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This appears to be an electrical panel schedule from Schneider Electric Square D, labeled as Panel Designation MDPE, dated 5/10/2016. The panel operates at 208Y/120 VAC 3PH 4W voltage.

The schedule details circuit breaker assignments across 84 possible circuits, with various amp ratings including main circuits at 1000 Amp, chiller circuits at 400 Amp, and multiple EPP (Emergency Power Panel) circuits rated at 250 Amp and 100 Amp. The panel includes circuits for base building (250 Amp), elevator (100 Amp), E.G. Panel (100 Amp), and TVSS (60 Amp) systems. Several spare circuits are also indicated at 100 Amp. This electrical panel documentation appears to be relevant to the HVAC and building systems upgrade project at the Portland ME Air Traffic Control Tower, particularly relating to the electrical infrastructure supporting the new mechanical systems and controls.