Florida Building Code
Total Page:16
File Type:pdf, Size:1020Kb
Florida Building Code Welcome to At Your Pace Online's continuing education course for Florida contractors. This lesson will cover the Advanced Florida 2010 Building Code Education requirements. The building codes are big and so we won't be able to cover the whole thing. Instead we will be providing you with an overview of select portions of the code so that you'll be familiar with the requirements. We will be covering the residential codes, chapter 6-wall construction. This course will present a review of the Florida Building Code requirements for residential wooden wall framing and construction, concrete wall construction, window and door installation, structural insulated panel wall construction, combined concrete/masonry/ICF/wood wall construction, impact resistant wall coverings, and soffit installation. This overview isn't a replacement for knowing the actual code but will help you know exactly where to find the answers to your technical questions. Florida Building Code - Residential Code The Florida building codes are divided into a number of different volumes. These volumes are: building, residential, existing building, energy conservation, fuel gas, plumbing, mechanical, test protocols, and accessibility code. This course will be covering a portion of the residential code. The scope of the residential code is given in chapter 1 of the residential code. Codes from the residential section are marked with the designator "R" such as R503.4 and R101.1.2. Certain sections of the code are marked as "reserved". We will not be covering any of the reserved sections. There are many reasons why a section may be reserved and if you have questions about a specific reserved section you will want to contact the Florida Department of Business and Professional Regulation. SECTION R101 GENERAL R101.1 Title. These provisions shall be known as the Florida Building Code, Residential and shall be cited as such and will be referred to herein as "this code.” R101.2 Scope. The provisions of the Florida Building Code, Residential shall apply to the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, removal and demolition of detached one- and two-family dwellings and townhouses not more than three stories above grade plane in height with a separate means of egress and their accessory structures. Exceptions: 1. Live/work units complying with the requirements of Section 438 of the Florida Building Code, Building shall be permitted to be built as one- and two-family dwellings or townhouses. Fire suppression required by Section 438.5 of the Florida Building Code, Building when constructed under the Florida Building Code, Residential shall conform to Section 903.3.1.3 of the Florida Building Code, Building. 2. Existing buildings undergoing repair, alteration or additions, and change of occupancy shall comply with the Florida Building Code, Existing Building. R101.2.1 The provisions of Chapter 1, Florida Building Code, Building, shall govern the administration and enforcement of the Florida Building Code, Residential. Question 1 five story All buildings living spaces with no The Florida Building Code, Townhouses residential constructed on doors leading to the Residential covers which of the (Correct homes County land outside following types of buildings Answer) (Incorrect (Incorrect Answer) (Incorrect Answer) Answer) Chapter 6 Part 1- Wooden Wall Construction Chapter 6 of the Florida Building Codes covers wall construction. This section uses a lot of diagrams and tables. In order to fully understand what the code is describing we recommend that you open a copy of the building codes so that you can peruse the illustrations. If you will be working extensively on wall construction you may wish to purchase a hard copy of the building codes from the state. SECTION R601 GENERAL R601.1 Application. The provisions of this chapter shall control the design and construction of all walls and partitions for all buildings. R601.2 Requirements. Wall construction shall be capable of accommodating all loads imposed according to Section R301 and of transmitting the resulting loads to the supporting structural elements. R601.2.1 Compressible floor-covering materials. 1 Compressible floor-covering materials that compress more than /32 inch (0.8 mm) when subjected to 50 1 pounds (23 kg) applied over 1 inch square (645 mm) of material and are greater than /8 inch (3 mm) in thickness in the uncompressed state shall not extend beneath walls, partitions or columns, which are fastened to the floor. SECTION R602 WOOD WALL FRAMING R602.1 General requirements. R602.1.1 [IRC 602.1] Identification. Load-bearing dimension lumber for studs, plates and headers shall be identified by a grade mark of a lumber grading or inspection agency that has been approved by an accreditation body that complies with DOC PS 20. In lieu of a grade mark, a certification of inspection issued by a lumber grading or inspection agency meeting the requirements of this section shall be accepted. R602.1.1.1 [IRC 602.1.1] End-jointed lumber. Approved end-jointed lumber identified by a grade mark conforming to Section R602.1.1 may be used interchangeably with solid-sawn members of the same species and grade. R602.1.1.2 [IRC 602.1.2] Structural glued laminated timbers. Glued laminated timbers shall be manufactured and identified as required in ANSI/AITC A190.1 and ASTM D 3737. R602.1.1.3 [IRC 602.1.3] Structural log members. Stress grading of structural log members of nonrectangular shape, as typically used in log buildings, shall be in accordance with ASTM D 3957. Such structural log members shall be identified by the grade mark of an approved lumber grading or inspection agency. In lieu of a grade mark on the material, a certificate of inspection as to species and grade, issued by a lumber-grading or inspection agency meeting the requirements of this section, shall be permitted to be accepted. R602.1.2 [IRC 602.8] Fireblocking required. Fireblocking shall be provided in accordance with Section R302.11. R602.1.3 [IRC 602.7.2] Nonbearing walls. Load-bearing headers are not required in interior or exterior nonbearing walls. A single flat 2-inch-by-4-inch (51 mm by 102 mm) member may be used as a header in interior or exterior nonbearing walls for openings up to 8 feet (2438 mm) in width if the vertical distance to the parallel nailing surface above is not more than 24 inches (610 mm). For such nonbearing headers, no cripples or blocking are required above the header. R602.1.3.1 [IRC 602.5] Interior nonbearing walls. Interior nonbearing walls shall be permitted to be constructed with 2-inch-by-3-inch (51 mm by 76 mm) studs spaced 24 inches (610 mm) on center or, when not part of a braced wall line, 2-inch-by-4-inch (51 mm by 102 mm) flat studs spaced at 16 inches (406 mm) on center. Interior nonbearing walls shall be capped with at least a single top plate. Interior nonbearing walls shall be fireblocked in accordance with Section R302.11. R602.1.4 [IRC 602.6] Drilling and notchingstuds. Drilling and notching of studs shall be in accordance with the following: 1. Notching. Any stud in an exterior wall or bearing partition may be cut or notched to a depth not exceeding 25 percent of its width. Studs in nonbearing partitions may be notched to a depth not to exceed 40 percent of a single stud width. 2. Drilling. Any stud may be bored or drilled, provided that the diameter of the resulting hole is no more 5 than 60 percent of the stud width, the edge of the hole is no more than /8 inch (16 mm) to the edge of the stud, and the hole is not located in the same section as a cut or notch. Studs located in exterior walls or bearing partitions drilled over 40 percent and up to 60 percent shall also be doubled with no more than two successive doubled studs bored. See Figures R602.1.1.4(1) and R602.1.1.4(2). Exception: Use of approved stud shoes is permitted when they are installed in accordance with the manufacturer’s recommendations. R602.1.4.1 [R602.6.1] Drilling and notching of top plate. When piping or ductwork is placed in or partly in an exterior wall or interior load-bearing wall, necessitating cutting, drilling or notching of the top plate by more than 50 percent of its width, a galvanized metal tie not 1 less than 0.054 inch thick (1.37 mm) (16 ga) and 1 /2 inches (38 mm) wide shall be fastened across and to the plate at each side of the opening with not less than eight 10d (0.148 inch diameter) having a minimum 1 length of 1 /2 inches (38 mm) at each side or equivalent. The metal tie must extend a minimum of 6 inches past the opening. See Figure R602.1.4.1. Exception: When the entire side of the wall with the notch or cut is covered by wood structural panel sheathing. R602.3 Design and construction. Exterior walls of light-frame wood construction shall be designed and constructed in accordance with the provisions of Section R301.2.1.1 or in accordance with the AF&PA NDS. Exterior wall of light-frame wood construction shall also comply with Section R602.1.1. SECTION R604 WOOD STRUCTURAL PANELS R604.1 Identification and grade. Wood structural panels shall conform to DOC PS 1 or DOC PS 2 or, when manufactured in Canada, CSA O437 or CSA O325. All panels shall be identified by a grade mark or certificate of inspection issued by an approved agency.