The 175th Wing, Maryland Air National Guard (MDANG) needs services to repair multiple overhead doors around the base to the following building numbers: 3010, 3150, 4010, 5130, 1090. In short, the cont... The 175th Wing, Maryland Air National Guard (MDANG) needs services to repair multiple overhead doors around the base to the following building numbers: 3010, 3150, 4010, 5130, 1090. In short, the contractor will repair the weather seals, coil cords, and safety edges on multiple overhead doors. Additionally, the contractor will perform an ASTM E1105: Field water-penetration test to validate the repairs are correct.