I need to periodically measure/monitor the roof/walls of a 150 year old church for lateral movement (spread), over time (possibly for years). The walls are stone masonry and the roof is framed with timber trusses that appear to have had some modifications at some time in the past. The stone...
Evaluating an existing PEMB from the 1960's. NO eng'g drawings or info other than what can be field measured. Read the previous thread re Fy for Z's from the mid 1970's. Same question for Z's (or C's) from the 1960's. I know this stuff was all proprietary and was all over the board re Fy...