The scenario
A facility team documents a rooftop steel deck platform supporting two HVAC units, with an access ramp from the roof hatch and clear dimensions for service access.
What is in this drawing
Read the decisions behind it.
01
Use a parcel polygon to outline the roof deck site
02
Represent the steel platform and HVAC units as separate structures with distinct fills
03
Model the ramp as a walkway with explicit width and add dimension/callout annotations
Use this template for rooftop mechanical equipment layout plans where steel dunnage, platforms, and access ramps need to be shown on a roof site plan.
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