D.C. Mun. Regs. tit. 12, r. 12-K-A07
Strike Table A107 in Appendix A of the International Green Construction Code in its entirety and insert new Table A107 in Appendix A of the Green Construction Code in its place to read as follows:
TABLE A107
WATER RESOURCE CONSERVATION AND EFFICIENCY
PROJECT ELECTIVES
SECTION | DESCRIPTION | MINIMUM NUMBER OF ELECTIVES REQUIRED AND ELECTIVES SELECTED | |
A107.2 | Onsite waste water treatment | ||
A107.3 | Alternate onsite nonpotable water for outdoor hose connections | ||
A107.4 | Alternate onsite nonpotable water for plumbing fixture flushing | ||
A107.7 | Alternate onsite nonpotable water for industrial process makeup water | ||
A107.8 | Alternate onsite nonpotable water for cooling tower makeup water | ||
A107.9 | Gray water collection | ||
A107.10 | Condensate drainage recovery | ||
A107.11 | Wet-hood exhaust scrubber system | ||
Strike Section A107.3.1 in Appendix A of the International Green Construction Code in its entirety without substitution.
Strike Sections A107.4.1 through A107.4.3 in Appendix A of the International Green Construction Code in their entirety without substitution.
Strike Section A107.5 (including subsections) in Appendix A of the International Green Construction Code in its entirety without substitution.
Strike Section A107.6 (including subsections) in Appendix A of the International Green Construction Code in its entirety without substitution.
Strike Section A107.7.1 in Appendix A of the International Green Construction Code in its entirety without substitution.
Strike Sections A107.8 and A107.9 in Appendix A of the International Green Construction Code in their entirety and insert new Sections A107.8 and A107.9 in Appendix A of the Green Construction Code in their place to read as follows:
Alternate onsite nonpotable water for cooling tower makeup water project elective. Where projects are intended to qualify for an alternate onsite nonpotable waterfor cooling tower makeup water project elective in accordance with Section A107.7, nonpotable water shall be utilizedfor cooling tower makeup water in accordance with the requirements of Section 703.7.
Gray water collection project elective. Where projects are intended to qualify for a gray water collection project elective in accordance with Section A107.8, waste water from lavatories, showers, bathtubs, clothes washers, and laundry trays shall be collected for reuse onsite.
Insert new Sections A107.10 and A107.11 in Appendix A of the Green Construction Code to read as follows:
Condensate drainage recovery. Projects that are pursuing a condensate drainage recovery project selective shall collect 100 percent of condensate for reuse in applications such as water features, fountains, gray water collection systems and rainwater collection systems.
Wet-hood exhaust scrubber systems. Where wet-hood exhaust scrubber systems are used, projects that are pursuing this elective shall incorporate a water recirculation system. The makeup water supplies for such systems shall be metered in accordance with Section 705.1.
Washdown systems. Hoods incorporating washdown or rinsing systems for perchloric acid and similar chemicals shall utilize self-closing valves. Such systems shall be designed to drain automatically after each washdown process has been completed.
Water sources. Where suitable alternate onsite nonpotable water is available, makeup water supplies to the recirculation system of wet-hood exhaust scrubbers shall utilize alternate onsite nonpotable water or municipal reclaimed water of a water quality appropriate for the application.
D.C. Mun. Regs. tit. 12, r. 12-K-A07