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smsenergy * Blog * Concrete Layout Software * Download Free Software Drivers * Eminem Slim Shady Lp 320 Download Zip Sharebeast * Powershell Form Designer Freeware Download * more... * Blog * Concrete Layout Software * Download Free Software Drivers * Eminem Slim Shady Lp 320 Download Zip Sharebeast * Powershell Form Designer Freeware Download * Eminem Slim Shady Lp 320 Download Zip Sharebeast * Powershell Form Designer Freeware Download DISTANCE MY DEMONS RAREST 12/14/2019 Listen to juvenile 400 degreez. Download Juvenile - 400 Degreez [Full Album] [1998] free mp3, listen and download, Juvenile - 400 Degreez [Full Album] [1998] song download. Download 400 DEGREEZ by JUVENILE free. #1 rated music site. 6.5 Million songs. Get lyrics ♫ music videos for your iPhone®. Read More BESANKO 2ND EDITION MICROECONOMICS NEWS 12/14/2019 * 55 Dsl * 2nd Edition Microeconomics Each chapter opens with an example to draw readers into the topic. DAVID BESANKO is the Alvin J. Huss Distinguished Professor of Management and Strategy at the Kellogg School of Management at Northwestern University. He received his AB in Political Science from Ohio University in 1977, his MS in Managerial Economics and Decision Sciences from Northwestern University in 1982. Before joining the Kellogg faculty in 1991, Professor Besanko was a member of the faculty of the School of Business at Indiana University from 1982 to 1991. In addition, in 1985, he held a post-doctorate position on the Economics Staff at Bell Communications Research. Professor Besanko teaches courses in the fields of Management and Strategy, Competitive Strategy, and Managerial Economics. In 1995, the graduating class at Kellogg awarded Professor Besanko the L.G. Lavengood Professor of the Year, the highest teaching honor a faculty member at Kellogg can receive. BRAEUTIGAM is the Harvey Kapnick Professor of Business Institutions in the Department of Economics at Northwestern University. He is Associate Dean for Undergraduate Studies in the Weinberg College of Arts and Sciences. He received a BS in Petroleum Engineering from the University of Tulsa in 1970 and then attended Stanford University and the California Institute of Technology, and he has also held an appointment as a Senior Research Fellow at the Wissenschaftszentrum Berlin (Science Center Berlin). He has also worked in both government and industry, beginning his career as a petroleum engineer with Standard Oil of Indiana (now BP), serving as research economist in The White House office of Telecommunications Policy, and as an economic consultant to Congress, many government agencies and private firms on matters of pricing, costing, managerial strategy, antitrust, and regulation. INTRODUCTION TO MICROECONOMICS.CHAPTER 1.A ANALYZING ECONOMIC PROBLEMS.Is the New Economy Really New?1.1 Why Study Microeconomics?1.2 Three Key Analytical Tools.Constrained Optimization.Equilibrium Analysis.Comparative Statics.1.3 Positive and Normative Analysis.LEARNING-BY-DOING EXERCISES.1.1 Constrained Optimization: The Farmera s Fence.1.2 Constrained Optimization: Consumer Choice.1.3 Comparative Statics with Market Equilibrium in the U.S. 55 DSL . Aland Islands. Albania. Andorra. Armenia. Austria. Azerbaijan. Belarus. Belgium. Bosnia and Herzegovina. Bulgaria. Croatia. Cyprus. Czech Republic. Denmark. Estonia. Finland. France. Georgia. Germany. Gibraltar. Greece. Greenland. Holy See (Vatican City State). 2ND EDITION MICROECONOMICS Hungary. Iceland. Ireland. Italy. Latvia. Liechtenstein. Lithuania. Luxembourg. Macedonia. Malta. Moldova. Monaco. Montenegro. Netherlands. Norway. Poland. Portugal. Romania. Russia. Serbia. Slovakia. Slovenia. Spain. Sweden. Switzerland. Turkey. Ukraine. United Kingdom. American Samoa. Australia. Bangladesh. Bhutan. British Indian Ocean Territory. Brunei. Norton Anti Virus 2007(Product Key+Activati…. Cambodia. China. Christmas Island. Cocos (Keeling) Islands. Cook Islands. Fiji. Guam. India. Indonesia. Japan. Kazakhstan. Korea (the Republic of). Kyrgyzstan. Laos. Malaysia. Maldives. Mongolia. Myanmar. Nepal. New Zealand. Pakistan. Papua New Guinea. Philippines. Samoa. Singapore. Solomon Islands. Sri Lanka. Tajikistan. Thailand. Timor-Leste. Tonga. Turkmenistan. Uzbekistan. Vanuatu. Vietnam. Description Microeconomics, 5 th Edition gives students the most effective approach for learning microeconomic tools and concepts. This text provides an accessible, integrated structure with numerous practice problems, exercises, and engaging applications. Worked-out Learning-by-Doing problems, mathematical and graphical data, and verbal explanations enable business and economics majors to recognize significant data, patterns, and trends. Microeconomics, 5 th Edition is also available as a Wiley E-Text: Powered by VitalSource enhanced with dynamic content to further enrich student learning. About the Author DAVID BESANKO is the Alvin J. Huss Distinguished Professor of Management and Strategy at the Kellogg School of Management at Northwestern University. He received his AB in Political Science from Ohio University in 1977, his MS in Managerial Economics and Decision Sciences from Northwestern University in 1982. Before joining the Kellogg faculty in 1991, Professor Besanko was a member of the faculty of the School of Business at Indiana University from 1982 to 1991. In addition, in 1985, he held a post-doctorate position on the Economics Staff at Bell Communications Research. Professor Besanko teaches courses in the fields of Management and Strategy, Competitive Strategy, and Managerial Economics. In 1995, the graduating class at Kellogg awarded Professor Besanko the L.G. Lavengood Professor of the Year, the highest teaching honor a faculty member at Kellogg can receive. BRAEUTIGAM is the Harvey Kapnick Professor of Business Institutions in the Department of Economics at Northwestern University. He is Associate Dean for Undergraduate Studies in the Weinberg College of Arts and Sciences. He received a BS in Petroleum Engineering from the University of Tulsa in 1970 and then attended Stanford University and the California Institute of Technology, and he has also held an appointment as a Senior Research Fellow at the Wissenschaftszentrum Berlin (Science Center Berlin). He has also worked in both government and industry, beginning his career as a petroleum engineer with Standard Oil of Indiana (now BP), serving as research economist in The White House office of Telecommunications Policy, and as an economic consultant to Congress, many government agencies and private firms on matters of pricing, costing, managerial strategy, antitrust, and regulation. This book is also available as a Wiley E-Text: Powered by VitalSource enhanced with dynamic content such as embedded quizzes, audio-enhanced graphics, interactive charts and graphs, and clickable images. New applications with a focus on current events such as health care reform in the U.S., the collapse of AIG, parking meter privatization in Chicago, and the bailout of the Parmesan cheese industry in Italy. New content on pay for performance has been added to Chapter 15 and on contrasting emissions fees, emission standards, and tradable permits to Chapter 17. This book is also available as a Wiley E-Text: Powered by VitalSource enhanced with dynamic content such as embedded quizzes, audio-enhanced graphics, interactive charts and graphs, and clickable images. Custom Content allows instructors to customize this textbook with Hot Topic modules, Darden cases, and other content from Wiley’s Professional Development titles. Learning By Doing Exercises, one of the key features of the text, will now be presented in a more interactive format directly in-line with the e-textbook. End-of-Chapter Problems will be available through Respondus to provide more integration with a variety of different LMSs. Read More SHIVPRASAD KOIRALA EBOOK PDF ELEMENTARY 12/14/2019 Name: Sql Server Interview Questions By Shivprasad Koirala Pdf Download Sql Server Interview Questions By Shivprasad Koirala Pdf Download is a decent choice for a free app. Unfortunately, many features that one would expect to work, such as scanning for little-used files and memory boost, are not available without the full version. The software comes free of charge and employs an intuitive mode of Sql Server Interview Questions By Shivprasad Koirala Pdf Downloadtion: dragging and dropping images on top of the app’s icon in order to initiate the thumbnail generation. Any options you set will be associated with that particular profile and you may recall it at any time by selecting it from the menu. Sql Server Interview Questions By Shivprasad Koirala Pdf Download for Mac offers a helpful subscription-based tool that is ideal for those who want to closely track multiple sites at one time. With an easy ergonomic interface, painless installation, and extremely rapid conversion rates, Sql Server Interview Questions By Shivprasad Koirala Pdf Download for Mac enables users to effortlessly change media files to other file types with no more than a few clicks of the mouse. Solve puzzles to earn coins and work your way up to more and more challenging levels. Read More PROGRAM DE REPARAT ERORI DIN WINDOWS 12/14/2019 . All of the features of Windows 10 Home plus. Get built-in protection from current and future security threats – at no extra cost with BitLocker, Windows Defender Antivirus and more. Access all your files, folders and apps from virtually anywhere on any device with remote desktop. Deferred updates so you can decide when and how to update your devices. Connect to your school, business, or corporate network via the cloud with Azure Active Directory. Create and run virtual machines with Hyper-V 3. Read More BUILDING CONSTRUCTION TYPES FIRE 12/10/2019 1. Ifsta Building Construction Types 2. Building Construction Types Fire Note: In addition to how the building type affects fire behavior and ventilation, fire code requirements drive many building features that affect ladder company tactics. Specifically, many municipalities follow Universal Building Code and NFPA 101 as it relates to building code provisions. Let’s now address what ladder crews should know about each building type. Type 1: Fire-Resistive Type 1 structures are high-rises, and they’re the stoutest of all construction types when exposed to fire. High-rises are usually defined as buildings more than 75 feet tall, with some agencies making amendments for buildings that are 35–55 feet tall. Native Advertisement Type 1 structures are constructed of concrete and protected steel (steel coated with a fire-resistant material, most often a concrete mixture), and are designed to hold fire for an extended amount of time in order to keep the fire at bay in the room and/or floor of origin. As far as the typical ventilation operation of getting on the roof and cutting a hole, that’s not really an option when dealing with Type 1 construction. Even horizontal ventilation becomes challenging, as the windows are thick, tempered glass and may not be an efficient way to ventilate the structure. Ladder companies must be aggressive in securing the stairwells for both firefighters and victims evacuating the structure. If the structure meets building code, it will be equipped with self-pressurizing stairwells and have HVAC systems that will aid in air movement. If necessary, the ladder company may need to mechanically pressurize the stairwells using a series of fans strategically placed at the base of the stairwell and every 10–12 floors depending on the effectiveness of the fans. The fire protection and fire-related systems in these buildings are overwhelming, so crews should make it a priority to locate a maintenance worker and keep them close throughout the incident. Type 1 structures are easy to identify on height alone. It’s important for firefighters to know their city’s building codes, as this may affect which features are found inside the structures. Ladder crews should frequent Type 1 buildings in their area and be familiar with the systems that they may encounter (elevators, HVAC, fire pumps, etc). Finally, they must not forget to maintain good working relationships with the maintenance workers at these buildings. Type 2: Non-Combustible Type 2 construction is typically found in new buildings and remodels of commercial structures. The walls and roofs are constructed of non-combustible materials. Specifically, walls are usually reinforced masonry or tilt slab, while roofs have metal structural members and decking. The top of these roofs are often covered with lightweight concrete, foam, an insulated membrane or a combination of these materials. Because most of these buildings are newer builds, they’re usually up to code and include fire suppression systems. And because metal roofs may fail with heat—not just from direct fire—expect early collapse, especially in some of the bigger buildings that have a substantial fire load. Firefighters should suspect Type 2 construction in newer commercial structures (both big box buildings and strip malls). A good habit to practice: sounding the walls to determine whether they’re made of a combustible material. When on the roof, ladder crews should cut an inspection hole to identify the decking material. Once a metal roof has been confirmed, the rooftop crew should consider opening skylights or resorting to natural ventilation in the form of large roll-up doors that are often found in the rear of the big-box structures. Common ventilation tools (chainsaws and circular saws) may simply not be efficient enough for cutting large holes on the roof to support ventilation for interior crews, as a circular saw will often cut through only small areas of metal and “gum up” with insulation, or the blade will wear out quickly. Type 3: Ordinary Type 3 buildings can be of either new or old construction, and they have non-combustible walls and a wood roof. Older construction buildings may consist of unreinforced masonry and have a conventionally framed roof, while newer buildings will have lightweight roof systems supported by reinforced masonry or tilt slab. The most common types of roof systems in a commercial setting of Type 3 construction include parallel cord truss and panelized roof systems. To identify if a building is of an older style, firefighters should look for clues, such as collar ties, king’s rows and arched lintels. If operating on one of these buildings, firefighters should be suspect of conventionally framed materials that may be weathered, built-up roofs or roof-on-top-of-roof systems. If it is determined that the roof is tenable, a ladder company should be able to effectively use chainsaws to ventilate the building and make the appropriate cuts based on the type of roof system. If approaching a building with no signs of unreinforced masonry, firefighters should sound the walls to determine wall type before going to the roof. Once on top, they should be able to identify the roof system and make an aggressive ventilation operation using saws. Newer construction uses truss systems in both panelized and parallel cord truss roof types that are known to fail rapidly and unexpectedly with direct fire impingement. As such, ladder companies should sacrifice some property for time and make vent holes over smoke, not fire. Whether conventional or lightweight, vertical ventilation on Type 3 construction is feasible and can be very effective. But safety is paramount; crews should always remain on ledger walls or structural members. Sounding and diagnostic cuts are effective ways to not only ensure the location of the structural members but also to allow the ventilation crew to monitor the roof conditions and act accordingly. Type 4: Heavy Timber Type 4 construction is found in older buildings and utilizes large dimensional lumber for structural members and interior elements. These buildings hold up well under fire conditions, but it’s critical that firefighters not feel a false sense of security, as these buildings are often poorly maintained, or have termites and/or weathering issues that can contribute to an earlier-than-expected collapse. Firefighters can identify these buildings by the large lumber used for walls and the long distance of roof spans. These buildings were most commonly built before 1960, when bolts and metal plates were used as connectors. Vertical ventilation may be achieved on these buildings, but sawyers may encounter thicker-than-expected decking that may make for a longer completion of a ventilation hole. Type 5: Wood-Framed Type 5 construction is found in many modern homes. The walls and roofs are made of combustible materials—most commonly wood. If the walls are wood-framed, the roof usually is as well. Rooftops are ceramic tile or asphalt shingles placed over lightweight trusses and OSB. Both UL and NIST studies have found that lightweight construction will fail within minutes of direct fire impingement. Firefighters should sound the walls prior to going to the rooftop. Whether operating on tile or asphalt rooftops, alternatives to rooftop ventilation should be considered if there is heavy attic involvement. If fire is isolated to a room, flashover (not collapse) is the main concern, and aggressive ventilation is beneficial. Because the roofs are made of wood, ventilation can occur through the asphalt shingles, but tiles should be removed first if encountered. Positive-pressure attack is another tool that may prove beneficial for Type 5 construction. In Sum Building construction types are truly the building blocks of how we operate on the fireground. By breaking structures into the five different building types, we can see the similarities and differences among them, and which factors influence how we ventilate different structures. Also, one of the biggest hurdles to combat on the fireground is communication. If your ladder company can’t operate on the roof, the reason why should be immediately communicated to the rest of the fireground. The ability to ventilate (or not ventilate) a structure often drives the outcome of the fire attack. If ladder companies are unable to operate on top of the fire building due to collapse potential or inability to ventilate, then the incident commander will need to determine if interior crews should be operating inside the building at all. Randy Frassetto has worked for the City of Surprise (Ariz.) Fire Department since 2001 and was promoted to captain in 2005. Surprise Fire is part of the Northwest Valley Firefighters Local 4361. Frassetto has been assigned to Ladder Company 305 for most of his career and he chairs the Arizona Ladder Operations Cadre, which represents most fire departments/districts in the state. This Ladder Cadre was developed to standardize ladder work and further training and research as it pertains to ladder company operations in the state. Frassetto is a member of the IAFC. Symons. Non-Returnable - This textbook matches the course outline and objectives identified by the National Fire Academy's Fire and Emergency Services Higher Education (FESHE) committee for the Building Construction for Fire Protection core course. This new 3rd edition provides the reader with basic instruction about how buildings are designed and constructed and how this relates to emergency operations. In addition to basic construction principles, a new emphasis is placed on firefighter safety, newer types of construction that may be difficult to identify, and green construction principles. This edition is illustrated with new drawings and photos, case histories that emphasize real-life safety principles, key terms, and review questions. Fire inspectors, preincident planners, fireground commanders, investigators, and firefighters will all find useful and valuable information in this new edition. – Designed to help students learn the key terms found in IFSTA's Building Construction Related to the Fire Service, 3rd edition. Compatible with iPhone, iPod touch and iPad. Non-Returnable - This textbook matches the course outline and objectives identified by the National Fire Academy's Fire and Emergency Services Higher Education (FESHE) committee for the Building Construction for Fire Protection core course. This new 3rd edition provides the reader with basic instruction about how buildings are designed and constructed and how this relates to emergency operations. In addition to basic construction principles, a new emphasis is placed on firefighter safety, newer types of construction that may be difficult to identify, and green construction principles. This edition is illustrated with new drawings and photos, case histories that emphasize real-life safety principles, key terms, and review questions. Print and keep your own instructions for all our models. 6 Sep 2011 The Open Source Steam Engine has not been prototyped or tested yet. As such, there is no user manual at this time. Retrieved from 14 Oct 2015 Follow the links below to view instructions for all our Mamod products. Wine Storage. Blow the authentic Steam locomotive Whistle for short or long Sheet or follow instructions in CV 17 and CV 18 in the Quantum. Fire inspectors, preincident planners, fireground commanders, investigators, and firefighters will all find useful and valuable information in this new edition. – Designed to help students learn the key terms found in IFSTA's Building Construction Related to the Fire Service, 3rd edition. Compatible with iPhone, iPod touch and iPad. Sometime early in a firefighter’s career—usually as part of fire school—building construction is touted to be one of the most important things firefighters should be aware of in their new trade. They learn how to date a building, predict collapse tendencies and patterns, determine fire severity from smoke factors and, as this article addresses, how to best ventilate the structure. Buildings are broken down into five categories (Types 1–5), ranging from the stoutest of construction to that which will most likely fail rapidly when under fire conditions. Each building type has specific characteristics that ladder companies must be familiar with so that they are able to ventilate the building in the safest and most efficient way possible. A building is best identified during preplanning, but there are distinct features that will help firefighters identify the building type as they pull up on scene. There are also several diagnostic techniques that ladder companies can use when they’re up close and personal with a building. Note: In addition to how the building type affects fire behavior and ventilation, fire code requirements drive many building features that affect ladder company tactics. Specifically, many municipalities follow Universal Building Code and NFPA 101 as it relates to building code provisions. Let’s now address what ladder crews should know about each building type. Type 1: Fire-Resistive Type 1 structures are high-rises, and they’re the stoutest of all construction types when exposed to fire. High-rises are usually defined as buildings more than 75 feet tall, with some agencies making amendments for buildings that are 35–55 feet tall. Native Advertisement Type 1 structures are constructed of concrete and protected steel (steel coated with a fire-resistant material, most often a concrete mixture), and are designed to hold fire for an extended amount of time in order to keep the fire at bay in the room and/or floor of origin. As far as the typical ventilation operation of getting on the roof and cutting a hole, that’s not really an option when dealing with Type 1 construction. Even horizontal ventilation becomes challenging, as the windows are thick, tempered glass and may not be an efficient way to ventilate the structure. Ladder companies must be aggressive in securing the stairwells for both firefighters and victims evacuating the structure. If the structure meets building code, it will be equipped with self-pressurizing stairwells and have HVAC systems that will aid in air movement. If necessary, the ladder company may need to mechanically pressurize the stairwells using a series of fans strategically placed at the base of the stairwell and every 10–12 floors depending on the effectiveness of the fans. The fire protection and fire-related systems in these buildings are overwhelming, so crews should make it a priority to locate a maintenance worker and keep them close throughout the incident. Type 1 structures are easy to identify on height alone. It’s important for firefighters to know their city’s building codes, as this may affect which features are found inside the structures. Ladder crews should frequent Type 1 buildings in their area and be familiar with the systems that they may encounter (elevators, HVAC, fire pumps, etc). Finally, they must not forget to maintain good working relationships with the maintenance workers at these buildings. Type 2: Non-Combustible Type 2 construction is typically found in new buildings and remodels of commercial structures. The walls and roofs are constructed of non-combustible materials. Specifically, walls are usually reinforced masonry or tilt slab, while roofs have metal structural members and decking. The top of these roofs are often covered with lightweight concrete, foam, an insulated membrane or a combination of these materials. Because most of these buildings are newer builds, they’re usually up to code and include fire suppression systems. And because metal roofs may fail with heat—not just from direct fire—expect early collapse, especially in some of the bigger buildings that have a substantial fire load. Firefighters should suspect Type 2 construction in newer commercial structures (both big box buildings and strip malls). A good habit to practice: sounding the walls to determine whether they’re made of a combustible material. When on the roof, ladder crews should cut an inspection hole to identify the decking material. Once a metal roof has been confirmed, the rooftop crew should consider opening skylights or resorting to natural ventilation in the form of large roll-up doors that are often found in the rear of the big-box structures. Common ventilation tools (chainsaws and circular saws) may simply not be efficient enough for cutting large holes on the roof to support ventilation for interior crews, as a circular saw will often cut through only small areas of metal and “gum up” with insulation, or the blade will wear out quickly. Type 3: Ordinary Type 3 buildings can be of either new or old construction, and they have non-combustible walls and a wood roof. Older construction buildings may consist of unreinforced masonry and have a conventionally framed roof, while newer buildings will have lightweight roof systems supported by reinforced masonry or tilt slab. The most common types of roof systems in a commercial setting of Type 3 construction include parallel cord truss and panelized roof systems. To identify if a building is of an older style, firefighters should look for clues, such as collar ties, king’s rows and arched lintels. If operating on one of these buildings, firefighters should be suspect of conventionally framed materials that may be weathered, built-up roofs or roof-on-top-of-roof systems. If it is determined that the roof is tenable, a ladder company should be able to effectively use chainsaws to ventilate the building and make the appropriate cuts based on the type of roof system. If approaching a building with no signs of unreinforced masonry, firefighters should sound the walls to determine wall type before going to the roof. Once on top, they should be able to identify the roof system and make an aggressive ventilation operation using saws. Newer construction uses truss systems in both panelized and parallel cord truss roof types that are known to fail rapidly and unexpectedly with direct fire impingement. As such, ladder companies should sacrifice some property for time and make vent holes over smoke, not fire. Whether conventional or lightweight, vertical ventilation on Type 3 construction is feasible and can be very effective. But safety is paramount; crews should always remain on ledger walls or structural members. Sounding and diagnostic cuts are effective ways to not only ensure the location of the structural members but also to allow the ventilation crew to monitor the roof conditions and act accordingly. Type 4: Heavy Timber Type 4 construction is found in older buildings and utilizes large dimensional lumber for structural members and interior elements. These buildings hold up well under fire conditions, but it’s critical that firefighters not feel a false sense of security, as these buildings are often poorly maintained, or have termites and/or weathering issues that can contribute to an earlier-than-expected collapse. Firefighters can identify these buildings by the large lumber used for walls and the long distance of roof spans. These buildings were most commonly built before 1960, when bolts and metal plates were used as connectors. Vertical ventilation may be achieved on these buildings, but sawyers may encounter thicker-than-expected decking that may make for a longer completion of a ventilation hole. Type 5: Wood-Framed Type 5 construction is found in many modern homes. The walls and roofs are made of combustible materials—most commonly wood. If the walls are wood-framed, the roof usually is as well. Rooftops are ceramic tile or asphalt shingles placed over lightweight trusses and OSB. Both UL and NIST studies have found that lightweight construction will fail within minutes of direct fire impingement. Firefighters should sound the walls prior to going to the rooftop. Whether operating on tile or asphalt rooftops, alternatives to rooftop ventilation should be considered if there is heavy attic involvement. If fire is isolated to a room, flashover (not collapse) is the main concern, and aggressive ventilation is beneficial. Because the roofs are made of wood, ventilation can occur through the asphalt shingles, but tiles should be removed first if encountered. Positive-pressure attack is another tool that may prove beneficial for Type 5 construction. In Sum Building construction types are truly the building blocks of how we operate on the fireground. By breaking structures into the five different building types, we can see the similarities and differences among them, and which factors influence how we ventilate different structures. Also, one of the biggest hurdles to combat on the fireground is communication. If your ladder company can’t operate on the roof, the reason why should be immediately communicated to the rest of the fireground. The ability to ventilate (or not ventilate) a structure often drives the outcome of the fire attack. If ladder companies are unable to operate on top of the fire building due to collapse potential or inability to ventilate, then the incident commander will need to determine if interior crews should be operating inside the building at all. Randy Frassetto has worked for the City of Surprise (Ariz.) Fire Department since 2001 and was promoted to captain in 2005. Surprise Fire is part of the Northwest Valley Firefighters Local 4361. Frassetto has been assigned to Ladder Company 305 for most of his career and he chairs the Arizona Ladder Operations Cadre, which represents most fire departments/districts in the state. This Ladder Cadre was developed to standardize ladder work and further training and research as it pertains to ladder company operations in the state. Frassetto is a member of the IAFC. How building class is determined: All buildings must be classified into one of six construction classes (see number 3). Classification of a building class is based on two factors: building elements and fire-resistance rating. These factors may not be included in the submission/documentation, in which case additional information will need to be requested. Building elements: The building materials used in the construction of the following elements are the foundation for classification, be they wood, steel, or masonry. Structural frame. Exterior bearing walls. Interior bearing walls. Exterior nonbearing walls and partitions. Interior non-bearing walls and partitions. Floor construction, including supporting beams and joists. Roof construction, including supporting beams and joists, are comprised of. Fire-resistance rating: This is the other factor in determining construction class. The building materials used in the construction of the building elements above will have a fire-resistance rating. Fire-resistance rating typically means the duration for which a passive fire protection system can withstand a standard fire resistance test. This can be quantified simply as a measure of time (ex. 0 hours, 1 hour, or 2 hours), or it may entail a host of other criteria involving other evidence of functionality or fitness for purpose. “Minimum” rule: It is important to remember when selecting the construction class that the building is only as strong as its weakest element. For example, a masonry building may have an unprotected wood roof. The wood roof is the weakest member such that it has no fire-resistance. Thus, the construction class would be Joisted Masonry (see below). Now imagine this same building with a metal deck roof. So long as the supporting members of the building do not contain wood then this building would be Masonry Noncombustible (see below). International Building Code (IBC) versus Insurance Services Office (ISO): These are two major sources identifying construction types, both of which will be addressed in the construction types outlined below. ISO is traditionally what insurance companies use to denote type, whereas IBC is what architects and builders use. While one company may use ISO classifications, many submission documents may reference IBC classifications and it is important to be able to convert this to an ISO classification. (There have been situations where a frame building has been incorrectly classified as fire resistive because the submittal was read incorrectly!) The following explains what is expected under both:. International Building Code (IBC): This is a model building code developed by the International Code Council (ICC). It has been adopted throughout most of the United States. A large portion of the International Building Code deals with fire prevention. It differs from the related International Fire Code in that the IBC handles fire prevention in regards to construction and design and the fire code handles fire prevention in an ongoing basis. Parts of the code reference other codes including the International Plumbing Code, the International Mechanical Code, the National Electric Code, and various National Fire Protection Association Standards. IBC is more descriptive and also includes A or B types of construction for each class. A is protected, meaning that all structural members of a building or structure have an additional fire rated coating or cover by means of sheetrock, spray on, or other approved method. The additional fire rated coating or cover extends the fire resistance of the structural members by at least 1 hour. B is unprotected, meaning that all structural members of a building or structure have no additional fire rated coating or cover. Exposed members are only fire resistant according to their natural ability, characteristics, and fire rating. Insurance Services Office (ISO): This is a provider of data, underwriting, risk management, and legal/regulatory services to property-casualty insurers and other clients. In last month’s column (FireRescue, August 2009, “Warning Signs,” p. 116), I discussed two fundamental subjects that every fire department should cover in its training programs: fire behavior and building construction. Last month, I focused on flashover, which is just one small segment of fire behavior. This month, I want to follow up by talking a little about building construction. Firefighters encounter thousands of buildings of every imaginable type. Some are hundreds of years old and some are brand-new, using the latest in engineering, construction techniques and building materials that we have little experience with under fire conditions. The point: No matter how much knowledge and experience we have about building construction, there’s always more to know because it’s always changing. The more we know, the more we need to know. Start with the Basics Volumes are written on building construction as it relates to the fire service, but just reading books won’t teach you about your response area. Cities are a mix of different construction types, each with their own special set of problems. As such, every firefighter should have a sound knowledge of each type and their inherent dangers. Most buildings can be classified as one of five basic types. Wood frame (Type 1);. Heavy timber/mill (Type 2);. Ordinary (Type 3);. Noncombustible (Type 4); or. Fire-resistive (Type 5). One of the most difficult concepts to teach firefighters about construction types is that although every building should be able to fit into one of these types, it’s also common to find features of multiple construction types in one building. This is especially true with new construction or buildings that have been renovated. Native Advertisement When building construction is your training topic, always start by ensuring that your crew knows and understands the fundamentals of each type of construction, as well as how each type may incorporate features from other types. Not So Ordinary This month’s drill will focus on ordinary construction, also called Type 3. A general definition of ordinary construction: a building featuring exterior masonry walls and combustible interior beams or truss. Although it’s not the most often used building type today, Type 3 construction has been used a great deal for commercial buildings built in the last 2 centuries. Ordinary construction is Main Street USA. You can find some form of it in just about any city in the country, from old schools made of hand-cut stone walls with simple beams that span the width of the building, to new strip malls with pre-cast blocks and lightweight engineered wood trusses. Techniques used to construct these buildings vary greatly from one part of the country to another because of the building materials used. Older Type 3 buildings still in use today were built using local materials easily accessible to the builders. Ordinary construction buildings have a long history of difficult fires. As well as the combustible nature of the construction, you’ll often find a very heavy fire load in these buildings. Here are a few discussion points to cover about ordinary construction at drill time. Just like in a balloon frame house or really any wood-frame building, Type 3 buildings feature lots of void spaces created by the construction process. Combustible void spaces between floors and in the attic are places where fire can go undetected and be difficult to reach. Masonry Walls. The load-bearing exterior masonry has a huge potential for collapse. Don’t put a lot of faith in rules of thumb concerning time limits when operating in these structures. If operating defensively, pay close attention to apparatus placement and deployment of crews in flanking positions outside the collapse zone. The masonry walls serve both to carry the load of the building and prevent fire extension into adjoining buildings. But don’t trust these walls to hold the fire. Over time, the walls will start to deteriorate, allowing the fire to find places to pass though. Renovation: Buildings are changed to meet the needs of the occupants. Each time we see a building under renovation, changes are being made from its original design that may affect the way the building will react under fire conditions. Example: lowering or dropping of ceiling heights. If the building code doesn’t require ceilings to be removed, most owners will choose to leave them in place to avoid the cost of removal. Multiple ceiling areas are perfect places for fire to extend into and grow overhead while crews operate below, unaware of the growing danger. These drop-ceiling areas are also very difficult to open up if fire has extended into them. IFSTA BUILDING CONSTRUCTION TYPES Make sure your crews have the right tools and equipment to face this issue—and the training to support them. Drill 1: A Typical Review. Discuss each type of building classification (1 to 5) and the method of construction for each. Review the inherent dangers associated with each construction type during fireground operations. In your response area, identify buildings that can be classified in each of the types. Drill 2: Focus on the Ordinary. Review the basic definition of a Type 3 (ordinary) building as it relates to the fire service. Working off a good photograph or in front of an actual Type 3 building in your area, have each member identify five features on the building that could lead to problems. Examples: lintels made of steel or wood, eccentric loading such as canopies, existing wall cracks or cast-iron building fronts. With the entire company, review indicators of possible collapse. Also discuss apparatus placement and where collapse safety zones should be set up to protect personnel. Conclusion There are many aspects of ordinary construction that firefighters must understand to be ready to face the next incident in a Type 3 building. BUILDING CONSTRUCTION TYPES FIRE Make sure you take the time to study and reinforce their book knowledge with good company-level training on building construction. Use your time out on the streets to identify and preplan the Type 3 buildings in your response area. 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