Key facts
Code summary
Code 422
Official title Construction of utility projects
Version PSIC 2019
Source layer PSA / BSP
Parent 42 - Civil Engineering
Section F - Construction
Cn
PSIC 2019 Navigation-first hub Group 422 - Construction of utility projects
PSIC Group 422 covers Construction of utility projects. Direct children below it include Construction of utility projects. It clusters closely related activities and helps compare nearby classes before choosing the most...
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About this level
Practical summary
Group 422 sits in the PSIC 2019 hierarchy under F Construction > 42 Civil Engineering. This group usually narrows the choice to a small family of classes such as Construction of utility projects. It is useful when two or three neighboring activities look similar but should not be collapsed into one code.
Administrative context
Where this code is used
This group is used when reviewers compare a short list of classes such as Construction of utility projects and need to decide which family is the closest fit. It is common in internal classification review and administrative lookup work.
Selection note
How to choose it
Use this group when the activity sits between similar classes such as Construction of utility projects. The safest choice is the one whose wording matches the actual production, service or operating model most closely.
FAQ
What does PSIC Group 422 cover?
PSIC Group 422 clusters a smaller family of classes under Construction of utility projects and is useful when the business sits between closely related options.
How do I compare Group 422 with sibling groups?
Look at the parent class and the nearby sibling groups. On this page, the most relevant nearby options are 421 Construction of roads and railways and 429 Construction of other Civil Engineering Projects.
Why is Group 422 useful for classification?
It sits at the point where a broad sector is already narrowed enough to compare a small family of similar classes before the final code choice.