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STATE OF MINNESOTA <br />DEPARTMENT OF ADMINISTRATION <br />SAINT PAUL <br />BUILDING CODES AND <br />STANDARDS DIVISION <br />January 12, 1984 <br />Mr. Ed Locke <br />Building Official <br />City of Little Canada <br />515 Little Canada Road <br />Little Canada, MN 55117 <br />JAN 16 1384 <br />CITY OF <br />LITTLE CANADA <br />Re: Appendix "E" Application to Existing Building, Your Inquiry <br />Dear Mr. Locke: <br />408 METRO SQUARE <br />7TH AND ROBERT STS. <br />ST. PAUL, MN 55101 <br />Phone: 612/296 .4639 <br />To directly answer your question a hypothetical example is used and code <br />application is applied to the example. <br />If you have an existing B -2 occupancy building (retail sales) of 1800 square <br />feet it is not required to be sprinklered (Appendix E). If a proposal to <br />enlarge the building to a gross square footage of 3800 square feet, two <br />solutions are available. The solutions are: <br />1. the existing building cannot be enlarged in excess of 2000 square feet, or; <br />2. the existing building and the 2000 square foot addition must be sprinklered <br />throughout. 1982 UBC 104(b) tells us that "any building plus new additions <br />shall not exceed height, number of stories and area specified for new <br />buildings." <br />Appendix "E" when adopted replaces the allowable area provisions of 1982 UBC <br />Chapter 5. The allowable area increases of 506 and 507 apply only to basic <br />areas of Chapter 5. Increases do not apply to Appendix E areas. Appendix E <br />areas are arbitrary areas established as maximum gross area that a community, <br />with limited fire fighting capabilities is capable of handling with limited <br />personnel and equipment. The areas established in Appendix E do not have any <br />relationship to Chapter 5 permitted areas. Chapter 5 areas are based on <br />occupancy, type of construction, open space, etc. UBC Section 505(e) (area <br />separation walls) are applicable only to Chapter 5 provisions not Appendix E. <br />23 <br />AN EQUAL OPPORTUNITY EMPLOYER <br />