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  1. juw

    UK Climatic Conditions

    Stick with the met office, they aren't dedicated to climate change. The met office is the primary meterological office in the UK and as such maintains records for all regions adn you can find all you need weather wise from them. But JMW is right the UK weather is highly regional so you should...
  2. juw

    Standard Symbols/Drawing for Valves, Pumps, Instruments etc

    The ISA are a good reference as is PIP and British Standard 1646 Parts 1 to 4. There is also an ANSi standard and a german standard DIN 28004
  3. juw

    Risk management process - what do you want?

    I'm involved in a project evaluating risk management processes and am trying to establish a good/best practice benchmark. The question I have is simple, what do you want to see encapsulated into a risk management process within engneering/construction projects and businesses?
  4. juw

    P&ID symbols

    P&ID symbology for both process and instrumentation and guidance on their use can be found in two British Standards, BS 1646 & BS 1553, which form the basis of symbology in th eUK and Europe.
  5. juw

    Assist Gas for Flares

    It really depends on the reason for adding gas. In flares its normally supporting combustion of a low HV gas or providing assistance to achieve smokeless flaring. A good guide line is to use 300 Btu/Scf for combustion support for low HV gases to ensure stable combustion. For complete combustion...
  6. juw

    Air Assisted Flare Question

    There are two good references available, John Zinks Combustion Handbook and API RP 521, both cover the basics. The flare will entrain the majority of the required air at the tip as it exits and only needs a small proportion of forced air to go smokeless. Typically you should expect 10 to 30 % of...

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