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MODULE 4 - LIFTING AND RIGGING SM 4 1 INTRODUCTION A fire officer on a pumper was once asked why he ordered the pumper engineer to drive the 30,000 pound fire apparatus on a road that had a bridge with a 10,000 load limit. Hand Chain Hoists , Construction Lifts + Industrial Cranes | Northern Tool + Equipment. Still able to keep up with the new kids on the block. Input the values for the weight of your load and the radius of crane, and the calculator will give you a couple of cranes to choose from. There are 19 Overhead Gantry Crane for sale in Australia from which to choose. More people in the UK are discovering the benefits of having a crane on site for the duration of a project. This feature gives the crawler crane a low ground bearing pressure of 5 to 12 psi, giving the crane the versatility needed to travel over soft terrain. ★★★ The Best Freight Rates for you - just try our Freight Cost Estimator. We offer crane parts plus repair and rebuild services, and diagnostic assistance for all mobile cranes: Boom Trucks; Truck. How to Choose the Right Crane for Your Project. 5 USt - 550 USt), with patented technologies like the MEGATRAK suspension system, the TWINLOCK boom pinning system and the MEGAFORM boom design - all to keep Grove cranes at the top of the market. Calculate the costs to buy a home. If allowable line-pull (available torque) is the limiting factor,. Truck mounted cranes are hydraulic cranes mounted on a truck chassis, with a hydraulic expandable and often rotating boom. double girder bridge cranes and c) Under-running single girder bridge cranes. • 60 m long telescopic boom • Capacity 10. A wide variety of crane counterweight options are available to you, There are 139 crane counterweight suppliers, mainly located in Asia. 1400, Total Equipment Training offers crane certification through the National Commission for the Certification of Crane Operators (NCCCO). 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If the ventilator can be operated at several speeds, the test shall be carried out with the ventilator running at the highest speed. • Hooks shall not be painted (or re-painted) if the paint previously applied by the manufacturer is worn. ex plc one owner. These bridge components are available in a wide variety to meet the exact requirements of your crane. This can also help you achieve positive results on your crane practical exam. Cutting the crown and higher branches is often easily accomplished with a crane and bucket. For professionals and hobbyists. Crane mats were introduced for safety and stability of cranes for use during heavy construction. The rated capacity load of course matters, but an impact allowance factor determines its significance. counter weights and reads the corresponding measurement from the tape. In general, a cranes tonnage rating is determined by how much weight it can pick approximately 5′ away from it’s center pin. or hydraulics to raise and lower the desired load. Crane Testing Study Guide The State of Connecticut Department of Public Safety is pleased to welcome you to the Crane Industry. If immediate use of this unit is desired, a model pre-filled with concrete is available. This includes the speed of operation, the applied load, the length of each rope or line, size, number, and etc. They turn up at a site on wheels (usually looking a little like a trailer mounted cherry picker). 22-2000, Articulating Boom Cranes. STEP 2: From this number, subtract the distance from the top of the hardware to the top of the picture frame itself. They ˇre pretty hard to miss. DO NOT stand or sit on either the crane or the load. This is generally due to the load interaction between the cranes. All crane operators, and people involved in slinging loads and directing lifting operations, must be trained and competent. We provide the UK's widest range of lifting solutions, combined with an award-winning development team to create bespoke solutions for you. referred to as “critical lifts”. Then you will want to look up the section properties of the particular beam that you bought. Guidelines for Creating Lifting Plan for Lifting Operations In Workplaces. When Excavators And Backhoes Become Cranes. TADANO Mobile Cranes. The high degree of vertical integration is one the main characteristics of the crawler. Crane Inspections: Why, How and How Often Posted on 05/02/2017 | Crane Repair Company| Cranes 101 If you’ve recently had a crane installed at your workplace, you may not yet be an expert on the reasons why it needs to go through inspection, how often it needs to happen, and who is qualified to perform the inspection. This could be a vessel or an oil platform. Know how to inspect the crane for unsafe conditions, complete required records, and communicate unsafe conditions to the proper authority. Line Pull-Dealing with the problem. We run one of the most diverse fleets available in the UK today, including:. Kelley Equipment Company is a crane rental and equipment company servicing the Gulf coast region of the United States. In this free guide to crane sizes we focus on covering mobile crane sizes. 50+ videos Play all Mix - install weight for 100 Ton mobile crane YouTube; How to build a Tower Crane - Duration: 10:05. Find expert advice along with How To videos and articles, including instructions on how to make, cook, grow, or do almost anything. Tower Crane anatomy. To make a level lift, the crane hook or point of suspension must be directly above this point. , OSHA states that cranes must be assembled on ground that is firm, drained and graded sufficiently, in conjunction with supporting materials, such as blocking, cribbing, pads, mats, to provide adequate support and levelness. Please note that we can only estimate your property tax based on median property taxes in your area. Inspectors worked in partnership with engineering and crane experts as well as ACT Fire & Rescue to ensure the delicate operation was conducted safely. on most I-Beam Jib Cranes. A jib crane is a type of crane with a horizontal arm that supports a hoisting mechanism, and is bolted to the ground or wall by a support pillar. You, as a crane operator in today’s high technology industry, bear a. Reich, Secretary Occupational Safety and Health Administration Joseph Dear, Assistant Secretary Office of Construction and Engineering Charles G. In reality, a crane will not approach this condition, provided the operator does not overload the crane. UNIC Cranes Europe offers a complete range of mini crawler cranes to hire or buy – the perfect lifting equipment when access is restricted or working space is confined. It has a strong main boom, with an effective fly and needle chart. If you knew the section property of the boom you can calculate the bending moment capacity and work backwards to get the load and use a conservative safety factor. BLOCKS- MOBILE CRANE ###MC###‐ #XX Number of Sheaves Sheave O. If the crane still cannot lift the test load, check the allowable line pull for the particular hoist and layer of rope. Manitowoc, Wisconsin 54220 U. load weight, crane configuration, rated capacity, and site conditions, some. - Main boom can be extended with the additional attachment of. Supportive documents to include the manufacturer and engineering designs, plans. Remember the purpose of the counterweights is not just to balance the loads the crane lifts but also the weight of the actual crane. Never exceed the load capacity of the mobile crane. the crane that may project beyond the crane's length e. Meets ANSI B30. If you are unsure about the load size and weight, calculate the weight to ensure that it meets your crane. These cranes are assembled initially with a mobile crane at a certain height, usually between 40' - 180'. Counterweight Sales -- find Used and New Counterweights for Sale and Rent amongst extensive inventory listings on CraneNetwork. The article discusses three popular systems of pulleys and discretely explains the involved operational mechanisms. Download our mobile application with woodworking calculators to your phone. Click for product specs, features, photos and more! Tadano Acquisition of Demag Mobile Cranes Ushers in. To calculate the load on a particular sling leg proceed as follows: Take the total weight of the load and divide this by the number of legs supporting the load. The cranes that are used to construct high-rise buildings and skyscrapers are called tower cranes. Main Crane Database Menu This Menu gives you access to the main database of all the Coles Crane photographs. and safety configuration distinguish the mobile crane LTM 1070-4. The average hourly pay for a Mobile Crane Operator in United Kingdom is £11. To make a level lift, the crane hook or point of suspension must be directly above this point. This document provides guidance on managing risks associated with cranes, including tower cranes and mobile cranes. Duties include delivering and removing front end bins, propane tanks, toilets,. Crane Testing Study Guide The State of Connecticut Department of Public Safety is pleased to welcome you to the Crane Industry. Rubber tyre gantry cranes are mobile gantry cranes used to stack or ground containers. Cadman Cranes – Crane Size Calculator There are a range of variables to consider when attempting to calculate what size crane is best suited for your project. Though these cranes may be used for excavation, pile driving and demolition, among other things, here we’ll look at some of the many components involved in lifting a load with a mobile crane. Virtually all construction projects require the lifting, hauling or transportation of heavy materials ‘ which is why cranes play a gigantic role in the development of your project. 7 Clarification. We run one of the most diverse fleets available in the UK today, including:. Every crane has a set of counterweights which guarantees the counterbalance and prevents the machine of toppling over. With some basic information on the crane weight, gross load weight and ground bearing pressure, then the size of outrigger cribbing for adequate support can be calculated. German automotive and commercial vehicle component maker ZF Friedrichshafen has developed a multidisc clutch module, called DynamicPerform, which will be installed in crane manufacturer Liebherr’s three-, four- and five-axle mobile cranes, with volume production starting in 2020. It is meant to provide guidance in the assessment of risks and contains information related to the use of mobile cranes for multiple crane lifting where the cranes are operated separately under control of more than one operator. Online rope tension calculator, helps you to find the tension of wire rope that holds a load. The dimensions of the C1 allow it to go almost anywhere, whilst the various drive options mean that this machine can be used in any just about environment. Balancing the forces on the crane caused by the load is a primary function of the counterweight. Buy LEGO Technic 42009: Mobile Crane Mk II at Amazon UK. load weight, crane configuration, rated capacity, and site conditions, some. Our crane selector chart is a simple way of figuring out what type of crane is required for your project. This document provides guidance on managing risks associated with cranes, including tower cranes and mobile cranes. In balance-style cranes, the crane’s beam is balanced at a point, called the fulcrum. WESTPORT, Conn. The construction crew uses the tower crane to lift steel, concrete, large tools - like acetylene torches and generators, and. During the economic boom years, high-rise construction cranes migrated from Beijing to Shanghai to Dubai, where it was estimated in 2006 that there was one tower crane for every 44 residents of the desert boom-opolis. by local laws. Know how to obtain dimensions, weight and center of gravity of the load. Manitowoc cranes are renowned for reliability, return on investment and industry-leading performance. Then measure from that point to the axis of RA rotation. Use the Crane properly: Cranes are engineered for vertical lifting, not to side load or drag something across the ground. Five pieces of information are needed to calculate the weight necessary to free-fall the block or overhaul ball: 1. Secondary crane pads called blocking or cribbing, provides additional support for the crane and its load. 5 Note, applies to all floating cranes. 8 m/s 2) is (ideally) lifted vertically, so no horizontal forces are in play (windy days play havoc for crane operators). Crane weights and axle load information for all models of Broderson cranes. Weight 935 pounds (Counterweight = 700 pounds). We are proud to be one of less than a dozen agencies in the country to regulate cranes and crane operators. Refer to the auto cranes pictured in this section. The cranes that are used to construct high-rise buildings and skyscrapers are called tower cranes. Available in a wide range of lifting capacities and boom lengths, it offers flexible solutions for the most complex of cargo handling tasks. A large percentage of modern construction operations are accomplished with the help of some kind of crane. If you are unsure about the load size and weight, calculate the weight to ensure that it meets your crane. This counterweight must be enough to balance the weight or the crane can become unstable. Never exceed the load capacity of the mobile crane. structural competency, below the hook crane attachments, side loading, and shock loading. If the gross weight is over 50%, the assessment is tripled. Its products are mainly divided into Stiff Boom Cranes and Knuckle Boom Cranes. If allowable line-pull (available torque) is the limiting factor,. The slewing ring beneath the cab allows for a 360-degree turning circle, and the boom extends upwards supported by suspension ropes. In determining permitted weights, the lowest Gross Axle Weight Rating within a grouping shall be used to limit the weights allowed on all other axles within the grouping. A counterweight installation and removal apparatus for a truck-mounted crane includes a counterweight having a bottom surface, a plurality of rollers attached to either the bottom surface of the counterweight or to a crane carrier deck, and at least one inclined surface positioned on the other of the bottom surface of the counterweight or the. %The result CCI is in Te∙m To clarify calculations a Liebherr LTM 1100-5. The 7550 is a 550 ton capcity mobile crane offering 197 feet of main boom and 295 feet of luffing jib. ƩMoments = 0. Clevis grab hook with safety latch. Manitowoc cranes are renowned for reliability, return on investment and industry-leading performance. Verifying that the crane has received its annual inspection is only the beginning. Our Grove line of mobile telescopic cranes ranges in capacity from 8 t - 450 t (8. For example, assume a 2,000 pound load is to be supported by 2 legs of a sling. The crane itself is split between the top tower section and the turntable using something called a climbing frame. For Use in CCO Written Examinations. It simplifies data entry for the BOOM command to calculate the effects of the crane load, boom, jib, counterweight, etc. Crane Weight The maximum weight of the crane to be used 50,000kgs (worst case scenario) 2. Crane Hire 200T Liebherr All Terrain Crane The 200 tonne Liebherr all terrain mobile crane has 72 metres main boom plus fly jib of 22 metres, travels with 16 tons ballast and has extra ballast to a maximum of 76 tons. Verify correct load capacity chart is mounted on crane. For operating a Mobile Crane, you need a mobile wind sensor solution. The first thing a Mobile Crane Operator does after arriving on a site is set up the crane. The Sky Hook Sky Hook Mobile Crane with Utility Cart allows you to reach into equipment, lift an object up to 500 lbs. Click here to view our Sling Calculator. If a crane is designed in accordance with AS 1418. How do I calculate specific outrigger loadings for a mobile crane on 4 outriggers? i have the 0. So, I made them 2 blocks high which resulted in the crane getting so big. Rail Cranes lifting capacity 15 Tons to 250 Tons The rail mounted locomotive crane provides a dependable and economic approach to material handling or construction activities. Manitowoc cranes are renowned for reliability, return on investment and industry-leading performance. Tower cranes are widely used for construction of tall buildings as they can work up to 265 feet as well as lower to 230 feet. It just wouldn’t look right with a crane as well 😉 To add a standard crane model from a recognised brand, scroll through the list to find the e. Spear, CSP, CIH Mobile Crane Safety Factors Affecting Rated Capacity The first step in creating a lift plan is to understand the factors affecting the strength and stability of mobile cranes. Parameters are weight (tonnes) and radius (metres). In speaking about cranes, counterweights are also important with construction zone job safety. Sany Truck Mounted Cranes for sale features maximum reliability and the highest operational efficiency with its lifting capacity ranging from 3t to 30t. Summary: WLL stands for working load limit while SWL stands for safe working load. 65 x weight of the crane +load divide by surface area of the mat. 2 at the Intermat 2015 in Paris, France. This maximizes the crane capacity within the required safety standards. Buy LEGO Technic 42009 Mobile Crane MK II(Discontinued by manufacturer): Building Sets - Amazon. Falling loads from mobile cranes pose a severe hazard to operators and nearby workers. 8 m/s 2) is (ideally) lifted vertically, so no horizontal forces are in play (windy days play havoc for crane operators). LOAD CHART MANUAL LIFT DIRECTOR—MOBILE CRANES These charts have been adapted from the original manufacturer’s charts for use in CCO Written Examinations. fitted iwth a front mounted hiab 066 duo piped crane, groind controls on both sides! in immaculate condition and ready for work. ANSI/ASME B30. Mobile cranes are heavy equipment vehicles that have been designed to lift, lower and transport heavy loads. Accumulator A container in which fluid is stored under pressure as a source of hydraulic energy. The ATF 110G-5 is one of the most powerful cranes in its class. Unbiased values since 1996. Calculation of crane capacity charts. 65 x weight of the crane +load divide by surface area of the mat. Front Bumper Counterweight Rating Over Rear or 360 Degrees On Fully Extended Outriggers Liftcrane Boom Capacities Manitowoc, Wisconsin 54220 U. The towable crane is a unique item that can be towed via a vehicle to multiple jobsites for excellent versatility. Counterweight Sales -- find Used and New Counterweights for Sale and Rent amongst extensive inventory listings on CraneNetwork. The cranes low headroom allows them to be used indoors or even underground. A Terex crane is built to be your tough and ready workhorse. The ground or supporting surface must be capable of supporting the weight of both the crane and its load All cranes must be set up on mats or blocking All cranes must be level and positioned properly The load weight imposed on each crane must be accurately determined Each crane's net capacity must be determined exactly. - Crane Range Calculator - Calculate reach, boom angle, and obstruction clearance. The other factors are the weight of the crane overall and the weight of the trolley and hoist assembly. Q: “How do you calculate the place of a counter weight in a tower crane to balance it?” For a simple crane, especially a model, calculate the mass of the load and the horizontal distance from the centre of the tower to the point where the load han. Stevenson Crane Service, Inc. NOTE: This calculator is only to be used as a guide to the safe lifting weight & mobile crane required. How to Choose the Right Crane for Your Project. The systems basically include different groups of pulley/string mechanisms, each involving a specific pattern of movement for lifting the attached weight in response to the applied effort. Posted March 2003. they often rise hundreds of feet into the air, and can reach out just as far. Make the footprint bigger by using an outrigger pad under the extended outrigger. Newer ones tend to be taller and the materials used are heavier, therefore the newer homes are heavier. It is meant to provide guidance in the assessment of risks and contains information related to the use of mobile cranes for multiple crane lifting where the cranes are operated separately under control of more than one operator. Be aware of the hazards if you operate or work around mobile cranes. To assist employers, Crane Inspection & Certification Bureau (CICB) has provided a fundamental overview of the crane operator evaluation requirements. There are four key aspects to the safe use of cranes: Planning lifting operations. The following glossary provides a list and brief definition of fundamental terms used in the crane industry. Since 1978 Dwight Crane has been providing a complete, reliable and professional service that we feel is second to none. Easy Service The design ensures easy maintenance and service as well as safe access to the components. A 500 tonne eight axle All Terrain crane owned and operated by Sarens UK, overturned at its yard in Brentwood, Essex, UK, a week ago on Saturday. The “Hoisting Engineer” trades (Hoisting Engineer – Mobile Crane Operator 1; Hoisting Engineer – Mobile Crane Operator 2; and Hoisting Engineer – Tower Crane Operator) are compulsory trades in Ontario which apply to operators of mobile cranes capable of raising, lowering, or moving materials that weigh more than 16,000 lbs and to. This allows the carrier to travel with a lighter load to comply with weight restrictions on public roads by not hauling the extra weight around. Cranes for sale and rent. There are a large number of different types of cranes, each with a different use and application. Then hydraulic mechanisms extend or retract the tubes to length or shorten the boom. (3) A mobile crane, telescoping or articulating boom truck or aerial ladder crane shall meet the requirements of (a) CSA Standard Z150-98, Safety Code on Mobile Cranes, (b) ANSI Standard B30. com FREE DELIVERY possible on eligible purchases. Instead, a tension T (force per unit length) is maintained in the cable when the upward force of the crane (redirected by a pulley at the top of the apparatus) exactly balances the weight of the load. Calculate the Moment that the load on the crane arm generates. Crane Weights & Axle Loads. We boast equipment such as the Mobile Gantry Crane, which can lift up to 5000kg. Fuel tanks and hydraulic fluid tanks must be full at the time of weighing. Crane Driver/Operator (CPCS Card) This is the person who will operate the crane to position loads or to rig the crane. ★★★ The Best Freight Rates for you - just try our Freight Cost Estimator. Falling loads from mobile cranes pose a severe hazard to operators and nearby workers. -Crane radius measurement. One of the key concerns of project managers is safety, including the risk of people getting injured or killed at site. This means that the hook of the crane must be placed directly above the centre of gravity for the load, not the centre of the load. Recommended Study Topic: Job Site Knowledge. These bridge components are available in a wide variety to meet the exact requirements of your crane. The type of mobile crane you can drive on the road is dictated by its weight. Note - If when weighed, the vehicle exceeds allowable load limits, the manufacturer. Verifying that the crane has received its annual inspection is only the beginning. excavator configured for crane operation. Best design practices, most reliable raw material selection as grey cast iron and regular safety inspections are essential for the performance of a high-quality counterweight. Use this checklist for mobile crane lift planning Mobile crane incidents can cause devastating results in terms of production, property damage, and loss of human life. China Mobile Truck Crane manufacturers - Select 2019 high quality Mobile Truck Crane products in best price from certified Chinese Electric Crane manufacturers, Truck Crane suppliers, wholesalers and factory on Made-in-China. How TOWER CRANES Work Tower cranes are a common fixture at any major construction site. An entry-level Mobile Crane Operator with less than 1 year experience can expect to earn an average total compensation (includes tips, bonus, and overtime pay) of $18. Types of I-Beam Jib Cranes: • Free Standing Jib Cranes - best coverage / easiest to move solution. Inspectors worked in partnership with engineering and crane experts as well as ACT Fire & Rescue to ensure the delicate operation was conducted safely. To calculate the load on a particular sling leg proceed as follows: Take the total weight of the load and divide this by the number of legs supporting the load. 2 is used as an example. Secondary crane pads called blocking or cribbing, provides additional support for the crane and its load. Hence, for temporary working platforms, the need to measure the in-situ bearing capacity to minimise the risk of a critical failure or incident for mobile crane / temporary cranes applications, piling rig and heavy mining equipment. In this free guide to crane sizes we focus on covering mobile crane sizes. With excellent ground clearance and up to four steering modes, positioning these cranes in even the most rugged terrain is not a problem. How to Calculate Crane Outrigger Cribbing Step 1. Crane Tech teaches a 4 step process: Calculate the FORCE exerted on the ground (i. A mobile crane is a cable-controlled crane mounted on crawlers or rubber-tired carriers or a hydraulic-powered crane with a telescoping boom mounted on truck-type carriers or as self-propelled models. Because I was the only one in the class, they sent me with one of the crane drivers for a day for a dual lift job to see first hand the operations of the crane and get some dogging experience. Being able to calculate tension is an important skill not just for physics students but also for engineers and architects, who, to build safe buildings, must know whether the tension on a given rope or cable can withstand the strain caused by the weight of the object before yielding and breaking. There are many factors to consider when trying to calculate what size crane you need. The counterweights are then added (Figures 9 and 10). ANSI/ASME B30. To calculate this figure, you multiply the design factor by the weight of the load, and then add the overall weight of the crane. The swing radius is the travel path for the boom and counterweight and it should be checked regularly to ensure no objects have encroached in the area. referred to as “critical lifts”. counter weights and reads the corresponding measurement from the tape. Effective February 7, 2019, but delayed until April 15, 2019, the employer must conduct an evaluation of each operator to ensure he/she is qualified. Check the Load Weight to Be Lifted. CRANE WHEEL LOAD DATA W H E E L L O A D S A R E B A S E D O N P R O P O S E D G I R D E R ( A N D S E R V I C E P L A T F O R M ) W E I G H T 1 Wheel load drawing HS2 HM2 NR 2 S NR 1 HM2 NR 3 NR 4 HM1 HM1 HS4 Bf Bf Rmax Stc Rmin Stc Rmax Dyn Rmin Dyn Wb Spa NR 1 NR 2 NR 3 4 SWL 2 Crane information. Now, as you arm out and boom down to center the pipe over the trench, you increase the lift radius to 20 feet and capacity plummets to 15,670 pounds. Understanding Load Sharing In Multi-Crane Lifts. Electric or Battery Power. Operators often are looking to gain a 10-15% more capacity in the chart to get a job. To add a crane to your truck, simply click on the Equipment icon on the left hand side. It shall not exceed 85% of mobile crane. Multiple counterweight variations from 6. Why use this guide? Who is the Crane Association of New Zealand (Inc)? The Crane Association of New Zealand (Inc. BLOCKS- MOBILE CRANE ###MC###‐ #XX Number of Sheaves Sheave O. Booking a site survey is STRONGLY recommended as less than 0. Demag Mobile Cranes. Front Bumper Counterweight Rating Over Rear or 360 Degrees On Fully Extended Outriggers Liftcrane Boom Capacities Manitowoc, Wisconsin 54220 U. The Liebherr 220t mobile crane is able to travel on all terrain, including transit and most district council roads. Boom: The boom of the crane holds the load and is the part of the crane most people recognize. (Hook could weigh up to 1 tonne on a 50 tonne crane). That will give you a moment in ft-lbf. Lift ¾" per pump stroke "The Beech Advantage" is a counterweighted crane with no legs out from to interfere with load lifting or placement. 2 m boom extension, a 11 t counterweight without boom extension, or with the full counterweight of 35 t. The towable crane is a unique item that can be towed via a vehicle to multiple jobsites for excellent versatility. In some cases, this can involve large distances and driving up or down long and steep inclines. Calculate the costs to buy a home. There is also a full line of Enclosed Track Jib Cranes. crane guide. ASUS is a leading company driven by innovation and commitment to quality for products that include notebooks, netbooks, motherboards, graphics cards, displays, desktop PCs, servers, wireless solutions, mobile phones and networking devices. com offers 159 crane counter weight products. 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Length of crane boom 5. WESTPORT, Conn. The mobile crane inspections checklist reviews the OSHA crane standards for equipment inspections. Too heavy and the crane wouldn't be able to move, and the ground would have trouble supporting it. The other factors are the weight of the crane overall and the weight of the trolley and hoist assembly. To The Top Crane | Installation of the counterweights on the back of the superstructure during the set up of the crane. 10) When lifting personnel, the total weight of the loaded personnel platform must not exceed what percentage of the rated capacity of the crane? 12) If a jib's capacity is 5 tons, and the headache ball weighs 900 lbs, the net capacity load would be: 9,010 lbs. The 300 tonne-meter rating tells you the. Online rope tension calculator, helps you to find the tension of wire rope that holds a load. May 8, 2012 in Real Estate. Mobile Version. Main Boom 15. 5 t • Rapid ballasting with keyhole technology from within the crane cab (option) • Compact counterweight dimensions, at 6. Its purpose is to make lifting the load more efficient, which saves energy and is less taxing on the lifting machine. For over 20 years, Harmar has been providing mobility solutions for home and auto that help overcome obstacles and maintain independence. 50+ videos Play all Mix - install weight for 100 Ton mobile crane YouTube; How to build a Tower Crane - Duration: 10:05. 2014 14 reg. When calculating the scale using the wheel size (based on the premise that every other part of the crane is in proper proportion to the wheels, so the rest of the crane should be on the same scale as the wheels) you get 2/1. Summary: WLL stands for working load limit while SWL stands for safe working load. With some basic information on the crane weight, gross load weight and ground bearing pressure, then the size of outrigger cribbing for adequate support can be calculated. Use our calculator to calculate cable weights and get a better idea of how much it will cost to ship and lug around all your video production equipment. When you click on the crane type / model you will get to a comprehensive specification sheet. If the crane has the same capacity at a longer boom length, perform the test with the boom extended. Check the Load Weight to Be Lifted. Demag Mobile Cranes.