D SPANS CONTRACTOR IS TO SuTPLY APPRCITRIATE SPECS FOR SUBSTITUTED JOIST SYSTEM TO AROINICT AND LOCAL COPE OFFICIAL WOE TO OROERNG MATERIALS USE VITRA HEAVY CREW AT. HNIGERS AT FLUSH OCNOITONS MK 2 I/2" PVC WE OWE FOR FUTURE WE FULLS MOP BRIT. TO ATM N WALLS COEUR W/ OMER PRIOR TO NSTALLATTON