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(SECTION 1405 INSTALLATION OF WALL COVERINGS) 1405.2.1 Permanent closure: Doors, windows and other exterior wall openings shall not be closed up with permanent construction unless the new construction meets all the requirements of this code for exterior wall construction. 1405.2.2 Temporary closure, restricted: Doors, windows and other exterior wall openings shall not be closed up or boarded up with temporary construction unless the building official makes a finding that such temporary closure is necessary to protect the public health, safety and welfare. 1405.2.3 Temporary closure, standards: Temporary closures permitted under this section shall consist of not less than Vz inch thick weather-resistant plywood coated with approved paint or protective coating to prevent deterioration, cut to fit within openings, securely nailed or screwed in place and securely braced. (CHAPTER 15 ROOF ASSEMBLIES AND ROOFTOP STRUCTURES) (SECTION 1507 REQUIREMENTS FOR ROOF COVRINGS) 1507.2.2 Slope: Asphalt shingles shall only be used on roof slopes of two units vertical in 12 units horizontal (17-percent slope) or greater. For roof slopes from two units vertical in 12 units horizontal (17 -percent slope) up to four units vertical in 12 units horizontal (33-percent slope), double underlayment of self adhering polymer modified bitumen sheet is required. (CHAPTER 16 STRUCTURAL DESIGN) Table 1607.1 Item #6: Decks extending over 7 feet from the face of the structure shall have a uniform design load (psf) of 60 pounds per square foot. (CHAPTER 18 SOILS AND FOUNDATONS) (SECTION 1805 FOOTINGS AND FOUNDATIONS) Section 1805.2.1 Frost Protection. Except where otherwise protected from frost, foundation walls, piers and other permanent structures shall be protected from frost by one or more of the following methods: 1. Extend below the frost line of 30" below grade. 2. Constructing in accordance with ASCE-32. 3. Erecting on solid rock verified to be 30" thick. 13