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Town Lake Center 5th Floor Renovation- LEED Profile

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A LEED Performance Report on the sustainable design and construction of the City of Austin's Town Lake Center 5th Floor Renovation

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Town Lake Center 5th Floor Renovation- LEED Profile

  1. 1. Town Lake Center 5th Floor Renovation LEED Performance Report BROUGHT TO YOU BY THE OFFICE OF THE CITY ARCHITECT
  2. 2. ACKNOWLEDGEMENTS The following Performance Reports were created in accordance with Council Resolution 20071129-045. The City of Austin is a recognized international leader in sustainable building practices in which municipal building strive to conserve energy, water, and other natural resources while promoting human health and safety. The holistic approach to architecture creates high-quality and enduring structures that enhance the economic value and reduce the lifecycle costs of a building. Design and construction of buildings are driven by the United States Green Building Council’s (USGBC) Leadership in Energy and Environmental Design (LEED) guidelines and promote these goals. The following reports provide information about municipal buildings, highlight LEED credentials, and promote sustainable building achievements. City of Austin Office of the City Architect Peter Davis, AIA, LEED AP Peter.Davis@austintexas.gov Theresa Cascio Silvia Calderon Laiton Angela Cai 2018
  3. 3. ACKNOWLEDGEMENTS Owner: City of Austin & Austin Energy Architect: Architecture Plus MEP Engineer: Guerra Contractor: Tolero Construction Commissioning Agent: Austin Energy
  4. 4. REDUCES ENERGY CONSUMPTION REDUCES POTABLE WATER USE DIVERTS MATERIALS FROM LANDFILL PROMOTES ALTERNATIVE TRANSPORTATION IMPROVES INDOOR EXPERIENCE IACP pg. 191 IACP pg. 11 IACP pg. 53 IACP pg. 187 IACP pg. 205 The following can be found in The IMAGINE AUSTIN Comprehensive Plan (IACP)
  5. 5. The 125,000 square foot office building was constructed in 1986 and was purchased by Austin Energy the same year. Since that time, Austin Energy has utilized the building for its green building initiatives including: LED lighting and reduced wattage fluorescent retrofits, bicycle parking, electrical cycle parking, electric car charging stations and remote building energy management. The project is for the renovation of a portion of the fifth floor of a city facility. Austin Energy created GreenChoice, a Green-e certified energy program, in 1999. Subscribers to this program purchase energy produced from 100 percent renewable energy provided by wind farms located in West Texas. 250 kWh/sf in the project space per year is provided by renewable energy, far more than the requirement of LEED. Sustainability is also achieved by installing a roof with high SRI materials for a minimum of 75 percent of the roof area. This project applied the SmartBuilding solution, which involves the occupants in the energy savings process and they are active, involved participants in the energy consumption optimization of the building and building operations. Multiple meters were installed on every floor of TLC and on every main “electrical artery” within the building in 2011, allowing SmartBuilding to show each zone of the building and the energy distribution to wall plugs, lighting, and to air handling, heating and cooling. The indoor environmental quality is achieved through the guidance of the city. 60 percent of the original interior nonstructural elements were retained or reapplied in this project. 75 percent by of the waste generated from this project is recycle or salvage for reuse a minimum of, therefore diverting this waste from landfills and incinerators. TOWN LAKE CENTER 5TH FLOOR RENOVATION 721 Barton Springs Road, Austin, TX, 78704 LEEDv3 ID+C: Commercial Interiors AWARDED LEED SILVER FEB 2016 ARCHITECTURE PLUS
  6. 6. TOWN LAKE CENTER 5TH FLOOR RENOVATION 721 Barton Springs Road, Austin, TX, 78704 LEED SILVER 2016 REDUCES ENERGY CONSUMPTION 1 2 3 This building is on Austin Energy GreenChoice 100% renewable energy powered by West Texas wind Localized and user-controlled lighting aid in reducing artificial light use Energy performance is optimized in heating, cooling, appliances, lighting, and occupancy sensors This savings is equivalent to: 2,913 Cell phones’ watt usage 1,165 LED lightbulbs 65%REDUCTION INTERIOR LIGHTING POWER DENSITY BROUGHT TO YOU BY THE OFFICE OF THE CITY ARCHITECT STRATEGIES:
  7. 7. 1 2 3 REDUCES POTABLE WATER USE Potable water is a valuable resource that can be significantly reduced in the design phase of a building High-efficiency low-flow fixtures are used to help reduce water consumption and costs, yielding water savings and reduced utility bills The landscaping and irrigation systems have been designed to reduce irrigation water consumption from a calculated baseline case Per year110 Drinking water for 1 Average sized swimming pools 499 Bathtubs This annual savings is equivalent to: 20kGal of water TOWN LAKE CENTER 5TH FLOOR RENOVATION 721 Barton Springs Road, Austin, TX, 78704 LEED SILVER 2016 33%REDUCTION INDOOR POTABLE WATER USE BROUGHT TO YOU BY THE OFFICE OF THE CITY ARCHITECT STRATEGIES:
  8. 8. 1 2 3 DIVERTS MATERIALS FROM LANDFILL All uncontaminated materials are recycled including all paper items, corrugated cardboard, all metals, concrete and masonry, all wood and carpet The construction waste management plan primarily utilizes on-site comingled collection and off-site materials sorting An educational plan was implemented including waste prevention, recycling activities and guided tours to educate subcontractors on sustainable goals and requirements This savings is equivalent to: 88Metric tons of GHG emissions 10 Energy consumed by Per year Garbage trucks5 Times Driving around Earth 9 TOWN LAKE CENTER 5TH FLOOR RENOVATION 721 Barton Springs Road, Austin, TX, 78704 LEED SILVER 2016 83%REDUCTION LANDFILL WASTE BROUGHT TO YOU BY THE OFFICE OF THE CITY ARCHITECT STRATEGIES: Metal 57% 12% Wood 8% Concrete 23% Other A CLOSER LOOK AT DIVERTED WASTE:
  9. 9. REDUCTION AND REUSE OF MATERIALS 1 2 3 Recycled materials can include materials from the structural components to the building’s finishes and are important for preservation of the environment The building reused 49,254 sq.ft. of the existing 75,784 sq.ft. including finished ceiling, flooring, interior wall partitions, doors within interior walls, exterior walls & built-in interior case goods A CLOSER LOOK at reused materials and elements: Built-in interior Case goods: 95 sf Interior Wall Partitions: 28,553 sf Finished Ceiling : 15,974 sf Finished Flooring: 570 sf Doors within Interior Walls 504 sf Exterior Walls: 3,558 sf Total Area 75,784 sf Prefabricated components are another great method of reducing material scraps and packaging TOWN LAKE CENTER 5TH FLOOR RENOVATION 721 Barton Springs Road, Austin, TX, 78704 LEED SILVER 2016 65%REUSE OF ORIGINAL BUILDING BROUGHT TO YOU BY THE OFFICE OF THE CITY ARCHITECT STRATEGIES:
  10. 10. This savings is equivalent to: = Alternative transportation includes: 30Bicycle stalls Miles of commuting per year 31 75,000 Metric tons of CO2 emissions PROMOTES ALTERNATIVE TRANSPORTATION 1 2 3 The bike facilities are available to the whole building not just the LEED project area There are 6 Capital Metro lines within ¼ mile of the building. Vicinity to public transportation promotes alternative methods of travel No new vehicle parking spaces were added on-site 49% of Users have Access to Bicycle Stalls Bicycle Stalls: 30 Total Peak Users: 61 TOWN LAKE CENTER 5TH FLOOR RENOVATION 721 Barton Springs Road, Austin, TX, 78704 LEED SILVER 2016 BROUGHT TO YOU BY THE OFFICE OF THE CITY ARCHITECT What about shared transportation? STRATEGIES:
  11. 11. IMPROVES INDOOR EXPERIENCE 1 2 3 A CLOSER LOOK: AT VOC CONTENT ADHESIVES & SEALANTS PAINTS & COATINGS COMPOSITE WOOD 5 OUT OF 5 CREDITS ACHIEVED FOR LOW-EMITTING VOLATILE ORGANIC COMPOUND (VOC) CONTENT ADHESIVE & SEALANTS PAINTS & COATINGS FLOORING SYSTEMS COMPOSITE WOOD FURNITURE & SEATING FURNITURE & SEATING FLOORING SYSTEMS Ventilation air is provided through louvers with motorized dampers in the mechanical penthouse Smoking is prohibited within 25 feet of entries, outdoor air intakes, and operable windows Space mounted CO2 sensors monitor space CO2 levels to ensure that ventilation systems maintain design minimum ventilation requirements Baseline: 685 g/L Baseline: 900 g/L Design: 89.16 g/L Design: 389 g/L Design: No VOCs Design: No VOCs Design: No VOCs TOWN LAKE CENTER 5TH FLOOR RENOVATION 721 Barton Springs Road, Austin, TX, 78704 LEED SILVER 2016 100% SPACES WITH INDIVIDUAL LIGHTING CONTROLS BROUGHT TO YOU BY THE OFFICE OF THE CITY ARCHITECT STRATEGIES:
  12. 12. RESOURCES Leedatx.com USGBC Website usgbc.org/leed Project Profile usgbc.org/projects/town-lake-center-5th-floor-renovation Imagine Austin Imagine Austin Vision austintexas.gov/department/imagine-austin Comprehensive Plan ftp://ftp.ci.austin.tx.us/npzd/ImagineAustin/IACP_corrected2018.pdf EPA Waste Reduction Model epa.gov/warm/versions-waste-reduction-model-warm#WARM Tool V14 GHG Conversion Calculator epa.gov/energy/greenhouse-gas-equivalencies-calculator Public Works Department Website austintexas.gov/department/public-works PWD Capital Green Infrastructure austintexas.gov/page/green-capital-improvement-projects BROUGHT TO YOU BY THE OFFICE OF THE CITY ARCHITECT Office of the City Architect Contact Us pwdcityarchitect@austintexas.gov Team Peter Davis, AIA, LEED AP LEED/Sustainability Project Manager Peter.Davis@austintexas.gov Theresa Cascio Silvia Calderon Laiton Angela Cai

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