This has been a really interesting debate and it seems that there are quite
a number of differing standards and guidance around which may be extremely
confusing for people needing to navigate changes of level in public spaces.
Getting back to basic principles, the need surely is to identify where the
change of level actually starts, i.e. the top riser, each tread should
ideally be highlighted to identify the going of each step and the 300mm
extension to well colour-contrasted handrails need to give yet another cue
that a change of level is imminent.
It would seem to me that the "top of flight" colour contrast is essential
and without it you would suddenly "find" the first riser with associated
stumble and trip risks.
The BS is quite clear in its recommendations, as are the Building
Regulations and I feel that where-ever possible we should apply those
standards. In certain situations, historic environments for instance, the
other criteria could be applied, i.e. good illumination and the use of other
devices such as engraved stone.
Sue Pellegrino
The Access Collaboration Ltd
12-17 Upper Bridge Street
Canterbury
Kent
CT1 2NF
t- 01227 781451 Tel & Voice-mail
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-----Original Message-----
From: Accessibuilt list [mailto:[log in to unmask]] On Behalf Of
Hunt, Alan
Sent: 08 July 2008 16:08
To: [log in to unmask]
Subject: Re: Colour Contrasting Nosings
I agree with Janet...... the contrast and adequate lighting is what is
important but consistency of application is also important. Providing a
different colour for the top and bottom is unnecessary and potentially
confusing. You already know when you have reached the top or bottom of a
flight because the highlighting either starts or stops; is there or not
there.
Clear as mud again.........
Alan
-----Original Message-----
From: Accessibuilt list [mailto:[log in to unmask]] On Behalf Of
John, Janet
Sent: 08 July 2008 10:13
To: [log in to unmask]
Subject: Re: Colour Contrasting Nosings
Hi again,
sorry, I think I might have been a bit unclear.
what I meant was different colour contrasting on the top or bottom was
not needed as long at the colour contrast was sufficient against its
background then the same colour used throughout the flight would be
fine.
All nosings should be colour contrasted (different colours are not
needed), and lighting should be designed to enhance this.
Colour contrast is determined by LRV.
Hope that makes a bit more sense.
Jan
Janet John
RNIB Cymru Housing Training and Development
Tel; 01792 325 304
Mobile: 07787 105 093
Disability Action Centre, The Courtyard, D'Arcy Business Park, Neath
SA10 6EJ
-----Original Message-----
From: Accessibuilt list [mailto:[log in to unmask]] On Behalf
Of John, Janet
Sent: 08 July 2008 09:53
To: [log in to unmask]
Subject: Re: [ACCESSIBUILT] Colour Contrasting Nosings
Hi Alyson,
Appropriately colour contrasted nosings of more than 30 points
difference in lrv with their background will be sufficient when combined
with lighting at top and bottom steps to ensure visibility and
highlighting.
Hope that helps, along with the other comments you have had.
Jan
Janet John
RNIB Cymru Housing Training and Development
Tel; 01792 325 304
Mobile: 07787 105 093
Disability Action Centre, The Courtyard, D'Arcy Business Park, Neath
SA10 6EJ
-----Original Message-----
From: Accessibuilt list [mailto:[log in to unmask]] On Behalf
Of Mike Elkerton
Sent: 08 July 2008 09:42
To: [log in to unmask]
Subject: Re: [ACCESSIBUILT] Colour Contrasting Nosings
Hello Alyson
I think the idea stems from the proceedure of informing visually
impaired people of where they can find the first and last step on a
flight of steps or stairs.
Regards
Mike Elkerton (NRAC)
Member of the national Register of Access Consultants
--- On Tue, 7/8/08, Marcus Ormerod <[log in to unmask]> wrote:
From: Marcus Ormerod <[log in to unmask]>
Subject: Re: Colour Contrasting Nosings
To: [log in to unmask]
Date: Tuesday, July 8, 2008, 10:37 AM
HI Alyson
You also find a different coloured top and bottom nosings on
railway
station steps and this may be where the contractor has
experienced this
previously. As Vin says there is no guidance that says this
should be
adopted everywhere.
Regards
Marcus
Professor Marcus Ormerod
SURFACE Inclusive Design Research Centre
SOBE, The University of Salford
4th floor Maxwell Building
Salford M5 4WT
Tel 0161 295 5405
Fax 0161 295 5011
Mobile 07887 556425
www.surface.salford.ac.uk
-----Original Message-----
From: Accessibuilt list [mailto:[log in to unmask]] On
Behalf
Of Vin
Sent: 08 July 2008 09:33
To: [log in to unmask]
Subject: Re: [ACCESSIBUILT] Colour Contrasting Nosings
Hi Alyson,
this rings a bell - I believe RNIB may have suggested that in
situations
where there was difficulty providing tonal contrast on step
nosings that
a compromise may be to do so only on top and bottom steps but I
don't
think it was their intention to suggest this as the universal
method.
Vin
Vin West
Secretary, Arfon Access Group
Glyn Dwr
Llandwrog Uchaf
Caernarfon
LL54 7RA
Tel: 01286 880761
Fax: 001775 665 2884
Mob: 0777 153 6760
----- Original Message -----
From: "Alyson Matthews"
<[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, July 08, 2008 9:27 AM
Subject: Colour Contrasting Nosings
Is anyone aware of a change in best practice
regarding colour contrasting
nosings to internal or external steps?
We have a contractor who claim they have been asked
by another local
authority to provide the top and bottom step with
nosings of a different
colour and contrast to the rest of the flight.
They have now done the
same to a new build in our area, and are arguing
against us as we have
asked them to make the nosings consistent
throughout.
Any advice?
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