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Typically there is no colour code. Any fresh water line running into your house is drinkable unless you have a reuse system. DON'T DRINK FROM IRRIGATION some citys use reclaimed water (grey water I.e. from showers and washing your hands) for irrigation.ONLY Civilized countries use color codesCountries with a bonifide plumbers guild and actually have a test for the masters licenses have color codes to prevent cross contamination of potable and non potable water systems.Depending on which code one uses will dictate the color coding OR metal tagsstating safe water or Unsafe water. Round for safe triangle for UnsafeThe reason for color coding is in high rise building there is a variety of piping systems such as fire suppression , potable , gray water, Combined fire systems (stand pipe and sprinkler) Fuel - gas - oil - steam and industrial lines such as pneumatic lines for controlsThe AWWA for example has under ground piping codes so in countries that have an established infrastructure workers know which piping are for utilities and waste and water supply rather then taking a chance of cutting into a wrong line
colour code for raw water
Yes, but with certain requirements as the water piping has to be higher then the sewer line among other code items
This is the code for Process piping.
As long as new abs piping is connected to existing piping within code.
THE NORMAL CONDITIONS THE COLOUR OF lpg VAPOUR LINE IS GOLDEN YELLOW. BUT THERE IS MANY LINES FOR DIFRENT GASES YOU CAN CHANGE IT & COAD SAPERAT TO SIGN .
local plumbing code or Ada requirements
Light Green for COLD Water and Dark Green for HOT water
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Toyota color code LA01 is the interior color code for ivory.
Most codes do not allow Galvanized piping/fittings on gas piping. I have used galvanized pipe/fittings on exterior gas piping before in the state of Michigan but other states do not allows this. Check with your local code authorities.
What is A106 Gr B?Ans: In brief, A106 is a ASTM standard code for carbon steel tubing/ piping material.Gr B at the end is mean for its thickness grade. It have A, B, C.Gr.B tubing/ piping is almost equal to SCH 40 piping material.