Can anyone give me some advice about the maximum loading for wooden joists? My MD’s office is situated in a converted house on site and he has asked me to look into having it redecorated. His chosen preference for the new décor is dark oak furnishings with a slate floor. So far I have had the old floor boards lifted and replaced them with 18mm T&G chipboard screwed down at 200mm centres (the green moisture resistant type). During this process a visual inspection of the joists was conducted and they were found to be in good condition. The room in question is approximately 2m x 3m with the 9 (150mm x 50mm) joist spanning the 2m length every 360mm. What I need to now is the max safe load I can put on this floor I have calculated the approximate wait of the tiles, adhesive, and desk etc… Please help, as I feel sure that my boss falling through the floor of his office would be bad for my career!
John Jolliffe (A quality Engineer out of his depth!!!)
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