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Dam owners, state and local authorities must do a better job of understanding the history of the dams in their inventory as well as preparing for ice runs that could destroy dams like Nebraska's Spencer Dam, which collapsed under the weight of heavy rain combined with cold temperatures and frozen ground last spring.

Davenport, Iowa and the Quad Cities area prepares for expected flooding, while the Bonnet Carre Spillway was opened in Louisiana.

Building on or near wetlands and other environmentally sensitive areas is a known challenge in construction. But a new app seeks to automate much of the wetlands evaluation process and then instantly populate the relevant forms and documentation.

Push comes as pandemic causes steepest 1-month decline in U.K. and Europe construction indexes since 2009 recession, says IHS Markit.