A school without adequate covered outdoor space loses productive time every time it rains. Assemblies get cancelled, PE classes move indoors, and outdoor learning programmes stall. A permanent covered outdoor learning area solves this by giving your school an all-weather, purpose-built structure that works year-round.

This guide covers everything Victorian school business managers and facilities coordinators need to assess, plan, and procure a COLA structure, from structural options and compliance requirements through to cost drivers and the procurement process.

Key Takeaways

  • A COLA is a permanent, engineered roofed structure built to meet building compliance requirements, not a temporary shade sail or pergola-style structure.
  • Victorian schools need a building permit under the Building Act 1993 for a COLA; government schools are generally exempt from planning permits, but private schools are not.
  • The primary cost drivers for a COLA are span and bay count, roof sheeting type, column height, concrete footings, and stormwater drainage.
  • Trusteel Fabrications manages the full process from design through to construction, removing the need for a school to separately coordinate a builder, engineer, and concreter.

What Is a Covered Outdoor Learning Area (COLA)?

A COLA is one of the most practical infrastructure decisions a Victorian school can make, but it’s also one of the most misunderstood. Here’s what it actually is, and why schools invest in one.

What it actually is

  • A covered outdoor learning area is a permanent, engineered, roofed structure that provides weather protection for outdoor school activities.
  • It is built to meet building compliance requirements and designed to handle the structural demands of a school environment.
  • Unlike a shade sail, a COLA structure uses rigid steel framing, engineered footings, and roofing materials rated to withstand wind loads and long-term UV exposure.

Why schools invest in one

Schools invest in COLAs for two main reasons.

  • Sun protection: The Cancer Council’s recommendations on sun protection advise that schools provide shaded outdoor spaces to reduce UV exposure during peak hours. Department of Education guidelines, including VSBA sun safety policy obligations for government schools, reinforce this requirement at a system level.
  • Operational benefit: a well-designed COLA creates an outdoor classroom, assembly area, or activity space that remains usable in wet weather, reducing timetable disruption and expanding the range of activities a school can run outside.

Common Applications for School COLA Structures

Every school has a different reason for wanting a COLA, and the structure needs to match the reason. Here’s where they tend to earn their place.

  • Assembly areas: A covered assembly area removes weather as a variable for whole-school gatherings. Schools that previously cancelled or relocated assemblies due to rain can run them on schedule.
  • Outdoor classrooms: A permanent outdoor classroom extends teaching space without requiring a full classroom build. It suits flexible learning programmes, science activities, and arts and crafts sessions that benefit from natural light and ventilation.
  • Netball and basketball courts: A court cover extends the usable season for Physical Education and allows competition play to continue through summer and wet weather.
  • Playgrounds and courtyards: Playground shading reduces UV exposure during recess and lunch. A courtyard roof cover also makes the space usable in light rain without requiring students to move indoors.
  • Covered walkways: Connecting buildings with a covered walkway reduces wet-weather movement issues and improves accessibility across the site.

Whichever of these sounds closest to your school’s situation, it’s worth knowing it’s not a theoretical use case. Trusteel has built for every one of them across Victorian schools a Netball Court Cover, an Assembly Area structure, and a Courtyard Roof cover among them, and the specifics of those projects are covered in the case study section below.

COLA Structure Types: Steel Frame, Shade Sail, and Polycarbonate Options

Three main structural approaches exist for school shade structures. Each has a different cost profile, durability, and compliance pathway.

Steel roof structure (permanent, engineered)

  • A rigid steel frame with metal or polycarbonate roof sheeting is the standard approach for permanent school infrastructure.
  • It delivers the structural integrity required to meet wind load requirements under AS/NZS 1170.2 and provides a long service life with minimal maintenance.
  • This is the approach Trusteel builds to as standard.
  • It costs more upfront than a shade sail, but it is built for decades of use and complies with building approval requirements without qualification.

Shade sails

  • Shade sails have a lower upfront cost and can be installed quickly.
  • However, they carry a lower UV rating than rigid roofing, have a shorter lifespan, and are not appropriate for assembly areas or outdoor classrooms where weather protection needs to be reliable.
  • Most shade sails do not meet the structural requirements for a permanent school shade structure and are not a direct substitute for a compliant COLA structure.

Polycarbonate roofing

  • Polycarbonate panels allow natural light through while providing weather protection.
  • This makes them well-suited to courtyards, where a dark steel roof would reduce light too much.
  • Polycarbonate roofing requires more maintenance than steel sheeting over time and can yellow with age, but it remains a practical choice for the right application.

Which one to choose

The choice between these options depends on the application, the site, and the budget. For assembly areas and court covers, where durability and all-weather performance matter most, a steel roof structure is the appropriate choice.

Victorian Compliance: What Approvals Does a School COLA Need?

A building permit is required under the Building Act 1993 (Vic) for a COLA structure at a Victorian school. Building approval cannot be bypassed. The structure must be designed by a registered building practitioner and built to the applicable BCA standards.

BCA classification

  • A COLA is typically classified as Class 10a under the National Construction Code (a non-habitable structure).
  • Where the structure is used as an assembly space and meets the threshold for occupant numbers, Class 9b may apply.
  • The applicable classification depends on use and should be confirmed with a registered building practitioner before design commences.

Planning permit

  • Government schools are generally exempt from planning permits under Clause 62.02 of the Victoria Planning Provisions for buildings and works associated with an existing school.
  • Private schools are not covered by this exemption and must submit a development application to their local council.
  • This distinction is material for private school procurement teams.
  • Confirm the planning status of your site via VicPlan or with your council before engaging a builder.

Wind loading

  • COLA structures in Victoria must be engineered to AS/NZS 1170.2 (Wind Actions).
  • The wind region applicable to the site determines the structural specification required.
  • This is not a standard that can be assumed; it must be assessed for each site.

VSBA requirements

All of this, classification, planning status, wind engineering, and VSBA requirements, is exactly what a registered VBA builder is meant to navigate on the school’s behalf. Trusteel’s VBA registration means building permit applications are managed as part of the project, so the school does not need to separately engage a builder or navigate the permit process. 

How Much Does a COLA Structure Cost?

There is no single price for a covered outdoor learning area. Costs vary significantly based on the structure’s size, design, and site conditions. Providing a useful cost range without a site assessment and design brief is not possible.

The primary cost drivers are:

  • Span and bay count: Wider spans and additional bays increase steel and footing requirements directly.
  • Roof sheeting type: Polycarbonate roofing typically costs more than standard steel sheeting. The choice affects both materials and installation complexity.
  • Column height: Taller columns require larger steel sections and deeper footings.
  • Concrete footings: Footing specification depends on soil conditions, wind loading, and column loads. Poor ground conditions increase footing costs.
  • Guttering and stormwater drainage: A permanent roofed structure must manage rainwater. Stormwater drainage connection adds to the project cost and must be factored into the site assessment.
  • Site access and preparation: Restricted sites, existing underground services, or hard surfaces requiring cutting back add to the installation cost.
  • BAL rating requirements: If the school is in a bushfire-prone area with a Bushfire Attack Level (BAL) rating, materials and construction methods must comply with the relevant BAL standard.

A quote that leaves out footings and drainage will always look cheaper on paper; it just won’t be quoting the structure you actually need. Treating this list as a checklist against any quote you receive is the fastest way to tell whether you’re comparing like with like.

Trusteel COLA Projects: Victorian Schools

Nothing makes the case for a COLA quite like seeing one already standing on a school site. Trusteel Fabrications has built COLA structures for Victorian schools across a range of applications, and the projects below show exactly what that looks like in practice.

  1. Knoxpark Primary: A covered outdoor learning area for assembly and general outdoor use. The structure was designed to integrate with existing site infrastructure and provide a clear-span space suitable for whole-school gatherings.
  2. Ivanhoe Grammar: A custom COLA structure built to the specific design and compliance requirements of a private school environment. The project required a development application to the council, which Trusteel managed as part of the project scope.
  3. Netball Court Cover: A full-width court cover providing weather protection for outdoor competition and PE use; an excellent example of a sports shelter. The span required a structural design that maintained clear internal clearance without obstructing court play.
  4. School Assembly Area: A purpose-built assembly structure providing an all-weather gathering space for student congregation. The structure was designed to BCA requirements and engineered to the site’s applicable wind region.
  5. School Courtyard Roof: A polycarbonate roofing solution for a courtyard space, retaining natural light while providing weather and UV protection. Built with UB columns and OWJ rafters, the design worked within the constraints of the surrounding building envelope.

The COLA Procurement Process for Victorian Schools

A COLA project for a Victorian school moves through the following stages:

  1. Initial brief and site assessment: Trusteel visits the site to assess ground conditions, access, existing structures, and the applicable wind region. The brief establishes the structure’s intended use, size, and roofing type.
  2. Structural design and engineering: A registered engineer produces the structural design to AS/NZS 1170.2 and BCA requirements. For government schools, this stage incorporates VSBA and Department of Education guidelines.
  3. Building permit application: Trusteel prepares and lodges the building permit application with the relevant building surveyor. For private schools, the development application to the council is managed in parallel.
  4. Fabrication: Steel components are fabricated at Trusteel’s Mulgrave facility. Fabrication is in-house, which reduces lead time variability compared to outsourced supply.
  5. Site preparation and concrete footings: Trusteel manages the concrete footing installation. The school does not need to engage a separate concreter.
  6. Installation: The structure is erected by Trusteel’s installation crew. Installation timing is coordinated with the school to minimise disruption to operations.
  7. Project handover: Trusteel provides documentation for the school’s records, including the occupancy permit or certificate of final inspection.

For government schools, VSBA procurement requirements may apply to how the school engages a supplier, so it’s worth confirming the procurement pathway with VSBA before issuing an order.

None of this needs to land on one person’s desk to manage alone. Trusteel has handled the full design-to-construction process for Victorian schools since 1976, which means a business manager or facilities coordinator isn’t the one coordinating a builder, an engineer, and a concreter separately. That single point of accountability removes the most common source of delay on school infrastructure builds.

Wondering what a COLA would actually cost for your school’s site, or which approvals apply to your situation? Get in touch with Trusteel Fabrications and talk it through with the team.

Frequently Asked Questions

What is a COLA structure at a school?

A COLA structure is a permanent, engineered, roofed structure that provides weather protection for outdoor school activities. It is distinct from a shade sail or pergola in that it uses rigid steel framing, engineered concrete footings, and roofing materials designed for long-term structural performance. 

Schools build COLAs to create all-weather assembly areas, outdoor classrooms, and activity spaces. The structure requires a building permit and must be designed by a registered building practitioner to meet BCA and wind load requirements.

Do Victorian schools need council approval or a building permit to build a COLA?

A building permit is required under the Building Act 1993 (Vic) for all permanent COLA structures. For government schools, planning permits are generally not required under Clause 62.02 of the Victoria Planning Provisions. Private schools are not covered by this exemption and must submit a development application to their local council before construction begins. Confirm your school’s planning status via VicPlan or with your local council early in the project.

How much does a covered outdoor learning area cost?

There is no fixed price for a COLA because costs vary by size, span, roofing type, footing specification, and site conditions. The primary cost drivers are span and bay count, roof sheeting material, column height, concrete footings, and stormwater drainage. A detailed quote requires a site assessment and design brief. 

What is the difference between a COLA and a shade sail for schools?

A COLA is a permanent, engineered structure built to comply with building approval requirements and designed for long-term school use. A shade sail is a lower-cost, temporary or semi-permanent structure with a shorter lifespan and a lower UV rating. Shade sails are not appropriate for assembly areas or outdoor classrooms where reliable weather protection is required. A COLA should not be treated as simply a shade sail alternative for applications that require a building permit and structural compliance. 

What are the building and wind load requirements for a school shade structure in Victoria?

Victorian school shade structures require a building permit and must be engineered to AS/NZS 1170.2 (Wind Actions). The applicable wind region for the site determines the structural specification. BCA classification is typically Class 10a for non-habitable structures, though Class 9b may apply where the structure is used as an assembly space. A registered building practitioner must confirm the applicable classification and wind load requirements for each specific site before design commences.