CHAPTER I, SCOPE AND DEFINITIONS

Subpart 1. Section 100.1.2. Subparagraph (a) of ASME B31.1, section 100.1.2 is amended to read as follows: (a) This Code covers boiler external piping as defined below for power boilers and high-temperature, high-pressure water boilers in which: steam or vapor is generated at a pressure of more than 15 psig [100 kPa (gage)]; and high-temperature water or other medium used for heating is generated at pressures exceeding 30 psig [207 kPa (gage)] and temperatures exceeding 250 degrees Fahrenheit (120 degrees Celsius). Subp. 2. Section 100.1.3. Subparagraph (f) of ASME B31.1, section 100.1.3, is deleted.