Request for proposals for the provision of joint monitoring team professional services for the design, supply, installations and commissioning of new automated weather observation systems (awos), as well as decommissioning of the existing weather observation systems (awos) at cape town international airport (ctia), george airport (grj), chief dawid stuurman international airport (cdsia), upington airport (upn) and kimberly airport (kim) for a period of twenty-four (24) months