Sec. 753-4.7. Uniform color code

The following uniform color code shall be utilized for staking and marking used to designate the location of underground facilities and excavation sites:

(a) Yellow—gas, oil, petroleum products, steam, compressed air, compressed gases and all other hazardous liquid or gaseous materials except water.

(b) Red—electric power lines or conduits.

(c) Orange—communication lines or cables, including but not limited to telephone, telegraph, fire signals, cable television, civil defense, data systems, electronic controls and other instrumentation.

(d) Blue—water.

(e) Green—storm and sanitary sewers including force mains and other nonhazardous materials.

(f) Purple—radioactive materials, reclaimed water, irrigation and slurry line.

(g) White—excavation site.

(h) Pink—survey markings.