- (a) A new facility must have color-coded pipes.
- (b) A new facility must have tracer tape for each non-metallic underground pipe.
- (c) An existing facility must color-code and install tracer tape for each pipe associated with a material alteration or expansion.
- (d) A non-potable water pipe must be painted purple and be stenciled "NON-POTABLE WATER" or "UNSAFE WATER."
(e) A facility design must use the following color-coding for pipes:
- (1) Sludge - brown;
- (2) Natural gas - red;
- (3) Potable water - light blue;
- (4) Chlorine - yellow;
- (5) Sulfur Dioxide - lime green with yellow bands;
- (6) Sewage - grey;
- (7) Compressed air - light green;
- (8) Heated water - blue with 6 inch red bands spaced 30 inches apart;
- (9) Power conduit - in compliance with the National Electric Code;
- (10) Reclaimed water - purple;
- (11) Instrument air - light green with dark green bands;
- (12) Liquid alum - yellow with orange bands;
- (13) Alum (solution) - yellow with green bands;
- (14) Ferric chloride - brown with red bands;
- (15) Ferric sulfate - brown with yellow bands;
- (16) Polymers - white with green bands;
- (17) Ozone - stainless steel with white bands;
- (18) Raw water - tan; and
- (19) Effluent after clarification - dark green.
Source Note:The provisions of this §217.329 adopted to be effective August 28, 2008, 33 TexReg 6843.