83 Ill. Adm. Code 605.310
Retirement Unit Account 310 Power Production Equipment
Section 605
Section 605.310 Retirement
Unit Account 310 Power Production Equipment
a) Items
Central generator cooling system
Central lubricating system
Condensing and cooling system
Engine and turbine plant piping
Engine-driven generating installation
Instruments and meters
Turbo-generator installation
b) Wherever appropriate, the "piping" costs of
additions and retirements shall include all costs for pipes, valves, fittings,
specials, covering, hangers, supports, etc., pertaining to the run or header in
question.