Emergency Steel Egress Stairs for Multi-Storey Offices

t384-2

Emergency steel egress stairs are metal staircase structures that give occupants a safe, code-compliant route out of a multi-storey office building during a fire or other emergency. They are typically built from galvanized or coated steel, designed to fixed dimensions and load requirements, and checked against local fire safety rules before installation. Facility managers should confirm exact widths, landings and fire ratings with the building engineer and fire consultant.

Why Offices Need Dedicated Egress Routes

In a multi-storey office, the main stairwell is not always enough. Occupancy levels, tenant layouts and the position of existing cores can leave gaps in the escape plan. An additional steel egress stair can close those gaps and give people a second route away from the floors they occupy.

Before any work begins, review the building's fire safety plan together with the authorities' requirements. The fire consultant and building engineer should confirm where an added stair is needed and how it must connect to the existing exits.

Planning the Layout and Connection

A good egress stair must lead to a safe discharge point, not into a dead end or a blocked yard. Plan the landings so people can move calmly, without crossing other exit paths or areas that are hard to reach.

Confirm the discharge point and the route from it
Check how the stair meets each floor's exit doors
Keep landings clear of storage and fixed equipment

Materials and Structural Considerations

Steel is a common choice for escape stairs because it is strong, durable and can be fabricated precisely to measure. Stringers, treads and handrails are sized for the expected load and the rise and run of the stair. Exact dimensions and load values should be set by the structural engineer, who checks them against the relevant standards.

Connections to the building matter as much as the stair itself. Anchoring points, fixings and any fire-rated enclosure must be specified in writing before fabrication starts.

Finishing for Durability and Safety

An outdoor or semi-exposed escape stair faces weather, moisture and wear. Hot-dip galvanizing gives strong corrosion protection, and powder coating adds a finished look and an extra layer of defense. Anti-slip treads help keep footing secure during a rushed evacuation, especially in wet conditions.

Choose the finish with the site conditions in mind, and ask for a written description of the surface treatment in the specification.

The Approval Process from Survey to Installation

A typical project starts with an inquiry and photos of the building, followed by an on-site measurement. The factory then prepares a drawing and a written specification for the client's approval. Only after approval does production begin in the workshop.

Once fabricated, the stair is finished and installed on site. Keep the approved drawings and specification on file, because the building's fire safety documentation will refer to them.

Coordinating With the Building Team

An egress stair affects the architecture, the structure and the fire safety plan at the same time. Involve the architect, the structural engineer and the fire consultant early so that changes are caught on paper rather than on site. A short coordination meeting before drawing approval often prevents costly rework.

Facility managers are well placed to lead this coordination, since they know how the building is used day to day.

Frequently asked questions

Do all multi-storey offices need an added steel egress stair?

Not always. Whether an extra stair is required depends on the building's occupancy, layout and the local fire safety rules. Ask the fire consultant to confirm the requirement for your specific building.

Which steel finish is best for an outdoor escape stair?

Hot-dip galvanizing combined with powder coating is a common choice for outdoor steel because it resists corrosion well. The best option depends on the site exposure and should be confirmed in the specification.

Who sets the dimensions and load values for the stair?

The structural engineer sets the dimensions and load values, checked against the applicable standards. The factory builds to the approved drawings and specification.

Can a steel egress stair be installed on an existing building?

Yes, with proper survey and anchoring design. The site measurement, structural checks and fixing method must be agreed before fabrication begins.

Common mistakes to avoid

A common mistake is ordering a stair before confirming the discharge point and fire requirements, which can force costly redesign. Another is leaving the anchoring and finish details out of the written specification.

Our recommendation

Start with a site survey and written fire consultant input, then approve one complete drawing and specification before production. Keep that approved set in the building's fire safety file.

Summary

Emergency steel egress stairs give office occupants a reliable second route out of a multi-storey building when they are planned, specified and approved correctly.

השאירו פרטים ונחזור אליכם