Option A: North of Prices Point
The distance to the deep water jetty is greater and the land is higher. More blasting and dredging is required. (Public Information Booklet DSD page 13).
Option B: South of Prices Point
Shorter distance to deepwater and the land is lower. Impact to vine thickets.
Less blasting and dredging required.
Water Requirements:
The project would require between 8-16 gigalitres annually (1 gigalitre = 1 billion litres) for the whole precinct. Broome is currently licensed for 8 gigalitres and uses 6 gigalitres annually. Fresh water is likely to come from either desalination of water from the Wallal aquifer or desalination of sea water. The Wallal aquifer is located 200 metres below the ground and is slightly salty. This aquifer is separate to the shallower Broome aquifer that is suitable for drinking.
During construction it is possible that a temporary water supply will be required. It is likely this will be from the Broome aquifer. (Page 75 Public Information Booklet DSD).
Wastewater:
30GL/year wastewater - (process waste water, ancillary equipment such ascondensed water, surface runoff from process areas, sewage and grey water. (Page 12 Marine Wastewater Discharge Modelling Study DHI WATER AND ENVIRONMENT PTY LTD for Woodside).
The treated wastewater will be discharged 2 to 3 kilometres off shore and according to the Public Information booklet DSD page 74 "the discharge poses negligible if any environmental risk."
Shipping:
Overall capacity of 50 million tonnes per year of LNG would mean 900 ships per year or 17 per week or just over 2 per day (Public Information Booklet DSD page 69).
Workers:
Peak construction workforce: 6000 on shore and 2000 offshore (Broome Advertiser page 9 August 18th).
Core workforce: 300 - 500 people for 40 years.
The vaste majority of the construction workforce is likely to be fly-in, fly-out and accommodated with a dedicated camp 5 km from the Coast. (Public Information Booklet DSD page 89)
During construction of the Gas facility an extra $350 million expenditure for local business is planned, this does not include the proportion of wages etc that will also flow into the local economy. During the production phases this will drop to around $100 million p.a.
Size:
The proposed gas hub will be the largest in Australia, the second largest in the world and at least 3 times the size of the Karratha LNG plant. ($50 billion project)
2,500 hectares (25 square kilometres) of land (1980 hectares = LNG Processing area + Port land 110 hectares + 200 hectares Light Industrial area) and about 1,000 hectares (10 square kilometres) of sea bed which includes 2 kilometres of coastline. A further 968 hectares of land (10 square kilometres) will be used for the "ancillary' areas of onshore pipelines roads and service.
"The site will be set back 1.5 kilometres from the coast and beach access restrictions will be limited to less than 2 kilometres of coastline." (Shire News Issue 61 August 2011).
"Access to Prices Point and Quandong Point will be maintained throughout the life of the Precinct." (Shire New Issue 61 August 2011).
Greenhouse gas emissions:
"In producing LNG there are two major sources of carbon dioxide (CO2) which is the main greenhouse gas.
The first major source of greenhouse gas emissions relates to the generation of power.
Power is generated in a similar way to a gas fired power station like the one in Broome,
but larger. The exact amount of CO2 will depend on the design of the LNG plant but
would be less than 17 million tonnes of CO2 per annum for the production of 50 million tonnes of LNG per annum"
"The second major source of CO2 comes from the reservoir. This
results in approximately 15 million tonnes of CO2 per annum for 50 million tonnes of LNG per annum. Typically this 'reservoir CO2' will be vented to the atmosphere.
Woodside is investigating the option of reinjecting this CO2 back into a safe underground
formation where the gas will be trapped.
The plant will be designed to meet atmospheric emissions and discharge limits which
protect the health and safety of the community and protect the natural environment. This
will be a requirement of obtaining environmental approval and operating licences which
must be in place prior to the commencement of construction." Public Information Booklet page 82
Production is not expected to begin until 2016 a spokeswoman from Inpex says the company is still assessing greenhouse gas abatement options. (source AM 16th Jan 2012)
site to be in the order of 6 to 8 million cubic metres or less than half the volume of the
northern site.
Total dredging volume for a northern James Price Point location would be approximately
15 to 20 million cubic metres". (DSD Information booklet 5.4)

