Date Advertisement 08/05/2009 RFQ: Central Plant Upgrades Phase II and II at Bush Intercontinental Airport: Project No. 621 05/06/2009 RFP: Automated Teller Machine (ATM) Concession with Addendums 04/02/2009 RFQ: Maintenance Services Wastewater System Evaluation and Cleanup at Bush Intercontinental Airport: Project No. 642 03/26/2009 RFQ: Runway and Taxiway Design in support of the Environmental Impact Study at Bush Intercontinental Airport: Project No. 644