| 1 | A bill to be entitled |
| 2 | An act relating to thermal efficiency standards; |
| 3 | amending s. 403.814, F.S.; requiring that the |
| 4 | Department of Environmental Protection and the |
| 5 | applicable water management district grant a general |
| 6 | permit for the construction, alteration, and |
| 7 | maintenance of certain surface water management |
| 8 | systems; authorizing the construction of certain |
| 9 | surface water management systems to proceed without |
| 10 | further action by the department or the water |
| 11 | management district; reordering and amending s. |
| 12 | 553.902, F.S.; providing definitions for the terms |
| 13 | "ballasted roof," "hardscape," "heat island effect," |
| 14 | "low-sloped roof," "solar reflectance" or |
| 15 | "reflectance," and "steeped-sloped roof"; creating s. |
| 16 | 553.9045, F.S.; providing standards for a thermal- |
| 17 | efficient roof; requiring that roof exterior surfaces |
| 18 | and roofing material of a thermal-efficient roof have |
| 19 | a minimum solar reflectance; providing testing |
| 20 | standards; providing exceptions; creating s. 553.9046, |
| 21 | F.S.; defining thermal-efficient hardscapes; providing |
| 22 | default reflectance values for certain paving |
| 23 | materials; providing an effective date. |
| 24 |
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| 25 | Be It Enacted by the Legislature of the State of Florida: |
| 26 |
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| 27 | Section 1. Subsection (12) is added to section 403.814, |
| 28 | Florida Statutes, to read: |
| 29 | 403.814 General permits; delegation.- |
| 30 | (12) The department and the applicable water management |
| 31 | district shall grant a general permit for the construction, |
| 32 | alteration, and maintenance of a surface water management system |
| 33 | serving a total project area of up to 10 acres. The |
| 34 | construction, alteration, and maintenance of such a system may |
| 35 | proceed without any further agency action by the department or |
| 36 | water management district if: |
| 37 | (a) The total project area is less than 15 acres; |
| 38 | (b) The total project area involves less than 2 acres of |
| 39 | impervious surface or no more than 5 acres of impervious surface |
| 40 | if that surface is a thermal-efficient hardscape as provided in |
| 41 | s. 553.9046; |
| 42 | (c) The activities do not impact wetlands or other surface |
| 43 | waters; |
| 44 | (d) The activities are not conducted in, on, or over |
| 45 | wetlands or other surface waters; |
| 46 | (e) The drainage facilities do not include pipes having |
| 47 | diameters greater than 24 inches, or the hydraulic equivalent, |
| 48 | and do not use a pump in any manner; |
| 49 | (f) The project is not part of a larger common plan, |
| 50 | development, or sale; |
| 51 | (g) The project does not cause: |
| 52 | 1. Adverse water quantity impacts or flooding to receiving |
| 53 | water and adjacent lands; |
| 54 | 2. Adverse impacts to existing surface water storage and |
| 55 | conveyance capabilities; |
| 56 | 3. A violation of state water quality standards; or |
| 57 | 4. Adverse impacts to the maintenance of surface or ground |
| 58 | water levels or surface water flows established pursuant to s. |
| 59 | 373.042 or to a work of the district conducted pursuant to s. |
| 60 | 373.086; and |
| 61 | (h) The design plans for the surface water management |
| 62 | system are signed and sealed by a Florida-registered |
| 63 | professional who attests that the system will perform and |
| 64 | function as proposed and that it has been designed in accordance |
| 65 | with appropriate, generally accepted performance standards and |
| 66 | scientific principles. |
| 67 | Section 2. Section 553.902, Florida Statutes, is reordered |
| 68 | and amended to read: |
| 69 | 553.902 Definitions.-As used in this part, the term For |
| 70 | the purposes of this part: |
| 71 | (3)(1) "Exempted building" means: |
| 72 | (a) A Any building or portion thereof whose peak design |
| 73 | rate of energy usage for all purposes is less than 1 watt (3.4 |
| 74 | Btu per hour) per square foot of floor area for all purposes. |
| 75 | (b) A Any building that which is neither heated nor cooled |
| 76 | by a mechanical system designed to control or modify the indoor |
| 77 | temperature and powered by electricity or fossil fuels. |
| 78 | (c) A Any building for which federal mandatory standards |
| 79 | preempt state energy codes. |
| 80 | (d) An Any historical building as described in s. |
| 81 | 267.021(3). |
| 82 |
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| 83 | The Florida Building Commission may recommend to the Legislature |
| 84 | additional types of buildings which should be exempted from |
| 85 | compliance with the Florida Energy Efficiency Code for Building |
| 86 | Construction. |
| 87 | (7)(2) "HVAC" means a system of heating, ventilating, and |
| 88 | air-conditioning. |
| 89 | (10)(3) "Renovated building" means a residential or |
| 90 | nonresidential building undergoing alteration that varies or |
| 91 | changes insulation, HVAC systems, water heating systems, or |
| 92 | exterior envelope conditions, if provided the estimated cost of |
| 93 | renovation exceeds 30 percent of the assessed value of the |
| 94 | structure. |
| 95 | (8)(4) "Local enforcement agency" means the agency of |
| 96 | local government which has the authority to make inspections of |
| 97 | buildings and to enforce the Florida Building Code. It includes |
| 98 | any agency within the definition of s. 553.71(5). |
| 99 | (4)(5) "Exterior envelope physical characteristics" means |
| 100 | the physical nature of those elements of a building which |
| 101 | enclose conditioned spaces through which energy may be |
| 102 | transferred to or from the exterior. |
| 103 | (2)(6) "Energy performance level" means the indicator of |
| 104 | the energy-related performance of a building, including, but not |
| 105 | limited to, the levels of insulation, the amount and type of |
| 106 | glass, and the HVAC and water heating system efficiencies. |
| 107 | (1) "Ballasted roof" means a roof having a minimum of 15 |
| 108 | pounds per square foot of ballast for the purpose of weighing |
| 109 | down a roofing membrane over a substrate to resist wind uplift. |
| 110 | For purposes of this subsection, ballast includes, but is not |
| 111 | limited to, river rock aggregate and pavers. |
| 112 | (5) "Hardscape" means the impervious, nonliving portions |
| 113 | of a property's landscaping, including, but not limited to, |
| 114 | roads, sidewalks, courtyards, and parking lots. |
| 115 | (6) "Heat island effect" means an elevated temperature |
| 116 | over an urban area compared to rural areas, typically caused by |
| 117 | the increased presence of dark, heat-absorbing materials. |
| 118 | (9) "Low-sloped roof" means a roof having a slope of rise |
| 119 | of 0 units in a horizontal length, up to and including, a roof |
| 120 | having a slope of rise of 2 units in a horizontal length of 12 |
| 121 | units. |
| 122 | (11) "Solar reflectance" or "reflectance" means the amount |
| 123 | of solar energy reflected by a material. |
| 124 | (12) "Steep-sloped roof" means a roof having a slope of |
| 125 | rise greater than 2 units in a horizontal length of 12 units. |
| 126 | Section 3. Section 553.9045, Florida Statutes, is created |
| 127 | to read: |
| 128 | 553.9045 Thermal-efficient roofs.- |
| 129 | (1) Standards for a thermal-efficient roof: |
| 130 | (a) A low-sloped roof must have a minimum initial |
| 131 | reflectance of 0.72 or a 3-year installed reflectance of 0.5 as |
| 132 | determined by the Cool Roof Rating Council or the Energy Star |
| 133 | program of the United States Environmental Protection Agency and |
| 134 | the United States Department of Energy. If more than 50 percent |
| 135 | of the total gross area of the roof is covered with vegetation |
| 136 | associated with an extensive or intensive green roof as defined |
| 137 | by the United States Environmental Protection Agency for the |
| 138 | purpose of reducing the heat island effect, the remainder of the |
| 139 | roof must have a minimum reflectance of 0.30. |
| 140 | (b) A ballasted roof must have a minimum initial |
| 141 | reflectance of 0.30. |
| 142 | (c) A steep-sloped roof must have a minimum initial |
| 143 | reflectance of 0.15. |
| 144 | (d) A roof that has multiple slopes is subject to the |
| 145 | standards applicable to the slope that covers the largest area |
| 146 | of the building's footprint. |
| 147 | (2) All roof exterior surfaces and roofing materials of a |
| 148 | thermal-efficient roof must have a minimum reflectance as |
| 149 | certified by one of the following: |
| 150 | (a) The American Society for Testing and Materials ASTM |
| 151 | E903 or ASTM E1918 standard. |
| 152 | (b) A test using a portable reflectometer at near-ambient |
| 153 | conditions. |
| 154 | (c) The Cool Roof Rating Council. |
| 155 | (d) The Energy Star program of the United States |
| 156 | Environmental Protection Agency and the United States Department |
| 157 | of Energy. |
| 158 | (3) This section does not apply to: |
| 159 | (a) The portion of a roof acting as a substructure for and |
| 160 | covered by a rooftop deck. |
| 161 | (b) The portion of a roof covered with vegetation |
| 162 | associated with an extensive or intensive green roof as defined |
| 163 | by the United States Environmental Protection Agency for the |
| 164 | purpose of reducing the heat island effect. |
| 165 | (c) A rooftop deck covering a maximum of one-third of the |
| 166 | rooftop total gross area. |
| 167 | (d) An area of the roof covered by photovoltaic and solar |
| 168 | equipment. |
| 169 | Section 4. Section 553.9046, Florida Statutes, is created |
| 170 | to read: |
| 171 | 553.9046 Thermal-efficient hardscapes.-A thermal-efficient |
| 172 | hardscape is the portion of impervious, nonliving improvements |
| 173 | of a property's landscaping, including, but not limited to, |
| 174 | roads, sidewalks, courtyards, and parking lots which has a |
| 175 | minimum initial reflectance of 0.30 as certified by the American |
| 176 | Society for Testing and Materials ASTM E903 or ASTM E1918 |
| 177 | standard or a test using a portable reflectometer at near- |
| 178 | ambient conditions. When measuring the minimum initial |
| 179 | reflectance, one of the following reflectance values for paving |
| 180 | materials may be used: |
| 181 | (1) Typical new gray concrete, 0.35. |
| 182 | (2) Typical weathered concrete, 0.20. |
| 183 | (3) Typical new white concrete, 0.70. |
| 184 | (4) Typical weathered white concrete, 0.40. |
| 185 | (5) New asphalt, 0.05. |
| 186 | (6) Weathered asphalt, 0.10. |
| 187 | Section 5. This act shall take effect July 1, 2012. |