In the early hours of Saturday morning, units from Solomons, St.Leonard, and Prince Frederick and the Medic Unit were alerted for a working structure fire in the Chesapeake Ranch Estates. M105 with PMIC Mumper was on duty and covering the south en of the county during the snow storm and was the first unit to arrive on scene. M105 updated communications that they had a single family home fully involved. M105 parked out of the way and then began to assist incoming units with hoseline advancement and supply line placement. M105 remained on scene for 3.5 hours providing stand-by ALS coverage for the firefighters. No injuiries were sustained during the operation and the Medic Unit returned to service. During this operation 2 other medic units were in service in the county.