Fisher Alvin News
Projects, guides and news from the team.
Forklift Impact Protection: Where Racking, Columns and Corners Need Guarding
Forklifts and other machines work close to racking, columns, corners and pipes every shift. Forklift impact protection means the right…
Specifying DDA Handrails on a Refurbishment
To specify a DDA handrail on a refurbishment, survey the levels, run lengths, angles, obstructions, substrate and terminations, choose wall-fixed…
Continuous DDA Handrails: Why the Run Must Not Break
A DDA handrail has to be continuous so a visually impaired user can follow it by hand without losing contact.…
Galvanised or Powder Coated? Choosing a DDA Handrail Finish
Galvanised is the stock finish and the fastest to deliver. Powder coating to RAL colours adds colour contrast and a…
Why DDA Handrails Are 42.4mm: Tube Diameter, Grip and Upright
The Building Regulations recommend a handrail diameter of 40mm to 45mm, and 42.4mm o/d (size 7) is the one stocked…
DDA Handrail Requirements: Equality Act 2010 and Part M
There is no British Standard called DDA. A DDA compliant handrail meets the Equality Act 2010 duty and is built…
How to Choose the Right Key Clamp Size for Your
Key clamps come in five sizes, numbered 5 to 9, each matched to one tube diameter from 26.9mm to 60.3mm:…
DDA Ramp Requirements: Gradient, Width, Landings and Handrails
A DDA compliant ramp for public access needs a maximum gradient of 1:15, a clear width of 1200mm or 1500mm,…
Fragile Roofs on Farm Buildings: What Regulation 9 Requires
A bricklayer broke his back stepping on a barn rooflight. Here's what Regulation 9 of the Work at Height Regulations…
