Modernization of the exhaust and supply ventilation of the MARIA Reactor

Tender Summary

The NATIONAL CENTRE FOR NUCLEAR RESEARCH in Poland from Europe region has released this tender for 1. The subject of the contract is: Modernization of the exhaust and supply ventilation systems of the MARIA Reactor. 2. Execution of the subject of the contract is divided into the following Stages: 1) Stage I: a) Conducting an on-site inspection of the facility and conducting an inventory of the existing exhaust and supply ventilation systems within the scope of the modernization. b) Development of a Technical Implementation Design for the installation of new equipment, taking into account integration with existing installations in the facility and meeting the requirements of this DSC, for approval by the Department of Nuclear Facilities Operations (hereinafter referred to as the DEJ). c) Development of a schedule including: delivery of equipment, installation, integration, and Site Acceptance Tests (SATs). 2) Stage II: a) Supporting the Ordering Party in obtaining approval from the President of the National Atomic Energy Agency (hereinafter referred to as the President of the NAEA) to carry out the modernization according to the Technical Implementation Design. 3) Stage III (completion date up to 8 weeks during a dedicated maintenance shutdown in 2027) in accordance with the reactor maintenance shutdown schedule: a) Delivery of equipment, preceded by FAT acceptance tests at the contractors premises, aimed at verifying the fan and damper assembly against the order and the Executive Technical Design previously approved by the Ordering Party. b) Dismantling of the fans, fittings, and components included in the modernization and their transport to the location designated by the Ordering Party. c) Adaptation of pedestals and installation, as well as full integration of new fans, fittings, and fittings, in accordance with the Executive Technical Design approved by the President of the National Atomic Energy Agency (NAEA), taking into account equipment reserves. d) Installation and integration of the fan control and power supply with existing facility systems, and integration of the I&C of the fans, inverters, and dampers with existing facility systems included in the Executive Technical Design approved by the President of the NAEA. e) Conducting post-installation SAT tests with the Ordering Partys participation. f) Participation in the Ordering Partys tests confirming the assumed functionality of the ventilation systems. g) Preparation of the As-Built Technical Design reflecting the actual condition of the installed ventilation systems of the MARIA Reactor. h) Training of the Ordering Partys personnel in the operation, maintenance, and configuration of the transferred devices (ventilation systems for a minimum of 20 people, and training in the operation and configuration of inverters, certified by the manufacturer or compliant with the PNEN ISO 9001 procedure for 6 people, on two dates at the Ordering Partys premises. 4) Stage IV: Support for the Ordering Party in obtaining approval from the President of the National Atomic Energy Agency (NAEA) to restart the MARIA reactor with the supply and exhaust ventilation systems installed and operational. 5) In the task listed in Stage III, sub-item f), the Contractor is obligated to provide the Ordering Party with technical support.6) At the request of the President of the NAEA or DEJ – as part of the implementation of the Subject Matter of the Order – the Contractor shall submit to DEJ additional materials and evidence confirming the compliance of the Subject Matter of the Order with the technical documentation and expected functionality, including documentation of individual components delivered as part of the implementation of the Subject Matter of the Order, in particular the required certificates of approval, operation and maintenance documentation, and catalog cards, if they are necessary to perform the tasks in Stages II and IV listed in points 2 and 4). 3. A detailed description of the Subject Matter of the Order is specified in VOLUME III of the Technical Specifications (OPZ). The description of the Subject Matter of the Order and the conditions and requirements for the implementation of the Subject Matter of the Order are also specified in VOLUME II of the Technical Specifications (PPU) – Draft Contractual Provisions. 4. The minimum required warranty period for the Subject Matter of the Order is 36 months, counting from the date of unqualified acceptance of Stage III. During the warranty period, the Contractor shall provide free technical and maintenance inspections of the system in accordance with the equipment operation and maintenance documentation. The scope and requirements of the inspections are specified in VOLUME III of the Technical Specifications (OPZ). 5. The Ordering Party expects to award to the current contractor of the basic order EZP.270.74.2026 an order for additional deliveries referred to in art. 214 section 1 item 8 of the Public Procurement Act - with a net value of not more than PLN 687 000.00. 6. Required completion date (including Stage III): no later than December 7, 2027 (due to the need to settle the subsidy called the "MARIA Reactor Modernization Program 2022-2027", which finances the Subject of the order and planned technological interruptions in the operation of the MARIA Reactor) subject to compliance with intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of concluding the contract, broken down into: a) 6 weeks inventory and design development b) 2 weeks design verification by DEJ c) 2 weeks implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining approval from the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation, and integration of new fans and other components included in the scope of the modernization – completion date: 8 weeks during a dedicated maintenance break in 2027 – delivery must be preceded by FAT acceptance tests for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline is the date the President of the NAEA issues approval for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.including documentation of individual components delivered as part of the implementation of the Subject of the order, in particular the required certificates of approval, operation and maintenance documentation, catalog cards, if they are necessary to perform the tasks in Stages II and IV listed in points 2 and 4). 3. A detailed description of the Subject of the order is specified in VOLUME III SWZ (OPZ) - The description of the subject of the order and the conditions and requirements for the implementation of the subject of the order are also specified in VOLUME II SWZ (PPU) - Draft contractual provisions. 4. The minimum required warranty period for the Subject of the order is 36 months, counting from the date of acceptance without reservations of Stage III. During the warranty period, the Contractor will provide free technical and maintenance inspections of the system in accordance with the equipment operation and maintenance documentation. The scope and requirements of the inspections are specified in VOLUME III SWZ (OPZ). 5. The Ordering Party intends to award to the current contractor of the basic order EZP.270.74.2026 an order for additional deliveries referred to in art. 214 section 1 item 8 of the Public Procurement Act. - with a net value of not more than PLN 687,000.00. 6. Required completion date (including Stage III): no later than December 7, 2027 (due to the need to settle the subsidy called the “MARIA Reactor Modernization Program 2022-2027”, which finances the Subject of the order and the planned technological interruptions in the operation of the MARIA Reactor), subject to meeting the intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of concluding the contract, broken down as follows: a) 6 weeks for inventory and design development, b) 2 weeks for design verification by DEJ, c) 2 weeks for implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining the consent of the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation, and integration of new fans and other components included in the scope of the modernization – completion deadline: 8 weeks during a dedicated maintenance break in 2027 – delivery must be preceded by FAT acceptance tests for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline is the date the NAEA President issues approval for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.including documentation of individual components delivered as part of the implementation of the Subject of the order, in particular the required certificates of approval, operation and maintenance documentation, catalog cards, if they are necessary to perform the tasks in Stages II and IV listed in points 2 and 4). 3. A detailed description of the Subject of the order is specified in VOLUME III SWZ (OPZ) - The description of the subject of the order and the conditions and requirements for the implementation of the subject of the order are also specified in VOLUME II SWZ (PPU) - Draft contractual provisions. 4. The minimum required warranty period for the Subject of the order is 36 months, counting from the date of acceptance without reservations of Stage III. During the warranty period, the Contractor will provide free technical and maintenance inspections of the system in accordance with the equipment operation and maintenance documentation. The scope and requirements of the inspections are specified in VOLUME III SWZ (OPZ). 5. The Ordering Party intends to award to the current contractor of the basic order EZP.270.74.2026 an order for additional deliveries referred to in art. 214 section 1 item 8 of the Public Procurement Act. - with a net value of not more than PLN 687,000.00. 6. Required completion date (including Stage III): no later than December 7, 2027 (due to the need to settle the subsidy called the “MARIA Reactor Modernization Program 2022-2027”, which finances the Subject of the order and the planned technological interruptions in the operation of the MARIA Reactor), subject to meeting the intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of concluding the contract, broken down as follows: a) 6 weeks for inventory and design development, b) 2 weeks for design verification by DEJ, c) 2 weeks for implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining the consent of the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation, and integration of new fans and other components included in the scope of the modernization – completion deadline: 8 weeks during a dedicated maintenance break in 2027 – delivery must be preceded by FAT acceptance tests for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline is the date the NAEA President issues approval for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.A detailed description of the Subject of the Order is specified in VOLUME III SWZ (OPZ) - The description of the Subject of the Order and the conditions and requirements for the implementation of the Subject of the Order are also specified in VOLUME II SWZ (PPU) - Draft Contractual Provisions. 4. The minimum required warranty period for the Subject of the Order is 36 months, counting from the date of unqualified acceptance of Stage III. During the warranty period, the Contractor will provide free technical and maintenance inspections of the system in accordance with the equipment operation and maintenance manual. The scope and requirements of the inspections are specified in VOLUME III SWZ (OPZ). 5. The Ordering Party intends to award to the current contractor of the basic order EZP.270.74.2026 an order for additional deliveries referred to in art. 214 sec. 1 item 8 of the Public Procurement Act - with a net value of no more than PLN 687,000.00. 6. Required completion date (including Stage III): no later than December 7, 2027 (due to the need to settle the subsidy called the “MARIA Reactor Modernization Program 2022-2027”, which finances the Subject of the order and planned technological interruptions in the operation of the MARIA Reactor), subject to compliance with intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of concluding the contract, broken down as follows: a) 6 weeks for inventory and design development, b) 2 weeks for design verification by DEJ, c) 2 weeks for implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining the consent of the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation, and integration of new fans and other components included in the scope of the modernization – completion deadline: 8 weeks during a dedicated maintenance break in 2027 – delivery must be preceded by FAT acceptance tests for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline is the date the NAEA President issues approval for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.A detailed description of the Subject of the Order is specified in VOLUME III SWZ (OPZ) - The description of the Subject of the Order and the conditions and requirements for the implementation of the Subject of the Order are also specified in VOLUME II SWZ (PPU) - Draft Contractual Provisions. 4. The minimum required warranty period for the Subject of the Order is 36 months, counting from the date of unqualified acceptance of Stage III. During the warranty period, the Contractor will provide free technical and maintenance inspections of the system in accordance with the equipment operation and maintenance manual. The scope and requirements of the inspections are specified in VOLUME III SWZ (OPZ). 5. The Ordering Party intends to award to the current contractor of the basic order EZP.270.74.2026 an order for additional deliveries referred to in art. 214 sec. 1 item 8 of the Public Procurement Act - with a net value of no more than PLN 687,000.00. 6. Required completion date (including Stage III): no later than December 7, 2027 (due to the need to settle the subsidy called the “MARIA Reactor Modernization Program 2022-2027”, which finances the Subject of the order and planned technological interruptions in the operation of the MARIA Reactor), subject to compliance with intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of concluding the contract, broken down as follows: a) 6 weeks for inventory and design development, b) 2 weeks for design verification by DEJ, c) 2 weeks for implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining the consent of the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation, and integration of new fans and other components included in the scope of the modernization – completion deadline: 8 weeks during a dedicated maintenance break in 2027 – delivery must be preceded by FAT acceptance tests for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline is the date the NAEA President issues approval for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.(due to the need to settle the subsidy called the "MARIA Reactor Modernization Program 2022-2027", which finances the Subject of the Order and planned technological shutdowns in the operation of the MARIA Reactor) subject to compliance with the intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of conclusion of the contract, broken down as follows: a) 6 weeks for inventory and design development, b) 2 weeks for design verification by DEJ, c) 2 weeks for implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining the consent of the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation and integration of new fans and other components included in the scope of the modernization - completion date 8 weeks during a dedicated maintenance shutdown in 2027 - delivery must be preceded by FAT acceptances for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline for issuing approval by the NAEA President for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.(due to the need to settle the subsidy called the "MARIA Reactor Modernization Program 2022-2027", which finances the Subject of the Order and planned technological shutdowns in the operation of the MARIA Reactor) subject to compliance with the intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of conclusion of the contract, broken down as follows: a) 6 weeks for inventory and design development, b) 2 weeks for design verification by DEJ, c) 2 weeks for implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining the consent of the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation and integration of new fans and other components included in the scope of the modernization - completion date 8 weeks during a dedicated maintenance shutdown in 2027 - delivery must be preceded by FAT acceptances for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline for issuing approval by the NAEA President for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages. with tender notice no. 715314-2026 published on 16 Oct 2026. The tender is due to expire on 23 Oct 2026. This tender is sourced from TED Europa and is eligible for suppliers interested in Ventilation ducting, Cooling and ventilation equipment, Ventilation equipment, Ventilation installation work, Inspection of ventilation system. Interested bidders can obtain further information including complete bid documents or ways to participate by registering on Tender Impulse and referencing via Tender Impulse ID 15602394.

Tender Details

Tender NoticeTI Ref: 15602394
Tender Notice No
715314-2026
Tender Organisation
NATIONAL CENTRE FOR NUCLEAR RESEARCH
Tender Sector
Tender Service
Worldwide
Tender Region
Tender Project Location
Tender CPV
39563530 : Ventilation ducting42500000 : Cooling and ventilation equipment42520000 : Ventilation equipment45331210 : Ventilation installation work71315410 : Inspection of ventilation system
Tender Source
TED Europa
Tender Document Type
Competition
Tender Deadline
23 Oct 2026 5 days left
Tender Description
1. The subject of the contract is: Modernization of the exhaust and supply ventilation systems of the MARIA Reactor. 2. Execution of the subject of the contract is divided into the following Stages: 1) Stage I: a) Conducting an on-site inspection of the facility and conducting an inventory of the existing exhaust and supply ventilation systems within the scope of the modernization. b) Development of a Technical Implementation Design for the installation of new equipment, taking into account integration with existing installations in the facility and meeting the requirements of this DSC, for approval by the Department of Nuclear Facilities Operations (hereinafter referred to as the DEJ). c) Development of a schedule including: delivery of equipment, installation, integration, and Site Acceptance Tests (SATs). 2) Stage II: a) Supporting the Ordering Party in obtaining approval from the President of the National Atomic Energy Agency (hereinafter referred to as the President of the NAEA) to carry out the modernization according to the Technical Implementation Design. 3) Stage III (completion date up to 8 weeks during a dedicated maintenance shutdown in 2027) in accordance with the reactor maintenance shutdown schedule: a) Delivery of equipment, preceded by FAT acceptance tests at the contractors premises, aimed at verifying the fan and damper assembly against the order and the Executive Technical Design previously approved by the Ordering Party. b) Dismantling of the fans, fittings, and components included in the modernization and their transport to the location designated by the Ordering Party. c) Adaptation of pedestals and installation, as well as full integration of new fans, fittings, and fittings, in accordance with the Executive Technical Design approved by the President of the National Atomic Energy Agency (NAEA), taking into account equipment reserves. d) Installation and integration of the fan control and power supply with existing facility systems, and integration of the I&C of the fans, inverters, and dampers with existing facility systems included in the Executive Technical Design approved by the President of the NAEA. e) Conducting post-installation SAT tests with the Ordering Partys participation. f) Participation in the Ordering Partys tests confirming the assumed functionality of the ventilation systems. g) Preparation of the As-Built Technical Design reflecting the actual condition of the installed ventilation systems of the MARIA Reactor. h) Training of the Ordering Partys personnel in the operation, maintenance, and configuration of the transferred devices (ventilation systems for a minimum of 20 people, and training in the operation and configuration of inverters, certified by the manufacturer or compliant with the PNEN ISO 9001 procedure for 6 people, on two dates at the Ordering Partys premises. 4) Stage IV: Support for the Ordering Party in obtaining approval from the President of the National Atomic Energy Agency (NAEA) to restart the MARIA reactor with the supply and exhaust ventilation systems installed and operational. 5) In the task listed in Stage III, sub-item f), the Contractor is obligated to provide the Ordering Party with technical support.6) At the request of the President of the NAEA or DEJ – as part of the implementation of the Subject Matter of the Order – the Contractor shall submit to DEJ additional materials and evidence confirming the compliance of the Subject Matter of the Order with the technical documentation and expected functionality, including documentation of individual components delivered as part of the implementation of the Subject Matter of the Order, in particular the required certificates of approval, operation and maintenance documentation, and catalog cards, if they are necessary to perform the tasks in Stages II and IV listed in points 2 and 4). 3. A detailed description of the Subject Matter of the Order is specified in VOLUME III of the Technical Specifications (OPZ). The description of the Subject Matter of the Order and the conditions and requirements for the implementation of the Subject Matter of the Order are also specified in VOLUME II of the Technical Specifications (PPU) – Draft Contractual Provisions. 4. The minimum required warranty period for the Subject Matter of the Order is 36 months, counting from the date of unqualified acceptance of Stage III. During the warranty period, the Contractor shall provide free technical and maintenance inspections of the system in accordance with the equipment operation and maintenance documentation. The scope and requirements of the inspections are specified in VOLUME III of the Technical Specifications (OPZ). 5. The Ordering Party expects to award to the current contractor of the basic order EZP.270.74.2026 an order for additional deliveries referred to in art. 214 section 1 item 8 of the Public Procurement Act - with a net value of not more than PLN 687 000.00. 6. Required completion date (including Stage III): no later than December 7, 2027 (due to the need to settle the subsidy called the "MARIA Reactor Modernization Program 2022-2027", which finances the Subject of the order and planned technological interruptions in the operation of the MARIA Reactor) subject to compliance with intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of concluding the contract, broken down into: a) 6 weeks inventory and design development b) 2 weeks design verification by DEJ c) 2 weeks implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining approval from the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation, and integration of new fans and other components included in the scope of the modernization – completion date: 8 weeks during a dedicated maintenance break in 2027 – delivery must be preceded by FAT acceptance tests for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline is the date the President of the NAEA issues approval for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.including documentation of individual components delivered as part of the implementation of the Subject of the order, in particular the required certificates of approval, operation and maintenance documentation, catalog cards, if they are necessary to perform the tasks in Stages II and IV listed in points 2 and 4). 3. A detailed description of the Subject of the order is specified in VOLUME III SWZ (OPZ) - The description of the subject of the order and the conditions and requirements for the implementation of the subject of the order are also specified in VOLUME II SWZ (PPU) - Draft contractual provisions. 4. The minimum required warranty period for the Subject of the order is 36 months, counting from the date of acceptance without reservations of Stage III. During the warranty period, the Contractor will provide free technical and maintenance inspections of the system in accordance with the equipment operation and maintenance documentation. The scope and requirements of the inspections are specified in VOLUME III SWZ (OPZ). 5. The Ordering Party intends to award to the current contractor of the basic order EZP.270.74.2026 an order for additional deliveries referred to in art. 214 section 1 item 8 of the Public Procurement Act. - with a net value of not more than PLN 687,000.00. 6. Required completion date (including Stage III): no later than December 7, 2027 (due to the need to settle the subsidy called the “MARIA Reactor Modernization Program 2022-2027”, which finances the Subject of the order and the planned technological interruptions in the operation of the MARIA Reactor), subject to meeting the intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of concluding the contract, broken down as follows: a) 6 weeks for inventory and design development, b) 2 weeks for design verification by DEJ, c) 2 weeks for implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining the consent of the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation, and integration of new fans and other components included in the scope of the modernization – completion deadline: 8 weeks during a dedicated maintenance break in 2027 – delivery must be preceded by FAT acceptance tests for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline is the date the NAEA President issues approval for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.including documentation of individual components delivered as part of the implementation of the Subject of the order, in particular the required certificates of approval, operation and maintenance documentation, catalog cards, if they are necessary to perform the tasks in Stages II and IV listed in points 2 and 4). 3. A detailed description of the Subject of the order is specified in VOLUME III SWZ (OPZ) - The description of the subject of the order and the conditions and requirements for the implementation of the subject of the order are also specified in VOLUME II SWZ (PPU) - Draft contractual provisions. 4. The minimum required warranty period for the Subject of the order is 36 months, counting from the date of acceptance without reservations of Stage III. During the warranty period, the Contractor will provide free technical and maintenance inspections of the system in accordance with the equipment operation and maintenance documentation. The scope and requirements of the inspections are specified in VOLUME III SWZ (OPZ). 5. The Ordering Party intends to award to the current contractor of the basic order EZP.270.74.2026 an order for additional deliveries referred to in art. 214 section 1 item 8 of the Public Procurement Act. - with a net value of not more than PLN 687,000.00. 6. Required completion date (including Stage III): no later than December 7, 2027 (due to the need to settle the subsidy called the “MARIA Reactor Modernization Program 2022-2027”, which finances the Subject of the order and the planned technological interruptions in the operation of the MARIA Reactor), subject to meeting the intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of concluding the contract, broken down as follows: a) 6 weeks for inventory and design development, b) 2 weeks for design verification by DEJ, c) 2 weeks for implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining the consent of the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation, and integration of new fans and other components included in the scope of the modernization – completion deadline: 8 weeks during a dedicated maintenance break in 2027 – delivery must be preceded by FAT acceptance tests for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline is the date the NAEA President issues approval for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.A detailed description of the Subject of the Order is specified in VOLUME III SWZ (OPZ) - The description of the Subject of the Order and the conditions and requirements for the implementation of the Subject of the Order are also specified in VOLUME II SWZ (PPU) - Draft Contractual Provisions. 4. The minimum required warranty period for the Subject of the Order is 36 months, counting from the date of unqualified acceptance of Stage III. During the warranty period, the Contractor will provide free technical and maintenance inspections of the system in accordance with the equipment operation and maintenance manual. The scope and requirements of the inspections are specified in VOLUME III SWZ (OPZ). 5. The Ordering Party intends to award to the current contractor of the basic order EZP.270.74.2026 an order for additional deliveries referred to in art. 214 sec. 1 item 8 of the Public Procurement Act - with a net value of no more than PLN 687,000.00. 6. Required completion date (including Stage III): no later than December 7, 2027 (due to the need to settle the subsidy called the “MARIA Reactor Modernization Program 2022-2027”, which finances the Subject of the order and planned technological interruptions in the operation of the MARIA Reactor), subject to compliance with intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of concluding the contract, broken down as follows: a) 6 weeks for inventory and design development, b) 2 weeks for design verification by DEJ, c) 2 weeks for implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining the consent of the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation, and integration of new fans and other components included in the scope of the modernization – completion deadline: 8 weeks during a dedicated maintenance break in 2027 – delivery must be preceded by FAT acceptance tests for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline is the date the NAEA President issues approval for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.A detailed description of the Subject of the Order is specified in VOLUME III SWZ (OPZ) - The description of the Subject of the Order and the conditions and requirements for the implementation of the Subject of the Order are also specified in VOLUME II SWZ (PPU) - Draft Contractual Provisions. 4. The minimum required warranty period for the Subject of the Order is 36 months, counting from the date of unqualified acceptance of Stage III. During the warranty period, the Contractor will provide free technical and maintenance inspections of the system in accordance with the equipment operation and maintenance manual. The scope and requirements of the inspections are specified in VOLUME III SWZ (OPZ). 5. The Ordering Party intends to award to the current contractor of the basic order EZP.270.74.2026 an order for additional deliveries referred to in art. 214 sec. 1 item 8 of the Public Procurement Act - with a net value of no more than PLN 687,000.00. 6. Required completion date (including Stage III): no later than December 7, 2027 (due to the need to settle the subsidy called the “MARIA Reactor Modernization Program 2022-2027”, which finances the Subject of the order and planned technological interruptions in the operation of the MARIA Reactor), subject to compliance with intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of concluding the contract, broken down as follows: a) 6 weeks for inventory and design development, b) 2 weeks for design verification by DEJ, c) 2 weeks for implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining the consent of the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation, and integration of new fans and other components included in the scope of the modernization – completion deadline: 8 weeks during a dedicated maintenance break in 2027 – delivery must be preceded by FAT acceptance tests for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline is the date the NAEA President issues approval for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.(due to the need to settle the subsidy called the "MARIA Reactor Modernization Program 2022-2027", which finances the Subject of the Order and planned technological shutdowns in the operation of the MARIA Reactor) subject to compliance with the intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of conclusion of the contract, broken down as follows: a) 6 weeks for inventory and design development, b) 2 weeks for design verification by DEJ, c) 2 weeks for implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining the consent of the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation and integration of new fans and other components included in the scope of the modernization - completion date 8 weeks during a dedicated maintenance shutdown in 2027 - delivery must be preceded by FAT acceptances for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline for issuing approval by the NAEA President for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.(due to the need to settle the subsidy called the "MARIA Reactor Modernization Program 2022-2027", which finances the Subject of the Order and planned technological shutdowns in the operation of the MARIA Reactor) subject to compliance with the intermediate deadlines, taking into account the following stages: 1) Stage I: Preparation of the complete Detailed Technical Design - completion date up to 10 weeks from the date of conclusion of the contract, broken down as follows: a) 6 weeks for inventory and design development, b) 2 weeks for design verification by DEJ, c) 2 weeks for implementation of changes by the Contractor. 2) Stage II: Support for the Ordering Party in obtaining the consent of the President of the National Atomic Energy Agency (NAEA). 3) Stage III: Dismantling, delivery of equipment and materials, installation and integration of new fans and other components included in the scope of the modernization - completion date 8 weeks during a dedicated maintenance shutdown in 2027 - delivery must be preceded by FAT acceptances for the fans. 4) Stage IV: Support for the Ordering Party in the process of obtaining approval from the President of the National Atomic Energy Agency (NAEA) for the commissioning of the MARIA Reactor following the modernization of the exhaust ventilation systems: the deadline for issuing approval by the NAEA President for the commissioning of the MARIA Reactor following the modernization. The above-mentioned stages may be divided into sub-stages.
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Frequently Asked Questions About This Tender

Who has issued this tender, and what is it for?
The tender has been issued by NATIONAL CENTRE FOR NUCLEAR RESEARCH in Poland. Such a type of tender falls under Ventilation ducting, Cooling and ventilation equipment, Ventilation equipment, Ventilation installation work, Inspection of ventilation system, within the IT-Software sector, and is listed on Tender Impulse under notice number 715314-2026.
What are the key dates for this tender?
The notice was published on 16 Oct 2026 and submissions close on 23 Oct 2026. Late bids are rarely accepted in public procurement, so aim to have your documents ready several days before the closing date.
Which CPV codes apply to this tender?
It is classified under CPV codes 39563530, 42500000, 42520000, 45331210, 71315410, which correspond to Ventilation ducting, Cooling and ventilation equipment, Ventilation equipment, Ventilation installation work, Inspection of ventilation system. If your company supplies these products or services, these are the codes to save in your alert profile so no matching tender passes you by.
Can I submit my bid for this tender to Tender Impulse?
No - and this matters. Tender Impulse is a tender aggregation and alert service: we collect procurement notices from official sources around the world and list them in one place. We do not receive, forward or evaluate bids. Your bid for this tender must be submitted directly to NATIONAL CENTRE FOR NUCLEAR RESEARCH, using the method described in the original tender document, before 23 Oct 2026. Tender Impulse provides complete assistance in submitting all bids posted on its website.
How do I get the bid documents and participation details?
Request a live demo on Tender Impulse and our tender experts will walk you through this listing, share the available documents, and explain how to submit your bid to NATIONAL CENTRE FOR NUCLEAR RESEARCH. Subscribers also receive help with registration requirements and, where needed, translation of non-English notices - but the submission itself always goes from you to the buyer.
How can I find more tenders like this in Poland?
There are currently 26753 live tenders of 516836 total tenders from Poland on Tender Impulse. You can browse them on our Poland tenders page, or save a search combining Poland with CPV codes 39563530, 42500000, 42520000, 45331210, 71315410 - we will then email you every new match on the day it is published.
How to prepare for this bid?
Suppliers must verify technical specifications, the delivery schedules and any other intrinsic details as provided in the complete bid documents before deciding to submit their bids. All necessary certifications and supplier registrations must be undertaken before participation.
Is this tender beneficial for me?
The procurement is applicable to companies in the Ventilation ducting, Cooling and ventilation equipment, Ventilation equipment, Ventilation installation work, Inspection of ventilation system and related industries. If you belong to this industry, you can review the technical documents before assessing your relevance to your company.
What is the procurement trend for Modernization of the exhaust and supply ventilation of the MARIA Reactor?
The public procurement trends for Modernization of the exhaust and supply ventilation of the MARIA Reactor can be assessed by viewing historical data and buying patterns for this product. Subscribed members can view and even download reports of tenders released in the past for their market research. This shall allow them to carefully prepare a compelling bid.

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