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Evidence Guide: PMAOPS280 - Interpret process plant schematics

Student: __________________________________________________

Signature: _________________________________________________

Tips for gathering evidence to demonstrate your skills

The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!

From the Wiki University

 

PMAOPS280 - Interpret process plant schematics

What evidence can you provide to prove your understanding of each of the following citeria?

Relate schematic to plant

  1. Match items on schematic with items in plant
  2. Determine relevant pipe and flange schedules
  3. Identify sizes and types of minor equipment
  4. Locate relevant instrument tapping points and control points
  5. Identify direction of flow on schematic and in plant
Match items on schematic with items in plant

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Determine relevant pipe and flange schedules

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Identify sizes and types of minor equipment

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Locate relevant instrument tapping points and control points

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Identify direction of flow on schematic and in plant

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Identify points required to prepare plant

  1. Locate isolation and blanking points for any item of the relevant schematic
  2. Identify drain/vent/purge points for any item on the relevant schematic
  3. Identify trip system elements
  4. Use schematic to check/develop work lists
Locate isolation and blanking points for any item of the relevant schematic

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Identify drain/vent/purge points for any item on the relevant schematic

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Identify trip system elements

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Use schematic to check/develop work lists

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Describe the process with a schematic

  1. Use a schematic as the basis of a description of the process
  2. Describe the process using a manual schematic
  3. Walk through process identifying all plant items in process order
  4. Identify key conditions/variables from a relevant schematic
Use a schematic as the basis of a description of the process

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Describe the process using a manual schematic

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Walk through process identifying all plant items in process order

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Identify key conditions/variables from a relevant schematic

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Assessed

Teacher: ___________________________________ Date: _________

Signature: ________________________________________________

Comments:

 

 

 

 

 

 

 

 

Instructions to Assessors

Evidence Guide

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Relate schematic to plant

1.1

Match items on schematic with items in plant

1.2

Determine relevant pipe and flange schedules

1.3

Identify sizes and types of minor equipment

1.4

Locate relevant instrument tapping points and control points

1.5

Identify direction of flow on schematic and in plant

2

Identify points required to prepare plant

2.1

Locate isolation and blanking points for any item of the relevant schematic

2.2

Identify drain/vent/purge points for any item on the relevant schematic

2.3

Identify trip system elements

2.4

Use schematic to check/develop work lists

3

Describe the process with a schematic

3.1

Use a schematic as the basis of a description of the process

3.2

Describe the process using a manual schematic

3.3

Walk through process identifying all plant items in process order

3.4

Identify key conditions/variables from a relevant schematic

Required Skills and Knowledge

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Relate schematic to plant

1.1

Match items on schematic with items in plant

1.2

Determine relevant pipe and flange schedules

1.3

Identify sizes and types of minor equipment

1.4

Locate relevant instrument tapping points and control points

1.5

Identify direction of flow on schematic and in plant

2

Identify points required to prepare plant

2.1

Locate isolation and blanking points for any item of the relevant schematic

2.2

Identify drain/vent/purge points for any item on the relevant schematic

2.3

Identify trip system elements

2.4

Use schematic to check/develop work lists

3

Describe the process with a schematic

3.1

Use a schematic as the basis of a description of the process

3.2

Describe the process using a manual schematic

3.3

Walk through process identifying all plant items in process order

3.4

Identify key conditions/variables from a relevant schematic

Evidence required to demonstrate competence in this unit must be relevant to and satisfy the requirements of the elements and performance criteria, and include the ability to:

interpret symbols and other drawing elements and explain their relationship to the plant and process

identify critical processes and plant items from a schematic

draw or mark up a schematic and use it to describe main process features and plant items.

Evidence must be provided that demonstrates knowledge of:

standard/common symbols used on schematics

schematic conventions (e.g. with particular reference to crossing and branching lines)

symbols and conventions used by the organisation, if different from common usage

indications of equipment/pipe specifications

indications of process conditions/limits.

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Regulatory framework

The latest version of all legislation, regulations, industry codes of practice and Australian/international standards, or the version specified by the local regulatory authority, must be used, and include one or more of the following:

legislative requirements, including work health and safety (WHS)

industry codes of practice and guidelines

environmental regulations and guidelines

Australian and other standards

licence and certification requirements

All operations to which this unit applies are subject to stringent health, safety and environment (HSE) requirements, which may be imposed through state/territory or federal legislation, and these must not be compromised at any time. Where there is an apparent conflict between performance criteria and HSE requirements, the HSE requirements take precedence.

Items

Items on schematic/in plant include the following:

all major plant items, such as:

vessels

columns

reactors

heat exchangers

minor plant items, such as:

pumps

valves

strainers

filters

instrumentation (local and remote)

Schematics

Schematics are formally drawn, authorised diagrams and are hard copy or electronic.

Schematics have various names, including:

piping and instrumentation diagram (P&ID)

process flow diagram (PFD)

process engineering flow (PEF)

cause and effect diagrams/matrix

Manual schematic includes one or more of the following:

a hand drawn sketch of the part of the process of interest

a mark up of a formally drawn schematic

Symbols

Symbols and conventions used in the schematics for the relevant plant area should be used, and include of one or more of the following:

Australian Standards symbols

the organisation's standard symbols

some other standard system

Points required to prepare plant

Points required to prepare plant include three or more of the following:

isolations

blank/spade/spectacle blind, breakout spool locations

draining

purging

blanketing

venting

ventilating

locating plant, equipment and services - above ground

locating below ground (or otherwise obscured) pipeline and services

Key conditions/ variables

Key conditions/variables include one or more of the following:

normal range of process conditions, such as:

level

pressure

flow

temperature

alarm conditions/values

trip and emergency shutdown (ESD) values