HEAD OF LAKE WHAKATIPU

COMMUNITY UPDATE 27 | JULY 2023

 

Kia ora koutou,

 

Here is our programme update for July, with information about the Buckler Burn flood hazard assessment, our social impact assessment, and when we’re next coming to Glenorchy.  

 

We are nearing the end of the project’s stage that focuses on what is happening in terms of natural hazards as we ask what matters most and what we can we do about it.

 

We know that at times it has not been easy to understand the purpose of each assessment, or what the differences are between a hazard study and a risk study. In this edition, we try to make things a bit clearer.

 

And as we wrap up this part of the programme, with a lot of technical information and science, we get closer to development of adaptation options and pathways that will enable us and the community to collectively make some decisions about how to adapt to the changing landscape and natural hazards at the head of the lake. 

 

 

Buckler Burn update 


A flood hazard assessment for the Buckler Burn has been completed. It will be reviewed by an independent expert before being finalised later this month. 

This study is looking at whether flooding from the Buckler Burn could affect the Glenorchy township, and what the characteristics of a flood might be, for example, the depth or velocity of flood waters. 

 
As with all our hazard assessment reports, we will share these investigation findings on the
HOTL programme page as soon as they are available and invite your feedback/comments. 

 

Image: Buckler Burn flowing into Lake Whakatipu

Buckler Burn
 

Assessing the social impact

 

We have put together a scoping document for a social and economic impact assessment.

Social impacts refer to changes to the wellbeing of individuals and communities, which occur when human actions or natural events alter the way people live, work, play, and participate as members of society.

Social impacts can be negative or positive. This information will help us inform our decision making and adaptation pathways. 

 

This scoping part is about laying out the proposed work plan so that we can get community feedback at the early stage, before the work starts. The scoping discussion document includes the following: 

 

  • Why we are proposing a two-phase social impact assessment at the Head of Lake Whakatipu. 

  • Baseline data collection and proposed scenarios that will be assessed in the first phase. 

  • Proposed methods to undertake the data collection, assessment, and how the local community could be involved in the process.  

  • The general objectives of the second phase, which will be scoped further once we have collaborated on the preferred pathways later this year. 

 

We shared this scoping discussion document with the Glenorchy Community Association earlier this week to get some feedback from the community about whether we’re on the right track. Once scoping is complete, there will be a request for tender advertised and an independent consultant will undertake the assessment.

Keep an eye out, as there will be other ways for community members to be involved at different steps of the social impact assessment. You can also get in touch with us at any time to ask questions or provide comments.  

 

Image: Glenorchy boat shed

 

What is a risk assessment? 


And how is it different to other technical assessments we’ve done at the Head of the Lake?

 

We have undertaken many different hazard investigations and assessments over the years, which helped us to better understand the different hazards at the Head of Lake Whakatipu, for example, our assessment of flooding of the Buckler Burn. 

 

We have also looked at ways to adapt to or manage these various hazards. We are now at the stage where we are undertaking a risk assessment.

The risk assessment captures all these technical investigations and other data to calculate the likely consequences of potential hazard events for the community, their homes and other infrastructure.  

 

Risk is calculated by the nature of the hazard, as well as what is exposed to the hazard (i.e. what is in harm’s way), and factors that make people, communities or places more vulnerable to harm from the impacts of hazards (i.e. socio-economic status, age, ability, gender).

This is an important part of the programme, and it will help inform our adaptation and hazard management planning. 

 

If you’re unsure about how this works and why this work is a critical foundation to future decision making, please call us.

We are happy to talk to anyone who lives or has a vested interest in the area at the Head of Lake Whakatipu about what this means for them. 

 

Image: Mt Alfred

Mt Alfred
 

Our next community engagement update

 

We are planning a community session in a couple of months.

This is an opportunity to further refine community values and objectives and discuss possible adaptation and hazard management options at the Head of the Lake and what it all means for you as a community.  

 

We’d like to give an in-person update about the programme and where we are heading over the next 12 months.

We also want to check in with you, the community, about the different perspectives on the future of adaptation and natural hazard management for Glenorchy and surrounds to guide our work and the strategy.  
 

 

Later in the year, we will be coming back with a shortlist of adaptation options and pathways to discuss. These will be possible pathways for the future of the Head of the Lake. 

 

More details to come in our next newsletter!

 

As always, we value your feedback


This adaptation programme was initiated because complex, increasing natural hazards in the Head of Lake Whakatipu require a comprehensive management response that takes a long-term view and encompasses all types of natural hazards.

 

This is your community, and we want to work with you to develop understanding and resilience. Check here to learn more about the whole programme.

If you have questions or need information, visit our 
website to see the reports and get answers.

You can also contact ORC Natural Hazards Manager Jean-Luc Payan on 0800 474 082 or email us for more information at 
headofthelake@orc.govt.nz.

 

This email will go to our Natural Hazards team, and we will provide responses to any emailed questions and facilitate answers from our consultants if needed.

 

Head of Lake Whakatipu newsletter sign-up

If you are currently not receiving our monthly newsletters, you can sign up here and view archives of past editions.

 

Contacts

If you have any questions or would like to get in touch with us, please email us at headofthelake@orc.govt.nz.

 

 
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