PDC Chap 10,11

The first responsibility of a chemical engineer according to AIChE is to:

• Accept responsibility for their actions, seek and heed critical review of their work and offer objective criticism of the work of others.

• Act in professional matters for each employer or client as faithful agents or trustees, avoiding conflicts of interest and never breaching confidentiality.

• Hold paramount the safety, health and welfare of the public and protect the environment in performance of their professional duties.

• Build their professional reputations on the merits of their services.

AIChE together with this professional society developed safety standards and reference materials pertaining to these standards.

• ISO (International Organization for Standardization)

• OSHA (Occupational Safety and Health Administration)

• ISA (International Society of Automation)

• CSB (Chemical Safety Board)

It is considered at the various stages of process development and operation

• Process Control

• Process Instrumentation

• Process Design

• Process Safety

These studies are conducted on a periodic basis in order to identify and eliminate potential hazards.

It is the layer of protection that is consists of a safety instrumented system and/or an emergency shutdown system.

• 2nd

• 3rd

• 4th

• 5th

It is a process that considers the potential impact of the change on the safety, environment and health of the workers and the nearby communities.

If these are not functioning properly, they could contribute to serious incidents.

• process instrumentation

• process control systems

• process safety

• process design

It is considered as the first level of protection

• process safety

• process design

• process control

• process instrumentation

The layer of protection that is made up of passive relief devices

• 2nd

• 3rd

• 4th

• 5th

It is an indication that a measurement has exceeded its specified limits

• operator supervision

• operator intervention

• automated response

• alarm