The world’s longest wheelchair ramp can be found in Switzerland. The tomb contained a ramp made of compacted earth, allowing for easier access to the afterlife.Ģ. The first wheelchair ramp dates back to ancient China, where a 2,000-year-old tomb was discovered belonging to Emperor Qin Shi Huang. Use deck board spacers to ensure proper spacing between each deck board.Ĭut the final few deck boards to fit properly and ensure the edge is flush with the rim joist.įinally, install a railing along the deck ramp for safety.ġ. Install floor joists every 16 inches on-center using structural joist hangers.Ĭut the decking material to the width of the ramp and secure the initial deck board at the bottom using deck screws or hidden deck fasteners. Remove the top layer of grass or sod before pouring concrete for the landing pad.Ĭut two 2×8 pieces of lumber as side joists for the ramp frame and attach them using through-bolts or carriage bolts. If the ramp doesn’t start on the nearby driveway, create a frame and set it with concrete for the landing pad. Use 4×4 boards or deck posts with structural brackets for the support posts. Support posts should be spaced no more than 8 feet apart and set below the frost line using concrete tubes or molds. Landings between sloped runs should be at least 3 feet wide and 5 feet long, while landings at changes in direction should be 5 feet by 5 feet.Ĭreate a smooth transition at the bottom and top of the ramp. The minimum ramp width should be 36 inches, and handrails or deck railings should be 36 inches high. The steepest slope allowed for ADA compliance is 1:12, but gentler slopes of 1:16 or 1:20 are also acceptable. If it does, multiple ramp sections may be needed. To build a ramp for a deck, follow these steps:ĭetermine the total ramp rise and ensure it does not exceed 30 inches.
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