May 2019

Tough wear it matters

With safety standards across the globe demanding mandatory slip-resistance test values after six months in situ, measures relating to ex-factory slip resistance are no longer enough to rely on.

In step with the demands of service

Flooring specifically engineered for use in heavy duty buses will be built to withstand wear, but how much wear does it need to be able to tolerate? How much wear is too much?

In an average London bus, an area of concentrated foot traffic could see 230,390 steps per year.1 Even in quieter services outside London, buses could see an average of 2,993 steps per month in concentrated areas of foot traffic, adding up to 35,916 steps in a year.

Good to know, but what does this all mean for sustained slip resistance?

Pendulum test values and slip risk

Pendulum test values are indicative of the potential slip risks associated to a particular surface. The Bus Safety Standard requires a floor to provide a pendulum test value of ≥36 from new, rising to PTV ≥40 after six months of service. This mitigates slip risks to one in a million. Specifying a floor covering with a lower value can significantly reduce this level of protection and leave passengers and operators open to additional risk.

PTV Estimated slip risk*
36 1 in 1,000,000
34 1 in 100,000
29 1 in 10,000
27 1 in 200

*According to CIRIA’s Safer Surfaces to Walk On

So, if you choose a floor with a pendulum test value of between 29 and 33, you could potentially be risking two slips per month in the Greater London area. Even with a floor with a pendulum test value of between 34 and 36, you’d be risking two slips per year. Only with a pendulum test value of 36 or higher would you be assured of mitigating the risks associated with the level of foot traffic experienced in a heavy bus environment.

If you want to find out more about the Pendulum test, read our guide here.

Sustained safety

But, mitigated risks are still dependent on the floor in question sustaining its pendulum test value at 36 or higher for the period of its service life.

Testing with a machine such as the Pedatron is the best way to accurately emulate wear on a floor.

The Pedatron imitates the step of a person by repeatedly subjecting the floor to friction from a rubber soled shoe with the same weight behind it as would be expected from an average male human.

Look for a floor which has aggregate distributed throughout the thickness of the wear layer. This means that as the wear layer wears away, the components which create the slip resistance are always in contact with the soles of the shoes walking on it. With floors built this way, slip resistance may improve with wear.

Beware of additives that are sold as an extra wear layer to increase the slip resistance of the floor – once this extra layer has worn away, what are you left with if the material beneath fails to meet PTV ≥36?

Altro bus flooring products are engineered to maintain a one in a million slip risk, even after one million steps, without the need for any added slip-resistant layers.

1According to Transport for London figures for 2017.
Posted: 8/05/2019 8:00:00 AM by Heather Mussett | with 0 comments

Seriously tough protection - Altro Fortis Titanium 15

Altro-Fortis-Titanium-for-wall-protection

WALL PROTECTION TO SOLVE YOUR TOUGHEST MAINTENANCE ISSUES


In public areas where feet, bags, equipment and wheels are a constant, maintenance can be ongoing and costly, and cleaning difficult. Altro Fortis™ is a system that offers seriously tough, 1.5mm thick protection for walls, doors and corners. It is perfect for education, health and retail where appearances matter. The Altro Fortis system keeps interiors safe from impact and scuff damage and looking good for longer.

“This was our first time using new Altro Fortis Titanium, but we found just as easy to work with and fit as Altro Whiterock hygienic wall cladding. It’s quick to install, just a two-day project – one day to thermoform the product in our workshop, then one day to install.” 

//    Paul Kinggett, Director, Absolute Interiors, UK

TRADITIONAL OR ADHESIVE-FREE OPTION

Altro Fortis Titanium 1.5 can be installed using acrylic adhesive or the adhesive-free option that uses the Altro Fortis double sided tape.

No adhesive means there are no odours, which is perfect in many environments where there are lots of people living and working, and shutting down shop or installing noisy extractor fans are not an option. Customer feedback tells us this has been a distinct advantage as adhesive odours often cause disruption and complaints.

With the adhesive-free option your installation can be up and ready in half the time of a traditional all installation, letting you get back to business with minimal interruption.

“Altro Fortis in an excellent product. It looks good and is very robust. We have over 800 pupils in the school and looks as fresh now as it did the day it was installed. It is easy to maintain and we estimate it will save us over £50k in decorating costs over next 10 years.”

//    Robert Jenkins - Head of School at Ysgol Bro Teifi, UK

 

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Posted: 10/05/2019 7:05:20 AM by Crystal Richardson | with 0 comments