83 Ill. Adm. Code 605.304
Retirement Unit Account 304 Structures and Improvements
Section 605
Section 605.304 Retirement
Unit Account 304 Structures and Improvements
a) Any applicable unit of structures and improvements used for
utility purposes which is not properly includible in other accounts.
b) List
Air conditioning or ventilating system
Boiler, furnace, hot-water heater, or automatic stoker
Bulkhead
Burner system, gas, oil, or stoker
Cesspool or septic tank
Chimney
Coal or ash conveying system
Door and frame
Dormer or monitor
Elevator complete with operator mechanism
Equipment
item, such as motor, generator, engine, turbine, pump, compressor, ventilating
fan, air washer, elevator or similar item of equipment includible in structures
with or without associated wiring, control equipment, etc.
Fence
Fire escape system
Fire protection system
Floor (complete)
Foundation when includible in structures
House lighting or power panel
Landscaping (complete project)
Lighting fixtures, with or without associated wiring and conduit
Manhole or catch basin
Radiator
Refrigeration system
Retaining wall
Road, path, pavement or walk
Roof, with
or without supporting members (a structure of irregular shape having more than
one roof level may have several isolated roofs, each of which shall be
considered an entire roof. In the case of structures to which lateral extensions
have been made even though having but one roof level, that part of the roof
covering an entire section built at one time shall be considered an entire
roof).
Screen
Sewer run between catch basin or manhole
Sky-light or ventilator
Stairway (complete between floor or operating level)
Storage bin (complete)
Storm window or storm door
Structure
Substructure
Superstructure
Tank
Tunnel, subway or areaway
Vault
Wall
Window and frame
Yard drainage system
Yard lighting system
c) Include any applicable unit not specifically listed in
subsection (b) but which is consistent with the utility's practice in
accounting for units of property for retirement purposes.