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Withhold roof insulation from RIR surfaces the surveyor marked insulation-unknown 🟩

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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Khalim Conn-Kowlessar 2026-07-14 23:17:30 +00:00
parent 7f854e7219
commit 1f1bb8a556
1 changed files with 16 additions and 1 deletions
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17
datatypes/epc/domain/mapper.py
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@ -6014,6 +6014,18 @@ def _pashub_room_in_roof(
if isinstance(roof.insulation_thickness_mm, int)
else None
)
# Newer survey forms ask per surface "Are you able to provide details of
# the insulation …?" — a "No" (fixture 499617935574: loft hatch screwed
# shut) means the roof-space thickness is NOT evidence for that surface,
# which must fall back to the Table 18 col(4) age-band "unknown" default.
# On such a form, surfaces the question never covers (common walls) get
# no threading either. Legacy forms (question absent everywhere) keep the
# unconditional threading above.
form_asks_insulation_known = any(
d.insulation_known is not None
for group in (rir.gables, rir.slopes, rir.common_walls, rir.flat_ceilings)
for d in group or []
)
def _add(
details: Optional[List[RoomInRoofSurfaceDetail]],
@ -6030,12 +6042,15 @@ def _pashub_room_in_roof(
"room-in-roof gable type", str(d.gable_type)
)
surface_kind = _PASHUB_GABLE_TYPE_TO_KIND[d.gable_type]
thickness = insulation_thickness_mm
if form_asks_insulation_known and not d.insulation_known:
thickness = None
surfaces.append(
SapRoomInRoofSurface(
kind=surface_kind,
area_m2=d.length_m * d.height_m,
u_value=d.u_value,
insulation_thickness_mm=insulation_thickness_mm,
insulation_thickness_mm=thickness,
)
)