SFTY 440_2.2.1_Preliminary Hazards Analysis PHA.docx - SFTY...

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SFTY 440 2.2.1 Assignment: Case Study 1 – Part 2 Preliminary Hazard Analysis (PHA) & Risk Assessment Embry Riddle Aeronautical University PRELIMINARY HAZARD ANALYSIS
Instructions: Use the Risk Matrix on page 20 in the textbook to determine risk assessment codes (RAC). The format is shown on page 89 o fht e textbook. 1. Complete a Preliminary Hazard Analysis (PHA) worksheet with a minimum of five (5) hazardous conditions. 2. Complete a risk assessment, which is an explanation of the hazards listed in your PHA worksheet as shown on textbook pages 81-82. PROGRAM : SFTY 440 DATE : ENGINEER : PAGE : 6 ITE M HAZARDO US CONDITIO N CAUSE EFFECT S RA C ASSESSME NTS RECOMMENDAT IONS 1. Fire T here is every chance that the hydraulic fluid gets heated to high temperatu res. And it is evident that most petroleum -based hydraulic fluids will burn. Create explosion s and burns and injure personnel and property. 1A Frequent risk and the damage can be catastrophic. The explosion created may take live or even multiple lives. Fire protection measures should be installed and personnel should be trained to work with such flammable/ combustible fluid. 2. Loss of Pressure Loss of system pressure can occur in two different ways; loss of fluid or failure of a hydraulic pump. Result in the loss of the hydraulic system and the loss of function of those compone nts that it powers. 1D The risk is remote, it is unlikely to occur. However, if it happens, the consequence can be catastrophic. For example aircraft will lost its flight control. Proper and frequent maintenance is required. Furthermore, redundancy system should also be in placed to back things up. 3. Overheat The system Result in the loss 1B The risk is probable ad Excessive heat is always a warning
exceeds its maximum allowable operating temperatu re, it may begin to cause damage to the seals.

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