Rehabilitation of WWTP -Replacement of Surface Aerators for IBB and Sanaa Yemen (YEHCP PR & YIUSEP II) : LOT 1 - (EHC-PR-WS-IBB-001) - Rehabilitation of Ibb WWTP -Replacement of Surface Aerators.LOT 2 - (IUS-AF-UWS-SAN-025-01) - Replacement of Pump Surface Aerators in Sanaa and Rehabilitation SWWTP Al Rahabah, Bani Al-Hareth Sana'aLOT 3 - (EHC-PR-WS-IBB-001) - Supply of Electromechanical equipment, pumps and important spare parts for the maintenance- rehabilitation of Ibb WWTP units.LOT 4 - (IUS-AF-UWS-SAN-025 -02) - Supply and delivery electromechanical spare parts  for SWWTP - Part 1 LOT 5 - (IUS-AF-UWS-SAN-025-03) -  Supply electromechanical equipment, pumps and spare parts for SWWTP - Part 2LOT 6 - (IUS-AF-UWS-SAN-025-04) -  Supply electromechanical equipment, pumps and spare parts for SWWTP - Part 3---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IMPORTANT NOTE: Interested vendors must respond to this tender using the UNOPS eSourcing system, via the UNGM portal. In order to access the full UNOPS tender details, request clarifications on the tender, and submit a vendor response to a tender using the system, vendors need to be registered as a UNOPS vendor at the UNGM portal and be logged into UNGM. For guidance on how to register on UNGM and submit responses to UNOPS tenders in the UNOPS eSourcing system, please refer to the user guide and other resources available at: https://esourcing.unops.org/#/Help/GuidesInterested in improving your knowledge of what UNOPS procures, how we procure and how to become a vendor to supply to our organization? Learn more about our free online course on “Doing business with UNOPS” here