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Project 1658

Bush School - Upper School South

Seattle, Washington

Building Function

School / Education
Project Type

New Construction
ASHRAE Climate Zone

4C - Mixed - Marine
Construction Completion

2019
Status

Final Certified
INT. Conditioned Floor Area

19099 sq. ft.

Core Project Team

Phius CPHC (Secondary)

David Mead
Phius Certified Verifier

Chris Edlin
Phius CPHC (Lead)

Daniel Luddy
Project Submitter

Daniel Luddy

Project Information

- Building Function
  
  School / Education
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Stories
  
  3
- Program Version
  
  PHIUS+ 2018 Source Zero
- ADD'L Certification Badges
  
  PHIUS+ Source Zero
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  19099 sq. ft.
- Status
  
  Final Certified
- Design Certification
  
  August 22, 2022
- Final Certification
  
  July 20, 2023
- Construction Completion
  
  2019
- ASHRAE Climate Zone
  
  4C - Mixed - Marine
- Region
  
  Northwest

Performance

- Annual Heating Demand
  
  4.34
- Annual Cooling Demand
  
  0.6
- Peak Heating Load
  
  4.3
- Peak Cooling Load
  
  1.28
- Site Energy Use Index (EUI)
  
  21.86
- Site Energy Use Index (w/Renewables)
  
  -7.9
- Compliance Software
  
  WUFI Passive
- Source Energy (Non-Residential)
  
  61.22
- Air Tightness (per enclosure area)
  
  0.047

Enclosure

- Wall 1 Type
  
  Framing with Continuous Insulation
- Wall 1 R-Value
  
  25
- Wall 1 Insulation Type
  
  Fiberglass, Mineral Wool (Cavity)
- Wall 2 Type
  
  Framing with Continuous Insulation
- Wall 2 R-Value
  
  25
- Wall 2 Insulation Type
  
  Fiberglass, Mineral Wool (Cavity)
- Wall 3 Type
  
  Framing with Continuous Insulation
- Wall 3 R-Value
  
  21
- Wall 3 Insulation Type
  
  EPS, Fiberglass
- Roof 1 Type
  
  Vented Below Deck
- Roof 1 R-Value
  
  59
- Roof 1 Insulation Type
  
  XPS
- Roof 2 Type
  
  Vented Above Deck
- Roof 2 R-Value
  
  66
- Roof 2 Insulation Type
  
  XPS
- Roof 3 Type
  
  Vented Below Deck
- Roof 3 R-Value
  
  68
- Roof 3 Insulation Type
  
  XPS
- Floor Type 1
  
  Basement Slab
- Floor 1 R-Value
  
  8
- Floor 1 Insulation Type
  
  EPS
- Window Product Name 1
  
  Operable
- Whole Window U-Value 1
  
  0.16
- Window Frame Material 1
  
  Fiberglass
- Window Glazing SHGC 1
  
  0.25
- Window Product Name 2
  
  Fixed
- Whole Window U-Value 2
  
  0.16
- Window Frame Material 2
  
  Fiberglass
- Window Glazing SHGC 2
  
  0.25
- Window Product Name 3
  
  Storefront Fixed
- Whole Window U-Value 3
  
  0.4
- Window Frame Material 3
  
  Aluminum
- Window Glazing SHGC 3
  
  0.24
- Door Product Name
  
  Storefront Glazed Doors
- Whole Door U-Value
  
  0.57
- Door Frame Material
  
  Aluminum

Systems & Equipment

- Ventilation System Layout
  
  Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  71
- Heating System Type
  
  Electric Resistance
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Heat Pump Water Heater
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  150383