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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.

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    • CommentAuthortony
    • CommentTimeAug 24th 2008 edited
    Like I said elsewhere I prefer the stairs option if it is available

    But in the new Heathrow T5 there isnt one! choose from a lift or an escalator or setting off an alarm or risking life and limb on the car park ramps.

    How much is it costing in electricity to run there escalators? Many seem to be running 24/7 but not getting used????? or virtually not used.

    Is it true that as many people go up as come down so net energy use should be only frictional losses only with good design management.
    • CommentAuthormike7
    • CommentTimeAug 24th 2008
    Hi Tony - worry more about the energy used getting those people to 30,000 ft.:bigsmile:
    • CommentAuthortony
    • CommentTimeAug 24th 2008
    Though that could be described as doing something whereas my problem was one of genuine wastefulness.
    • CommentAuthorTheDoctor
    • CommentTimeAug 25th 2008
    the net energy use argument is spurious.

    there is an energy cost in making a down escalator run (with or without people) and an energy cost (allbeit greater) in running an up escalator, so no trade off.
    • CommentAuthorjoe.e
    • CommentTimeAug 25th 2008
    It could possibly be that energy saving was not uppermost in the minds of the team designing that particular building. Presumably there must be staircases there for use in fires and emergencies, but hidden away somewhere. Given that they'd have to be sized to accommodate large numbers of panic-stricken punters, it does seem an odd decision not to have incorporated them into the public spaces. Maybe the designers thought that such a primitive, obsolete means of moving between floors would be an embarrassment in the new willy-waving showcase terminal of a thrusting, dynamic, modern country like Britain.
    • CommentAuthorStuartB
    • CommentTimeAug 25th 2008
    Stairs just wouldn't get used as the majority of people have heavy luggage with them. These escalators also go into standby mode when not in use.
    • CommentAuthortony
    • CommentTimeAug 26th 2008
    Yes but they put a red tape barrier across them in that case to stop them being used as stairs!
    • CommentTimeAug 27th 2008
    Nothing major in this but agreeing with your point Tony

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