Grunley Construction Co. of Rockville, Md., also was awarded a $34.3-million contract to renovate portions of the Smithsonian Institution’s Arts and Industries Building in Washington, DC.

The project is intended to preserve this historic building that opened in 1881, stabilize and revitalize the building envelope, and prepare the building for future phases of the full renovation. Ennead Architects/SmithGroup is the architect/engineer.

The scope of work includes full replacement of the existing metal and slate roofs; repair, reinforcement and partial replacement of the iron roof structure; installation of new steel, masonry and concrete structural elements to improve seismic, wind, blast and snow load performance; replacement of the existing windows; masonry and ornamental metals restoration; and installation of new roof drainage, snow-melting and lightning-arrest equipment and systems.