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Comprehensive Plan Capital Improvements Element Table 6.16: Service Level Measures for Concurrency Related Facilities Public Facility Category Specific Facility Capacity Measure Demand Measure Geographic Scope Transportation Roadway Volume of cars Peak Season/Peak erected Roadways accommodated over time Direction/Peak Hour Trips Sanitary Sewer Treatment Plant Treatment design Capacity Generation Rate (GPD) Service Area Potable Water Treatment Plant Treatment Design Capacity Generation Rate (GPD) Service Area Solid Waste Landfill Volume in active cell (cubic Generation Rate (tons per Entire County yards) capita per year) Recreation Parks Acres of park land Acres of parks per thousand Entire County population Stormwater Management Drainage Volume of water Volume of stormwater Basin conveyances outfalling for design storm Concurrency requires that each facility within the geographic scope of a proposed project's impact area have sufficient capacity to accommodate the project's demand. If that capacity is not available, the proj ect cannot be approved. The principal function of the concurrency management system then is to provide a mechanism whereby demand and capacity measures can be compared on a project by project basis. Table 6.16 provides the criteria for establishing a demand to capacity comparison for a proposed project. While most of the characteristics are self-explanatory, one needs clarification; this is the geographic scope for the traffic public facility category. For concurrency purposes, affected roadways will be those roadways impacted by a project's traffic. All projects, regardless of size, impact the roadway on which the project fronts. In addition, other roadways further removed from the project are impacted. For concurrency purposes, roadways that gain 5% or more of the project's traffic or 50 or more of the project's generated trips, whichever is less are included. Level -of -service standards for concurrency related facilities are to. apply to all requests for development orders and permits. Level - of -service standards are measurements based on peak -hour trips and based on volume ranges or average travel speed for the peak hour. Demand Demand is an important component of the concurrency management system. Essentially, demand is a measure of facility use. When compared to facility capacity, demand can indicate the level -of -service for the facility. As depicted in Table 6.16, demand can be measured quantitatively for each public facility category. While the demand function for each facility consists of applying a rate to the number of facility users, estimation of total demand is more complex. For concurrency management purposes, demand can be Community Development Department Indian River County 42