Amendment #1:With reference to the Invitation to Bid (ITB) dated 10 September 2025, UNDP Ukraine issued amendment No.1 in order to: Share the Q&A from the pre-bid meeting held on September 17th, 2025, along with the responses to the questions received through the Quantum portal. Update Annex 2 BOQs due to an error in the calculation formula. Bidders are advised to review and use the updated Annex 2 BOQs while preparing their bids (Document Name: Updated Annex 2 BoQ Zaporizhzhia). Extend the bid submission deadline to read 07 October 2025 instead of 25 September 2025 (Date and Time: As specified in the system).  -------------------------------------------------------------------------------------------------------------Dear Bidder, The United Nations Development Programme (UNDP) in Ukraine hereby invites you to submit a Bid to the Invitation to Bid (ITB) UNDP-UKR-01414: Reconstruction of Centralized Heating System with Installation of Gas Piston Cogeneration Units.Pre-Bidding Conference will be held on 17 September 2025, at 11:00 am (Kyiv time) via MS Teams.Interested bidders are required to register for Pre-Bidding Conference by submitting their company name, list of attending representatives and their contact information through Quantum messaging portal for the subject negotiation or at the following e-mail by 16 September [email protected] Subject: UNDP-UKR-01414 – Pre-Bidding Conference RegistrationIMPORTANT NOTES: 1.      In case you do not have Supplier profile, please follow the link Registration of prospective bidder and be guided by Localized guide for Supplier profile registration Quantum Supplier registration brief manual UA v.3.pdf (undp.org) (UA) 2.      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. 3.      All the bidders are strongly encouraged to initiate the supplier registration in Quantum at least five days before the tender deadline. 4.      Please indicate that you intend to submit a bid by creating a draft response without submitting directly in the system. This will enable notifications in case of amendments of the tender requirements. Should you require further clarifications, kindly communicate using the messaging functionality in the system. 5.      Contact e-mail for registration issues [email protected]. Please always indicate reference to the number of the tender in subject. 6.      Guides for suppliers: Localized guide for UNDP suppliers using the PowerPoint Presentation (undp.org)  (UA) Global guide for UNDP suppliers using the PowerPoint Presentation (undp.org) (EN) Best regards, United Nations Development Programme Procurement Unit ATTENTION: Bids shall be submitted only through Quantum Portal. Proposals shall not be submitted to any email addresses. Otherwise, such bids shall be disqualified. /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Обычная таблица"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman",serif;}