Specifications include, but are not limited to: Legation House • Limited demolition • Removal and replacement of existing electrical wiring and panel • Removal and replacement of HVAC and ductwork • Removal and replacement of deteriorated portions of the historic wood structure • Removal of all windows for replacement in kind. Visitor Center (Carriage House built in 1974) • Structural reinforcement of interior exposed ceiling joists/beam supporting second floor • Installation of new aluminum storefront door systems • Demolition of interior concrete slab and installation of new slab • Construction of new single occupancy restroom including plumbing, electrical and HVAC • Carpentry work at new restroom and window/door modifications.