About: http://webisa.webdatacommons.org/118859146

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The time it takes is a function of experience, size of crew, efficiency of crew, attention to detail, prep work, "slop time budget for unanticipated issues, length of work days, etc, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	hvac-talk.com