Dr Peta Chirgwin
Dr Peta Chirgwin
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Human Authority-Centered Work Design (HACWD)

 Human Authority-Centred Work Design (HACWD) is the methodology behind every Chameleon Mettle Group engagement. Built from PhD research in mining automation. The framework that connects HAI, CHSAL, and your four-stage assurance program. 

THE METHODOLOGY

Human Authority-Centered Work Design 

The framework that makes human authority a designable property of intelligent systems — not an assumption. 

 HACWD was developed through research into how humans actually work alongside autonomous systems in high-consequence environments. Not how they are supposed to work. How they do.

In mining, energy, and defence, AI and automation are deployed at scale. But work; the design of roles, decisions, authority, and accountability, is rarely redesigned to match. The result is a class of latent risk that technical audits do not find: humans who are accountable for decisions they cannot see, operating systems they cannot always override, in organisations that have no structured way to measure any of it.

HACWD addresses that gap. It provides the framework for designing work, decision authority, governance, and capability in organisations where intelligent systems are part of how work gets done.


The methodology operates across four dimensions:


Work design and role clarity — how work is structured and whether roles reflect actual decision-making responsibilities in an AI-enabled environment.


Human factors and capability — the cognitive, skill, and psychosocial conditions that determine whether operators can exercise effective judgement.


Decision authority and governance — who owns decisions, how automated outputs are treated, and whether accountability is clear when systems fail.


Technology integration — whether intelligent systems were designed around human authority or in spite of it.

Problem: Technology is outpacing how work is designed

  • Decisions are shifting without visibility 
  • Humans are accountable without authority 
  • Cognitive load is increasing in operational roles 
  • AI is introduced without governance frameworks 
  • Psychosocial, Sociotechnical and operational risks are rising

This is not a technology problem. It is a work design and authority problem. 

A structured approach to intelligent systems governance

01 — INVESTIGATE

01 — INVESTIGATE

01 — INVESTIGATE

Understand your current AI, automation, and decision environment with an AI clarity audit.

Applying HACWD to diagnose where human authority is at risk in your current operation. 


02 — DESIGN

01 — INVESTIGATE

01 — INVESTIGATE

Build your intelligent work and decision authority blueprint.

Uses HACWD to redesign work, authority, and governance from the ground up.  

 

03 — ENABLE

01 — INVESTIGATE

03 — ENABLE

Equip leaders through the Executive Fellowship.

Builds leadership capability to govern and lead inside HACWD-designed systems.


04 — ASSURE

01 — INVESTIGATE

03 — ENABLE

Ongoing governance, monitoring, and system assurance.

Maintains HACWD integrity over time through ongoing monitoring and improvement. 


Governance

HUMAN AUTHORITY INDEX (HAI)

The Human Authority Index (HAI) is the measurement instrument that makes HACWD scored and auditable; producing a defensible, evidence-based picture of human authority across three dimensions: Decision Clarity, Cognitive Sustainability, and Psychosocial Safety. 

Developed by Dr Peta Chirgwin, HAI is a governance standard and scoring index for assessing human decision authority in AI-influenced systems. Where ISO standards govern process quality and ESG indexes measure environmental and social performance, HAI measures the one thing neither currently addresses: how much control humans actually retain when machines influence decisions. 


Define human authority before systems define it for you.

Our approach is collaborative and tailored to each client's unique needs. Whether you're looking to improve your operations, streamline your processes, or improve sociotechnical safety, we're here to help. Explore our website to learn more about our services and how we can help your business succeed.

Start with clarity. Lead the shift.

Most organisations start with technology. We start with work
Start with an AuditBook a Briefing

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