Larkspur ADA Ramp Contractors

A lot of the buildings doing business in Larkspur weren't designed as commercial space. They were houses, outbuildings, shops, or ranch offices that took on a public use over time, and the entry you inherited is a couple of steps and a stoop set on ground that slopes away from the door. That's the starting condition on most of the accessibility work we do out here. Not a code failure by a builder. Just a building that's older than the expectations now placed on it.

We build ramps, landings, and accessible routes for small business owners, boards, and general contractors across the south metro. It's exacting work. Running slope, cross slope, landing size, and the transition at each end all have limits, and an inspector checks them with a level, not with an opinion. Getting it right on a wooded, sloping site at 6,700 feet takes more planning than concrete.

What we walk into on Larkspur properties

The pattern repeats. A door sits eighteen or twenty four inches above finish grade, there's a small landing that isn't big enough to turn on, and the ground in front falls away toward a drive. Sometimes there's already a ramp, built by somebody who ran a straight shot to the parking and ended up with a slope no wheelchair user can manage alone.

Properties around Sage Port tend to sit on gentler ground, which gives us room to run a longer, kinder ramp rather than stacking switchbacks. Perry Park and Bear Dance are a different problem. Slopes are real up there, lots are treed, and the space between the door and the parking is often the exact space the ramp needs. On those sites we usually end up designing a route with a switchback and an intermediate landing, or moving the accessible parking closer so the run has somewhere to go.

Snow is the constraint nobody plans for. A ramp tucked against a north wall holds ice for weeks after the rest of the property has dried, so we look at sun exposure and roof drainage before picking a location. The safest slope on paper is worthless if it's glazed over four months a year.

Building to a tolerance instead of a guess

Cross slope is where good crews fail. Running slope is obvious and everyone watches it. Cross slope is the sideways fall across the ramp width, limited to roughly a quarter inch per foot, and it's easy to lose that much during finishing without anyone noticing until an inspector sets a level on it. So we screed to a fixed rail rather than by eye and verify with a digital level while the concrete can still be adjusted.

We also build in a safety margin on the running slope. If the limit is one in twelve, we target something flatter wherever the site allows it, because a ramp built right at the maximum has no room for the settlement, resurfacing, or overlay that might happen later.

Handrails, edge protection, and detectable warning panels round it out. Rails get anchored into concrete that's thick enough to hold them, with posts set below frost depth where they land outside the ramp slab. Warning panels go in wet or get mechanically fastened depending on the product, and the color contrast requirement is a real one that gets missed on a surprising number of jobs. Where your route ties into a public sidewalk or a right-of-way, check with your local building department and jurisdiction on which standard applies and what inspection they want, since that varies and we build to whatever they tell us.

The measurements an inspector will actually check

What an accessible route project includes

• Slope survey of the existing entry and the parking route
• Layout drawing with run lengths, landing sizes, and rise per run marked
• Coordination with your building department on which review and inspection apply
• Excavation and compacted base, with frost-depth footings under rail posts
• Reinforced slab sized for the span, not a thin ramp poured over fill
• Broom finish across the direction of travel for winter traction
• Handrail anchoring, plus edge protection where the ramp is raised
• Post-pour verification of running and cross slope, documented for your file