Calvin72 Posted November 17, 2014 Share Posted November 17, 2014 Any idea what this is? There are a few in Nether Edge and Heeley. Link to comment Share on other sites More sharing options...
tozzin Posted November 17, 2014 Share Posted November 17, 2014 Water Outlet? Link to comment Share on other sites More sharing options...
Calvin72 Posted November 17, 2014 Author Share Posted November 17, 2014 Only thing i could think of was Wire Overhead - sometimes the signs appear with numbers above and below which might make more sense. Link to comment Share on other sites More sharing options...
neddy Posted November 17, 2014 Share Posted November 17, 2014 Column number ? The street light column number (on the side of the column) https://www.sheffield.gov.uk/roads/works/lighting.html Link to comment Share on other sites More sharing options...
hilldweller Posted November 18, 2014 Share Posted November 18, 2014 Water Outlet? I think that is almost certainly the case. It would indicate a hydrant, not as such a fire hydrant, where water could be let out of the system to flush dirt out of the mains. When I was a part-time works fireman in the early sixties we were shown the location of the fire hydrants on the site, but told not to use any labelled WO as they were not designed to cope with the reduction in mains pressure resulting from the suction from our ex WW2 500gpm Coventry-Climax pump. HD Link to comment Share on other sites More sharing options...
Calvin72 Posted November 18, 2014 Author Share Posted November 18, 2014 Does this help? Bagshot Street, Sharrow Vale. Link to comment Share on other sites More sharing options...
Unitedite Returns Posted November 23, 2014 Share Posted November 23, 2014 I was once told, but I do not know as to whether it is indeed true, that the upper figure denotes distance away, and that the lower figure denotes distance down. So in this instance, the plate would indicate that the water outlet was 100' out from this plate and that the water outlet was 8' down. Is that correct? Link to comment Share on other sites More sharing options...
boginspro Posted November 23, 2014 Share Posted November 23, 2014 I was once told, but I do not know as to whether it is indeed true, that the upper figure denotes distance away, and that the lower figure denotes distance down. So in this instance, the plate would indicate that the water outlet was 100' out from this plate and that the water outlet was 8' down. Is that correct? I am not sure but I think on the yellow fire hydrant plates with the big H the top figure is the pipe diameter and the bottom the distance. Link to comment Share on other sites More sharing options...
madannie77 Posted November 24, 2014 Share Posted November 24, 2014 I am not sure but I think on the yellow fire hydrant plates with the big H the top figure is the pipe diameter and the bottom the distance. That is my understanding of the numbers on the yellow signs as well. The top figure indicates the pipe diameter (these days in millimetres) and the lower figure the distance from the sign (in metres). I cannot recall what imperial units were used, which is a bit embarassing as for many years there was a hydrant sign on the garden wall of the house where I was born & raised. I can't remember the numbers on it either, which is odd as I have a head full of similar and seemingly useless information. Link to comment Share on other sites More sharing options...
Waterside Echo Posted November 24, 2014 Share Posted November 24, 2014 That is my understanding of the numbers on the yellow signs as well. The top figure indicates the pipe diameter (these days in millimetres) and the lower figure the distance from the sign (in metres). I cannot recall what imperial units were used, which is a bit embarassing as for many years there was a hydrant sign on the garden wall of the house where I was born & raised. I can't remember the numbers on it either, which is odd as I have a head full of similar and seemingly useless information. W/E. Link to comment Share on other sites More sharing options...
hilldweller Posted November 25, 2014 Share Posted November 25, 2014 The sign above indicates a hydrant fed by a 4 inch pipe (other possibilities were 3 inch or 6 inch) and the hydrant is located 4 Feet from the sign. We didn't use to bother about mixing units in those days. Nowadays they use millimetres and metres respectively. HD Link to comment Share on other sites More sharing options...
lysander Posted November 25, 2014 Share Posted November 25, 2014 I was just thinking ,a 4 mm diameter pipe would hardly have allowed enough water to cause much more than a dribble of water. Link to comment Share on other sites More sharing options...
hilldweller Posted November 25, 2014 Share Posted November 25, 2014 It is possible to put out a very small fire with the flow from a 4mm bore pipe as a number of small boys have demonstrated when they got fed up with their bonfires. Sorry I couldn't resist that one. HD Link to comment Share on other sites More sharing options...
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