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Work continues at Powell Butte Reservoir 2 project

By: Sam Tenney//May 15, 2013//

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Work continues at Powell Butte Reservoir 2 project

Work continues at Powell Butte Reservoir 2 project

Sam Tenney//May 15, 2013//

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California-based is building a 50 million-gallon reservoir in Powell Butte Nature Park for the . The $81 million project is part of a larger $137 project fulfilling a master plan for the site, which is home to another reservoir of equal size constructed in the 1970’s. The project includes the construction of the reservoir and connecting pipelines and vaults, a maintenance building, interpretive center, and caretaker’s house, as well as rebuilding of trails and landscaping.

The first phase of construction was completed in 2010 and involved excavating hundreds of tons of soil to make room for the underground reservoir. A total of 55 subcontractors have so far worked on the project’s current phase, which will ultimately use 6 million pounds of rebar and 53,000 cubic yards of concrete.

The reservoir will begin operating this October, and total project completion is slated for fall 2014.

Carpenters work on a weir wall, part of an overflow structure at the Powell Butte Resorvoirs Project.
Carpenters work on a weir wall, part of an overflow structure at the Powell Butte Resorvoirs Project.
The Powell Butte Reservoirs Project in Southeast Portland will use a total of 6 million pounds of rebar and 53,000 cubic yards of concrete.
The Powell Butte Reservoirs Project in Southeast Portland will use a total of 6 million pounds of rebar and 53,000 cubic yards of concrete.
Concrete on the roof of the new Powell Butte reservoir is wet cured with sprinklers.
Concrete on the roof of the new Powell Butte reservoir is wet cured with sprinklers.
The Powell Butte Reservoirs Project in Southeast Portland will use a total of 6 million pounds of rebar and 53,000 cubic yards of concrete.
The Powell Butte Reservoirs Project in Southeast Portland will use a total of 6 million pounds of rebar and 53,000 cubic yards of concrete.
The new resorvoir at Powell Butte will hold a total of 50 million gallons of water in two separate 25 million gallon cells.
The new resorvoir at Powell Butte will hold a total of 50 million gallons of water in two separate 25 million gallon cells.
The resorvoir features 30-inch concrete floors and 540 30-foot concrete columns.
The resorvoir features 30-inch concrete floors and 540 30-foot concrete columns.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Crews work on the roof of the new reservoir at Powell Butte, which will be buried and landscaped at the project's conclusion.
Crews work on the roof of the new reservoir at Powell Butte, which will be buried and landscaped at the project’s conclusion.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Crews work on a pipe which will drain overflow water from the new reservoir at Powell Butte.
Crews work on a pipe which will drain overflow water from the new reservoir at Powell Butte.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
Work on a new 50 million-gallon reservoir continues at Powell Butte Nature Park in Southeast Portland. The $81 million project for the Portland Water Bureau will supply water to reservoirs in Mt. Tabor and Washington Park.
A house being built for the caretaker of Powell Butte Nature Park is being built as part of the project's conditional use master plan.
A house being built for the caretaker of Powell Butte Nature Park is being built as part of the project’s conditional use master plan.
An new interpretive center and restroom being constructed at Powell Butte Nature Park, along with a maintenence building and caretaker's house, are part of a Portland Water Bureau project to construct a new 50-million gallon reservoir.
An new interpretive center and restroom being constructed at Powell Butte Nature Park, along with a maintenence building and caretaker’s house, are part of a Portland Water Bureau project to construct a new 50-million gallon reservoir.

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