After your application has been approved, you should now have your roof trusses fabricated, if you don t have the tools nor the skills to do this, most lumber yards can do this for you for a minimal fee. When you have the trusses ready, you need to mark the wall of your shed to determine where the trusses will be anchored to usually an interval of 2 feet of space is done. You will have fewer problems attaching your walls later on if you are able to make sure that everything is leveled. If not, your shed will have gaps which can then allow rain water, dirt and moist to get inside your shed possibly damaging your belongings. Most importantly though, before doing any projects such as a lean to shed, it is best to first check with your local planning and zoning office. They have been the first choice for many homes, garages, buildings, and different other structures designed for strength and for durability. So if steel is good enough for a skyscraper, then what more for a shed? Steel as a building material is not as expensive as one would think. Considering that they offer less maintenance needs, they pay for themselves in the long run. For size consideration, this will vary depending on the size of the livestock that you plan to put inside the loafing shed. Horses are herd animals and typically gather together, so you need to put into account the size of your ponies when they grow bigger. But, if you live in an area were cold weather and harsh snowstorms are frequently experienced then you might want to consider investing in a barn instead. There are two things that you have to do first, after you have made your plans, before you actually start building your wooden storage shed. First, you have to know where to build your shed. Avoid unlevel land areas and make sure that there are no cables, wires, pipes running beneath it. Second, check with your local planning and zoning commission and show them your building plans. Besides, building codes commonly require that at maximum there should be for every 8 inches of ramp horizontally there should only be a 1 inch slope. Ease of use while most ramps are not as large as a barn, you can build a ramp that would make it easy for you to bring out or in a garden tractor or a lawn mower.