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Khalim Conn-Kowlessar 6c966ffe2b docs: handover for Table 3c two-profile combi loss → close 4 Elmhurst fixtures 
Rewrites HANDOVER_NEXT.md for the next agent. Two-ticket sequence:

1. Table 3c (immediate): implement SAP10.2 Appendix J §J3 two-profile
   combi-loss formula + route PCDB records with separate_dhw_tests=2
   through it. Closes 000477/000480/000487/000516 from SAP delta
   +1/+12/+11/+12 to delta=0. Currently those fall through to Table 3a
   keep-hot 600 kWh/yr default = ~25× overshoot.
2. RdSAP API integration test (end-state): real RdSAP10 API response
   → EpcPropertyDataMapper → cert_to_inputs → SAP integer == lodged.
   User generating exotic fixtures to pressure-test first.

SPEC_COVERAGE §4 row updated to call out the Table 3c gap. ADR-0010
gains a "Cohort residual hunt + SAP 10.2 rating constants" amendment
documenting the 5 component closures (secondary heating, ventilation
cert lodgement, Table 4f pumps_fans, SAP 10.2 rating constants,
000477 partial) and naming the deferred Table 3c work.

Carries a PCDF parser concern: raw row at index 52 has 13.729 which
looks like F2-annual-kWh but parser reads F2 from fields[55] = 0.0.
Verify field positions per BRE PCDF Spec §7.11 before assuming F2=0.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-22 12:14:00 +00:00
..
CALCULATOR_DESIGN_SKETCH.md ADR-0009: pivot to deterministic SAP 10.3 calculator (Accepted) 2026-05-17 21:27:21 +00:00
HANDOVER_NEXT.md docs: handover for Table 3c two-profile combi loss → close 4 Elmhurst fixtures 2026-05-22 12:14:00 +00:00
HANDOVER_SECTION_6.md docs: handover for §6 Solar gains agent 2026-05-20 19:29:30 +00:00
PARITY_FINDINGS.md Record post-P5 parity-probe baseline (2026-05-19) 2026-05-19 16:19:01 +00:00
pcdb10.dat pcdb slice 1: pcdb10.dat ETL → 8 per-table NDJSON files + parser + 8 tests 2026-05-21 09:43:41 +00:00
pcdb_table_105_gas_oil_boilers.jsonl §4 HW slice 1: PCDB Table 3b combi-loss override 2026-05-21 22:26:41 +00:00
pcdb_table_122_solid_fuel_boilers.jsonl pcdb slice 1: pcdb10.dat ETL → 8 per-table NDJSON files + parser + 8 tests 2026-05-21 09:43:41 +00:00
pcdb_table_143_micro_cogen.jsonl pcdb slice 1: pcdb10.dat ETL → 8 per-table NDJSON files + parser + 8 tests 2026-05-21 09:43:41 +00:00
pcdb_table_313_flue_gas_heat_recovery.jsonl pcdb slice 1: pcdb10.dat ETL → 8 per-table NDJSON files + parser + 8 tests 2026-05-21 09:43:41 +00:00
pcdb_table_353_waste_water_heat_recovery.jsonl pcdb slice 1: pcdb10.dat ETL → 8 per-table NDJSON files + parser + 8 tests 2026-05-21 09:43:41 +00:00
pcdb_table_362_heat_pumps.jsonl pcdb slice 1: pcdb10.dat ETL → 8 per-table NDJSON files + parser + 8 tests 2026-05-21 09:43:41 +00:00
pcdb_table_391_high_heat_retention_storage_heaters.jsonl pcdb slice 1: pcdb10.dat ETL → 8 per-table NDJSON files + parser + 8 tests 2026-05-21 09:43:41 +00:00
pcdb_table_506_heat_interface_units.jsonl pcdb slice 1: pcdb10.dat ETL → 8 per-table NDJSON files + parser + 8 tests 2026-05-21 09:43:41 +00:00
rdsap-10-specification-2025-06-10.pdf ADR-0009: pivot to deterministic SAP 10.3 calculator (Accepted) 2026-05-17 21:27:21 +00:00
sap-10-2-full-specification-2025-03-14.pdf slice S-B9: SAP 10.2/10.3 Table 12 spec-correct prices + Table 12a fix 2026-05-18 15:14:11 +00:00
sap-10-3-full-specification-2026-01-13.pdf ADR-0009: pivot to deterministic SAP 10.3 calculator (Accepted) 2026-05-17 21:27:21 +00:00
SPEC_COVERAGE.md docs: handover for Table 3c two-profile combi loss → close 4 Elmhurst fixtures 2026-05-22 12:14:00 +00:00