The Corps of Engineers announced yesterday that it had awarded a $58.6 million contractor for the construction of a massive lock wall on the lower Monongahela near Charleroi. the project will last four years and involves the demolition of Lock #3.

In other project news, the Pittsburgh Builders Exchange reported that the Fox Chapel Golf Club selected Franjo Construction for its $7 million addition. The Ligonier Valley YMCA decided not to pursue other bids and has chosen A. Martini & Co. for its $7.5 million expansion/renovation. Massaro Design/Build has started work on a new 25,000 sq. ft. warehouse and plant for Synergy Inc. in the Victory Road Business Park in Saxonburg. MBM Contracting was awarded the tenant buildout work for 4Moms at Elmhurst’s 912 Ft. Duquesne Boulevard building.

The Butler Health System is interviewing MBM, TEDCO and Turner on August 28 for a $15 million medical office building at its Butler Hospital campus.