The Architect of the Capitol's Library Buildings and Grounds jurisdiction is responsible for the day-to-day structural, mechanical and grounds care of the Library of Congress. Its duties include heating, ventilation and air conditioning; electrical and fire systems; and trade work such as masonry, painting, plumbing, refinishing, sheet metal and wood crafting. The Library of Congress is the largest library in the world at over 4.3 million square feet.
The jurisdiction manages four buildings on Capitol Hill (the Jefferson, Adams and Madison Buildings; and the St. Cecilia Special Services Facilities Center) and facilities beyond Washington, D.C. (including the book storage modules for long-term preservation in Maryland and the Packard Campus for Audio-Visual Conservation in Virginia), housing millions of books, recordings, photographs, maps and manuscripts.
Contact the Library of Congress Superintendent's Office 24 hours a day, seven days a week, at 202.707.5157 or submit an Online Work Request Form (must be connected to Capitol Hill network to access link).