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Posted By David Thomas
I have just been asked to "raise the height" of a desk.
Is there any "suggested" height that a desk should be at, bearing in mind that the majority of desks here are made up into groups of 4 ??
Thanks in advance for your help
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Posted By Robert K Lewis
Depends on the person who is going to sit at it. It needs to be of such a height that the user can adequately adjust their chair to give knee clearance and/or keep their feet on the floor (or footrest provided). Also their body position must be ergonomically correct for the task
Bob
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Posted By Ian Clarke
For a "suggested/average height" you are looking at a clearance height (between floor and bottom on table) of just over 70cm.
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Posted By Paul Leadbetter
David
The standard height for an office desk is 72cm; this is a compromise between some conflicting dimensions and as such will not always suit everybody. Better desks have height adjusters fitted as standard.
Paul
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Posted By John E Ridd
A simple rule of thumb that works most/some of the time is: anyone 5'10" or taller is likely to require a desk where the leg clearance is greater than that provided by the standard 72cm high desk. Obviously, everyone's body proportions are different, but the above means that there are nowadays many workers sitting at desks that are too low for them with the result that they may suffer hip or back problems.
Current (non mandatory) Standards (ISO9241) suggest that work surfaces should be height adjustable from the normal working position, and there are a number of reasonable priced examples now available (I have no beneficial connection with any suppliers).
Quite often a piece of 4x2 placed beneath the desk feet/base is sufficient to raise the desk safely, but four desks fitted together should not be used as an excuse by management not to do anything.
Some companies that have recognised this 'growing' (sorry) problem have set up desk modules where all four are raised and used only by taller workers. Alternatively raise the four desks and provide adequate footrests/false floors for those that need them; but don't ignore the request - I've seen a number of litigants who argue this to have been the cause of their problems.
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Posted By Dave Daniel You may wish to refer to the work of A C Mandal - a Danish Ergonomist, who published a small informative and entertaining book on seating and work some years ago ("The Seated Man - Homo Sedens"). He now has a Website at: http://www.acmandal.com/He argues powerfully for a 900mm high desk and forward-inclined high chair and make the point that whilst we are all getting taller, standard desk heights have gone down. Dave Daniel
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Posted By Jo Scott Smith
I had to do this recently. My solution was to raise desk on wooden blocks. These cost £6 for 4 although I came across one supplier charging, if I recall correctly £25 for a set!.
Product is called Tblocks and came from The Osmond Group.
Hope this helps
JO
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Posted By David Thomas
Many thanks to all for the replies, far more useful than I had expected considering the original request could have been taken as a joke.
Now that a DSE risk assessment has been carried out it transpires that the individual concerned is not of "standard" size, in that he is well over 6ft, but his legs are out of proportion to his trunk, this results in him sitting at the desk with his arms bent at 45degs instead of the more normal 90degs. This is causing problems with his wrists and causing strain to shoulders and back.
I have considered the raising of the desk with blocks, but it is a group of 4 and others will suffer with the reverse problem. I could fit a spare desk top onto the existing but that would cause other problems and be a very inelegent answer.
If I may ask another question - has anyone come across this problem before and been able to source a box arrangement that will lift the keyboard up by 2" above the desk ???
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