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GAS - Stats Drawings.
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Sutty31  
#1 Posted : 13 September 2010 08:58:52(UTC)
Rank: Forum user
Sutty31
L&G - difference of opinion to settle..... On a GAS stats drawing, reference to NHP and LHP.... We think either - London Hydraulic Pressure Normal High Pressure Low High Pressure.. A gas colleague even thinks it is: Natural and Liquid High Pressure.... Can anyone in the Gas sector provide a definitive answer,,, regards pete
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Talpidae  
#2 Posted : 13 September 2010 09:08:18(UTC)
Rank: Forum user
Talpidae
Description should be on the drawing legend, if not drawing worthless.
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Sutty31  
#3 Posted : 13 September 2010 09:29:01(UTC)
Rank: Forum user
Sutty31
maybe i should of explained it better... the letters are in the legend beneath IP . MP etc.. but as of yet i havent come across any of these type ofl pipes on the dwg,,,,
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grim72  
#4 Posted : 13 September 2010 09:50:36(UTC)
Rank: Super forum user
grim72
I'm not 100% sure on this but I think they relate to National High Pressure Gas Mains and Localised High Pressure Gas Mains.
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Talpidae  
#5 Posted : 13 September 2010 10:24:35(UTC)
Rank: Forum user
Talpidae
Sutty just found such a plan and understand your confusion (also now mine) would suggest you contact plan supplier or number/link attached Gas-0800 688 588-www.nationalgrid.com/UK Major oil and gas (Deals with high pressure gas and oil distribution networks)-http://www.linesearch.org/ Talpidae
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