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Safety Tips
As a first step, we wish to share with you some safety information to create a safe working atmosphere.

In order to keep a workplace safe during hoisting operations, you must begin with a safe, inspected hoist, a stable, well-rigged load, and a qualified and trained operator. The following lists provide common do’s and don’ts. Follow these simple guides and you should have successful and safe hoisting operations at your facility.
Read and follow the Manufacturer’s Operations and Maintenance Instructions (O&M Manual).   Use the hoist load limiting device to measure the load.  
Be familiar with operating controls, labels and signage, and warnings on the unit.   Remove, deface, or obstruct any of the manufacturer’s warnings or labels.  
Verify load rating and compare to load to be lifted, overloading the hoist is VERY DANGEROUS.   Use a damaged hoist or one that has not passed pre-use inspection for any reason.  
Make sure the unit is secured to a suitable support prior to applying a load.   Operate the unit if impaired or otherwise unfit to use the equipment and don’t allow your attention to be diverted from the hoisting operation.  
Ensure hook latches are closed and are not supporting any part of the load.   Lift a load unless the chain is properly seated in chain wheel or sprocket.  
Inspect all associated rigging before each use.   Permit more than one operator to pull on a single hand chain or lever at one time.  
Take up slack carefully, check load balance periodically, and continue raising load carefully.   Operate the unit with any lever extension (cheater bar).  
Avoid swinging the load.   Use hoist to lift, support, or transport people.  
Protect chain from weld spatter and other damaging chemicals like corrosives.   Lift or suspend loads over people working in the area.  
Provide adequate lubrication and care of the unit according to the Manufacturer’s Operations and Maintenance Instructions.   Allow the chain to be used as a ground for welding or allow chain to be contacted by a live welding electrode.  
Promptly report any malfunction, damage or unsafe act or condition noted with the hoist.   Repair or adjust a hoist or any part of the mechanism unless qualified to perform this type of maintenance.  
Keep good records of preventative maintenance and repairs done on the unit.        
A sling capable of lifting 1000 lbs. In a 0 degree vertical basket hitch can only lift 866 lbs. At a 30 degree angle, 707 lbs. At a 45 degree angle and 500 lbs. At a 60 degree angle. Safety training there are good practices to follow to protect yourself while using slings to move materials. First, learn as much as you can about the materials with which you will be working. Slings come in many different types, one of which is right for your purpose. Second, analyze the load to be moved - in terms of size, weight, shape, temperature, and sensitivity - then choose the sling which best meets those needs. Third, always inspect all the equipment before and after a move. Always be sure to give equipment whatever "in service" maintenance it may need. Fourth, use safe lifting practices. Use the proper lifting technique for the type of sling and the type of load.
  Do not exceed rated capacities!    
      Safety inspections - boiler and pressure vessel safety
Do's and don'ts of high pressure boiler operations 
The following is a partial list of operational guidelines and requirements, which will provide a safer, more economical operation and extend the operating life of your boiler.
Don't operate a boiler unless it is equipped with a safety valve, with sufficient relieving capacity, set at or below the maximum allowable working pressure.
Don't ever bypass the pressure controls, low water cutout, or any other limit switch or control.
Don' t ever restrict the design function of any safety valve, such as by reducing or plugging the outlet, painting, or removing it.
Don' t permit unqualified personnel to operate a boiler.
Don't ever leave the boiler unattended for long periods of time.
Don't operate a boiler without a valid certificate of inspection.
Do respect the boiler. It can be dangerous!
Do have the vessel inspected internally annually.
Do test safety controls and devices on a periodic basis.
Do ensure boiler operators are adequately trained to assure safe and efficient operation.
Do inspect the boiler daily for proper operation, and/or adverse conditions.
Do maintain a log of incidents that effect boiler operation, and when safety controls and devices were tested (i.e., low water cutout, safety valve (s), combustion controller).
    1. What do you understand by the following:    
(a) The maximum pressure at which the air receiver is designed to operate. This pressure has been determined by calculations and proved by various tests.
(b) The maximum pressure at which the inspecting authority will permit the air receiver to operate.
(c) The pressure the owner/manager decides the air receiver will operate at, usually in the order of 10 per cent below the authorized working pressure so that the safety valves are not lifting all the time.
    a.Design pressure?      
b.Authorized working pressure?  
c.Working pressure?  

2. What is the relationship between design pressure, authorized working pressure and working pressure?    
2.The authorized working pressure can be the same as the design pressure or less but can not be greater than the design pressure. The working pressure can be the same as the authorized working pressure but for practical purposes it is usually 10 per cent less.
3. Are the pressure gauges on your air receiver checked for accuracy, and if so, what period of time exists between the checks?
3.Pressure gauges should be checked at least every 12 months, and certainly prior to setting or checking. The lift pressure of a safety valve.

4. What is the maximum pressure at which a safety valve can be set to lift?
    4.The maximum set pressure of a safety valve can be no greater than the authorized pressure.
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