Repairs are occurring across Capitol Hill to replace sidewalks, repair gutters and curbs, and pave streets that have reached the end of their serviceable life. Throughout this project signs and other safety devices will direct pedestrians to alternative paths. The map below provides an up-to-date look at current and planned repairs.
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Updated June 5, 2013 — The U.S. Supreme Court Building's West Front Façade is undergoing a complete restoration to address deterioration due to age, weather and nature.... More »
Starting the week of April 15, 2013 continuing through July 2013, AOC stonemasons will begin repairs of the U.S. Botanic Garden Administration Building’s masonry exterior. This work will repair all the cracks in the building’s exterior, replace the caulk with mortar on the building’s stone and clean the stone. This work will require scaffolding the building and will be conducted in a manner to ensure safety and minimal impact to staff, visitors, plants and events.
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The exterior stone of the U.S. Botanic Garden Conservatory will be undergoing stabilization and temporary repairs starting April 15, 2013, with work continuing until September 2013. These temporary repairs at the roof level of the Conservatory will stop water infiltration into the building until a larger overall repair can be conducted in the future. Work will take place from a 45-foot lift and will be conducted in a manner to ensure safety and minimal impact to staff, visitors, plants and events.
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Beginning February 25, 2013, construction work will occur in the U.S. Botanic Garden Conservatory front landscape. A monumental urn will be installed in the central bed of the Terrace gardens, and site work around the urn will connect this bed with previous terrace improvements. The urn will be made of cast aluminum, and is scheduled to arrive in April. The final project will be completed in May. Signage will direct visitors around the work to the main Conservatory entrance which will remain open during the work.
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Due to its advanced age, the House of Representatives is in the early planning stages for a top-to-bottom renewal of the Cannon Building. The AOC has assembled a team of in-house experts and consultants who are working with House leaders to define key aspects of the project. Construction for the Cannon Renewal Project is anticipated to begin in 2015.
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The Dome of the U.S. Capitol Building, one of America’s great symbols of freedom, needs additional restoration as part of an on-going multi-phased program.
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AOC is performing maintenance on the northwest terrace granite walls of the Longworth House Office Building. This work includes stone cleaning and replacement of the mortar between the stones.... More »
On the fourth floor of the Rayburn House Office Building there is a five-foot wide ledge that surrounds the majority of the building. This ledge is covered with a copper flashing and acts as a gutter that helps protect the building from the elements. The caulking in the joints that run the length of the flashing is failing, which allows water to get behind the stone and causes the steel to rust and expand, thus damaging the stones. Craftsmen are currently caulking the joints to repair the areas, which are hard to access and require extensive training in fall... More »
The Architect of the Capitol will be removing three red oak trees in the Senate parks on D Street, between Delaware and First Streets. Two of the trees are over-mature and pose a hazard with significant die-back in the tops and extensive cavities and decay in the trunks. The third tree has been damaged by a previous lightning strike. This work will take place over the weekends of April 27 and May 4. New red oaks to replace these trees will be planted later this year.
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