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A special report released in the January issue of the San Francisco Public Press contains a list of nearly 3,000 potentially earthquake-unsafe buildings in the city estimated to be housing more than 58,000 people.
The list, which was initially compiled by the Department of Building Inspection but not released to the public, shows all of the city's "soft-story" buildings, which are at a high risk of collapse during intense seismic activity due to their weak ground floors.
The buildings on this list have not necessarily been verified in-person by building inspectors as needing additional work in order to become earthquake safe.
In 2011, San Francisco voters rejected a $46 million bond measure that would have gone towards funding soft-story retrofits on the city's affordable housing and single-room occupancy units. Public Press reports that the list was released against the advice of many city officials, who worried that putting this information out in the open would needlessly alarm the public. A recent study conducted by researchers at CalTech and the Japan Agency for the Marine-Earth Science and Technology, found that zones in the San Andreas fault previously thought to be relatively stable actually have the potential to trigger a "mega-quake" that could shake California from Los Angeles to San Francisco. The small magnitude 2.0 earthquake caused by the controlled demolition of Cal State East Bay's Warren Hall was studied by the USGS to better understand the Hayward Fault and create more accurate risk maps of the area. Recently, a relatively local earthquake rolled through Napa Valley at a 6.0 magnitude, creating slight tremors throughout Marin County. Geologically, Redwood High School sits mostly on loose soils, which would result in devastation if struck by an earthquake of magnitude of 6.7 or higher, according to Carl Wilford, an earthquake engineer. Wilford says Redwood’s main academic building was originally constructed on marshland that was leveled and filled prior to its construction in the late 1950s.
The school is surrounded by loose soil and marshlands, known as a liquefaction zone; liquefaction is the process by which loose soil or sand is converted into a suspension during an earthquake. When liquefaction occurs, the soil becomes weaker, and its ability to support foundations of buildings and bridges is reduced.
The Redwood campus might have a similar outcome in the event of an earthquake over a magnitude of 6.0, according to Michael Skyler, founder of the Earthquake Supply Center in San Rafael.
Redwood’s main gym would also have a high risk of collapsing due to the lack of a stable center, Skyler said.
Wilford added that no building is truly earthquake “safe,” but a well-designed structure would be better suited to survive an earthquake. Redwood would be tremendously affected by the Hayward fault because there hasn’t been a large earthquake on the northern part of the Hayward in the last 300 years, and the recurrence interval is about one every 210 years, according to the USGS survey. The Hayward fault slices through densely populated areas, including the cities of Richmond, El Cerrito, Berkeley, Oakland, San Leandro, Hayward, Fremont, and San Jose. According to Earthquake Safety, a Bay Area organization that prepares individuals houses for earthquakes, the next quake in northern California will most likely transpire along the Hayward Fault. The 1906 earthquake was caused by the San Andreas Fault shifting over a segment about 275 miles long, and the subsequent shock waves could be felt from Oregon to Los Angeles. According to USGS, there have only been 12 “big” earthquakes in the Bay Area between 1906 and 2000, a lower number than in previous years, tallying up with an average magnitude of 5.5 and up. Directly following the 1906 earthquake, the fault stresses were reduced, along with the rate of large quakes in the Bay Area, but now, according to USGS, the plates are straining, creating stress on the Bay Area faults.
With the increasing probabilities of future Earthquakes in the Bay Area, only a few around the community are taking the certain safety precautions. According to the USGS fewer than 50% of families in Marin carry emergency supply kits, and as a result, are unprepared in the event of an earthquake. During the first 72 hours after an earthquake or any natural disaster, having emergency supplies is critical because bridges and roads used to transport food and water may be damaged from the disaster. According to Skyler, many people don’t realize that while having emergency supplies at home is essential, the most important place to keep supplies is in the car. A standard emergency supply kit can be purchased for around $80, but with proper instruction, people can assemble their own. Get Ready Marin, a county sponsored program that offers disaster preparedness training, recommends that a kit should contain supplies for around three days.
Skyler states that a standard supply kit should contain food bars, water pouches, a flashlight, a radio, batteries, emergency blankets, light sticks, body warmers, a whistle, toilet paper, trash bags, a pocket knife, dust masks, a safety vest, waterproof matches, gloves, pencils and paper, a First Aid guide, a First Aid kit, and a hygiene kit.


Each classroom at Redwood contains a class set of supplies equipped with food and water to last a class of thirty students for just one day.
According to Skyler, the most commonly forgotten supplies are the nonessential but important hygiene supplies.
Home emergency supply kits should be stored at the front or back of a house near a door, making it easy to grab while leaving the house. Since earthquakes are unpredictable, families are recommended to establish a safe meeting place to go to in case they become separated. According to Redwood’s assistant principal LaSandra White, the Redwood campus is a go-to place during a disaster. Earthquake proof building designs - only successful experiment from our original science curriculum. Amber has previously attended two different Lutheran schools that both used Saxon Math for 1st - 8th grades, to my initial dismay. Saxon Math is a spiral program that continues to work on topics well after the initial lesson. Amber has always done well in math, and with two parents with math related degrees (and my additional minor in applied mathematics), we expected her to be fairly competent in math. In comparison to how organized we are with Saxon Math, fifth grade science has been all over the place.
Elemental Science uses the classical style of education and has full year curriculum programs for the grammar and logic stages.
Here's a look at what you need to know about the shooting death of 17-year-old Trayvon Martin in February 2012. Maldives, Somalia, finally disasters stuck America and you still You did nothing and others did little. Damage to building structural elements, elevators, stairs, and fire protection systems caused by the shaking from a major earthquake can play a critical role in the spread of fire and hamper the ability of occupants to evacuate, and impede fire departments in their emergency response operations. Read about WPI's post-earthquake fire research in U-T San Diego, the daily paper covering the San Diego area; Listen to a report on the WPI study on San Diego PBS affiliate KPBS.
While the danger of widespread quake-related fires is well-known, much less is known about how earthquakes affect the ability of individual buildings to withstand fire or how building fires evolve and spread in the minutes and hours after a quake strikes, Meacham said.
To help close that knowledge gap, WPI spent last year participating in an unprecedented study of the effects of earthquakes and post-earthquake fires on a full-scale building. The building was outfitted with a working elevator, a full-size interior staircase, heating, ventilating and air conditioning system components, electrical equipment, fire protection systems, and a mock medical suite, intensive care unit, medical storage room, server room, and residential space. After the seismic testing was complete, the WPI team conducted a series of six live fire tests in four spaces on the third floor.
Structural damage on the second and third levels was significant; while the building didn't collapse, it had to be shored up to support gravity loading prior to the fire testing. Damage to the building's interior and exterior wall and ceiling systems created openings through which smoke and flames could spread; debris from the walls and ceilings became obstacles that would have hampered the evacuation of occupants or the movements of firefighters. A number of doors were unable to be opened or closed (open doors allow fire to spread; stuck doors can cut off escape routes or hinder the movements of first responders). Access to the upper floors was cut off when the staircase became detached from the landing and distortion of the elevator doors and frame on some levels made the elevator unusable. Most of the active and passive fire protection systems, including the sprinkler system, the heat-activated fire door, fire dampers, and fire stop materials, performed well. Read the complete report on the post-earthquake fire tests and learn more about this research project. These are buildings that, at least superficially, resemble many of the ones that sustained the most damage in the 1989 Loma Prieta earthquake. There is reportedly a plan circulating around City Hall to get the most dangerous buildings retrofitted by 2017 and have the rest completed by 2020. However, the non-profit investigative reporting media outlet came down on the side of the public's need to know.


In the event of an earthquake over a magnitude of 6.0, Highway 101 in Marin would suffer from liquefaction, causing it to collapse, similar to what happened to the Marina District in San Francisco during the 1906 quake. A 6.7 quake has a 31 percent chance of occurring on the Hayward Fault in the next 30 years, while the San Andreas Fault holds a probability of 21 percent. For each additional person that the kit must supply for, essential items like food and water should be doubled.
The USGS states that it is important that all family members know these meeting places so that in times of turmoil and disruption, families can find each other.
From an agreement between the district and the Red Cross, anyone in the area can come to the Redwood campus for supplies and a safe place to take shelter.
Each topic is cycled through the assignments every day for a short while after its introduction, and then less frequently for the remainder of the book. Unfortunately, her small Lutheran schools had no ability to accommodate children with accelerated math abilities. Pakistan, Iran, charity, Charities, Red Cross, Christian Children's Fund, United Way, Methodist, Episcopalian, Presbyterian, Orthodox Russian Greek, Catholic Charities, Catholicism, Baptist, Muslim, Hindu, Buddhist, Shinto, Naturalist, Atheist, Agnostic, Agnosticism, Mormon, Mormons, Temple, Church, Cathedral, Bible, Koran, Shinto, Islam, Good Samaritan, Children's Hospital, St. These are among the conclusions of a groundbreaking study of post-earthquake building fire performance conducted in 2012 by researchers in the Department of Fire Protection Engineering at Worcester Polytechnic Institute (WPI). Sponsored by the National Science Foundation and a host of industrial partners, and led by researchers at the University of California, San Diego (UCSD), the study centered on a five-story building constructed atop the world's first large outdoor, high-performance shake table, located at the Englekirk Structural Engineering Center at UCSD. The third floor was configured for fire testing, including complete partition walls and ceiling systems, firestop materials at joints and through partitions, a fire door, a fire sprinkler system, and a smoke detection system. After each simulated earthquake, Meacham and his student researchers entered the building to document the state of the active and passive fire systems and to conduct pressure tests to determine if the shaking compromised the integrity of the third-floor rooms, possibly creating openings that could allow smoke and flames to move between compartments. They ignited pans of heptane, a liquid fuel that burns hot enough to simulate a fully engaged compartment fire. During the fire tests, smoke and hot gasses entered the elevator shaft through the open doors, spreading smoke to other floors and raising temperatures to dangerous levels. If the Earth’s surface were to shake rapidly on loose soil, the field would split, creating a large divide. If the quake occurred from the San Andreas Fault, the shaking would be dramatically less than if the quake originated at the Hayward fault, which runs for about 74 miles along the Western base of the hills on the East side of the San Francisco Bay. The reason for this is because there hasn’t been a large quake on the Hayward in ages, so the tension is building. Additionally, missing more than 4 problems on a daily assignment earns Amber additional problems on the topic, unless they were all careless arithmetic errors. This initiative is based on the reality that "One Can Make a Difference." That means you and me! A principal focus of the study was the performance of critical facilities, including hospitals and data centers.
Using temperature probes and video cameras, the researchers assessed how damage from the simulated earthquakes affected the ability of the active and passive fire protection systems to contain fires and prevent the spread of smoke.
It all depends on her understanding and scores for the last 20 lessons of the current level.
Seriously, you'd think I'd have been able to fore go the package curriculum, considering I was in physics. I agonized over this decision for months, but it has turned out to be a good choice for her.
Again, Art Reed's newsletters are invaluable to me in making math placement decisions for Amber.



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