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07ed871f7b
`_is_floor_exposed_to_unheated_space` previously only matched
"U Above unheated space" (semi-exposed floor over a porch / car-park).
Cert 001479 Ext2 §9 lodges "Location: E To external air" — a 1.92 m²
cantilevered exposed timber floor (the upper-storey extension hanging
out over the garden). The worksheet's §3 `Exposed floor Ext2 … 1.92,
1.20, 1.20` pins this surface as U=1.20 via Table 20.
Pre-slice the mapper missed the "external air" lodgement entirely;
`is_exposed_floor=False` routed Ext2's ground SapFloorDimension
through the BS EN ISO 13370 ground-floor cascade (default U≈0.5),
mis-modelling a fully-exposed cantilever as a slab on soil.
Both lodgement strings ("above unheated", "external air") now
trigger the Table 20 path. Function docstring updated; name kept
to minimise the diff (refactor candidate for a future slice).
Cohort 6 certs all still green at 1e-4 (none lodge external-air
floors); cert 001479 cascade SAP 61.90 → 61.93 (+0.03), modest
upward move toward the 69.0094 target.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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| .. | ||
| handler | ||
| tests | ||
| __init__.py | ||
| db_writer.py | ||
| elmhurst_extractor.py | ||
| extractor.py | ||
| local_runner.py | ||
| parser.py | ||
| pdf.py | ||