The lengths of ramps must always be straight, as curved ramps make it difficult for the movement of a person in a wheelchair in reference to this, the transverse slope of a ramp should also not exceed 2%, thereby avoiding any lateral slippage. To overcome a height of 90 centimeters, we will use a slope of 6%, which results in a 15 meter horizontal length. The ramps should not have an excessive length without breaks-a maximum length of 9 meters-due to the efforts required to ascend without help in a wheelchair, or the force needed to transport heavy cargo.Įxample of Calculated Distance Required (d) For distances of up to 3 meters it must be less than 10%, and for distances of up to 9 meters, it should be less than 8%, always taking the above considerations regarding height into account. In relation to the length of the ramp, for short distances-up to 1.5 meters-the slope should be less than 12%. As the heights require greater efforts, the slopes begin to reduce to reach recommendable values of 8% for heights of up to 50 centimeters 6% for heights of up to 100 centimeters 5% for heights of up to 150 centimeters and 4% for ramps being used by the elderly. Based on averages and considerations from different countries -both regulatory and from manuals from Latin America-a slope of between 12-10% can, for example, be used only for very small heights, such as a step of up to 20 centimeters. The recommended maximum slope for outdoor ramps can be established in relation to the height to be overcome and depends on the length of the plane. + How to design and calculate a staircase? The slope can be expressed as a percentage that results from the ratio between the height to be overcome (h) and the length of the horizontal plane (d), multiplied by 100.Īccordingly, knowing the height to overcome on a project allows us to review recommendations for a slope consistent with the required needs. To what extent can the slope of a ramp be modified? How can we determine its width and the space needed for maneuvering? What considerations exist regarding the handrails? Here we review some calculations and design examples for different ramps, below. The following clarifications are intended to assist and determine the appropriate dimensions for comfortable and efficient ramps for all, based on the concept of universal accessibility. Using 3D modeling and CAD systems, we will visually map out your custom concrete skatepark design.We already know that the ramp, aside from its different design possibilities, allows-without forgetting the notion of promenade architecturale-its users to overcome physical barriers in the urban and architectural context.Īlthough it basically consists of a continuous surface with a particular angle of slope, it is necessary to point out the many constructive specifications, which of course may vary due based on the standards of different governing bodies. SLOPE AND TRANSITION Our experienced staff will sit down with you for a free consultation to show you the options to suit your community and budget. With our past experience of working with cities, we know the process to get the right documents, bonds and information to avoid any long-term delays. Our clean liability history enables us to have a policy that covers up to several million dollars. Our contractors have A & B licenses, are bonded for all work, and insured. LICENSES, BONDS AND INSURANCE OC Ramps has all the proper resources to get the job done safely and effectively. We will work with your inspectors and other officials to meet code within an appropriate time frame. Although each job is custom, we are anxious to work with you and complete on time. SCHEDULING Most jobs can be done in less than a few weeks. Using 3D imagery and CAD systems, we will visually map your design for youīUDGET With over 40 years of combined experience in designing and building concrete, ramps, and bids we know exactly what it takes to get the job done correctly. ENGINEER Our experienced staff will sit down with you for a free consultation to show you the options to suit your community and budget.
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