J4874 : Manhole cover, Newtownards

taken 13 years ago, near to Newtownards, Co Down, Northern Ireland

Manhole cover, Newtownards
Manhole cover, Newtownards
Manhole cover located on Mark Street in Newtownards. It is marked "Briduc". The following is adapted from a Highway Engineers magazine report found on the Chartered Institute of Highways and Transportation:

"The Briduc was a lightweight cover made of ductile iron, but about four times as strong as the ordinary grey iron from which manhole covers are traditionally made. It was manufactured by Dunbro Ltd of Woolwich, London SE28, and introduced in 1973. It had a clear opening of 610mm diameter, which complied with safety recommendations for sewers. Although the opening was in excess of that normally specified for sewers in accordance with BS 497/67 the weight saving was dramatic, the cover weighing only 38 kg as against 140 kg for the normal cover weight of an ordinary 22" diameter roadway manhole cover. This weight saving allowed for easier transportation and cheaper site installation costs, safety in use, and a lower cost since less metal was used in its manufacture."

(Many thanks to Nigel Cox LinkExternal link for the above). See also J4874 : Manhole cover, Newtownards for a closer view.
Manhole covers, foundry products etc, Northern Ireland

A series of photographs showing manhole covers, fire hydrants, gratings, foundry products, foundry plaques and inscriptions etc, in Northern Ireland.

Creative Commons Licence [Some Rights Reserved]   © Copyright Rossographer and licensed for reuse under this Creative Commons Licence.
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J4874, 212 images   (more nearby search)
Photographer
Date Taken
Wednesday, 1 June, 2011   (more nearby)
Submitted
Thursday, 2 June, 2011
Geographical Context
Rivers, Streams, Drainage  Roads, Road transport  City, Town centre  Water resources  Waste, Waste management 
Place (from Tags)
Mark Street 
Subject Location
Irish: geotagged! J 487 744 [100m precision]
WGS84: 54:35.7881N 5:41.9262W
Camera Location
Irish: geotagged! J 487 744
View Direction
West-northwest (about 292 degrees)
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Other Tags
Manhole  Newtownards  Briduc  Manhole Covers  Manhole Cover 

Click a tag, to view other nearby images.

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