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April 29, 2014

Greening the District’s Building Codes. April 29, 2014. Learning Objectives. Learn the applicability of the Green Building Act, 2013 D.C. Green Construction Code, 2008 D.C. Energy Conservation Code, and 2013 D.C. Energy Conservation Code to your project.

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April 29, 2014

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  1. Greening the District’s Building Codes April 29, 2014

  2. Learning Objectives • Learn the applicability of the Green Building Act, 2013 D.C. Green Construction Code, 2008 D.C. Energy Conservation Code, and 2013 D.C. Energy Conservation Code to your project. • Understand the scope of DC Green Building Code • Learn the scope of the Green Building Program Manual and how to navigate the document. • Learn the new permitting requirements for the 2013 Green Construction Code and 2013 Energy Conservation Code. • Learn the how the new green and energy codes will impact building inspections

  3. Goals of the New Codes • Green the District’s Construction Codes to the maximum extent practicable • Codify the best practices currently followed by green building leaders in the District • Other important goals and considerations • Fire and life safety • Use of modern technology • Unique DC characteristics, policies and statutes • Accessibility

  4. 2013 DC Green Construction Code • 2012 International Green Construction Code, Amended • Applies to the construction, addition, alteration, relocation, razing, and demolition of every building or structures structure as stated below: • Non-residential projects (10,000 SF and larger) • Multifamily residential 4 stories and larger (and 10,000 SF and larger) • Demolition (10,000 SF or larger) • Site Work (10,000 SF or larger) • Find the DC Green Codes here: • http://www.dcregs.dc.gov/Gateway/NoticeHome.aspx?noticeid=4810344

  5. Green Code Compliance Paths • Green Building Act • Green Construction Code • Alternate Compliance Pathways: • ASHRAE 189.1 • LEED • Green Communities • ICC 700, NGBS

  6. Transitory Provisions • 2013 DC Construction Codes Effective March 28, 2014 • Exceptions (Section 123 Building Code) • Projects with existing valid building permits • Projects with existing filed application • Projects with existing design contracts • Tenant Layout Permits for built Core and Shell

  7. Which one applies to my project? • Green Building Act? • Or • DC Green Building Codes ? • Or • No compliance requirement?

  8. Site Development & Land Use • Predesign Site Inventory & Assessment -- Soils & Invasive/Native plant species • Stormwater Requirements Removed • Landscape Irrigation Systems -- 50% design reductions in landscaping water use • Management of Vegetation, Soils and Erosion Control • Soil reuse and restoration • Containment and removal of invasive plants • 50% native planting requirement. Remainder can be adaptive

  9. Site Development & Land Use • Building Site Waste Management • Heat Island Mitigation – 50% of site hardscaping • SRI of 0.30 or greater, shading by structures & trees, pervious paving, etc. • Light Pollution Control Requirements

  10. Material Resource Conservation & Efficiency • Construction Material Management • Construction Waste Management • Material Selection • Whole building Life Cycle Assessment (LCA) • 40% of materials shall be environmental • Lamps- low-mercury lamps • Building Envelope Moisture Control -envelope inspections

  11. Energy Conservation • Modeled Performance Path -- based on zEPI calculation, COMNET • Performance based design to demonstrate ZEPI not more than 51 • Based on kBtu’s not energy cost “0” score = Net zero building. “100” score = Building with code-compliant energy consumption designed in 2000. Image from Architectural Energy Corporation, Net Zero for Commercial Buildings presentation

  12. Energy Conservation • Energy Metering and Monitoring Requirements • Energy load isolation and smart metering • Sub-metering for non-residential projects > 50,000 SF • Does not apply to buildings where sub-metering is not allowed by local laws and regulations • Energy Display requirement is removed. • Metering requirements for: • HVAC/mechanical • Lighting • Plug loads • Process Loads (manufacturing/very large data centers or kitchens) • Miscellaneous (all others)

  13. Energy Conservation • Auto Demand-Response (Auto-DR) Infrastructure -- HVAC • Required for buildings already implementing a Building Management System • Infrastructure is required but no obligation to implement Auto-DR • Building Envelope Systems – Insulation requirements during roof replacement

  14. Energy Conservation • Building Mechanical Systems • Duct air leakage testing • Variable air volume (VAV) fan controls – above 5 HP • Exhaust air guidance – proper design and VAVs or heat recovery • HVAC controls in Group R-1 • Building Service Water Systems -- Water heating controls in dwelling units • Building Electrical Power and Lighting Systems • Sleeping unit lighting controls in hotels • Occupancy light reduction controls • Exterior lighting reductions-time switch for after hours • Automatic daylight controls • Plug load controls

  15. Energy Conservation • Appliances and Equipment • Standby mode for elevators • Variable speed escalators • 50% of commercial food service equipment to be Energy Star • Variable speed and shut off provisions for conveyors • Renewable Energy Systems – Section stricken from model code (appendix A) • Energy Systems Commissioning -- removed the post-occupancy requirements from the model code

  16. Water Resource Conservation • Fixtures, Fittings, Equipment and Appliances • Guidance for flow rates and reduced consumption • Energy Star requirements for appliances • Efficiency guidance for water-powered pumps, vehicle washing facilities • HVAC Systems and Equipment • Prohibition of once-through cooling • Guidance for cooling towers • Water Treatment Devices and Equipment • Water softener and reverse osmosis efficiency guidance • Onsite reclaimed water treatment systems guidance

  17. Water Resource Conservation • Metering -- Guidance for water metering and submetering • Nonpotable Water Requirements -- stricken, wasn’t seen as necessary • Rainwater Collection and Distribution -- moved to Plumbing Code • Gray Water Systems – stricken due to guidance in Plumbing Code • Reclaimed Water Systems -- stricken (not available in DC)

  18. Indoor Environmental Quality • Building Construction Features -- Guidance for air handling and filter access • HVAC Systems -- Guidance for construction phase and post-construction air filtration • Specific IAQ Control – Stricken, requirement for IAQ testing thought to be too much • Material Emissions and Pollutant Control • Guidance for formaldehyde limits on composite wood products • Guidance for VOC emission limits for flooring, ceiling tiles/walls, and insulation • Acoustics -- Section stricken (poorly worded and being covered elsewhere in code) • Daylighting-- Daylighting section was revised and moved to Appendix A

  19. Commissioning, O&M • Scope • Commissioning for all projects, except for alterations less than 50,000 sf • Altered the commissioning plan -- focus on “active” systems • Approved Agency -- Guidance on “approved agencies” for commissioning • Commissioning -- Commissioning records and reporting to be provided to the owner, and made available to the code official upon request • Building Operations and Maintenance – section stricken from code

  20. Electives– Appendix A • Site Project Electives-examples • Wildlife Corridor • Infill Site • Brownfield Site • Site Restoration • Mixed-use Development • Changing and Shower Facilities • Long-term Bicycle Storage and Parking • Heat Island Mitigation • Site Hardscape (2 electives) • Green Roof Coverage (3 electives) • Native Plant Landscaping (2 electives)

  21. Green Building Program Manual • Broken down into typical project phases: • Design • Permitting • Inspections • Certificate of Occupancy • Post Occupancy • Includes Sectional Reference Guide and Submittal Templates to streamline process

  22. Green Building Program Manual • Guidance on the implementation and enforcement • Green Construction Code • Energy Conservation Code • Green Building Act • Reference associated District regulations (Roadmap) • Guidance on Green Code alternative compliance paths • LEED • ASHRAE 189.1 • ICC 700 • Enterprise Green Communities

  23. Design Phase • Preliminary Design Review Meetings • Green Review included • Green Review (upon request)

  24. 2013 DC Energy Conservation Code • 2012 International Energy Conservation Code, Amended • Significantly more energy efficient than the 2006 DC Energy Conservation Code • Code as two separate divisions • Commercial Buildings • Residential Buildings

  25. Additional Green Requirements/Incentives (Roadmap) • Anacostia Waterfront Development Zone • Stormwater management • Groundwater • Lead-paint and asbestos work practices • Use of volatile organic compounds (VOC) • Energy Benchmarking • Green Area Ratio • RiverSmart Homes/Communities • DCSEU

  26. Permitting Process • Green and Energy reviews are integrated into the standard permit application and review process • Updated online permit application • Project will be assigned a Green Review depending on applicability • No Third Party green plan review • All projects will be reviewed for Energy Conservation Code compliance • List of required documents for each Green and Energy Review by permit type and compliance path

  27. Permitting Process • Construction documents with sufficient detail and clarity to show compliance with Energy Code: • Mechanical Equipment Efficiency and Sizing • Duct sealing • Air Sealing Details • Envelope/Insulation values • Fenestration U-factors and SHGC

  28. Submittals (Building Permit) • Green Building Act • ENERGY STAR Target Finder Score • Financial Security Understanding, if applicable • Compliance Path Selection and Documentation • LEED • Enterprise Green Communities • Green Code • Alternative Pathways (ASHRAE 189.1, LEED, Green Communities, ICC 700) • Raze and Site Work Permit

  29. Building Inspections • Green and Energy Inspections integrated into the inspection process, will occur simultaneously with other required inspections • All projects required to use third party to complete performance testing: • Commissioning, Air Leakage Tests, Duct Leakage Tests • No Green Third Party Inspections

  30. Certificate of Occupancy • Green Code requires a number verifications prior to issuance of a certificate of occupancy • First CofO for a floor above grade plane in projects where there are multiple certificates of occupancy • If project must meet post-occupancy requirements, a CofO will not be granted unless the code official determines that the project is on track to be verified in accordance with the path selected

  31. Certificate of Occupancy • GBA: Financial Security prior to issuance of a certificate of occupancy by one of four methods: • Cash • Irrevocable letter of Credit • Bond • Binding Pledge

  32. Post Occupancy • Green Building Act and Green Construction Code allow for verification after a building is occupied for some of the green building requirements • Due dates vary : • Pay close attention to when your documentation is due to avoid any issues and/or fines • If using a third party verification system be sure to familiarize yourself with the deadlines for those programs to ensure your project remains eligible

  33. Sectional Reference Guide • Section Summary • A detailed summary of each code section that gives additional guidance, considerations, design details, and other resources that will help building professionals develop a deeper understanding of the code section, connect the dots to larger green building topics, and “read between the lines” of the specific code section. • Rationale, Benefits and Intention • A summary that states the importance of the section and why it is included in the green or energy code

  34. Sectional Reference Guide • Best Practices • A list and description of industry best practices that are used to implement and meet the requirements of each code section, specific to the District’s climate zone • Innovations • A list of innovative techniques, products, and/or methods that are being used to successfully implement each code section • Timeline • Guidance on when in the construction timeline the section should ideally be considered and addressed by the project team

  35. Sectional Reference Guide • Resources • A list and description of critical journals, supplementary codes, web resources, books, and other resources that can be used for additional guidance when applying the green and energy codes • Related Codes and Referenced Standards • A list of references to related ICC codes, other codes, and/or other referenced standards in each section. • Additionally, lists of all pre-approved agencies, processes, sources, standards and other references throughout the Green Construction and Energy Conservation Codes that site an “approved” alternative to the stated code language.

  36. Questions? • Dave Epley • Green Building and Sustainability Coordinator • Department of Consumer and Regulator Affairs • Green.building@dc.gov • Fulya Kocak • Director of Sustainable Solutions, • Clark Construction Group • Fulya.kocak@clarkconstruction.com • Patrick Kunze • Senior Principal • GHT Limited • Pkunze@ghtltd.com

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