Methodology
La Paz County, AZ · How project cost becomes unit obligation
Readiness
The assessment methodology is decided
The named method and its rationale are recorded as an accountable project decision.
The ratio threshold is decided
The threshold used for every assessment-unit test is recorded as an accountable project decision.
Method
EDU-proportional assessment
Custom method
Each rev 1E cost component is apportioned independently across member assessment units in proportion to its stated EDU.
- Decided by
- Freeboard importer
- Decided at
- Aug 20, 2026, 5:00 PM MST
- Decision note
- Reproduced from rev 1E; not a new legal determination. The workbook establishes EDU-proportional allocation but does not establish the design-report derivation of the library method.
Funding
- Cost subtotal
- $36,188,258.30
- Less grants
- -$10,550,515.50
- Less cash participation
- $0.00
- To be assessed
- $25,637,742.80
- Capitalized interest
- $2,309,888.83
- Total to bond
- $27,947,631.63
Components
| Details | Component | Construction | Incidentals | Grants applied | Cash participation | To be assessed | Rate per measure | Participants |
|---|---|---|---|---|---|---|---|---|
| Zone 1 | $7,661,886.38 | $1,379,139.55 | $2,635,868.34 | $0.00 | $6,405,157.59 | $5,903.37 per Equivalent dwelling unit | 936 | |
| Zone 2 | $7,618,661.88 | $1,371,359.14 | $2,620,998.09 | $0.00 | $6,369,022.93 | $5,870.07 per Equivalent dwelling unit | 936 | |
| Zone 3 | $4,421,568.25 | $795,882.28 | $1,521,123.02 | $0.00 | $3,696,327.51 | $3,406.75 per Equivalent dwelling unit | 936 | |
| WWTP | $10,965,899.00 | $1,973,861.82 | $3,772,526.05 | $0.00 | $9,167,234.77 | $8,449.06 per Equivalent dwelling unit | 936 |
Validation
Calculation reconciliation
Revision buckskin-phase-5-6-rev-1e-r1 matches the current methodology, plan, and saved working inputs.
Basis intake
Basis file intake
Bring EDU, frontage, and participation tags into the working assessment from a neutral CSV. Freeboard previews every source row and records accepted bytes as evidence before Roll recomputation.
Traceability
Decision and source chain
- Roster source
- 2026-08-20-phase-5-6-ownership-info-rev-1e.xlsx, 1E
- Roster evidence
- Evidence buckskin-phase-5-6-rev-1e-workbook; SHA-256 2dc44a1c2ddf43a787fefa40d4eb68c3916bdc3acef029f761485e7eda07468c.
- Method decision
- Freeboard importer · Aug 20, 2026, 5:00 PM MST
- Plan decision
- Freeboard importer · Aug 20, 2026, 5:00 PM MST
- Plan source note
- Reproduced from rev 1E; not a new legal determination. Uses four EDU-proportional components, district grants, and capitalized interest.
- Calculation
- buckskin-phase-5-6-rev-1e-r1 · Freeboard importer · Aug 20, 2026, 5:00 PM MST
- Imported workbook
- 2026-08-20-phase-5-6-ownership-info-rev-1e.xlsx, 1E, sheet PHASE 5-6
- Imported evidence
- buckskin-phase-5-6-rev-1e-workbook; SHA-256 2dc44a1c2ddf43a787fefa40d4eb68c3916bdc3acef029f761485e7eda07468c
- Methodology source cells
- T13, T15:T974, V15:Y973
- Methodology source handling
- derived-custom-methodology-decision: Rev 1E component formulas allocate each row by its EDU over total EDU. This supports the custom reproduction decision, not adoption of a named library method.
- Plan source cells
- T13, T15:T973, AD3, AH3, AA4, AH3:AH6, B15:B973, AD4, AH4, AD5, AH5, AD6, AH6, Y6, AA6, AD15:AD973, Y7, AA7, AA9, AE15:AE973, AF15:AF973