U
Unconventional gas, 3, 3f, 5
Unconventional natural gas resources, 5–15, 6f
Underground piping systems, 146–147
design for, 146–147
drawings for, 146
protection of, 147
valves installation for, 147
for water flow, 147
Undersaturated fluid, 27–28
Uninsulated pipes, piping supports for, 144
Uninterrupted power supply (UPS), 646
Unit battery limit installation, 788–789
Unit costs, 686
Unit plot plan, 103
Utilities commissioning, for start-up sequence, 822
Utilities failures, 330–331
Utility distribution flow diagrams (UDFDs), 648
Utility Flow Diagram (UFD), 769–773, 771f, 774f, 789–790
See also ...

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