Eliminating project variations and budget blowouts begins as soon as your project does.

Construction costs traditionally occupy a significant amount of time and energy during the procurement process. Yet in our experience at FORGE the greatest budget risks for outdoor infrastructure projects are almost always shaped by decisions and commitments made long before construction ever begins.

While it’s easy to focus on what is being built, it’s unplanned redesigns, compliance surprises, unforeseen ground conditions and disconnects between design and construction intent where agreed budgets frequently come unstuck.

Understanding where these risks originate—and how to address them—is one of the most valuable things any project stakeholder can do.

The real source of budget risk.

When considering an upcoming construction project, attention naturally gravitates toward one question: what will it cost to build? It’s an understandable instinct. Construction costs are visible, tangible and easy to compare. But this focus alone often misses the biggest risks to your project budget.

FORGE has been delivering complex outdoor infrastructure in Australian communities for over 50 years, and one of the clearest lessons from that experience is that the decisions which most significantly shape your final project cost aren’t made during construction. They're made months, sometimes years, earlier.

Scope commitments, site assumptions, design directions and procurement strategies established in the early phases of a project quietly set the financial trajectory for your project long before any construction contracts are awarded. By the time work begins on site, much of your budget destiny is already written—so it’s critical to get things right from the outset.

Above:  Delivery and installation of the 160-metre Casino Suspension Bridge across the Richmond River, re-establishing a vital pedestrian link between the Casino CBD and Queen Elizabeth Park. 

4 common causes of budget blowouts.

Project cost overruns rarely happen simply because a contractor charges more than originally quoted. They can typically be traced back to four common mistakes:

1. Constant redesigns that trigger a chain reaction of variations, with each one further eroding contingency and extending programmes.

2. Unforeseen ground conditions that turn confident estimates into open-ended liabilities.

3. Compliance surprises forcing costly design changes under time pressure.

4. Disconnects between design intent and construction reality when approved documentation doesn’t reflect how something will actually be built in the real world.

The good news is none of these situations is inevitable. They are almost always the result of insufficient investigation and risk resolution early in the project development process.

Above:  The FORGE team reviewing our Methodology to ensure that the common causes of budget overruns are addressed during project development, not during construction. 

The case for rigorous upfront investigation.

Rigorous upfront investigation isn’t always easy. It takes time and discipline at a stage when many stakeholders are eager to move toward tangible progress. While that tension is real and understandable, the cost of unknowns discovered during construction can be far greater than the cost of resolving them before procurement begins.

Upfront clarity benefits everyone involved in the cost-effective delivery of outdoor infrastructure. Councils and asset owners managing public infrastructure. Developers enhancing community amenity. Architects, landscape architects and engineers navigating complex briefs and tight budgets. Greater design certainty means fewer budget risks and fewer unwelcome surprises for everyone involved in your project.

Key considerations for achieving design clarity  

In our experience at FORGE, these are the some of the main factors that deliver the best possible project outcomes.

• Brief Quality — ensuring a project brief is thorough, agreed and signed off early is the single most important step a client can take.
• Stakeholder Alignment — misaligned expectations are one of the most common drivers of costly redesigns.
• Site Investigation — understanding your site early means the design can respond to the project’s reality, removing assumptions from the equation.
• Compliance Clarity — all regulatory requirements should be identified and resolved during design, not discovered during construction on site.
• Design Intent — can what’s been designed actually be built in the real world within the budget?
• Consultant Coordination — unresolved clashes between consultants with differing views and priorities are a frequent source of delays and cost blowouts.
  

Above:  Early design workshops with the FORGE team, refining concepts and developing solutions to address project challenges before construction begins.

How the FORGE Methodology^TM eliminates budget risk  

Traditional project delivery models treat design and construction as separate functions, leaving clients exposed to redesigns, variations and budget overruns. At FORGE, we believe this model isn’t just outdated—it’s broken.

The proprietary FORGE Methodology^TM integrates design, engineering, materiality and construction expertise from day one. Risk is addressed early, cost certainty is established and your vision is protected with a single accountable partner from concept to completion.

For many clients, this process begins with our Design Scoping Package™ service—giving you maximum design and delivery clarity at concept stage with the ability to make early changes long before they incur costly variations. The result is a procurement process built on certainty rather than assumption, and a construction phase that proceeds with fewer surprises, tighter cost control and the confidence that what was promised will be delivered.

Want greater budget clarity on your access projects? Get in touch with the FORGE team today.