What is a Performance Solution?
In the context of the NCC 2022, a Performance Solution is an alternative method for achieving compliance with the building code’s Performance Requirements. Unlike the Deemed-to-Satisfy (DTS) provisions, which provide a prescriptive pathway to compliance, a Performance Solution allows for flexibility in how compliance is achieved. This approach is particularly useful when dealing with unique building designs, site-specific conditions, or when using innovative materials and construction methods.
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When is a Performance Solution Required?
A Performance Solution is typically required when a project cannot fully comply with the DTS provisions of the NCC. For example, consider the following scenarios:
- Ceiling Heights: The NCC generally requires ceiling heights of at least 2.4 meters in habitable spaces. However, in certain renovation or conversion projects, achieving this height might be impractical due to existing structural constraints. A Performance Solution can be developed to demonstrate that a slightly lower ceiling height still provides adequate amenity and safety for occupants.
- Lack of Step Down to Exterior: The NCC mandates a minimum step down from interior habitable spaces to exterior areas to prevent water ingress. If a site’s existing conditions do not allow for this step down—such as in a garage conversion where the floor level cannot be altered— a Performance Solution can propose alternative measures like enhanced drainage systems or weather seals to achieve the same level of protection.
These are just a few examples of where a Performance Solution can be invaluable, providing the flexibility needed to meet compliance without compromising on safety or functionality.
The Process of Developing a Performance Solution Report
At CVL Engineers, developing a Performance Solution Report involves a systematic process:
Assessment of Compliance Departure
We begin by identifying the specific aspects of your project that do not meet the DTS provisions. This step involves a thorough analysis of the relevant Performance Requirements in the NCC 2022.
Site Inspection and Data Collection
Our engineers conduct detailed site inspections to gather all necessary data. This includes evaluating existing conditions, such as ceiling heights, drainage systems, and the presence of protective structures that may mitigate risks like water ingress.
Development of the Performance Solution
Based on the assessment and data collected, we develop a customized solution that addresses the compliance departure. This solution is designed to meet or exceed the Performance Requirements, ensuring that your project is both compliant and safe.
Documentation and Reporting
The Performance Solution is then documented in a comprehensive report. This report outlines the solution, the rationale behind it, and how it meets the NCC’s Performance Requirements. The report is a crucial document for building certifiers and regulatory authorities to review.
Implementation and Follow-up
After the report is completed, we assist with the implementation of the proposed solution. We also provide guidance on ongoing maintenance to ensure long-term compliance and functionality.
Why Choose CVL Engineers?
Choosing CVL Engineers to prepare your Performance Solution Report ensures that your project is handled by experts with a deep understanding of the NCC 2022. Our team is committed to delivering solutions that are not only compliant but also practical and cost-effective.
Whether you’re dealing with a complex building design, such as lower-than-standard ceiling heights, or site-specific challenges like the lack of a step down from habitable spaces to exterior areas, a Performance Solution Report can provide the flexibility you need while maintaining the highest standards of safety and compliance.
Any question? Let's get in touch!
Contact us today to learn more about how CVL Engineers can assist you with Performance Solution Reports and other engineering services.
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May 17, 2021We have engaged CVL for our renovation project of our home. Brian has been incredibly helpful and accommodating to our needs and has given logical and sound advice when required. As owner builder we appreciate that he understands our needs & vision and has greatly assisted. I would highly recommend his services to those interested.
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