Historic Preservation Commission Agenda and Packet 2023 09 18

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The attached HSA makes several recommendations including the following work rated Critical Deficiency (the highest priority issues to address) on page 35: Proposed work items are: • Reinforce concrete block wall in cellar. Add steel reinforcing bar and concrete in block cavities. Consider topping wall with concrete bond beam. • Regrade areas adjacent to house to redirect surface water away from building, especially north and south sides. Improve downspouts especially at north upper roof to get runoff away from structure. • Improve arch wall supports in cellar. Install load bearing system that removes the load from the ex -chimney and instead bears on concrete pads. • Rebuild southwest floor (kitchen) support structure. Install a support structure at the underside of the floor joists as follows: beam structure of a flat truss or doubled LVLs set on three small concrete pads and corresponding posts. • Improve central floor support structure. Certain floor joists near the arch appear to have moved downward due to ineffective connections, or were never fully engaged with the sub -floor. These joists may be reinforced or sistered with new joists engaging the subfloor above and their supporting beams replaced or reinforced to re -organize the loads to bear directly on known foundation elements. Grants: Under Resolution No. 17, Series 2019, residential applicants are eligible for a $5,000 unmatched incentive grant as a Landmark bonus. Owners of a landmarked property will be eligible for this grant following the signing of the Landmark and grant agreements. The remaining $40,000 grant shall be conditioned based on the applicant matching one hundred percent of the amount for approved work. Approved work must fall under the categories of preservation, rehabilitation, and restoration. Preservation is the act or process of applying measures necessary to sustain the existing form, integrity, and materials of an historic property as they now exist. Approved work focuses upon the repair of exterior historic materials and features rather than extensive replacement and new construction. Rehabilitation is the act or process of making possible a compatible use for a property through repair, alterations, and additions while preserving those portions or features which convey its historical, cultural, or architectural values. Rehabilitation acknowledges the need to alter or add to a historic property to meet continuing or changing uses while retaining the property's historic character. The limited and sensitive upgrading of mechanical, electrical, and plumbing systems and other code -required work to make properties functional is appropriate. 13