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If you work in construction, you’ve probably seen the phrase “or equivalent” in architectural and engineering specifications. It sounds simple — offering flexibility when selecting materials like handrails, balustrades, and access platforms. But what does equivalent really mean?
Does it mean an exact match in function, durability, and compliance? Or just something that looks similar on paper? The reality is, not all products are created equal, and the wrong substitution can lead to unexpected costs, compliance risks, and long-term performance issues.
It’s a common misconception that all pre-engineered access systems are interchangeable. When a lower-cost alternative is used, it might appear identical at first glance — but hidden weaknesses can emerge over time including:
Also known as “or approved substitution,” “or equal,” or “or comparable”, these provisions all imply the same thing: a different product may be used instead of the one specified. But determining what’s truly equivalent isn’t always straightforward.
Here’s what to ask when considering a substitution:
If the answer isn’t a clear yes to all, then it’s not a true equivalent.
Construction projects are under constant pressure to reduce costs. While choosing a cheaper alternative might seem like a good idea upfront, it often comes at a price later:
The most cost-effective choice isn’t always the cheapest option today — it’s the one that performs over years, not just months.
The “or equivalent” provision may seem flexible, but it requires careful consideration. Rushing into substitutions without a thorough evaluation can compromise safety, increase costs, and impact long-term performance. For manufacturers like Moddex, our goal is to provide complete transparency, offering detailed specification sheets, technical resources, and project support to ensure you’re getting a system you can trust.