Editable professional record

BAS-304 Evidence Workbook

Professional evidence workbook

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304-L1 · Interactive

Fan/filter/duct static-pressure story

Required artifact: pressure profile, airflow/current evidence, restriction/fan branches

Identity, source, mode, authority
Hazards, impacts, prohibited actions, stop criteria
Expected normal and acceptance basis
As-found evidence and timestamps
Calculations with units and reasonableness
Hypotheses, contradictions, discriminating test
Action, expected result, abort/rollback
Result, changed case, restoration, as-left
Open risk, owner, due date, defense

304-L2 · Psychrometric/trend lab

Economizer and mixed-air plausibility

Required artifact: OA/RA/MA calculations, damper/proof, freeze/latent considerations

Identity, source, mode, authority
Hazards, impacts, prohibited actions, stop criteria
Expected normal and acceptance basis
As-found evidence and timestamps
Calculations with units and reasonableness
Hypotheses, contradictions, discriminating test
Action, expected result, abort/rollback
Result, changed case, restoration, as-left
Open risk, owner, due date, defense

304-L3 · Dataset

DX cooling and heat-pump symptom separation

Required artifact: air/refrigerant-accessible evidence, staging, defrost/protection, escalation

Identity, source, mode, authority
Hazards, impacts, prohibited actions, stop criteria
Expected normal and acceptance basis
As-found evidence and timestamps
Calculations with units and reasonableness
Hypotheses, contradictions, discriminating test
Action, expected result, abort/rollback
Result, changed case, restoration, as-left
Open risk, owner, due date, defense

304-L4 · Hydronic simulation

Coil/valve/flow/ΔT diagnosis

Required artifact: air/water temperatures, valve/DP/flow evidence, capacity reasonableness

Identity, source, mode, authority
Hazards, impacts, prohibited actions, stop criteria
Expected normal and acceptance basis
As-found evidence and timestamps
Calculations with units and reasonableness
Hypotheses, contradictions, discriminating test
Action, expected result, abort/rollback
Result, changed case, restoration, as-left
Open risk, owner, due date, defense

304-L5 · Trend case

Pump/plant interaction and low-ΔT case

Required artifact: load-flow-temperature trace and alternative causes

Identity, source, mode, authority
Hazards, impacts, prohibited actions, stop criteria
Expected normal and acceptance basis
As-found evidence and timestamps
Calculations with units and reasonableness
Hypotheses, contradictions, discriminating test
Action, expected result, abort/rollback
Result, changed case, restoration, as-left
Open risk, owner, due date, defense

304-L6 · Multi-case

Controls versus mechanical versus balance versus design

Required artifact: classification, responsible role, next safe test

Identity, source, mode, authority
Hazards, impacts, prohibited actions, stop criteria
Expected normal and acceptance basis
As-found evidence and timestamps
Calculations with units and reasonableness
Hypotheses, contradictions, discriminating test
Action, expected result, abort/rollback
Result, changed case, restoration, as-left
Open risk, owner, due date, defense

304-C · Integrated

Rotating multi-system service stations

Required artifact: fault isolation, correction route, verification and service record

Identity, source, mode, authority
Hazards, impacts, prohibited actions, stop criteria
Expected normal and acceptance basis
As-found evidence and timestamps
Calculations with units and reasonableness
Hypotheses, contradictions, discriminating test
Action, expected result, abort/rollback
Result, changed case, restoration, as-left
Open risk, owner, due date, defense