A07. A107 - WATER RESOURCE CONSERVATION AND EFFICIENCY

APPENDIX A PROJECT ELECTIVES Appendix A to the International Green Construction Code is adopted and incorporated into the Green Construction Code as Appendix A with the following modifications. A107 WATER RESOURCE CONSERVATION AND EFFICIENCY 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 Yes No A107.3 Alternate onsite nonpotable water for outdoor hose connections Yes No A107.4 Alternate onsite nonpotable water for plumbing fixture flushing Yes No A107.7 Alternate onsite nonpotable water for industrial process makeup water Yes No A107.8 Alternate onsite nonpotable water for cooling tower makeup water Yes No A107.9 Gray water collection Yes No A107.10 Condensate drainage recovery Yes No A107.11 Wet-hood exhaust scrubber system Yes No 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: A107.8 Alternate onsite nonpotable water for cooling tower makeup water project elective. Where projects are intended to qualify for an alternate onsite nonpotable water for cooling tower makeup water project elective in accordance with Section A107.7, nonpotable water shall be utilized for cooling tower makeup water in accordance with the requirements of Section 703.7. A107.9 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: A107.10 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. A107.11 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. A107.11.1 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. A107.11.2 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. SOURCE: Final Rulemaking published at 61 DCR 3356 (March 28, 2014 – Part 2); as corrected by Errata Notice published at 61 DCR 5246 (May 23, 2014). The District of Columbia Green Construction Code (2013) , referred to as the “Green Construction Code,” consists of the 2012 edition of the International Green Construction Code published by the International Code Council (ICC), as amended by the District of Columbia Green Construction Code Supplement (2013)(12 DCMR K). The International Green Construction Code is copyrighted by the International Code Council and therefore is not republished here. However, a copy of the text may be obtained at: http://publicecodes.cyberregs.com/icod/igcc/2012/index.htm?bu=IC-P-2012-000023&bu2=IC-P-2012-000019. District of Columbia Municipal Regulations Green Construction Code Supplement of 2013 12-K DCMR § A107