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TRB Conference Kalispell Carly Hamlin 2019 Fulton Hogan Ltd The - - PowerPoint PPT Presentation
TRB Conference Kalispell Carly Hamlin 2019 Fulton Hogan Ltd The - - PowerPoint PPT Presentation
TRB Conference Kalispell Carly Hamlin 2019 Fulton Hogan Ltd The Trip www.fultonhogan.com Vancouver - The Sustainable City Greenest City action plan Zero Emission Buildings Zero Waste 2040 Climate Change Adaption Strategy
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Vancouver - The Sustainable City
- Greenest City action plan
- Zero Emission Buildings
- Zero Waste 2040
- Climate Change Adaption Strategy
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Rocky View County
- Similarities in network size and climate
- Capital plant expenditure
- ONRC classification
- Grader Blade Initiatives
- Working alone procedures
- Winter maintenance - Epoke spreaders
- Sealed Pavements
- Unsealed Pavements
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Sharq Blade System
Benefits
- Remixes the hardest compact surfaces
- Spreads fines evenly
- Breaks up compacted gravel without
crushing
- Less wear on gear / operator
- Reduced fuel consumption
- Thinner, sharper blades
- Reduces the need for regravelling
- Lightweight (18kg) + Quick Assembly
- Gravel + ice/snow
- Quick change over
- Last 35% longer
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Epoke Spreaders
- Combination liquid & grit
- Belt driven
- State of the art Electronics
- Custom dosage
- Grit application
- Hydraulic pump (not PTO)
- $100k USD
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Sealed Pavements
- Asphalt (very minimal chipseal)
- Widening projects – 15km per year
- Asphalt price $85 vs $300-600/T
- Lack of preventative maintenance
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Unsealed pavements
- 1,600 km, no set programmes
- 14 graders, watercarts, walk & rolls
- Metalling programme - 1/3 of network every year
- Gravel extraction sites
- Unsealed Stabilisation projects
- Calcium Chloride
- 100-200mm application
- 4.5% crossfall
- Blends 32-92%
- 3L per m2
- 4 year cycle
- $8000 per km stabilise
- $5/m3 crushed gravel
- Residual Chloride test
- Dust Suppressant
Property 170m perpendicular to road 200m chloride spray section
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TRB International Conference
Kalispell, Montana
76 % unsealed National Park Area
- Four days
- 300+ attendees
- 20+ countries
- Field Trip
- 150 presentations
- Poster sessions
- Panel sessions
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Key Focus Areas
- Climate resilience
- Reducing CO2 emissions
- Planning for increased intensity/frequency
- Aquatic passages
- Slope stabilisation through rejuvenation projects
- Wood chip bioreactors for Nitrogen runoff removal
- Technology
- Pavement Sensors – understanding your subbase
- Drone assessments
- Dust analysis through roadroid
- Low Cost Low Risk Safety Improvements
- Characterising your network by known risks
- Nominal & Substantive
- Treat high risk sites within limited budgets
- Similarities & Confidence
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Low Cost Safety Improvements
- What is low cost?
Recognise RwD Crashes
- Can a roadway have improvements that make it safer, more safe, or
safe?
Systemic Screening vs Conventional
Proactive Reactive No crashes ≠ no risk No crashes + risk = no risk Site Specific Crashes Uses Crashes & Risks
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Examples of improvements
- Sealing a gravel road
- Signage & Signalised lighting
- Pavement marking & RRPMs
- Proactive surface maintenance
- Reduced shoulder slope
- Removal of roadside hazards – clear zone
- Barrier installation and reflectivity
- Rumble stripes / transverse stripes
- Roundabouts/lane separation
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