3. 715 Riverside Drive_COA 2023-0601B

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HISTORIC PRESERVATION COMMISSION OF SOUTH BEND AND ST. JOSEPH COUNTY Phone: 574/235.9371 Fax: 574/235.9021 Email: hpcsbsjc@southbendin.gov state that “Original doors, windows, and hardware shall not be discarded when they can be restored and re-used in place. New window and door openings which would alter the scale and proportion of the building should not be introduced.” COA 2023-0601B-3 — Window Replacement (General). Staff makes no recommendation. The property owner would like to replace all windows with JELD-WEN V-2500 windows. The property owner would like to resize windows (ground floor south façade, corresponding to what will be the kitchen). The property owner would like to change the size of the third floor dormer windows facing the rear of the prop- erty. This dormer has structural issues and needs to be reconstructed, in its entirety. Staff conducted a site visit on May 26, 2023 with the property owner and architect. Existing windows are in serviceable condition, but are in need of restoration. The River Bend Standards & Guidelines state that “Original windows and doors including sash, lintels, sills, shut- ters, decorative glass, pediments, hoods and hardware shall be retained or when deteriorated beyond repair, re- placed with units and trim resembling the original.” COA 2023-0601B –4 — Exterior Cladding — Staff makes no recommendation. The property owner proposes installing new aluminum siding over the entirety of the structure, including the new garage addition. The existing ‘original’ house has aluminum siding with wood siding underneath. Preliminary exploration of the condition of original siding (visible at a junction on the north side of the structure) is that it is in serviceable condi- tion. Based upon other historic properties and examples, Staff estimate that 60-80% of the original siding that has been covered over with aluminum (or vinyl) siding is in serviceable condition. The existing rear addition is covered in aluminum siding. This siding is believed to be installed directly on the framing of the structure, and is flush with the aluminum siding of the original structure. The River Bend Standards & Guidelinse state that “Metal or vinyl may be used as an alternative to maintaining or replacing the original surface material when it resembles the original surface material. When used over wood surfaces, this siding should be the same size and style as the original wood.” STANDARDS AND GUIDELINES: River Bend II. EXISTING STRUCTURES A. BUILDINGMATERIALS Original exterior wall materials in the District include brick, stucco, clapboard, wood shingles and masonry block. In some instances, vinyl or aluminum siding has been applied over the original material. Required Original exterior building materials shall be retained. Deterioration of wood materials shall be prevented through repair, cleaning and painting. The existing architectural detail around windows, porches, doors and eaves should be retained or replaced by replicas of the same design and materials when deteriorated beyond repair. Masonry including brick and stucco shall be cleaned only when neces- sary to halt deterioration or to remove stains, and shall be done with a method acceptable for the preservation of the surface: i.e. low pressure water and soft natural bristle brushes. When repairing stucco, only appropriate stucco mixture shall be used. Recommended Whenever possible, the original building materials should be restored. Metal or vinyl may be used as an alternative to maintain- ing or replacing the original surface material when it resembles the original surface material. When used over wood surfaces, this siding should be the same size and style as the original wood. Every effort should be made to retain the original trim around windows, doors, cornices, gables, eaves and other architectural features. Ample ventilation must be afforded the structure when alu- minum or vinyl is to be installed in order to prevent increased deterioration of the structure from moisture and/or insects. Mortar joints should be repointed only when there is evidence of moisture problems or when sufficient mortar is missing to allow water to stand in the mortar joint. Existing mortar shall be duplicated in composition, color, texture, joint size, method of application and joint profile. Prohibited Wood siding shall not be resurfaced with material such as artificial stone, brick veneer, asbestos or asphalt shingles, which is inap-