a. Historic Window and Vestibule Door Assessment For the full assessment, focus on 34 historic windows (east, west, south). For the north side windows and the vestibule door, only evaluate trim and historic features and develop a maintenance protocol; rehabilitation is not included on the north side or the vestibule door. • Assessment includes, at a minimum: 1. Evaluation of interior and exterior components: wood, hardware, paint, glazing, sealants, and operability 2. Standardized checklist documentation: elevations, significant architectural details, rough opening measurements, conditions, defects, and repair symbols 3. Photographs of all windows, including detailed images of notable features (e.g., muntins, wood joinery, sash profiles, hardware) b. Window Repair Schedule • Classify repairs per Secretary of the Interior’s Preservation Briefs: 9 1. Class I: Routine Maintenance 2. Class II: Stabilization 3. Class III: Splices and Parts Replacement • Include: 1. Complete list of assessed windows 2. Documentation of current conditions 3. Recommended repair tasks c. Window Rehabilitation • Execute repair work on east, west, and south windows in compliance with the Secretary of the Interior’s Preservation Briefs: 9. • Tasks include, but are not limited to: 1. Removing sashes, interior stops, and parting beads 2. Repairing or replacing deteriorated glazing with energy-efficient materials, preserving historic character 3. Cleaning and paint removal from frames and sashes 4. Caulking and sealing joints 5. Installing new gaskets (V-groove, bubble gaskets) 6. Priming and painting frames and sashes 7. Restoring or replacing hardware • Temporary protection of openings during work is required to prevent disruption of building operations.
