Capacity analysis and condition assessment of the Mill Creek sanitary pump station to support rehabilitation planning and address flooding-related deficiencies.
Design services for rehabilitation of the Abrams Park sanitary pump station in Ridgefield, Washington, including hydraulic analysis and upgrades to the wetwell, mechanical, and electrical systems.
Hydraulic evaluation of multiple sanitary pump stations along Hillhurst Road to address operational challenges and recommend pump upgrades and replacements.
Under an ongoing on-call contract, Grayling is providing engineering services for multiple water, sewer, and stormwater main replacement projects supporting the City’s long-term infrastructure renewal program.
Designed replacement of approximately 600 feet of undersized 6-inch sewer main with new 8-inch pipe along South 7th Avenue between Pioneer Street and Shobert Lane to improve system capacity and reliability.
Replacement of two aging wood reservoirs with new aboveground storage tanks and pump stations to improve water system reliability, storage capacity, and fire flow.
Updated the District’s Capital Improvement Plan, integrated projects into a new water rate structure, and completed predesign for a new 3.0 MG reservoir to support long-term system reliability and storage capacity.
Preliminary design for replacement of the aging potable water system at Millersylvania State Park, including a new reservoir, booster pump station, and upgraded distribution mains.
Since 2019, Grayling has supported Clark Regional Wastewater District with pump station rehabilitation, replacement, and targeted sewer main improvements.
This $20 million, multi-year project expands wastewater capacity along the Discovery Corridor with over 17,000 feet of 22-inch force main as part of the District’s long-term infrastructure strategy.
Predesign and design of a new 3.0 MG Sylvan Hill reservoir to expand storage capacity while balancing constructability, water quality, and cost efficiency.
Design of a replacement submersible sanitary pump station with new valve vault and electrical controls to improve reliability and reduce maintenance for the City of Warrenton’s wastewater system.
Design of a sanitary pump station to serve the Crestview Green subdivision and provide capacity for future growth in the surrounding sanitary basin.
Replacement of aging steel water mains in Carson with new 12-inch and 8-inch C900 PVC pipelines, including HDD crossing under Carson Creek.
Design of a new 1.2-MG welded steel reservoir to double storage capacity in the Hockinson zone, including multidisciplinary coordination of tank, structural, and coating systems.
Design and replacement of aging waterlines along Loop Road, Vancouver Avenue, and Ryan-Allen Road to improve reliability of the City’s drinking water system.
Replacement of the Hampton storage facility with a new 220,000-gallon welded steel reservoir to address sanitary survey deficiencies and improve system reliability.
Replacement of aging and undersized water mains in downtown Ridgefield through CDBG funding to improve system reliability and capacity.
Pre-design and planning for replacement of an aging 125,000-gallon water tank, including hydraulic evaluation, site selection, permitting, final design, and construction services.