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`u_window` hard-coded the 12 mm gap row for pre-2002 double/triple glazing (double 2.8, triple 2.1), ignoring the lodged glazing gap. Table 24 splits the pre-2002 rows by gap: double 6mm=3.1 / 12mm=2.8 / 16mm+=2.7; triple 6mm=2.4 / 12mm=2.1 / 16mm+=2.0 (PVC/wooden), with a metal-frame column (+0.5/+0.5/+0.5 ish). Added a `glazing_gap` parameter + `_glazing_gap_row` helper and wired `w.glazing_gap` through the synthesised-window caller in heat_transmission. Corpus impact nil by design: the gov-API mapper already resolves per-window U gap-aware via `_API_GLAZING_TYPE_GAP_TO_TRANSMISSION` (e.g. code 3 + gap "16+" → 2.7), so corpus certs use that lodged per-window U, not this fallback. This aligns the reduced-field / worksheet fallback path with the mapper and Table 24. Unknown gap still defaults to the 12 mm row. (Metal frames are not distinguishable on the gov-API path — only a `pvc_frame` boolean exists and Table 24 groups PVC+wooden — so the PVC/wooden U stands there; the metal column applies only where frame material is lodged.) Spec-pinned: pre-2002 double + triple gap-row tests. pyright not installed. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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| .. | ||
| __init__.py | ||
| appendix_h_solar.py | ||
| conservatory.py | ||
| dimensions.py | ||
| energy_requirements.py | ||
| fabric_energy_efficiency.py | ||
| fuel_cost.py | ||
| heat_transmission.py | ||
| internal_gains.py | ||
| mean_internal_temperature.py | ||
| mev.py | ||
| photovoltaic.py | ||
| rating.py | ||
| solar_gains.py | ||
| space_cooling.py | ||
| space_heating.py | ||
| utilisation_factor.py | ||
| ventilation.py | ||
| water_heating.py | ||