Electrical upgrades to the aircraft hanger and adjacent offices at Patuxent River, Maryland. Scope of work included and was not limited to disconnecting and removing the existing dual drop compensator and salvaging the existing cable to use on the new converter. Replace hanger lighting and recycle old bulbs. Install OCC sensors in hanger offices. Furnish and install two duplex receptacles. Change out three existing boxes with new ones. Furnish and install feed from the existing LCB panel to the new Sub Panel. Furnish and install a 3 phase 4 wire 120/208 Volt MCB sub panel at the tool crib area instead of eight 20-amp home run circuits. Ensure All receptacles shall be GFCI protected. Remove conduit and conductors back to hangar wall and install a junction box over the two lines.