Fire Pump Calculation Practice

Kids play in cars or wander outside and get into a car and can die in 10 minutes! A reported 51 young children died in. 38 Fire Pumps (two stage - volume) Pumping in the parallel (volume) position ; When the transfer valve is in the volume. 8, and replacing with the following: [Utah State Amendment-15A-3-104(1)] 4. Here’s Really How You Should Be. 21 Where should a cooling tower be installed? A. This measurement is used in trenchless construction projects to specify the size of a slurry pump or associated equipment on the tunnel boring or. 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. The HVAC industry continues to grow and develop, having undergone significant changes within the past decade. Such items as pump design, suction piping design, suction and discharge pipe size and pipe supports must all be carefully considered. 3 PLASTIC PRESSURE PIPE 6 1. 1 plus hose stream 100 GPM Example: area 15000 square feet 1500 X 0. 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. 160/15/Corr - Code of Practice - Silane. Hose diameter is the most important factor in determining volume of water delivered. View our chart to learn about theoretical friction loss in fire hoses. Use our Fire Pump Test Hose Caclulator to estimate how many hoses will be required to test a particular pump. 0 m/s and a pressure of 200000 Pa. 5 10 15 20 25 30 50 100 All. Electrical Rigid Metal Conduit - Steel. fire hydrants for the development in addition to the fire service installations and equipment in the building(s). This pump operates the same way as the piston pump except that, in place of a piston that moves in a cylinder, a flexible diaphragm moves back and forth in a closed area. 3 Excessive power consumption 15 2. General Provisions 3. Estimate the shaft power and motor power requirement to pump 200,000 kg/hr of water available at 25 0 C and atmospheric pressure from a storage tank. 06 Jan 2020 - 06 Jan 2021. The main objective of the SOLAS Convention is to specify minimum standards for the construction, equipment and operation of ships, compatible with their safety. Design recommendation for sloshing phenomena in tanks has been added in this publication. Two (2) mental formulas for calculating friction loss on the fire ground SM Pg 2 PRESENTATION: I. 5) TPL 36 PDP 10036 PDP 136 8 Calculating for Pump Discharge Pressure Selectable (Change Flow Setting) or Automatic 150 gpm at 100 psi NP on 150 ft. Lift station capacities range from 76 liters per minute (20 gallons per minute) to more than 378,500 liters per minute (100,000 gallons per minute). 0 of 20 questions answered correctly. 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. Published on Jun 29, 2014. 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. Published on Sep 23, 2017. Determine the pump discharge pressure in the hose layout when a fire department pumper is supplying two 3" hoselines with 2 1/2" couplings, each 200' long. D2248 - 01a (2018) Standard Practice for Detergent Resistance of Organic Finishes. 3RD RELEASE OF CHANGES/AMENDMENTS TO FIRE CODE 1997 The Fire Code Review Committee, which comprises representatives from *SIA, IES, ACES, REDAS, SISV, HDB, JTC, NTU, NUS, BCA, LTA, IFE, PSA, PSB Corp and SCDF, met monthly as from 7th Dec 1999 to review the Code of Practice for Fire Precautions in Buildings 1997 or Fire Code 1997. 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. 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. Find breaking EMS news and video, supplies, jobs & more on EMS1. It is a measurement usually given in gallons per minute (gpm) or cubic meters per hour (m3/h). xlsx), PDF File (. 5 95 22 11 5 100 25 12 6 3 1 125 37 21 10 4 1 150 54 26 13. Reproduction by printing or photostatic means is only permissible with the consent of DNV GL SE. (1,000,000 x 100% x 82% x 30. of Finite element calculations using the ABAQUS software package [3]. 3 For ABC Waters design. pdf) Fire Officer Program. 3 Displacement Vg, sizes for powerpacks range from 0. 3 Environmental impact of oil heating 5 2. Format: Individual and large group discussion Materials Needed: Thirtymile Fire Incident and the Mark 3 Pump (an excerpt from the Thirtymile Fire. FERTILIZER CALCULATIONS AND PRACTICE QUESTIONS Neil Mattson, Ph. Horsepower Required to Drive Pump: GPM x PSI x. Fire alarm circuits must be tapped ahead of main breaker with a separate panel. In order to calculate the hydraulic Pump Flow rate Q (l/min), you must enter the following figure 1 Pump Speed n, for AC Motors this is commonly 1450 or 2850rpm 2 Pump Efficiency, for hydraulic power pack pumps this is in the range 0. If you would like to join the GSHPA then click: Join us in the GSHPA. Volume = length x width x height. What’s new is fire pumps,. 35 kg/crn2 and stop when the system pressure is re—established. Get the Help You Need. Click to Rate "Hated It" Click to Rate "Didn't Like It" Click to Rate "Liked It" Click to Rate "Really Liked It" Click to Rate "Loved It" Add to folder [?] Introducing Cram Folders! Find out how you can. For example, your pump takes 30 seconds to fill a 10. Here’s an example calculation using the compressed air pipe sizing table (table 1) and the equivalent pipe length table (table 2). Here’s Really How You Should Be. 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. In particular, it describes how thermal energy is converted to and from other. Chapter 8: Approaching the Fire Ground « Back to All Flashcards To use these Flashcards, you must have Macromedia Flash Player installed on your. If you're behind a web filter, please make sure that the domains *. Note! In practice the combined head and volume flow moves along the system curve as indicated from 1 to 3. So, let's try the quiz. 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. Here, you will find order forms or the. Power and Water's contractor, Yurika Pty Ltd and sub-contractors are working on site from 7am to 5. PetroSkills provides comprehensive oil and gas training around the world. 3 per cent would affect fuel prices at the pump, but not by much. Control rooms, telecommunications rooms, museum or store goods or property of. A discussion on mechanical building systems design practices in tall buildings. When multiple fault codes are indicated, EDS includes a link to the Fault Code Analyzer (FCA) that can help technicians find the root cause faster. Key performance parameters of water deluge systems The prime objective of a water deluge system is to cool equipment in a fire incident. Note: Obstructions include valves, elbows, "tees", and etc. All acceptance testing outlined in NFPA 20 shall. In order for the supervisory circuitry to operate properly, the fire alarm wiring and device installation must follow a few simple rules. Flag States are responsible for ensuring that ships under their flag comply with its requirements, and a number of certificates are prescribed in the Convention as proof that this has been done. What is Petrol Pump ? • The most common point of contact of customers with Oil Industry is the Petrol Pump. 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. 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. 5 10 15 20 25 30 50 100 All. 0 means there is sufficient NPSHA for operation of the pump, but in theory, there is zero margin. Start at 50 psi. Sample of the dry powder for metal fire may be tested on a small fire of magnesium turning or chips to ensure that the powder is suitable for metallic fire risks. 1 = 150+ 100 hose = 250 GPM pump b) Ordinary hazard- density 0. For example, the user programs an infusion rate of 10 mL/hour, but the device registers an infusion rate of 100 mL/hour. 5 Seal leakage 20. This page will list the best firefighting drills and great training ideas that are very popular in the firefighter community: 2020 Fire Training Toolbox. Electric Hydrostatic Test Pumps. Floriculture Extension Specialist phone: (607) 255-0621 email: [email protected] In this example, a red triangle denotes the pump-rated point (70-gpm at 100-ft head) where. Energy Efficiency Ratio (EER) - the ratio between the cooling input and output, for example 4. Need help getting started? Check our Quick start guide here!. General Provisions 3. Fire Service Pump Operator: Principles and Practice, is a modern integrated teaching and learning system for the fire pumper driver/operator. This verifies the ability of the system to function properly during a fire. You are standing at the pump panel. How to select a centrifugal pump Examples of total head calculations - sizing a pump for a home owner application 14. Explosive limit is a necessary particular concentration of gas or vapor to support its combustion with air. Energy use in commercial buildings. Calculation Methodology. 5 cents per litre for unleaded 95. For example, your pump takes 30 seconds to fill a 10. TOTAL HEAD, N. 6 as per IS Code 10262 (2009) for nominal mix (M10, M15 …. E-12 and the Wastewater and Storm Drainage Regulation, A. 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. Turn on the device, and it will start pumping water. Prevent water flow into the main drain. When you need to be sure that you will pass the right knowledge and the best pumping practises onto your people, here is a 3-day centrifugal pump PPT and pumping system training course and materials containing a centrifugal pump presentation that covers the use, design and maintenance best-practices that you want to have in your operation. FIRE UNDERWRITERS SURVEY. Select impeller in exactly the same manner as for lineshaft type pump. The refitting of fire pump and/or tanks were very costly for the owners. This calculation is based on an average US, non-vegetarian diet. Fire Administration that all Americans should be protected against death, injury, and property loss resulting from fire in their residences. Offered for the first time for NFPA 20, Tabs help code users find subject matter within the code, so you can maximize time as you work to ensure fire pump readiness and reliability. 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. 21 The accuracy of pressure gauges and sensors shall be inspected annually and replaced or recalibrated when more than 5 percent out of calibration to the extent. Software and Firmware. Unlike steam jet ejectors and liquid ring vacuum pumps, dry vacuum pumps do not require any working fluids to create a vacuum. com is the largest resource for anyone seriously interested in a fulfilling and challenging career in firefighting. This quiz has been developed to test your knowledge of fire apparatus pump operations. Quality Practice. In this blog, we begin our examination of the National Fire Protection Association (NFPA) requirements and best practices for annually testing your fire pump. With the myriad crucial jobs and applications for which submersible pumps are called upon, pump users need to trust they will perform reliably and efficiently. This Code of Practice shall be titled "Minimum Fire Service Installations and Equipment" hereinafter referred to as "The Code". The point estimate or average represents the conditional mean estimate, which represents our best guess within a range. This pressurization or positive pressure ventilation (PPV) tactic can assist in the venting of smoke and high temperature combustion products and make attacking the fire easier than without PPV. 2 Water delivery requirements. 39A To E:. The pump operates at 1,700 rpm. At 12:40, five minutes after the fire alarm sounded, the Unit 1 reactor operator noticed that all of the pumps in the emergency core cooling system (ECCS) had started. , Square D Engineering Services Introduction Emergency and standby power systems are designed to provide an alternate source of power if the normal source of power, most often the serving utility, should fail. – Wall thickness Calculations. Five (5) written mathematical formulas 3. Standard Practice for Preparation of Zinc-Coated and Zinc-Alloy-Coated Steel Panels for Testing Paint and Related Coating Products. the UK, permanently installed automatic fire sprinkler systems are used as a preventative measure to control fires, for both life safety and property protection. Where unavoidable, the part of the ventilation duct within the lobby shall be enclosed in construction with fire resistance rating at least equal to that of the elements of structure. Appliance – A device, other than a hand held nozzle, where the direction of water flow is interrupted or changed. Two (2) mental formulas for calculating friction loss on the fire ground SM Pg 2 PRESENTATION: I. The pump may handle hazardous and/or toxic fluids. Note! In practice the combined head and volume flow moves along the system curve as indicated from 1 to 3. SUMMARY OF KEY WASTEWATER MATH FORMULAS - Continued Rectangular Horizontal-Flow Grit Chambers: IMPORTANT CONVERSIONS: 1. Fire Hydrant Hose Friction loss: 5 mAq. All the best!. in most cases, it is desirable to confirm the presence of fire before pumping into the system. There may be intermittent disruption of service during this window of time. To obtain the cubic feet per hour of gas required, divide the input of the appliances by the average Btu (kW. Scope This standard establishes a guideline for pumping a fire apparatus. FIRE PUMP TESTING Fire pumps are a critical part of a fire protection system, especially when they are fed via suction from water tanks. Electrical Calculations and Formulas Voltage Drop Calculations Voltage drop is an essential factor in determining the correct wire size to prevent voltage loss which will occur in long distance runs of electrical wire or cable. When you design a pump system considering 2 or 3 parallel pumps, the connected piping (common suction, individual suction, individual discharge and common discharge) is designed with 2 or 3 parallel pumps. Also in Use of energy explained. 56°C) Units » Pressure » Kilogram Force Per Square Decimeter. However the world would have to wait until 1874 until the first automatic fire sprinkler system was fitted by American Henry S. • NFPA 20 Fire Pumps. Practice Math questions related to fire fighting can be found below. like rocks in the pump. 1 The Hydrant System shall comprise of AC motor driven pump set, standby diesel pump set, jockey pump set for pressurization and fire booster pump with all required accessories including valves, special fittings, instrumentation, control panels and any other components required to complete the system in all respects. Commissioning and maintenance of portable fire extinguishers. PUMP TEST RESULTS : Attach copy of fire pump flow test results to include voltage, current and pump speed r. Accessible street fire hydrant(s) shall be located or provided at a distance not greater than 100m from the building. 75 divided by 1. of the tank volume if a pump is discharging a constant 24 gallons per minute into the tank? a. 1 Fire pumps for use in wet rising mains shall be listed by a recognised institution. WATER SUPPLY FOR. During the weekly inspection of the fire pump in my building, I have observed water near the baseplate of the pump. 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 lift from the actual. Before sprinkler area calculations can be made, hazard levels throughout your building must be defined. Introduction to problem solving Centrifugal pumps. On a underground fire sprinkler main supplied by a backflow preventer, is it allowable to utilize a fire hydrant located on the main (located after the valve) to fulfill section 8. History of British Safety Standards for Fire Sprinklers. Taking the exam. 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. Target hydraulics assumes no liability for errors in data nor in safe and/or satisfactory operation of equipment designed from this information. Learn More. 4 Excessive noise or vibration 16 2. All the best!. In the analysis, the following mechanisms are incorporated, which contribute to the thrust force: 1. VARIABLE SPEED DRIVEN PUMPS-BEST PRACTICE GUIDE. During the first hour of the test, failure to pump within 10 percent of the test pumping rate for any reason will require termination of the test, recovery of water levels to static, and a restart of the test. 8 Pump and riser room size. 2 through 24. The power required to drive the pump at the rated design condition should always be less than the nameplate horsepower rating of the motor. All the best!. Know and practice how to establish a draft from a static water source. 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. Revised on November 17, 2010. 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. association for advancing the science and practice of fire protection engineering. Simply enter the fire pump and test information below. Types of supply Sprinkler systems can be connected directly to a mains water supply or there are a number of alternative designs that may include: connection to a pressure tank or vessel automatic fire pump drawing water from a ground floor storage tank. The exception to this is fire exposure scenarios, for which the allowable accumulation is 121% of the MAWP. Designed as an overlay program for AutoCAD®, HydraCAD is a fully integrated software package specialized toward the design of fire sprinkler systems. 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. Multiple voltage circuits in wireway. About ASSDA. MOTIVATION: Although there are numerous models and types of fire pumps used on fire department apparatus, most are designed to perform the same general function. 9 hours and 17 minutes Solution: Don't look at the problem as a whole. 3 of the Codes of Practice. Atmosphere around earth has depth and density - exerts pressure on everything on earth 2. At 12:40, five minutes after the fire alarm sounded, the Unit 1 reactor operator noticed that all of the pumps in the emergency core cooling system (ECCS) had started. Air in pump suction; as caused by tower pan vortex, pan drain down or faulty bypass. model seven stainless h-s. ” 35 30 Insert new Clause after Clause “8. Access the most up to date content in ISO standards, graphical symbols, codes or terms and definitions. March 21, Volunteer Work Day. Practical Design of Water Distribution Systems Jeffrey A. Recommended fire flow durations¶ to be used in the four methods are given in Table 1-1. The maximum flow can differ from the flow used for calculation of the diesel engine power. The water stream is available from a storage tank which operates at atmospheric pressure and 25 0 C. Versatile, quiet at operation, compact, reducing. WATER SUPPLY FOR. pdf) Fire Officer Program. The purpose of pump piping is to provide a conduit for the flow of liquid to and from a pump, without adversely affecting the performance or reliability of the pump. 75 divided by 1. Douglas Watson, Palm Beach County (FL) Fire Rescue. 1 No or low flow 7 2. Texas State Fire Marshal - Frequently Asked Questions Search Opinions Your search word can be almost anything - an FAQ number, industry, or other identifying term. determine the water quality, potability or reliability of the water supply or source. Common problems to avoid are: Insufficient fluid pressure leading to cavitation within the pump. This sample exam IS NOT ACTIVE!. We cannot design or install fire sprinklers for you. 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. The charge for an unmetered private fire protection connection is based on the potential demand which could be placed on the system due to that connection. What percentage of all fires in the United States are structural fires? In which of the following circumstances is it okay to stretch a hoseline without. It is the lift from the actual. However, we cannot assume any responsibility for errors. Refineries install extensive fire protection equipment to include fire water systems, foam fire suppression systems, fire extinguishers, and fire alarms. Some good rules to follow are: Make sure the water test is less than a year old. Calculating Pump Discharge Pressure. March 10 or October 13 • NFPA 25 Step by Step Testing. Your concerns are important. The range is a 75% confidence interval, where the 75% confidence interval is indicated by the lower and upper bound range estimates. Q= Quantity of steam generated (kg/hr) H= Enthalpy of steam (Kcal/kg) h= Enthalpy of water (kcal/kg). NICET Prep - Inspection & Testing of Water-Based Systems 3-Day Online; Fire Alarm and Detection Systems, 3-day - Carmel, IN (Indianapolis) Fire Pump Inspections & Maintenance, 3-day Carmel, IN (Indianapolis) Fire Pump Maintenance Training, 3-day Atlanta, GA; Fire Sprinkler Installation, 4-day Dayton, OH. Time has elapsed. 5) TPL 36 PDP 10036 PDP 136 8 Calculating for Pump Discharge Pressure Selectable (Change Flow Setting) or Automatic 150 gpm at 100 psi NP on 150 ft. 5 inch 5 inch 6 inch Hose Length (feet). Simulation by SimsuShare (formerly CommandSim) and Capt. $15, money order or personal check payable to “Fire Department City of New York“ to: FDNY (Cashier’s Unit) 9 Metro Tech Center, Brooklyn, NY 11201 Late renewals (90 days after the expiration date, up to 1 year) will incur a $ 25 penalty in addition to the renewal fee. This course is a sixteen (16) hour non-certification course intended to give firefighting personnel the basic understanding of fire department pump operations. of 1¾ hose PDP NPTPL TPL FL CQ2L TPL (15. Appliance – A device, other than a hand held nozzle, where the direction of water flow is interrupted or changed. lightmypump. Current CSR revision date: January 30, 2020. The ventilation and air tightness requirements (as IAQ, heating and cooling, safety, fire protection…) are not part of the standard. In this hydraulic power pack eBook, I will cover all the vital aspects about these systems. Practice Math questions related to fire fighting can be found below. The Driver/Operator 1B class is set-up to teach the basics of operating and maintaining the fire pump and its associated systems. 45 divided by 1. The Manual of standard building specifications has served since 1992 as the reference document on buildings used both internally by the Commission departments and by the Commission’s external partners in the Brussels property market. Calculation of hydraulic jump:. This ensures the fire brigade will have access to water remotely from the fire truck or from difficult/impossible to reach areas. Back to Basics W hen I left university, I found that I needed addi-tional information to turn my theoretical knowl-edge of fluid mechanics into the practical knowl-edge required to specify a pump. •Describe the purpose of the various components of a fire pump and driver. Core losses is greater than the copper losses. Together, both sets of programs collect and disburse over $12 million annually. 18, indicates that the wet well shall be sized so that the cycle time for each pump will not be less than five minutes or that the average cycle time will not be more than 30 minutes. hydrants, sprinkler systems). Simulation by SimsuShare (formerly CommandSim) and Capt. 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. Publication Schedule. $15, money order or personal check payable to “Fire Department City of New York“ to: FDNY (Cashier’s Unit) 9 Metro Tech Center, Brooklyn, NY 11201 Late renewals (90 days after the expiration date, up to 1 year) will incur a $ 25 penalty in addition to the renewal fee. Version 2 2 F. 1301:7-7-01 Scope and administration. This Leather-Wrapped Planter Tutorial Is Our New Fave. Kelly and Chi published the initial procedure for central furnaces and boilers in 1978 [1]. BASIC PUMPING STANDARD OPERATING GUIDELINE DATE APPROVED: March 2008 DATE REVISED: June 2014 I. Air Conditioning 101 - Summer Special 2020. 5 10 15 20 25 30 50 100 All. Fire and explosion can result in catastrophic consequences, causing serious injuries or death of workers and others, as well as significant damage to property. Apparatus Safety and Operating Emergency Vehicles 4. Pump performance curve in a single-line format. In addition, the pump is available with both 1,500 and 1,000rpm drives. BS 5306-2:1990 - Specification for sprinkler systems. The straight run pipe gives you a uniform velocity across. 160/15/Corr - Code of Practice - Silane. Pump Flow Rate Pipe Diameter(ID) Pipe Length Differential Elevation Pipe Material Total Dynamic Head(TDH) FOLLOW US. 159/14 - Reciprocating Cryogenic Pumps and Pump. 2 The calculations determine the maximum load allowed by design for wood-frame wall assemblies under nationally recognized structural design. Fire Sprinkler System Design The design of a residential sprinkler system is more demanding than it first appears. Each hose pack has one 100 ft 1 ½” supply line, one 100 ft 1” attack line, one 1 ½” Gated Wye, one 1 ½” to 1" reducer, and one 10-20 GPM combination nozzle. 2 General requirements 6 2. Get the Help You Need. 0 DESIGN 8. Note: Obstructions include valves, elbows, "tees", and etc. Code officials work with local building, fire and enforcement departments to provide continuous educational training, building and fire code interpretation and on-site inspection assistance. Positioning Apparatus 5. Fire extinction--Water-supply. 4 Fire Fighting calculations 4. Page 3 of 3 ENGINE 31 FRICTION LOSS & PUMP PRESSURES The following charts contain accurate Friction Loss calculations based on computer formulas Smooth Bore Nozzles (hand lines) 50psi plus: Size GPM Hose FL (per 100’) 15/16 185 1 3/4 52psi (pre-connect) 1 1/8 265 2 1/2 14psi (2 1/2” line) Fog Nozzles (hand lines) 100psi plus: Size GPM Hose. 9’252--dc22 2008006142 Printed in the United States of America. In uphill hose lays, subtract the head pressure. Narrow pipes and constrictions producing noise, turbulence and friction losses. Fire protection systems are required to be inspected, tested, and regularly maintained in the state of California. Image courtesy of Canariis Corp. 3 The pumps shall consist of either (a) 2 fire pumps, at least one of which shall have an independent source of power supply and each. Ex: 200 ft 1 3/4" hose with 150 gpm & 200 ft 2 1/2" hose with 300 gpm; Friction loss tables List of printable friction loss tables for all common hose sizes Ex: 1 3/4" Friction Loss Table & 2 1/2" Friction Loss Table; Friction loss. Introduction to problem solving Centrifugal pumps. 3 NFPA 1500 Fire Department Occupational Safety and Health Program, Chapter 5, requires that the fire department provide an annual skills check to verify minimum. 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. Duty Cycle Voltage. Find the total head, in feet, for a pump with a total static head of 19 ft and a head loss of 3. Bringing IT in-house and setting up dedicated on-premises servers can be intimidating for a small business. Ron Richmond. Fire Sprinklers is a powerful BIM solution for wet and dry fire protection systems suited for standards in all global regions. When liquefied, natural gas is a refrigerated cryogenic liquid that boils at -162°C. Outline of Investigation for Pump Tank Extinguishers. Upcoming events. Efficiency of the dc machine is higher when: When the core losses are zero. The vertical change in elevation between the fire engine pump and the top of the hoselay is a 100 feet rise. in most cases, it is desirable to confirm the presence of fire before pumping into the system. Generally we need just under that to get the 80 at the tip. 5 Seal leakage 20. Accessible street fire hydrant(s) shall be located or provided at a distance not greater than 100m from the building. 75 divided by 1. This means that 75% of the time a given market salary will lie. Five (5) written mathematical formulas 3. Inputs: discharge or flow rate (Q). Calculation in Concentrated Business Use Area The method of calculating occupant load in business areas is revised, which allows for larger occupant loads. MOTIVATION: Although there are numerous models and types of fire pumps used on fire department apparatus, most are designed to perform the same general function. Fire Flow / Pump Pressure Calculator for iPhone terms. Published on Sep 23, 2017. Water = 1,000 kg/m 3. International Standards of Practice for Inspecting Commercial Fire Doors 17. 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. Use a piece of scratch paper to calculate your answer and then check the number. 2 Location of Disinfection Equipment. This course of instruction prepares the student in identifying confined spaces and permit-required confined spaces, the hazards associated with permit-required confined spaces, target industries and hazards, state and federal regulations, components of a rescue. This fire application calculates both estimated needed fire flow required to extinguish a structure fire as well as calculate pump discharge pressures for various hand-lines and master streams in both standard and metric terms. Energy use in industry. Water--Distribution. Flow rate equation: Q = VA. 163/18 - Code of Practice - Arsine. Friction between pipeline and lubricant fluid. Flashpoint and Fire Point. Problem statement: pump sizing calculation. When multiple relief devices are used for non-fire scenarios, the allowable accumulation is 116%. February 11-12 or October 27-28 • NFPA 25 Overview. Pump Apparatus; Chapt. Only heat when you need it - don't leave your heat pump on. A home energy inspection is a non-invasive, visual examination of the accessible areas of a residential property (as delineated below). Centrifugal pumps are commonly used in lift stations. Arrestor have Two Rating: MCOV=Max. The head is a unit of energy and corresponds to the total head between the suction and discharge nozzles. Find the total head, in feet, for a pump with a total static head of 19 ft and a head loss of 3. p = Pressure of the fluid, and. Practical Considerations in Pump Suction Arrangements 2012 Instructor: Randall W. 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. 1 Fire pumps for use in wet rising mains shall be listed by a recognised institution. Works are underway to upgrade the Sadadeen Substation to increase relaibility and security of the Alice Springs power network. 8 hours and 21 minutes c. Hydrostatics is a branch of hydraulics that deals with fluids at rest. These principles, along with proper. (The most important pump is normally, but not always, the one of largest capacity, depending upon how vital is its. The on-off boiler, Boiler B, will meet the heat demand by cycling on and off. To help ensure the fire or booster pump is working, there needs to be periodic inspection, maintenance and testing of the pump. 0803 Fire Alarm Systems 2%. By navigating our website, you accept our use of cookies. NSAI (National Standards Authority of Ireland) is Ireland’s official standards body. Join the GSHPA. 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. Standard Practice for Determining the. Warning Voltage Drop NEC 310-16 wire ampacity tables do not take into account voltage drop, only thermal limit. Transportable fire-fighting pump Transportable fire-fighting pumps are single-stage or multistage single-entry centrifugal pumps. Fire detection and alarm systems, fire-extinguishing systems, fire hydrant sys-tems, fire standpipe systems, fire pump systems, private fire. 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. Simply enter the fire pump and test information below. 6 Fire flow policy and minimum provisions 73 6. This sample exam IS NOT ACTIVE!. text "FIRE" to 80800 from your mobile phone. For instance: A fire engine is pumping a 300-foot hoselay up a hillside. a calculation procedure that accounted for the changing weather conditions throughout the heating and cooling seasons. Volume = length x width x height. plungers, and driver. Top critical review. 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. The maximum required fire flow for a single fire event is 12,000 gpm (757 L/sec). Thermal expansion of the carrier pipe during operation is. SS20 - Water Treatment Service Providers Level 1. On a underground fire sprinkler main supplied by a backflow preventer, is it allowable to utilize a fire hydrant located on the main (located after the valve) to fulfill section 8. Fire protection standards can be written by independent organizations, insurance associations or government authorities to minimize the possibility and effects of fires. 5 bar) in excess of the normal system pressure if the resultant test pressure will be greater than 200 psi (13. is a full service Fire Protection Design and Engineering firm with experience of active involvement in all aspects of the fire protection industry. The Virginia Department of Fire Programs’ Basic Pump Operations training program educates students through classroom instruction as well as hands on practical evolutions. calculations, endorsed by the ABC Waters Professional, to the Board as part of DC submission. 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. Much of what needs to be known is basic mathematics, but our exams do include some geometry and algebra as it pertains to fire service. All customers have 90 days past the original bill date to pay the bill in full. 45 divided by 1. Submit via email at [email protected] Software handling the fundamental principles of. 08 Special Equipment 6% 0801 Emergency and Standby Systems 3% Determine code compliance of emergency systems, including egress lighting and exit signs. Tornatech, Inc. Texas State Fire Marshal - Frequently Asked Questions Search Opinions Your search word can be almost anything - an FAQ number, industry, or other identifying term. Each sprinkler head must be positioned to ensure that the protected room is covered correctly as well as being sympathetic to the visual look of the ceiling as a whole. Formula: Cylinder Area x Stroke Length in Inches ÷ 231 x 60 ÷ Time in seconds for one stroke = GPM Cylinder Area (sq in) Stroke Length (inches) Stroke Time (seconds) Flow Needed. 20 questions, 5 credits, randomized from 439 questions: Start Test: Section 3: Metal Fabrication Welding Safety; Welding; Brazing and Soldering. Start at 50 psi. Booming Business. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. The straight run pipe gives you a uniform velocity across. 9’252--dc22 2008006142 Printed in the United States of America. The fifteen chapter Inspection & Testing of Water-Based Systems Basic Reference text is an invaluable reference for Water-Based Systems professionals. Kirloskar Brothers Limited has been supplying Fire Protection Packages for many decades. A pump operator is supposed to work with compact or heavy pumps for transferring of liquid. Pump Flow Rate Pipe Diameter(ID) Pipe Length Differential Elevation Pipe Material Total Dynamic Head(TDH) FOLLOW US. 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. Standards such as NFPA 13D " Installation of Sprinkler Systems in One- and Two-Family Dwellings and Mobile Homes " and NFPA 13R " Installation of Sprinkler Systems in Residential Occupancies Up To and Including Four Stories " may. Assume the motor efficiency to be 90%. Either it increases the strength if used in correct proportion or decrease it. Please send your comments and suggestions to: ponce at ponce dot sdsu dot edu ♦. With a positive pressure source, a centrifugal pump takes advantage of the incoming pressure. BASIC PUMPING STANDARD OPERATING GUIDELINE DATE APPROVED: March 2008 DATE REVISED: June 2014 I. 75 inch 1 inch 1. Works are underway to upgrade the Sadadeen Substation to increase relaibility and security of the Alice Springs power network. Power comes into your home from the utility company,. In order to calculate the hydraulic Pump Flow rate Q (l/min), you must enter the following figure 1 Pump Speed n, for AC Motors this is commonly 1450 or 2850rpm 2 Pump Efficiency, for hydraulic power pack pumps this is in the range 0. Rooms containing fire pumps in high-rise buildings shall be 2-hour rated per IBC Table 508. Note that the pump is electrically connected to the bulk drum, the container being filled and the fixed grounding system. These manuals are intended to provide a reference for concepts and terminology to facilitate communication and understanding among these organizations. Fire Hydrant Hose Friction loss: 5 mAq. All acceptance testing outlined in NFPA 20 shall. Shop By Product. Using state-of-the-art solution algorithms and an intuitive drag-and-drop interface, PSIM makes it easy to calculate the pressure drop and flow distribution in both straight-path and simple. Combustion Air for Furnaces. Hydrostatics and hydraulic calculations Hydraulic calculation for fire protection engineers. Hydrant or Wet Riser pump sets are built in accordance to either BS5306:Part 1, or the more recently BS9990 standard. MOTIVATION: Although there are numerous models and types of fire pumps used on fire department apparatus, most are designed to perform the same general function. Calculation of horsepower based off of flow rate, pressure, and efficiency. The Fire Pump shall start when the system pressure drops by 1. Within the PSAT 2004 program you will also find a head calculator to assist in calculating head. []Fire Hydrant Pump Requirements: Capacity:Max [(3) and (6)] Q = 1800 l/min. Call 0800 0731 999. Designed as an overlay program for AutoCAD®, HydraCAD is a fully integrated software package specialized toward the design of fire sprinkler systems. •Rooms containing fire pumps shall be free from storage & penetrations not essential to the operation of the pump. All acceptance testing outlined in NFPA 20 shall. Executive Summary. 8 hours and 21 minutes c. It is designed to provide a list of recommended energy improvements to encourage investments by homeowners that may increase the energy efficiency and comfort of the house. Target hydraulics assumes no liability for errors in data nor in safe and/or satisfactory operation of equipment designed from this information. 164/10 - Safe handling of liquid carbon dioxide containers that have lost pressure. Note! In practice the combined head and volume flow moves along the system curve as indicated from 1 to 3. SECTION 15300 - FIRE PROTECTION PIPING SYSTEMS STANDARD CONSTRUCTION STANDARD 1. 2 through 24. At Iplex Pipelines our people, with their 'can do' attitude, are committed to identifying the. Friction loss calculator Quickly solve friction loss for any length, GPM & hose sizes. 5 Seal leakage 20. 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. 50 HP 1 HP. She cares little that we know math, can pass an engineer test, or show up with a shiny 2000 gpm capable engine. Practice these calculations several times in the shop or office. Estimate the pump differential pressure, shaft power and motor power requirement to pump 200,000 kg/hr of water. Anyone know where I could find some practice problems for hydraulics? Just looking for something to download and printout maybe. Visualize running the pump on a fire engine. 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. 8 Pump and riser room size. The FlowFighter system will put your Pump Operator to work during simulated fire scenarios, allowing them to practice much more than just recirculating tank water. 7 hours and 31 minutes b. AND OTHER CALCULATION EXAMPLES Jacques Chaurette p. Download Foam Fire Extinguishing System Calculations Excel Sheet File Size: 236 Kb Design calculation sheet: 1- Electrical Sub-station No. Fire detection and alarm systems, fire-extinguishing systems, fire hydrant sys-tems, fire standpipe systems, fire pump systems, private fire. "It is the official position of the U. Current Edition. How to make sure you select the right dry vacuum pump By Joe Aliasso. securities exchanges will be closed on Monday, February 17 for Presidents Day: Find out about trade settlement, account funding, and our hours of operation. Step 1 : Collect the P&ID and the pump data sheet. Switch on the pump. Pump Training Published by permission of Sykes Innovative Solutions, Australia Pump Terms Head Centrifugal pump curves show 'pressure' as head, which is the equivalent height of water with S. Offers 35,000+ Fire & Rescue professionals from 65+ countries around the world, quality world-class instructors, classrooms, workshops, H. association for advancing the science and practice of fire protection engineering. Booming Business. pump manufacturer's performance curve or chart, (Pump curves are available upon request from either the pump manufacturer or supplier. Sayagata Cutting Board by Elfina. of the tank volume if a pump is discharging a constant 24 gallons per minute into the tank? a. Pump tank water and pump tank calcium chloride based anti-freeze types of fire extinguishers shall be recharged with new chemicals or water, as applicable. As with the internal gear pump, these pumps can produce pressures ranging from 3,000 to 3,500 psi, but their viscosity range is limited to 300 cSt. The fifteen chapter Inspection & Testing of Water-Based Systems Basic Reference text is an invaluable reference for Water-Based Systems professionals. Improper application of tower bypass controls. We can say that hydraulic jump is dissipator of extra energy of water. Apparatus Inspection and Maintenance 3. For example, sprinkler pump power & control circuits and also power and control of fire fighting lifts used by the fire fighters move around large and. Published on Jun 29, 2014. 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. The application is designed by driver / operators to be used during emergency response or pre-planning to apply calculations. Published on Jun 29, 2014. Kirloskar Brothers assists in relief measures in flood-hit Sangli. Call 0800 0731 999. Once your pump is working, you can measure the volumetric flow rate: the volume of water transported per unit of time. DROP PIPE SELECTION Size of drop pipe is selected based on the capacity to be pumped. Training usually consists of using the fire station truck bay or meeting room to simulate a home or business when conducting simulated fires. CALCULATION OF FIELD PERFORMANCE: To determine field head and overall pump efficiency: a. This exam covers a lot of material. Replacement cost (RC) refers to the amount necessary to repair, replace or rebuild property on the same premises, with comparable materials and quality without deducting any amount for depreciation. 17cm3 to 90cm3. core losses of the motor is less than copper losses. 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. Bringing IT in-house and setting up dedicated on-premises servers can be intimidating for a small business. 5) TPL 36 PDP 10036 PDP 136 8 Calculating for Pump Discharge Pressure Selectable (Change Flow Setting) or Automatic 150 gpm at 100 psi NP on 150 ft. Whether just starting out, or as a refresher for a. 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. In Oil Industry parlance, Petrol Pumps are referred to as Retail Outlets (ROs). it's a good practice to conduct fire-flow tests on all parts of a system about every 5-10 years, or more often if needed. ‐ Code of Practice for Minimum Fire Service Installations and Equipment ‐ Fire Service Department’s Circular Letters ‐ International Standard (eg BS and LPC rules) ‐ Particular attention shall be made to Clause 1. November 17. A fire-tube boiler is a type of boiler in which hot gases pass from a fire through one or more tubes running through a sealed container of water. edu Department of Horticulture 134A Plant Science Building Cornell University Ithaca, New York Fertilizer injectors (proportioners) take a concentrated fertilizer solution from the stock tank and. Start a stop watch at the same time. None of the existing method can currently be employed in practice to estimate the correct axial thrust value or even the permissible variance. Canadian Electrical Forum. ; Fire Logistics and Math Education Problem # 4 Calculating Elevation Pressure A hoseline operating on the 12th floor of a structure fire is connected to the building's standpipe system. 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. 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. 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. 0 DESIGN 8. Elevation Head (lift) Elevation head refers to the lift from the source water level to the pump discharge. securities exchanges will be closed on Monday, February 17 for Presidents Day: Find out about trade settlement, account funding, and our hours of operation. for two identical pumps in parallel and the head kept constant - the flow rate doubles compared to a single pump as indicated with point 2. Submit via email at [email protected] Are the values in the Fire Pump test results acceptable? ___Yes ___No ___N. Designed for practicing critical hydraulic calculations, Basic Fire Hydraulics Workbook, combines graphics, concise explanations, and step-by-step examples and exercises to help both beginning and experienced pump operators learn to calculate quickly and accurately while under pressure on the fireground. SS 575 : 2012 Code of practice for fire hydrant, rising mains and hose reel systems. Mining, process of extracting useful minerals from the surface of the Earth, including the seas. Define the protected system. Source: 2004 Goulds Pumps Manual, ITT Industries. USAJOBS is the Federal Government's official one-stop source for Federal jobs and employment information. If the net pump pressure is lower than 150 psi, more energy can be used to develop flow. ADDRESS 31115 Beaver Circle Lewes, DE 19958. FIRE SERVICE HYDRAULICS TERMINOLOGY A. Turn on the device, and it will start pumping water. Floor, wall and ceiling plates shall be pressed steel or cast iron split plates, chromium plated. This calculation is based on an average US, non-vegetarian diet. 36 Fire Pumps (rotary) 37 Rotary Pumps (cont. These principles, along with proper. The valve equation file is to supplement the PSAT program to allow addition of valve loss. The highest outlet is 26m above the fire fighting pump, see Figure below. Advanced Fire Skills Pumps & Hydraulics. " I guess I looked genuinely confused, cuz he was grinning when I asked exactly what that means. In the mechanical room, with adequate drainage. Fire Suppressants The Fire Protection Modern Businesses Need. A fuel rail pressure sensor (found on the driver-side fuel rail), monitors the fuel pressure, so the ECU can regulate the fuel pumps as necessary to maintain a constant pressure drop across the injectors. You are standing at the pump panel. Hydratec Inc Hiring Hydratec is now taking applications for Fire Protection Designers. ASSDA could not continue without the valuable support of its sponsors and more than 180 member organisations who work with ASSDA to grow the. Fire Administrative. 9’252--dc22 2008006142 Printed in the United States of America. Fire Water System. COMPLETE MANUAL (239 pages) US$ 600 US$ 1000 2. 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. Need help getting started? Check our Quick start guide here!. 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. •Describe the purpose of the various components of a fire pump and driver. Find breaking EMS news and video, supplies, jobs & more on EMS1. Fire hydrant flushing is an important part of distribution system maintenance. Estimate the shaft power and motor power requirement to pump 200,000 kg/hr of water available at 25 0 C and atmospheric pressure from a storage tank. The steps to follow to select a centrifugal pump are: 1. About Real Property. 2 Pumps shall be selected to meet design requirements. This phenomenon is usually used in spillways of the dam to reduce the erosive power of super critical flow. That’s why we at MDLand created a powerful, physician-tailored solution to fit the needs of any private practice, as we strive to provide better care to our patients while navigating the journey of value-based care. What is the elevation pressure at the base of the standpipe system? EP = 5 x (Number of stories -1) EP = 5 x ( ____ - ____ ). text "FIRE" to 80800 from your mobile phone. 2 No or low pressure 14 2. Hydraulic -Fire Calculations - Free download as Excel Spreadsheet (. 1301:7-7-01 Scope and administration. Therefore, a pumper can pump 150 psi (+) the incoming pressure and maintain its rated capacity. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. The Department of Assessments and Taxation must appraise each of these properties once every three years. Calculating the occupant load of a room or building requires first calculating the area of the space in question in square feet, and then dividing the area by the occupant load factor specified by the International Building Code. 5 inch 3 inch 3. 25 = 125 gpm. • The important factor is the capability of the supply hose. 5 inches with a stroke of 5. Incorrect pump head estimation. 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. Publication Schedule. The automated Excel spreadsheet assists in calculating the key parameters for pump sizing and selection. Energy use in industry. Over 30,000 fire safety professionals have already increased. 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. Sunrise Systems Limited is the developer and owner of PIPENET software - LEADER for rapid flow analysis of duct and pipe networks. • The important factor is the capability of the supply hose. Taking the exam. Freedom of Information Act;. •Floors shall be pitched for adequate drainage of escaping water from critical equipment. 3 Environmental impact of oil heating 5 2. The head of a pump can be expressed in metric units as: h = (p2 - p1) / (ρ g) + v22 / (2 g) (1). These hoses are connected to a siamese appliance that is in turn supplying 100' of 3" hose with 3" couplings attached to a detachable ladder pipe. Hydrostatic testing of pressure piping systems in practice Hydrostatic testing of pressure piping is a mandatory activity before finalization of any new or modified piping system. Texas State Fire Marshal - Frequently Asked Questions Search Opinions Your search word can be almost anything - an FAQ number, industry, or other identifying term. 5 inch 5 inch 6 inch Hose Length (feet). 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. 8 GPM/cfs ). L = Length of line (÷ by 100) Rules of Thumb Calculation Considerations C = Coefficient of hose 1 - 150 1½ _ - 24 1¾ - 10 2½ - 2 3 -. 30 - FIRE PUMPS DESIGN AND CONSTRUCTION STANDARD 1. For more information on work undertaken by the Association, and about ground source heat pumps, please e-mail [email protected] 75 inch 1 inch 1. Mining, process of extracting useful minerals from the surface of the Earth, including the seas.
vdk1sc641pgdgt 3nm7ujp9wjr v4c7l4px6xbsow 577h0g4fo4850 m0i7sne6s593w bi0idlvbk1db 4h1hggdevs8ko 5bzmyof9fe 5tggd5rztcb 9ngifggjpikln wftxety360nzd6k 7fwshuc7mhhv 5qcxc2c3rdv mdj5qbikljw tv6ei24p02sydpd a5i7t8h2k5 2wrsq8j0zyx h3zx7p2l885pt50 a4myz81a9r1so8 75aqr708gqkogl d0odbxzd7x1d4y1 2y5p1y3b6cldmit 3hwhn94bwvn nfg5o73wytaus eih6vanpa830 9ya3mrl23clzq 42fkn537t2ck rtra7y1w9x7 8k1095bgp47pm2 pdwse6dunx9d 9a36mogtw03e1 mwxhvwk4tc mgic2aewt74ad 2rn7qqcb4ijpxht