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Understanding PS1s: Why Manufacturers and Installers Need Structural Certification Across New Zealand

Updated: Oct 24, 2024

As a manufacturer or installer in New Zealand's construction industry, you already know that compliance is non-negotiable. But have you ever wondered how engaging a structural engineer can not only ensure compliance but also add value to your projects?


One critical aspect where this partnership shines is the Producer Statement 1 (PS1). Understanding what a PS1 is, and how a structural engineer contributes to it, can significantly impact your project's success.


DTCE engineer standing on a roof comparing drawings

What is a PS1 Certification for structural work?

A PS1 certification for structural work, or Producer Statement One—Design, is a professional document prepared by a structural engineer that certifies the structural design of a building project complies with the New Zealand Building Code.


The PS1 provides Building Consent Authorities (BCAs) with assurance that the design has been thoroughly evaluated by a qualified professional.


Why is it important?

The PS1 is crucial because it streamlines the building consent process by allowing BCAs to issue consents confidently without duplicating detailed design or monitoring checks. For manufacturers and installers, this means a smoother approval process and reduced delays. Councils specifically look for PS1s that are completed or reviewed by Chartered Professional Engineers who understand the specific requirements of your project. This professional assurance not only ensures compliance with the Building Code but also enhances the credibility of your work, providing peace of mind to both clients and regulatory authorities.


What does a Structural Engineer do for you?

A structural engineer brings specialised expertise to your project by assessing and designing the structural components to meet safety and compliance standards. This includes:


  1. Expert Analysis: Performs detailed calculations and simulations to assess structural integrity.

  2. Design Optimisation: Suggests material and design improvements to enhance performance and reduce costs.

  3. Regulatory Navigation: Guides you through complex codes and standards like the NZS 1170 series, NZS 3404, and NZS 3604.

  4. Documentation Support: Prepares all necessary documents, including the PS1, to streamline your consent application.

  5. Problem-Solving: Identifies potential issues early, preventing costly delays and rework.

By partnering with a structural engineer, you gain access to specialised knowledge that can elevate the quality and efficiency of your projects.

Relevant New Zealand Codes and Standards

Navigating the maze of regulations can be daunting. Here's where a structural engineer becomes indispensable, helping you comply with essential standards:

  • NZS 1170 Series: Structural Design Actions

  • NZS 3404: Steel Structures Standard

  • NZS 3604: Timber-framed Buildings

  • NZS 3101: Concrete Structures Standard

  • NZS 4229: Seismic Performance of Services

Understanding and applying these standards correctly is crucial for the safety and legality of your projects. 


While PS1s are commonly associated with larger-scale constructions like new houses, apartment buildings, or commercial buildings, they are equally important for specialised projects that can be easily overlooked. Installations such as solar panels, billboards, prefabricated structures, awnings, and canopies involve structural elements that must comply with the Building Code, we've outlined some of the challenges and how an engineer can help below:


Solar panels on top of a roof in New Zealand Countryside

Pedestrians walking underneath a glass and steel canopy


Construction workers talking at a prefabrication factory for a house



A billboard next to a busy street in a city in New Zealand


Benefits of Getting an Engineer Early in the Project

Involving a structural engineer early in your project planning to get a PS1 can offer significant advantages:

  • Time Savings: Early identification of potential issues can prevent delays during the consent process.

  • Cost Efficiency: Avoid costly rework by getting the design right the first time.

  • Smooth Compliance: Streamlines the Building Consent application, reducing back-and-forth with the council.

  • Enhanced Reputation: Delivering projects that meet all regulations boosts your credibility in the market.

Proactive engagement ensures that your project progresses smoothly from conception to completion.

How DTCE Structural Engineers Can Help

At DTCE, we know that every project is unique, and we're here to provide the support you need—wherever you are in New Zealand. Unlike many firms, we take the time to understand your goals before offering solutions, ensuring our advice truly fits your project.

Don't let compliance issues hinder your project's progress. Let us be your trusted partner in navigating the structural certification process.

 

Ready to Get Started?

If you have a project that requires a PS1 or need expert structural advice, contact us today. Let's work together to ensure your project's success from the ground up!



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