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Climate Ready O'ahu- City Department Review

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Summary

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Welcome!

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Introduction: Climate Adaptation and Climate Hazards

As the climate changes, we’ve become more and more familiar with its impacts here at home. Our top climate hazards are sea level rise, increasing temperatures, decreasing precipitation, flash flooding, and hurricanes. Oʻahu residents have experienced warmer summers and winters, fewer trade winds, more extreme Kona Lows and King Tides, less predictable rain patterns, and disappearing sandy shorelines.

Climate Equity & Community Voices

Climate equity begins with recognizing and addressing unequal burdens within communities that are made worse by climate change. Equity was a priority in the development of Climate Ready Oʻahu through robust stakeholder engagement across the whole island.

Empowered and Prepared People

A Climate Ready Oʻahu is one where all people are empowered with the knowledge, tools, and resources to prepare for climate impacts.  This section shares 4 strategies and 15 actions related to the people that work, play, and live here on Oʻahu.

Safeguarded and Stewarded Aina

A Climate Ready Oʻahu is one where connections between people and native ecosystems are cultivated so the ʻāina is safeguarded for generations to come.  This section shares 4 strategies and 20 actions to ensure ʻāina remains healthy and accessible to all.

Safe and Reliable Infrastructure

A Climate Ready O‘ahu is one where infrastructure keeps residents safe from climate hazards at home, at work, and everywhere in between. This section shares 4 strategies and 22 actions to ensure that our infrastructure is able to handle various climate hazards.

Adapting Together: A Call to Action

We are committed to future collaboration between the City and County of Honolulu, community-based organizations, businesses, residents, and visitors to implement this plan successfully. As we set forth on this transformative path, we call upon every individual and entity on Oʻahu to take action.

Guided Tour

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This quick guided tour will take you through the most important parts of this document, providing you a brief overview of what you'll be seeing along with some helpful tips.
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in reply to Walter Billingsley, DDC's comment
Answer
Thanks for this reminder. Due to space, we can't talk about all of the different ways that impacts can combine (we'd love to though!), but we will add some language about combined impacts to the intro of this section on page 25
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in reply to ResilientOahu's comment
Answer
For additional context, the impetus behind the guidelines, Mayoral Directive 18-2, is a requirement for all City departments to take climate mitigation and adaptation into account on their projects.
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in reply to Walter Billingsley, DDC's comment
Answer
We tried to either incorporate or provide a response to all of the comments that were submitted to the City Review Draft period. I believe we did do with the comments you had submitted but I apologize if we missed something. I also want to clarify that requiring the use of the design guidelines is not the same as requiring design changes to projects, merely that the projects being reviewed for applicability and opportunities. As explained in the previous comment, the design guideline toolkit itself anticipates different recommendations based on the risk, exposure, cost, etc. We will add additional language to the description of the guidelines to clarify and avoid similar confusion by others.
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in reply to Walter Billingsley, DDC's comment
Answer
What this action is fundamentally saying is that we want to make sure that all of the work that has gone into the development of these guidelines cannot be waved away as optional when it is inconvenient. I believe that the guidelines themselves are meant to try and distinguish whether its use/recommendations would be cost-beneficial. For example, the CCDG Toolkit itself contains a screening tool, a section on cost-benefit considerations, and the Climate Resilient Design Guidelines themselves also contain multiple tiers of design alternatives based on exposure and vulnerability.
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in reply to Walter Billingsley, DDC's comment
Answer
See our previous response to your earlier comment to the same effect: You're right that this is a new idea. But we know that the CCDGs are something that will only grow more and more useful and important. Creating and introducing the CCDGs is the first step, not the last, in facing climate impacts on City assets, so this action is meant to get people to start thinking along that reality.
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in reply to Renee Espiau's comment
Answer
There are a lot of things in the document that we're not doing at the moment, but would make us better adapted!
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in reply to Renee Espiau's comment
Answer
Thanks for the question! This adaptation pathway was developed for Waipahu Depot Street. For example, the SLR threshold at which the nature-based infrastructure no longer functions was determined by Waipahu Depot Street's exposure as depicted in the SLR viewer. We thought it would be more helpful to have a specific example.
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Suggestion
Perhaps add park usage including athletic field events - not just nature experiences.
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Suggestion
Should we add a bullet about affecting working hours and special accommodations needed for jobs conducted outdoors during the day, such as cooling areas, breaks and specialized clothing for construction, landscaping, traffic control, etc.?
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Suggestion
Staff involved in planning and design of smaller and routine projects should not be required to use the guidelines to identify any significant climate change vulnerabilities that would be obvious, given the scope and location of a project. Please note that this comment was submitted during the City Review Draft but was not addressed in the Public Review Draft.
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Suggestion
The guidelines should not be required for many CIP projects, as it would be a waste of taxpayer money. Examples include renovating deficient electrical and mechanical equipment in existing buildings, renovating swimming pools, renovating athletic fields and field lighting, resurfacing City streets not threatened by rising water levels or coastal erosion, and many others. See next comment...
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Suggestion
“Following and initial introduction and adjustment period, the City will draft a policy to institutionalize the guidelines by requiring their use for planning and design of all future City capital projects.” This should not be stated, as it is not the intent of the guidelines that are currently under development. See next comment...
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Suggestion
Hurricanes: As mentioned under flash flooding, but even more important as a result of hurricanes, as we become more dependent on EVs, extended power outages from a hurricane could cripple transportation, even after roads are cleared, as EVs of all types could not be recharged.
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Suggestion
Sea Level Rise and Coastal Erosion: “Destruction of coastal waste management facilities that are around ground level…” could be improved if revised to, “Destruction of coastal waste management facilities at elevations near high tide or high groundwater level…”
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Suggestion
General Infrastructure Impacts: I don't see a section that addresses combined impacts, which is very important and should be addressed. For example, rising sea and groundwater levels combined with increasing drought (less rain percolating to groundwater) would be expected to increase saltwater intrusion in coastal areas and decrease the freshwater lens upon which our fresh water supply depends.
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in reply to Renee Espiau's comment
Answer
You are correct that trees are not always feasible. This is why our team honed in on a more generic shade quota which allows for trees where possible in addition to artificial shade structures. Shade structures are infrastructure designed to create shade in popular area, such as covered bus stops.
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in reply to Anna Mines's comment
Answer
Please email c.rossideleon@honolulu.gov whenever you have the new link. If you already know what the new web address will be, please send it to us as soon as possible.
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Suggestion
This seems unrealistic. Many times trees are not feasible due to utility conflicts. I recently saw research that small areas of lighter pavements make no difference on heat. And what are these other shade structures?????
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Question
Are we actually doing this?
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Suggestion
Insert space
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Question
What does this generic process image and table have to do with Waipahu Depot Street?
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Suggestion
add "and commerce."
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Suggestion
Why just residential? Delete that word.
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Suggestion
We are not really reducing street widths. We may be "reducing impervious surfaces on roadways."
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Suggestion
Change "road intersections" to "bikeways"
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Suggestion
I wonder if there's a succinct way to add the fact that other parts of the island are urbanizing quickly. And also that even in non-urban settings there are residents who don't have access to land because they are renters. But overall I agree that even if you have access to land, it's the *community* and *learning* pieces that should be accessible to all.
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in reply to Joshlyn Sand's comment
Suggestion
Agreed. The sentence still works without it. I would add "Currently, 8 out of 10 community gardens within the City's community gardening program are located in dense urban areas...". There are lot of community gardens outside of our program that are all over the island.
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in reply to Anna Mines's comment
Suggestion
I'm not sure that increasing the number of gardens necessarily means island-wide "unity", since there is not much inter-garden communication in our program. Can this last sentence instead say "These new community gardens will serve as inclusive spaces for individuals to connect with the land and with their community, building cohesion and resilience island-wide."
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Suggestion
growing space
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Suggestion
with the land and with their community,
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Suggestion
Not sure if the clause "Due to the nature of this program..." is understood. It isn't supported or explained and could be misinterpreted.
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Suggestion
"however, community garden benefits, such as learning about horticulture, strengthening community ties, and increased access to green space,"
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Suggestion
"2. Mental and physical health benefits, such as increased access to fresh fruits and vegetables."
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Suggestion
We just wrapped up a survey to our garden members and preliminary results show that gardeners who choose to grow vegetables and fruits self report an increase in food security (can share results if desired) by a small but significant amount. While we still suggest not centering food security in this action, it could be added as an example of an expected benefit. See next comment...
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Suggestion
We are migrating all of the community garden pages to a new website pretty soon so Source1 link will need to be updated. I'll do my best to follow up with the CRO team when that happens.
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Suggestion
Unless something goes seriously wrong and the landfill liner and/or leachate catchment system malfunctions or is damaged, active or recently closed landfills do not leak. (The leaking landfill subject is a sensitive one right now and we just want to
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Suggestion
Unless something goes seriously wrong and the landfill liner and/or leachate catchment system malfunctions or is damaged, active or recently closed landfills do not leak. (The leaking landfill subject is a sensitive one right now)
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Suggestion
Also, I think the use of the term “following” could be clarified.
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Suggestion
I wonder if this could be clarified. Currently written, it sounds like these things naturally “follow” storm surges and intense rain. There are occasional sewer spills but often the rain is not the main or only factor.
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Suggestion
Jack Pobuk: it is unlikely that recycled water systems have “Enhanced affordability” compared to BWS water. It is expensive to produce R-1 water for irrigation. I suggest this benefit be replaced with “More reliable source of irrigation water during droughts”
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Suggestion
Jack Pobuk: The City has not only the Honouliuli plant, but also the Laie Water Recycling Facility, which produces about 0.5 MGD for irrigation. Also, several of our WWTP’s have internal recycled water systems which saves significant amounts of potable water from being needed at WWTP’s.
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in reply to Walter Billingsley, DDC's comment
Answer
Absolutely true! Because cesspool conversion is now required by State law, this action is about trying to find resources to help support property owners who will incur these prohibitive costs.
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in reply to Terry's comment
Answer
Please see comment above about maintenance costs.
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in reply to Terry's comment
Answer
The idea here is that designing more infrastructure to be more resilient to known hazards will make them less likely to be damaged by them, and reduce repair and replacement costs. Some design features might have higher maintenance costs, it's true, but the rationale for more resilient design is that it's a smarter financial choice in the long term.
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in reply to Brandon's comment
Answer
I think this is trying to say that better maintaining the existing urban forest will help reduce tree replacements, and their maintenance costs. We will clarify the language. Thanks!
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in reply to Terry's comment
Answer
Thanks for this comment Terry! Interestingly, we were told by BWS that there is relatively small benefit to our *drinking water* resources from this type of recharge, due to the geography of where our urban areas are vs. where our drinking water aquifers are (in the mountains). However, for non-potable and ecological purposes (in addition to the the flood mitigation and water quality benefits) you're right that groundwater recharge is still important, though!
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in reply to Terry's comment
Answer
You're right that this is a new idea. But we know that the CCDGs are something that will only grow more and more useful and important. Creating and introducing the CCDGs is the first step, not the last, in facing climate impacts on City assets, so this action is meant to get people to start thinking along that reality.
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Suggestion
include definition of 'ike kupuna
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Suggestion
suggest changing to: "Recognize .... cultural practices that positively contribute to ...
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Suggestion
*Sentence 2: Suggest to revise to: “This connection to place has empowered strong community well-being and traditional practices which are essential for adapting to climate change.”
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