1. 937 Riverside Drive_COA 2022-1107

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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 A. BUILDING MATERIALS Original exterior wall materials in the district include limestone, flagstone, stucco, clapboard, wood shingles, sandstone and masonry block. In some instances, vinyl or aluminum siding has been applied over the original surface. Required Original exterior building materials shall be retained. Deterioration of wood materials shall be prevented through repair, c lean- ing and painting. The existing or original architectural detail around windows, porches, doors and eaves should be re- tained or replaced by replicas of the same design and materials when deteriorated beyond repair. Masonry including brick, limestone, flagstone, sandstone and stucco shall be cleaned only when necessary to halt deterioration or to remove sta ins, and shall be done with a method acceptable for the preservation of the surface: i.e. low pressure water and soft natural bris tle bushes. When repairing stucco, stucco mixture compatible in composition, color and texture shall be used. Recommended Whenever possible, the original building materials should be restored. Metal or vinyl siding may be used when it is the only alternative to maintaining or replacing 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 metal or vinyl siding has been installed in order to prevent increased deterioration of the structure from moisture and/or in sects. Mortar joints should be repointed only when there is little evidence of moisture problems or when sufficient mortar is missin g 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. It is emphasized that, prior to initiating any restoration or rehabilitation effort, the property owner should contact the Historic Preservation Commission of South Bend and St. Joseph County which is located in the Coun- ty/City Building of South Bend. The Commission is an invaluable source of information about all facets of rehabilitation and restoration. Prohibited Wood siding shall not be resurfaced with new material which is inappropriate or was unavailable when the building was con- structed, such as artificial stone, brick veneer, asbestos, or asphalt shingles. Sandblasting or the use of harsh detergents shall not be used on masonry including brick, stucco, limestone, flagstone, and sandstone. This method of cleaning erodes the sur- face material and accelerates deterioration. Brick surfaces shall not be painted unless they had been painted unless they ha d been painted originally. Repointing shall not be done with a mortar of high Portland cement content which can often create a bond that is stronger than the building material. This can cause deterioration as a result of the differing coefficient of e xpansion and the differing porosity of the material and the mortar which can result in serious damage to adjacent brick. Paint shall not be removed from masonry surfaces indiscriminately. Not Recommended Waterproof or water repellent coatings or surface consolidation treatments should not be used on masonry surfaces unless re- quired to solve a specific problem that has been studied and identified. Coatings are frequently unnecessary and expensive, and can accelerate deterioration of the masonry. Mortar joints which do not need repointing should not be repointed. […] C. WINDOWS AND DOORS Window and door frames are in most cases wood. Brick structures have stone sills and brick lintels. In some cases where alu- minum siding has been applied window trim has been covered. About half of the structures in the district have aluminum storm windows, the other half wood windows. Required Original windows and doors shall be retained including sashes, lintels, sills, shutters, decorative glass, pediments, hoods, and hardware. When deteriorated beyond repair, they shall be replaced with units and trim resembling the original. Recommended Wood frame storm windows and doors painted to match the original should be used should not damage existing frames. If new sashes or doors are installed, the existing or original materials, design, and hardware should be used. When metal storm doo rs are used, they should be painted, anodized or coated to match the existing. When awnings are used they should be of canvas material. Prohibited Original doors, windows, and hardware shall not be discarded when they can be restored and reused in place. New window and door openings which would alter the scale and proportion of the building shall not be introduced. Inappro- priate new window and door features, such as aluminum insulating glass combinations that require removal of the original win- dows and doors, shall not be installed. Not Recommended Awnings, hoods, and fake shutters made of metal, vinyl, or fiberglass should not be used if they would detract from the exist ing character or appearance of the building. III. NEW CONSTRUCTION New construction includes any new building or structure constructed within the boundaries of the historic district, or any ne w addi- tion to an existing building. New construction should be designed considering the appearance of the other buildings in the n eighbor- hood. A.HEIGHT AND PROPORTION The majority of structures in the district are two stories high and are square, rectangular, or irregular in plan. There are a few story-and-a-half residences. The prevalent façade proportions are between a 1:1 and a 1:2 height-to-width ratio. Required The height of a new structure and its height-to-width proportions shall be consistent with adjacent buildings in the district. The