Why choose a modular access system instead of scaffold steps or ramps?

Choosing a purpose-built access system directly solves three critical site issues: it guarantees immediate compliance with UK Building Regulations, eliminates the costly legal requirement for weekly scaffolding inspections, and provides a professional entrance rather than a hazardous construction site appearance.

1. Strict Building Regulations: Compliant Step And Ramp Dimensions

The primary operational risk of using scaffolding for public or domestic access is the difficulty of meeting UK Building Regulations, specifically Approved Document M (Volume 1 and Volume 2) and Approved Document K.

Perfecting Step Rise And Going

For stairs in public or commercial buildings, Approved Document K mandates highly specific step geometries to prevent trips and falls. Under Section 1, Table 1.1, stairs are classified into three strict categories:

• Private Stairs: Suitable only for a single dwelling (Rise 150mm - 220mm, Going 220mm - 300mm).
• Utility Stairs: Used for escape, maintenance, or secondary access (Rise 150mm - 190mm, Going 250m - 400mm.
• General Access Stairs: The standard route for day-to-day public movement (Rise 150mm - 70mm, Going 250mm - 400mm).

Additionally, under Approved Document M: Volume 2, Section 1.33, public stepped access must feature a consistent rise of between 150mm and 170mm, and a going of between 280mm and 425mm. Because standard access scaffolding is built on-site using rough boards and metal tubes, adjusting them to achieve these millimetre-precise dimensions over sloping or uneven ground is notoriously difficult.

This frequently results in irregular rises that fail building control inspections. In contrast, prefabricated modular steps are engineered with uniform heights to guarantee compliance out of the box.

Compliant Widths And Passing Places

Under Approved Document M: Volume 2, Section 2.9, public ramps must provide a minimum surface width of 1500mm between walls, upstands, or kerbs.

Ramps with a rise of more than 300mm must also feature clearly sign-posted steps in addition to the ramp. Furthermore, to accommodate wheelchair users, the ramp design must satisfy the following landing regulations:

• Intermediate Landings: Must be a minimum of 1500mm long and clear of any door swings.
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