public health

1. Preliminary Hazard AnalysisPreliminary Hazard Analysis
Ricki M Mulia, ST. MSc

2. •Unsafe Act
•Unsafe Condition
HAZARDHAZARD
EXPOSURE
Penyakit
Akibat
kerja
RISK
Kecelakaan
kerja
Higiene
Industri
Kesehatan
Kerja
Keselamatan
Kerja
Ricki M. Mulia

3. HAZARD ANALYSISHAZARD ANALYSIS
Ricki M. Mulia
TWO APPROACH :
A systematic process for identifying hazards and
recommending corrective action.
1. Preliminary Hazards Analysis (PHA)
2. Detailed Hazards Analysis
• Comparative Methods
• Fundamental Method

4. Preliminary Hazard Analysis (PHA)Preliminary Hazard Analysis (PHA)
Ricki M. Mulia
PHA is conducted to identify potential hazards and prioritize them according to :
• the likelihood of an accident or injury being caused by the hazard
• the severity of injury, illness, and/or property damage that could result if
the hazard caused an accident.
PHA in an LPG storage plant
Accident System Hazard Safety relevant
component
Vapor
explosion
Storage
vessel
Formation of an explosive
atmosphere outside storage vessel
due to:
 faulty safety valve
 corroded vessel
 Overpressure
 Safety valve
 Vessel, corrosion
protection
 Pressure gauge,
sprinkler system

5. Ricki M. Mulia
Terimakasih…

6. Ricki M. Mulia
Terimakasih…