Section 701A.3 is amended to read as follows:
701A.3 Application. New buildings located in the Wildland-Urban Interface Area shall comply with the provisions of this chapter.
EXCEPTION:
1. Buildings of an accessory character classified as a Group U occupancy of any size located at least 50 feet from a Group R-3 structure.
Additions to existing buildings and/or construction of the existing structure located in the Wildland-Urban Interface Area shall comply with the provisions of this chapter.
EXCEPTION:
1. Additions made during the previous 60 months to the existing structure less than 10 percent of the original area.
The construction requirements of the existing structure located in the Wildland-Urban Interface Area is based on the following:
1. Over 10% but less than 50% addition. The construction of the existing structure or building being added to may be left in place providing the cumulative area of additions made during the previous 60 months to the existing structure is over 10 percent but less than 50 percent of the original area.
2. 50% or more addition. The construction of the existing structure or building being added to shall be made to comply with the provisions of this chapter when the cumulative area of additions made during the previous 60 months to the existing structure is 50 percent or more of the original area.
(Ord. 2010-16 § 1, 2010)