The Surveying Reference Station System includes the passive system and the active system. The active system equipment, hardware and software shall be serviced, updated and replaced by the department or its agents on an ongoing basis. The methodology used in determining the fee amount per user for the active system is based on the annual active system maintenance cost and the estimated annual user retention data. Budget for the maintenance of the passive system are derived from other sources.
Wis. Admin. Code Department of Transportation Trans 58.03