| What is an endless sling? What are the different types listed in the picture below? | a. splicing the ends of a piece of wire or fiber rope
b. 1. choker hitch 2. basket hitch 3.endless chain sling |
| What type of slings are these? | Single slings; typically used for lighter loads if made of fiber rope, or a variety of uses if made of wire. This includes hoisting drafts of lumber, dunnage, iron pipe, building steel, strong boxes, and large cases. |
| What are combination slings? | -combine two or four single slings to form a bridle, basket, or choker sling
-can lift any type of load |
| What are chain slings used for? | -for handling steel rails, pipes, beams, angles, bridles, or single legs
Note: the sling's links are wrought iron; this iron will stretch before it breaks, thus giving warning. Watch for warning signs such as stretching links, fracturing, and stretching hooks. |
| What is a canvas sling? | -a rope sling with a section of canvas sewn between the ropes |
| What is this and what is it used for? | Pie plate
-reduces the crushing effects of a cargo
-constructed of two dunnage layers, or cargo boards |
| What is a stevedore pallet? | Stevedore pallet
- used to handle loose cargo at water terminals
-the inside stringers are arranged to permit easy entrance of forks for movement by forklift trucks. |
| Describe the use of cargo nets | -used to handle loose packages that are not all the same size.
-usually made of manila rope |
| What is a general purpose pallet? | -a four-way-entry wood pallet
-used mainly for the shipment of palletized cargo |
| What is a sled pallet? | -a heavy timbered platform with runners
-supplies and equipment are normally banded to the pallet. |
| What is a warehouse pallet? | -lighter than the stevedore pallet.
-the warehouse pallet can be the open end type that is moved by a forklift or hoisted by a pallet bridle, or the closed end type that is moved by forklift only. |
| What is the purpose of a spreader? List 4 commonly used spreaders. | -any device used to keep the side pressure of the sling legs away from the load being hoisted.
1. vehicle spreaders with wheel nets.
2. heavy-lift spreaders.
3. barrel sling spreaders.
4. pallet bridle spreaders. |
| What is the purpose of a bridle? List 4 commonly used bridles and their use. | -lifting devices designed to hoist special types of cargo.
1. pallet bridle (quick efficient handling of palletized cargo)
2. beam bridles (remove hatch beams from their sockets)
3. vehicle bridles (handling of vehicles)
4. heavy duty bridles (reduce side pressure on heavy lifts) |
| What are plate-handling clamps? | -used to handle steel plates |
| List 3 cargo-handling aids and their uses. | 1. wedge point bars:
-used to shift heavy cases into position over short distances with grease or used to pry a case to get rollers underneath for longer distances
2. rollers:
-move cargo from the wings and ends of a hatch to the square of the hatch; pallet dollies, single rollers, or gravity conveyors
3. tag lines:
-controls the swing of the draft as it is being hoisted or lowered |
