Forensic Investigation

Single Abstract

343371 - Vibration monitoring and protection of a historic church during adjacent construction operations

Saturday, April 21
8:00 AM - 9:30 AM
Location: 202B

A limited condition survey was performed on an old historic church in Connecticut. The church structure is comprised of brick masonry walls, timber roof framing, and intricate stained glass windows. The existing building walls were observed to be in relatively poor condition, exhibiting cracking, deteriorated mortar joints and loose bricks, as well as visible out-of-plumbness. The stained glass windows at the church were also observed to be in poor condition and were identified to be a major area of concern related to the potential vibration effects which might be caused by construction operations adjacent to the church. Therefore, a monitoring system was developed to keep track of the stained glass window vibrations, as well as pre-existing crack and out-of-plumbness conditions that were observed at the exterior walls. WJE worked with the contractor to alter the means and methods of the work being performed when on-site operations exceeded the vibration threshold limits during the course of the project. The existing church building was successfully safeguarded throughout the project as a result of close monitoring of the building exteriors, as well as protective measures which were executed prior to the start of construction operations.

Dziugas Reneckis

Senior Associate & Associate Unit Manager
Wiss, Janney, Elstner Associates, Inc

n/a

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John Cocca

Senior Associate
Wiss, Janney, Elstner Associates, Inc.

Masters thesis on snow drift loads

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Robert Hannen

Associate Principal
Wiss, Janney, Elstner Associates, Inc

n/a

Presentation(s):

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343371 - Vibration monitoring and protection of a historic church during adjacent construction operations



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