Scope and inputs to reconcile
Identify drain types, domes/strainers, receivers, clamps and specified insulation accessories. Separate primary and overflow components where shown.
Workflow and checks
Count roof-plan tags, match them to drain schedules, then reconcile vertical leaders and connection details with the storm piping takeoff.
What the output should show
Produce a tagged drain/accessory register and measured connections, identifying roofing/plumbing responsibilities.
Exclusions and unresolved decisions
Roof drainage design, overflow capacity, flashing and roofing warranty responsibilities require project confirmation.
Documents to share for a quote
Provide roof plans, roof/drain details, schedules and the storm riser diagram.