Methodology
Pinal 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
Waterline frontage
Custom method
Front footage on the improved main, per the design report.
- Decided by
- Freeboard demonstration fixture
- Decided at
- Nov 11, 2025, 5:00 PM MST
- Decision note
- Recorded before the roll was computed.
Funding
- Cost subtotal
- $3,220,000.00
- Less grants
- -$1,100,000.00
- Less cash participation
- $0.00
- To be assessed
- $2,120,000.00
- Capitalized interest
- $230,000.00
- Total to bond
- $2,350,000.00
Components
| Details | Component | Construction | Incidentals | Grants applied | Cash participation | To be assessed | Rate per measure | Participants |
|---|---|---|---|---|---|---|---|---|
| Waterline extension | $2,800,000.00 | $420,000.00 | $1,100,000.00 | $0.00 | $2,120,000.00 | $34,754.10 per Equivalent dwelling unit | 61 |
Validation
Calculation reconciliation
Revision demo-ironwood-crossing-phase-1-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
- maricopa-gis county roster
- Roster evidence
- https://gis.mcassessor.maricopa.gov/
- Method decision
- Freeboard demonstration fixture · Nov 11, 2025, 5:00 PM MST
- Plan decision
- Freeboard demonstration fixture · Nov 11, 2025, 5:00 PM MST
- Plan source note
- Component costs and the funding ladder as bid and awarded.
- Calculation
- demo-ironwood-crossing-phase-1-r1 · Freeboard demonstration fixture · Nov 11, 2025, 5:00 PM MST