Financials
Estimates and cost review
Conceptual estimates for the configured home: line-item costs, assumptions, exports, and regeneration history.
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Estimate Review
Conceptual cost
Estimate0018
Line items7
Total conceptual cost$274,365
Conceptual margin$129,135 · 32%
Assumptions
Cost contingencyApplies against estimate rev 1 · edits are revision-guarded
Alternates
Priced optional scopeDocument Review
Estimate exports · est_0018Checking documents
Conceptual estimate for pre-contract review; not a bid, permit document, or construction guarantee.
Estimate rev 1 · generated 2026-07-15 22:14 UTC
Cost Line Items
Takeoffs and line costs
0 lines · est_0018
Loading estimate
| Line | Takeoff qty | Basis unit | Derived unit cost | Confidence |
|---|
| Line | Cost code | Qty | Unit | Unit cost | Calculated | Effective | Override | Markers | Src rev | Trace |
|---|
Select Inspect on a line to open its source trace and override drawer.
Measured Takeoff
Measured takeoff (planning-grade)
Envelope- and convention-based home takeoff: envelope/wall/roof/opening/drywall categories from the declared plan envelope; lot area measured from the lot polygon when present. Framing = plane areas. Elevations and options carry no geometry → honestly absent.
| Category | Quantity | Unit | Basis |
|---|---|---|---|
| Windows | 10 | ea | assumed |
| Exterior man doors | 3 | ea | assumed |
| Overhead (garage) doors | 1 | ea | assumed |
| Total opening area | 295 | sf | assumed |
| Envelope footprint | 2,856 | sf | derived |
| Foundation slab | 2,856 | sf | assumed |
| Exterior wall perimeter (per plate) | 220 | lf | derived |
| Exterior wall length (all plates) | 440 | lf | derived |
| Gross exterior wall area | 4,620 | sf | assumed |
| Wall framing area (plane) | 4,620 | sf | assumed |
| Siding (net of openings) | 4,325 | sf | assumed |
| Exterior wall drywall (net of openings) | 4,325 | sf | assumed |
| Roof area | 3,193 | sf | assumed |
| Roof framing area (plane) | 3,193 | sf | assumed |
| Conditioned floor area | 1,800 | sf | derived |
| Ceiling drywall | 1,800 | sf | derived |
| Interior partition drywall | 3,600 | sf | assumed |
| Elevated floor framing area (plane) | 900 | sf | derived |
| Lot area | 10,830 | sf | measured |
Envelope divergence. Gross envelope vs finished area: envelope footprint (2856 sf) is 3.17x the implied finished footprint (900 sf = 1800 sf / 2 stories). The 25% threshold is an exact-footprint sanity check; envelope-basis quantities (slab, walls, roof) remain a declared upper bound, not a measured home - surfaced, never averaged away.
Assumptions
- openingSchedule: SFD_OPENING_CONVENTION — Declared schematic opening convention (2/bed + 4 common windows; front/rear/garage-house man doors; overhead per garage type) — not a door/window schedule.
- foundationType: slab_on_grade — Slab-on-grade; no footings, thickening, or slab thickness modeled.
- floorToFloorFt: 10.5 — STORY_HEIGHT_FT (scheme-model3d.mjs) — the massing convention shared with 3D so takeoff and massing never disagree; not a designed section.
- roofPitch: 6:12 — SFD_ROOF_PITCH 6:12 -> plan slope factor 1.118; pitch is not modeled on catalog plans.
- partitionDrywallFactor: 2 — Both faces of interior partitions over conditioned area; declared factor, not a measured partition takeoff.
This is planning-grade, not bid-level output.
- Planning-grade, not bid-grade: NOT purchasable, bid-level, or distributor-quote output — no SKUs, no waste factors, no supplier mapping (full-product-requirements.md §2.9).
- Framing quantities are PLANE AREAS, not member counts or structural design.
- Openings are a DECLARED schematic convention, not a door/window schedule; catalog-plan quantities are envelope- and convention-based, declared per quantity.
- Moves NO money: line items, contingency/escalation, summaries, exports, and CSV columns are byte-identical.
- Not a quantity survey, appraisal, or permit determination; drawings remain non-permit-ready.
The cockpit dock TAKEOFF group (scheme-level measured quantities on the Site Studio) is staged for v1.1. The live scheme takeoff is already available to agents and operators through the guarded scheme API.
Material Schedule
Material schedule (planning-grade)
Quote-ready material lines mapped from the measured takeoff and the org material catalog. Base is the converted takeoff quantity; waste is shown as its own component; purchase is base plus waste. Cost bases are the builder’s manual planning figures and are margin-visible only.
| Material | Base | Waste | Purchase | Order | Basis | Unit cost | Extended |
|---|---|---|---|---|---|---|---|
| WIN-V-3x4 · Vinyl window 3'x4' from: windowCountEa | 10 ea | 0% · 0 | 10 | 10 pack-rounded | assumed | $285 | $2,850 |
| DR-EXT-3x7 · Exterior door 3'x7' from: exteriorDoorCountEa | 3 ea | 0% · 0 | 3 | 3 pack-rounded | assumed | $450 | $1,350 |
| OHD-16x7 · Overhead door 16'x7' from: overheadDoorCountEa | 1 ea | 0% · 0 | 1 | 1 pack-rounded | assumed | $1,200 | $1,200 |
| RM-3000 · Ready-mix concrete 3000 psi from: foundationSlabSf 4.0 in slab: (4/12) ft ÷ 27 = 1/81 cy per sf | 35.3 cy | 5% · 1.8 | 37 | 37 | assumed | $185 | $6,849.11 |
| FR-WALL · Wall framing package from: wallFramingAreaSf | 4,620 sf | 10% · 462 | 5,082 | 5,082 | assumed | $7.50 | $38,115 |
| SD-FC-LAP · Fiber-cement lap siding from: sidingNetAreaSf | 4,325 sf | 10% · 432.5 | 4,757.5 | 4,757.5 | assumed | $6.50 | $30,923.75 |
| DW-12-4x12 · 1/2" drywall 4x12 sheet from: exteriorWallDrywallSf 4x12 sheet = 48 sf | 90.1 sheet | 10% · 9 | 99.1 | 100 pack-rounded | assumed | $16.50 | $1,635.39 |
| RF-ARCH · Architectural asphalt shingles from: roofAreaSf 1 roofing square = 100 sf | 31.9 square | 10% · 3.2 | 35.1 | 36 pack-rounded | assumed | $125 | $4,390.38 |
| FR-ROOF · Roof framing package from: roofFramingAreaSf | 3,193 sf | 10% · 319.3 | 3,512.3 | 3,512.3 | assumed | $9 | $31,610.70 |
| DW-12-4x12 · 1/2" drywall 4x12 sheet from: ceilingDrywallSf 4x12 sheet = 48 sf | 37.5 sheet | 10% · 3.8 | 41.3 | 42 pack-rounded | derived | $16.50 | $680.63 |
| DW-12-4x12 · 1/2" drywall 4x12 sheet from: partitionDrywallSf 4x12 sheet = 48 sf | 75 sheet | 10% · 7.5 | 82.5 | 83 pack-rounded | assumed | $16.50 | $1,361.25 |
| FR-FLOOR · Floor framing package from: floorFramingAreaSf | 900 sf | 10% · 90 | 990 | 990 | derived | $8 | $7,920 |
| Material planning total | $128,886.21 | ||||||
Unmapped quantities
- openingAreaSf — informational
- envelopeFootprintSf — informational
- exteriorWallPerimeterLf — informational
- exteriorWallLengthLf — informational
- grossExteriorWallAreaSf — informational
- conditionedFloorAreaSf — informational
- lotAreaSf — informational
Distributor quotes require explicit confidence state, source provenance, estimator review, and supplier/vendor approval before being treated as purchasable or bid-level output.
- This material schedule is not a bid.
- This material schedule is not a purchase order.
- These are the builder's manual planning figures, not supplier pricing.
- The conceptual estimate total and this material planning total are different instruments and are not reconciled.
Rate Coverage
Distance to the sourced-rate floor
No rate-book mapping is configured yet, so no cost code can be sourced. Map cost codes to material items in the rate book to see how close this estimate is to the D5 sourced-rate floor.
Estimate Ledger
Regeneration history
| Estimate | Configuration | Status | Provenance |
|---|---|---|---|
| 0002 | Managed Lot 008 Mrcldpfy | draft | rev 1 · generated 2026-07-08T21:34:53.115Z |
| 0003 | Managed Lot 009 Mrcldpgw | draft | rev 1 · generated 2026-07-08T21:34:53.177Z |
| 0004 | Managed Lot 010 Mrcldphq | draft | rev 1 · generated 2026-07-08T21:34:53.237Z |
| 0005 | Managed Lot 011 Mrcldpin | draft | rev 1 · generated 2026-07-08T21:34:53.300Z |
| 0006 | Managed Lot 008 Mrclwrul | draft | rev 1 · generated 2026-07-08T21:45:43.478Z |
| 0007 | Managed Lot 009 Mrclwrvn | draft | rev 1 · generated 2026-07-08T21:45:43.561Z |
| 0008 | Managed Lot 010 Mrclwrwv | draft | rev 1 · generated 2026-07-08T21:45:43.637Z |
| 0009 | Managed Lot 011 Mrclwrxz | draft | rev 1 · generated 2026-07-08T21:45:43.718Z |
| 0010 | Managed Lot 001 Mrez3q54 | superseded | superseded by 0018 at 2026-07-15T22:14:04.914Z |
| 0011 | Managed Lot 002 Mrez3q6k | draft | rev 1 · generated 2026-07-10T13:32:24.644Z |
| 0012 | Managed Lot 003 Mrez3q7u | draft | rev 1 · generated 2026-07-10T13:32:24.790Z |
| 0013 | Managed Lot 004 Mrez3q96 | draft | rev 1 · generated 2026-07-10T13:32:24.939Z |
| 0014 | Managed Lot 005 Mrez3qao | draft | rev 1 · generated 2026-07-10T13:32:25.096Z |
| 0015 | Managed Lot 001 Mrf0p0yq | draft | rev 1 · generated 2026-07-10T14:14:53.795Z |
| 0016 | Managed Lot 002 Mrf0p199 | draft | rev 1 · generated 2026-07-10T14:14:54.154Z |
| 0017 | Managed Lot 003 Mrf0p1jh | draft | rev 1 · generated 2026-07-10T14:14:54.409Z |
| 0018 · active · viewing | Managed Lot 001 Mrez3q54 | draft | rev 1 · generated 2026-07-15T22:14:04.914Z |
Superseded estimates are retained read-only regeneration history; their CSV exports carry status and superseded provenance columns.