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EPBC Act Referral Submission #2045 - Marine Finfish Aquaculture Development in Storm Bay (Tasmania) - West of Wedge Island Title of Proposal - Marine Finfish Aquaculture Development in Storm Bay (Tasmania) - West of Wedge Island Section 1 - Summary of your proposed action Provide a summary of your proposed action, including any consultations undertaken. 1.1 Project Industry Type Aquaculture 1.2 Provide a detailed description of the proposed action, including all proposed activities. The proposed action is to farm Atlantic Salmon at a new farming zone in Storm Bay, Tasmania. This zone represents an offshore extension to Tassal's existing marine farming leases (MF 190, MF 193, MF 194 and MF 055) within the Tasman Peninsula and Norfolk Bay Marine Farming Development Plan areas. The proposed new farming zone would be approximately 863 Ha containing four leases of approximately 90 Ha each. Within each 90 Ha lease, surface located marine farming equipment will be up to 45 Ha. Any equipment outside this 45 Ha would be at least 5 metres below the surface at the lease boundary. These dimensions will allow for the establishment of a grid mooring system with the capacity to house 16 pen bays on each of the four leases (a total of 64 pen bays). The proposed action in Storm Bay requires the construction and placement of new marine farming infrastructure in waters to the west of Wedge Island. This infrastructure would include: • Mooring and grid system – comprising of 1 x 16 pen bay mooring grid (within each of four proposed leases). Independent mooring configuration will be used to secure feed barges. • Sea pens – 168 m circumference sea pens, of approximately 54 m diameter and 20 m depth would be used at the site. Construction material will be black in colour to minimise loss of visual amenity and to comply with regulatory requirements. • Other supporting infrastructure – mobilised and serviced from the existing Tassal Nubeena shore base will include on-water structures (i.e. vessels and moored feed barges). Fish size and stocking density: • Smolt will be placed within sea cages at approximately 150g weight. The maximum stocking density of fish will be 15kg/m3 of cage volume. Fish will be harvested at approximately 5kg around 18 months after initial transport to sea. The operation of the proposed finfish development requires a range of activities including: • Vessel movements – multiple times a day to sea pens and the on-site feed barges to allow staff to undertake a range of maintenance, supply and stock husbandry tasks. Vessels will service the proposed zone in daylight hours under normal operational circumstances. The leases may be accessed by up to eight vessels per day, including re-supply vessels, work barges and general purpose dive support vessels. There may be instances where a security Submission #2045 - Marine Finfish Aquaculture Development in Storm Bay (Tasmania) - West of Wedge Island patrol vessel may be required to inspect the lease at night. • Feed system maintenance – the feed barges will each support individual centralised feeding systems. Generators and blowers on the feed barge will operate during daylight hours only and have sound mitigation equipment in line with EPA noise emission licence conditions. • Fish feeding – fish cultured by Tassal are fed commercial extruded salmon feeds. Projected monthly feed amounts will vary according to water temperature, fish size and harvest profile. • Fish health – Tassal has a comprehensive biosecurity procedural manual. Vessel, staff and equipment transfer between sites is minimised to reduce any chance of biosecurity breaches. • Cumulative noise levels from all Tassal operations will comply with the Tasmanian EPA regulatory requirements. Environmental Monitoring: • A range of environmental monitoring activities will be undertaken supplementary to normal day-to-day finfish aquaculture activities within the proposed new zone. These will include: -water quality monitoring -fish performance assessments -benthic health monitoring 1.3 What is the extent and location of your proposed action? Use the polygon tool on the map below to mark the location of your proposed action. Area Point Latitude Longitude West of Wedge 1 -43.130556203197 147.64478835487 West of Wedge 2 -43.130556203197 147.6572338047 West of Wedge 3 -43.135034730991 147.6572338047 West of Wedge 4 -43.135128682607 147.6449171009 West of Wedge 5 -43.130618842211 147.64487418556 West of Wedge 6 -43.130556203197 147.64478835487 Tassal Storm Bay 1 -43.129742164739 147.65753570505 Tassal Storm Bay 2 -43.135386382911 147.65762583146 Tassal Storm Bay 3 -43.135386382911 147.6357390059 Tassal Storm Bay 4 -43.129749054208 147.63582483659 Tassal Storm Bay 5 -43.129742164739 147.65753570505 1.5 Provide a brief physical description of the property on which the proposed action will Submission #2045 - Marine Finfish Aquaculture Development in Storm Bay (Tasmania) - West of Wedge Island take place and the location of the proposed action (e.g. proximity to major towns, or for off-shore actions, shortest distance to mainland). The proposed new farming zone in Storm Bay is approximately 1.8 km to the shoreline west of Wedge Island at its closest point. The location of the proposed zone is better detailed in Attachment 1 (uploaded to section 1.4 of this submission). The closest marine farming finfish lease is MF190 Creeses Mistake (operated by the proponent – Tassal Operations) which is approximately 3.3 km to the northeast of the proposed new zone. Tassal’s nearest land-based infrastructure is at Nubeena, 7km by water from the proposed new farming zone. Additional vessels will be mobilised from this land base to service the proposed lease areas. The proposed action is limited to additional marine-based activities which will occur within the proposed new marine farming zone. However, additional vessel movements from the land base at Nubeena will be required to service the proposed development at West of Wedge Island. The four proposed leases (within the proposed farming zone) will have an orientation of east/west, running parallel to the shoreline of Wedge Island. The proposed action is within the exposed, high-energy marine environment of Storm Bay which is dominated by saline oceanic waters with some freshwater influences from the River Derwent, as well as intrusions of subtropical and subantarctic waters originating from the Tasman Sea and Southern Ocean respectively. Depths range from 35 to 47 m at the site and the seabed is gently sloping, with the shallowest section in the north-east section of the proposed action area, getting progressively deeper towards the south-west. The substrate in the proposed action area consists entirely of coarse sand, with no benthic vegetation. 1.6 What is the size of the proposed action area development footprint (or work area) including disturbance footprint and avoidance footprint (if relevant)? 863 Ha 1.7 Is the proposed action a street address or lot? Lot 1.7.2 Describe the lot number and title.Draft Amendment No. 5 to the Tasman Peninsula and Norfolk Bay Marine Farming Development Plan 1.8 Primary Jurisdiction. Tasmania 1.9 Has the person proposing to take the action received any Australian Government grant funding to undertake this project? Submission #2045 - Marine Finfish Aquaculture Development in Storm Bay (Tasmania) - West of Wedge Island No 1.10 Is the proposed action subject to local government planning approval? No 1.11 Provide an estimated start and estimated end date for the proposed action. Start date 07/2018 End date 07/2040 1.12 Provide details of the context, planning framework and State and/or Local government requirements. The Tasmanian salmonid industry represents one of the most important industry growth sectors in Tasmania over the last 30 years. The Tasmanian State Government is partnering with the salmonid industry and the Tasmanian community to provide for sustainable growth through: · Development of world’s best practice finfish aquaculture management methods · A commitment to expertise in research, development and innovation · Implementation of an effective biosecurity management regime · Facilitation of a robust and independent planning and regulatory system · Increasing community confidence through transparency of data The Tasmanian Environmental Protection Authority (EPA) is responsible for environmental regulation of the Salmon-farming Industry under the Environmental Management and Pollution Control Act 1994. All of Tassal’s marine farming operations must be licenced under the Living Marine Resources Management Act (1995). Each licence includes environmental monitoring conditions specific to that licence to ensure that activities carried out under licence are managed in ways that prevent unacceptable impacts to the marine environment. The Marine Farming Planning Act (1995) provides a legislative mechanism for the development and approval of marine farming development plans, such as the Tasman Peninsula and Norfolk Bay Marine Farming Development Plan, which allocate zones for marine farming and lease areas within these zones. These plans document mandatory management controls for each planning area, environmental controls related to carrying capacity and monitoring, controls on disease management, waste, use of chemicals and controls to visual impacts and the safe marking of lease areas. The legislative framework and processes for regulating marine farming in Tasmania provides Submission #2045 - Marine Finfish Aquaculture Development in Storm Bay (Tasmania) - West of Wedge Island
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