Monday, 30 September 2013

Disaster Planning - Prevention, Preparedness, Response, Recovery :: HS 01












DISASTER PLANNING

PREVENTION, PREPAREDNESS, RESPONSE, RECOVERY

INTRODUCTION:
At a time of global changes, the world is striving to face and adapt to inevitable, possibly profound, alteration. Widening of droughts in southern Europe and sub-Saharan Africa, an increasing number of natural disasters severe and more frequent flooding that could imperil low-lying islands and the crowded river deltas of southern Asia, are already taking place and climate change will cause additional environmental stresses and societal crises in regions already vulnerable to natural hazards, poverty and conflicts.
A state-of-art assessment of existing monitoring/early warning systems (EWS) organized according to type of environmental threats is presented below. This report will focus on: air quality, wild land fires, nuclear and chemical accidents, geological hazards (earthquakes, tsunamis, volcanic eruptions, landslides), hydro-meteorological hazards (desertification, droughts, floods, impact of climate variability, severe weather, storms, and tropical cyclones), epidemics and food insecurity. Current gaps and needs are identified with the goal of laying out guidelines for developing a global multi-hazard early warning system.
1.2. Definitions:
Disaster:
several definitions are frequently given to disaster. The World Health Organization (WHO) defines a disaster as “a sudden ecological phenomenon of sufficient magnitude to require external assistance”. It is also defined as any event, typically occurring suddenly, that causes damage, ecological disruption, loss of human life, deterioration of health and health services, and which exceeds the capacity of the affected community on a scale sufficient to require outside assistance (Landsman, 2001). It is an emergency of such severity and magnitude that the resultant combination of deaths, injuries, illness, and property damage cannot be effectively managed with routine procedures or resources. Disaster is further defined as an event in which a society or a community undergoes acute deprivation of food and other basic necessities due to natural and man made calamities to such an extent that the normal function of the society or the community is disrupted and that it cannot subsist without outside intervention

Emergency  is a state in which normal procedures are suspended and extra-ordinary measures are taken in order to avert a disaster. An emergency can be defined in the context of the social, political and epidemiological circumstances in which it occurs.

Hazard  is a rare or extreme event in the natural or human made environment that adversely affects human life, property or activity to the extent of causing a disaster. It is essential to make a distinction between hazards and disasters, and to recognize that the effect of the former upon the latter is essentially a measure of the society’s vulnerability.

Mitigation: is permanent reduction of the risk of a disaster. Primary mitigation refers to reducing the resistance of the hazard and reducing vulnerability. Secondary mitigation refers to reducing the effects of the hazard (preparedness). Mitigation includes recognizing that disasters will occur; attempts are made to reduce the harmful effects of a disaster, and to limit their impact on human suffering and economic assets.

Prevention is defined as those activities taken to prevent a natural phenomenon or potential hazard from having harmful effects on either people or economic assets. Prevention planning is based on two issues: hazard identification (identifying the actual threats facing a community) and vulnerability assessment (evaluating the risk and capacity of a community to handle the consequences of the disaster).

Preparedness: Are the measures that ensure the organized mobilization of personnel, funds, equipments, and supplies within a safe environment for effective relief.. Its measures include inter alia, availability of food reserve, emergency reserve fund, seed reserve, health facilities, warning systems, logistical infrastructure, relief manual, and shelves of projects

Reconstruction: the full resumption of socio-economic activities plus preventive measures.

Rehabilitation: is the restoration of basic social functions.

Resilience: is adaptability, capacity to recover.

Response: is the set of activities implemented after the impact of a disaster in order to assess the needs, reduce the suffering, limit the spread and the consequences of the disaster, open the way to rehabilitation.

Risk is the expected losses (lives lost, persons injured, damages to property and disruption of economic activity) due to a particular hazard. Risk is the product of hazard and vulnerability. Risk is the probability that a person will experience an event in a specified period of time.

Risk = hazard x vulnerability.

Risk is the probability of being affected by the unwanted consequences of a hazard. It combines the level of hazard and degree of vulnerability.

Risk assessment is a term used widely for a systematic approach to characterizing the risks posed to individuals and populations by potentially adverse exposures.

Susceptibility: is exposure to danger.

Vulnerability: is the degree of loss resulting from a potentially damaging phenomenon. It is the susceptibility of a population to specific type of event. Vulnerability is also associated with the degree of possible or potential loss from a risk that results from a hazard at a given intensity. The factors that influence intensity include demographics, the age, and resilience of the environment, technology, social differentiation and diversity as well as regional and global economics and politics.










EARLY WARNING

Early warning (EW) is “the provision of timely and effective information, through identified institutions, that allows individuals exposed to hazard to take action to avoid or reduce their risk and prepare for effective response.”, and is the integration of four main elements, (from International Strategy for Disaster Reduction (ISDR), United Nations (UN), 2006)  
Risk Knowledge, Disseminating Information, Monitoring and Predicting, Response: Failure of any part of the system will imply failure of the whole system



TYPES OF DISASTERS
Disasters are broadly divided into two types comprising natural and manmade (technological) disasters. There is also other basis by which disasters can be categorized which has been mentioned later in this section.

NATURAL DISASTERS
Natural disasters occur as the result of action of the natural forces and tend to be accepted as unfortunate, but inevitable. The natural disasters result from forces of climate and geology. Natural disasters are perhaps the most “unexpected” and costly overall in terms of loss of human lives and resources. In the last few years, natural disasters have claimed 100,000 lives costing above 140 billion US dollars. During the 1980s, more than 700,000 people lost their lives as a direct result of severe weather, including floods and droughts. Natural disasters can be categorized as “acute” or “slow” in their onset Natural disasters with acute onsets include events such as earthquake, flood, hurricane, cyclone or typhoon, tornado, fire, tsunami or storm surge, avalanche, volcanic eruption, extreme cold or blizzard, and heat wave. Natural hazards with slow or gradual onset include drought, famine, desertification, deforestation, and pest infestation.
ECONOMIC LOSSES DUE TO NATURAL DISASTERS 1960-2000    
Natural disasters can have significant economic and food security impacts, especially on the poorest households. In the last three decades, there has been a clear increase in the number of natural hazard events, the size of affected populations and the extent of economic losses. Several million victims have suffered homelessness, disaster induced ill health, severe economic losses and personal tragedies. Direct economic losses increased five times in the 1990s and are mostly concentrated in the developed countries.  
FLOODS
Magnitude: Global statistics show that floods are the most frequently recorded destructive events, accounting for about 30% of the world’s disasters each year. The frequency of floods is increasing faster than any type of disaster.



IMPACT

Flood effects can be local, impacting a neighborhood or community, or very large, affecting entire river basins and multiple communities.  Except for flash floods, flooding causes few deaths. Widespread and long-lasting detrimental effects include mass homelessness, disruption of communications and health care systems, and heavy loss of business, livestock, crops, and grain, particularly in densely populated, low lying areas like that of the Awash Valley
                                                                                                                                                                           LIFE-THREATENING CHARACTERISTICS OF FLOODS:
Absence of warning of a flood (either ‘official’ warning or warning derived from cues e.g. heavy rain). High floodwater velocities (like in hilly or mountainous terrain or where stream disgorge on to plains from upland areas; in river valleys with steep gradients; in areas behind floods embankments or natural barriers which may breach or overtop, below dams which may break). Rapid speed of flood onset (like in areas when streams are ‘flashy’ i.e. rise and fall rapidly; these are usually urban areas or arid rural areas where soil surface becomes compacted and hard; or in areas where high floodwater.
MANAGEMENT/ PROTECTIVE MEASURES

Before a Flood,

you should:
• Avoid building in a floodplain unless you elevate and reinforce your home.
• Elevate the furnace, water heater, and electric panel if susceptible to flooding.
• Construct barriers (levees, beams, floodwalls) to stop floodwater from entering the building.
• Learning swimming skill is helpful.

DURING A FLOOD

If a flood is likely in your area, you should
  Listen to the radio or television for information.
• Be aware of streams, drainage channels, canyons, and other areas known to flood suddenly. Flash floods can occur in these areas with or without such typical warnings as rain clouds or heavy rain.
If you must prepare to evacuate, you should do the following:
• Do not walk through moving water. Six inches of moving water can make you fall. If you have to walk in water, walk where the water is not moving. Use a stick to check the firmness of the ground in front of you.
• Do not drive into flooded areas. If flood-waters rise around your car, abandon the car and move to higher ground if you can do so safely.


AFTER A FLOOD:

The following are guidelines for the period following a flood:
• Listen for news reports to learn whether the community’s water supply is safe to drink.
• Be aware of areas where floodwaters have receded. Roads may have weakened and could collapse under the weight of a car.
• Return home only when authorities indicate it is safe.
• Stay out of any building if it is surrounded by floodwaters 

TSUNAMIS:
Tsunamis (pronounced soo-nĂ¡-mees), also known as seismic sea waves (mistakenly called “tidal waves”), are a series of enormous waves created by an underwater disturbance such as an earthquake, landslide, volcanic eruption, or meteorite. A tsunami can move hundreds of miles per hour in the open ocean and smash into land with waves as high as 100 feet or more.



PROTECTIVE MEASURES

Guidelines for what you should do if a tsunami is likely in your area:
• Turn on your radio to learn if there is a tsunami warning
• Move inland to higher ground immediately and stay there.
• If there is noticeable recession in water away from the shoreline this is nature's tsunami warning and it should be heeded. You should move away immediately                             
  Guidelines for the period following a tsunami:
• Stay away from flooded and damaged areas until officials say it is safe to return.
• Stay away from debris in the water; it may pose a safety hazard to boats and people.


EARTHQUAKES

Earthquakes are sudden slippages or movements in a portion of the earth's crust accompanied by a series of vibrations. Aftershocks of similar or lesser intensity can follow the main quake


Before an Earthquake:
• Repair defective electrical wiring, leaky gas cylinders, and inflexible utility connections.
• Anchor overhead lighting fixtures.
• Resistant to breakage.
• Hold earthquake drills with your family members: Drop,cover&holdon

DURING AN EARTHQUAKE:
minimize your movements during an earthquake to a few steps to a nearby safe place. Stay indoors until the shaking has stopped and you are sure exiting is safe.
 If you are indoor:
• Take cover under a sturdy desk, table, or bench or against an inside wall, and hold on. If there isn’t a table or desk near you, cover your face and head with your arms and crouch in an inside corner of the building.• Stay in bed - if you are there when the earthquake strikes - hold on and protect your head with a pillow, unless you are under a heavy light fixture that could fall. In that case, move to the nearest safe place.
.• DO NOT use elevators.

If you are Outdoors:
• Move away from buildings, streetlights, and utility wires.
 If you are In a moving vehicle:
• Stop as quickly as safety permits and stay in the vehicle. Avoid stopping near or under buildings, trees, overpasses, and utility wires.
• Proceed cautiously once the earthquake has stopped, watching for road and bridge damage.
 If you are trapped under debris:
• Do not light a match. Do not move about or kick up dust.
• Cover your mouth with a handkerchief or clothing.


DISASTER PLAN
This usually involves four phases :
1. Prevention
2. Preparedness
3. Response
4. Recovery
The following guide to producing a disaster plan outlines recommended action in all four phases, but
prevention is the best protection against disaster, natural or man-made.

PREVENTION
Identify and minimize the risks posed by the building, its equipment and fittings, and the natural hazards of the area.
• Carry out a building inspection and alter factors which constitute a potential hazard.
• Establish routine housekeeping and maintenance measures to withstand disaster in buildings and surrounding areas.
• Install automatic fire detection and extinguishing systems, and water-sensing alarms.
.• Protect computers and data through provision of uninterrupted power supply.
• Have comprehensive insurance for the library or archives, its contents, the cost of salvage
operations, and potential replacement, re-binding and restoration of damaged materials.



PREPAREDNESS
Getting ready to cope.
• Develop a written preparedness, response and recovery plan.
• Keep the plan up-to-date, and test it.
• Keep together supplies and equipment required in a disaster and maintain them.
• Prepare and keep an up-to-date set of documentation including :
·         List of names, addresses and home telephone numbers of trained conservators with experience in salvaging water-damaged materials, resource organisations, and other facilities able to offer support in the event of a disaster.
·          List of disaster control services, in-house supplies and equipment, and in any central store,including locations and names of contacts with home telephone numbers
·          List of suppliers of services and sources of additional equipment and supplies, including names of contacts and home telephone numbers.
·         Copies of insurance policies.
.• Distribute the plan and documentation to appropriate locations on- and off-site.

RESPONSE
When disaster strikes.
• Follow established emergency procedures for raising the alarm, evacuating personnel and making the disaster site safe
• Contact the leader of the disaster response team to direct and brief the trained salvage personnel
• When permission is given to re-enter the site, make a preliminary assessment of the extent of the damage, and the equipment, supplies and services required..
• Transport water-damaged items to the nearest available freezing facility.

RECOVERY
Getting back to normal.
• Establish a programme to restore both the disaster site and the damaged materials to a stable and
usable condition.
• Determine priorities for restoration work and seek the advice of a conservator as to the best
methods and options, and obtain cost estimates.
• Contact insurers.
• Clean and rehabilitate the disaster site.
• Replace treated material in the refurbished site.
• Analyse the disaster and improve the plan in the light of experience.
·         Take advantage of educational sessions, particularly disaster planning workshops and preparedness exercises.Seek expert advice and help from the preservation offices of national and large research libraries


SAFETY MEASURES TO BE TAKEN TO MINIMIZE THE LOSS OF DISASTER:

·         Notify a neighbor, friend or the local authorities of your new address.
·         Turn off power, water and gas and take your mobile phone.
·         Pack warm clothing, essential medication, valuables and sentimental items in waterproof bags, to be taken with your emergency kit.
·         Move furniture, clothing and valuables onto beds, tables (electrical items highest).

·         Lock your home and take recommended evacuation routes for your area.
·         Don't drive through flooded ground.
·         Stay tuned to local radio for updated advice.
·         in flood water until checked for safety.
·         Before the cyclone season, check with your local council if your home has been built to cyclone standards.
·         In case of a storm warning or other flooding, know your nearest safe high ground and the safest access route to it.
·         Prepare an emergency kit to take with you and keep a list of emergency numbers on display.
·         When a cyclone watch is issued, fill your car's fuel tank. Ensure that your family members know which is the strongest part of your house.
·         Listen continuously to your local radio/TV for further warnings.
·         Stay indoors (unless you are asked to evacuate) in the strongest part of the building, i.e. cellar, internal hallway or bathroom. Keep evacuation and emergency kits with you.
·         Protect yourself with mattresses, rugs or blankets under a strong table or bench if the building starts to break up.
·         The previously mentioned disaster kitfrom 72hours.org is a must-have. Offered up by the City of San Francisco, the 72hours guide can help you prepare for any type of disaster, and has special tips if you have children, are disabled, are a senior citizen, have pets, and more.
  • Understand the difference between a tornado watch and a tornado warning. A tornado watch means the conditions are right for a tornado to develop. A tornado warning means one has been sighted and you should seek shelter immediately.P
·         Give your home an earthquake checkup. Check for hazards, fasten shelves to wall studs, and store breakables and poisons in cabinets that latch shut so they won't fall out and onto someone in an earthquake. Make any structural repairs to the walls or foundation that are necessary.



·         Practice drills with your family (or coworkers.) Know where the utility shut-off switches are in the house, and time yourself getting from your bedroom out of the house to a safe location. Time yourself doing the same again, but shutting off utilities and grabbing your go bag, documents
·         After an earthquake has passed, don't immediately assume the danger is gone. In some cases, damaged structures can fall well after the shaking has stopped, or there may be other hazards in or around your home or office to deal with
·         If you're trapped under debris, make as much noise as possible so emergency services can get to you. Tap on pipes, whistle, shout—just make sure not to inhale dust or debris that may be around you. Cover your mouth with clothing to filter out some of the dust
·         Once you're safe, administer first aid to those who need it, and listen to the radio—preferably emergency broadcasts—for more information. Be prepared to move to higher ground if you live on the coast and the earthquake may have triggered a tsunami. If you think your home is damaged, call the appropriate service provider to inspect it properly
·         During: Monitor Emergency Radio, Be Ready to Move Quickly
·         If you're driving, do not pass through standing water, or water where you cannot see the bottom. Six inches of water will reach the bottom of most cars, causing control issues. If that water gets into the engine, your car will stall. Six inches is all it takes. A foot is enough to float a car or truck. Two feet will carry almost any vehicle off, including SUVs. Don't be deceived by what looks like a little water either—the road underneath may have washed away, making it deeper than it appears, especially at night. Don't risk your vehicle or your life. Pull over, drive around, or get out and get to higher ground’s
·         If there is any possibility of a flash flood, or you think a tsunami is imminent get to higher ground immediately. Don't wait for instructions or an official warning—just get your go-bag, important documents, family members, and go as soon as possible. "Trust your instincts and take action," Dr. Bradley explains. If an actual flood warning has been issued, do the same and evacuate for higher ground immediately. Make sure you know the difference between watch’s

Home fires are deadly, killing thousands every year in the United States alone—and they're almost always preventable. Still, while prevention is key, it's what you do in the middle of a fire that may save your life. Unlike other disasters that give you warning and time to get away, a fire isn't nearly as forgiving. Here's how to prepare, and what to do. 

·         Make sure you can open windows, screens, security bars, and doors. You and everyone in your household should be comfortable opening security bars on windows, screen doors, anything that might slow down your egress from a burning building’s
·         Make sure you have smoke alarms installed and you change their batteries regularly. Dual-sensor smoke detectors are best, as they feature both ionization and photoelectric smoke sensors. If they're wired to the power in your home, that's best, but they should also have battery backups
·         Keep household fire extinguishers handy. If the fire is serious, do not try putting it out yourself. A household extinguisher can help keep a small fire from spreading, or help you clear a path to a safe area, but they're not for heroics. I like to keep one in my bedroom and another in the kitchen in my apartment.

·          
·         Get to the nearest exit immediately. If there's smoke in the air, get as low as possible where you may be able to breathe and feel your way out. If there's smoke blocking your door, open the window. Before opening any door, feel the doorknob and the door body. If it's warm or there's smoke coming in from the other side, don't open the door—there may be a raging fire on the other side. Use your second exit, even if it's a window. If you have to open a door, open it slowly and be ready to shut it if smoke comes






CONCLUSION:
Here are the main information about the disasters and mainly preventive measures to be followed must in our day life to reduce minimal loss of INFRASTRUCTURE,COMMUNICATION AND TRANSPORT……….







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