This procurement includes the provision of design services for district heating system solutions for seven facilities in Skopje, North Macedonia. Tender is formed into 4 lots:LOT 1 - Primary School with Resource Center “Dr. Zlatan Sremec”  LOT 2 Special Hospital for Gynecology and Obstetrics “Mother Teresa”; Cair Municipality building; Sports Hall “Shaban Trstena”   LOT 3  Elementary School “Hasan Prishtina”;Elementary School “Imri Elezi”LOT 4 - University “Mother Teresa”-----------------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/Guides