1. (a) Blowdown water from power boilers must pass through an approved blowdown separator or blowdown tank when entering a sanitary sewer.
2. (b) The temperature of the blowdown water leaving the blowdown separator or blowdown tank must not exceed 140 degrees Fahrenheit.
3. (c) The pressure of the blowdown water leaving a blowdown separator or blowdown tank must not exceed 5 PSIG.
4. (d) All blowdown piping and fittings must meet requirements set forth in ASME Piping Code B31.1, Power Piping.
5. (e) A blowdown separator must be fitted with threaded or flanged openings to facilitate inspection. A blowdown tank must be fitted with a manway for cleaning and inspection.
6. (f) The vent and drain of the blowdown separator or blowdown tank must be piped to a safe point of discharge.

7. (g) A blowdown separator or blowdown tank, when required by this chapter, must:

   1. (1) be constructed in accordance with ASME Boiler and Pressure Vessel Code, Section VIII Division 1;
   2. (2) have a minimum design pressure equal to the recommended pressure of the boiler manufacturer for the boiler to which the tank or separator is connected; and
   3. (3) be registered with the National Board of Boiler and Pressure Vessel Inspectors.
8. (h) Installation or modification of equipment to achieve compliance with this section is required to be completed no later than June 1, 2025.

Source Note:The provisions of this §65.555 adopted to be effective December 1, 2024, 49 TexReg 9511.