Transportation Monocacy Aqueduct > Projects > Monocacy Aqueduct KEY CHALLENGES & PROJECT DETAILS Stabilize the historic C & O Canal Stone Arch Aqueduct over the Monocacy River, originally constructed in 1833 Work included stone masonry repairs to the aqueduct using specialized cementitous pressurized grouting stabilization methods Scour repair Removed temporary bracing system Removed prism fill and restored prism walls Poured structural slab and decorative topping slab Removed and replaced coping stones Replaced mule rail and ornamental fencing With JMT, Corman overcame grouting issues by re-designing a new grouting method involving removal of the arch fill (in sequence) and replacement with a tie rod system and flowable fill Corman’s new grouting method was completed in 6 months at no extra cost to the National Park Service and afforded clear evidence of structural stability Pedestrian traffic was maintained on the structure during the entire project PROJECT DETAILS: Project Owner: US Department of the Interior, National Park Service Location: Dickerson, Maryland DESIGN PARTNER: Johnson, Mirmiran, and Thompson (JMT) Close
KEY CHALLENGES & PROJECT DETAILS Stabilize the historic C & O Canal Stone Arch Aqueduct over the Monocacy River, originally constructed in 1833 Work included stone masonry repairs to the aqueduct using specialized cementitous pressurized grouting stabilization methods Scour repair Removed temporary bracing system Removed prism fill and restored prism walls Poured structural slab and decorative topping slab Removed and replaced coping stones Replaced mule rail and ornamental fencing With JMT, Corman overcame grouting issues by re-designing a new grouting method involving removal of the arch fill (in sequence) and replacement with a tie rod system and flowable fill Corman’s new grouting method was completed in 6 months at no extra cost to the National Park Service and afforded clear evidence of structural stability Pedestrian traffic was maintained on the structure during the entire project PROJECT DETAILS: Project Owner: US Department of the Interior, National Park Service Location: Dickerson, Maryland DESIGN PARTNER: Johnson, Mirmiran, and Thompson (JMT) Close