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c. Any mobile home. d. Any buildings or portion thereof subject to standards established by the United States. e. Any state building that must conform to the more stringent "Florida Energy Conservation in Buildings Act of 1974" and amendments thereto. (e) Add the following definition to Section 201.1 on page 2-4 of the energy code: Heated slab. A floor, usually constructed of concrete, that has heat energy supplied into the slab to provide heating to an interior space. (f) Add the following sentence at page 5-2 of the energy code immedi- ately following the last sentence of paragraph 502.2(a)(1): Equation I -A may be used. (g) Add the following paragraphs at page 5-2 of the energy code, following paragraph 502.2(a)3: 502.2(b). Insulating/Solar Glass Equivalence: Table 5-2C in Section 502.3(c) shows shading coefficients for solar glass which are equivalent to insulating glass. This table is applicable for residential buildings. 502.3(c). Insulating/Solar Glass Equivalence: Table 5-2C indicates the maximum shading coefficients for single -pane solar glass which are equivalent to dual -pane insulating glass with a U value of 0.65 or larger. (h) Replace Table 5-1 at page 5-3 of the energy code with the following Table and new Footnote 1 and amended Footnote 2: Table 5-1 Type Al and A2 Residential Buildings Element Mode Value Walls Heating or Cooling Uo 0.30 Max.1 Roof/ceiling Heating or Cooling Uo 0.05 Max. Floors over unheated spaces Heating or Cooling Uo 0.30 Max. Heated slab on grade Heating R 3.4 Min. 1For A2 buildings Uo + 0.38 Max. is permitted. 2Roof/ceiling assemblies in which the finished interior surface is the underside of the roof deck, a maximum value Uois 0.09 Btu/h ft.2 F. (i) Add the following Equation 1-A on a new page of the energy code numbered 5-6.1: Equation 1-A Uo + M x UwAw + Ug Ag + U d A d Where: Uo = The average or combined thermal transmittance of the gross exterior wall area. A = The gross exterior wall area. -2-