Item B-MWMC Proposed SDC - Laserfiche WebLink

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SYSTEM DEVELOPMENT CHARGE METHODOLOGY The project cost allocation methodology provides an equitable basis for determining the projects or portions of projects that are related to growth capacity needs and are, thereby, included in the improvement fee portion of the SDC calculation. The methodology is not tied to a specific list of projects intended to be funded by SDCs (20-year project list), but is intended to provide a consistent framework for allocation of future projects to growth. Each step of the methodology is described below. The general allocation process is also presented graphically in Figure 3. FIGURE 3--PROJECT COST ALLCOATION 20~Year PrOject List STEP M · · ~. STEPI-2 ··~ I STEPI-4 ··~ $ / % of Total Future ~ % of Capacity Allocation Basis Load 0% Expansion The allocation of future projects to facility process components is generally fairly straightforward, as most projects relate directly to an individual component or support the entire treatment system. The refinement of the facility component allocation process for MWMC relates to recognition of peak flow management costs. While it is likely that future project lists will include projects entirely related to peak flow management, it is also likely that portions of projects relating to various aspects of the treatment process (e.g., secondary treatment) will also play a role in future peak flow management. The following question needs to be answered when allocating project costs to facility components: "Which specific facility component does the project expand or improve?" If the project expands or improves more than one facility component, then project costs should be apportioned relative to the expansion or improvement of each applicable component. SEA31003271388(DG).DOC/041040034