The Office of the Chief Engineer (OCE) oversees long-range facility planning, architectural and engineering design, historic preservation, and project, program, and construction management.

 The office conducts master planning, building performance audits, retrocommissioning, and facility condition assessments (FCA). It also manages the energy and sustainability program, provides in-house construction services for project-funded work, supports critical Capitol campus systems, and oversees the EAM program and building automation systems.

Our Stories

Office of the Chief Engineer Work

Projects

House Hearing Room Renovation

Rayburn Room 2172 recently underwent renovations that include a refurbished wall-to-wall audiovisual (AV) system, a custom dais and several improved accessibility features.
Portrait of a person.
Behind the Scenes

Meet the Historic Preservation Officer

Donna Klee has worked for the Architect of the Capitol (AOC) for more than 10 years and was named the agency's Historic Preservation Officer in the fall of 2023. In this capacity, she works to implement the agency's preservation policy.
Projects

A House for All Seasons

More than 140 years later, the Architect of the Capitol's Summerhouse still offers visitors respite. Recent maintenance efforts will help keep the site around for repeat visitors and first timers alike.
The U.S. Capitol Building.
History & Discoveries

Capitol Illumination

Learn more about the history of lighting this iconic building including the part of the Dome called the "tholos."
A talented employee of an Architect of the Capitol sheet metal shop.

Expertise

Skillful Craftmanship

We serve in diverse roles applying both modern techniques and historical tradecrafts in the care and preservation of the Capitol campus.

Areas of Expertise