Bird in Hand Gold Mine Transport Task Focus Group 16 th August 2017
What’s moving? • Haulage of ore • Other trucks (supplies) • Company vehicles • Employee vehicles • Visitor vehicles
How much is moving? Average ore yield = 100 000t/annum Peak ore yield = 140 000t/annum
What type & how many vehicles? • Ore haulage vehicles – 19m Rigid Truck and Dog; 12 loads = 24 movements per day • Other supply trucks – Rigid Trucks thru’ to Semi-Trailers 2 loads = 4 movements per day • Company vehicles - Utes/SUV’s 5 vehicles = 10 movements per day • Employee vehicles – Cars 15 cars per shift (2 shifts per day) = 60 movements per day • Visitors – Cars 3 cars = 6 movements per day TOTAL movements per day = 104
How many vehicles? Overall, the mine site is expected to generate approximately 104 movements per day on Pfeiffer Road and the surrounding road network
Where will vehicles travel? • Ore haulage – Woodside to Strathalbyn • Other supply trucks – depends on type of delivery • Company vehicles – depends on activity/user • Employee vehicles – as per company vehicles • Visitors – depends on who/where
What’s happening on Pfeiffer Road now? Currently, assuming that daily traffic volumes occur over a 10 hour period each day, on average there is … 1 vehicle every 37 seconds 1 heavy vehicle every 3.9 (say 4) minutes
Pfeiffer Road with the mine in operation … Pfeiffer Road will likely experience a total of 1085 vehicles per day = 1 vehicle every 33 seconds Of this, 181 will be Heavy Vehicles = 1 Heavy Vehicle every 3.3 minutes
What’s happening on Nairne Road now? Road Segment AADT (2015) No of Heavy Vehicles %age of Heavy Vehicles Pfeiffer Rd to 3 400 200 6% Military Rd Military Rd to 5 000 230 4.5% Nairne entrance Nairne entrance to 6 300 250 5% Old Princes Highway
Nairne Road with the mine in operation … Road Segment No of Vehicles Approx No of Heavy Heavy Vehicles per Day frequency of Vehicles per Day vehicles Pfeiffer Rd to 3 504 1 vehicle every 228 1 every 2.6 mins Military Rd 10 secs Military Rd to 5 104 1 vehicle every 7 258 1 every 2.3 mins Pfeiffer Road will likely experience a total of Nairne entrance secs Nairne entrance to 6 404 1 vehicle every 6 278 1 every 2.2 Old Princes Hwy secs minutes
Keeping away from peak school and commuter traffic It is proposed that ore haulage truck movements do NOT occur between 6am - 9am and 3pm - 4pm
Ore Haulage Why a 19m Truck and Dog Trailer? • Number of trips needed vs • Ability of roads to cater for proposed vehicle type vs • Operating costs of vehicles
19m Truck and Dog Source: Google, accessed 2017
19m Semi-Trailer Source: Google, accessed 2017
26m B-Double Source: Google, accessed 2017
19m Truck and Dog • Carries more than a semi-trailer • Although it is more efficient however to use a B-Double • 19m Truck and Dog is considered a General Access Vehicle; ie can travel on any component of the road network • Vehicle operating costs of the 19m Truck and Dog very efficient compared to other options
Where will the ore travel? Woodside to Strathalbyn - 3 possible routes (refer maps): Route 1 – via Nairne Road, Old Princes Hwy, Bald Hills Rd, Hartman Rd, Paech Rd, Wellington Rd & Callington Rd Route 2 – via Nairne Rd, South Eastern Freeway and Callington Rd Route 3 – via Nairne Rd, Nairne Township, Old Princes Hwy and Callington Rd
Selecting a Preferred Route Key considerations: • Physical assessment • Road geometry • Surrounding environment • Safety • Analytical assessment • Impact of additional traffic on the road network • Social/operational assessment • Surrounding land uses • Other road users • Operational needs of the road network • Intended use of the route to fit within its planned role and function
Physical Assessment Route 1 Travel time = 35 minutes • Roadside vegetation requires trimming • Hartman Rd/Sims Rd/Paech Rd junction does not meet requirements for a General Access Vehicle and needs upgrade • Sight distance issues • Unsealed shoulders • Needs some guard railing
Physical Assessment Route 2 Travel time = 40 minutes • Roadside vegetation requires trimming • Sight distance issues • Unsealed shoulders • Some warning signage required
Physical Assessment Route 3 Travel time = 45 minutes • Roadside vegetation requires trimming • Nairne Rd/Old Princes Hwy junction does not cater for General Access Vehicles and needs upgrade • Sight distance issues • Some warning signage required
Analytical Assessment • Additional traffic as discussed previously
Social/ Operational Assessment • Proximity of residential development • Proximity of school traffic • Safety of existing junctions • Consideration of other nearby land uses • Others??
Feedback to date • DPTI • Adelaide Hills Council • District Council of Mount Barker • Alexandrina Council
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