MEM20029 — Develop and implement a master key system

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What an assessment for MEM20029 must cover

44 assessable components: 4 elements (15 performance criteria), 14 performance evidence and 15 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Determine job requirements

1.1Follow standard operating procedures (SOPs)
1.2Comply with work health and safety (WHS) requirements at all times
1.3Select and use personal protective equipment (PPE) in accordance with SOPs
1.4Identify job requirements from specifications

2 Assess customer requirements

2.1Consider physical characteristics of existing locks and other security devices and determine requirement for additional site inspection
2.2Discuss customer access and task requirements and clarify in accordance with SOPs
2.3Interpret architectural plans, floor plans and charts when planning and preparing a master key system in line with scope of job requirements
2.4Evaluate customer requirements with respect to current capacity, and make recommendations for the design of new or expanded system
2.5Identify personal limitations in assessing requirements for master key system and seek assistance from appropriate personnel in accordance with SOPs

3 Design master key system and system modifications

3.1Design commercial master key system to meet customer complex access requirements
3.2Check system for interchange based on specifications
3.3Apply principles and processes of master keying in accordance with industry practice and organisational requirements

4 Finalise system design

4.1Review final system design and keying requirements and confirm with appropriate personnel in accordance with organisational requirements
4.2Prepare documentation to allow for future interpretation and design requirements
4.3Prepare documentation, and process and store in accordance with client, legislative requirements and SOPs

Performance evidence

following work instructions, standard operating procedures (SOPs) and safe work practices
discussing customer access and task requirements and clarifying in accordance with SOPs
interpreting architectural plans, floor plans and charts when developing and implementing a master key system
evaluating system and expansion requirements
determining and designing the required structure of a commercial master keying system and key matrix based on customer requirements on at least two occasions
recognising personal limitations in assessing requirements for key and master key systems and seeking assistance from appropriate personnel in accordance with SOPs
undertaking numerical operations and calculations including mathematical patterns associated with developing and implementing a master key system
developing and reading progression charts for in-line key systems using even cut and rotating constant methods, rotating disc, radial pin and pin sidebar key systems on at least two occasions
developing and reading progression charts and selecting codes that maximise system security
identifying incidental masters in a key system, selecting a group of codes to form a maisioned cylinder, determining the maximum number of codes that can be produced and identifying any unused codes in an existing system on at least two occasions
expanding the existing key system by using multi-broached plugs/barrels and by converting the progression from even cut to rotating constant
checking system for interchange, including accidental interchange, in accordance with SOPs
completing all documentation in accordance with SOPs.
Note: Where a volume and/or frequency is not specified, demonstration must be provided at least once.

Knowledge evidence

safe work practices and procedures and use of personal protective equipment (PPE)
ethical considerations in locksmithing work
record keeping and management
types of manufacturer standards, Australian Standards and building standards that impact master key work
product knowledge and limitations
key matrixes and schedules
allowances for expansion
operation and limitations of master key systems
tiers of systems including: keyed different (KD), keyed alike (KA), master key (MK), grand master key (GMK), great grand master key (GGMK)
door handing and cylinder types
principles of construction keying, sub-master keying, cross-keying, selective keying and maison keying
criteria for key code selection
strategies for checking key systems for interchange and incidental masters
strategies for using incidental masters to create sub-master keys, cross-keys and selective keys
strategies for selecting groups of codes to form a maisioned cylinder.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing MEM20029

What does an assessment tool for MEM20029 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM20029 needs to address all 44 unit components: 4 elements with 15 performance criteria, 14 performance evidence requirements, 15 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for MEM20029?

Auditori pulls the current release of MEM20029 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for MEM20029 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM20029 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of MEM20029, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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