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4c10405071
recommend_floor_insulation(epc, products) detects an uninsulated ground floor (SapBuildingPart.floor_insulation_thickness blank/zero) and its construction from floor_construction_type — 'Suspended timber' -> suspended_floor_insulation, 'Solid' -> solid_floor_insulation — emitting the matching single Option (a floor is one construction, like a cavity wall) with the overlay (floor_insulation_thickness = 100 mm) and a priced Cost (ground-floor area x the Product's fully-loaded unit cost + contingency). - building_geometry.ground_floor_area(epc, identifier): the lowest floor's (floor == 0) area. Pinned 14.85 m^2 on 000490 MAIN. - BuildingPartOverlay gains floor_insulation_thickness (generic Applicator writes it unchanged). suspended (0.20) / solid (0.26) floor contingencies. Progress on #1159 (generator + geometry); end-to-end + Elmhurst pin pending the orchestrator (#1157) and parser. Four behaviour tests (suspended / solid / none / cost) + geometry pin. pyright strict clean. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
"""Behaviour of shared building geometry derived from EpcPropertyData —
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reusable outside the SAP calculator (e.g. for Modelling cost quantities)."""
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from datatypes.epc.domain.epc_property_data import BuildingPartIdentifier
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from domain.building_geometry import (
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gross_heat_loss_wall_area,
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ground_floor_area,
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roof_area,
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)
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from tests.domain.sap10_calculator.worksheet._elmhurst_worksheet_000490 import (
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build_epc,
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)
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def test_gross_heat_loss_wall_area_sums_perimeter_times_height_per_storey() -> None:
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# Arrange
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# 000490 MAIN: floor 0 (perimeter 7.42 m x height 2.95 m) + floor 1
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# (7.42 m x 3.24 m) = 21.889 + 24.0408 = 45.93 m^2. Party walls are
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# excluded by construction (heat-loss perimeter, not total perimeter).
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epc = build_epc()
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# Act
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area: float = gross_heat_loss_wall_area(epc, BuildingPartIdentifier.MAIN)
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# Assert
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assert abs(area - 45.93) <= 0.01
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def test_roof_area_is_the_parts_greatest_floor_area() -> None:
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# Arrange
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# RdSAP10 §3.8: roof area is the greatest of the floor areas on each
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# level. 000490 MAIN has two floors of 14.85 m^2, so the roof is 14.85.
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epc = build_epc()
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# Act
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area: float = roof_area(epc, BuildingPartIdentifier.MAIN)
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# Assert
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assert abs(area - 14.85) <= 0.01
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def test_ground_floor_area_is_the_lowest_floors_area() -> None:
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# Arrange — 000490 MAIN floor 0 total area is 14.85 m^2
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epc = build_epc()
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# Act
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area: float = ground_floor_area(epc, BuildingPartIdentifier.MAIN)
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# Assert
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assert abs(area - 14.85) <= 0.01
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