Notes
Slide Show
Outline
1
Wood Fired Boiler
Heating System
  • With assistance from:
  • USDA Forest Service
  • Alaska Energy Authority
  • USDA Natural Resource Conservation Service
  • Denali Commission
2
Project Scope
  • Install wood-fired boiler to reduce heating costs at three city-owned buildings.


  • Supplement existing propane heating system at the Craig Aquatic Center.


  • Supplement existing diesel heating systems at the Craig Elementary and Craig Middle School buildings.
3
Current Fuels
  • Propane at Craig Swimming Pool
    • $70,000 in 2004



  • Oil at Craig School
    • $20,000 in 2004

4
Proposed Fuels
  • Kiln-dried Planer Shavings
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Proposed Fuels
  • Wood Chips                        Hog Fuel
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Proposed Boiler Site
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Feasibility Reports
  • Two feasibility reports on the project were completed
    • Murray & Associates
    • T.R. Miles Technical Consultants

  • Both reports recommend augmenting existing heating system at the Craig Aquatic Center.
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Engineering Phase
  • Engineering Services bid cost:  $100,000
  •   R&M Engineering – Ketchikan, AK
  •        lead contact & civil engineering
  •   Subcontractors:
  • CTA Architects/Engineers – Missoula, MT
  •   -  mechanical engineering subcontractor
  • Northstar Power Engineering – Craig, AK
  •   -  electrical engineering subcontractor


  • Engineering costs shared by
    • City of Craig $40,000
    • USDA Forest Service $30,000
    • AK Energy Authority $30,000


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Draft Architectural Drawing A100
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Draft Architectural Drawing A101
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Revised construction estimate:  $1,417,237
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Wood-fired Boiler
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CHIPTEC Gasifier
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