Basic Setup Dimensions Place the set on level ground, not less than from any structure or obstruction such as a fence, garage, house, overhanging branches, laundry lines, or electrical wires. 1/2—] I 11-11 172° 7-111/2 Important Assembly Notes 1) While assembling unit, take time before and after each phase to make sure unit is level. If units not level, assembly will be difficult and improper assembly may result. Extra care must be taken fo ensure the unit is square.