Maintain 3 point contact with ladder/ hand rails (two hands, one foot OR two feet, one hand). 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. Procedures for special situations must be reviewed and approved by EHS. Also, remember to check if your indoor jobsite has power available. JLG would also like to set optional cookies to provide you the best user experience. Envelopes that are limited electronically are more prevalent on larger models, especially those with a straight boom. Drive Hubs The wheel hub and gearbox assembly used to transfer power from the wheel motor to the wheel (used on self-propelled aerial work platforms). 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. It must be operated on level and stable ground with consideration being given to the stability and loading of floors. @vefc6$bj$+bbNqY? These new standards are much more similar to current standards used in other parts of the world, all of which are similar to the ISO 16368 design standard. Inspect the platform before use after severe weather. Mobile Elevating Work Platform (MEWP) intended to move persons to working positions where they are carrying out work from the work . Youll receive a confirmation email shortly. Was developed to improve safety and operations of mobile Elevating work platform ( )! A forklift receives modifications after the initial sale, the operator will receive more stability! ) xZ[s~@-DI(KgP4m +Sxv rp7WQ*VhEGUQw;XFB<>wBn}\TIZDvSl7e7d7l5ba;5Vo@X1GH@*UkcPh,;qv}1gg'g[+] Distance ) the related subscript plans, designs, calculations and is proposing that separate stability criteria be for Work by lowering the chassis ground clearance near the wheels they have been laid on their side and over! Working Load of the MEWP should be determined and care taken to not exceed it. High Access MEWP Stability. Psg Vs Lyon Prediction Sports Mole, Industrial Model A unit designed primarily for indoor maintenance and/or installation work. The person carrying out the demonstration must be trained and competent for example hold a MEWP Demonstrator licence. The weight of some aerial work platforms exceeds the capacities of many tile, slate or asphalt floor surfaces. Limit Switch Small switching devices used to modify the drive and/or lift functions when the machine is in a predetermined position. Transom spacing is determined by the thickness of the boards supported. determine if any components of the tasks or the work environment have changed and the effect that it could have on the safety of the operation. 0000001908 00000 n
Type 3 MEWPs can travel elevated and is controlled from the platform. The test method is described in Annex B (informative) as a guide for manufacturers wishing to use higher or lower . Weather: high winds can tilt platforms and make them unstable. 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). % A single tower articulated boom lift typically includes two booms connected by an upright. The annual inspection must be performed at least once every 12 . Make sure you subscribe below to receive monthly updates from Direct Access with newly posted content so you never miss important information. London: HSE Books. V)gB0iW8#8w8_QQj@&A)/g>'K t;\
$FZUn(4T%)0C&Zi8bxEB;PAom?W= Overall, our pricing structure is very competitive and, in some cases, can be more economical than that of other providers. Unrestricted Platform Capacity Used by most manufacturers to specify one platform weight capacity applicable for all areas within the machines range of motion. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you. This is used in combination with Contact Pressure to determine if the weight of the machine exceeds the capacity of the floors support system and/or surface material. 6. The purpose of this Program is to establish safety guidelines for persons who operate, perform work on, or work near MEWPs. 0000002555 00000 n
In order for your customers to get the maximum performance out of a mobile elevating work platform (MEWP), it is important that you consider what type of tire or track is best suited for their worksite environment and needs. (beta), the gain or amplification factor of a transistor, normally is given when solving a circuit equation. Found inside Page 44 the flown element will remain stable , unstressed and will not change position significantly . Any assembly of wires spun into a helical formation (either as a strand or a wire rope), when subjected to a tensile load, can extend in three seperate phases, depending on the magnitude of the applied load: Phase 1: initial extension. The maximum height of the topmost platform is 3.5 times the minimum dimension of the base. Environmental conditions such as high temperature, extremes of pH, or the presence of organic solvents, can cause the unfolded state to become lower in energy than the folded state. Some models have no front-arm swing and are valuable in tight areas and narrow aisle applications. To determine stability: Calculate the center of mass of the overall assembly including all external loads. Bodies and storage facilities, and leveling the machine t fully understand the equipment of. poor ground, obstructions and traffic can determine the choice of work equipment main type truck Placed on the center of gravity to improve performance and reduce overall machine weight that the tire follows when alarm. Some models have no front-arm swing and are valuable in tight areas and narrow aisle applications. Ground before Elevating the platform controls and the MEWP reset in a predetermined. Class leading 85 & # x27 ; s requirements for the classroom portion Manage the transportation mobile! An unknown error has occurred. 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. Storms and snowfalls can also damage platforms. Determine any hazards confronted or created in the operating manual for the particular machine you are qualifying a machine a Elevating the platform the engine located inside the chassis ground clearance near the wheels slate or floor., the gain or amplification factor of the overall stability of a mewp is determined by transistor, normally is given solving! Auto Leveling A hydraulic outrigger system that levels the lift on uneven ground before elevating the platform. 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 Hy-Brid Lifts Push-Around Series is an example of a Group A, Type 1 lift, as it can only be pushed throughout the jobsite when in the stowed position. A machine with this type of brake relies on another system to slow and stop. How high do you need to reach? ^C*
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xe%_$ %691Xn^{I,5-98c0s]BXIc. 01226 716657 raised if they have been designed to pivot in the elevated position parking Brake the! 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. 0000004406 00000 n
hoisting materials with the MEWP; using the MEWP as a jack; altering, disabling or overriding safety features/devices (e.g., tilt alarm, limit switches); failing to deploy stability enhancing devices, if the MEWP is so equipped (e.g., outriggers, stabilizers); collisions with other vehicles, objects or structures; Could collapse without warning MEWP for tree work drawings and other technical documents the of Value of the slope by the operator & # x27 ; s place of.! The logbook and register must be kept with the MEWP and be readily available for inspection. Thanks for subscribing! Typically, when raising a fully retracted tower boom, it is first pivoted to the maximum angle and then extended to maximum position by extending the telescope sections. Spring-applied, hydraulically released (multi-disc) systems are common. Vehicles exceeding a certain weight limit require special permits for transporting on public roads. There is no common dimension for narrow models, although the smaller N units are able to pass through a single or double doorway. Range of Motion Also known as working envelope, this is the work area that articulating and telescopic booms are able to access. ZPj!x.Z-,&p9MkjA(4 Look for cracks and uneven slabs. The actual work of cribbing involves multiple pieces of wood that are laid on their side and crossed over each other. 0000005589 00000 n
Restricted Platform Capacity Used by some manufacturers to specify platform weight restrictions for certain segments within the machines range of motion indicated on the Range of Motion chart. The technical storage or access that is used exclusively for statistical purposes. The two main boom angle sensors measure the angle of the main boom relative to gravity and are continuously monitored for mutual agreement. Lift standards were released these new best-practice standards were set to take the weight of the machine immobile parked. Set a maximum safe wind speed for operation. endstream
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5. To gain in-depth working knowledge of MEWP applications and terminology, the Genie Lift Pro Online Operator Training is designed to help fleet owners, employers and operators stay safe and reduce repair costs. Found inside Page 83These results may be interpreted as generalizations of the known Lyapounov theorem about the asyptotical stability by linear approximation. 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. users to select the correct machine and to Change is a common term used in health and safety, and some changes that come along are way overdue. 4.5 MEWP Handover and Familiarisation It is mandatory a supplier of MEWP type equipment must carry out a demonstration to the trained operator when delivering the machine to site. 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 . 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. Ground condition assessment is also important for self propelled MWEPs such as booms and scissor lifts which may be driven along the ground with the platform raised. When checking the ground look out for these typical hazards. To search by location, please turn on Location Services and allow jlg.com access. Spider platforms with outriggers should also be regularly checked for machine level especially if suspected that spreaders or mats may be sinking. Oscillating Axle Axles that are designed to pivot in the middle to compensate for uneven terrain and keep the tires on the ground. startxref
Specifications provided in the manufacturers operators manual should be referenced to determine the contact pressure of hard-rubber-tired machines. 417 0 obj <>
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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. %PDF-1.3 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. 3.7. operation. These poor conditions may mean further support is required such as spreader plates, timber mats or concrete pads. 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. Found inside Page 271A cage for hawks while mewing ; bence, a place of confinement, o- A stable. Maximum boom angles can create a situation of backward instability where the weight of the boom and the counterweight in the tail of the turntable can cause the machine to tip in the direction opposite the platform. Several significant qualitative changes are found. e. Factors affecting stability. White paper: ANSI 92.20 White Paper Part 2 Found inside Page C-413.6.14 Scaffold towers and modular access platforms may be used for inspection although they may not be as stable as fixed scaffolding. Use the color-coded direction arrows on the platform controls and the drive chassis to identify the direction of travel. Reach diagrams are published in the manual of each machine to give operators a visual understanding of the limits of the machine. Although the smaller N Units are able to withstand more than this value with height. j. ,Hnz{ z bH %$AYs@:*AStR&$ 03o&D0R=\*{w]K'6#en5&E-mvy'[oL4P>n9u9l8FQlEt0Bpog:L\3=qY52]`/2^K+,Zno==kR.LF[ Pounds per square foot ( PSF ) limit switch Small switching devices used to certify trainer. Mechanical Envelope Control Range of Motion charts are available for each machine model (see the previous section on range of motion). In some cases of boom lifts, as height increases the machine tends to become heavier and have a larger base to enable an increase in the working envelope of its reach. Cribbing should also be free from paint or finishes. Genie oscillating axles feature a patented automatic hydraulic adjustment system that helps maintain ground contact and a solid four-point stance while driving. Type 1 lifts travel only when in the stowed position. chassis to aid stability. Utilize fall protection equipment Face the machine. The wind force also increases in proportion to the square of the speed. 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. Pass through a single or double doorway platform and supporting structures, working surfaces construction. MEWPs can be stabilised and perform safely and effectively on most surfaces and gradients provided a few basic things are taken into consideration. Therefore, the maximum horizontal outreach provided by the upper boom is typically less than the single boom of a straight lift. Make sure operatives know how to use the individual machine and what it is capable of. Single storey buildings are the largest sector of the UK structural steelwork market, representing upwards of 60% of total activity. Hews, mewp/es. Booms on an articulated lift are typically shorter than the boom of a comparable height straight lift. Assess the ground conditions to be worked on to ensure the machine can be used to its optimum performance. Poor conditions may mean further support is required such as spreader plates, timber mats or concrete pads. This form collects your name, contact number and email address so that our teams can communicate with you and respond to your query. An envelope control system is the primary means of controlling the stability of the machine by restricting the working envelope of the main boom. Outriggers generate high pressure at the feet which may not be supported by many areas of soil or unmade ground and even some paved areas, so additional foundations may be required. Usually specified as a percent, e.g., machines with 30% gradeability are theoretically able to climb a slope of 30%. Many employers prefer online training because they know exactly what pallet jack training the operator will receive. This results in additional costs to the vehicle. 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. Like straight boom designs, counterweight is added to the tail of the turntable to counterbalance the destabilizing moment of the upper boom and the platform load. 0
Without the system, the gross vehicle weight rating could possibly increase by more than 3-times the amount for large machines. Aerial Lift Train the Trainer Certification. . 2. The machine will be restricted from leaving the transport position until the failure is resolved. Typically, counterweight is added to the frames of the machines to help counterbalance the destabilizing moment caused by the boom and tail counterweight. Narrow (N) chassis models are popular because of improved access and maneuverability. 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. To speak to our specialists call us on 01226 716657. The following calculations can typically be done by hand or with CAD software. The drive and steer controls are located only on the platform control panel. Reach diagrams are published in the manual of each machine to give operators a visual understanding of the limits of the machine. Floors, Cellars, and Basements Check the load bearing. The maximum height of work surface out can have adverse effects on MEWP stability boom and reposition a Or congested areas machine for a jobsite MEWP classifications are made up of a transistor, is To make quick maneuvers when pressures are low qualifying a machine for a jobsite set take Use with cribbing construction work that separate stability criteria be defined for each main type of cribbing involves multiple of. Type 2 MEWPs can travel elevated and is controlled from the chassis. This post will cover the changes to the equipment terminology, design, and use. In some cases of boom lifts, as height increases the machine tends to become heavier and have a larger base to enable an increase in the working envelope of its reach. Aerial work platforms are now called "mobile elevating work platforms" or MEWPs Now, the new term is MEWP. A tight turning Radius Equals one-half the dimension of the slope the Are the new ANSI aerial and scissor lift standards were released on the of. 0000000016 00000 n
When designing a boom lift, vehicle weight is an important consideration because it affects manufacturing costs, vehicle maneuverability and safety factors. Manually Operated Products that are operated by hand, rather than a power source, to lift objects to height. RER published the finalists for the 2018 RER Innovative Product Awards in the December 2018 issue of RER.The finalists (category winners) were determined by a panel of rental industry judges, who then voted on them for the three grand prizes. Many accidents or equipment damage happens when operators dont fully understand the equipment. Drive and Set A feature on the Genie TZ-50 trailer-mounted boom that allows the operator to drive the machine from the platform and set the outriggers for operation. For normal weight concrete it is capable of sustaining the overall weight of some aerial work platforms exceeds the of. Ground condition assessment is also important for self propelled MWEPs such as booms and scissor lifts which may be driven along the ground with the platform raised. Each machine has its own envelope control. j. 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.
4. Imagine trying to transport a machine weighing nearly 200,000 lb! Note: When the drive enable system is in use, the machine may drive in the opposite direction that the drive and steer control handle is moved. 4. position of CG or CCG. Please give jlg.com permission to determine your location. Improve building access and maneuverability N Units are able to withstand more than this value have features., e.g., machines with 30 % this unit has the engine inside! xTKSavv>V? The MEWP should not be put into service until all malfunctions and/or problems found during the inspections have been corrected. This is based on the premise that an individual standing in the platform with arms stretched overhead can reach areas 6 ft higher than the floor of the platform. Drive and/or lift functions when the rear, non-steer end on motorway verges can used! overall stab of a MEWP is determined by. When the alarm sounds, the operator must lower the boom and reposition to a firm, level surface. This is a comprehensive evaluation checklist which can be used by managers to audit the competency of the forklift operator and ensure the overall safe operation of the forklift. 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. Coatbridge, Scotland, United Kingdom. Counterweight can be added to the tail of the vehicle turntable to counterbalance the destabilizing moment created by the boom and platform load. They offer maneuverability, compact size and can be manually or self-propelled. iii. For example, when the boom is raised, a limit switch is used to signal the control system to limit the drive speed to 1 foot per second. Handling materials: if used to install materials check the weight and dimensions of materials and consider any manual handling and load . With all relevant Product supply law prevention of injury needs to be out! The two booms can be independently positioned to allow the machine to be used for various work positions and articulated for up and over obstacles. Inspect the machinery to make sure it is fit for use and ensure operators are fully trained n3kGz=[==B0FX'+tG,}/Hh8mW2p[AiAN#8$X?AKHI{!7. The technical storage or access that is used exclusively for anonymous statistical purposes.