John Street United Methodist Church: This 1841 building was investigated for weathering, deferred maintenance, floor load capacity, and the effect of vibrations from the collapse of the World Trade Center three blocks away. An initial report written shortly after 9-11 had indicated the possibility of damage to the structure; field examination was able to show …
Battery Weed, Fort Wadsworth, Staten Island, NY Conditions assessment and feasibility report to repair seawall and refurbish existing pier for a new ferry service to the National Park Service site.
This 1831 structure, built by Henry Bayard and John Tucker, served for over 150 years as a free clinic and is a designated landmark. The original structure includes long-span heavy timber framing and masonry bearing walls; later alterations include cast iron, wrought iron and steel framing. The existing building, empty for six years at the …
Marie Ennis merged her practice with that of Old Structures, starting today as a principal. Marie’s experience in both structural engineering and historic preservation both broadens our experience base and gives us the capacity to handle larger projects.
Don is scheduled to speak at the Sixth International Conference on Structural Analysis of Historic Construction at Bath, UK. The paper will be on the analysis of archaic floor systems used in steel-framed buildings.
