Generate a marked-up electrical single-line diagram overlay for a 27-story mixed-use tower identifying selective coordination gaps between 480 V main-tie-main switchgear and downstream 208 V panelboards to satisfy NFPA 70 compliance

Generate generate a marked-up electrical single-line diagram overlay for a 27-story mixed-use tower identifying selective coordination gaps between 480 v main-tie-main switchgear and downstream 208 v panelboards to satisfy nfpa 70 compliance for Architectural, Engineering, and Related Services industry

Architectural, Engineering, and Related Services

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Allowed: DWG, DXF, PDF

Max size: 100MB

Upload the master single-line diagram in DWG/DXF or PDF format to serve as the baseline for selective coordination analysis
Select the primary functional uses present in the 27-story tower to determine applicable NEC articles and coordination requirements
Specify existing protective device ratings (main breakers, feeders, panelboards) with manufacturer and model numbers for coordination verification
Identify the specific NFPA 70 article and any local amendments that govern the coordination requirements
Define the critical loads that must remain operational during fault conditions to determine selective coordination boundaries
Provide utility source information including actual available fault current values at main-tie-main switchgear and significant fault contribution calculations
Specify the vertical power distribution scheme to ensure proper coordination analysis across 27 floors
Define acceptable selective coordination tolerance level and any economic or space constraints on protective device upgrades
Specify any additional requirements from AHJ, commissioning agent, or owner that affect selective coordination outcomes