Heated Ramps and Snowmelt Systems

Hydronic systems suit larger areas and facilities with available heat plant capacity, while electric systems can simplify smaller isolated zones. The decision depends on energy source, electrical capacity, output, service access, zoning, controls, and operating cost. Harrowgate coordinates either system with slab, drainage, and structural requirements.

Canadian guidance describes small hydronic tubing roughly 50 to 100 mm below the surface, but the engineered slab design controls. Cover must balance heat transfer with protection from finishing, traffic, and sawcuts. Reinforcement, tube diameter, joint layout, slab thickness, and aggregate size are coordinated before placement.

The system changes snow into water, and that water must leave the travel path before reaching cold pavement or a garage threshold. A trench drain or catch basin intercepts flow at the designed low point. Heating cannot correct reverse slope, blocked outlets, or meltwater discharged onto an unheated refreeze zone.

Tubing is secured, pressurized, and monitored throughout the pour. Electric cable resistance and insulation readings are recorded before, during, and after placement. Harrowgate controls worker routes, pump hoses, reinforcement, rakes, vibration, and joint-cutting marks so damage is identified while repair remains accessible.

A well-controlled system typically starts when sensors detect both low temperature and moisture, then continues through a drying cycle after precipitation. Continuous heating wastes energy, while late manual start lets snow bond to the slab. The controls sequence, slab limits, staging, and override are commissioned for the facility's operating objective.

Exterior ramp concrete is selected under CSA A23.1 for freezing, wetting, and deicing exposure, with suitable air entrainment, strength, water-cementing materials ratio, placement, finish, and curing. The embedded heat does not excuse poor concrete practice. Surface traction and drainage are also designed for the ramp's slope and traffic.

Provide structural drawings, heating design, circuit or loop schedule, controls sequence, electrical or mechanical capacity, drainage plan, pavement details, utility information, and required closures. For replacement work, include failure history and available as-builts. Harrowgate then verifies removals, access, temporary routing, testing, concrete, and commissioning scope.