List the types of fall protection systems referenced in the documents for this m

Question

List the types of fall protection systems referenced in the documents for this module.

List the types of fall protection referenced in the readings.

Summarize the differences and similarities between a Warning Line and a Controlled Access Zone.

Identify some of the difficulties in establishing a safety net system.

List the conditions which dictate that fall protection is required on a scaffold.

Summarize the options available to achieve fall protection on a pole and platform type scaffold.

List up to 10 general requirements for all scaffolding types.

Based on the training requirements listed on pp. 378-379 of your textbook, what is the role of the Competent Person during scaffold erections, use, and disassembly?

Explanation / Answer

1. List the types of fall protection systems referenced in the documents for this module.

The fall protection systems reference in this module are guard rails, safety nets, personal fall arresting system, warning lines, safety monitoring system, covers, canopies, and toe boards.

2. List the types of fall protection referenced in the readings.

The fall protection systems reference in the readings are guard rails, safety nets, personal fall arresting system, warning lines, safety monitoring system, covers, and overhead protection.

3. Summarize the differences and similarities between a Warning Line and a Controlled Access Zone.

Warning lines erect around all sides of a roofing area. Control access zones are designated areas where certain work goes on, they are used to keep out un-authorized workers. They are similar due to the use of ropes, wires, chains or support stanchions when making the perimeter of the work area.

4. Identify some of the difficulties in establishing a safety net system.

The difficulties in establishing a safety net system is that the clearance underneath must be accurate, the extension of the net must be right as well, and the net must be free from obstruction. The net must also be certified by certified personnel who come out to inspect the net to ensure there are no defects.

5. List the conditions which dictate that fall protection is required on a scaffold.

According to 1925.500 OSHA clarifies an employer must provide fall protection for employees, such as identifying and going over fall hazards and getting the proper training. They must provide the protection for scaffolds.

6. Summarize the options available to achieve fall protection on a pole and platform type scaffold.

To achieve fall protection on a pole or platform is to be fully planked or decked between front uprights and have guard rail supports.

7. List up to 10 general requirements for all scaffolding types.

(1)

Scaffolds shall be furnished and erected in accordance with this standard for persons engaged in work that cannot be done safely from the ground or from solid construction, except that ladders used for such work shall conform to 1910.25 and 1910.26.

(2)

The footing or anchorage for scaffolds shall be sound, rigid, and capable of carrying the maximum intended load without settling or displacement. Unstable objects such as barrels, boxes, loose brick, or concrete blocks shall not be used to support scaffolds or planks.

(3)

All planking or platforms shall be overlapped (minimum 12 inches) or secured from movement.

(4)

Scaffolds and their components shall be capable of supporting without failure at least four times the maximum intended load.

(5)

Scaffolds and other devices mentioned or described in this section shall be maintained in safe condition. Scaffolds shall not be altered or moved horizontally while they are in use or occupied.

(6)

Any scaffold damaged or weakened from any cause shall be immediately repaired and shall not be used until repairs have been completed.

(7)

Scaffolds shall not be loaded in excess of the working load for which they are intended.

(8)

All load-carrying timber members of scaffold framing shall be a minimum of 1,500 f. (Stress Grade) construction grade lumber. All dimensions are nominal sizes as provided in the American Lumber Standards, except that where rough sizes are noted, only rough and undressed lumber or the size specified will satisfy minimum requirements. (Note: Where nominal sizes of lumber are used in place of rough sizes, the nominal size lumber shall be such as to provide equivalent strength to that specified in tables D-7 through D-12 and D-16.

(9)

All planking shall be Scaffold Grade as recognized by grading rules for the species of wood used. The maximum permissible spans for 2- X 9-inch or wider planks are shown in the following table:

(10)

Nails or bolts used in the construction of scaffolds shall be of adequate size and in sufficient numbers at each connection to develop the designed strength of the scaffold. Nails shall not be subjected to a straight pull and shall be driven full length.

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