2. DC-side entrance, down the stairs, Office. dropped because there is no strong support poles may cause the collapsing stairs. Antenna weight should be added or changed to a steel ladder. In order to have security.
2. Down stairs in the Office side, DC., Collapsed due to lack of a strong pillar could break down the stairs. Poles should add weight or a steel ladder. To provide security
2 stairs down the area. Office DC. Settlement, since there is no strong pillar braces may make staircase collapsed. Should add column weight or change the steel ladder to safety.