Rung Ladder Constraints
- Last UpdatedFeb 23, 2023
- 4 minute read
Constraints allow the administrator to specify the standard to be used for the rung ladder and the default values. By default, SLH checks to make sure that the default values are between the minimum and maximum values specified in the standard.
To remove Rung Ladders from the Defaults, click to clear the Included check box.
The functionality available from the Constraints for Rung Ladder part of the Create Defaults window is identical to that available from the Constraints for Stair Flight part of the Create Defaults window. Refer to Stair Flight Constraints for further information.
The Cage part of the Create Defaults window allows the administrator to define the defaults and specify the allowable configurations for the rung ladder cage.
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Allow cage omission |
Select the check box to allow the user to omit the cage completely when creating a rung ladder. |
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Omit cage by default |
Select the check box to omit the cage by default. |
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Flared cages in |
Select a cage type from the drop-down list to define the type of flared cage used:
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Flared cage offset |
Input a value in the field to define the flare for rung ladder cage assemblies with a flared cage. |
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Exit hoop extension |
Input a value in the field to define the distance that the exit cage hoop bars extend into the platform beyond the picked edge. The distance is measured from the picked edge to the end of the bars. The value coupled with the Top Exit Distance gives the total length of the exit hoop bars. |
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Top hoop offset |
Input a value in the field to define the distance that the top tube cage hoop is offset from the top rung (or Upper Work Point) and measured from the bottom of the hoop. |
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Side exit cage clearance |
Input a value in the field to define the distance between the cage and the picked edge. The ladder origin is therefore positioned at this value plus half the cage width. |
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Cage exit width |
Input a value in the field to define the cage exit width for a front exit rung ladder. |
The Top part of the Create Defaults window allows the administrator to define the defaults for the top of the rung ladder.
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Allow top rung omission |
Select the check box to allow the user to omit the top rung of the ladder when creating a rung ladder. Not selected means the top rung is level with FFL. The Omit check box and the Curtail distance field is displayed. |
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Omit |
Select the check box to omit the top rung of the ladder by default when creating a ladder. |
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Curtail distance |
Input a value in the field to define the distance the stiles are extended above the top rung. |
The Bottom part of the Create Defaults window allows the administrator to define the defaults for the bottom of the rung ladder.
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Always truncate |
Select the check box to truncate the stiles at the bottom of the rung ladder by default, if the check box is not selected the user has the option to truncate or not. |
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Truncate stile after bottom rung |
Select the radio button to allow the user to truncate stiles below the bottom rung, the Curtail distance field is displayed. |
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Curtail distance |
Input a value in the field to define the distance to truncate the stiles below the bottom rung. |
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Use clearance from bottom |
Select the radio button to allow the user to truncate stiles from the finished floor level, the Clearance from FFL field is displayed. |
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Clearance from FFL |
Input a value in the field to define the distance to truncate the stiles the stated distance from the finished floor level. |
Click Next to display the Detailing for Rung Ladder part of the Create Defaults window. Refer to Rung Ladder Detailing for further information.
Click Back to return to the Detailing for Handrail part of the Create Defaults window.
Click Cancel to discard any inputs and return to the SLH Administration Tasks window.