ABSTRACT
In land use planning, overlay zoning is a regulatory tool that creates a special zoning district, placed over an existing base zone(s), which includes special provisions in addition to those in the underlying base zone. The Petroleum Exporting Countries overlay set is applicable to all projects, programs, and portfolios whose planning horizon extends into the next decade all programs are impacted to some degree by PCE constraints. Population factors include any impacts or assumptions regarding changes in demand, demographics, racial composition, immigration, migration, birth rates, or death rates Changes in these factors drastically impact workforces. The overlays provide specific information and guidance to both the program manager and the higher level of management charged with reviewing, approving, and implementing the plans. A series of overlays should be an enterprise-wide requirement and be part of the criteria in addition to return on investment or cost effectiveness or other standard metrics used to select programs and to guide the program manager.
