Construction Classification SystemsBackgroundConstruction Specifications Institute, CSI MasterFormat™OmniClass™ Construction Classification SystemRelation to a Project WBSHighway Construction—CaltransCaltrans WBS DevelopmentPurpose of the Caltrans Standard and GuideStandard Template—Levels of the WBSWhat Would a Generic, Universal Construction WBS Template Look Like?Use of a WBS Template—A Case StudyGSA Enterprise WBSWBS ElementsApplication to an Existing Program—A Third Case StudyCSI MasterFormat™ 2004 Structure