Then, you will need to install a series of floor joists across the entire length of the support beams; these will need to be the same length as the distance between the two rim joints so that they’ll fit between them. In the example design, the floor joists are all separated by 14.5-inch gaps except for the outermost two, which are 13 3⁄4 inches (34.9 cm) from their immediate neighbors; this is to allow a standard piece of plywood to line up with the outermost edge of the outermost joist but only cover half of an interior joist, allowing its neighbor to cover the other half so that both can be supported properly.[3]
When you have around 12,000 plans that are claimed to be shed designs, not all of them can be good. Some of them are predominant, some of them are mediocre while some of them are utterly absurd and are even hard to read. There are even incomplete plans in the Ryan Shed Plans package, and many of these plans don’t include the materials, making it frustrating. The download pages of most of the designs in Ryan Shed Plans are not organized.

• Stagnant waters — As much as the wood is coated to protect it from water, it would still be advisable to keep the wood away from stagnant waters. This is as the wood coating is not a permanent coat and so is the wood is exposed to water it will get damaged over time. The best way to avoid water paddles near the shed is building gutter systems on its roof which directs the water to a tank or a pool.
Before we can finish the base we need to get the electrical ready.  Put a peice of conduit over your electrical wire to protect it from any damage it could receive while you are finishing the base and to give the shed a more finished look.  Make sure the pipe and wire inside are pointing up perpendicular to the ground and are preferably going straight to the location where your first outlet will be.
The best spot for a shed is level, well-drained ground close to where you work in your garden or yard. The location doesn’t need to be perfectly flat; the foundation design shown in the plans allows for adjustments to make the floor level. Small sheds require only a top-of-soil foundation, even in locations with freezing winter temperatures. Precast concrete deck blocks work perfectly for this. 
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