D.C. Municipal Regulations (Last Updated: September 13, 2017) |
Title 12. CONSTRUCTION CODES SUPPLEMENT OF 2013 |
SubTilte 12-K. GREEN CONSTRUCTION CODE SUPPLEMENT OF 2013 |
Chapter 12-K4. SITE DEVELOPMENT AND LAND USE |
Section 12-K408. HEAT ISLAND MITIGATION
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Strike Section 408.1 of the International Green Construction Code in its entirety and insert new Section 408.1 in the Green Construction Code in its place to read as follows:
408.1 General. The heat island effect of building and building site development shall be mitigated in accordance with Section 408.2.
Strike Section 408.2.2 of the International Green Construction Code in its entirety and insert new Section 408.2.2 in the Green Construction Code in its place to read as follows:
408.2.2 Shading by structures. Where shading is provided by a building or structure or a building element or component, such building, structure, component or element shall comply with the following:
- Where open trellis-type free standing structures, such as, but not limited to, covered walkways, and trellises or pergolas, are covered with native plantings, the plantings shall be designed to achieve mature coverage within five years; and
2. Shade provided onto the hardscape by an adjacent building or structure located on the same lot shall be calculated and credited toward compliance with this section based on the projected peak sun angle on the summer solstice.
Strike Section 408.3 of the International Green Construction Code in its entirety without substitution.