Key facts
Code summary
Code 4220
Official title Construction of utility projects
Version PSIC 2019
Source layer PSA / BSP
Section F - Construction
Cn
PSIC 2019 Navigation-first hub Class 4220 - Construction of utility projects
PSIC Class 4220 covers Construction of utility projects. Current child subclasses include Construction of Utility Projects. This four-digit layer is useful when comparing neighboring activities before landing on the...
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Child codes
These are the next codes most users should open after this hub page.
About this level
Practical summary
Class 4220 sits in the PSIC 2019 hierarchy under F Construction > 42 Civil Engineering > 422 Construction of utility projects. This class usually fans out into more specific subclasses such as Construction of Utility Projects. 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 Construction of Utility Projects. 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 Construction of Utility Projects. 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 includes the construction of distribution lines and related buildings and structures that are integral part of these systems. This class includes: Construction of civil engineering construction for: long-distance pipelines, communication and power lines; urban pipelines, urban communication and power lines, ancillary urban works; water main and line construction; irrigation systems (canals); reservoirs Construction of: sewer systems, including repair; sewage disposal plants; pumping stations and power plants. Water well drilling This class excludes: Project management activities related to civil engineering works, see 7110. pipelines 429 4290 42900 Construction of other civil engineering projects This class includes: Construction of industrial facilities, except buildings, such as: refineries and chemical plants Construction of: waterways, harbor and river works, pleasure ports (marinas), locks, etc.; dams and dikes Dredging of waterways Construction work, other than buildings, such as: outdoor sports facilities Land subdivision with land improvement (e.g. adding of roads, utility infrastructure etc.) This class excludes project management activities related to civil engineering works, see 7110.
FAQ
What does PSIC Class 4220 cover?
PSIC Class 4220 is the four-digit layer that sits just above the final subclasses and usually defines the activity family for Construction of utility projects.
How do I compare Class 4220 with the sibling classes?
Read the neighboring classes and compare the exact wording of the child subclasses. Nearby options include nearby sibling codes.
Why does Class 4220 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.