NBS Source
Step Over - 3 Step Unit


To allow for safe passage of personnel accessing roof-top equipment. There are three basic modular Big Foot Step Overs available with 2, 3, and 4 steps and a 1 m landing section. The four legs on each Step Over are supplied with 305 mm feet and AV mats for stability. The metalwork is galvanized to withstand the year round elements on a roof. The Big Foot Step Over system utilizes Big Foot leg assemblies.

Custom Step Over/ Hop Over:

Big Foot Systems will be happy to specify an access system designed specially to meet any need. Contact your Big Foot Regional Specification Manager.

Features/ benefits:

  • Free standing, non-penetrative systems.
  • Quick and simple, on-site assembly.
  • Flat packed for ease of transportation.
  • Designed to British Standard.
  • Health and safety regulation compliance.
  • Optional fully certified independent warranty.
  • Custom designs available.


Constructed to:

  • BS 5395-1: Stairs Part 1 Code of Practice for the design of stairs with straight flights and winders.
  • BS 4592-0: Industrial type flooring and stairs treads.
  • BS EN 516: Prefabricated accessories for roofing, installations for roof access, walkways, treads and steps.
  • Building Regulations (E&W) Approved Document K – Protection from falling, collision and impact.
  • BS 8000-4: Workmanship on building sites. Code of Practice for waterproofing.
  • Work At Height Regulations (2005).

General information


Frame: Hot dip galvanized carbon steel, Feet: Nylon 6 B601L 30% glass fibre filled, Anti-vibration mat: SBR-recycled rubber


Ss_35_10_30_95 Working platform and walkway systemsPrimary


L35/340 High level walkways

L35/350 Stairs

Product range

Safe Access

Specification data - Working platform and walkway systems

Product Reference


2 Step Step Over.


3 Step Step Over.


4 Step Step Over.


Custom Design.

Hop over platform

Not required


Optional handrail; Size (h x l): 1100 x 1000 mm.


Width: 600 mm.


Width: 1000 mm.

Standard product features


Landing length: 1000 mm.

Hop over platform:

  • Height: 220 mm.
  • Clearance height: 155 mm.
  • Length: 1000 mm.


- Plastic foot:

  • Nylon 6 B601L 30% glass fibre filled.
  • - Anti-vibration mat:
  • SBR-recycled rubber. Bound using a ratio of high quality moisture curing polyurethane pre-polymer. BS 7188 and BS 5696-3.

- Metal framework:

  • Hot dip galvanized carbon steel: BS EN 10219-1. Welding standard: BS EN ISO 15614-1.
  • Galvanizing: BS EN ISO 1461.
  • Salt mist testing: BS EN 60068-2-52
  • Test Kb severity 1.

Digital objects

Platform Compatible Version Certified to




Revit 2016


Download now from NBS National BIM Library

Similar products from Big Foot Systems Ltd

Rapid Walkway - 1 m

Rapid Walkway - 1 m

Rapid Walkway - 2 m

Rapid Walkway - 2 m

Rapid Walkway - 3 m

Rapid Walkway - 3 m

Rapid Walkway - Single Corner

Rapid Walkway - Single Corner

Rapid Walkway - T Junction

Rapid Walkway - T Junction

Step Over - 2 Step Unit

Step Over - 2 Step Unit

Step Over - 4 Step Unit

Step Over - 4 Step Unit