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FS

Functional Safety

Functional Safety Training

 

Why is important a Functional Safety Training ?

 

If you are working on or managing an Industrial Workplace, and you are interested in keeping such process in production as long as possible, having insurance support in case of eventualities, so, you are interested in applying FUNCTIONAL SAFETY.

 

FUNCTIONAL SAFETY is the methodology that leads the design, construction, and operation of an Industrial Workplace, protecting people, equipment, and work environments from harm.

 

Industrial Workplaces use powerful machines and automated systems, which can expose operators to severe safety risk.

 

This training course main goal is

 

To aim engineers who work for:

         Engineering companies in the design, selection, installation, and commissioning of a (SIS) Safety Instrumented Systems

         End-user companies who own and/or operate a process plant.

 

The course is not intended for engineers involved in the design of internal hardware for logic solver systems or for the design of field device components by OEMs.

 

The course is prepared to provide participants with a view of the entire safety lifecycle from the users point of view, as part of preparation for a (FS) Functional Safety engineer certification.

 

Learning goals

 

1.       To understand the physical meaning of SIL rating.

2.       Review of IEC-61511 and IEC-61508 standard, applied in a process plant.

3.       To understand SIL determination and SIL verification processes

4.       Meaning and structure of a (SIF) Safety Instrumented Functions.

5.       Verify if the design or implementation of a SIF satisfies a required SIL rating.

6.       To understand and Review a SIL certificate.

 

Course Outline

 

Topic description

Module No.

1

2

3

DAY 1

Introduction

1.                   

Physical meaning of Probability.

2.                   

Probability of Failure of a (SIF) Safety Instrumented Function.

3.                   

Difference between Average Probability and Punctual Probability.

4.                   

Relationship between SIL rating and (PFDavg) Average Probability of Failure on Demand.

5.                   

SIL rating order of magnitude.

6.                   

Is a SIF component suitable for SIL X?

7.                   

Overall Safety Life Cycle.

8.                   

Brief description of methods for SIL determination and SIL verification.

9.                   

Risk Reduction Factor (RRF).

10.               

Layers of protection.

11.               

SIL rating and RRF relationship.

DAY 2

SIL verification, and Safety Channel Architecture (SCA)

 

Safety Life Cycle. Realization Phase. PFD Calculation. SIL Verification

12.               

Differences between LOW and HIGH demand mode.

 

13.               

Failure Model

 

14.               

Basic SIFs structure

 

 

Safety Channel Architectures (SCA).

15.               

Single Elements in Series

 

16.               

XooN, or XooN-M SCA

 

17.               

Identify which is the SCA in use in typical instrument arrangements.

 

18.               

SCA order of magnitude for selection in a SIF design.

 

19.               

Effect of Maintenance Philosophy on PFD calculations

 

DAY 3

Common Cause Failure and Maintenance, PFD calculation shortcut and Examples

 

SIF analysis

20.               

Identify which are the SCAs in use in a SIF design, or implementation

 

 

21.               

Identify when to calculate PFD, and when to calculate PFDavg.

 

 

 

How to estimate Common Cause Failure (CCF)

22.               

Common Cause Failure (CCF) definition.

 

 

23.               

Difference between CCF and Common Mode Failure (CMF).

 

 

24.               

How to estimate the CCF effect in a SCA?

 

 

25.               

Identify where CCF effect appears in a Safety instrumented implementation.

 

 

DAY 4

Apply the PFD calculation shortcut to verify SIL

26.               

Example 01 - SIF with 2oo3 voting logic at transmitters.

 

 

27.               

Example 02 - 3oo4 safety logic, let down station at the end of an offshore pipeline.

 

 

28.               

Example 03 - HIPS SIF with 2oo3 @ Transmitters, and two safety valves.

 

 

 

Methodology

 

This is an instructor led course with interactive classroom discussions and practical examples of implementation of safety systems, and SIL rating calculation.

 

Course Fees and Schedule

 

Course fees are calculated upon Client formal request to: services@LiutioCES.com

 

Calculated fees depend on:

         Client selected course module: 1, 2 or 3.

         Number of participants.

         Selected method to provide training. See Q&A section below.

         Liutaio calculation tools are used during the course for demonstration purposes, but those tools are not included in the course delivery items.

 

Q&A

 

How will LIUTAIO provide training?

 

Choice 1 Remote Meeting via ZOOM.

Choice 2 Remote meeting using Client facilities.

Choice 3 Client pays all travel/Living expenses to allow LIUTAIO representative to provide training services at Client location.

 

What does functional safety help in improving?

 

Functional safety focuses on those aspects that improve safety, detect faults and control failure i.e., minimize uncertainty. Let us dig deeper to understand the two types of fault coverage and the hardware element classification.

 

Who is responsible for functional safety?

 

The workplace or project manager is the one responsible for ensuring that the project reaches its goals. This includes all functional safety goals for any project to which functional safety requirements apply. The project manager is authorized to request resources from the organization.

 

What is an example of a functional safety concept?

 

For example: In an airbag system, the safety goal is that "Airbags should only be deployed during a collision more than 2g". In this example, the sensing system to determine the impact of the collision should be responsible for this safety goal.

 

What is the difference between safety and functional safety?

 

Insulation to protect the system against high temperatures is a safety measure but not a functional safety measure. Both may prevent fire. Now let us work through a further example in more detail. Functional safety inherently means the safe operation of a product during its primary function.

 

What are safety goals and objectives?

 

The goals and objectives should focus on specific actions to improve workplace safety and health. To establish goals, management should: Establish realistic goals for improving safety and health. Goals emphasizing injury and illness prevention should be included rather than focusing on injury and illness rates.