Key facts
Code summary
Code 4311
Official title Demolition
Version PSIC 2019
Source layer PSA / BSP
Section F - Construction
Cn
PSIC 2019 Navigation-first hub Class 4311 - Demolition
PSIC Class 4311 covers Demolition. Current child subclasses include Demolition. This four-digit layer is useful when comparing neighboring activities before landing on the five-digit subclass most closely aligned with...
Next step
Child codes
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Nearby codes
About this level
Practical summary
Class 4311 sits in the PSIC 2019 hierarchy under F Construction > 43 Specialized Construction Activities > 431 Demolition and site preparation. This class usually fans out into more specific subclasses such as Demolition. It is the level people use when they already know the activity family but still need the exact five-digit match.
Administrative context
Where this code is used
This class is used when a business can already narrow the activity family and only needs to compare the final subclasses such as Demolition. It is the level most often checked before a five-digit decision is finalized.
Selection note
How to choose it
Use this class to choose between its final subclasses such as Demolition. If two options look close, compare the exact activity, the outputs and the way the business actually earns revenue.
Official note
Source-backed description
This class includes demolition or wrecking of buildings and other structures.
FAQ
What does PSIC Class 4311 cover?
PSIC Class 4311 is the four-digit layer that sits just above the final subclasses and usually defines the activity family for Demolition.
How do I compare Class 4311 with the sibling classes?
Read the neighboring classes and compare the exact wording of the child subclasses. Nearby options include 4312 Site preparation.
Why does Class 4311 matter for a filing decision?
It is usually the last broad checkpoint before the five-digit subclass choice, so it is the right place to catch near-miss classifications.