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Model/tests/domain/sap10_calculator/worksheet
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Khalim Conn-Kowlessar fe3bf4eaed fix(ventilation): read Blower Door AP50 pressure test (Summary) 
SAP 10.2 §2 (17)-(18): a measured/design air permeability at 50 Pa from a
Blower Door test routes infiltration via `(18) = AP50/20 + (8)`, in
preference to the components-based (16) estimate. The Elmhurst extractor
read only the AP4 ("Pulse") column of §12.2, so a Blower Door result
(§12.2 "Pressure Test Result (AP50)") fell through to the structural-
infiltration default — over-counting ventilation heat loss.

Surfaced by simulated case 44 (AP50 4.50): effective air change rate was
0.81 vs the worksheet's 0.58 (+38% ventilation loss). The cascade already
supports `air_permeability_ap50` (preferred over AP4); this wires the read
end to end (extractor → ElmhurstSiteNotes → SapVentilation → cert_to_inputs).

Pinned against the case-44 P960 §2 at abs=1e-4: (18) infiltration 0.3417
(= 4.5/20 + 0.1167) and (25) Jan effective ach 0.5812. Worksheet harness
stays 47/47 0-raised.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-16 23:18:17 +00:00
..
fixtures Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
__init__.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
_elmhurst_fixtures.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
_elmhurst_worksheet_000474.py Merge remote-tracking branch 'origin/main' into feature/bill-derivation 2026-06-05 11:09:00 +00:00
_elmhurst_worksheet_000477.py Merge remote-tracking branch 'origin/main' into feature/bill-derivation 2026-06-05 11:09:00 +00:00
_elmhurst_worksheet_000480.py Merge remote-tracking branch 'origin/main' into feature/bill-derivation 2026-06-05 11:09:00 +00:00
_elmhurst_worksheet_000487.py Merge remote-tracking branch 'origin/main' into feature/bill-derivation 2026-06-05 11:09:00 +00:00
_elmhurst_worksheet_000490.py Merge remote-tracking branch 'origin/main' into feature/bill-derivation 2026-06-05 11:09:00 +00:00
_elmhurst_worksheet_000516.py Merge remote-tracking branch 'origin/main' into feature/bill-derivation 2026-06-05 11:09:00 +00:00
_elmhurst_worksheet_000565.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
_elmhurst_worksheet_001431.py S0380.191: pin simulated 001431 gas-combi end-to-end at 1e-4 (e2e harness) 2026-06-02 22:44:32 +00:00
_elmhurst_worksheet_001431_6035.py S0380.195: pin sim case 4 (6035 floor geometry) e2e at 1e-4 — 6035 +19 PE is lodged divergence 2026-06-03 09:56:39 +00:00
_elmhurst_worksheet_001431_case5.py S0380.197: simulated case 5 e2e fixture — detached sandstone RR validates S0380.196 (RdSAP 10 §3.9.1 + Table 4 p.22) 2026-06-03 11:41:16 +00:00
_elmhurst_worksheet_001431_case6.py S0380.207: promote simulated case 6 to a full SapResult e2e fixture 2026-06-03 16:14:48 +00:00
_elmhurst_worksheet_001431_case7.py S0380.208: case 7 combi e2e fixture — condensing-oil-combi path validated exact 2026-06-03 17:57:22 +00:00
_elmhurst_worksheet_001431_case20.py feat(test): case-20 cascade fixture + close its CO2 via E7 per-end-use codes 2026-06-06 11:23:10 +00:00
_elmhurst_worksheet_001431_case21.py fix(u-value): solid brick as-built U by thickness — §5.7 Table 13 2026-06-06 14:40:06 +00:00
_elmhurst_worksheet_001431_case38.py test(worksheet): pin simulated case 38 — mains-gas secondary reproduces worksheet exactly 2026-06-15 13:31:36 +00:00
_elmhurst_worksheet_001431_case39.py fix(mapper): map Elmhurst "Value known" cylinder to measured volume (code 6) 2026-06-15 23:57:25 +00:00
_elmhurst_worksheet_001431_case43.py test(worksheet): pin simulated case 43 at 1e-4 (RR + dry-line + mixed roof) 2026-06-16 08:26:05 +00:00
_elmhurst_worksheet_001431_case44.py feat(conservatory): §6.1 fabric cascade (27/27a/28a + TFA/volume) 2026-06-16 15:59:26 +00:00
_elmhurst_worksheet_001431_rr.py S0380.193: suspended-floor (12) sealed rule fires only on a SUPPLIED U-value 2026-06-03 09:16:25 +00:00
_elmhurst_worksheet_001431_rr8.py S0380.194: pin sim case 3 (near-exact 6035 replica) e2e at 1e-4 2026-06-03 09:46:56 +00:00
_xlsx_loader.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_appendix_h_solar.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_dimensions.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_e2e_elmhurst_sap_score.py feat(test): case-20 cascade fixture + close its CO2 via E7 per-end-use codes 2026-06-06 11:23:10 +00:00
test_energy_requirements.py S0380.200: SAP 10.2 §9a two-main-heating split (203)/(205)/(207)/(213) 2026-06-03 13:09:43 +00:00
test_fabric_energy_efficiency.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_fuel_cost.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_heat_transmission.py fix(mapper): read the dropped rafter_insulation_thickness API field 2026-06-16 05:04:39 +00:00
test_internal_gains.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_mean_internal_temperature.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_mev.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_photovoltaic.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_rating.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_section_cascade_pins.py fix(ventilation): read Blower Door AP50 pressure test (Summary) 2026-06-16 23:18:17 +00:00
test_solar_gains.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_space_cooling.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_space_heating.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_utilisation_factor.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_ventilation.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
test_water_heating.py fix(water-heating): use lodged cylinder_heat_loss declared-loss factor 2026-06-16 05:27:47 +00:00