1 all handling activities should be planned 2 plan a

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1) All handling activities should be planned. 2) Plan a system integrating as many handling activities as possible and coordinating the full scope of operations. 3) Plan an operation sequence and equipment arrangement to optimize material flow. 4) Reduce, combine or eliminate unnecessary movements and/or equipment. 5) Utilize gravity to move material whenever practicable. 6) Make optimum utilization of building cube.
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206 7) Increases quantity, weight, size of load handled. 8) Provide for safe handling methods and equipment. 9) Use mechanized or automated handling equipment when practicable. 10) In selecting handling equipment, consider all aspects of the material to be handled, the move to be made, and the methods to be utilized. 11) Standardize methods as well as types and sizes of handling equipment. 12) Use methods and equipment that can perform a variety of tasks and applications. 13) Minimize the ratio of mobile equipment dead weight to pay load. 14) Equipment designed to transport materials should be kept in motion. 15) Reduce idle or unproductive time of both handling and manpower. 16) Plan for preventive maintenance and scheduled repair of all handling equipment. 17) Replace obsolete handling methods and equipment when more efficient methods or equipment will improve operations. 18) Use material handling equipment to improve production control, inventory control, and order handling. 19) Use handling equipment to help achieve full production capacity. 20) Determine efficiency of handling performance in terms of expense per unit handled. 16.3.5 MATERIALS HANDLING EQUIPMENT The various types of equipment available for materials handling may be divided into three major divisions. 1) Lifting and lowering devices (Vertical motion) 2) Transporting devices (Horizontal motion) 3) Combination devices (Lifting and lowering plus transportation) 16.3.6 LIFTING AND LOWERING DEVICES In establishing this division only vertical motions not accompanied by any horizontal motion are considered. A block and tackle is one of the oldest and simplest methods of lifting something through a vertical distance. It depends on manpower and gives only the mechanical advantage. It is the oldest form of lifting, the most inexpensive in cost and the most wasteful of manpower. Winches are devices that effect vertical motion by the rope or cable on a drum. Here it is possible to get much greater mechanical advantage than with a block and tackle by using manpower or other power. These are frequently used in loading heavy equipment into ships, construction equipment into building and in similar jobs. Hoists are power driven devices often operated between fixed guide nails for lifting things vertically. They are similar to elevators except that, a hoist does not carry the operator on it.
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207 Elevators are differentiated from hoists by the fact that the operator rises with the load. Generally electric drive is used in elevators.
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