Water

Seismic Evaluation Study of the Valley View and View Acres Reservoirs, Oak Lodge Water District

RH2 evaluated four reservoirs for structural deficiencies and seismic vulnerability for the Oak Lodge Water District in Oak Grove, Oregon. Two of the reservoirs were 5.0 MG partially buried, prestressed concrete reservoirs built in 1965 and 1988. The other two reservoirs were 2.8 MG welded steel reservoirs built in 1966 and 1989. Construction records were [...]

By | 2017-06-05T10:19:23+00:00 September 5th, 2013|Projects, Structural, Water|Comments Off on Seismic Evaluation Study of the Valley View and View Acres Reservoirs, Oak Lodge Water District

Peringer Road to Bear Creek Waterline Extension, City of Central Point

This project consisted of the installation of more than 2,500 linear feet of 16-inch waterline to connect of a new reservoir in the City of Central Point. The waterline needed to cross Bear Creek using open trenching methods, requiring numerous environmental permit conditions from state and Federal agencies. RH2 worked side by side with Central [...]

By | 2017-06-05T10:19:23+00:00 September 5th, 2013|Projects, Water|Comments Off on Peringer Road to Bear Creek Waterline Extension, City of Central Point

Reservoir Siting Study, City of Bellevue

The City of Bellevue Reservoir Siting Study is a meticulous evaluation of alternatives to resolve a projected water storage deficiency. The City of Bellevue’s West Operating Area includes the nucleus of the City’s business and retail center, which has a future build-out demand projection in excess of 20 million gallons of water per day. At [...]

By | 2017-06-05T10:19:23+00:00 March 6th, 2013|Projects, Water|Comments Off on Reservoir Siting Study, City of Bellevue

Reservoir Seismic Valve Upgrade

RH2 design control systems with state-of-the-art technology to protect the client’s water system against catastrophic seismic event. RH2 has extensive experience with the all of the equipment, vendors and, integrators necessary for water system seismic control projects. In the last decade, we have incorporated dozens of different seismic control systems into our reservoir and control [...]

By | 2017-06-05T10:19:23+00:00 March 6th, 2013|Electrical, Projects, Water|Comments Off on Reservoir Seismic Valve Upgrade

Tacoma Water McMillin Reservoir No. 2.

Tacoma Water needed to cover the last of its existing open air storage reservoirs. After an extensive study of various cover options, Tacoma Water decided to construct two 33 MG pre-stressed, strand-wrapped concrete reservoirs inside the footprint of the existing McMillin Reservoir No. 2. Construction of the tanks will result in the world’s largest diameter, [...]

By | 2017-06-05T10:19:24+00:00 February 17th, 2011|Projects, Water|Comments Off on Tacoma Water McMillin Reservoir No. 2.

Crest Reservoir, Treatment and Booster Pump Station

The Northeast Sammamish Sewer and Water District needed a minimum of 500,000 gallons of additional storage, and a booster pump station and transmission main to redirect water to supply the new reservoir. As a result of a public outreach effort, the district decided to design the reservoir as a partially buried, reinforced concrete tank and [...]

By | 2017-06-05T10:19:24+00:00 February 17th, 2011|Projects, Water|Comments Off on Crest Reservoir, Treatment and Booster Pump Station

Lakewood Water District Wholesale Transmission Main

Lakewood Water District planned to construct a new regional transmission main and booster station to deliver wholesale water to nearby purveyors. The first portion of the transmission main is a 24,000 lineal foot ductile iron pipeline in the Parkland area from Tacoma Avenue South to 20th Avenue East. The first 22,000 feet are 20-inch-diameter pipes, [...]

By | 2017-06-05T10:19:24+00:00 February 17th, 2011|Projects, Water|Comments Off on Lakewood Water District Wholesale Transmission Main