Which factors affect the selection on Crane?
Three Factors You Should Consider When Choosing a Crane
- The duration of the job and the size and weight of the material you will be lifting. Cranes have different specifications, capacities and functionalities.
- How will equipment be transported.
- The conditions of the construction site.
What are the factors to consider in selecting the equipment?
- Suitability for Job Conditions: The Equipment must meet the requirement of the work, climate and working conditions.
- Size of Equipment:
- Past Performance:
- Operating Requirements:
- Reliability of Equipment:
- Economical Aspects:
- Service Support:
- Use in Future Projects:
What are the factors affecting the selection of construction equipment?
FACTORS AFFECTING SELECTION OF CONSTRUCTION EQUIPMENT
- USE OF EQUIPMENT AVAILABLE WITH THE ORGANIZATION.
- SUITABILITY FOR JOB CONDITION WITH SPECIAL REFERENCE TO CLIMATIC AND OPERATING CONDITIONS.
- UNIFORMITY OF TYPE.
- SIZE OF EQUIPMENT.
- USE OF STANDARD EQUIPMENT.
- COUNTRY OF ORIGIN.
- UNIT COST OF PRODUCTION.
How do you choose a crane?
Here are seven tips for choosing the right crane for your project.
- Check the Load Weight to Be Lifted.
- Know the Lift Height.
- Find the Moving Distance (Horizontal).
- Evaluate the On-Site Terrain.
- Evaluate Access to the Project Site.
- Check Possible Safety Issues.
- Check the Cost.
How is SWL of Crane calculated?
To calculate the SWL in kilograms of FSWR square the rope diameter (D) in millimetres (mm) and multiply by 8.
- Formula: SWL (kg) = D2(mm) x 8.
- Formula: D(mm) = √L(kg)
How is crane capacity determined?
Tips On Choosing the Right Size Crane
- Calculate the maximum radius from the center of pin.
- Confirm the total weight of the load.
- Determine clearance issues, either height under ceiling or overhead obstructions.
- Allow for the height of obstructions between crane and load.
- Consider the hook height required with lifting equipment.
How far can a 30 ton crane reach?
Hydraulic Truck Cranes Hydraulic trucks range from 30 to 600 ton capacity and feature a hydraulic boom that can reach lengths up to 200 feet.
How much can a 50 ton crane lift?
Crawler Crane Information It has a 50 ton (45.4 t) max lift capacity, 160 ft.
What are the most common types of crane accidents?
OSHA’s analysis of crane accidents identified the major causes of crane accidents as:
- boom or crane contact with energized power lines (nearly 45% of the cases)
- under the hook lifting device.
- overturned cranes.
- dropped loads.
- boom collapse.
- crushing by the counter weight.
- outrigger use, falls and rigging failures.
What are the four main causes of crane accidents?
The main four causes of crane accidents are contact with power lines, overturns, falls, and mechanical failure.
How can we prevent crane accidents?
Preventing Deadly Texas Crane Accidents
- Restricting crane operation. Only trained and qualified personnel should be allowed to operate a crane.
- Labeling crane load limits.
- Training employees about crane clearance.
- Providing safe walkways around cranes.
What causes most crane accidents?
Crane accident fatalities occur from a variety of causes. The most common cause of fatalities is workers or bystanders who are struck by an object that falls from the cranes. Other causes include being run over by a crane, falling from a crane, and electrocution.
What are the hazards in crane lifting?
Shifting of materials from one place to another place using Crane and Boom truck (Lifting) is a critical work which has the following hazards:
- Falling of load.
- Hitting & crushing of a load to existing facilities.
- Toppling of Crane.
- High wind speed, Poor communication and poor visibility.
Which of the following is the most dangerous factor among crane accidents?
OSHA has identified the major causes of crane accidents to be boom or crane contact with energized power lines (nearly 45% of the cases); overturned cranes; dropped loads; boom collapse; crushing by the counter weight; outrigger use; falls; and rigging failures.
How common are crane accidents?
(2) OSHA’s analysis of crane accidents in general industry and construction identified an average of 71 fatalities each year.
What type of person can perform an annual crane inspection?
29 CFR 1926.550(a)(6) requires an annual inspection to be completed before a crane may be operated in the United States; it states: (6) A thorough, annual inspection of the hoisting machinery shall be made by a competent person, or by a government or private agency recognized by the U.S. Department of Labor.
What is the world’s largest crane?
The Liebherr LTM 11200-9.1, built by the German company Liebherr Group, is the most powerful mobile crane ever built. It also has the longest telescopic boom in the world, which extends fully to 100 meters. It’s set on a double cab truck and can lift 1200 metric tons – that’s nearly 700 automobiles.
Who should inspect a crane?
OSHA regulations only require that such equipment be inspected during initial use and annually thereafter by a “competent person”, or by a government or private agency recognized by the U.S. Department of Labor. The owner must, also, maintain a record of these inspections.
What are the two parts of a frequent crane inspection?
Frequent inspections cover the operating mechanisms, parts of the air or hydraulic systems, and the hooks and hoist chains. These items need to be visually examined on a daily basis.
How often do mobile cranes need to be inspected?
every 12 months
How often should a crane be serviced?
For inspections, if this is not practicable, they must be completed at least annually. Cranes should be routinely inspected and tested even if they are not operated regularly. This is because the crane may have deteriorated through corrosion or be damaged.
What must be clearly displayed on any overhead crane?
The rated load of the crane shall be plainly marked on each side of the crane, and if the crane has more than one hoisting unit, each hoist shall have its rated load marked on it or its load block and this marking shall be clearly legible from the ground or floor. Clearance from obstruction.
How often do hoists need to be inspected?
every six months
What is a Loler test?
The Lifting Operations and Lifting Equipment Regulations (LOLER) are in place to ensure that all lifting equipment is used in a safe manner. LOLER testing must be performed by what is known officially as a ‘competent person’: someone qualified to perform the thorough examination.
Who can inspect lifting equipment?
Under the Lifting Operations and Lifting Equipment Regulations 1998 (LOLER), lifting equipment inspections should be carried out by competent persons. A competent person is someone who has the right experience and knowledge to thoroughly understand what they are looking for.
How much does a Loler test cost?
A LOLER test can cost as little as £125* and will provide you with real peace of mind.
Do I need a Loler certificate?
LOLER only applies to lifting equipment which is used at work. However, this equipment fitted in places with public access is subject to the HSW Act, and should be thoroughly examined and inspected for safety, using LOLER and PUWER requirements as a guide.
Is Loler a legal requirement?
LOLER Inspections These are a legal requirement and should be carried out by a competent person, usually an insurance company will provide a competent person or request a third party independent Inspector.
What is covered under Loler?
The LOLER Regulations cover a wide range of equipment including, cranes, fork-lift trucks, lifts, hoists, mobile elevating work platforms, and vehicle inspection platform hoists. The definition also includes lifting accessories such as chains, slings, eye bolts etc.