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The cert 000565 ECF pin was a transcription typo. U985-0001-000565.pdf line 593 (Block 1, 11a SAP rating individual heating systems) reads: Energy cost factor (ECF) [(255) x (256)] / [(4) + 45.0] = 5.3868 (257) The pin captured 5.3866 — likely a mis-copy from line 871 / 873 (Nov MIT (92)m = 15.3866). The cascade output 5.386823 matches the worksheet PDF at 4 d.p.; the pin was always 0.0002 wrong against the source. Per [[feedback-verify-handover-claims]], handover narratives are verified against the source PDF; the cascade is correct and the pin was wrong. Test movement: `test_sap_result_pin[000565-ecf]` now passes (diff 0.000023 against the corrected pin 5.3868, within abs=1e-4). Four expected fails remain (cost / CO2 / SH / main_fuel) — closed in the next slice (A_RR_shell rounding per RdSAP 10 §15). Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> |
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| addresses | ||
| data_transformation | ||
| epc | ||
| sap10_calculator | ||
| sap10_ml | ||
| tasks | ||
| postcode.py | ||