Maintenance Windows 12.3.23.1 Generally, Qwest performs major Switch maintenance activities off-hours, during certain “maintenance windows”. Major Switch maintenance activities include Switch conversions, Switch generic upgrades and Switch equipment additions.
Maintenance Programme 17.4.1 On or before COD and no later than 45 (forty five) days prior to the beginning of each Accounting Year during the Operation Period, as the case may be, the Concessionaire shall provide to the Authority and the Independent Engineer, its proposed annual programme of preventive, urgent and other scheduled maintenance (the “Maintenance Programme”) to comply with the Maintenance Requirements, Maintenance Manual and Safety Requirements. Such Maintenance Programme shall include: