Category Archives: Flood

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Planning for Extreme Floods

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Flooding

Companies in the United States should begin preparing now for climate change, which is predicted to cause extreme weather conditions, according to FM Global’s report, The Impact of Climate Change on Extreme Precipitation and Flooding. As the climate warms, areas that are dry will become drier and moist areas will see higher precipitation. The characteristics of precipitation will also change. “We feel cli­mate change not so much through subtle changes in the mean, but through changes in the extremes,” MIT Prof.

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Kerry Emanuel said in the report.

While the overall amount of precipitation might remain the same, it will become less frequent but more intense.

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A specific region of the country that has historically seen 10 inches of rain each May might see the same volume that month, for example, but those 10 inches may occur in a much shorter period of time, increasing the risk of flooding, according to the study.

By the end of the century, as temperatures rise, it is possible for precipitation to change by 8%, which could exacerbate wildfires in some areas and flooding in others.

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The danger is that, because these extreme events are infrequent, they lack urgency, so planning can easily be put off. Risk managers are advised to check their facility’s resilience in terms of the building’s ability to withstand flooding, focusing on 500-year flood levels rather than 100-year.

Extreme wet or dry conditions can affect a company’s buildings, machinery, data centers, transportation networks, supply chains, people and sales. Organizations should focus on water management—diverting water from property, optimizing drainage and protecting water supplies, and they should consider new weather extremes when managing supply chains.

Flood hazard mapping is increasingly proving helpful as understanding of water risk is improving, Louis Gritzo, vice president and manager of research with FM Global, wrote in “Mitigating Evolving Water Threats,” from this month’s Risk Management Magazine. Advances in technology have led to improvements in weather satellites, geospatial data acquisition and physical model development, making old models obsolete. Anyone working with information from a flood map that is more than 15 years old should consider an update, he wrote.

Those with a flood map should make sure it includes potential coastal flooding areas as well as river flooding, also taking into account the local topography of coastal locations. “Areas along the coast that are surrounded by hills and mountains will likely experience far more wind-blown water (storm surge), as the local terrain directs more water in spaces between steeper slopes,” Gritzo wrote.

Natural Barriers Promote Coastal Resilience, Reduce Costs

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WetlandsNEW YORK—Hurricane Irene and Superstorm Sandy had devastating impacts on the northeast coastline, debilitating parts of New York and New Jersey. While also in the path of the storms, Delaware saw minimal impact, which the state’s former head of natural resources and environmental control, Colin O’Mara, attributed to its conservation efforts.

Now president and chief executive officer of the National Wildlife Federation, O’Mara spoke at the New York Recovery and Resilience Leadership Forum here June 2, explaining that the state had been building up natural barriers and testing its resilience with various resources.

“During the storm we were checking sandbags and making sure systems were in place and I was wondering if these systems were going to hold,” he said. “What we found was that the system did work.

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” He noted, “One of the reasons you haven’t heard much about what happened in Delaware, compared to New Jersey and New York, is the state’s investments in wetlands, living shoreline projects and oyster beds. These natural systems can absorb the shock of crashing waves and absorb water.”

A living shoreline is a habitat-friendly alternative to rip rap, bulkhead or stone revetments, creating wetland habitat that supports blue crabs, oysters, fish, birds and plants. They can also stop erosion, increase water quality and protect the shoreline from erosion, according to the state of Delaware’s website.

A number of municipalities across the country are making significant advances in natural infrastructure, O’Mara said, “and you are not seeing big taxpayer bailouts of those communities because these systems work.”

At the same time, he noted, many areas do not encourage these types of investments. “In fact, there are a number of policies that are actually putting people in harm’s way,” he said. “We’ve been trying to think through how to have traditional market forces work to the advantage of resilience, instead of having a massive bailout after an event, which is a liability to the taxpayer.

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”

Conversations about mitigating with natural resources, however, often get nowhere because people believe their insurance programs will bail them out. “Because of government programs, people are actually paying so much less than the insurance value they are receiving, that natural resources as a solution will lose,” O’Mara said. As a result, “All of a sudden that coast seems more developable because the landowner developing it isn’t actually bearing the cost.

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” The real problem is that, after the money has been made and a homeowner is living in the house, the risk is still there. “So you’ve privatized the problem, but you have socialized all of the risk,” he said.

Instead, O’Mara believes it is critical that information about the real costs of destroying a dune, along with the protections it brings be available. “This isn’t an easy conversation, but it is actually an area of commonality,” he said. “Whether you want to reduce government spending, reduce liability or foster more private sector activity, this is an area that shouldn’t be partisan at all.”

Projects of this nature are currently in the works in New York City; Cape May, New Jersey; and Boston, Massachusetts. Such spending on the front end produces much higher savings in the long run, O’Mara said, noting that putting natural resources to work can lower insurance rates and generate private sector involvement.

“We can do things a lot smarter and be a lot safer than we are right now,” O’Mara said. “This should be as bipartisan as anything we do in this country. The economics make sense, the science makes sense and the social science makes sense.” After all, at the end of the day, “people just want to be safe,” he said.

Houston Faces ‘Largest Flooding Event Since Tropical Storm Allison’

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Historic flooding has left the Houston metropolitan area inundated once again this week, killing at least seven people, flooding 1,000 homes and causing more than $5 billion in estimated damages in Harris County alone. Gov. Greg Abbott declared a state of disaster for nine counties in and around the Houston area. The widespread nature of the disaster prompted the city of Houston to call this the largest flood event since Tropical Storm Allison, which devastated southeast Texas in 2001, causing $9 billion in damage and $1.1 billion in insured losses.

According to Harris County Judge Ed Emmett, about 240 billion gallons of rain fell on the Houston area this week. That’s the equivalent of 363,400 Olympic-size swimming pools, CNN reported. After 10 inches of rainfall fell in six hours Sunday night into Monday, powerful, slow-moving thunderstorms had paralyzed the region Monday, but storms continued through Wednesday.

Having some of the hardest rainfall overnight helped a bit to mitigate the dangers this week. While this made it difficult to predict, it allowed people to better make choices about going out, as opposed to last year’s floods around Memorial Day, Emmett told the Houston Chronicle. Nevertheless, emergency crews made more than 1,200 high-water rescues, many residents had to evacuate to shelters, and for those who were able to shelter in place, 123,000 homes had no power at the height of the flooding. Officials have also expressed concern about two local dams that have been rated “extremely high risk and are at about 80% capacity, but they are not in immediate danger of failing.

As I wrote in Risk Management last year, the city’s rapid urbanization and approach to land development have made it extremely vulnerable to flooding perils because there is little land surface that can absorb water in foul weather. Rivers, bayous and other receptacles for runoff are easily overwhelmed and take a considerable amount of time to return to normal levels, making the heavy, concentrated, sustained rainfall seen this week even more dangerous in such an urbanized setting. Last May, record rainfall and severe thunderstorms caused tremendous damage across Texas and Oklahoma, killing 32 people and flooding more than 5,000 homes in the metro regions of Houston, Austin and Dallas.

With this latest storm, Houston again offers a powerful reminder about the natural catastrophe perils compounded by urbanization and the need to prepare, both in the form of routine disaster preparation and urban planning. From the August issue of Risk Management:

The city has invested hundreds of millions of dollars to battle the effects of urbanization. On Buffalo Bayou alone, for example, flood control efforts totaling half a billion dollars in the past decade have included bridge replacements, the addition of detention ponds for runoff, and creation of green spaces that serve as parks in normal weather while offering more land surface that can absorb water in foul weather.

But the investments are not enough. “Houston may be doing things to try to improve…but there’s a long history of pre-existing stuff that is still there,” Walter Peacock, an urban planning professor at Texas A&M and director of the school’s Hazard Reduction and Recovery Center, told Time. “Think about every time you put in a road or a mall and you add concrete—you’ve lost the ability of rain to get into the soil and you’ve lost that permeability. It’s now impermeable, and therefore you get more runoff.”

Time for Post-Storm Claims Filing

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Record-breaking Storm Jonas, which struck a large portion of the East Coast last weekend, was yet another reminder to have property insurance policies up to date and be familiar with claims procedures. To get the claims process moving, risk professionals whose business suffered damage should contact their insurer and broker as soon as possible.

According to the Insurance Information Institute, business owners need to:

▪ Fill out claims forms as soon as possible—including a “proof of loss” form, which must be completed within 60 days.

▪ Make a list of damaged property; the more detailed the better. Take photos or video to back up the claim.

▪ Be prepared to show the adjuster the damaged property as well as financial records or other documents.

▪ Get at least two bids for repairs or replacements.

▪ Keep copies of all correspondence regarding the claim and note the name, title and phone number of everyone you speak with. For more details, see Filing a Business Insurance Claim.

 What Is, and Is Not, Covered 

Business property owners also need to understand what is and is not covered by insurance, and the various coverage options available to protect their business. Property damage is typically covered under a business owners policy (BOP) or through a commercial multi-peril (CMP) policy.

Most commercial property policies provide either:

▪ Replacement cost coverage – pays to rebuild or repair the property, based on current construction costs.

▪ Actual cash value coverage – pays to rebuild or replace the property minus depreciation

Depreciation is a decrease in value due to wear and tear or age so with actual cash value coverage a business that is destroyed may not be in a position to completely rebuild. Business owners can also opt for a combination of both types of coverage.

Business income insurance, also known as business interruption, is typically included in a BOP or CMP and provides coverage for:

▪ Revenue lost due to the closure.

▪ Fixed expenses, such as rent and utility costs.

▪ Expenses of operating from a temporary location.

To receive appropriate reimbursement from business interruption coverage, there must be direct physical damage to the property resulting from an insured event. Also, there is generally a 24- to 48-hour waiting period before business income coverage kicks in.

Determining a business interruption loss involves establishing what the business would have earned had there been no loss. Insurers will consider past tax returns, profit and loss statements, projected sales and non-continuing expenses.

If basic business interruption insurance and property insurance coverage was expanded to include utility interruption, you may be covered if either electrical or water service was discontinued as a result of the storm.

Businesses that rent or lease a building can purchase tenant coverage, which insures your on-premises property, including machinery, furniture and merchandise. The building owner’s policy will not cover contents, however.

At Risk for Flood Damage?

Location is the most important factor for weighing your risk for flood damage. Is your business located in or near a flood zone? (Flood map search tools can be found online.) In what part of the building is your businesses equipment and inventory located? Anything housed on a lower floor, for instance, will be at greater risk.

Standard commercial insurance policies exclude flooding from melting snow or tidal surge. Commercial flood coverage is available from the National Flood Insurance Program (NFIP) and from a few private insurers. The NFIP provides up to $500,000 in building coverage and $500,000 for contents. Excess flood insurance is also available for businesses.

For more information on coverage options and disaster preparedness, see the Business Insurance section of the III website.

Related Links

▪ Facts and Statistics: Catastrophes

▪ Articles: When Disaster Strikes: Preparation, Response and Recovery; Does My Business Need Flood Insurance?; Does My Business Need Earthquake Insurance?; Does My Business Need Terrorism Insurance?;