Monday, July 21 - Final Update: AOC's contractor completed work in the East Grand Staircase on the House side of the Capitol this weekend. The Staircase and connecting corridors are now open.
Monday, July 14 - Update: AOC's contractor plans to begin delivering and installing scaffolding in the East Grand Staircase following the last votes in the House tonight. Once the scaffolding is in place, the contractor will install additional plastic sheeting in the ceiling of the East Grand Staircase. This is necessary for the contractor to resume abatement work. The contractor will then fully clean the stairwell. Air sampling continues throughout the process. The East Grand Staircase will remain closed until abatement work is complete.
Saturday, July 12 - Update: Poly reinforced construction dust control barriers will be installed this weekend within the arched openings at the second and third floor landings of the East Grand Staircase and at the arched opening at the first floor stair entrance. Installation of these barriers allows the AOC to reactivate air conditioning in affected areas and to resume abatement work in the attic space above the staircase. The barrier is expected to be in place approximately two weeks.
July 10, 12:15 p.m. - Update: During overnight construction, there was a potential release of asbestos affecting the House side of the U.S. Capitol. Engineers and certified industrial hygienists have evaluated the scene and determined it was safe to reopen the building around 9 a.m.
July 10, 9:20 a.m. - The House Side of the Capitol has reopened to Members and Staff with certain areas remaining closed, specifically the East Grand Staircase from floors 1 to 3 and room H-324. All other areas of the House Side of the Capitol will return to normal operations, including tours of the Capitol Building.
July 10, 8:20 a.m. - During ongoing asbestos abatement work there was a potential release affecting the House side of the Capitol. Samples have been collected to determine whether there was potential exposure. Architect of the Capitol (AOC) and Unites States Capitol Police (USCP) are investigating and will provide updates when available.