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Northeast US Threatened by Increased Flooding

Sea levels are rising at an alarming rate. According to a report in Nature Communications, sea levels on the northeast coast of the U.S. made a dramatic jump in the year 2009-2010. At first glance, the increase of about 128mm (4″) does not seem to be particularly noteworthy. Statistically, however, the sudden increase is very significant. This single-year rise has not been seen at any time during the last 100 years, and is said to be an event that occurs no more than once every 850 years.

Rising sea levels are of critical importance to the millions of residents and business owners that throng this highly-developed region. Any increase in sea level means that storm surges have an ever-increasing toehold on the land where homes, businesses and skyscrapers cling to precarious foundations. The evidence is now almost universally accepted by scientists: climate change is largely responsible for the increase in sea levels.

Sea level rise is affected by many factors. The northeast coast of the U.S. is close to ocean currents that are very strong, fierce and damaging. Ocean currents, changes in wind patterns, the increasing incidence of storms and hurricanes, climate change and global sea level rise combine in ways not fully understood. These factors influence each other and may produce conditions not yet seen or studied. For this reason, a jump in sea level rise could cause far-reaching results that seem grossly out of proportion to the 128mm increase.

There are many theories to explain the sudden sea level rise. The most accepted theory blames the Atlantic Ocean current called the Atlantic meridional overturning circulation (AMOC). When the AMOC slows, weather patterns, erosion patterns and sea levels are affected on both sides of the Atlantic. Scientists predict that the AMOC will continue to slow during this century, increasing the rate of sea level rise for the northeast U.S. coastal regions.

The situation may be worse than predicted by scientists, and must therefore be addressed on a timeline more aggressive than is currently in place.

The New York City Panel on Climate Change earlier this year released a report that foresees a sea level rise of six feet for the New York area during this century. Sea level rise in this zone is already about twice the global average, and much of the metropolis is low lying. FEMA flood maps show how much of the city is at risk for flooding.

The dire prediction inspired quick action by New York Mayor Bill DeBlasio. The mayor announced plans to reduce emissions in New York City by an ambitious 80 percent and unveiled measures that will be put in place to protect his vulnerable city from flooding. “We have a comprehensive, multi-layered resiliency plan that is already making neighborhoods safer,” DeBlasio said.

The city is also investing $30 million in innovative technologies and climate change solutions to at-risk and vulnerable small businesses impacted by Hurricane Sandy. Among the building systems that will be deployed by the city are thin, impact-resistant, modular flood barriers that can be installed quickly and efficiently before a storm event; technology that monitors flood control data in real time to control valves in storm and plumbing systems, preventing critical utility systems from flood inundation; and a system to capture, transfer and deliver natural light to dark interior building spaces. (Click to read the news release).

These actions by New York City are prudent and timely with tropical storms already impacting the east coast before the official start of the Atlantic hurricane season on June 1. Property owners located in coastal zones will need to take prompt action to protect investments and lives. Practical and comprehensive measures should be implemented to defend against the encroaching sea.

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Tom Osborne is the president of Flood Panel, LLC of Jupiter, Florida (www.floodpanel.com), where he oversees design, development and operations for the manufacture of flood mitigation products for commercial buildings in flood zones nationwide. Tom has worked closely with the Association of Flood Plain Managers nationwide, and specifically in New Jersey, where recovery from major flooding caused by Hurricane Sandy is ongoing. Tom is a member of the Small Business Association of America and is a Certified Provider of Continuing Education for the Architectural Institute of America for Dry Flood Proofing Commercial Buildings.

Source:: FloodBarrierUSA

New FEMA Law to Affect Home and Business Owners

The Journal of Earth Science has published a new study from Washington University in St. Louis that says federal agencies are underestimating 100-year flood levels on major rivers in the Midwest by as much as five feet. For businesses in these areas, this should cause serious concern. For most, moving out of the flood zone is not an option. Flood mitigation solutions, such as flood panels, flood doors and flood barriers should be considered to protect buildings and valuable business assets. Click here to read more on the study.

Flood waters inundated parts of Jefferson City, Missouri, and threatened the Missouri State Capitol during the “Great Flood of 1993.” Credit: Wikipedia / Creative Commons

Source:: FloodBarrierUSA

Recent Changes to the Flood Insurance Program

Please click on image to view PDF document in a new window.

In April of 2015, changes to the National Flood Insurance Program (NFIP) will be implemented. These changes will bring some minor relief to some, and pain to others. The changes are mandated by the Homeowner Flood Insurance Affordability Act (HFIAA), which was passed by Congress in 2014.

After the major storm events that struck the heavily populated US East Coast in the past few years, changes were made to federal flood plain maps. These changes placed thousands of properties newly inside the flood zone, thus requiring them to obtain flood insurance for the first time. The addition of many new properties led insurance companies to raise rates precipitously in 2013, and many homeowners were unable to afford the now-required insurance.

For this reason, Congress decided to modify the Biggert-Waters Flood Insurance Reform Act, which had been passed in 2012. The situation had changed rapidly since the passage of this legislation, and the law now resulted in consequences that had not been intended: onerous and steep increases in insurance rates for homeowners.

The HFIAA will help offer some relief to beleaguered homeowners in the following ways:

Setting rates for allowable increases to insurance policies. The increase in rates for individual homeowners will be capped at 18%.
Some subsidized insurance holders will receive mandatory rate increases, which will lower rates for others.
Properties that have been newly designated as being within flood zones will receive an economical insurance plan for the first year.
A reserve fund will be established to ensure policy coverage in the event of a new, large disaster that produces many claims.

These changes, while helpful, fall far short of the relief many property owners were hoping for. Faced with sudden, newly mandated flood insurance requirements, many homeowners have failed to buy the insurance, or have dropped existing policies when the rates skyrocketed. FEMA, on its website, starkly warns homeowners against this course of action. Properties without flood insurance will not only face the spring flooding season without any protection, but will suffer additional rate increases as a result of dropping the insurance or failing to get new insurance coverage by the deadline.

A quick look at the “relief provisions” of the HFIAA reveals the dire situation that many homeowners are facing. For example, the HFIAA caps rate increases to ‘only’ 18% … but that is still a huge and unaffordable increase for many households. Although the US economy is said to be strong, and unemployment is low, wages have not kept pace with rising costs, and many families are still struggling.

In the same vein, although the HFIAA does provide “economical” rates for new policies, but these reduced rates are in effect for the first year only — after which the homeowner will face the 18% increase in rates. In summary, it appears that the HFIAA changes, while better than nothing, will still leave many property owners in a very difficult position.

Source:: FloodBarrierUSA

New Executive Order Regarding Floodplains in Comment Phase

The new Executive Order (EO) 13690, enacted by President Obama earlier this year, is currently in the public comment phase. Comments from builders, floodplain managers, city officials, or members of the general public will be heard until the date of April 6, 2015.

After that date, the comments will be sifted and considered, and changes to the EO will be included in the final legislation. EO 13690 will amend the previous EO 11988, which went into effect decades ago. The climate of the planet has changed since the enactment of the earlier EO, and these changes are now better understood by the scientific community.

It is now generally agreed that human activity is changing the climate of the planet, and that these changes are occurring much faster than previously thought. In order to protect public investment for infrastructure and new projects, these ventures must now meet guidelines designed to protect the building sites well into the future.

The Association of State Floodplain Managers (ASFM) is currently asking its members, community members, and any other interested parties to weigh in on the proposed EO. Comments may be registered at this website (click on image to visit in a new window):

Click here to open web page in a new window

To make a comment, simply click on the green box that reads “Submit a Formal Comment”

Source:: FloodBarrierUSA

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Mega Flood Log System Far Exceeds Industry Testing Standard

February 13, 2025

Mount Royal, N.J—Engineers, architects and contractors can rest assured that Floodproofing.com has a selection of products that meet and exceed the forthcoming American Society of Civil Engineers/Structural Engineering Institute (ASCE/SEI) 24-24 standards for flood-resistant design and construction. Now the international leader in flood mitigation products has another engineered and tested product that exceeds these new standards for buildings in FEMA flood zones. Floodproofing.com recently conducted third-party testing of its Flood Panel Mega Flood Log System following hydrostatic and impact performance standards of the American National Standard for Flood Mitigation Equipment known as ANSI/FM 2510. According to the new ASCE/SEI 24-24 standards, all flood barriers must be tested and certified to meet the applicable requirements of ANSI/FM 2510. Manufactured at the company’s Jupiter, Florida-based Flood Panel facility, the Mega Flood Log System underwent seepage and impact testing in two configurations 12 feet wide by 5 feet high, and 5 feet wide by 8 feet high. The system was tested in a water tank filled to 10 percent capacity for one hour and 100 percent capacity for 20 hours. The ANSI/FM 2510 test limit for seepage is 0.08 gallons per hour per linear foot of seal – about 10.2 ounces. The Mega Flood Log System tested at 0.01 gallons per hour – about 1.3 ounces, far exceeding the standard. Even after impact testing with a 110 lb. wooden log smashing into the assembled system, Mega Flood Logs showed no additional seepage when retested. “With the more stringent requirements of ASCE/SEI 24-24 about to go into effect, the design and build industry needs assurance that the flood mitigation products and solutions they incorporate are professionally engineered and thoroughly tested,” said Floodproofing.com President and CEO Tom Little, CFM. “We follow a very high standard of excellence for our products, and we are proud of the testing results of the Mega Flood Log System.” Designed to be highly resistant to heavy impact forces and withstand high-velocity water loads typical of flash floods and hurricanes, the Mega Flood Log System is an in-demand flood mitigation solution with hundreds of successful installations and deployments at commercial properties and critical infrastructure facilities. The innovative design makes it easy to install and quick to deploy. The Mega Flood Log System offers the following benefits: Easy Assembly: Offers the lowest reaction times of flood control systems on the market and can be assembled by just one or two people. C-Shaped Support Posts: The system comprises a series of “C” shaped support posts and hollow aluminum beams that anchor the flood barrier system. These beams stack on each other with a tongue and groove connection. The bottom beam of each span is fitted with a large rubber seal that makes contact with the surface achieving a watertight seal. The support posts that attach to the building structure can be installed on a removable basis, minimizing the aesthetic impact on the building. Easy Deployment and Storage: Twelve-inch-high logs cut the deployment time and allow for more efficient, easy storage. Modular System: A modular, stackable system makes it easy to install in specific flood-prone areas, including window openings, across doors and storefronts, as well as an entire perimeter defense against flooding. Because of its modular design, it can run the length of any sized structure. Custom Designs Available: Our team designs custom solutions to fit unique building specifications. About Floodproofing.com Floodproofing.com is the go-to resource for all things related to flood risk and resiliency. We manufacture and supply the largest selection of innovative solutions under one roof and provide complimentary floodproofing design and turnkey assessments that present the best options to mitigate flood damage, improve recovery time, and lower liability risk. In addition, the Floodproofing.com team has spent many years studying the science of flood mitigation and is certified to instruct and provide learning credits to all professionals affiliated with the design-build industry. Also, our in-house insurance agency, Risk Reduction Plus Group, provides NFIP and private flood insurance options with the lowest possible premiums for at-risk communities. For more information, visit Floodproofing.com.