The Chairperson will open the meeting and welcome
everyone present.
2 Apologies
At the close of the agenda no apologies had been received.
3 Declaration of Interest
Members are reminded of the need to be vigilant to stand aside from
decision making when a conflict arises between their role as a member and any
private or other external interest they might have.
4 Confirmation of Minutes
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That the Manukau Harbour Forum:
a)
confirm the ordinary minutes of its meeting,
held on Monday, 10 August 2015, including the confidential section, as a true
and correct record.
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5 Leave of Absence
At the close of
the agenda no requests for leave of absence had been received.
6 Acknowledgements
At the close of the agenda no requests for acknowledgements had been
received.
7 Petitions
At the close of the agenda no requests to present petitions had been
received.
8 Deputations
Standing
Order 3.20 provides for deputations. Those applying for deputations are
required to give seven working days notice of subject matter and applications
are approved by the Chairperson of the Manukau Harbour Forum. This means that
details relating to deputations can be included in the published agenda. Total
speaking time per deputation is ten minutes or as resolved by the meeting.
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8.1 Barbara Carney - Manukau
Beautification Charitable Trust
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Purpose
1. Graeme
Bakker and Barbara Carney from the Manukau Beautification Charitable Trust
will be in attendance to present to the forum on ‘Eye on Nature - April 2016’
which is an environmental education event held annually
at the Auckland Botanic Gardens.
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Recommendation/s
That the Manukau Harbour
Forum:
a) Receives the
presentation from Graeme Bakker and Barbara Carney from the
Manukau Beautification Charitable Trust and thank them for the presentation.
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Attachments
a Presentation from Manukau
Beautification Charitable Trust................. 51
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9 Public Forum
A period of
time (approximately 30 minutes) is set aside for members of the public to
address the meeting on matters within its delegated authority. A maximum of 3
minutes per item is allowed, following which there may be questions from
members.
At the close of the agenda no requests for public forum had been
received.
10 Extraordinary Business
Section 46A(7) of the Local Government Official Information and
Meetings Act 1987 (as amended) states:
“An item that is not on the agenda for a meeting may be dealt with
at that meeting if-
(a) The local authority by resolution so
decides; and
(b) The presiding member explains at the
meeting, at a time when it is open to the public,-
(i) The reason why the item is not on the agenda; and
(ii) The reason why the discussion of the item
cannot be delayed until a subsequent meeting.”
Section 46A(7A) of the Local Government Official Information and
Meetings Act 1987 (as amended) states:
“Where an item is not on the agenda for a meeting,-
(a) That item may be discussed at that meeting
if-
(i) That item is a minor matter relating to
the general business of the local authority; and
(ii) the presiding member explains at the
beginning of the meeting, at a time when it is open to the public, that the
item will be discussed at the meeting; but
(b) no resolution, decision or recommendation
may be made in respect of that item except to refer that item to a subsequent
meeting of the local authority for further discussion.”
11 Notices of Motion
At the close of the agenda no requests for notices of motion had
been received.
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Manukau
Harbour Forum
12 October
2015
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Manukau Harbour
Work Programme, including options for hydrodynamic modelling
File No.: CP2015/17856
Purpose
1. To provide the Manukau Harbour Forum (the Forum) with a
programme of work related to the Manukau Harbour.
2. To provide the Forum with an update on a detailed study
being undertaken to determine the feasibility of hydrodynamic modelling for the
Manukau.
Executive Summary
3. As part of its decision making on the Long-term Plan (LTP)
2015-2025, the governing body requested staff ‘identify the current, whole-of-council
integrated programme of work related to the Manukau Harbour’, along with
recommendations for the future programme of work, including ‘the option of
hydrodynamic modelling’ (resolution GB/2015/31). (The full wording of the
resolutions is appended as Attachment A for information). It is also noted that
the development of such a work programme is one of the objectives of the Forum
stated in its 2013 Vision and Strategy.
4. This report presents the operational and strategic work
programme related to the Manukau Harbour to the Forum for its consideration
(Attachment B). The Forum is asked to note that the future work programme will
be similar consisting of a mix of projects with the addition of a scoping study
to determine the feasibility of any future hydrodynamic modelling project for
the Manukau.
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Recommendations
That the
Manukau Harbour Forum:
a) Notes the current projects of relevance to the Manukau
Harbour.
b) Notes that regional funding has been committed to fund a
scoping and feasibility study for hydrodynamic modelling in the Manukau
Harbour to be completed this financial year.
c) Notes that options for the implementation of hydrodynamic
modelling will be presented following the completion of the scoping study,
and a review of conclusions from that study.
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Comments
Work Programme
5. The only agreed vison and strategy for the Manukau is that
recently agreed by the nine Forum member boards. As such, the Manukau Harbour
Forum Vision – The Manukau Harbour is recognised and valued as a significant
cultural, ecological social and economic treasure/taonga – has provided a
framework for the development of the work programme. Operational and strategic
policy projects of relevance to the Manukau have been noted against the four
outcome areas (cultural, economic, ecological and social) included in the
vision statement.
6. The governing body requested the ‘whole-of-Council
integrated programme of work related to the Manukau. Although the attached work
programme includes a number of projects relevant to the Manukau, it should not
be considered an integrated programme of work. Rather, the projects noted in
the attached work programme have been developed separately over time to deliver
on a number of different Council outcomes, but also have relevance to the
Manukau Harbour catchment
7. The governing body resolution to identify projects
‘relevant’ to the Manukau Harbour allowed for the development of a wide-ranging
work programme, including both operational and strategic policy projects.
Operational projects include restoration activity in local parks and reserves
neighbouring the Manukau, as well as along streams that feed the Manukau. The
work programme also includes activity within the wider harbour catchment such
as water quality monitoring.
8. The strategic programme of work relevant to the Manukau
includes an upcoming state and trends report on the Manukau Harbour and its
catchments, drawing on information collected as part of the regional state of
the environment monitoring programme. A review is also being undertaken of the
1990 Manukau Harbour Action Plan to identify what actions from that plan have
been completed, or incorporated into existing departmental work programmes.
9. The work programme includes projects funded at a regional
level and through local boards’ locally driven initiatives (LDI) budgets. It
also references work programmes managed by Council Controlled Organisations. In
summary, there are planned for investments in several activity areas noted
under the following headings in the attached spreadsheet;
·
Strategy and Policy;
·
Water Quality;
·
Ecological Restoration;
·
Amenity;
·
Monitoring, and
·
Renewals.
Future Work Programme
10. The current work programme identifies a range of projects
supporting cultural, economic, ecological and social outcomes. It is
recommended that in developing their annual work programmes that Forum member
boards continue to have regard to projects that impact on the Manukau Harbour.
11. Council staff recommend that any future programme of work
for the Manukau Harbour include the development of a strategic plan. This plan
would provide for the development of the integrated programme of work requested
by the governing body and referred to in the Forum’s vision and strategy.
12. At a regional level, there is no up to date strategic plan
for the Manukau Harbour. The last action plan for the Manukau Harbour was
released in 1990 and was developed over several years, with extensive research
programmes undertaken to inform the action plan. Early assessments of this
document have determined that it is focused on discharges, with less commentary
on reducing sediment entering the Manukau. It is likely that the full review of
the 1990 Action Plan will illustrate the need for an updated plan to be
prepared for the Manukau Harbour.
13. At present, the Council’s plan for implementing the National
Policy Statement for Freshwater Management (NPSFM) has not yet been finalised.[1]
However, in principle, the NPSFM requirement to identify community uses and
values for waterways (which are then translated into water quality and quantity
limits and targets) requires consideration of the marine receiving environment,
as well as an understanding of the contaminant sources. The Manukau Harbour is
a “Freshwater Management Unit” (FMU) for the purposes of the NPSFM and should
be considered a possible tool for integrated planning and action to address the
water quality issues in the Manukau.
14. Indeed, while officers have recommended a strategic plan for
the Manukau, the preference of the Forum is for hydrodynamic modelling to take
place either concurrently with the development of a strategic plan, or to be
undertaken independently of a plan.
15. As such, it is recommended that the future programme of work
for the Manukau remain similar to that illustrated in Attachment B, with the
addition of a hydrodynamic modelling scoping study.
Hydrodynamic Modelling
16. The concept of hydrodynamic modelling was first presented to
the Forum in November 2014 as a key initiative in developing a strategic plan
for the Manukau. Hydrodynamic modelling can provide predictions in water
levels, tidal currents and waves across the harbour (2 dimensions) but also
from the seabed to the watersurface (3 dimensions). This third dimension
component is very important to adequately model the complex movement of
sediment and contaminants within the harbour (vertical mixing in the water
column and resuspension). A copy of that presentation is appended as Attachment
C, with additional detailed information on hydrodynamic modelling appended as
Attachment D.
17. Since that presentation, the Forum’s member boards have
consistently advocated for hydrodynamic modelling as a means to understand
where sediment and other sources of contamination are entering the Manukau, and
where it goes. Data on sediment and other contaminant sources will be required
for the model to function. In itself this will be useful information, but the
implications are not yet understood.
18. The input data on sediment and other contaminants, together
with the outputs of a hydrodynamic model would assist the design and delivery
of targeted interventions to reduce sediment and contamination. There is no
hydrodynamic modelling that covers the whole of the Manukau and most studies
are more than 10 years old.
19. A detailed feasibility study is needed to determine if
hydrodynamic modelling will meet the above expectations along with the costs
and potential project staging. The scoping study will identify the data
requirements for the model and assess that against currently available data.
This will help determine staging, costs and likely effectiveness of the model.
It is therefore recommended that the scoping study be completed at a cost of
$20,000, prior to any further work, to identify funding sources for this modelling
work.
20. The scoping study will be funded regionally through budgets
held by the Stormwater, Environmental Services, Research and Evaluations Unit
(RIMU), and Natural Environment and Strategy units.
21. The scoping study is a critical and informative prerequisite
to the development of a hydrodynamic model for the Manukau Harbour. Given the
significant investment and budget re-prioritisation that would be required to
fund the model’s development, a thorough business case needs to be established.
22. It is recommended that the Forum note that a scoping and
feasilbility study will be completed, and that options to progress the
modelling will be developed following completion of that study.
Consideration
Local Board views and implications
23. The work programme includes projects funded by local boards
through their LDI budgets. These projects will be in scope if a
reprioritisation of budget is required to fund hydrodynamic modelling.
Māori impact statement
24. No consultation with Maori was undertaken for the purposes
of this report. Consultation and engagement with Maori is undertaken on
specific projects within the work programme where required. In addition, mana
whenua noted support for work to improve water quality in the Manukau as part
of their submissions on the LTP.
25. Any future programme of work for the Manukau, including the
development of a strategic plan, would need to have regard to pending Tiriti
ō Waitangi discussions with Manukau Harbour mana whenua.
26. The Forum has agreed to meet with mana whenua up to three
times per year. Depending on the scheduling of the first hui, there may be an
opportunity to discuss this work programme and the proposed hydrodynamic
modelling with iwi at that hui.
Implementation
27. The outcomes of the scoping study will be discussed with the
Forum prior to any decision making on funding for hydrodynamic modelling.
28. As per the resolutions of the
governing body, feedback received at this meeting will be incorporated into a
report on this work programme to be presented to the Regional Strategy and
Policy Committee (RSPC). As no new funding is available to support hydrodynamic
modelling, the report to RSPC will need to provide recommendations on the
re-prioritisation of this work programme to identify funding for the modelling
work.
29. It is noted that the RSPC is not
able to reprioritise projects funded through local boards’ LDI budgets and
projects taking place on parks in order to fund future hydrodynamic modelling.
Attachments
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No.
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Title
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Page
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aView
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Governing Body Resolutions on Manukau Harbour Work
Programme and Hydrodynamic Modelling
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11
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bView
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Manukau Harbour Work Programme
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13
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cView
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Hydrodynamic Modelling - Presentation to Manukau
Harbour Forum, November 2014
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21
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dView
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Further information on hydrodynamic modelling
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45
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Signatories
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Authors
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Dr Jarrod Walker – Senior Scientist
Mara Bebich - Stakeholder Liasion Manager
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Authorisers
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John Dragicevich - Manager Infrastructure and
Environmental Services
Victoria Villaraza - Relationship Manager
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