All Projects

Fulton Pump Station Replacement

A city’s growth comes with an increase in water demand. The City of Portland is anticipating an increase in water demand and is improving one of the most crucial aspects, water pumps. The Fulton Pump Station feeds water throughout the city; however, since its inception in 1922, only the pump has been expanded. The City … Continue reading Fulton Pump Station Replacement

North City Pump Station

Serving roughly 5 square miles with approximately 25,000 people within the cities of Shoreline and Lake Forest Park, the North City Water District has been relying on gravity to distribute water throughout the district. The city was anticipating an increase in future demand with the new light rail stations to be built in the area. … Continue reading North City Pump Station

North Creek Interceptor Sewer Completion

The North Creek Interceptor Sewer is a 2-mile pipeline that has served the Bothell area continuously since 1970. This sewer line has been generally well utilized; however, recent issues with the sewer as well as anticipation for population growth pushed King County to improve its water and sewage infrastructure. One of the projects was the … Continue reading North Creek Interceptor Sewer Completion

OHSU Center for Health & Healing South D/B Tunnel

Oregon Health and Science University (OHSU) is a well known academic institution providing comprehensive health care service as well as educating health professionals and scientists on leading-edge patient care, community service, and biomedical research. OHSU has been doing much good for the area through medical support and is involved in numerous researches, including cancer research. … Continue reading OHSU Center for Health & Healing South D/B Tunnel

Price Agreement for Urgent Rehabilitation of Sanitary and Storm Sewers (PAURSS)

The City of Portland was dealing with an aging sanitary and storm sewer pipelines, which requires immediate rehabilitation. Due to the nature of the project, The City of Portland needed a contract that would move faster than typical contracts, thus shortening the time to move from Project Identification to Issuance of Notice to Proceed. The … Continue reading Price Agreement for Urgent Rehabilitation of Sanitary and Storm Sewers (PAURSS)

Kaneohe-Kailua Sewer Pipeline

 The Kaneohe/Kailua Sewer Tunnel increased the reliability of the aging Windward Oahu sewerage system by conveying flows by gravity from the Kaneohe Wastewater Treatment Plant to the Kailua Regional Wastewater Treatment Plant, replacing an existing pump station and force main system. Additionally, the tunnel will store wet weather flows during heavy rain storms. JWF was … Continue reading Kaneohe-Kailua Sewer Pipeline

Southwest Pipeline Project – Raw Water Intake Caisson, Intake Pipe & Screen

The Southwest Pipeline Project (SWPP) is a regional rural water distribution system which provides potable water service for both domestic and livestock use to the residents of southwest North Dakota. Located adjacent to Renner Bay in Lake Sakakawea in North Dakota, the project site is approximately 300 feet from the banks of the bay. The microtunnel … Continue reading Southwest Pipeline Project – Raw Water Intake Caisson, Intake Pipe & Screen

Rock Creek AWWTF Gravity Thickeners

The Rock Creek Advanced Wastewater Treatment Facility provides wastewater treatment for an area west of Portland incorporating portion of the cities of Hillsboro. Beaverton, Aloha and other nearby areas. Originally constructed in 1977, the plant has continually expanded to keep pace with growth in the community. The scope of this contract consists of two new … Continue reading Rock Creek AWWTF Gravity Thickeners

UV Treatment Facility

In the summer of 2013, the City of Baker City had a cryptosporidium outbreak in their water supply. Baker City residents drink unfiltered surface water and a new water treatment facility was required to meet Environmental Protection Agency Long Term 2 Enhanced Surface Water Treatment rules requiring removal or disinfection of cryptosporidium by October 1, … Continue reading UV Treatment Facility

Ballard Siphon Replacement Rebid

This project included construction of launch and retrieval shafts and 2,100 feet of 114-inch segmentally lined tunnel with an 85.5-inch diameter final liner. Additionally, two existing 36-inch wood stave pipelines were slip-lined with steel liners. Common when the siphon was originally constructed, the original pipes were similar to wooden barrels with metal compression bands holding the … Continue reading Ballard Siphon Replacement Rebid