and placing 1.4 million square feet of liner. The expanded reservoir stores treated effluent during the fall / winter months and distributes it to end users during the spring / summer months for irrigation purposes. Project was completed under budget and ahead of schedule.
Phase 1B: Facility Upgrades and Expansion. Currently under construction this project will expand the existing sewage treatment capacity from an average daily flow of 4.1 MGD to 6.0 MGD. Scope included upgrading / expanding existing headworks, demo abandoned headworks structures, construct new grit removal and blower building, refurbish existing blower building, yard piping, site electrical, construct new Bioreactors3&4 and upgrade existing Bioreactors 1&2, replace digester blowers, site dewatering, upgrades to Export, Field Creek, RAS/WAS and Effluent Pump Stations, and miscellaneous site improvements. Project is currently on schedule for completion in 2025.
“MWH is the CMAR for Washoe County’s Expansion Project at the South Truckee Meadows Water Reclamation Facility. They have been effective and professional in providing pre-construction services. Specifically, the County values their knowledge and recommendations to minimize risk associated with supply chain demands and cost escalation during these unprecedented times.”
The MWH Breckenridge Conference featured 13 insightful presentations, recognizing standout contributions in engineering, innovation, and project leadership. Two teams were selected to join Obayashi’s training program in Tokyo.
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Earlier this year, the City of Saco selected MWH as the Construction Manager At-Risk for the $50M Water Resource Recovery Facility Upgrade project. The project consists of a new treatment building with aerobic granular sludge treatment processes, secondary filtration, and UV disinfection with upgraded grit removal and solids handling, as well as the conversion of existing clarifiers for additional stormwater storage and site grading alterations to mitigate tidal flooding from the adjacent Saco River.
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After a year of meticulous planning and excited anticipation, MWH’s Phoenix Team moved into their new office on June 1, 2023. Let’s take a look around!
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