ITEM 12.201/11 - 1 Wooli Beach Emergency Action Subplan Source: The Daily Examiner, 26 May 2009 October 2011 ITEM 12.201/11 - 2 Disclaimer This report has been prepared by and for the exclusive use of Clarence Valley Council. Clarence Valley Council accepts no liability or responsibility whatsoever for it in respect of any use of or reliance upon this report by any third party. Copying this report without the permission of Clarence Valley Council is not permitted. Acknowledgement This report has been prepared by Clarence Valley Council after adapting the original text of the Draft Wooli Beach Emergency Action Plan prepared by WorleyParsons in August 2010. ITEM 12.201/11 - 3 CONTENTS 1. INTRODUCTION...........................................................................................................................2 1.1 C o n t e x t a n d a s s o c i a t e d P l a n s a n d G u i d e l i n e s ……………………………………2 1.2 P u r p o s e o f E m e r g e n c y Ac t i o n P l a n …………………………………………………3 1.3 As s e t s p o t e n t i a l l y a f f e c t e d b y B e a c h E r o s i o n……………………………………..3 1.4 Clarence Valley Local Flood Plan..................................................................................4 1.5 Code of Practice for Emergency Coastal Protection Works..........................................5 2 EMERGENCY ACTION SUBPLAN ..............................................................................................7 3 CONTACT LIST FOR EMERGENCY ACTION PLAN ................................................................15 4 REFERENCES............................................................................................................................16 Tables Table 2.1 Emergency Action Plan 8 Location of 4WD Beach Access, South Terrace, Wooli 6 Figures Figure 1 Appendix Appendix 1 Potential Breakthrough Location Appendix 2 Flow chart representing the Wooli EASP Schedule Schedule 1 Dwellings within 20m of the erosion escarpment Page i Exhibtion Draft – October 2011 ITEM 12.201/11 - 4 1. INTRODUCTION Adverse weather systems can produce storms that generate strong winds, large waves and elevated ocean water levels along the NSW coastline. These conditions are generally short lived but can result in extensive erosion along sandy beaches, and seawater inundation where waves can overtop coastal dunes or sea defence barriers. Extreme beach erosion can directly threaten assets and infrastructure on an active beach. Erosion can occur either through erosion of the dunal system as a result of undermining, or indirectly because the foundation of the remaining dune adjacent to the eroded area has been reduced. Erosion can also lower the beach berm (a nearly horizontal plateau on the beach face or backshore, formed by the deposition of beach material by wave action, or by means of a mechanical plant as part of a beach recharge scheme), often resulting in a tall, unstable, near-vertical back-beach erosion escarpment. Damaged berms can also present hazards for beach users. Even without severe coastal storms, an erosion escarpment can erode and migrate landward. Relatively minor wave action coinciding with high spring tides can induce erosion and undercut an erosion escarpment. A council’s long-term strategy for managing these threatening processes should be documented in a coastal zone management plan (CZMP). An emergency action subplan (EASP) forms an integral component of a CZMP. It outlines a council’s intended response to a coastal erosion emergency and explains ways in which and where beachfront property owners can place emergency coastal protection works according to the Coastal Protection Act 1979 (CPA). (OEH, July 2011) 1.1 Context and a ssociated Plans and Guidelines This Emergency Action Sub Plan (EASP) has been prepared in accordance with provisions of the Coastal Protection Act 1979 and is intended as an interim measure, prior to the implementation of the Wooli Village Coastal Zone Management Plan. This Emergency Action Subplan for Wooli Beach should be read in conjunction with the following associated plans and guidelines: NSW State Storm Plan (SES 2007) – prepared under the State Emergency and Rescue Management Act 1989 and State Emergency Service Act 1989. Clarence Valley Local Flood Plan (interim) – A Sub-Plan of the Clarence Valley Local Disaster Plan (DISPLAN) (CVC, November 2007) Coastal zone management guide note – Emergency action subplans (OEH, July 2011) Guide to the Statutory Requirements for Emergency Coastal Protection Works (DECCW 2011a) Code of Practice under the Coastal Protection Act 1979 (DECCW 2011b). Page 2 Exhibtion Draft – October 2011 ITEM 12.201/11 - 5 This EASP should be reviewed periodically in conjunction with the review of Council’s DISPLAN, Flood Plan and following a coastal erosion emergency event as defined in Section 1.2. 1.2 P u r p o s e o f E m e r g e n c y Ac t i o n P l a n The objective of the Emergency Action Plan is to document the actions that Clarence Valley Council and/or landowners will or can undertake in response to a coastal erosion emergency situation at Wooli Beach. This includes actions performed by Council/landowners whether associated with action under any plan made under the State Emergency and Rescue Management Act 1989 (SERMA) or not. However, in accordance with section 55C(2)(a) this Plan will not include matters dealt with in any plan made under the SERMA in relation to emergency responses by Council/landowners. To achieve this objective action is required in emergency planning/preparedness, response and recovery phases of an emergency. The primary focus of Council will be to prevent harm to, or loss of human life. Secondly, Council will seek to ensure public assets, such as formal beach access and/or infrastructure are managed in a safe manner. Private property management has a lesser priority and in this regard Council will facilitate authorised and lawful actions by landowners once Council’s priority obligations are fulfilled. This is consistent with standard emergency management procedure. The NSW Government has issued a direction to CVC to prepare a draft emergency action plan for the costal erosion hot spot at Wooli Beach, being the beach opposite the Main Street & Riverside Drive intersection south to the Wooli Wooli River. This draft Subplan will cover that area plus the length of Beach to the northern side of the new residential area, in the vicinity of the beach access known locally as ‘One Tree’. A “coastal erosion emergency” is classified (for the purposes of this plan) as an oceanic event that could result in lowering of beaches, high unstable erosion escarpments and/ or direct threats to public and private assets from undermining or wave action. A coastal erosion emergency could occur due to a combination of elevated ocean water levels and waves that are not generated by a severe weather event that would otherwise trigger actions under the State Storm Plan, Local Flood Plan or DISPLAN. 1.3 As s e t s p o t e n t i a l l y a f f e c t e d b y B e a c h E r o s i o n Wooli Beach suffered severe storm damage in 1954, 1974, 1996 and 2009. More recent erosion events have eroded the frontal dune leaving a high, steep escarpment along much of the beachfront. The steep escarpment remains unstable and has continued to recede due to slumping. Page 3 Exhibtion Draft – October 2011 ITEM 12.201/11 - 6 A review of coastline hazard lines for Wooli (WorleyParsons, 2010a) has identified that 44 lots are located in the zone of wave impact for a severe storm (although a few dwellings on these lots are located landward of the immediate impact line). These beachfront properties are all located south of the bowling club. In addition, monitoring by Council in 2007 identified approximately 20 beachfront dwellings located within the ‘zone of reduced foundation capacity’ (less than 18m from the dune crest) which are susceptible to structural damage due to the reduced bearing capacity of sand in this zone. Of the 20 properties, the nine most at risk were located around 13 to 14m from the dune crest. Management of the impacts of coastal erosion at Wooli is further complicated as the village is not serviced by reticulated sewerage. On-site effluent management systems are located on each property containing development. Most of these systems and associated disposal areas (as applicable) are located on the seaward side of beachfront dwellings along the frontal dune. Erosion that enters private lands or other lands containing effluent systems is likely to adversely impact such systems with implications for occupants as well as public and environmental health. In addition to wave impacts from coastal storms, Wooli is subject to flooding from the Wooli Wooli River. During a 1% or 2% Annual Exceedance Probability (AEP) flood event, inundation of Wooli Road (in the vicinity of the Wooli Sportsground) is estimated to be 0.35m. In a more severe event, the road would be cut between the northern portion of Wooli and the original village . In addition, flooding in the adjacent catchment, which typically occurs a day or more after a major coastal storm event, can cut road access at Sandy Crossing and Whites Bridge, isolating Wooli from between a few hours to a few days. This occurred following the storm in late May 2009. The latest review of coastal hazards at Wooli Beach (WorleyParsons, 2010a) as well as the Wooli Beach Coastline Study (1997) endorsed the finding of an earlier Public Works (1989) report, Wooli Coastal Process Investigation, that if the frontal dune were ultimately to disappear there is potential that the ocean could breakthrough to the River during times of high seas and river flooding in the future. See Appendix 1 for a map showing the potential break through location. Council infrastructure may also be at risk in some locations. In the short term this is expected to be confined to pedestrian and 4WD beach accessways. Continued landward recession of the dune escarpment would affect road assets, public infrastructure and services, in the longer term. 1.4 Clarence Valley Local Flood Plan The 2007 Clarence Valley Local Flood Plan (sub-plan of the Clarence Valley Local Disaster Plan (DISPLAN)), being a Plan prepared under the SERMA, guides emergency activities in the event of flood and/ or coastal erosion. This Plan is currently an interim document and is being revised by SES personnel. General evacuation triggers in the Local Flood Plan are: failure of essential services; Page 4 Exhibtion Draft – October 2011 ITEM 12.201/11 - 7 flooding affecting properties; and isolation of properties (particularly where residents require access to medical help). The Local Flood Plan also covers resupply of settlements which become isolated. All of Wooli is affected by the Probable Maximum Flood (apart from the foredune). In a 1% AEP flood event, Wooli Road, some properties to the east of Wooli Road and some properties to the west of Main Street (at the northern end of the original Wooli Village) are affected. Flood evacuation triggers (i.e. flood heights) are still to be determined for Wooli. However, the northern and southern portions of Wooli can be cut off from each other before over-floor flooding of dwellings occurs. Information on major flooding and storm events is available to residents by phoning the State Emergency Service (SES) 132 500 number (the SES advises on local road flooding). In the event that power and phones are out, the Wooli Post Office is the point of contact for residents. The SES has access to a boat which can be used to ferry people out and bring supplies in when the road at Sandy Crossing floods. In the event of a medical or other emergency the Wooli Sportsground oval would be used as a helicopter landing pad. Signs are also installed to warn that roads are impassable (pers. comm. Ann Mara, local SES Coordinator). Annex Z of the Local Flood Plan addresses the management of coastal erosion. When the Bureau of Meteorology (BoM) issues a Severe Weather Warning for dangerous waves or storm surge (a forecast for onshore waves of 5m or more, or storm surge of 0.5m or more for the NSW North Coast) the role of the SES is to advise the community of the storm; protect life through warning and evacuation; and coordinate lifting/ relocation of readily moveable household items and commercial stock and equipment. It is also noted in Annex Z that the SES may initiate response operations when large storm induced waves are observed locally and no BoM warning has been issued. When a BoM warning has not been issued, and the SES has not mobilised in response to an imminent storm, Council’s role is essentially the same as the SES’s role because the adopted Coastline Management Plan (1997) nor the Draft Wooli Village Coastline Management Plan (WorleyParsons, 2010) proposes property protection works. See also Sections 1.3 and 1.4 of this Subplan. An event that prompts an SES response under the Local Flood Plan may still require certain actions to be undertaken by Council. This Subplan documents all actions to be taken by Council associated with a coastal erosion emergency, whether the event is administered under the Local Flood Plan or not. 1.5 Code of Practice for Emergency Coastal Protection Works A Code of Practice (DECCW, March 2011), under the CPA 1979, and a Guide to Statutory Requirements for ECPW (DECCW, 2011) details the requirements for ‘emergency coastal protection works’ undertaken by landowners where certain physical and weather conditions exist. This includes the ability to install such works where the most landward part of the erosion escarpment is within 20 metres of the most seaward wall of a building lawfully used for residential, commercial or community Page 5 Exhibtion Draft – October 2011 ITEM 12.201/11 - 8 purposes. Monitoring (as at 2009) by CVC estimates that 35 dwellings are 20 metres or less from the erosion escarpment. These properties are shown in Schedule 1. Under the Code works can be comprised of either placement and maintenance of sandbags up to 1.5 metres in height or the placement of sand against the seaward side of the erosion escarpment. Any works performed by landowners must be in accordance with a permit issued under Part 4C of the CPA 1979 and Regulations, the Code of Practice (DECCW, 2011) and the Guide to Statutory Requirements (DECCW, 2011). Sand bags used for ECPW can only be made of geotextile or woven polypropylene fabric (not hessian) up to a capacity of 0.75m3. It needs to be recognised that compliance with the Code will not guarantee protection of property from the impacts of an erosion event. Access to the Beach to undertake ECPW must be via the 4WD beach access off South Terrace (see Figure 1) as the ‘authorised beach access’ specified in the Code of Practice and Guide to Statutory Requirements. Landowners of beachfront properties with residential, commercial or community buildings need to be made aware of the potential to undertake ECPW and requirements for such actions in the planning/pre-storm phase. 500 metres south of last house (28 South Terrace) 4WD Beach Access Figure 1 – Location of 4WD Beach Access on South Terrace, Wooli. Page 6 Exhibtion Draft – October 2011 ITEM 12.201/11 - 9 2 EMERGENCY ACTION SUBPLAN Under each phase in emergency management the triggers for response and emergency actions are outlined. Table 2.1 lists actions to be taken by Council prior to, and if the triggers are met. It is envisaged that the SES would be involved if a significant number of dwellings at Wooli were threatened and/ or a coastal erosion event coincided with a major flood event, requiring whole scale evacuation from the original Wooli Village. Accordingly, only arrangements for evacuation within Wooli are included in Table 2.1. A diagrammatic representation of the actions in Table 2.1 is shown in Appendix 2. Page 7 Exhibtion Draft – October 2011 ITEM 12.201/11 - 10 Table 2.1 Emergency Action Plan Category Trigger Responsible Council Officer PrePlanning Pre-planning for possible storm event CVC Coordinator Action /Reporting Coordinate preparation of OH&S procedures with relevant CVC Managers for dealing with should be undertaken as soon as storm debris (including materials containing asbestos) and sandbag/sand installation for any possible post-storm works. Training for personnel involved in such works to be provided (as relevant). Compile phone numbers of relevant contacts in case of a storm event (e.g. internal Council contacts, OEH, SES, NSW Police, coastal/geotechnical engineer (not CVC-employee), other relevant stakeholders, Post Office, Wooli Motel, Wooli Bowling Club) similar to shown in Section 3. The completed contact list shall be attached as a Schedule to the final Plan. (NOTE: Schedules attached to this Plan are not part of the formal Plan and can be modified according to operational needs without the need to formal amendment of the EASP under the Coastal Protection Act 1979 and associated procedures). Make residents aware of the Wooli hazard lines and zone of reduced foundation capacity (ZRFC) and where their properties lie in relation to these - advise owners of properties affected by the immediate hazard line that their dwellings and/or outbuildings would be at risk of damage or destruction in a severe storm event – advise residents and non-resident owners of actions that could be taken in advance to reduce losses (e.g. arrange with a resident neighbour to move removable valuables, obtain permit for and install ECPW, seek engineering report on structural adequacy if in ZRFC, review effluent management) Survey the location of the landward edge of the dune escarpment (and the height of the dune adjacent to the Main Street/Riverside Drive intersection) at least annually and update list of properties in immediate hazard zone (IHZ) and ZRFC in Schedule 1. (NOTE: Schedules attached to this Plan are not part of the formal Plan and can be modified according to Page 8 Exhibtion Draft – October 2011 ITEM 12.201/11 - 11 operational needs without the need to formal amendment of the EASP under the Coastal Protection Act 1979 and associated procedures). Issue updated advises to landowners of properties affected by IHZ or ZRFC (as above). Develop media advice pro-forma/s for different phases of emergency management under this EASP. Notify holders of Part 4C Permits for ECPW that access to the beach shall be via the 4WD Access off South Terrace (see Figure 1). Manager Ensure rigid barriers and beach closed signs are stored at the Wooli CVC depot premises Environment &Open sufficient to enable effective closure of all Council-managed pedestrian and 4WD beach Spaces access points to/from Wooli Beach. Category Trigger Responsible Council Officer Action /Reporting Pre-storm Phase Significant offshore wave height is in CVC Coordinator Undertake web-based monitoring and reporting of weather, wave forecasts (BoM website) the range of 3m to 5m and tides and beach conditions on a daily basis exceeding 1.8m are predicted at Fort Denison Significant offshore wave height Undertake web-based monitoring and reporting of weather, wave forecasts (BoM website) exceeds or is forecast (by Bureau of and beach conditions on a 12-hourly basis, eg 0600 and 1800 hrs Meteorology) to be in the range of 5m to 7m and tides exceeding 1.8m are predicted at Fort Denison Page 9 Exhibtion Draft – October 2011 ITEM 12.201/11 - 12 OR storm surge of at least 0.5m (NOTE: This is the trigger used to Notify Manager Operations, Manager Assets and Manager Environment and Open Space activate emergency response for that a coastal erosion event is likely and for relevant Managers to make plans for post-event coastal erosion under the CV Local response. Flood Plan. Once the Flood Plan is activated the SES becomes the lead combat agency with support provided by other agencies. In the absence of the Local Flood Plan providing guidance as to what actions Council should be undertaking in such an event this EASP provides that guidance for Council). Advise local community contacts and other stakeholders of the likelihood of coastal erosion and provide updates so they can advise residents in the event that phones/ power is cut. Advise Wooli residents/property owners of the likelihood of coastal erosion and actions they should take (e.g. arrange for relocation dwellings (where build to be relocatable), move valuables, prepare to evacuate, install ECPW if Part 4C Permit valid, dismantle outbuildings and/or remove stored items/goods or yard furnishings). Priority to owners of properties with dwellings in IHZ. Page 10 Exhibtion Draft – October 2011 ITEM 12.201/11 - 13 Category Trigger Responsible Council Officer Storm Phase A significant erosion escarpment CVC Coordinator Action /Reporting Increase frequency of monitoring web-based weather forecast information (eg Bureau of forms (taken to be if the escarpment Meteorology) on a minimum 8-hr basis (eg 0600, 1400, 2200 hrs) and keep records of any begins receding landward and is less weather warnings and/or reports of erosion. than 10m from a built asset); Or There is a predicted increase in storm Landowners/residents informed of increased threat and advised to take action to reduce risk threat by a current BoM warning (ie to life and property and to make preparations for potential evacuation. waves predicted to exceed 7m and tides exceeding 1.6m OR storm surge greater than 0.7 metres) LEMO Notify all appropriate persons including the Local Emergency Management Committee (LEMC) members, Mayor, OEH, SES Incident Controller, LEOCON, CVC staff, experienced coastal/geotechnical engineer (non-CVC) and have them on alert for an emergency meeting. Manager Close the beach at all public access points (except the 4WD access off South Terrace) with Environment & rigid barriers and erect ‘Closed Beach’ signs. Open Spaces Page 11 Exhibtion Draft – October 2011 ITEM 12.201/11 - 14 Monitor erosion escarpment position (using photos or measurements), location and any 'rip head' formation and forward these to the CVC Coordinator. A significant erosion escarpment LEMO Arrange emergency meeting with Mayor, OEH, SES, CVC staff, a professional engineer (not forms (taken to be if the escarpment CVC-employed) and any other relevant stakeholders to determine whether evacuation begins receding landward and is less measures should be implemented – report on current situation – record outcome. (NOTE: than 5m from a built asset) Any evacuation shall be undertaken under direction of the SES in accordance with the Clarence Valley Local Flood Plan) CVC Coordinator Regularly monitor web-based weather forecast information (eg Bureau of Meteorology) on a minimum 8-hr basis (eg 0600, 1400, 2200 hrs) and keep records of any weather warnings/ reports of erosion Organise site inspection by a professional engineer experienced in coastal engineering for post-event assessment and reporting. Manager Take photos and/or observations (at least every 6-8 hrs) of the erosion escarpment and Environment and beach features and forward to CVC Coordinator for reporting. Liaise with a professional Open Spaces engineer experienced in coastal engineering (not a CVC-engineer) for advice on updated reports. Monitor condition and safety of the 4WD beach access off South Terrace to determine if safe to use during erosion event. If not safe, then close/barricade it off. Page 12 Exhibtion Draft – October 2011 ITEM 12.201/11 - 15 Category Trigger Responsible Council Officer Post-storm Phase Storm has abated and it is safe to CVC Coordinator conduct post-storm activities Action /Reporting Advise Manager Assets, Manager Operations and/or Manager Environment and Open Spaces (as applicable) to assess damage to public property, roads, services, parks/reserves, etc. Organise professional engineer (not CVC-employed) to be available to assess private dwelling-houses, other non-Council buildings, and Council assets in imminent danger of collapse due to proximity to eroded dune escarpment or within ZRFC, and to assess potential dune modification to improve public safety. Advice landowners of properties impacted or threatened by coastal erosion to seek independent advice from a qualified coastal engineer to assess damage/threat/remedial measures needed. Arrange a survey of the beach levels and other features e.g. erosion escapements, dune blow outs, dune height adjacent to Main Street/Riverside Drive intersection, location of dwellings to dune, etc Document location of dwellings to dune and update Schedule 1 and issue updated advice to affected landowners. Manager Council staff and/or private consultants to inspect lands containing effluent management Environment and systems that may be adversely impacted by erosion and make recommendations as Open Spaces necessary to reduce potential environment or public health impacts. Coordinate general cleanup and restoration works to public beach accesses/4WD access and remove any hazardous materials from the beach. Page 13 Exhibtion Draft – October 2011 ITEM 12.201/11 - 16 Erect relevant safety warning signs where unstable dune escarpments present a public safety hazard. In high use areas consider options to collapse the erosion escarpment to a more stable slope using machinery and after consultation with OEH, adjacent landowners and a professional engineer experienced in coastal engineering (not CVC-employed) LEMO Coordinate a debrief with LEMC and Responsible Council Officers and other CVC staff involved in response, SES (including Yuraygir Controller), and OEH. Document recommended changes to the EASP. CVC Coordinator Liaise with OEH to determine any changes to the coastline and any new areas at risk Review the Emergency Action Subplan (EAP) and update as necessary following debrief meeting Review and collate all records of the storm event, actions taken prior to and during storm event, lessons learned, photos of the event and retain for future reference. Review the Wooli Coastline Management Plan in consultation with other stakeholders. Page 14 Exhibtion Draft – October 2011 ITEM 12.201/11 - 17 3 CONTACT LIST FOR EMERGENCY ACTION PLAN The following list of contacts indicates the range of persons that should be included on a contact list for the purposes of implementing this Plan. A completed list shall be prepared and maintained periodically and attached as a Schedule to this Plan. (NOTE: Schedules attached to this Plan are not part of the formal Plan and can be modified according to operational needs without the need to formal amendment of the EASP under the Coastal Protection Act 1979 and associated procedures). Title/Contact Name Phone Number CVC Coordinator (and alternate): CVC Mayor: CVC Manager Operations (and delegate): CVC Manager Assets (and delegate): CVC Manager Environment and Open Space (and delegate): CVC LEMO (and alternate): Clarence-Nambucca Region SES coordinator: OEH representative (and alternate): Wooli Post Office: Wooli Motel: Wooli Bowling Club: NSW Police (Wooli Station): Consultant Coastal Engineer (TBA): Page 15 Exhibtion Draft – October 2011 ITEM 12.201/11 - 18 4 REFERENCES DECCW 2011a, Guide to the Statutory Requirements for Emergency Coastal Protection Works (March 2011) DECCW 2011b, Code of Practice under the Coastal Protection Act 1979 (March 2011) OEH 2011, Coastal zone management guide note: Emergency Action Subplans (July 2011) WorleyParsons 2010a, Wooli Beach Village Review of Coastal Hazards WorleyParsons 2010b, Wooli Village Coastline Management Strategy Update and Options Review Page 16 Exhibtion Draft – October 2011 ITEM 12.201/11 - 19 APPENDIX 1 POTENTIAL LOCATION OF RIVERBANK/DUNE BREAKTHROUGH – WOOLI BEACH Page 17 Exhibtion Draft – October 2011 ITEM 12.201/11 - 20 00 25 25 50 50 meters Possible Wooli Wooli River River Break Break Possible Through Through Location Location Block 6, Tr ansec t3 1% AEP Catchment Flooding Inundation Extent (Approx.) PMF Catchment Flooding Inundation Extent O:301020-02273\Deliverables\Coastal Hazard\Figures\Fig3.6.wor Clarence Valley Council Wooli Beach / Village Review of Coastal Hazards 2010 Hazard 2050 Hazard including SLR 2100 Hazard including SLR DRAFT Wooli River Entrance Stability \ Catchment Flooding June 2010 ITEM 12.201/11 - 21 APPENDIX 2 FLOW CHART REPRESENTING THE WOOLI EASP Page 18 Exhibtion Draft – October 2011 ITEM 12.201/11 - 22 WOOLI COASTAL EROSION EMERGENCY ACTION PLAN CVC Coordinator Task CVC LEMO Task Key Daily monitoring of weather forecasts for Wooli area External notification to Council of coastal erosion at Wooli CVC Manager Open Spaces Task External process No No Forecast tides > 1.8m at Fort Denison. Waves forecast >5m. OR storm surge of 0.5m Alert LEMC members and engineer (non‐CVC) and have them on alert for emergency meeting. Erosion escarpment now < 5m of built asset Ensure beach accesses closed No Arrange emergency meeting with LEMC members, CVC staff and engineer (non‐CVC). Continue regular monitoring. Yes Arrange site inspection by engineer (non‐CVC) Stakeholders to provide best advice to SES re need for evacuation. Yes Increase weather monitoring to 12 hourly Notify appropriate persons: • CVC Ops Manager • CVC Assets Manager • CVC E&OS Manager • CVC LEMO Increase weather monitoring to 8 hourly. Keep records. Storm has abated & safe to conduct post‐storm activities No SES decide to evacuate Continue physical monitoring of escarpments Notify the community through media Advise landowners Yes Ensure beach accesses closed Coordinator to relocate to Wooli or ensure appropriate representative at Wooli to assist Significant and active erosion escarpment < 10m of built asset OR BOM warning wave predicted to exceed 7m and tides >1.6m OR storm s urge >0.7m No Yes No SES commence evacuation phase per CV Flood Plan ‐ all persons from dwellings at risk Yes Yes Undertake physical monitoring of Wooli coastline erosion Photos taken. Erosion event over. If appropriate: • Report event to Council • Liaise with OEH re coastline changes • Update the Wooli EAP Continue regular monitoring Forecast tides exceeding 1.8m at Fort Denison. Waves forecast >5m advise CVC to assess damage to public property organise private engineer to assess private dwellings and other assets in immediate danger. advise landowner of properties threatened by erosion to seek independent engineering advice. arrange survey of the beach levels document location of dwellings to dune and issue updated advice to affected landowners. liaise with OEH to determine any changes to the coastline Review the Emergency Action Subplan (EAP) and update as necessary following debrief meeting Review and collate records of the event, actions taken, lessons learned, photos. CVC staff and/or private consultants to inspect lands containing effluent management systems Coordinate general cleanup and restoration works to public beach accesses Erect relevant safety warning signs Coordinate a debrief with LEMC and Responsible Council Officers Discussion to include advice to SES re safe return of evacuees ITEM 12.201/11 - 23 SCHEDULE 1 ADDRESS </= 18m TO ESCARPMENT </= 20m TO ESCARPMENT 28 South Terrace YES YES 26 South Terrace YES YES 24 South Terrace YES YES 22 South Terrace YES YES 20 South Terrace YES YES 18 South Terrace YES YES 16 South Terrace YES 14 South Terrace YES 12 South Terrace YES 10 South Terrace YES 8 South Terrace YES 6 South Terrace YES 4 South Terrace YES 2 South Terrace 2 Main Street YES YES 4 Main Street YES YES 6 Main Street YES YES 8 Main Street YES YES 10 Main Street YES YES 12 Main Street YES YES 14 Main Street YES 30 Main Street YES YES 32 Main Street YES YES 34 Main Street YES YES Page 19 Exhibtion Draft – October 2011 ITEM 12.201/11 - 24 36 Main Street 38 Main Street YES 40 Main Street YES 42 Main Street YES YES 44 Main Street YES YES 46 Main Street YES YES 48 Main Street YES YES 50 Main Street YES 52 Main Street 54 Main Street YES – CHECK YES - CHECK 58 Main Street YES YES 60 Main Street YES YES 62 Main Street YES YES 68 Main Street YES YES TOTAL 24 35 54B Main Street 56 Main Street 64 Main Street 66 Main Street Table – Beachfront properties containing dwelling-houses where action/s under this Emergency Action Subplan may be relevant. Page 20 Exhibtion Draft – October 2011
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