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.