Request for the Provisions to Design, supply, installations, and commissioning of new Automated Weather Observations Systems (AWOS), as well as Decommissioning of the Existing Automated Weather Observations Systems (AWOS) at Cape Town International Airport (CTIA), Chief David Stuurman International Airport (CDSIA), George Airport (GA), Upington Airport (UPN), and Kimberly Airport for a period of 24 months and AWOS Maintenance at George Airport, Upington Airport (UPN) and Kimberly Airport for a Period of 60 Months