there was a girder collapse on a paedastrian over pass in marcy ny 2003 that was caused due to inadequet diaphram design which allowed the girder to twist during loading , lives were lost and several were injured , the nysdot investigated.information on that structure should be available...
a local contractor poured a monolithic slab radient heat slab over compacted sand(30 x 36)for a private garage. the problem is that the slab is 14" out of square,the building official issued a stop work order untill this is corrected .
the contractor obtained the services of a PE who dictated...
