MASONRY, ARCHITECTURE DESIGN AND BUILDING STANDARDS

Transcription

1 MASONRY, ARCHITECTURE DESIGN AND BUILDING STANDARDS RESERVED MASONRY STANDARDS FOR CENTRAL BUSINESS DISTRICT (CBD) a) All buildings and structures shall be of exterior fire resistant construction, having 100% of the total exterior walls, excluding doors and windows, be constructed of brick, stone, or brick veneer. b) All other architectural requirements found in Section shall also apply MASONRY STANDARDS FOR GENERAL PROFESSIONAL (GP), COMMUNITY RETAIL (CR), COMMERCIAL (C), AND LIGHT INDUSTRIAL (LI) DISTRICTS a) All buildings and structures shall be of exterior fire resistant construction, having at least 90% of the total exterior walls, excluding doors and windows be constructed of masonry or glass wall construction, in accordance with the City Building Code and Fire Prevention Code. No blank walls shall face public streets. 1) The following approved masonry list shall apply: i) Stone, brick or tile laid up unit by unit and set in mortar Stucco (exterior Portland cement plaster with 3 coats over metal lath or wire fabric lath) i Cultured stone or cast stone iv) Architecturally finished block (i.e. burnished block, split faced concrete masonry units or architecturally finished tilt wall) v) Architectural glass (less than 25% reflectance) 2) A maximum of 10% of the façade may include accent materials not listed on the approved masonry list above. b) Existing structures as of the adoption date of this ordinance shall be exempt from these nonresidential design standards. 1) If existing structures are expanded by 20% or more of their original size, all new construction shall comply with these design standards. Section 4 - Page 48 of 92

2 c) The following materials are allowed for sloping roofs. Pitched roofs shall have a minimum pitch of 6:12. Architectural elements that add visual interest to the roof, such as dormers and masonry chimneys, are encouraged. 1) Asphalt shingles, 2) Industry approved synthetic shingles 3) Standing seam metal 4) Tile roofs 5) Flat roofs shall require parapet screening which adheres to vertical articulation requirements for the main face of the structure. i) Parapet shall require cornice detailing. 6) The following materials are prohibited as primary cladding or roofing materials: i) Aluminum siding or cladding Galvanized steel or other bright metal i Wood or plastic siding iv) Cementitious fiberboard v) Unfinished concrete block vi) Exposed aggregate v Wood roof shingles vi Reflective glass d) The following shall apply to all buildings within these 4 zoning districts: 1) Entryway Features i) All ground floor entrances shall be covered or inset and shall not apply to loading areas. Primary building entrances are to be defined and articulated with architectural elements such as pediments, columns, porticos, porches, and overhangs. 2) All buildings facing a public right of way, park, or residential zoning district shall meet the following requirements: i) Horizontal Building Articulation. Section 4 - Page 49 of 92

3 aa) bb) No building façade shall extend for a distance greater than 3 times the average elevation of the wall s height without having an offset of 20% or more of the wall s height. This offset shall extend for a distance equal to at least 25% of the maximum length of either adjacent plane. Vertical Articulation aa) No horizontal wall shall extend for a distance greater than 3 times the height of the wall without changing height by a minimum of 20% of the wall s height. bb) This height change shall continue for a minimum distance equal to at least 25% of the maximum length of either adjacent plane. i For all structures where the above articulation requirements do not apply, a minimum of one 24 inch vertical offset and one 36 inch horizontal offset is required. e) Architectural Design Features 1) All non residential buildings shall be architecturally finished on all 4 sides with the same materials and detailing (e.g., tiles, moldings, cornices, wainscoting, etc.). 2) The rear facade of a building, which is not adjacent to or does not face a public right of way, park or residential district, shall not be required to comply with the above requirement. 3) All entrances of a building along any street shall incorporate arcades, roofs, alcoves, porticoes and awnings that protect pedestrians from the sun and weather. 4) Other design features encouraged to be used include but not limited to: i) Canopies, awnings, arcades, covered walkways or porticos i iv) Recesses, projections, columns, pilasters projecting from the planes, offsets, reveals or projecting ribs used to express architectural or structural bays Varied roof heights for pitched, peaked, sloped or flat roof styles Articulated cornice line Section 4 - Page 50 of 92

4 v) Arches vi) v vi ix) Display windows, faux windows or decorative windows Architectural details (such as tile work and molding) or accent materials integrated into the building façade Integrated planters or wing walls that incorporate landscaping and sitting areas or outdoor patios Integrated water features x) Other architectural features approved by the Planning Director or a designated representative MASONRY STANDARDS FOR MEDIUM AND HEAVY INDUSTRIAL (MI & HI) DISTRICTS a) All industrial buildings and structures shall be of exterior fire resistant construction, having at least 70% of the total exterior walls, excluding doors and windows be constructed of masonry or glass wall construction in accordance with the City Building Code and Fire Prevention Code. b) Exceptions: 1) Only industrial type buildings or structures located in the Heavy Industrial (HI) Zoning District are not required to comply with the provisions of subsection (a) above. 2) Buildings or structures inside private developments containing 50 acres or more with no public access and located 500 feet or more from all public rights of way are not required to comply with the provisions of subsection (a) above. 3) Lots in platted industrial developments that do not meet the exception criteria above are not required to comply with the provisions of subsection (a) above if they meet all of the following criteria: i) The development is at least 80% built out based on total buildable acreage that is developed, i At least 80% of the structures within the subject development do not already comply with the masonry requirements of subsection (a) above; and, The proposed structure would not front a public collector or arterial roadway. Section 4 - Page 51 of 92

5 PROCEDURE FOR DETERMINING ALTERNATIVE EXTERIOR MATERIALS (NONRESIDENTIAL) a) Exceptions to the material requirements may be permitted on a case by case basis by the City Council following receipt of recommendation by the Planning and Zoning Commission. 1) All requests for alternative exterior building materials shall be noted and described on a Site Plan with elevation drawings. 2) If requested by the City, a sample of the material may be required to be submitted with the Site Plan. b) The City Council, after a recommendation made by the Planning and Zoning Commission, may approve an alternative exterior material if it is determined the alternative material is equivalent or better than masonry according to the criteria listed in the definition of Masonry Construction found in Section Section 4 - Page 52 of 92

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