on shaky ground – ais conference 2014 association of integrated schools 2014 conference ‘on...
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On Shaky Ground – AIS Conference 2014
Association of Integrated Schools2014 Conference
‘On Shaky Ground’
Impacts on Property from the Christchurch Earthquakes
Workshop Presentation by Stuart AndersonDirector, Signal Management Group
On Shaky Ground – AIS Conference 2014
Presentation Outline
1. What caused the damage – five earthquake impacts
2. How buildings performed
3. How building regulations have already changed
4. New buildings – ‘resilient’ buildings
5. Existing buildings – ‘earthquake prone’ buildings
6. Strengthening Options
7. The hidden costs of compliance – fire and accessibility
8. Other opportunities – Modern Learning Environments
9. Question time
On Shaky Ground – AIS Conference 2014
Durham Street Methodist Church Christchurch
On Shaky Ground – AIS Conference 2014
Durham Street Methodist Church Christchurch
On Shaky Ground – AIS Conference 2014
The Five Things That Cause Quake Damage
• Ground shaking
• Uplift
• Liquefaction
• Lateral spread
• Building collisions
On Shaky Ground – AIS Conference 2014
Effects of liquefaction
On Shaky Ground – AIS Conference 2014
Building Code – Clause B1 Structure
“The objective of this provision is to:
a) Safeguard people from injury..
b) Safeguard people from loss of
amenity…
c) Protect other property…”
On Shaky Ground – AIS Conference 2014
Importance Levels – Summary
1. Low risk: non-habitable
2. Most residential, commercial and industrial buildings,
(including until recently, most school buildings)
3. Large concentrations of people, special purpose
infrastructure (and all new state school buildings)
4. Hospitals and emergency services, essential
infrastructure
5. High risk special purpose
On Shaky Ground – AIS Conference 2014
Base Isolators – Te Papa
On Shaky Ground – AIS Conference 2014
Structural Damping
On Shaky Ground – AIS Conference 2014
PRESSS
On Shaky Ground – AIS Conference 2014
PRESSS
On Shaky Ground – AIS Conference 2014
Wanaka Police Station
On Shaky Ground – AIS Conference 2014
Strengthening – Exterior Options
On Shaky Ground – AIS Conference 2014
Case Study – Two Storey Hostel Building
On Shaky Ground – AIS Conference 2014
Case Study – Two Storey Hostel Building
On Shaky Ground – AIS Conference 2014
Case Study – Two Storey Hostel Building
On Shaky Ground – AIS Conference 2014
Case Study – Two Storey Historic Homestead
On Shaky Ground – AIS Conference 2014
Building Controls
Building Act
Building Regulations
Building Code
Acceptable Solutions
Verification Methods
Alternative Solutions
On Shaky Ground – AIS Conference 2014
State School Spending Priorities
1. Health and Safety
2. Essential Infrastructure
3. Modern Learning Environments
On Shaky Ground – AIS Conference 2014
MLE Core Standards
• Flexibility• ICT• Furniture• Specialist Areas • Student Support Spaces• Teacher Support Spaces• Internal Environments• Sustainability• Accessibility
On Shaky Ground – AIS Conference 2014
South Otago High School – new technology block
On Shaky Ground – AIS Conference 2014
Silverstream School – existing block upgrade
On Shaky Ground – AIS Conference 2014
MLE Core Standards
• Flexibility• ICT• Furniture• Specialist Areas • Student Support Spaces• Teacher Support Spaces• Internal Environments• Sustainability• Accessibility
On Shaky Ground – AIS Conference 2014
Conclusion – key questions
• What level of NBS to strengthen to?
• What unintended consequences might
there be?
• What opportunities are there?