investigations after the disaster – informing the decision ...€¦ · • informing decision...
TRANSCRIPT
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Investigations after the disaster –Informing the decision makersPaul Burton
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What’s under the roads?• Overview and awareness• Ambulance at the bottom of the cliff? Driving it to the top…• TC3 – collaborative investigations – a temporary team• Horizontal Services – profiling• Learnings
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TC3 - Outline
• What happened?• 2010 – response• 2011 – response• TC3• The benefits• The challenges
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Canterbury Earthquake Sequence
• 4 Major Events
• 4th September 2010 – 7.10 – 11km deep• 22nd February 2011 – 6.41 – 6.9km deep• 13th June 2011 – 6.34 – 6.0km deep• 23rd December 2011 – 6.00 – 7.0km deep
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Canterbury Earthquake Sequence
• 4 Major Events
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Site Investigations
• Our work is focusing on site investigations for
• September 4th 2010• February 22nd 2011
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September 2010 – Liquefaction damage
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February 2011 – Liquefaction damage
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September 2010 - Scope
• CBD still intact• Travel not highly affected around area• Service plans easily sought – paper• Flexible staff from various offices• Based in T&T office, Kilmore St.
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September 2010 - Scope
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February 2011 - Scope
• CBD still not intact
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February 2011 - Scope
• Travel not highly affected around area
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February 2011 - Scope
• Service plans not easily sought – paper , iPads– service providers worrying about supply andtheir own offices.
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February 2011 - Scope
• Flexible staff from various offices companies• 20+ suppliers• Over 100 seconded personnel• 20 sub-contractors• Over $4million to seconded/contractors• CETANZ members contacted first.
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February 2011 - Scope
• Based in T&T office, Kilmore St.• Moved to T&T Parkhouse Rd
• Moved to Geotechnics Parkhouse Rd• Moved to TC3 office Stanmore Rd
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February 2011 - Scope
• Based in T&T office, Kilmore St.• Moved to T&T Parkhouse Rd
• Moved to Geotechnics Parkhouse Rd• Moved to TC3 office Stanmore Rd
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February 2011 - Scope
• Based in T&T office, Kilmore St.• Moved to T&T Parkhouse Rd
• Moved to Geotechnics Parkhouse Rd• Moved to TC3 office Stanmore Rd
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February 2011- What is TC3?
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February 2011- What is TC3?
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February 2011- What is TC3?
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February 2011 – TC3
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February 2011 – TC3
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February 2011 – TC3
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February 2011 – TC3
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February 2011 – TC3
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February 2011 – TC3
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February 2011 – TC3
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February 2011 – TC3
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Christchurch Scope & Programme
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Christchurch TC3
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Christchurch TC3
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Benefits
• Canterbury Recovery – faster• Uses wider resource available• Opportunity for individuals and companies• Wider industry collaboration• Development of best practice• Wider acceptance of standard practice
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Challenges
• Health & Safety• The Prisoner’s Dilemma• Ever moving goal posts• International peer review• Logistics – diverse backgrounds
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An outstanding team
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SCIRT Pipe MonitoringEmbracing the ‘Poo’ with Excellence &Innovation:
- Creating- Collaborating- Problem solving- Going the extra mile
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The Challenges
- Sheer volume of work- Mobile operation- Nearly all manholes located on
roads- Poor condition of roads
(volume of roadworks/driverbehaviour)
- Weather conditions(implications for staff andprofilometer
- Health and hygiene (prior allhad tetanus, Hep A and Hep Binjections)
- Quantity of (stressed) residentsat home
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-2.65
-2.6
-2.55
-2.5
-2.45
-2.4
-2.35
-2.3
-2.25
-2.2
0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00
Elev
atio
n(m
belo
wU
/Sm
anho
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Pipe Distance (metres)
Sewer Profile_July 26 2012_19282_18755 d/s to 18756 u/s_Putake Drive
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-2.4
-2.35
-2.3
-2.25
-2.2
-2.15
-2.1
-2.05
-2
-1.95
-1.9
0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00
Elev
atio
n(m
belo
wU
/Sm
anho
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Pipe Distance (metres)
Sewer Profile_29 May 2013_23516_23002 d/s to 23001 u/s_Leaver Terrace
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-2.85
-2.8
-2.75
-2.7
-2.65
-2.6
-2.55
-2.5
-2.45
-2.4
-2.35
-2.3
-2.25
0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00
Elev
atio
n(m
belo
wU
/Sm
anho
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Pipe Distance (metres)
Sewer Profile_November 18 2013_24331_23778 d/s to 23777 u/s_Halsey Street
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-1.35
-1.3
-1.25
-1.2
-1.15
-1.1
-1.05
-1
-0.95
-0.9
-0.85
-0.8
0.00 10.00 20.00 30.00 40.00 50.00
Elev
atio
n(m
belo
wU
/Sm
anho
le)
Pipe Distance (metres)
Sewer Profile_March 18 2014_9125_9115 d/s to 9116 u/s_Dulles Place
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No previous sewerexperience: potentialchallenges unknown
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The rigid metal extension preventsthe nozzle from bending into thelateral property connection andreduces the occurrence of‘blowback’
Blow Back
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The manhole hatch eliminates the risk of theopen manhole while profiling
Manhole Hatch
Non-slip floor surface
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The profilometer guidewheel was designed toeliminate the requirementsfor Confined Space Entry,thereby significantlyreducing hazards to staff
Profilometer GuideWheel
The profilometer cable is easilyinserted into the sewer pipe fromthe surface without snagging
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Cap is unscrewed, removedand replaced using thisdevice
Design of a cap removaldevice eliminates therequirement for ConfinedSpace Entry
Cap Removal Device
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The purpose built manhole cover remains inplace at the jetting truck end of theoperation while jetting is carried out. Thiseliminates a fall hazard.
Manhole Cover
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Tally to date:148.3kms profiled2340 assets
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Bill Perry Safety Award
Regional award foroutstanding safetyinnovations, that havebeen successfullyimplemented and haveimpacted across thewider industry
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Site Safe – AWF GroupSafety Innovation Award
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Overview• 2 of the many Christchurch projects• It’s all about the people• And the data• Informing decision makers now and into the future.
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Thank you for your attention
• Thank you to:-• EQC• SCIRT• Geotechnics• Tonkin + Taylor• CETANZ• All companies that supplied and seconded staff