Landslides occur when these soils become saturated and heavy, and gravity beckons.
Soft soil not retained by ledge or deep-rooted trees on steep slopes is prone to dangerous landslides that can affect areas tens of times larger than a single home site and may impact hundreds of lives. What are the issues of building on steep slopes? This is a long post, so if you don't have the time to read this over a nice cup of tea, go directly to the last section, “Tips for building site hunters regarding steep slopes” … and please return later to read the entire piece! What are the concerns with building on a steep slope how are they addressed and what is the cost of addressing them? Building on steeper slopes often presents challenges, and this type of construction is carefully regulated by local jurisdictions that vary, as do local soil types.Ĭodes that restrict building exist to protect the environment and the people who share it. The ideal slope for in-ground building is a slope of 5 to 7 feet through the width of the house, or 15% to 20%. A more measurable benefit of building into a slope is often reduced heating and cooling expenses -and added comfort- that result from the temperature of the soil five feet below grade (the “outside air temperature” of these spaces) is a constant 52 degrees year-round. And if properly designed, the in-ground living area can be bright and spacious.Įnvironmentally responsible site design begins with minimizing disturbance to any site, and working with the existing topography is an essential ingredient. I also got a picture of the water when it was rushing after a storm so I could see how far I could put the stone on the path before it would wash away.Building into a gentle slope can enhance the efficiency of a design by providing living space inside the foundation and requiring less additional material and labor than the same amount of space above grade.
70% off and twisted a bit but once most of the boards were cut down, it wasn't too bad and I had a 15 foot bridge for less than $50 plus some deck screws.Īt the end of the path, I moved some of the sandstone to create a walkway boundary to keep the kids out of the poison ivy. I used Cull lumber from Home Depot for this. While constructing the path, I used some logs to traverse the area but I added a treated lumber bridge once the majority of the stone was down.
In the path, there is a natural spring that keeps an area rather wet and muddy. I added a bunch stone more at the bottom to make a path as well. It is a compacting limestone so once it rained, it was nice and hard. I dug out some of the mud and clay between the steps and added the stone on top. In order to avoid mud on the steps and people slipping, I added limestone, carried down the hill two 5 gallon buckets at a time.
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