Część 1

Question: What is the contract timeline?

Context: Contract start date, end date, total duration, and any key milestones or phases mentioned. Return null if not stated.

The documents explicitly state the following timeline details related to the tender process:

• Offer Submission Deadline: September 7, 2026, at 09:00.
• Offer Opening Deadline: September 7, 2026, at 09:05.
• Offer Binding Period: 30 days from the offer submission deadline, which is until October 6, 2026. This period can be extended by an additional period of up to 30 days if the most advantageous offer is not selected before the initial binding period expires.

The contract start date, end date, total duration, and any key milestones or phases of the contract itself are not explicitly stated in the provided documents.

• Compatibility with other materials and devices in the applied technology.
• Products and equivalent building materials must have parameters not worse than those specified in the projects.
• Compliance with basic requirements of the Construction Law (art. 5 of the Act of 7 July 1994, Prawo budowlane).
• Compliance with conditions specified in the Act of 16 April 2004 on construction products.
• Maintaining a standard and quality level equivalent to or not worse than specified in the project documentation.
• Minimal warranty period of 60 months for executed construction works and built-in materials.
• Project implementation must take into account adaptation to the needs of all users, including ensuring accessibility for people with disabilities.
• Constant internet access with guaranteed bandwidth of at least 2 Mbit/s.
• Computer of PC or MAC class with minimum 2 GB RAM.
• Processor Intel IV 2 GHz or its newer version.
• Operating system: MS Windows 7, Mac OS X 10.4, Linux, or their newer versions.
• Installed internet browser supporting Javascript (e.g., EDGE, Chrome, FireFox in the latest available version).
• Internet browser with Javascript enabled.
• Internet browser accepting "cookies" or capable of using local browser memory.
• Communication with platformazakupowa.pl is encrypted using TLS 1.3 protocol.
• Use of .pdf format (particularly emphasized).
• Use of .doc format.
• Use of .docx format.
• Use of .xls format.
• Use of .xlsx format.
• Use of .jpg (.jpeg) format.
• Recommended compression format: .zip.
• Recommended compression format: .7Z.
• Files in .rar, .gif, .bmp, .numbers, .pages formats are considered ineffective.
• Maximum file size for documents signed with a trusted profile: 25MB.
• Maximum file size for documents signed with eDoApp personal signature: 5MB.
• Recommendation to convert files to .pdf and sign them with a qualified PADES signature.
• Recommendation to use an external XADES signature for files other than PDF.
• Recommendation to use PADES format and the same type of signatures when multiple people sign a file.
• Construction works must be carried out in accordance with the construction design.
• Construction works must be carried out in accordance with STWIORB.
• Construction works must be carried out in accordance with technical descriptions in the documents.
• Construction works must be carried out in accordance with applicable technical standards PN and PN-EN.
• Construction works must be carried out in accordance with the attached drawings.
• Construction works must be carried out in accordance with principles of technical knowledge.
• Geodesic services are required at the preparation and completion stages of construction works.
• Post-completion cost estimates (simplified) must be prepared and presented.
• Post-completion construction documentation, including updated site development plans, must be provided.
• Offer pricing should be in the form of a lump sum for each part of the investment.
• Part of the material obtained from excavations and trenching must be transported and incorporated at a location indicated by the Contracting Authority within 2 km of the construction site.
• Coordination of works is necessary due to other ongoing construction activities on site.
• During file signing, the SHA2 hash algorithm is recommended instead of SHA1.
• Each compressed file should be signed separately if documents are packed (e.g., in a ZIP file).
• Use of a qualified timestamp with the signature is recommended.
• No changes should be made to files after electronic signing (e.g., combining signed PDFs).
• Maximum size of a single file submitted for the offer is 150 MB.
• Maximum number of files submitted for the offer is 10.
• Communication and submission of offers must be done via platformazakupowa.pl.
• Documents and statements must be in Polish.