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(1) General. The formula in this section provides the basis for the impact fee schedule for each district serving the county. District capital facilities plans shall include a calculation of its proposed impact fee schedule, by dwelling unit type as provided in SCC 30.66C.100(1), utilizing this formula. In addition, a detailed listing and description of the various data and factors needed to support the fee calculation is included herein.

(2) Determination of projected school capacity needs. Each district shall determine, as part of its capital facilities plan, projected school capacity needs for the current year and for not less than the succeeding five-year period. The capital facilities plan shall also include estimated capital costs for the additional capacity needs, and those costs provide the basis for the impact fee calculations set forth in this section.

(3) Cost calculation by element. The fees shall be calculated on a "per dwelling unit" basis, by "dwelling unit type" as set forth below.

(a) Site acquisition cost element.

{[B(2) x B(3)] ÷ B(1)} x A(1) = Site Acquisition Cost Element

Where:

B(2) = Site Size (in acres, to the nearest 1/10th)

B(3) = Land Cost (Per Acre, to the nearest dollar)

B(1) = Facility Design Capacity

A(1) = Student Factor (for each dwelling unit type)

The above calculation shall be made for each of the identified grade levels (e.g. elementary, middle, junior high and/or senior high). The totals shall then be added with the result being the "Total Site Acquisition Cost Element" for purposes of the final school impact fee calculation below.

(b) School construction cost element.

[C(1) ÷ B(1)] x A(1) = School Construction Cost Element

Where:

C(1) = Estimated Facility Construction Cost

B(1) = Facility Design Capacity

A(1) = Student Factor (for each dwelling unit type)

The above calculation shall be made for each of the identified grade levels (e.g. elementary, middle, junior high and/or senior high). The totals shall then be added and multiplied by the square footage of permanent facilities divided by the total square footage of school facilities, with the result being the "Total School Construction Cost Element" for purposes of the final school impact fee calculation below.

(c) Relocatable facilities (portables) cost element.

[E(1) ÷ E(2)] x A(1) = Relocatable Facilities Cost Element

Where:

E(1) = Relocatable Facilities Cost

E(2) = Relocatable Facilities Student Capacity

A(1) = Student Factor (for each dwelling unit type)

The above calculation shall be made for each of the identified grade levels (e.g. elementary, middle, junior high and/or senior high). The totals shall then be added and multiplied by the square footage of relocatable facilities divided by the total square footage of school facilities, with the result being the "Total Relocatable Facilities Cost Element" for purposes of the final school impact fee calculation below.

(4) Credits against cost calculation - mandatory. The following monetary credits shall be deducted from the calculated cost elements defined above for purposes of calculating the final school impact fee below.

(a) State match credit.

D(1) x D(3) x D(2) x A(1) = State Match Credit

Where:

D(1) = Boeckh Index

D(3) = Square footage of school space allowed per student, by grade span, by the Office of the Superintendent of Public Instruction

D(2) = State Match Percentage

A(1) = Student Factor (for each dwelling unit type)

The above calculation shall be made for each of the identified grade levels (e.g. elementary, middle, junior high and/or senior high). The totals shall then be added with the result being the "Total State Match Credit" for purposes of the final school impact fee calculation below.

(b) Tax payment credit.

{({[(1 + F(1))^10] -1}) / ({F(1)(1+F(1))^10})} x F(2)] x F(3)= Tax Credit

Where:

F(1) = Interest Rate

F(2) = District Property Tax Levy Rate

F(3) = Average Assessed Value (for each dwelling unit type)

(5) Adjustments against cost calculation - elective by district. Recognizing that the availability of other sources of public funds varies among districts, each district may provide an additional credit against school impact fees which the district determines will provide the best balance in system improvement funding within the district, between school impact fees and other sources of local public funds available to the district. This adjustment may reduce, but may not increase, the school impact fee from the amount determined by application of the elements identified above. The adjustment, if any, applied by the district shall be specified within the district’s capital facilities plan adopted by the county.

(6) Calculation of total impact fee.

(a) The total school impact fee, per dwelling unit, assessed on a development activity shall be the sum of:

Total Site Acquisition Cost Element

Total School Construction Cost Element

Total Relocatable Facilities Cost Element minus the sum of:

Total State Match Credit

Total Tax Payment Credit

Elective Adjustment by District expressed in Total Dollars per Dwelling Unit, by Dwelling Unit Type.

(b) The total school impact fee obligation for each development activity pursuant to the school impact fee schedule of this ordinance shall be calculated as follows:

Number of Dwelling Units, by Dwelling Unit Type multiplied by School Impact Fee for Each Dwelling Unit Type less the value of any in-kind contributions proposed by the school developer and accepted by the school district, as provided in SCC 30.66C.150. (Added by Amended Ord. 02-064, Dec. 9, 2002, Eff date Feb. 1, 2003; Amended by Ord. 15-005, Mar. 18, 2015, Eff date Apr. 2, 2015).