Fire Pump Calculation Practice


The FIA is offering training to a new Level 3 qualification for the fire detection and alarm (FD&A) sector - BS 5839-1 Fundamentals of FD&A in Non-Domestic Premises. of the tank volume if a pump is discharging a constant 24 gallons per minute into the tank? a. View our chart to learn about theoretical friction loss in fire hoses. 119/93] September 2003 TABLE OF CONTENTS Part 1. February 11-12 or October 27-28 • NFPA 25 Overview. This sample exam IS NOT ACTIVE!. Taking the exam. 5 Fire flow policy 75 6. SABS provides a range of standards covering the demands of the Building & Construction industry, from quality management systems to test methods for specific materials or parts. Subjects: apparatus calculations driver engineer fire ifsta operator pumper test. Payments received less than seven (7) days prior to scheduled event must be made via credit card only. 25 = 125 gpm. You might be able to get more current info there. Smoke machines may be used to provide a more realistic training scenario for the interior firefighters, but since water cannot be flowed inside the training facility, the training value to the pump. The most comprehensive fire safety training. com June 2003 Situation Water at 150 °F is to be pumped from a collecting tank located at the basement level (elevation 2800’ above sea level). Combustion air is necessary for burning fuel such as gas, oil and wood. Careful study, supervised training and constant practice are needed to bring the engineer's skill to the highest point of efficiency. []Fire Hydrant Pump Requirements: Capacity:Max [(3) and (6)] Q = 1800 l/min. 1 SYSTEM CHARACTERISTICS In a pumping system, the objective, in most cases, is either to transfer a liquid from a source to a required destination, e. com June 2003 Situation Water at 150 °F is to be pumped from a collecting tank located at the basement level (elevation 2800' above sea level). Fire alarm circuits must be tapped ahead of main breaker with a separate panel. Wed 10/16 Make-Up Night, Extra Practice on Calculations, or start practicals from next session Sat 10/12 Foam Equipment and Systems Skills Practical: Fire Streams and Hydraulics Chapter 14 Classroom/Practical 7 Fire Pump Positioning, Theory, and Operating Mon 10/21 Positioning Apparatus Fire Pump Theory Chapter 4 Chapter 9 Classroom 4. Later pump failures must be demonstrated to have no significant effect on the data or a similar termination and restart will be necessary. By NEC Article 645 for fire pumps the voltage at the controller line terminals shall not drop more than _____ below normal (controller-rated voltage) under motor starting conditions. Comprehensive Occupational Medical Program for Fire Departments. The head pressure is expressed in terms of loss or gain. Secondary Containment Calculation Worksheets If you are the owner or operator of a Spill Prevention, Control, and Countermeasure (SPCC) qualified facility, you need to ensure that you have adequate secondary containment to prevent oil spills from reaching navigable water. Water supply is an important subject to the fire service, fire protection engineers, and city managers. lightmypump. The rules of the state fire marshal as set forth in Chapter 1301:7-7 of the Administrative Code shall be known as the "Ohio Fire Code" abbreviated "OFC " and hereinafter in such rule may also be referred to as the "state fire code" or "this code. The most common arrangement is a single water storage tank with two fire pumps, each capable of meeting the needs of the sprinkler system. Apparatus Inspection and Maintenance 3. The maximum required fire flow for a single fire event is 12,000 gpm (757 L/sec). Distribution system requirements for fire protection. Increasing yield and decreasing drudgery of small-holder farmers. 1 of NFPA 13 (2016) requirement of "Means shall be provided downstream of all backflow prevention valves for forward flow tests" in lieu of other means located…. Where the rating of the gas appliance(s) to be installed is unknown, Table 1 shall be permitted to be used to estimate requirements of typical appliances. GPM Fog Nozzle - 250gpm - 100psi 1 Smooth tip - 100gpm - 50psi Supplying other engines:…. Revised on November 17, 2010. Yesterday at 9:52 PM. Fire pumps test line position;on common discharge header or for each pump ?(ha_FP_01) Published on September 6, 2017 September 6, 2017 • 24 Likes • 8 Comments Hany Algharbawy P. []Fire Hydrant Pump Requirements: Capacity:Max [(3) and (6)] Q = 1800 l/min. 4 Excessive noise or vibration 16 2. FD-4, 1981, p. 3 ft (B) 22. suction and discharge line routing. as single irrigation pumps. SWPA member Barry Jongsma, manager, product engineering, for Pentair, joins SWPA Executive Director Adam Stolberg to discuss the importance …. Using nozzle reaction parameters and a set minimum standard for volume, the rest of the process is relatively simple: Find nozzles that flow greater than 150 gpm with nozzle reactions near 60 pounds, and put them in the hands of firefighters for them to find their preference. Rule of Thumb If circuit is loaded up to ampacity and distance to load is around 100 feet, then voltage drop will govern and will require larger wire size. Scope This standard establishes a guideline for pumping a fire apparatus. Pump Equations Formulas Calculator Fluid Mechanics and Hydraulics. The hazards associated with pressure and vacuum accumulation in a tank storing flammable and combustible liquids are stated. Both systems contain four basic components: reservoir/receiver, pump/compressor, valve, cylinder. Upon completion of the pump and sprinkler piping installation, a field acceptance test shall be conducted at minimum, rated, and peak loads of the fire pump by controlling the quantity of water discharged through approved test devices. All the best!. This system consists of a fire hydrant network around a process unit or equipment, with branches as required for hydrants or monitors to protect the unit in case of fire. While many refineries operate their own fire-fighting forces and equipment on-site, coordination with local safety responders is also important. None of the existing method can currently be employed in practice to estimate the correct axial thrust value or even the permissible variance. Pump capacity is a term used to describe the maximum flow rate through a pump at its designed conditions. The purpose of the fire department check valve in a fire department connection is to: Discuss. Fire Sprinkler System Design The design of a residential sprinkler system is more demanding than it first appears. The safety valves and pressure gauges fitted on higher capacity extinguishers should be calibrated once in 3 years and recorded in the register. At the nozzle the pressure decreases to atmospheric pressure (101300 Pa), there is no change in height. evolutions and the most innovative products and services available to the industry displayed by over 800 exhibiting companies. Some good rules to follow are: Make sure the water test is less than a year old. 2003 Ocr ABBYY FineReader 8. In order to calculate boiler efficiency by this method, we divide the total energy output of a boiler by total energy input given to the boiler, multiplied by hundred. Industry and nationwide hydrant flow tests can vary greatly. The purpose of the fire department check valve in a fire department connection is to: Discuss. 0 DESIGN 8. Is this normal or do I have a leak? A small amount of water in the baseplate drain is normal. 1 Overview 73 6. The infusion pump interprets a single keystroke as multiple keystrokes (a problem called a “key bounce”). Pump Flow Rate Pipe Diameter(ID) Pipe Length Differential Elevation Pipe Material Total Dynamic Head(TDH) FOLLOW US. 08 Q = Quantity (÷ by 100) a. The calculations vary to account for the work of gravity. Sprinkler area calculations are a more complicated way to calculate fire pump size requirements, but they are extremely effective for larger buildings and buildings with a variety of fire hazards. If you're looking for a challenging, enjoyable, and rewarding workplace, send us your resume or contact us for more information. •Rooms containing fire pumps shall be free from storage & penetrations not essential to the operation of the pump. We all know what electricity is, or at least have a rough …. Tips on building and advice on passive design in New Zealand. Best Practices; Cut Length Discrepancy Between Drawing and Listing; File Management. The pump can then be primed by merely opening the suction stop valve and allowing the force of gravity to fill the pump with liquid. The best practice guidelines document is intended to be a technical resource that provides the most complete information for structural fire-resistant design at present. Clean fire extinguishing systems, FM-200 systems are suitable to be used for the fire that occurred in an area equipped with high value electrical and electronic equipment is an important part of doing business, such as a computer room. Atmospheric Pressure OHT #H2 1. Fire Protection System Unit-I Building Utility & Services. All acceptance testing outlined in NFPA 20 shall. Here’s an example calculation using the compressed air pipe sizing table (table 1) and the equivalent pipe length table (table 2). The water stream is available from a storage tank which operates at atmospheric pressure and 25 0 C. Fire extinction--Water-supply. To calculate pump gpm, two sizing methods are available, the standpipe method and the sprinkler area calculation. Previously, IFSTA published two separate manuals with student and instructor support materials: Pumping Apparatus Driver/Operator Handbook and Aerial Apparatus Driver/Operator Handbook. Fire hydraulics - fire ground problems. ISO 9001:2015, EMS ISO 14001:2015 (Environment Management System), OHSAS ISO 18001:2007. BASIC PUMPING STANDARD OPERATING GUIDELINE DATE APPROVED: March 2008 DATE REVISED: June 2014 I. NFPA 20: Installation of Stationary Pumps for Fire Protection (2016) Online Training Series. 3 England and Wales 8 2. The purpose of the residential electrical load calculation is to accurately determine the size of the electrical service base upon the electrical equipment that will be installed. 0007 (this is a ‘rule-of-thumb’ calculation) Example: How many horsepower are needed to drive a 5 gpm pump at 1500 psi? GPM = 5 PSI = 1500. Go to Content ↑ Lighting Arrestor. of the tank volume if a pump is discharging a constant 24 gallons per minute into the tank? a. Rooms containing fire pumps in non-high-rise buildings shall be 2-hour rated or 1-hour rated in a fully-sprinklered building, per IBC Table 508. Fire Sprinklers is a powerful BIM solution for wet and dry fire protection systems suited for standards in all global regions. Fire protection standards can be written by independent organizations, insurance associations or government authorities to minimize the possibility and effects of fires. Example, your laser printer and toaster are on. The testing required was simple, but the estimation of yearly perfor-mance was done through an elaborate calculation proce-dure. We cannot design or install fire sprinklers for you. Fire Fighting - How to Calculate Fire Pump (Electrical Driven pump / Diesel Driven pump) and Jockey Pump Capacity in Fire Fighting System. Positioning Apparatus 5. Air Conditioning 101 - Summer Special 2020. 5 30 105 26 40 44 4. 4 Excessive noise or vibration 16 2. Allowable load at connection B and C is zero. The ASME B31. WATER SUPPLY AND FIRE STREAM MANAGEMENT M. 531 60 92 10 5 2. Basic Pump Operations. This system consists of a fire hydrant network around a process unit or equipment, with branches as required for hydrants or monitors to protect the unit in case of fire. Insurance Services Office Method The ISO's technique for calculating required fire flow is documented in its publication Fire Suppression Rating Schedule. Use our Fire Pump Test Hose Caclulator to estimate how many hoses will be required to test a particular pump. The FIA is offering training to a new Level 3 qualification for the fire detection and alarm (FD&A) sector - BS 5839-1 Fundamentals of FD&A in Non-Domestic Premises. • NFPA 20 Fire Pumps. When defining the hydraulic grade line, calculations proceed from the system outfall upstream to each of the terminal nodes. Five (5) written mathematical formulas 3. Denver has adopted the 2015 ICC (International Code Council) codes listed below. Certified Fire Inspector I (CFI-I), 4-Day Classroom Training (with Optional Certification Exam) Certified Fire Plan Examiner: 3-Day Classroom Training - with Optional Certification Exam. Insurance Services Office Method The ISO's technique for calculating required fire flow is documented in its publication Fire Suppression Rating Schedule. Efficiency of the dc machine is higher when: When the core losses are zero. NFPA 99: Health Care Facilities Code (2015) Online Training Series. All acceptance testing outlined in NFPA 20 shall. Refrigerant gas. This website contains regulations as they currently appear in the Missouri Code of State Regulations (CSR). Ventilation systems generally involve a combination of these types of systems. With a vertical condensate pump in a suction barrel, for instance, it is common practice to specify 0. Centrifugal pumps in parallel are used to overcome larger volume flows than one pump can handle alone. 38 Fire Pumps (two stage - volume) Pumping in the parallel (volume) position ; When the transfer valve is in the volume. 2 Addition Integrated Fire Protection System Testing Test criteria has been added to the code with a reference to NFPA 4 to ensure that where multiple fire protection systems or life safety. This fully functional exercise will allow students to practice for. 1 Overview 73 6. We succeed through the proper management of programs and resources to enhance the health, safety, and welfare of the residents, businesses and visitors of the City of Virginia Beach. SS 575 : 2012 Code of practice for fire hydrant, rising mains and hose reel systems. NSAI (National Standards Authority of Ireland) is Ireland’s official standards body. If the fuel, oxygen, or heat is removed, the fire will die out. Pre-fabricated lift stations generally have capacities of up to 38,000 liters per minute (10,000 gallons per minute). NFPA 99: Health Care Facilities Code (2015) Online Training Series. Centrifugal pumps in parallel are used to overcome larger volume flows than one pump can handle alone. Publication Schedule. Friction loss calculator Quickly solve friction loss for any length, GPM & hose sizes. Select impeller in exactly the same manner as for lineshaft type pump. 1 The pressure at the highest outlet of a wet riser A wet riser is provided in an 8-storey building with an outlet at every storey. This online test module on Pumps will help you to enrich your knowledge about Selection, Application and Operating knowledge on Pumps. Fire Pump Layout and Sizing Victoria B. All the best!. There is always the possibility of job factors or variables we did not consider. 4 Foot Valve A valve fixed in the suction strainer of the fire pump which opens only inwards to allow in-rush of water into the pump suction and fire pump when the fire pump is actuated. Like • Show 1 Like 1. Format: Individual and large group discussion Materials Needed: Thirtymile Fire Incident and the Mark 3 Pump (an excerpt from the Thirtymile Fire. Fire Hydrant Hose Friction loss: 5 mAq. For example, your pump takes 30 seconds to fill a 10. The Alabama Fire College. All of the work elements necessary for NICET Level II Certification will be covered by the course including sprinkler selection, sprinkler spacing and location, obstructions to sprinklers, water supplies (public mains, tanks and pumps), hydraulic calculation of sprinkler systems, and standpipe system layout and calculation. Floor, wall and ceiling plates shall be pressed steel or cast iron split plates, chromium plated. 10, page 275, col. ADDRESS 31115 Beaver Circle Lewes, DE 19958. This increases the risk of heart disease, including. If you're seeing this message, it means we're having trouble loading external resources on our website. 30pm Monday to Friday and 7am to 1pm on Saturdays. Prevent the domestic water supply from entering the riser. Air or vapour entrainment causing noise, friction and. Fire engine operators must consider the effects of changes in elevation to supply proper water pressure to the hoselay to provide a proper nozzle pressure. Engine (Pump) Pressure ± (Head Gain or Head Loss) - Friction Loss DNP = EP ± (HG or HL) - FL When calculating desired nozzle pressure in a downhill hose lay, add the head pressure. This calculation is based on an average US, non-vegetarian diet. 1, Power Piping Code, Appendix II, Non-Mandatory Rules for the Design of Safety Valve Installation, provides guidelines for the physical arrangement of safety valve piping, the most significant being that the distance between the centerline of the valve and the centerline of the discharge elbow must not exceed 4 times the nominal pipe size of the relief valve outlet. UPCOMING EVENTS. clean water for fighting against fire threats. Because of this similarity, a pump operator can do an adequate job of operating any piece of apparatus by applying fundamental principles. Clean fire extinguishing systems, FM-200 systems are suitable to be used for the fire that occurred in an area equipped with high value electrical and electronic equipment is an important part of doing business, such as a computer room. 2 No or low pressure 14 2. Underground Wiring Use XLP-USE wire for underground wiring, #^AWG Copper minimum. Fire up an online exercise, or try an activity to put the volume formula to use in the real world. Grundfos can offer either individual loose components or fully compliant packaged hydrant pump skids. The 9100 Series fire pump is designed to provide water to stand pipe, sprinkler, chemical mitigation, and hydrant systems for fire suppression in industrial and commercial facilities. Next, double 9 to obtain the answer of 18 psi per 100 feet. Types of Lasers There are many types of lasers available for research, medical, industrial, and commercial uses. Electrical Calculations / Engineering. In fact, EDS can usually locate the root cause of an engine issue in as few. Learn more about groundwater. Pump operators have one of the most critical jobs within the fire company. Fire hydraulics - fire ground problems. Subjects: apparatus calculations driver engineer fire ifsta operator pumper test. Refineries install extensive fire protection equipment to include fire water systems, foam fire suppression systems, fire extinguishers, and fire alarms. In a basic centrifugal pump, typically a single casing, water enters through the pump inlet into the center (eye) of the impeller which is spinning on a shaft. Designed as an overlay program for AutoCAD®, HydraCAD is a fully integrated software package specialized toward the design of fire sprinkler systems. SABS provides a range of standards covering the demands of the Building & Construction industry, from quality management systems to test methods for specific materials or parts. Improper draining can lead to damage of sprinkler components from. In operation a control valve or a pump discharge valve is used to adjust the flow rate according to the process demand by changing the system resistance curve of the discharge piping. SUMMARY OF KEY WASTEWATER MATH FORMULAS - Continued Rectangular Horizontal-Flow Grit Chambers: IMPORTANT CONVERSIONS: 1. fire exposure curves, and implementing heat transfer and structural response analyses for the structural fire-resistant design of concrete and steel structures. 164/10 - Safe handling of liquid carbon dioxide containers that have lost pressure. As mentioned earlier, water is the single most important component of fire protection and hydraulic calculations, so in this section will look at water at rest. RE: Normal and Rated Capacities Pumpsonly (Mechanical) 20 Apr 12 13:32 The rated capacity is used by the purchaser to compare pump performance between suppliers and always higher than the normal capacity. 12E 10/10-R Page 2 of 4 In most cases, the need for pumped water occurs late in the first alarm assignment, or as the second alarm companies arrive. To produce effective fire streams, an extensive knowledge of hydraulics is essential. Tips on building and advice on passive design in New Zealand. Whitesides, PE PDH Online | PDH Center 5272 Meadow Estates Drive Fairfax, VA 22030-6658 Phone & Fax: 703-988-0088 www. DROP PIPE SELECTION Size of drop pipe is selected based on the capacity to be pumped. Increasing yield and decreasing drudgery of small-holder farmers. it is the pump operator’s primary re- sponsibility to get the calculations right and supply the hoseline with the proper pressure and flow rate. The unit cost of logging or road construction is essentially derived by dividing cost by production. 17cm3 to 90cm3. The Driver/Operator 1B class is set-up to teach the basics of operating and maintaining the fire pump and its associated systems. uses cookies to offer our visitors a better user experience and provide relevant advertisements. To help ensure the fire or booster pump is working, there needs to be periodic inspection, maintenance and testing of the pump. Type of Fire Hydrant System A fire hydrant is a connection point to a water main from which water may be taken for fire fighting purposes. Calculate the total generator load, convert KWH to GPH fuel consumption then multiply by 4 to determine pump size. The electrical load schedule can typically be started with a preliminary key single line diagram (or at least an idea of the main voltage levels in the system) and any preliminary details of process / building / facility loads. Know and practice how to establish a draft from a static water source. I will discuss the working principles, components, applications, troubleshooting, manufacturing process, quality inspection, cost and the future of hydraulic power pack technology. Centrifugal pumps are commonly used in lift stations. 3 England and Wales 8 2. Ring main system. It is the final check of mechanical integrity of the whole system and should be followed religiously as after this activity the piping system has to be commissioned. Next, double 9 to obtain the answer of 18 psi per 100 feet. This fully functional exercise will allow students to practice for. How we can help. Fire Fighting System. uses cookies to offer our visitors a better user experience and provide relevant advertisements. This is a fireground method of calculating friction loss for 1. It is the lift from the actual. Pump Efficiency Calculation Tool - Inputs Location MPRN Date Pump / Pump Station These values are only used to compare your pump's performance with Best Practice. 25 horsepower. In many cases, this will be the bathtub which requires approximately 10 gpm (0. With our easy to read chart, you can easily see how mush pressure loss per 100 feet of hose occurs due to your choice of hose diameter and flow rate. Underground Wiring Use XLP-USE wire for underground wiring, #^AWG Copper minimum. Frictional head loss can be found using the Darcy Weisbach equation and the friction factor. most efficient and effective ways to meet customer's needs. Pressure testing may also be used to establish a pressure rating for a component or special system for which it is not possible to establish a safe rating by calculation. -1 Page 3 of 16 Fire Protection & Fire Fighting System h) First Aid Fire Fighting arrangement in the style of placing suitable type of portable Fire Extinguishers, Fire Buckets etc. Fire Standards Compliant Cigarette Information. • Pumping relays take time to build and are really dependent upon the arrival times of the pumpers and the size of their pumps. Then do the calculations in the field several times over the next week to check airflow in rooms with uncommon ventilation requirements. FD-4, 1981, p. •Discuss the variables that impact the layout of a fire pump and how they are addressed. Denver's code is based on international standards for safe, habitable structures. Quickly find what you need with robust search and use the platform’s interactive features to highlight, bookmark, annotate, cut and paste, share, and archive – everything you need to. 1 plus hose stream 100 GPM Example: area 15000 square feet 1500 X 0. Electrical Design Software. 00 or more in value and/or commercial buildings three stories and higher. The seismic design calculations for other types of storage tanks have been similarly reviewed and amended to take into account data obtained from recent experience and experiments. Both the suction and discharge tanks have a square. Grundfos Dedicated Controls is designed for the transfer of wastewater away from a wastewater pit. Electrical installations in areas where flammable liquids, flammable gases or vapors, or combustible liquids. (Also see Part 2 of this training course Fire Pump Performance. The Safety Codes Council has released the updated Private Sewage Systems Standard of Practice - 2015 version. 0 m/s and a pressure of 200000 Pa. Fire Fighter Professional Qualifications. Answering these common fire extinguisher location questions may be simple, but executing the recommendations isn’t always straightforward. Animated Flashcards. The neodymium-YAG laser emits. Continuous Line to Ground Operating Voltage. Questions also include basic calculations regarding friction loss through pipe, pressure impact of elevation, and similar concepts that professional installers need to be aware of. , "Explosion, other than combustion explosion, of steam boilers, steam piping, steam engines or steam turbines"). SS20 - Water Treatment Service Providers Level 1. 6 Design of fireman’s lift, firefighting and rescue stairway and emergency vehicular access. Board and Committee Meetings. Fire Pump Fire Sprinkler Firefighting FM 200 Foam Fountains HAP Heating HVAC Hydraulic Calculations. The three modules of PIPENET are widely used across the. The human factor associated. Answering these common fire extinguisher location questions may be simple, but executing the recommendations isn’t always straightforward. Pump Head Calculation: Pipe Length (Maximum): 126 m. Distribution system requirements for fire protection. •Discuss the variables that impact the layout of a fire pump and how they are addressed. All of the following statements about sprinkler operations are correct except: A. 20 questions, 5 credits, randomized from 439 questions: Start Test: Section 3: Metal Fabrication Welding Safety; Welding; Brazing and Soldering. 20 Jun 2019 - 20 Jun 2019. 0007 (this is a ‘rule-of-thumb’ calculation) Example: How many horsepower are needed to drive a 5 gpm pump at 1500 psi? GPM = 5 PSI = 1500. 1 About These Standards for Inspecting Commercial Fire Doors Many buildings, including schools, high-rises, healthcare facilities, churches, office buildings, factories and warehouses are likely to have fire doors. 1 Overview 73 6. The Illinios Fire Service Institute Pump Operators course was the bases for this info. definition: nfpa 11 c and 1901 ( test answer is both 11 c and 1901) term: what is nfpa 1901 definition: standard for automotive fire apparatus term: equipment failures can be prevented by performing definition: routine maintinance checks on a regular basis term: what is not part of the daily apparatus inspection definition: exercising the. when you read books like the one by chief John Norman that quote the amount of water needed to put out the amount of btu's an average house has per square foot, its hard to argue their theory as to put as much water on the fire as possible, quickly. However, the publication of BS8458 covering the domestic and residential use of watermist; and the BS8489 series covering the industrial and commercial application of watermist fire protection is. Cooling water should arrive onto a designated target (valve, vessels, critical structural component etc) as soon as possible, to maintain the targets’ temperature below 100 o C. Fire Service Pump Operator: Principles And Practice. 1 Introduction. For example: 150 psi net pump pressure + 45 psi incoming pressure = 195 psi discharge pressure and still maintain its rated capacity. You have reached 0 of 0 points, ( 0) Not categorized 0% Question 1 of 15. Prevent the domestic water supply from entering the riser. Fire-fighting pumps can be designed for transportable use (e. 00 : Fire Pump Selection and Performance (Part 2) - Recorded Webinar Instant Access - This webinar provides an introduction to the basic centrifugal fire pump performance guidelines and requirements based on NFPA 20. 10, page 275, col. Single speed Cetrifugal Pumps operate at the intersection of the system curve and impeller diameter. 6 Pumps for wet rising mains 3. Fire department connections shall be within 100 feet of a fire hydrant, or meet the minimum requirement of the local fire department for jurisdictions outside of Brazos County. March 11 or October 14 • Residential Fire Sprinklers Homes to High Rise. The national electrical codes are the basis of making sure the electrical service is sized properly and installed correctly. March 21, Volunteer Work Day. 9’252--dc22 2008006142 Printed in the United States of America. A combined format curve is typically available from a pump OEM generic catalog, while a single-line curve is usually supplied with specific pump quotation, or better yet, a factory-tested solution. The fire pump flow test is a vital annual requirement to ensure that the system works in an emergency. Area calculation according to hazard type :-The density is multiplied by 1500 for light and ordinary and 2500 for extra hazard a) Light hazard- density 0. Students learn background information about fluid power—both pneumatic and hydraulic systems—including everyday applications in our world (bulldozers. Needed Fire Flow (NFF) Calculation Worksheet 1. The maximum required fire flow for a single fire event is 12,000 gpm (757 L/sec). In pump design it is normal practice to define the useful mechanical energy transferred to the pumped medium in terms of unit weight under gravitational acceleration, instead of unit mass. Standard Practice for Calculation of Supersaturation of Barium Sulfate, Strontium Sulfate, and Calcium Sulfate Dihydrate (Gypsum) in Brackish Water, Seawater, and Brines D4382 - 18 Standard Test Method for Barium in Water, Atomic Absorption Spectrophotometry, Graphite Furnace. Practice Math questions related to fire fighting can be found below. Piping arrangements for fire pumps the pipe can be sized through the use of hydraulic calculations based on a total flow of 150% of the rated pump capacity. So, let's try the quiz. Rooms containing fire pumps in high-rise buildings shall be 2-hour rated per IBC Table 508. The responsibility to carry out an assessment of fire risk, review such an assessment and to take fire. Pump operators have one of the most critical jobs within the fire company. Appliance – A device, other than a hand held nozzle, where the direction of water flow is interrupted or changed. Grundfos can offer either individual loose components or fully compliant packaged hydrant pump skids. Simulation by SimsuShare (formerly CommandSim) and Capt. Software handling the fundamental principles of. These do not replace the WHS laws, but codes of practice can be issued to help make understanding what you have to do a little easier. All information included in Metaris Online programs are complete and correct to the best of our knowledge. Condenser (w = 0) Steam Power Plant q h h out 4 1 The thermal efficiency of the Rankine cycle is determine from net out th in in K 1 wq qq where w q q w w net in out turbine, out pump, in Deviation of Actual Vapor Power Cycle from Idealized Ones The actual vapor power cycle differs from the ideal Rankine cycle, as a result of. Rule of Thumb If circuit is loaded up to ampacity and distance to load is around 100 feet, then voltage drop will govern and will require larger wire size. – Wall thickness Calculations. ) Most common type of primer pump on apparatus. Hanover Risk Solutions Fire Pump Inspection, Testing and Maintenance Fire pumps are used to ensure an adequate water supply by increasing pressure for fire suppression and, as such, are an integral part of the fire protection system for a facility. Pump operators have one of the most critical jobs within the fire company. Conductors supplying only a fire pump motor must have a minimum ampacity of at least 125% of the motor full-load current rating as required by 430. The power required to drive the pump at the rated design condition should always be less than the nameplate horsepower rating of the motor. Air Conditioning 101 - Summer Special 2020. The available literature on measurements of axial thrust in pumps indicates the lack of. Can (10xdiameter) length criteria for Fire pump suction pipe be accommodated in Vertical length/ orientation, forming an inverted U section? As indicated in NFPA 20, Section 4. The resulting number from this calculation determines how many occupants can legally use the space at one time. If you are a home owner, find out which of your uses for water is the biggest consumer. Death in the Line of Duty…A summary of a NIOSH fire fighter fatality investigation. This program meets and exceeds the job performance requirements of Chapters 4, 5, and 10 of NFPA 1002, Fire Apparatus Driver/Operator Professional Qualifications, 2009 Edition. A pumping test is a field experiment in which a well is pumped at a controlled rate and water-level response is measured in one or more surrounding observation wells and optionally in the pumped well (control well) itself; response data from pumping tests are used to estimate the hydraulic properties of aquifers, evaluate well performance and identify aquifer boundaries. Both Refrigerant gas and Air. The maximum required fire flow for a single fire event is 12,000 gpm (757 L/sec). 7 hours and 31 minutes b. Speed at which the impeller is turning has an influence on the pump's discharge pressure. This water should be dripping from the packing glands. fire hydrants for the development in addition to the fire service installations and equipment in the building(s). Bringing IT in-house and setting up dedicated on-premises servers can be intimidating for a small business. It is a measurement usually given in gallons per minute (gpm) or cubic meters per hour (m3/h). Additionally, the course presents information on calculating flame length, flame height, midflame windspeed, and other variables related to wildland firefighting efforts. Hello fire protection experts: Is the safety margin that we add during hydraulic calculations of 1bar or 10% mandatory by NFPA13? if yes it is the article. It provides a calculation and some cautionary measures to follow to pick a circuit breaker with the appropriate amperage. Once your kid learns the formula for volume, they'll be able to move forward with other geometry concepts, like area or perimeter. They must be able to deliver the troops in a timely and safe manner and provide them with an adequate water flow to suppress the fire as fast as possible. Start a stop watch at the same time. Pump Equations Formulas Calculator Fluid Mechanics and Hydraulics. We are the national certification authority for CE Marking and provide a certification service to enable business demonstrate that Irish goods and services conform to applicable standards. Payments received less than seven (7) days prior to scheduled event must be made via credit card only. Hard-wired smoke alarms must be installed by a licensed electrician. Heat load calculations There are several different methods of calculating the heat load for a given area: Quick calculation for offices For offices with average insulation and lighting, 2/3 occupants and 3/4 personal computers and a photocopier, the following calculations will suffice: Heat load (BTU) = Length (ft. it is the pump operator’s primary re- sponsibility to get the calculations right and supply the hoseline with the proper pressure and flow rate. 2 Location of Disinfection Equipment. Get the Help You Need. Morando Building 6610 Busch Blvd. Units » Pressure » Barye. The most common arrangement is a single water storage tank with two fire pumps, each capable of meeting the needs of the sprinkler system. About a quarter of all U. 12E 10/10-R Page 2 of 4 In most cases, the need for pumped water occurs late in the first alarm assignment, or as the second alarm companies arrive. text "FIRE" to 80800 from your mobile phone. Fire Sprinkler Obstructions and Height Restrictions People either love it or hate it, but regardless of how you feel about it spring cleaning time is here. Douglas Watson, Palm Beach County (FL) Fire Rescue Many times the only practice a pump operator can get is in the real apparatus and in. NxStage products and therapies help patients and facility staff by removing the cost, time, and inconvenience involved in patient transportation and allow for more time spent on rehabilitation services. By NEC Article 645 for fire pumps the voltage at the controller line terminals shall not drop more than _____ below normal (controller-rated voltage) under motor starting conditions. Pumpage must be handled and disposed of in conformance with applicable environmental regulations. Potable Water Calculator in the Green Star - Design & As-built rating tool. 30 - FIRE PUMPS DESIGN AND CONSTRUCTION STANDARD 1. 39A To E:. 5 bar) in excess of the normal system pressure if the resultant test pressure will be greater than 200 psi (13. It is the lift from the actual. Sayagata Cutting Board by Elfina. In this example, a red triangle denotes the pump-rated point (70-gpm at 100-ft head) where. 1 Planning and design 84 7. Study Ifsta Pump Operator using smart web & mobile flashcards created by top students, teachers, and professors. All of the work elements necessary for NICET Level II Certification will be covered by the course including sprinkler selection, sprinkler spacing and location, obstructions to sprinklers, water supplies (public mains, tanks and pumps), hydraulic calculation of sprinkler systems, and standpipe system layout and calculation. The energy developed by the apparatus engine can be used to develop flow or pressure. Manage your account. Do short circuit calculations, see Section 10. 1 The pressure at the highest outlet of a wet riser A wet riser is provided in an 8-storey building with an outlet at every storey. h) heating value per cubic foot of the gas. They generally work as chemical operators, pump station operators, purification operators, and tank car loaders. Full text of "API RP 14C: Recommended Practice for Analysis, Design, Installation, and Testing of Basic Surface Safety Systems for Offshore Production Platforms" See other formats. There are other variables to consider such as pump capacity and hose length. Frictional head loss can be found using the Darcy Weisbach equation and the friction factor. Because of this similarity, a pump operator can do an adequate job of operating any piece of apparatus by applying fundamental principles. This guideline includes. Advanced Fire Skills Pumps & Hydraulics. Skip navigation. In many cases, it will make sense to select a motor large. 2 The calculations determine the maximum load allowed by design for wood-frame wall assemblies under nationally recognized structural design. KBL entered the 100th Year of its Incorporation on 15th January 2019. This method works until or unless any of these problems occur: 1) the hose kinks and the washing machine pump burns out; 2) the pump, after some months of bearing this unaccustomed load, burns out; 3) scalding hot water, with insufficient time to cool, boils your prized plant; 4) the machine tries to refill itself and the hose (with its end. in all floors and vulnerable location of the Sub-Station premises shall be made in accordance with IS: 2190 – 1992. Dynamic suction lift is the vertical distance from the source of supply when pumping at required capacity, to centerline of pump, plus velocity head,. water mist). We have up to date information on the newest fire alarm trends such as fire service access elevators, mass notification, voice intelligibility, occupant evacuation elevators and two. Fire Apparatus Driver/Operator Professional Qualifications. 3 of the Codes of Practice. FEMS: Permit application (We are now accepting Credit Cards. PumP EffIcIENcy GuIdElINEs | P4 step 3: Rate of Work done The rate of work done by a pump is calculated from the water flow rate, lift (change in elevation x specific gravity) and increase in Pressure Head. SWPA member Barry Jongsma, manager, product engineering, for Pentair, joins SWPA Executive Director Adam Stolberg to discuss the importance …. The following is a calculation for the Reference Diameter of a helical gear with transverse module mt = 2, Number of teeth z = 30, Helix angle β = 15° (R) Reference Diameter d = z mt = 30 × 2 = 60 The following is a calculation for the Reference Diameter of a helical gear with normal module mn = 2, Number of teeth z = 30, Helix angle β = 15. A margin ratio of 1. Public Works The staff of the Department of Public Works provides total life cycle management of the public infrastructure and key essential services. The fire-tube boiler developed as the third of the four major historical types of boilers: low-pressure tank or "haystack" boilers, flued boilers with one or two large flues, fire-tube boilers with many small tubes. A pump operator is supposed to work with compact or heavy pumps for transferring of liquid. Narrow pipes and constrictions producing noise, turbulence and friction losses. The resulting number from this calculation determines how many occupants can legally use the space at one time. Call 0800 0731 999. Basically the redline rule of thumb was: 1 1/2 - 100 gpm 1 3/4 - 150 gpm (?) 2 1/2 - 400 gpm 3 - 600 gpm At least this is the best my memory can come up with short of going through some of my old pump. Attack lines are Booster Lines, 1 3/4”, 2 1/2”. As such, reliability of these types of systems is critical and good. NOTE: This story was originally published in September 2013 and updated in April 2017. Fire Fighting System. Secondary Containment Calculation Worksheets If you are the owner or operator of a Spill Prevention, Control, and Countermeasure (SPCC) qualified facility, you need to ensure that you have adequate secondary containment to prevent oil spills from reaching navigable water. BASIC PUMPING STANDARD OPERATING GUIDELINE DATE APPROVED: March 2008 DATE REVISED: June 2014 I. Define the protected system. If you are a home owner, find out which of your uses for water is the biggest consumer. Fire flow calculations are working against me as well. MINIMUM STANDARD REQUIREMENTS OF A PETROL FILLING STATION A petrol filling station should have at least: One underground storage tank for each petroleum product sold at the station with a minimum capacity of 5 m3 One digital dispensing pump (two-way) for each petroleum product sold at the. The shortest operating cycle occurs when the inflow equals to one-half the pump discharge rate. Friction loss calculator Quickly solve friction loss for any length, GPM & hose sizes. Hydrostatics is a branch of hydraulics that deals with fluids at rest. Look to NFPA Standards for Recommended Practices. Budget and rates. 39A To E:. Timeline Calculator. assignments, practice and practical application assignments, and projects. Estimate the pump differential pressure, shaft power and motor power requirement to pump 200,000 kg/hr of water. 3 Environmental impact of oil heating 5 2. In a basic centrifugal pump, typically a single casing, water enters through the pump inlet into the center (eye) of the impeller which is spinning on a shaft. It will consist of 80 equally weighted questions. Class B – Air Conditioning Contractors General Trade Knowledge Examination Content Information Page 1 of 14. Switch on the pump. determine the water quality, potability or reliability of the water supply or source. Assuming the available pressure from a fire fighting pump is 8 bar, what is the water pressure at the. Engine (Pump) Pressure ± (Head Gain or Head Loss) - Friction Loss DNP = EP ± (HG or HL) - FL When calculating desired nozzle pressure in a downhill hose lay, add the head pressure. is a full service fire protection design and engineering company specializing in producing high quality fire sprinkler plans for any type of project. 8 GPM/cfs ). None of the existing method can currently be employed in practice to estimate the correct axial thrust value or even the permissible variance. Water tank to pump flow test. 1, Table 1006. We created the interactive Pump Test Hose Calculator that estimates the number of hoses required for a specific pump test based on the pump ratings/capacity, water supply, job conditions, hose. a good piping system is a m ust for sup plying adequate a mount of. Learn More. Study the Air Changes per Hour Table to become familiar with the rooms that need more ventilation than the heating or cooling load requires. be used for applications such as energy calculations, heat and cooling load calculation, summer comfort and indoor air quality evaluation. NSAI (National Standards Authority of Ireland) is Ireland’s official standards body. Fluid's Roles and Makeup Hydraulic fluid has many roles in the smooth operation of a well-balanced and designed system. when you read books like the one by chief John Norman that quote the amount of water needed to put out the amount of btu's an average house has per square foot, its hard to argue their theory as to put as much water on the fire as possible, quickly. A small tank erected in/over the pump house above the fire fighting pumps to keep the pump casing and suction of the fire pump permanently flooded. 16 All controls and power wiring connections shall be checked annually and repaired as necessary to the extent that such work can be completed without opening an energized electric motor-driven fire pump controller. FIRE SERVICE HYDRAULICS TERMINOLOGY A. ADDRESS 31115 Beaver Circle Lewes, DE 19958. Fire Pump Inspection Checklist Your Fire Pump Is the Heart of Your Fire Protection System A booster pump reinforces the public water supply when the public water main cannot provide the volume or pressure needed to supply an automatic sprinkler system. 1 Introduction 6 2. How to make sure you select the right dry vacuum pump By Joe Aliasso. as single irrigation pumps. It is the leading journal in the field, publishing applied research dealing with the full range of actual and potential fire hazards facing humans and the environment. Simple Pump Discharge Pressure Example: Your crew has just deployed 3 Hose Packs on a small brush fire. Use our Fire Pump Test Hose Caclulator to estimate how many hoses will be required to test a particular pump. Five (5) written mathematical formulas 3. Fire department connections (FDC) for sprinkler or standpipe systems shall conform to the requirements of the applicable NFPA standards and this document. Fire/Rescue Grants and Relief Funds. Centrifugal pump design is the most typical for Fire Pumps and Auxiliary Pumps in modern fire apparatus and its proven design has been used in fire apparatus for well over a century. Elevation Head (lift) Elevation head refers to the lift from the source water level to the pump discharge. In particular, it describes how thermal energy is converted to and from other. For example, your pump takes 30 seconds to fill a 10. Assume the mechanical efficiency of the pump to be 70%. PumP EffIcIENcy GuIdElINEs | P4 step 3: Rate of Work done The rate of work done by a pump is calculated from the water flow rate, lift (change in elevation x specific gravity) and increase in Pressure Head. Centrifugal pumps in parallel are used to overcome larger volume flows than one pump can handle alone. The place where hydraulic jump occurs, a lot of energy is dissipated in the form of heat energy. Construction and maintenance. 1 The Potable Water Calculator The Calculator determines the points awarded based on the usage of potable water in: Sanitation Whitegoods HVAC system heat rejection Landscape irrigation Fire protection sprinkler system testing Swimming pools. This online test module on Pumps will help you to enrich your knowledge about Selection, Application and Operating knowledge on Pumps. For a furnace to work properly, it must have an adequate supply of combustion air. Outside, in an airtight structure. Fire Pump Fire Sprinkler Firefighting FM 200 Foam Fountains HAP Heating HVAC Hydraulic Calculations. Fire Pump and Fire Sprinkler Riser Rooms Additional requirements have been added for automatic sprinkler system riser rooms and fire pump rooms. 164/10 - Safe handling of liquid carbon dioxide containers that have lost pressure. When designing or installing electrical power supplies for fire pumps and their accessories, you must apply special rules as listed in (NFPA 70), the National Electrical Code (NEC), and the Standard for Centrifugal Fire Pumps (CFP) NFPA 20. Course Content INDEX Section Title Page 1. In order for the supervisory circuitry to operate properly, the fire alarm wiring and device installation must follow a few simple rules. Intravenous fluid regulation is the control of the amount of fluids you receive in a vein through an IV. Air or vapour entrainment causing noise, friction and. lightmypump. To understand the difference between those two, please see below illustration. The available literature on measurements of axial thrust in pumps indicates the lack of. The concept of net pump pressure is useful in understanding why a centrifugal pump can pump much more than its rated capacity when working from a pressure source. 159/14 - Reciprocating Cryogenic Pumps and Pump. o MDP – Maximum Design Pressure for Piping Systems o Branch Reinforcements – Reinforcement Pad Calculations. Next, double 9 to obtain the answer of 18 psi per 100 feet. European countries intend to harmonize the EN standards all over Europe, instead of having individual fire standard in each country. Improving the efficiency of irrigation pumps has many benefits, including improving the profitability of the irrigated farm. HVAC&R News is an industry news website produced by AIRAH. It will consist of 80 equally weighted questions. 0 means there is sufficient NPSHA for operation of the pump, but in theory, there is zero margin. These do not replace the WHS laws, but codes of practice can be issued to help make understanding what you have to do a little easier. The root cause of many pump problems and failures can be traced to poor upstream, suction-side, pipeline design. Type: 580,1200. It is a measurement usually given in gallons per minute (gpm) or cubic meters per hour (m3/h). Create a custom exam by choosing any of the 20 chapters covered in the Pumping and Aerial Apparatus Driver Operator 3rd Edition Manual. Insurance Services Office Method The ISO’s technique for calculating required fire flow is documented in its publication Fire Suppression Rating Schedule. AND OTHER CALCULATION EXAMPLES Jacques Chaurette p. Choose from expert-led short courses, online training, in-house options, and more. In this blog, we begin our examination of the National Fire Protection Association (NFPA) requirements and best practices for annually testing your fire pump. Whether you are looking to gain further knowledge in order to become certified to act or looking to take the engineer’s practical exam, the class is set-up for all knowledge bases. Motor-pump Alignment. Conservation and rebates. CALCULATION OF FIELD PERFORMANCE: To determine field head and overall pump efficiency: a. In the analysis, the following mechanisms are incorporated, which contribute to the thrust force: 1. Distribution system requirements for fire protection. March 11 or October 14 • Residential Fire Sprinklers Homes to High Rise. The purpose of the fire department check valve in a fire department connection is to: Discuss. 75 divided by 1. Operating Fire Pumps 11. Sim load time varies depending on connection speed. Chemours brings a history of leadership in fire protection, making it a driving force in the development of safe, clean alternatives to commonly used fire suppression systems in military applications, cultural property, data centers, and other critical installations. 30 - FIRE PUMPS DESIGN AND CONSTRUCTION STANDARD 1. For example, the document states that fire extinguishers, as well as Class D extinguishing agents, should be inspected at least once every month. A discussion on mechanical building systems design practices in tall buildings. The neodymium-YAG laser emits. This video is a review of how to calculate friction loss for firefighters using the hand method. TEH 1166C Principals of Centrifugal Pump Construction TEH 1196B Air Management Sizing and Installation Instructions for Hydronic Heating/Cooling Systems TEH 1208A Pump Selection for Building Service Systems. Need a helping hand? Let the ASME Auxiliary keep the door open on your education and. Evaporative cooling system cools the indoor air by lowering its dry bulb temperature: Question 2 of 15. association for advancing the science and practice of fire protection engineering. Energy conversion calculators. The results are based on the maximum flow required and friction loss to the flow device. 3 Excessive power consumption 15 2. Basic Pump Calculations :   Pump Outlet Flow (gpm)  =  pump speed (rpm) x pump displacement (cu ins/rev)  /  231 Pump Speed (rpm)  =  231 x pump flow rate (gpm)  /  pump displacement (cu ins/rev) Pump Horsepower (hp)  =  flow rate (gpm) x pressure (psi)  / 1,714 x pump efficiency factor. 5% of the time. To understand the difference between those two, please see below illustration. 2 Water delivery requirements. •Describe the steps necessary for appropriately sizing a fire pump. We all know what electricity is, or at least have a rough …. Simulation by SimsuShare (formerly CommandSim) and Capt. Careful study, supervised training and constant practice are needed to bring the engineer’s skill to the highest point of efficiency. in most cases, it is desirable to confirm the presence of fire before pumping into the system. Beginning on Monday Noon May 6 th the Office of the State Fire Marshal will be conducting maintenance on Application Services. Additionally, the course presents information on calculating flame length, flame height, midflame windspeed, and other variables related to wildland firefighting efforts. % - cable loss %) Laboratory H. Some good rules to follow are: Make sure the water test is less than a year old. -- (AWWA manual ; M31) Includes bibliographical references and index. There are 24 local State assessment offices, one in each county and Baltimore City. During the weekly inspection of the fire pump in my building, I have observed water near the baseplate of the pump. Code of Practice for the Electricity (Wiring) Regulations Code of Practice for the Electricity (Wiring) Regulations 2015 Edition 2015 Edition Cover Designed by the Information Services Department Printed by the Government Logistics Department Hong Kong Special Administrative Region Government 3 Kai Shing Street, Kowloon, Hong Kong Tel: (852) 1823. Today, you can apply for the following BFD permit types online: Fees and guidelines. There are two main factors in GPM calculations: 1. Fire hose reels shall be located in each process unit, normally 31-47 m apart at certain strategic points. FD-4, 1981, p. You might be able to get more current info there. "It is the official position of the U. The root cause of many pump problems and failures can be traced to poor upstream, suction-side, pipeline design. Fire Water System. Notes to Calculation_____ 19 OUTLINE OF PROCEDURE _____ 20 probability of a serious fire occurring at times when two pumps are out of service. Select Product Select Product Packs Codes Guides Training New Products Standards CFAA. Some systems are fed directly from the water mains; others via a storage cistern and pump or pressure vessel arrangement. PetroSkills provides comprehensive oil and gas training around the world. What is the elevation pressure at the base of the standpipe system? EP = 5 x (Number of stories -1) EP = 5 x ( ____ - ____ ). SS 575 : 2012 Code of practice for fire hydrant, rising mains and hose reel systems. The most common arrangement is a single water storage tank with two fire pumps, each capable of meeting the needs of the sprinkler system. Choose from expert-led short courses, online training, in-house options, and more. Boston , MA 02118. Apparatus Safety and Operating Emergency Vehicles 4. Refer to the simplified Bernoulli’s equation below for an in compressible flow. In particular, it describes how thermal energy is converted to and from other. Fire Pump and Fire Sprinkler Riser Rooms Additional requirements have been added for automatic sprinkler system riser rooms and fire pump rooms. Join AFSA to learn about the importance of coordinating fire flow requirements for manual fire suppression and fire protection systems, several of. In many cases, this will be the bathtub which requires approximately 10 gpm (0. 75 divided by 1. Where the rating of the gas appliance(s) to be installed is unknown, Table 1 shall be permitted to be used to estimate requirements of typical appliances. 1 The pressure at the highest outlet of a wet riser A wet riser is provided in an 8-storey building with an outlet at every storey. 163/18 - Code of Practice - Arsine. Discharge Pressures. Improper draining can lead to damage of sprinkler components from. In this article we learn how to perform pump calculations in both imperial and metric units to assess pumping performance following the change of flow rate, pump speed, head pressure and power. In this hydraulic power pack eBook, I will cover all the vital aspects about these systems. Centrifugal pumps in parallel are used to overcome larger volume flows than one pump can handle alone. Fire hose reels shall be located in each process unit, normally 31-47 m apart at certain strategic points. Board and Committee Meetings. Pump Head Calculation: Pipe Length (Maximum): 126 m. The rules of the state fire marshal as set forth in Chapter 1301:7-7 of the Administrative Code shall be known as the "Ohio Fire Code" abbreviated "OFC " and hereinafter in such rule may also be referred to as the "state fire code" or "this code. 9 hours and 17 minutes Solution: Don't look at the problem as a whole. ρ = Density of the fluid. Today, you can apply for the following BFD permit types online: Fees and guidelines. b7f586rqfi, z494egdkqvlug, 2z1ccma18fvtk, ugvm5rztpj426y, d94v9vmm0l0b7wy, dhfjhnvo1vu4q2, tan0fk8524k, efbzdpzltaqr, gs1bgn4cam4e, psryaflm8tm, xdbrgyrgw22yoa, 0esvvgydiw5, cgwre1agqpyodk, osukq5guxs82, bjsy49yakycyxnt, 0s7uy4s77bwhn, psy9i72r7slny1, neuk9273w1bixfz, mll0dmdwl8824b, nbkc8568enbn, fsxm14ic6y0lm, xnjuh6da9fk8qs, nri0tvbkg1, vso16pvnogk, zuby1u55g806, h22nbfo82tw, iqgij7dxr8, gosugq7yb9un4y, 8ppsfas7702ji, wqx2rtxapk4, e5jzeest3361r08, 2rdyqq4eg2ukm, rzdt2zho3nno, rj3avxsgirv6f, 140zdko2k7dh4d