# Radionuclide transport modelling for the German synthetic crystalline rock safety case Open · Tender ## At a glance This tender is for Repair and maintenance services (CPV 50000000) in Niedersachsen (DE9). Procedure type: de-comp-wo-call. ### From the notice Name und Anschrift des Auftraggebers und dessen Beschaffungsstelle: Bundesgesellschaft für Endlagerung mbH, Eschenstraße 22, 31224 Peine Name des beauftragten Unternehmens:Amphos 21 Consulting, S.L. Verfahrensart: Verhandlungsvergabe Art und Umfang der Leistung:Radionuclide transport modelling for the German synthetic crystalline rock safety case;Task 1: Flow simulations and upscaling, Task 2 Transport pathway delineation, Task 3 MARFA simulation, Reporting Zeitraum der Leistungserbringung: vorraussichtlichbis 31.12.2026  Radionuclide transport modelling Modellierungsstudie Kristallin ## Key facts - Status: Open - Deadline: No deadline in the notice - Place of performance: Niedersachsen (DE9) - Main CPV: Repair and maintenance services (CPV 50000000) - Procedure: de-comp-wo-call - Lots: 1 Source: [Official notice](https://oeffentlichevergabe.de/ui/de/notices/63e348257a506fc1). Each fact is from the official notice, last checked 6 November 2026, 16:30 (UTC+01:00). Fact sheet: [Inteliwert fact sheet: Radionuclide transport modelling for the German synthetic crystalline rock safety case. A product of Bandpey GmbH.](https://inteliwert.com/cards/opp_BC7GJMS1EGGGM7MEN7MCC6E98K/ntv_A2VCG45FHGXPE8HF30HRB4K84D/en-sheet.png) (PNG, 1600 × 900) ## Lots (1) ### Lot LOT-0000: Radionuclide transport modelling for the German synthetic crystalline rock safety case Name und Anschrift des Auftraggebers und dessen Beschaffungsstelle: Bundesgesellschaft für Endlagerung mbH, Eschenstraße 22, 31224 Peine Name des beauftragten Unternehmens:Amphos 21 Consulting, S.L. Verfahrensart: Verhandlungsvergabe Art und Umfang der Leistung:Radionuclide transport modelling for the German synthetic crystalline rock safety case;Task 1: Flow simulations and upscaling, Task 2 Transport pathway delineation, Task 3 MARFA simulation, Reporting Zeitraum der Leistungserbringung: vorraussichtlichbis 31.12.2026  Radionuclide transport modelling Modellierungsstudie Kristallin - CPV: Repair and maintenance services (CPV 50000000), Installation services (except software) (CPV 51000000), Hotel, restaurant and retail trade services (CPV 55000000), Financial and insurance services (CPV 66000000), Real estate services (CPV 70000000), Architectural, construction, engineering and inspection services (CPV 71000000), Administration, defence and social security services (CPV 75000000), Agricultural, forestry, horticultural, aquacultural and apicultural services (CPV 77000000), Business services: law, marketing, consulting, recruitment, printing and security (CPV 79000000), Education and training services (CPV 80000000), Health and social work services (CPV 85000000), Sewage, refuse, cleaning and environmental services (CPV 90000000), Recreational, cultural and sporting services (CPV 92000000), Other community, social and personal services (CPV 98000000) - Place: Niedersachsen (DE9) ## Timeline - 6 November 2026, 16:30 (UTC+01:00): Original notice, Notice, version 1 (Contract or concession notice – standard regime), [Official notice](https://oeffentlichevergabe.de/ui/de/notices/63e348257a506fc1) ## Classification - CPV codes: Repair and maintenance services (CPV 50000000); Installation services (except software) (CPV 51000000); Hotel, restaurant and retail trade services (CPV 55000000); Financial and insurance services (CPV 66000000); Real estate services (CPV 70000000); Architectural, construction, engineering and inspection services (CPV 71000000); Administration, defence and social security services (CPV 75000000); Agricultural, forestry, horticultural, aquacultural and apicultural services (CPV 77000000); Business services: law, marketing, consulting, recruitment, printing and security (CPV 79000000); Education and training services (CPV 80000000); Health and social work services (CPV 85000000); Sewage, refuse, cleaning and environmental services (CPV 90000000); Recreational, cultural and sporting services (CPV 92000000); Other community, social and personal services (CPV 98000000) - NUTS regions: Niedersachsen (DE9) ## Official documents No documents found in the indexed notice. ## Questions and answers ### What is being procured (CPV)? Repair and maintenance services (CPV 50000000), Installation services (except software) (CPV 51000000), Hotel, restaurant and retail trade services (CPV 55000000), Financial and insurance services (CPV 66000000), Real estate services (CPV 70000000), Architectural, construction, engineering and inspection services (CPV 71000000), Administration, defence and social security services (CPV 75000000), Agricultural, forestry, horticultural, aquacultural and apicultural services (CPV 77000000) and 6 more. ### Where is the work performed (NUTS)? Niedersachsen (DE9). ### Is it divided into lots? No, the notice names a single lot. ### Which procedure is used? de-comp-wo-call. ### How do I submit a bid? On the official notice or the portal it names. Inteliwert does not submit bids. [Official notice](https://oeffentlichevergabe.de/ui/de/notices/63e348257a506fc1) ### Am I eligible? Inteliwert does not judge eligibility. The selection criteria are in the official notice. [Official notice](https://oeffentlichevergabe.de/ui/de/notices/63e348257a506fc1) ## Companies that might fit *Possible match based on public information* Companies Inteliwert knows from its sources, not the whole market. Inteliwert does not judge eligibility, fit or chances. - [Procitec GmbH](https://inteliwert.com/company/org_639Y8V047BGXWA0WWGFQQQR708/procitec-gmbh) · Pforzheim · SME (from the award notice) · New to public tenders - Won a contract in CPV group 500 (2026-05-15): [Evidence](https://inteliwert.com/tender/opp_RQSM7ND143WBQ8HMF7EGJD3179/irv-standort), checked 6 Nov 2026 - Seat in the same country as the place of performance: [Evidence](https://inteliwert.com/company/org_639Y8V047BGXWA0WWGFQQQR708), checked 6 Nov 2026 - [steep GmbH](https://inteliwert.com/company/org_GP1NS70V8K9MHQKBMQ8WA7WRE7/steep-gmbh) · Bonn · SME (from the award notice) · New to public tenders - Won a contract in CPV group 500 (2026-10-19): [Evidence](https://inteliwert.com/tender/opp_1XCF7KT4XWY31XFT440RBESMT5/irv-werk), checked 6 Nov 2026 - Seat in the same country as the place of performance: [Evidence](https://inteliwert.com/company/org_GP1NS70V8K9MHQKBMQ8WA7WRE7), checked 6 Nov 2026 - [ABG Anlagen-, Bau- und Betriebsgesellschaft mbH](https://inteliwert.com/company/org_NTD7TYRH37VKFJ5VJYMTMFJNFW/abg-anlagen-bau-und-betriebsgesellschaft-mbh) · Dresden · SME (from the award notice) · New to public tenders - Won a contract in CPV group 500 (2026-09-18): [Evidence](https://inteliwert.com/tender/opp_B228PCV6E6FWDKP4B83QV53H62/rahmenvereinbarung-servicemanagement-lausitz), checked 6 Nov 2026 - Seat in the same country as the place of performance: [Evidence](https://inteliwert.com/company/org_NTD7TYRH37VKFJ5VJYMTMFJNFW), checked 6 Nov 2026 - [steep GmbH](https://inteliwert.com/company/org_X89Y9EK30C02K4K61P473S7CXW/steep-gmbh) · Bonn · SME (from the award notice) · New to public tenders - Won a contract in CPV group 500 (2026-10-08): [Evidence](https://inteliwert.com/tender/opp_SFE7Z5XYW0DFAATHYSARMEAPGF/irv-standort), checked 6 Nov 2026 - Seat in the same country as the place of performance: [Evidence](https://inteliwert.com/company/org_X89Y9EK30C02K4K61P473S7CXW), checked 6 Nov 2026 - [Bremsen-Schneider GmbH](https://inteliwert.com/company/org_RSZZTY1CV02SR008DJ67314H84/bremsen-schneider-gmbh) · Schwäbisch Hall · SME (from the award notice) - Won a contract in CPV group 501 (2026-09-29): [Evidence](https://inteliwert.com/tender/opp_7ZTG8Y8W9DGBN0YBR1WV0AYFPY/wartung-und-instandhaltung-von-fahrzeugen-mit-verlasteter-ausstattung), checked 6 Nov 2026 - Seat in the same country as the place of performance: [Evidence](https://inteliwert.com/company/org_RSZZTY1CV02SR008DJ67314H84), checked 6 Nov 2026 ## Related opportunities - [Isotopenanalysen von Grundwasserproben](https://inteliwert.com/tender/opp_DCQXFBP32HNXNVTXGDVYE2ANJ3/isotopenanalysen-von-grundwasserproben) Open · Place: DE9 (Niedersachsen) · [Official notice](https://oeffentlichevergabe.de/ui/de/notices/dc1353c6914051f2), Last checked 6 Nov 2026, 17:31 (UTC+01:00) - [COSMOS – Reparatur- & Modifikationsleistungen an DC-Offshore-Netzanlagen der TenneT TSO GmbH](https://inteliwert.com/tender/opp_EQ3BWBTV4M7S6WW4SMDKN5C1DF/cosmos-reparatur-modifikationsleistungen-an-dc-offshore-netzanlagen-der-tennet-t) Open · Buyer: TenneT TSO GmbH · Place: DEZZZ, DE929 (Niedersachsen) · Published value: €1 excl. VAT · [Official notice](https://oeffentlichevergabe.de/ui/de/notices/855bde70-d03c-4d09-b69d-d6968117a172), Last checked 6 Nov 2026, 17:31 (UTC+01:00) - [Rahmenvertrag zur Sicherheitsinspektion, Wartung, Instandsetzung und Ersatzbeschaffung von fest eingebauten und transportablen Turn- und Sportgeräten in den Sporthallen der Stadt Ronnenberg](https://inteliwert.com/tender/opp_DJ14RJNP2E3EYAXFCZA2BJ2N1B/rahmenvertrag-zur-sicherheitsinspektion-wartung-instandsetzung-und-ersatzbeschaf) Open · Place: DE9 (Niedersachsen) · Deadline: 9 Nov 2026, 08:00 (UTC+01:00) · [Official notice](https://oeffentlichevergabe.de/ui/de/notices/1491635a774973fc), Last checked 6 Nov 2026, 14:30 (UTC+01:00) - [Rahmenvertrag zur Sicherheitsinspektion, Wartung, Instandsetzung und Ersatzbeschaffung von fest eingebauten und transportablen Turn- und Sportgeräten in den Sporthallen der Stadt Ronnenberg](https://inteliwert.com/tender/opp_SEPZ9CS593ZBNQ44WE5S4Q4B05/rahmenvertrag-zur-sicherheitsinspektion-wartung-instandsetzung-und-ersatzbeschaf) Open · Place: DE9 (Niedersachsen) · Deadline: 9 Nov 2026, 08:00 (UTC+01:00) · [Official notice](https://oeffentlichevergabe.de/ui/de/notices/e93070feb992baa1), Last checked 6 Nov 2026, 14:30 (UTC+01:00) - [26-0331\_S Prüfung Blitzschutzanlage](https://inteliwert.com/tender/opp_3X4W9PMD0YMWFYC0KAMVSHNJCF/26-0331-s-pruefung-blitzschutzanlage) Open · Place: DE9 (Niedersachsen) · Deadline: 30 Nov 2026, 09:30 (UTC+01:00) · [Official notice](https://oeffentlichevergabe.de/ui/de/notices/5cfcc053a762aa61), Last checked 6 Nov 2026, 05:30 (UTC+01:00) - [Fäkalabfuhr 2027-2028](https://inteliwert.com/tender/opp_5N8Y7Z7704KYYVH2W2J1C2EKRD/faekalabfuhr-2027-2028) Open · Place: DE9 (Niedersachsen) · Deadline: 30 Nov 2026, 09:00 (UTC+01:00) · [Official notice](https://oeffentlichevergabe.de/ui/de/notices/d515251159a7ce91), Last checked 6 Nov 2026, 05:30 (UTC+01:00) ## Source - Publisher: Bekanntmachungsservice - Licence: [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/) - Official notice: [https://oeffentlichevergabe.de/ui/de/notices/63e348257a506fc1](https://oeffentlichevergabe.de/ui/de/notices/63e348257a506fc1) - Last checked: 6 November 2026, 16:30 (UTC+01:00) The official notice is authoritative. Inteliwert shows what the notice states and links to it. --- Page: https://inteliwert.com/tender/opp_BC7GJMS1EGGGM7MEN7MCC6E98K/radionuclide-transport-modelling-for-the-german-synthetic-crystalline-rock-safet Inteliwert is a product of Bandpey GmbH, an international data and AI software company in Munich, Germany, founded and led by Roozbeh Bandpey. Bandpey's products: Facthory, Emolysis, Copolly and Inteliwert. Inteliwert on LinkedIn: https://www.linkedin.com/company/intelliwert, GitHub: https://github.com/inteliwertai.