Ann Arbor District Library

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Going GreenBuilding a Sustainable Library

• Ann Arbor District Library
• Malletts Creek, Pittsfield and the proposed
  Northeast branches
• Josie Parker
• Director
• parkerj_at_aadl.org
• www.aadl.org

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Sustainability Theme WHY?

• Sustainability is a new and critical Big Idea
• Resonates with customers
• Aids permitting process
• Planning process
• Storm water concerns
• Personal convictions about what is Right

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Sustainability and Civic Art

• Civic Art is.
• Public bodies have a duty to lead
• Libraries are key institutions in community
  learning efforts

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Budget (and Irony)

• Sustainability Theme grew out of 00/01
  embezzlement and financial crisis
• Established firm budget footing and financial
  controls
• Branch building program Cashflow Financing
• 12-14,000 SF - 5.0 million each
• Evaluate sustainability within operations
• Building and Systems use less energy
• Personnel enable function at wide range of
  staffing

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Malletts CreekSustainable Architecture
Carl Luckenbach, FAIA Luckenbach Ziegelman
Architects PLLC
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Public Entry
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View towards Reading Room
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Sustainable Design

• Its Good Citizenship

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Winter
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Summer
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Vegetated Roof
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Glulam Structure
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Life Cycle Analysis

• Present Worth (PW) todays cost
• Annualized method equivalent uniform annual
  cost method
• Payback method
• Breakeven point

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Life Cycle Analysis
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Site Landscape

• Case Study
• Sandy soil
• 65 of site for native plantings
• Eliminated piping
• No irrigation required
• Vegetated roof
• Shared parking
• Fill site

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Site Landscape
Bio-Swale
Conventional
Total Life Cycle Costs (PW)
175,688 192,557
Total Life Cycle Costs (Annualized)
13,178 14,444
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Vegetated Roof

• Case Study
• Roof system design
• Conventional ballasted roof 11 lbs/s.f.
• Mallets Creek Library 15 lbs/s.f.Thermal
  performance
• Conventional roof R-19
• Mallets Creek Library R-30 min.
• Reduction of stormwater runoff
• 50 storm runoff
• 0 runoff in light rain
• Gutter and downspout spill onto grade
• Alternatives
• Standing seam metal roof
• Copper standing seam roof

Courtesy Charlie Miller, Roofscapes, Inc.
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Vegetated Roof
Vegetated Roof
Standing Seam Metal
Total Life Cycle Costs (PW)
263,132 264,229
Total Life Cycle Costs (Annualized)
19,737 19,820
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Energy HVAC Systems
Alternatives Fin-tube radiation DX cooling
Conventional controls Conventional roof

• Case Study
• Ground-mounted condenser unit
• In-building AHU
• Energy recovery unit
• In-floor radiant heat
• Roof R-value
• Capture sunlight for solar gain

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Energy HVAC Systems
Design with Energy Recovery
Conventional
Total Life Cycle Costs (PW)
231,145 448,069
Total Life Cycle Costs (Annualized)
17,338 33,609
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Spatial Quality
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Reading Room
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Site Planning Goals

• Storm water part of design early in process
• Reduce imperviousnessshared parking
• Minimize the use of Underground Structuresspend
  money above ground
• Use the Site Native Plants to Clean Storm Water
• Visitor experiences storm waternot hidden

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Storm Water Management
Roof-clean water

• Storm Water is Broken up for Appropriate
  Management
• Separate the clean from the dirty
• The path of the clean Storm Water flowing off
  the roof

Parking Lot-dirty water
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Storm Water Management

• Move Storm Water along the Longest Path
• Increase Infiltration Groundwater Recharge
• Slow, Clean, Cool Storm Water

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Installation Issues
Materials
Contractor Experience
Specifications
Construction Sequencing
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• MonitoringCMI Grant
• Roof
• Bioswales
• Detention
• Measuring
• Pollutants (water quality)
• Water Quantity
• Vegetation
• Volunteer and professional

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One project can make a difference!
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Pittsfield Branch
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Pittsfield Branch
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Pittsfield Youth Area
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Pittsfield Circulation Area
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New Northeast Branch Site
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Northeast BranchElevations
Michael Guthrie, AIA Van TineGuthrie Studio of
Architecture
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Continuing Sustainability

• Each Site offers unique opportunities
• Site attributes will dictate which technologies
  are applicable
• Examine all viable options to develop a
  sustainable design that works for the site and
  for the local government
• Work with experts who stay current on emerging
  techniques

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Sustaining Sustainability

• Make an Organizational Commitment to creating a
  Sustainable Community
• Educate Staff, Boards, and the Public
• Plan to spend more up front
• Examine the sustainability of the entire
  organization, not just facilities
• Lead the way for your community

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Thank You! Josie Parker Director Ann Arbor
District Library parkerj_at_aadl.org