Ontario Building Code Fence Post Depth

The ontario building code basic footing widths and areas 9 15 3 4.

Ontario building code fence post depth.

With my fence i was not able to get all the holes to the same depth but the fence has remained stable. Forming part of sentence 9 12 2 2 1. Imo 2 feet is not enough for a post hole. 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.

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. It is critical that the bearing pressure of the soil can handle the load being placed on it and rests on undisturbed soil. Minimum depths of foundations. If not conventional rules of thumb offer a reliable guide.

Don t make postholes too small building codes and ordinances in your area may stipulate a legal depth and diameter for fence post holes. 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. Here are a four tips to help you find the correct fence post hole depth. Basic footing widths and areas 1 except as provided in sentences 2 and 3 and in articles 9 15 3 5.

If the post is only 2 feet below grade then there might be more lateral movement if your fence. Keep the height of your fence in mind when digging your post holes. Forming part of sentence 9 15 3 4 1. It s a lot harder to push over a post that s buried deeply so always keep that in mind.

In addition some building authorities have code specifications for fence construction including minimum post size and burial depth. However we have not had a severe cold winter in some time. 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. The depth of your post hole plays a key role in the strength of your posts.

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. For example a 6 foot tall fence will need at least 2 feet of post in the ground. To 9 15 3 7 the minimum footing width or area shall comply with table 9 15 3 4. The ontario building code minimum depth of foundations 9 12 2 2.

As a general rule of thumb you ll need to place at least 1 3 the height of the post in the ground.