Public starting points
The most useful public anchors are the 2022 Construction Codes, the 2025 Energy Conservation Code, DOB NOW: Build, the DOB NOW Public Portal, special inspections guidance, and the NYC Zoning Resolution where screening or rooftop bulk is involved.
Why this becomes a structural scope
Equipment replacement can change support reactions, anchor geometry, dunnage layout, service clearances, and how loads enter the existing building. That is why rooftop mechanical work often needs building-side structural coordination.
Need project-specific rooftop support review?
Use the rooftop equipment consultation page when the existing support condition is still uncertain.
Open the consultation page