A Ramp That's Too Steep in Naples, FL: Getting Back to 1:12

A steep ramp is usually discovered rather than reported: the chair runs away on the way down, someone has to push from behind on the way up, or a scooter that used to make it no longer does. By then the ramp is several years old and it was not built badly on purpose - it was built to fit the space between the door and the property line, and the arithmetic of slope does not negotiate. The questions that follow are narrow and practical: what the rise at the door actually is, what slope the existing ramp runs at, and whether the yard can carry a longer run, a switchback, or an entrance elsewhere. All three are measured in place, by the contractor.

What a ramp that is too steep does

Steepness is felt before it is measured. Going down, the chair wants to accelerate and the person braking is doing the work with their hands. Going up, the effort stops matching what the user can produce and a second person starts appearing at the bottom of the ramp. A scooter with a heavier frame and a higher centre of gravity will often give up on a slope a wheelchair still manages, which is why the same ramp can be described as fine by one person in a household and unusable by another.

The other half of the picture is the ramp itself. A steep ramp also lands badly at the bottom and the top: the transition from ramp to slab is abrupt, the platform at the door is small, and the handrail often stops exactly where the person needs it. Those details are visible in a photograph, but the slope is not, because the only way to know it is to measure the rise and the run.

Why a ramp comes out steeper than it should

Almost always because of the space it had to fit into. The rise at the door is fixed by the building: a raised slab, a step, or a walkway that drops away from the house. At the 1:12 maximum, each inch of that rise needs a foot of run, and a 24-inch rise needs at least 24 feet of ramp before landings are counted. That is longer than most side yards, more than most driveways can give up, and often longer than an association setback allows on the front elevation.

A shorter run fits the space and produces a slope steeper than 1:12. This is not an unusual mistake; it is the most common reason an existing ramp is flagged when a property is assessed for accessibility, and it is the reason published ramp pricing is quoted by length rather than by product. Florida's grade adds to it, because a lot that falls away from the house can put several more inches of rise into the same approach.

The standard, and what a compliant ramp has to include

The figure is 1:12 - a maximum running slope of one inch of rise for every twelve inches of run, which is 8.33% - set out in the 2010 ADA Standards for Accessible Design, along with landings and a clear width requirement. The clear width the standards describe for an accessible route is 36 inches, and landings are what make a long ramp usable rather than merely compliant: they give somewhere to stop, to turn, and to change direction at a switchback.

Two honest qualifications belong here. The first is that a ramp is not compliant just because its average is 1:12, because a run that is shallow in the middle and abrupt at the ends is still a problem at the ends. The second is that what standard your property has to meet is decided by the contractor and the local authority having jurisdiction - and this site does not assess anything, including your existing ramp.

The options, and the published ranges

Every figure here is a published United States guide range rather than a Naples price.

• Rebuild the run to 1:12 where the yard can carry the length. This is the simplest answer and it is priced by that length: published examples run from about $1,000 for the shortest runs, and past $10,000 for the longest or most complex.
• Switchback the ramp so a long run fits a shorter footprint, with landings at the turns. A custom wood switchback is quoted around $8,000, and a modular aluminium switchback sits in the same published range.
• Extend an existing modular ramp with more sections if it is a modular system, rather than replacing the whole thing.
• Move the entry to a door with less rise, or regrade the approach, which changes the arithmetic instead of the ramp.

Each of those is a different scope, and comparing them is only meaningful when all four are priced separately.

Permits, HOA approval, what to ask, and the matching

A ramp on a slope is exterior, visible work, and in Collier County that can mean both a building permit and HOA architectural approval, with a survey or an engineered drawing sometimes required where the ground falls away. The contractor and the county decide this, not this site.

Ask what slope the contractor will build to and whether the drawing meets 1:12 for the rise at your door, how long the new run will be and where the landings fall, whether the ramp is fixed to the structure or free-standing - the published guide for modular aluminium ramps describes them as not altering the structure of the home - and what approvals are involved and who pulls them.

Then tell us what the ramp is doing now and which part of Collier County you are in. We introduce you to licensed local contractors at no charge for the introduction; the measurement, the scope and the priced quote come from the contractor.

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