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Portland Water Bureau

From forest to faucet, we deliver the best drinking water in the world.


1120 SW Fifth Ave, Suite 600, Portland, OR 97204

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October 9, 2013

Perched high above Kelly Butte is the newest piece of equipment which will be used to help construct the new 25-million gallon underground reservoir.

The tower crane, rising 145 feet in the air and installed on the north edge of the reservoir site, is easily visible from the I-205 freeway, SE Powell Boulevard and SE Division Street. In December, a second 118-feet tall tower crane will be erected on the south side of the reservoir site.

Tower cranes are often a common fixture at major construction sites. Atop Kelly Butte, construction crews overseen by Hoffman Construction Company will use the cranes to lift steel and rebar, concrete form work and falsework, large tools and a wide variety of other building materials as the reinforced concrete reservoir takes shape.

The two cranes will be onsite for the remainder of the project.

The construction of the reservoir, along with the intricate network of underground piping, multiple vaults and an overflow basin, will allow Portland to comply with federal rules that will lead to the three Mount Tabor open reservoirs being disconnected from the city’s water system in 2015. The Kelly Butte Reservoir will serve not only east Portland, but it will also supply water to the Washington Park reservoir and southwest Portland area water storage tanks.