63June 2011 LGAT News

roads and engineering

One of the Hobart City Council’s latest initiatives is reducing its truck fleet greenhouse gas emissions.

Council had tendered for five Isuzu seven-tonne trucks fuelled by Compressed Natural Gas (CNG). Four of the trucks will be general service tip trucks and the fifth will be a van body unit, used to pick up office paper for general disposal and security shredding services from businesses. Council estimates to save around $5,000 each year based upon today’s diesel and CNG prices.

The CNG engines will also help reduce CO2 emissions by 25% compared to diesel, reducing Council’s greenhouse gas emissions by approximately 15 tonnes of CO2 per annum while offering better power and torque.

Hobart Lord Mayor Rob Valentine said CNG was particularly well suited to urban use, being ideal for return to base operations such as those commonly undertaken by Council. “As a participant of the Cities for Climate Protection Program, Council actively seeks possible alternative fuels for usage within its vehicle fleet to decrease harmful engine exhaust emissions,” he said. “Actions such as corporate emissions reductions, bushland preservation, better transport options and ways of dealing with waste have all helped Hobart become a more environmentally sustainable city.”

Parliamentary Secretary for Infrastructure and Transport Catherine King has released the latest report of the Bureau of Infrastructure, Transport and Regional Economics (BITRE), Fatal Road crashes in Australia 1990s and 2000s: crash types and major factors.

Despite significant effort across all levels of Government over recent decades to drive down fatalities on the nation’s roads, speed and alcohol or drugs remained major causes of fatal accidents. One in three of all fatal road crashes are categorised with alcohol or drugs being a major factor. Excessive speed similarly accounts for one in three crashes and looking at single occupant, single vehicle crashes, the report reveals 70% involve alcohol, drugs or speed.

The BITRE report Fatal Road Crashes in Australia in the 1990s and 2000s: crash types and major factors is available at www.bitre.gov.au. The Australian Institute of Health and Welfare report Trends in serious injury due to land transport accidents, Australia 2000-01 to 2007-08 is available at www.nisu.flinders.edu.au.

Commitment to Reduce Greenhouse Gas Emissions

63June 2011 LGAT News

roads and engineering

New Report Confirms Road Safety Challenge

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LGAT News June 201164

roads and engineering

Recycling is delivering better support to Hobart’s bus passengers, with recycled plastic now being used to make new bus stop seats.

The Minister for Sustainable Transport, Nick McKim, and Metro Tasmania Chief Executive Officer, Heather Haselgrove, recently unveiled one of the seats, made from approximately 1,625 recycled two-litre plastic milk containers. Mr McKim said not only was the new seat a winner for the environment, but it also gave added comfort to people waiting for buses. “The recycled plastic used in this seat has saved 3.25 cubic metres in landfill,” he said. “Another advantage over the traditional timber seat is that it doesn’t need painting, and people waiting for the bus also won’t get splinters.”

Metro is negotiating with councils to install recycled plastic bench seats in and around suburban areas. To date, the recycled seat has met with a positive response

and Metro plans to install more as part of their routine maintenance and replacement program.

The seats are supplied by Australian company Replas who make recycled plastic products using 100% Australian waste, which has been diverted from landfill.

A major milestone in the construction of the Kingston Bypass has been celebrated, with the completion of the Summerleas Road overpass. The bypass, worth in excess of $40 million, is jointly-funded by the Tasmanian and Australian Governments. The 2.8 kilometre bypass will improve safety and reduce congestion in Kingston, helping to ensure that the local road infrastructure kept pace with the growing population across the Kingborough municipality. The final design is the product of an extensive community consultation process including collaboration with the Kingston Bypass Access Group and Kingston Bicycle User Group, with the final design developed in collaboration with Kingborough Council. It is anticipated that the project will be completed by late 2011. The contract was undertaken by a Tasmanian-based company, VEC Civil Engineering Pty Ltd.

(L-R) Metro Tasmania Chief Executive Officer, Heather Haselgrove, and the Minister for

Sustainable Transport, Nick McKim, try out a new bus seat made of recyled plastic

Recycling Offers New Support for Bus Passengers

Kingston Bypass Construction Milestone Celebrated

LGAT News June 201164

roads and engineering

Photography by Dean Parry

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65June 2011 LGAT News

roads and engineering

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LGAT News June 201166

roads and engineering

The right answer for Tasmania: recycled crushed glass in roads

Delivering industry recycling, litter reduction and education programs on behalf of Australia’s largest beverage companies and their packaging suppliers:

Tasmanians are great recyclers with around two out of every three glass bottles collected through kerbside collection systems. However around 30% of what we collect cannot be recycled due to breakage and/or contamination.

On behalf ofOn behalf of Australia’s largest beverage companies and their packaging suppliers, the Packaging Stewardship Forum (PSF) of the Australian Food and Grocery Council is actively working to develop economically viable alternate markets for recovered glass across Australia.

Projects such as the East Derwent Highway Recycled Glass Roads Project (see pictures) provide a platform for the establishment of alternate markets for recycled crushed glass establishment of alternate markets for recycled crushed glass (RCG) in Tasmania.

As part of a $800,000 repair and resealing project, in May 2011 RCG was used in the asphalt surface of a 100 metre length of the East Derwent Highway.

The RCG based road section will be evaluated against a control section of standard asphalt so that a comparison can control section of standard asphalt so that a comparison can be made through tests undertaken over the next twelve months.

The project brings together the PSF, the Department of Infrastructure Energy and Resources, the Department of Primary Industries, Parks, Water & Environment, Roadways Pty Ltd and the Hazell Bros Group.

In Tasmania, more than 13,000 tonnes of glass is now recycled each year through investment in glass processing plant to crush the recycled glass into sand-sized fragments which meet national specifications for use in asphalt and other civil construction applications.

Using RCG as a replacement for sand reduces the extraction Using RCG as a replacement for sand reduces the extraction of virgin sand, eliminates glass waste, saves landfill space and money because glass is no longer shipped to Melbourne for recycling.

Other councils are already using RCG in civil construction applications, many with the support of the PSF:-- Clarence Council used RCG extensively in civil construction applications at the Rosny Parkconstruction applications at the Rosny Park Tennis Club. - City of Canning (WA) regularly uses RCG in asphalt, saving more than 4,000 tonnes of glass from landfill since 2003. - Waverley (NSW), Brimbank (Vic), Manningham (Vic) and Augusta-Margaret River (WA) councils have recently used RCG in the construction of new roads and pathways.

National Specifications for the use of RCG in civil engineering National Specifications for the use of RCG in civil engineering and a Cost Benefit Analysis by the Shire of Augusta-Margaret River are available to local and state governments and road authorities from Chris Jeffreys PSF Program Manager Glass Recovery & Recycling, email: chris.jeffreys@afgc.org.au or mobile: 0403 486 454.

CONGRATULATIONS ON 100 YEARS OF LOCAL GOVERNMENT IN TASMANIA!