The Markosky Engineering Group, Inc. will receive sealed bids at their office located at 3689 Route 711, Ligonier, PA 15658 until 12:00 PM on Friday, September 10, 2021. Bids are requested to provide a qualified malacologist and certified dive team to conduct a freshwater mussel survey on Raccoon Creek for the SR 0018 over Raccoon Creek Bridge replacement project in Potter Township, Beaver County. Interested bidders can request a bid package by calling Jason Harkcom at 724-238-4138.