Mann's Narrows Wall/Rock Slide

The Pennsylvania Department of Transportation (PennDOT) is soliciting bids for slope protection work on State Routes 0322 and 1005 in Mifflin County (Brown and Derry Townships), with bids due October 1, 2026 at 11:00 a.m. at the Commonwealth Keystone Building in Harrisburg. Prequalification is required. The project is federally funded with a 0% DBE goal.

The scope spans approximately 3.71 miles (19,594 feet) and includes 167 rock nails (15 feet in length), rock slope scaling (50 hours), wire mesh slope treatment (2,114 square yards of Geobrugg Tecco), intrusion grout bags (990 cubic feet), scaled material disposal (705 cubic yards), and temporary traffic control, erosion and sediment control, and pavement marking. All iron, steel, manufactured products, and construction materials must be produced in the United States, with limited exceptions for foreign-manufactured products not exceeding $1 million or 5 percent of total applicable costs. Structure work represents 10 percent of project value.

The estimated contract value falls in the $1 million to $2.499 million range. The project is subject to prevailing wage requirements, Buy America and Build America provisions, and Executive Order 11246 compliance. Contractors must submit the Worker Protection and Investment Certification Form (BOP-2201) within seven calendar days after bid opening. The anticipated Notice to Proceed is November 16, 2026, with required completion by August 16, 2027. All addenda will be posted electronically through the ECMS system. The project includes quality control and testing requirements for concrete compressive strength, pavement profiling, and infiltration testing for post-construction stormwater management.