D.C. Mun. Regs. tit. 12, r. 12-K408

Current through Register Vol. 71, No. 49, December 6, 2024

Rule 12-K408 - HEAT ISLAND MITIGATION

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:

1. 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.

D.C. Mun. Regs. tit. 12, r. 12-K408

Final Rulemaking published at 67 DCR 5679 (5/29/2020)