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Dubuque Alley Project More Costly
DUBUQUE, IA (AP) -- Officials in Dubuque say the cost of building so-called green alleys that would help reduce water runoff in the city is higher than expected but that the overall flood-mitigation project remains under budget.
The Dubuque Telegraph Herald reports city engineering officials say bids for two sets of upcoming alley projects were higher than they projected. One engineer says it's likely because of the limited number of available concrete subcontractors.
Such alleys will be rebuilt to have surfaces that allow water to soak into the soil and reduce runoff that would contribute to flooding. The city of Dubuque's website says about 240 alleys will be rebuilt over the next three years as one phase of its Bee Branch Watershed Project aimed at reducing flash flooding in the area.
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