Request for ProposalEngineering Consulting Services for the Feasibility Study and Concept Design of the South-Eastern Corridor of Riyadh City- Kingdom of Saudi ArabiaDear Bidders,Response to additional queries/clarifications has been uploaded. The submission deadline for Bid Security (Hard copy in original) has also been extended to 29th July 2025_______________________________________________________________Note: Minutes of the pre-bid meeting and clarifications received during the process have been uploaded. Thankyou for your active participation. _________________________Pre-bid meeting will be conducted online. Zoom link will be shared with interested bidders only. Time and time zone: 11:00 AM KSA standard TimeDate : 30 June 2025Use the message functionality in the system to confirm your participation for Pre-bid meeting. Interested suppliers must submit their offer directly in the system as instructed in the solicitation document, following the instructions in the available user guide. In case you have never registered before, you can register a profile using the registration link shared via the procurement notice and following the instructions in the guides available in UNDP website:  https://www.undp.org/procurement/business/resources-for-bidders. Do not create a new profile if you already have one. Use the forgotten password feature in case you do not remember the password or the username from previous registration. Search for the specific tender using search filters and subscribe to the tender in order to get notifications in case of amendments of the tender document. If you need support with the online system, you can contact the contact details of this tender as indicated in the solicitation document. UNDP Office - Kingdom of Saudi Arabia