<http://webisa.webdatacommons.org/400510905> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/505934148> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/400510905> . <http://webisa.webdatacommons.org/400510905> <http://www.w3.org/ns/prov#value> "For one thing most of the work is done by the structural engineer and contractor who lay out the basic grid." . <http://webisa.webdatacommons.org/400510905> <http://www.w3.org/ns/prov#wasQuotedFrom> <typepad.com> .