TheBigRedGuide.com was at FIREX 2011 this year to check out the latest offerings in the fire industry:
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Water is key to any firefighting operation. Being able to secure an adequate water supply is critical a critical skill for all fire departments. One of the most challenging scenarios to secure a water supply in is when there is no municipal water supply, or it is lacking in volume and flow. When fires occur in these areas, the only alternative is to shuttle water from the nearest municipal supply or a static body of water. To get the highest flow possible, departments must train on shuttle setup and equipment to analyze where improvements can be made.Water supplies should be evaluated based on the largest fire hazard in the area using the source A smoothly operating high-flow water shuttle takes pre-planning and training. A goal of training is to find the bottlenecks (constraints) in the system limiting flow. The theory of constraints is an approach to process optimization use to identify bottlenecks, then eliminate the bottleneck or adjust the process to meet the speed of the bottleneck. The only way to improve the process output, in this case fireground flow rate, is by improving bottlenecks. Improving non-bottlenecks does not improve the process output. Training provides the opportunity to identify and correct bottlenecks. The following examines some common constraints of a water shuttle. Identifying A Water Source The time to identify a water source for a fill site is not when the alarm bell goes off. Water supplies identified for fill sites must be able to provide the target fill rate of 1000 gpm. Natural bodies of water must be evaluated during different times of the year This is based on the restrictions placed on ploy tanks of 100psig inlet pressure and 1000gpm inlet flow. It is possible to fill none poly tanks at faster rate if designed for it, but there are less chance for mistakes if the fill rate is standardized at 1000gpm. Along with flow, adequate volume must be available at the fill site. Water supplies should be evaluated based on the largest fire hazard in the area using the source. Another way to evaluate the minimum volume is the ISO standard. A shuttle must be able to maintain a flow of 250gpm for two hours. This requires a water source to have a minimum volume of 30,000 gallons. Natural bodies of water must be evaluated during different times of the year to make sure the minimum volume remains adequate. Data capture form to appear here! Know Your Flow Rates Normally, using a municipal hydrant system is a good choice for a fill site as it has significant water supply to support a fill site operation. A large or extended fire has the potential to deplete smaller water systems. Some hydrants easily flow over 1000gpm yet other hydrants in the same system may flows less than 1000gpm It is important to know the system capacity when using a municipal supply for tanker operations. Flow from the hydrant can be another constraint at the fill site. Some hydrants easily flow over 1000gpm yet other hydrants in the same system may flows less than 1000gpm. Knowing the flow rate of hydrants used for a fill site is a critical component of fill site pre-planning. Dry hydrants are the most efficient way to access static water supplies Static Sources And Dry Hydrants Static sources can provide a good water supply for filling tankers if the volume is adequate and there is access. Access to a static water supply can be done in several ways, pre-planning will allow the most effective and efficient means to be used when water is needed. The most efficient way to access static water supplies is by installing a dry hydrant from the water source to an area an engine can easily access.Dry hydrants minimize the equipment, time, and personnel needed to start drafting operations at the fill site Dry hydrants minimize the equipment, time, and personnel needed to start drafting operations at the fill site. If a dry hydrant is not installed, a strainer must be connected an adequate amount of suction hose to reach the water. Most engines carry two 10-foot sections of suction hose, this limits the distance between the engine and water source without collecting additional suction hose from other apparatus. The amount of suction carried on engines was tied to the limitation of motorized primers. These primers had the potential for the motor to burn out if operated for the extended period to prime more than 20 feet of 6” suction line. With the advent of air driven primers, it is possible to prime significantly more than 20 feet of 6” suction without equipment failure. If the volume is adequate, static sources can provide a good water supply for filling tankers Dump Tank And Pumps The fill rate must be reduced to allow the portable pumps to keep level of the dump tank during tanker filling Portable pumps can access water supplies that are out of reach of standard engines. Setting up a water supply with portable pumps requires a significant amount of equipment and personnel. To get the desired 1000gpm fill rate, an open relay to supply an engine is normally constructed. The dump tank(s) used for the open relay and the engine’s tank must have sufficient capacity to fill the largest tanker in the shuttle at 1000gpm. If this is not the case, the fill rate must be reduced to allow the portable pumps to keep level of the dump tank during tanker filling or add more pumps to increase the supply to the open relay. Moving The Fill Area If tanker traffic flow is smoother in an adjacent area, the fill area should be moved The physical layout of the fill site can become a bottleneck. It must be large enough to allow two tanker to be positioned for filling. Traffic cones are used to mark the spot where each tanker must stop for the fill lines to reach. If the area is overly congested with the engine and tankers, the area for filling the tankers must be moved. This is facilitated by using LDH to make the fill site remote from the fill engine. Even if the site is large enough to allow the tankers to be filled near the engine, the flow of traffic may be less than optimal. If tanker traffic flow is smoother in an adjacent area, the fill area should be moved. When designating the tanker filling areas traffic flow is a major consideration. The site should be such that no maneuvering is needed, but if it is required the tankers do so when empty. The physical layout of the fill site must be large enough to allow two tankers to be positioned for filling Tankers At The Fill Site Ideally tankers are filled with two 2 ½” or 3” lines. Some new tankers are equipped with LDH fill connection. If the plumbing downstream of the connection is large enough to support the fill rate neither of these connections will restrict fill rates.The plumbing between the hose connection and the tank is a potential for bottleneck of the goal of 1000gpm The plumbing between the hose connection and the tank is a potential for bottleneck of the goal of 1000gpm. Tankers with a single non-LDH fill connection will struggle to meet the target fill rate. This bottleneck may be difficult to overcome without major redesign of the tanker. Two Ways Lines There are two ways lines at the fill site are normally laid out: running 2 ½” or 3” lines from the individual discharges of the engine or running the 2 ½” or 3” lines from a water thief manifold fed by LDH from the engine. Both have advantages and disadvantages. Using individual discharges will require more hose to reach both fill stations. The location of the discharge may require the operator to be standing next to pressurized line. The opening and closing of the discharges will place added wear on the engine’s valves. Using two 2 ½” discharges will allow the desired fill rate of 1000gpm without overloading the capacity of each discharge. Two 2 ½” discharges will allow the desired fill rate of 1000gpm where individual discharges would require more hoses If the LDH is supplied from a 2 ½” discharge with an adapter, it is highly likely the goal of 1000gpm may not be met A water thief fed with LDH provides the option to place the fill lane and the water supply a distance apart. The water thief lets an LDH line be added to fill tankers equipped with LDH fills. The biggest disadvantage is the ability to achieve 1000gpm depending on how the LDH is fed. Engines with true LDH discharges will not have an issue supplying the LDH at 1000gpm. On the other hand, if the LDH is supplied from a 2 ½” discharge with an adapter, it is highly likely the goal of 1000gpm may not be met. This situation can be improved by using a siemese or trimese to feed the LDH for multiple 2 ½” discharges on the engine. Many factors go into selecting the best fill site configuration for a department, it is critical to train and test in order to determine what is most effective and efficient for your department. Manifold systems being set up and operated Choose The Right Place For A Dump Site The dump site is the equivalent to a fire hydrant, except it takes a larger footprint and can be placed where it will provide the best benefit to the fire ground. This might mean setting the dump site a distance from the fire ground and supplying the attack engine using LDH.Tankers must be able to maintain a steady flow through dump site without unneeded maneuvering It is more important placing the dump site where the best flow of tankers can be obtained. Tankers must be able to maintain a steady flow through dump site without unneeded maneuvering. Setting up a dump site in an intersection provides additional room to keep things moving at the dump site. Dump tanks impact the overall flow of the shuttle in several ways including footprint and capacity. Real estate is a precious commodity at a dumpsite. It may be necessary to place the dump site a distance from the fireground to have enough room to set up tanks and provide a smooth flow of traffic. The larger the tank capacity, the larger the footprint. Sometimes the tank can be wider than the road, for example a 3000-gallon tank is 14’x14’. This presents a problem when trying to setup on a narrow country road or a congested city street. A solution to this is using the single lane style tank that is 8’x14’ for 2100-gallons and fits nicely in front of or behind the supply engine. Larger tanks also leave more water in the bottom once the limits of the low-level strainer is reached. Tankers maintaining a steady flow through the dump site without unneeded maneuvering Single Or Multiple Dump Tanks? Using multiple dump tanks increases the flow at the fireground, but requires transferring the water from the secondary to the primary tank There must be enough space at the dump site to add dump tanks should additional capacity be needed. If there is no place for tankers to dump, tankers will back up waiting for room in the tank. The easiest way to maintain flow is adding an additional dump tank. Not only must the area have room to add additional tanks once available, the tanks must be spaced out to allow two tankers to dump at the same time. This will increase the flow of the shuttle by keeping tankers moving and putting more water at the dump site. The space also provides a safe area for fire fighter working at the dump site. Using multiple dump tanks is needed to increase the flow at the fireground, but it requires some method of transferring the water from the secondary tanks to the primary tank. This has the potential to create several bottlenecks. For efficiency, water should always be transferred from the secondary tank to the primary tank. Ladders can be used as a bridge over the middle tank to run the transfer hose over to the primary tank When there is another tank between the secondary and primary tank there is the temptation to flow water into the middle tank before going to the primary tank. This is extremely inefficient. A ladder can be used as a bridge over the middle tank to run the transfer hose over. This allow the secondary tanks to have roughly the same available capacity when tankers dump which is important when dumping more than one tanker at a time.A ladder can be used as a bridge over the middle tank to run the transfer hose over. Appropriate Use Of Jet Siphons Jet siphons are commonly used to transfer water into the primary tank from secondary tanks. Along with transferring water between tanks, it is possible to us multiple intakes form the pump going to secondary tanks. Multiple dump tanks require multiple jet-siphons to transfer water to the primary tanks. Each jet siphon requires water from the engine to drive it. Jet siphons can take up to 300gpm each to transfer water at rates over 750gpm. Jet siphons require water from the engine to drive it and can take up to 300gpm each to transfer water Dump sites are tight, while we may want to bring in a second engine to transfer water it just will not fit most of the time The water used to drive the jet-siphons takes away from the pump capacity available to supply the fire ground. With a 1250gpm engine at the dumpsite, using a single jet siphon has the potential to reduce the available capacity of the pump to 950gpm. One way to address this problem is by testing jet siphons to determine the most efficient ones in inventory. The other way is by using a secondary pump to transfer water. Dump sites are tight, while we may want to bring in a second engine to transfer water it just will not fit most of the time. This is when small grass trucks and portable pumps come into play. Both options take up much less room than a full-size engine. Most small pumps have the capacity to drive jet-siphon. It is important to train with this setup to insure the pump can adequately drive the jet-siphons. Use The Strainer Correctly One thing many people fail to recognize as a bottleneck is the low-level strainer. The strainer that has been on the truck for decades is viewed as being fine, it has always worked. In reality, old low-level strainers were designed and optimized at a time when 750 and 1000gpm pumps were the norm, not the 1250gpm and up pumps in use today. An old strainer with a front intake can restrict the pump capacity to less than 50% Couple an old strainer with a front intake as we had at a recent drill, and the pump was restricted to less than 50% capacity Couple an old strainer with a front intake as we had at a recent drill, and the pump was restricted to less than 50% capacity. Fortunately, there a new design strainer was available which allowed the pump to reach 80% capacity. While flow is important when evaluating a low-level strainer, how low the water can be pulled before taking in air is also a primary consideration. A strainer that flows over 1500gpm but leaves 12” of water in the bottom of the tank will eventually cause a bottleneck in the shuttle. There needs to be a balance between maximum flow and maximum extraction capability when evaluating strainers. Old low-level strainers were designed and optimized at a time when 750 and 1000gpm pumps were the norm Supply Engine At The Dump Site The engine with the largest pump must be the supply engine at the dump site Depending on the design, the engine can be the bottleneck to the flow available to fireground. The engine with the largest pump must be the supply engine at the dump site. Even though the largest pump is used, the available flow can be reduced depending on which intake is used. For mid-mount pumps, the side intake provides the highest flow as the water goes directly into the pump. It is common for engines with mid-mount pumps to have front and/or rear intakes. Using these inlets at the dump site allows the engine to be in line with the dump tanks to create a lower profile but this come at a cost. It is common for engines with mid-mount pumps to have front intakes Another solution is using a 90-degree elbow from the side intake to go to the front or rear of the engineThese inlets will provide less than the rated capacity of the pump due to additional losses in the plumbing. Front intakes can restrict the capacity around 50% while the rear intakes can cause a restriction of 25% or more. A solution to this is bending the suction hose from the side to the front or rear, but this will use an entire section of hose just for the bend. Another solution is using a 90-degree elbow from the side intake to go to the front or rear of the engine. Elbows with a large radius provide minimal impact to the capacity of the pump and does not waste a section of suction for the bend. Rear intakes can cause a restriction of 25% or more and a solution to this is bending the suction hose from the side Stationary Tankers Can Be A Problem A line of tankers waiting to dump points to the dumpsite as the bottleneckA stationary tanker is an indication of a bottleneck in the system. Where the tankers are standing still points to the location of the bottleneck. If they are waiting to get filled, the bottleneck is the fill site. A line of tankers waiting to dump points to the dumpsite as the bottleneck. This might mean establishing a second fill site or adding a tank at the dumpsite. Running out of water at the dump site means there is a bottleneck somewhere, if tankers are moving there are not enough for the length of the shuttle route. High-flow shuttles requires continuous evaluation to key water flowing smoothly and make adjustments when needed. As your tanker shuttle is examined in detail other bottlenecks may present themselves. The ones presented here are the more common ones departments have experienced. In order to identify and fix bottleneck, shuttle training on a regular basis is a must. Once a year is the minimum. The more you can train with all the departments that would be involved in your water shuttle the better. Tools to help plan and determine the flow rate of your water shuttle can be found at Ohio Fire Chiefs Water Supply Technical Advisory Committee.
The Communications Workers of America (CWA), a labor union, is promoting awareness of the benefits of FirstNet, an independent government authority established in 2012 to build and deploy the first-ever nationwide broadband network dedicated to first responders. “Once people know what it is, they get excited,” says Bianca Garcia, CWA's FirstNet Program Coordinator. AT&T, the only unionized wireless carrier, was chosen as the private company tasked over 25 years with building out the nationwide network. FirstNet network features include no throttling or slowing down of data speeds, prioritizing calls to avoid congestion on wireless networks, and preemption to enable first responders to communicate and coordinate during emergencies and large events. Public Service Stakeholders If they are looking to upgrade their communications abilities or think about their work in a more comprehensive way" These features ensure the network is always available for use by first responders, including law enforcement, emergency medical service (EMS) and fire departments. The network uses encryption to ensure privacy of sensitive information. Public service stakeholders using a single network can promote coordination of mutual aid and help to solve challenges of communication. CWA is seeking to bridge an education gap among first responders related to FirstNet, including all public safety stakeholders – professional and volunteer, urban and rural. “If they are looking to upgrade their communications abilities or think about their work in a more comprehensive way,” they should embrace FirstNet, says Garcia. Involvement will also ensure first responders help to guide how the network evolves over the next 25 years. “Public service should be at the forefront of how the network develops,” says Garcia. FirstNet-Compatible Devices The union makes information about FirstNet easily available at FirstResponderVoice and through their Facebook page, a monthly newsletter, a downloadable fact sheet, webinars and other venues. FirstResponderVoice is a source of information, news and analysis about FirstNet and public safety communications more generally. FirstResponderVoice is a source of information, news and analysis about FirstNet and public safety communications more generally Among the tools CWA uses is a FirstNet Tool Kit, providing a step-by-step process detailing how first responders and public safety decision-makers can inform their communities about FirstNet and the benefits it brings to their public safety programs as the first interoperable LTE broadband network. The Tool Kit includes a FirstNet fact sheet, introductory PowerPoint, rates for FirstNet plans and a list of FirstNet-compatible devices. It outlines step by step how first responders can subscribe to FirstNet and share sign-up information with colleagues. Emergency Response Stakeholders There are also suggestions on how emergency response stakeholders – including fire department chiefs, colleagues, city council members, volunteer first responders and other emergency-response workers – can educate one another on FirstNet. FirstNet is not intended to replace land mobile radio (LMR) because it does not include mission critical voice capabilities FirstNet is not intended to replace land mobile radio (LMR) because it does not include mission critical voice capabilities. The goal is to provide additional capacity, coverage and interoperability. The system has already proven successful in several high-profile disasters in recent months. For example, Panama City Beach, Fla., relied on AT&T FirstNet for communications in the wake of Hurricane Michael, which caused outages last October in the jurisdiction’s broadband and LMR systems. AT&T and FirstNet also set up a Satellite Cell on Light Truck (SatCOLT) to enhance cell service for first responders who were battling California’s Camp Fire last November. They brought mobile cell service back to the city of Malibu, Calif., in the aftermath of the Woolsey Fire in November. Wireless Broadband Network CWA has been involved with FirstNet from the beginning and was an active member of the Public Safety Alliance that supported the creation of FirstNet. Discussions first began after 9/11 about the need for FirstNet. CWA also supported Senate Bill 3756, the Public Safety Spectrum and Wireless Innovation Act, which allocates 10 megahertz of spectrum known as the ‘D block’ to public safety for a nationwide interoperable wireless broadband network. Passage of the bill, in effect, created FirstNet. CWA includes professional public safety members around the country in addition to their membership of communications workers. In all, CWA represents 700,000 workers in the U.S., Canada and Puerto Rico, working in telecommunications and IT, the airline industry, news media, broadcast and cable television, education, health care and public service, law enforcement, manufacturing and other fields.
North America’s largest fire event, FDIC International, brings together more than 34,000 fire industry professionals this month (April 8-13) at the Indiana Convention Center and Lucas Oil Stadium in Indianapolis. First constructed in 1928, FDIC continues today in its original tradition of providing a forum for networking about the most vexing issues and sharing the most promising solutions to concerns that face the fire service. FDIC provides opportunities to learn new techniques, train alongside world-class leaders, and advance discussions among the most influential firefighters in the industry. FDIC allows practitioners and those who support the industry an opportunity to discuss frankly the latest developments in equipment and support and collaborate on how those new advancements can be best used. 27 Interactive H.O.T Sessions FDIC offers many opportunities for learning and training, starting with its 27 interactive Hands-on Training (H.O.T) sessions“FDIC is steadfastly dedicated to its fundamental principle of providing a non-ideological, non-affiliated and openly inclusive environment for sharing and collaborating among all members interested in the mission of the fire service,” says Chief Bobby Halton, Editorial Director, Clarion Fire Rescue Group, and Educational Director, FDIC International. “Whether their interests lie in operations, medical or fire, in administration, in the production and distribution of equipment, or the advancement of codes and standards, all opinions and worldviews are accepted and debated with the utmost respect and dignity.” FDIC offers many opportunities for learning and training, starting with its 27 interactive Hands-on Training (H.O.T) sessions, 78 pre-conference workshops and more than 200 conference sessions. FDIC’s immersive learning experience extends to the exhibit hall floor and outdoor demonstration area where attendees can see and try the latest products, equipment, services and technology from over 800 exhibiting companies. “FDIC is more important than ever to the fire service industry because it is now and will always be of the firefighters, for the firefighters, and about the firefighters,” says Halton. Events Co-Located With FDIC New this year, iWomen is co-locating their event at FDIC, which includes 14 timely classroom sessions spread over two days, as well as networking events geared at sharing challenges and insights in a supportive environment. Also, the Institution of Fire Engineers United States of America Branch is co-locating their AGM annual meeting and educational update at FDIC. And the National Fire Heritage Center has partnered with FDIC to promote the center, conduct its annual meeting and introduce the annual inductees into the Hall of Legends. FDIC is more important than ever to the fire service industry because it is now and will always be of the firefighters, for the firefighters, and about the firefighters FDIC’s new MATCH! Program is a customized meeting experience that connects attending decision makers, who have an immediacy to purchase, with exhibitors whose products or services match their sourcing needs and interests. These VIP attendees can make the most efficient use of their time by accessing innovative matchmaking technology and a personal program manager to assist them with meeting scheduling and recommendations. Exhibitors At The Event FDIC’s Mobile App is a visitor’s guide to searching the exhibitor list, navigating the exhibit hall and seeing a full schedule of sessions and events. FDIC’s new parking partner, Gate Ten Events and Parking, allows visitors to reserve their parking space ahead of time. Large exhibitors headlining the Exhibit Hall include Pierce; Rev Fire Group, E-ONE, KME, Ferrara and REV Ambulance; 3M Scott Fire and Safety; and HME Ahrens-Fox. Other large exhibitors include Honeywell First Responder Products, Drager, Globe by MSA, Rosenbauer and Spartan Motors. Here are some of the timely themes covered at this year’s conference: Current updates on the development and implementation of science-based strategy and tactics Information and practices on mental health and wellness Leading advances in firefighting technology and managing an integration of technology into the decision-making process during operations Review of recent sentinel events in the fire service from actual participants Analysis of accident investigation from members of NIOSH and the CDC Updates on current research into toxicity in the environment and equipment Current thoughts on decontamination procedures presented by researchers and practitioners The value of belongingness as a tool for health and wellness, suicide prevention, a detailed examination of the sociotechnical interface and firefighting’s role going forward The complex political and operational dilemmas faced in the wildland urban interface Recruitment and retention for the volunteer fire service Networking Opportunities Abound The event takes over the city, and there are chances to network with peers everywhere they turnAt FDIC, networking starts the moment attendees arrive in town. The event takes over the city, and there are chances to network with peers everywhere they turn. Formal networking events are also organized, including the 9/11 Memorial Stair Climb, Courage and Valor 5K Fun Run, Comedy vs. Cancer, IFD Open House and Pumper Pull, Stop Drop Rock ‘n’ Roll and more. “We want individuals to walk away feeling inspired by new ideas, tools or techniques they’ve learned in sessions or new products or services they’ve sourced on the show floor that ultimately keep them and their communities safe,” says Halton.