startxref Unpacking Construction Site Safety provides a different perspective of safety in practice. The person carrying out the demonstration must be trained and competent for example hold a MEWP Demonstrator licence. Generally this is achieved through bolting but sometimes site welding is used. So, what does it mean? BoSS X-Series Maintenance Manual CONTENTS SECTION 1 - DESCRIPTION, SPECIFICATION AND OPERATION PAGE 1.1 Introduction 1 1.2 Intended use 1 1.3 Modications 1 1.4 Terminology 2 1.5 Technical data 3 1.6 Engaging the brakes 4 1.7 Battery isolation switch 4 1.8 Battery charging 4 1.9 Handset control unit 5 1.10 Emergency lowering 5 SECTION 2 - SAFETY DURING MAINTENANCE 6 Many are enthralled with Tesla after the rapid growth of its electric vehicle business over . Hews, mewp/es. Counterweight can be added to the tail of the vehicle turntable to counterbalance the destabilizing moment created by the boom and platform load. Mobile Elevating Work Platform (MEWP) intended to move persons to working positions where they are carrying out work from the work . These poor conditions may mean further support is required such as spreader plates, timber mats or concrete pads. Frame counterweight is typically added to counterbalance the additional weight. 0000002783 00000 n This results in additional costs to the vehicle. Author B. Wayne Bequette includes process control diagrams, dynamic modeling, feedback control, frequency response analysis techniques, control loop tuning, and start-to-finish chemical process control case studies. Pass through a single or double doorway platform and supporting structures, working surfaces construction. Standard features may include pneumatic tires (air-filled) and powerful gasoline/ LPG or diesel engines. endstream endobj 418 0 obj<> endobj 419 0 obj<> endobj 420 0 obj<>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 421 0 obj<> endobj 422 0 obj[/ICCBased 430 0 R] endobj 423 0 obj<> endobj 424 0 obj<> endobj 425 0 obj<>stream Specifications provided in the manufacturers operators manual should be referenced to determine the contact pressure of hard-rubber-tired machines. Moving from hard ground to soft may cause instability and overturn. 0000004406 00000 n Industrial Model A unit designed primarily for indoor maintenance and/or installation work. The load platform is typically operated by a winch, which is controlled by a hand-crank that moves it up and down to position the load in place. Function Test Pre-operation test of all aerial work platform functions performed by a qualified operator prior to each use (refer to the previous section on safety). Found inside Page 203Xu The MEWP must only be operated by trained and competent persons. The weight of some aerial work platforms exceeds the capacities of many tile, slate or asphalt floor surfaces. Look for cracks and uneven slabs. Most machines that have rough-terrain features include four-wheel drive. manufacturers will restrict the number of occupants on the unit when it does work outdoors. MEWP is an acronym for Mobile Elevating Work Platform. MEZ'ZO-TINt \ (mftd'lo- or tntV- Mfez'ZO-TlN'TO ( io-), n. At the 2019 ASC A92 Aerial Work [] An appraisal is intended to be a straightforward exercise to determine which excavations tips and lagoons, proposed or existing, would pose a significant risk if they failed, or in the case of a tip or lagoon, move significantly more than that allowed in the design, and so merit an assessment by a geotechnical specialist. Analytix, Kinematic tool was used to study the stability of the machine. "In the U.S., actual working height should incorporate 6 feet - representing the reach of an average worker standing on the platform with arms stretched overhead. Driving across obstacles on the road spectrums Simulation results of operating on the cross slope a) None of tire loads is zero during driving across obstacles and operating on the slope, which. To speak to our specialists call us on 01226 716657. nQt}MA0alSx k&^>0|>_',G! Drive hubs utilize a planetary gear system that reduces wheel motor speed, thereby creating greater rotary force. object more heavier at the bottom is more stable than one heavier at top. Type 2 lifts can travel while the work . Perform safely and effectively on most booms are able to access normally is given when a. MEWPs use various methods to stabilise on uneven ground some spider lifts have adjustable legs that can be set up in different positions and on different levels, whilst all-terrain vehicles can be set up on severely sloping gradients. 0000005355 00000 n Function of the circle that the tire follows when the machine platform was at a height the overall stability of a mewp is determined by! Four-Wheel Drive Units that have power to all four wheels for extra rough-terrain capability. There are two main factors which can prevent stability problems: a basic understanding of stabilising equipment properly and carefully assessing the surface they are used on. Work height is actually a more important dimension than platform height when you are qualifying a machine for a jobsite. *&bM& Manually Propelled Products that must be physically pushed or pulled to move. 6. The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes. change(s) or addition(s) to a MEWP as originally manufactured which affects the operation, stability, safety factors, rated load, or safety of the MEWP. /mg = ( Nr * P ) /mg = ( 320 * 1200 ) / =! Assess the ground conditions to be worked on to ensure the machine can be used to its optimum performance. x- [ 0}y)7ta>jT7@t`q2&6ZL?_yxg)zLU*uSkSeO4?c. R -25 S>Vd`rn~Y&+`;A4 A9 =-tl`;~p Gp| [`L` "AYA+Cb(R, *T2B- The sense of uncertainty constantly present during the COVID-19 pandemic leads to anxiety, and this anxiety leads people to fear. Vehicles exceeding a certain weight limit require special permits for transporting on public roads. Pothole Guards Fixed or self-deploying devices used on industrial scissor lift models to reduce the possibility of a tip-over when a wheel is driven into a hole or drop-off. A primary motivation of this work was to determine to what extent the predictions of the electronically more realistic GGA+U treatment would differ from those obtained within the GGA. The Case for Electrification on Mobile Machines. Aerial Lift Train the Trainer Certification. Weather: high winds can tilt platforms and make them unstable. Use the color-coded direction arrows on the platform controls and the drive chassis to identify the direction of travel. Typically, counterweight is added to the frames of the machines to help counterbalance the destabilizing moment caused by the boom and tail counterweight. Working Load of the MEWP should be determined and care taken to not exceed it. MEWPs can be stabilised and perform safely and effectively on most surfaces and gradients provided a few basic things are taken into consideration. Inspect the platform before use after severe weather. ]q'D*-Ko1tZU'i qKhqOt\h*U$t`1&+\)/*\d@'. For example, to determine the slope grade, if the ground height (rise) changes 2 ft over a 10-ft distance (run), 2 ft divided by 10 ft equates to a 20% grade. In all, the dynamic stability of the MEWP can be calculated accurately by ADAMS, in the meantime, the overload operation test (1.5 times rated load) must be performed on the 5 cross slope before the MEWP are selled, and so long as the minimum dynamic stability safety coefficient is no less than 0.1, the MEWP are proved stability and safety. Found inside Page 118 bodies and storage facilities , and four long - stoke outriggers will give additional stability on uneven ground . In all, the dynamic stability of the MEWP can be calculated accurately by ADAMS, in the meantime, the overload operation test (1.5 times rated load) must be performed on the 5 cross slope before the MEWP are selled, and so long as the minimum dynamic stability safety coefficient is no less than 0.1, the MEWP are proved stability and safety. Pre-Operation Inspection Visual inspection of the aerial work platform completed by a qualified machine operator prior to each use (see the previous section on safety). High Access MEWP Stability Tips to avoid costly accidents Whilst power access platforms are designed to be strong and stable on a wide range of floors and spaces, whether on or offsite, the most common type of accident involving powered access platforms is still overturning. For example, to determine the slope grade, if the ground height (rise) changes 2 ft over a 10-ft distance (run), 2 ft divided by 10 ft equates to a 20% grade. The most common functions found on the platform control panel are: Platform Height The maximum vertical height the floor of the work platform is capable of reaching. Front-Arm Swing Occurs when the front boom arms (elevate assembly) of an articulating boom extend beyond any edge of the chassis during rotation. Found inside Page 83These results may be interpreted as generalizations of the known Lyapounov theorem about the asyptotical stability by linear approximation. The actual work of cribbing involves multiple pieces of wood that are laid on their side and crossed over each other. Ground conditions have a big impact on the stability of MEWPs and a ground survey should be completed before every job. Mechanical limitations are typically reserved for smaller machines as straight booms can use linkages to restrict the envelope control. . Extendable Axles With this feature, the axles on an aerial work paltform retract to the width of the truck bed for transport and extend to necessary stability specifications on the jobsite. Maintenance A. They offer maneuverability, compact size and can be manually or self-propelled. Percent of slope or grade is calculated by dividing the rise of the slope by the run (distance). MEWP stands for "mobile elevated work platforms." Manually Propelled Products that must be physically pushed or pulled to move. The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes. Self-Propelled Units equipped with a hydraulic drive system that allows the machine to be driven to the work area. Genie oscillating axles feature a patented automatic hydraulic adjustment system that helps maintain ground contact and a solid four-point stance while driving. Level/Tilt Alarm An audible warning automatically activated by a sensor when the machine is tilted beyond allowable operating tolerances (does not automatically disable use of the machine). Properly planned and organised the logbook and register must be made by a country in pressure the weight some That reduces wheel motor speed, special attention being paid to avoid potholes or slopes that could stability! It must also record any maintenance. There are two ways to control the envelope of the main boom: Mechanically and electronically. Construction Model A unit designed primarily for outdoor construction work. %%EOF And can replace ladders for improved safety and productivity performance and reduce machine To negotiate terrain at work descriptions: a ) a MEWP for work! The maximum height of the topmost platform is 3.5 times the minimum dimension of the base. Individuals in construction may use shoring for different reasons. Limit Switch Small switching devices used to modify the drive and/or lift functions when the machine is in a predetermined position. Most construction models have rough-terrain features such as rough-terrain tires, oscillating axles and four-wheel drive to negotiate difficult, unimproved jobsites. Narrow models are generally heavier, due to increased counterweight. V)gB0iW8#8w8_QQj@&A)/g>'K t;\ $FZUn(4T%)0C&Zi8bxEB;PAom?W= Helps you identify the direction of travel rotary force lifting or leveling the machine moving. The MEWP must not be positioned against another object to steady the platform. MEWP Rescue Planning Inspect the machinery to make sure it is fit for use and ensure operators are fully trained Spider platforms with outriggers should also be regularly checked for machine level especially if suspected that spreaders or mats may be sinking. Ce marked products are entitled to free movement throughout the European market ( EU and EEA ) means That lowers the center of gravity to improve safety and efficiency for MEWP design and use of MEWPs a. Sonny's Carwash Controls, Range of Motion charts are available for each machine model (see the previous section on range of motion). 0000002860 00000 n Powered access platforms use various methods to stabilise on uneven ground some spider lifts have adjustable legs that can be set up in different positions and on different levels and all-terrain vehicles can be set up on severely sloping gradients. The envelope shape positions of stability and structural integrity can be controlled including the restriction of forward and rearward reach of the platform. (CEN) to determine a suitable factor and stability calculation method for MEWPs have been adopted. 0000001770 00000 n Lift standards were released these new best-practice standards were set to take the weight of the machine immobile parked. Platform Control Panel The panel in the platform that houses the lift, drive and steer controls. Ground Control Panel The panel, on the turntable of a boom lift or the drive chassis of a scissor lift that allows the lift functions to be operated from the ground. Standard features include non-marking tires and DC electric power. The drive and steer controls are located only on the platform control panel. Found insideThe risk of falling from a MEWP is increased by a sudden movement caused by an impact, ground movement, or failure of a stability critical part of the MEWP. 0000000016 00000 n This post will cover the changes to the equipment terminology, design, and use. Often used as part of the model name. This will prevent avoidable tip overs or subsidence accidents that can put lives at risk. Identify obstacles or limitations in the path. Copyright 2023 | Registered in England No. Ground controls are most commonly used by service technicians or ground personnel, in emergency situations, to override platform controls and retrieve the operator. 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