davyboy Posted August 29, 2015 Share Posted August 29, 2015 Can someone tell me how the lamp posts on main roads and motorways are installed with such precision? Perfect curves and dead straight lines. Link to comment Share on other sites More sharing options...
apelike Posted August 29, 2015 Share Posted August 29, 2015 They use a spirit level. Link to comment Share on other sites More sharing options...
davyboy Posted August 30, 2015 Author Share Posted August 30, 2015 how does that work? Link to comment Share on other sites More sharing options...
apelike Posted August 30, 2015 Share Posted August 30, 2015 Er, just like a spirit level. It clamps round the post and has 4 levels set out like the points on a compass. Or you can get a simple post level that is hand held against the post. Link to comment Share on other sites More sharing options...
dangerousedd Posted August 30, 2015 Share Posted August 30, 2015 wouldn't the positions have been worked out by an engineer? I would think they would use gps positioning to site the posts but could be wrong. Link to comment Share on other sites More sharing options...
apelike Posted August 30, 2015 Share Posted August 30, 2015 wouldn't the positions have been worked out by an engineer? I would think they would use gps positioning to site the posts but could be wrong. If the op was talking about spacing then yes but not by GPS just a measuring wheel. I may have read it wrong and thought it was about how straight they are positioned.. Link to comment Share on other sites More sharing options...
davyboy Posted August 30, 2015 Author Share Posted August 30, 2015 Yes the question concerned the placing of the posts in a straight line over long distances and round curves. If I want fence posts in a straight line I use a length of string strung between the 1st and last posts I was wondering, what is the modern day equivalent of the string? Link to comment Share on other sites More sharing options...
WiseOwl182 Posted August 30, 2015 Share Posted August 30, 2015 Yes the question concerned the placing of the posts in a straight line over long distances and round curves. If I want fence posts in a straight line I use a length of string strung between the 1st and last posts I was wondering, what is the modern day equivalent of the string? Laser guide. However, if you see the state of a lot of the new streetlights you're probably overestimating the effort that goes into it. They tend to just plonk them next to the old ones. I've even seen some installed centrally on a pavement - blind people won't stand a chance. Link to comment Share on other sites More sharing options...
GLASGOWOODS Posted August 30, 2015 Share Posted August 30, 2015 Can someone tell me how the lamp posts on main roads and motorways are installed with such precision? Perfect curves and dead straight lines. Paddy eyes em in. ---------- Post added 30-08-2015 at 22:38 ---------- Laser guide. However, if you see the state of a lot of the new streetlights you're probably overestimating the effort that goes into it. They tend to just plonk them next to the old ones. I've even seen some installed centrally on a pavement - blind people won't stand a chance. Maybe it's all that laser stuff they use. Link to comment Share on other sites More sharing options...
Hesther Posted September 1, 2015 Share Posted September 1, 2015 Laser guide. However, if you see the state of a lot of the new streetlights you're probably overestimating the effort that goes into it. They tend to just plonk them next to the old ones. I've even seen some installed centrally on a pavement - blind people won't stand a chance. I think you mean, 'they tend to just plonk one next to every third lampost', creating lots of unlit areas on a street. Link to comment Share on other sites More sharing options...
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