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Published byWendy Byrd Modified over 8 years ago
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Hennepin County Property Services Minneapolis Building Energy Disclosure Policy USGBC April 15, 2014
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Hennepin County 84 Buildings 8,266,110 gross square feet – 35 Libraries – 10 Office/Courts Buildings – 11 Public Works Buildings – 5 Medical Buildings – 23 Correctional/Sheriff Facilities
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Case Studies Hennepin County Library – Central EUI = 44.9 kBtu/sf SB 2010-15 Goal = 48.5 kBtu/sf 60% Better Than Average
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Energy Star Entry Manually Excel spreadsheet upload Third party – Consultant – Energy tracking program
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EnergyCAP
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Garbage In, Garbage Out
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Data Entry Entry errors – Extra zero – Decimal points – Switched numbers – Half bills Units of measurement – Therms vs cubic feet – Units, gallons, kgal
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Office Building Gross Floor Area
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Total size between exterior surfaces Includes elevator shafts, but not pipe and ventilation chases Not the same as rentable space Leased spaced included in GSF Atriums calculated by base floor only Parking garages/lots are included if under building utility meter but entered separately
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Office Building Gross Floor Area Weekly Operating Hours
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Total hours property is occupied by a majority of the employees Not hours occupied by support staff (security, maintenance, cleaners) Not the same as the HVAC schedule Follow most common schedule for varied schedule
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Office Building Gross Floor Area Weekly Operating Hours Number of Computers Number of Workers on Main Shift Percent That Can Be Heated Percent That Can Be Cooled
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Energy Star Glossary https://portfoliomanager.energystar.gov/pm/glossary
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Energy Star Quick Start Guide http://www.energystar.gov/buildings/sites/default/uploads/tools/ EnergyStar_QuickStart_508.pdf
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Benefits of Benchmarking Identify high energy use buildings Prioritize building improvements Focus money and effort on low hanging fruit Set targets for buildings Create competition Recognition for accomplishments
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Hennepin County Property Services 5-Year Energy Consumption (MMBtu)
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Property Services Accomplishments Building Recommissioning Lighting Upgrades 7-Year Energy Plan Water Conservation Hennergy Awards B3 Guidelines for New Building Design Daytime Janitorial Night Walks Building Operator Certification Program
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Questions? Leah Hiniker, Energy Manager leah.hiniker@co.hennepin.mn.us 612.543.1219
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