Ontario Building Code Fence Post Depth
To 9 15 3 7 the minimum footing width or area shall comply with table 9 15 3 4.
Ontario building code fence post depth. Minimum depths of foundations. Keep the height of your fence in mind when digging your post holes. For example a 6 foot tall fence will need at least 2 feet of post in the ground. Don t make postholes too small building codes and ordinances in your area may stipulate a legal depth and diameter for fence post holes.
Imo 2 feet is not enough for a post hole. And being in a extended drought the fence post auger episode was quite a project but i have managed to set all of my posts 4x4x8 0 treated. The ontario building code minimum depth of foundations 9 12 2 2. However we have not had a severe cold winter in some time.
The other thing to consider is stability. In addition some building authorities have code specifications for fence construction including minimum post size and burial depth. It is critical that the bearing pressure of the soil can handle the load being placed on it and rests on undisturbed soil. Here are a four tips to help you find the correct fence post hole depth.
Minimum depth of foundations 1 except as provided in sentences 4 to 7 the minimum depth of foundationsbelow finished ground level shall conform to table 9 12 2 2. Forming part of sentence 9 15 3 4 1. If the post is only 2 feet below grade then there might be more lateral movement if your fence. The posts being 8 0 long i buried them 30 into the ground.
If not conventional rules of thumb offer a reliable guide. If you re setting a post into soft ground or in an area that receives high winds it s always a good idea to bury your posts a little deeper and add more concrete. As a general rule of thumb you ll need to place at least 1 3 the height of the post in the ground. Forming part of sentence 9 12 2 2 1.
With my fence i was not able to get all the holes to the same depth but the fence has remained stable. In most of southern ontario 4 feet deep is the norm technically part 9 of the ontario building code states 1 2m which is 3 927 feet however it is not sufficient to simply use depth as the only guideline. While local variation is typical for privacy fences pool enclosures are another matter in that most cities have similar minimum requirements based on national standards. The ontario building code basic footing widths and areas 9 15 3 4.
It s a lot harder to push over a post that s buried deeply so always keep that in mind.