Defence Streamlines Small-Scale Estate Works Contracts

By Darian Macey, August 18 2026

The Micro and Minor Works Contracts simplify procurement below $4 million, but risk remains.

The Defence 2026 Estate Works Program roadshow revealed the most important practical change. It is the planned wider use of two simpler construction contracts. The Micro and Minor Works Contracts will be part of this approach.

• the Micro Works Contract, generally for projects below $2 million; and
• the Minor Works Contract, generally for projects below $4 million.

These are guide values, not automatic rules. Defence can still use the Medium Works Contract for a smaller project where the design, security, access, staging or operational risks justify it.

The change matters because the Estate Works Program is dominated by projects in this part of the market. Defence says EWP projects typically sit between $1.5 million and $4 million, although the wider program can range from $10 thousand to $15 million.

Wider use of the Micro and Minor forms could therefore change the tendering and contract-administration burden across a large share of the program.

The bottom line is simple: contractors should face less paperwork, but they should not mistake a shorter contract for a low-risk job.

What Defence has changed

The Micro and Minor forms are not entirely new. Defence had already published the templates and updated them in early 2026. The roadshow signal is that Defence intends to use them more widely across the Estate Works Program.

Defence has created both templates specifically for Project Delivery Services providers to use when engaging works contractors on lower-value EWP projects. Each combines the request for quotation and the proposed contract in one document. The relevant PDS provider can therefore issue a more compact procurement package and, following selection, use the same document set as the basis of the contract.

That is materially different from the Medium Works approach. A Medium Works procurement uses separate tender documents and conditions of contract, supported by a substantial suite of collateral documents, payment forms, design certificates, deeds, security instruments and notices.

The distinction is best understood as a stepped system:

Defence’s Micro and Minor Works page publishes one combined template for each form. Its Medium Works page publishes separate tender and contract documents, as well as a suite of collateral documents and proforma notices.

What “simpler” means in practice

For contractors, the main benefit should be a reduction in bid and administration cost.

A Medium Works tender can require numerous schedules.

Moreover, these schedules cover experience, personnel, methodology, program, design management, industry policies, security and other compliance matters.

If successful, the contractor enters a highly prescriptive contract.

Additionally, the contract is supported by forms for payment claims, security, design certification, subcontractor and consultant obligations, and dispute processes.

The Micro and Minor forms compress much of this into a smaller set of quotation attachments and contract conditions.

This should make it easier for regional contractors and SMEs to participate.

Additionally, it avoids treating every $1 million refurbishment as though it were a major capital project.

It should also help PDS providers release straightforward work more quickly. That is important in EWP, where the cost of procurement can become disproportionate to the value of the physical works.

However, the savings will only appear if project teams use the forms as intended. A short standard form followed by a long works description, extensive special conditions and a large technical data pack is not a simple procurement. It is a compressed contract with the same complexity hidden elsewhere.

Moreover, the quotation is still a technical submission.

The word “quotation” may create the wrong impression.

However, these are not simple requests for a lump-sum price.

The current Micro template requires a contractor methodology and program.

Furthermore, Defence’s March 2026 Micro Works update inserted a new methodology attachment.

It added a contract clause dealing with that methodology.

It amended the program clause to address the program lodged with the quotation.

That has an important consequence: the delivery approach offered to win the work can become part of the contractor’s performance obligation. A program written to look competitive, rather than to reflect achievable access, procurement and construction periods, may become a problem after award.

The Minor form goes further by asking for the contractor’s resources as well as its methodology. A bidder should expect to identify the people, capacity and delivery approach that will actually be available for the project.

The practical tendering rule is straightforward: do not submit generic methodology, borrowed personnel or an optimistic program merely because the document is shorter.

Commonwealth procurement requirements remain

Defence has simplified the packaging, not removed the Commonwealth policy content.

The January 2026 updates made Commonwealth Procurement Rules compliance a mandatory evaluation matter under both forms. The Micro response asks about labour and ethical employment practices, work health and safety, environmental sustainability, whole-of-life efficiency, applicable standards, benefits to the Australian economy and compliance with the Commonwealth Supplier Code of Conduct.

The Minor form places corresponding questions within its contractor resources and methodology attachment. Defence’s current Micro update notes and Minor update notes also show that both contracts were amended to address applicable standards and Commonwealth publication and reporting requirements.

The current Medium Works tender uses a separate Commonwealth Procurement Rules schedule for similar matters. Its December 2025 update added requirements concerning applicable standards, ethical conduct and the Supplier Code of Conduct.

The message is clear: a smaller contract does not exempt a contractor from demonstrating that it is a responsible Commonwealth supplier. Contractors should prepare concise, current evidence that can be reused across quotations, rather than writing these responses from scratch each time.

What has not disappeared

The shorter forms do not remove the basic risks of delivering construction on a Defence establishment.

Contractors still need to understand:

• who the contracting parties are and who is authorised to issue directions;
• the exact scope and order of precedence of the contract documents;
• site access, security, inductions and working-hour restrictions;
• design, temporary works and coordination responsibilities;
• the standard of work and the approvals needed for completion;
• the program, completion date and any exposure to delay damages;
• how extensions of time must be notified and assessed;
• how variations must be instructed, priced and recorded;
• payment-claim requirements;
• insurance, indemnity and liability settings;
• defects and handover obligations; and
• termination and dispute rights.

These issues can be more significant on a small project because the allowance for administration is smaller. One delayed pass, undocumented variation, outage constraint or asbestos discovery can consume the margin on a 700,000 job far more quickly than on a20 million project.

The risk is not the number of pages. It is whether the contractor has priced and programmed the obligations contained in the works description, contract details, attachments and referenced Defence requirements.

The Medium Works form remains a different proposition

Defence describes Medium Works as a fixed-time, lump-sum contract for construct-only or design-and-construct projects. It is streamlined when compared with the Head Contract, but it remains a demanding form.

The current Medium Works package includes separate templates for unconditional undertakings, collateral warranties, consultant and subcontractor deeds, design certificates, payment claims, payment statements and expert determination. This creates a level of downstream contracting and administration that is not visible on the Micro and Minor template page.

An overview published by construction law firm Turtons describes the Medium Works form as highly prescriptive. It highlights the role of the Contract Administrator, design obligations that may be express or implied by the works description, restricted extension-of-time entitlements, a narrow definition of latent conditions, Defence-specific handover requirements and strict administration of notices and claims. The article discusses an earlier version of the template, so it should be read with the current Defence documents and update notes, but it remains a useful explanation of the form’s commercial character. Read the Turtons overview.

This is why the choice of contract matters. Moving a straightforward package from Medium to Minor or Micro can reduce real overhead. It can also make the opportunity more accessible to contractors without a large bid and contract-administration team.

But a lower-value project should not be forced into Micro or Minor where its risk profile does not fit. A live operational site, material design responsibility, extensive service isolations, hazardous materials, security restrictions or tight shutdown windows may justify the Medium form even when the construction value falls below the guide threshold.

What contractors should do now

Contractors pursuing Estate Works should build separate response and delivery systems for each form.

For Micro Works (below $2 million), prepare a compact quotation kit containing:

• a short, project-specific methodology;
• a realistic program that includes access, approvals and long-lead items;
• concise evidence addressing the Commonwealth procurement questions;
• current licences, insurances and safety material; and
• clear qualifications or requests for clarification where the scope is incomplete.

For Minor Works (between $2 million and $4 million), add:

• named personnel and confirmed availability;
• relevant project examples;
• subcontractor and supplier capacity;
• a clearer approach to management, quality and stakeholder coordination; and
• a more developed review of design, staging and operational constraints.

For both forms, the contract review should still identify notice periods, delay exposure, variation rules, payment requirements, completion evidence, defects obligations and any project-specific amendments. Do not rely on a review completed for another EWP tender. The template may be familiar while the risk has shifted into the works description or special conditions.

Contractors should also avoid using a full Medium Works response as their default. It will add bid cost and may bury the answer Defence has actually requested. The aim is not to submit more material. It is to submit the right evidence, in the required place, without creating commitments the delivery team cannot meet.

What this means for the EWP market

If Defence and its PDS providers use the new hierarchy properly, the Micro and Minor forms should lower the cost of competing for smaller Estate Works projects and create a more proportionate route to market.

That could benefit regional, Indigenous and specialist contractors that can deliver the work but cannot justify a Medium Works bid effort for every opportunity.

There is a less comfortable side. A simpler RFQ also makes limited tendering easier to run. Contractors cannot assume that every forecast EWP project will appear as a fully open Medium Works tender on AusTender. Relationships with the relevant PDS provider, a clear statement of capability and evidence of recent performance may become more important in deciding who receives an invitation.

The opportunity is therefore real, but it is not passive. Businesses need to know which contract form is likely, be ready to respond efficiently and understand the obligations before pricing.

Bottom line

The introduction of Micro and Minor Works as active EWP delivery tools is a sensible change. The Medium Works Contract is too heavy for many straightforward projects below $4 million.

But the wrong conclusion is that smaller Defence projects are becoming informal or low risk.

The tender package is shorter. The obligation to deliver safely, securely, compliantly and on time remains. Contractors that recognise the difference should be able to reduce bid cost without underpricing the job. Those that treat a combined RFQ and contract as a purchase order may discover the risk only after award.

This article provides general market commentary, not legal advice. Contractors should review the complete tender and contract documents, including project-specific particulars, special conditions and referenced requirements, before submitting a quotation.

Author: Darian Macey

Darian is a former Engineering Officer with the RAE with tertiary qualifications in Engineering and Project Management. He is a leading practitioner within Australia's NSI sector with previous employment in Government, project management and building contractor organisations.