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CMAAMWH Constructors was recently honored with the National Project Achievement Award by the Construction Management Association of America (CMAA). The award recognized the construction management efforts for the Placer County Water Agency‘s L. L. Anderson Dam Spillway Modification Project. The first place award was presented at the CMAA National Conference and Tradeshow Industry Recognition Dinner on October 29, 2013, and was given in the category of infrastructure projects with a constructed value less than $25 million.

The recognition dinner had an outstanding attendance. Andre Tolme, Steve Cabrol and Vik Iso-Ahola from MWH, along with Brent Smith and Jon Mattson from Placer County Water Agency accepted the award on behalf of the project team.

The L.L. Anderson Dam Spillway Modification is located in a remote corner of Placer County, within the Tahoe National Forest. The dam was modified to bring it into compliance with current standards, which mandated that its spillway must pass the recently increased probable maximum flood in order to eliminate the possibility of overtopping failure of the dam. The project involved drilling and controlled blasting, curtain grouting, rock bolting, and construction of a new concrete spillway control structure, installation of two new 36.5-foot radial gates, shotcrete, and dam crest improvements. The project also included many sensitive environmental constraints and accessibility challenges due to its remote location and severe weather impacts. On-site aggregate and concrete production were among the innovative methods employed to complete the project on schedule and under budget with high quality standards meeting regulatory requirements.

The project, designed by MWH, has also received the CMAA Northern California chapter Project Achievement Award, along with multiple awards from American Society of Civil Engineers (ASCE) for project excellence. The construction management team of Andre Tolme, Steve Cabrol, and Larry Haupt were supported by the MWH engineering team including Vik Iso-Ahola, Jennifer Van Pelt, and Stephanie Murphy.

Congratulations to the entire project team for their exceptional efforts on this successful project!