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Osha ladder, handrail and
stair design and drafting

Osha ladders, stairs, platforms and handrails compliant with OSHA health and safety regulations are required on many jobsites and industrial locations. While OSHA is a United States Occupational health and safety standard, many companies and other countries have adopted these safety ladder standards in the their construction projects because the standards reduce accidents and associated costs.

OSHA standards formalize guidelines for stairs, ladders and handrails so that are safe and easy to climb. The standards also layout the safe design of platforms. OHSA ladder standards reduce potential cost due to accident claims and create a better physical environment to work in.

In many situations, new equipment has to pass safety regulations before it is approved for use. For example, fixed access ladders need a safety cage starting 7 feet from grade. Platforms require a 4 inch toe rail at foot level to prevent tools from being accidently kicked off the platform

The rise and run of stairs has to meet an established formula so that works dont trip going up or going down and tread nosings have to be made of slip resistant materials. Thre are directions on the height of handrails and the materials from which the can be made as well as the avoidance of pinch points where railing sections meet

We can provide complete safety ladder plans at less cost than your in house drafting staff. Simply send us the elevations which you wish to climb to using the ladder and we will provide you with manufacturing drawings for an osha compliant ladder. Please note that the ladder cannot be longer than 30 feet between elevations. For distances greater than this, multiple ladders and platforms will be required.



> Safety ladders and handrails
 
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AAA Drafting Blog
A SolidWorks designer talks about stuff related to CAD and mechanical design
  • Sketching on a SolidWorks drawing

    If you are new to SolidWorks, there can be times when things are a little frustrating. One of those simple things is adding notes or sketching lines on an exisiting drawing with several views.

    You add your note or centerline and then move one of the views but the note you added stays where it is and you end up having to move it seperately.

    Or you have a note that belongs somewhere else in the drawing that gets moved when you are rearranging views when you dont want it to.

    The solution to these problems is found in these excerpts from the SolidWorks help section.
     
    Lock View Focus.
    Allows you to add sketch entities to views, even when the pointer is close to another view. You can be sure that the items you are adding belong to the views you want. You can also double-click views to lock the focus.
    So if you want to add a note or a line to views and have them move when you move the view, click in the views, right click and lock the view focus, then add the items you want.

    Once you are finished just click the views and unselect the lock view focus. Now your items should move in lock step with the views.

    What about notes that you want to be part of the sheet. Say you have some general material or heat treatment notes that you dont want to have moved when views are manipulated. You need to use lock sheet focus.

    Lock Sheet Focus.
    Allows you to add sketch entities to the sheet. Otherwise, the sketch entities belong to the view that is closest to where you begin sketching. You can also double-click a sheet to lock the focus. Lock Sheet Focus is available when at least one drawing view is present. When Lock Sheet Focus is enabled, the drawing sheet border is pink.

    Finally if you are in a situation where you want to lock certain projections in postion use lock view position. I find this useful when I want to use a single projection to show an open or closed position by superimposing views on top of each other:

    Create two views of the same part or assembly. Align them horizontally or vertically as required. Right-click anywhere in the desired view and select Lock View Position. Then you can line up the copied views right over top of the original, making it look as if both are the same.
    Following these directions should help so that notes and sketched lines dont end up where they are not supposed to be!