Ausschreibung 939661: Model-based assessment of repository induced effects
Publiziert am: 25. November 2016
Nagra
The overall purpose of this assignment is to assess, for both repository types (HLW (Lot 1), L/ILW (Lot2), respectively), the impact of repository-induced effects on the long-term performance of the repository system. Special focus will be dedicated to the question, whether site specific aspects may exhibit a significant impact on the safety margins associated with the mitigation of repository-induced effects. Thus, a criteria-based indicator approach could be adopted to identify the most suitable repository site out of the three candidate siting areas (Jura Ost, Nördlich Lägern, Zürich Nordost). Lot 1 comprises work packages WP1, WP2 and WP5a; Lot 2 comprises work packages WP3, WP4 and WP5b. The work packages for lot 1 comprise: Lot 1: Lot 2:
The role of the repository-induced effects needs to be evaluated in this assignment by conducting thermo-hydraulic simulations of two phase flow and multi-component transport along the backfilled repository configurations and in the surrounding host rock in 2-D and 3-D model set-ups. The simulations will cover the whole lifecycle of the repository, including construction, operations period and post closure phase. Modelling of the early stages, when the open underground structures are ventilated, is aimed at providing the correct initial conditions for the simulations of the post closure phase. The repositories need to be modelled in sufficient detail so that the mass and heat flow, the gas pressure build-up, the saturation behaviour of the engineered barrier systems (EBS) materials and the host rock is characterized in detail and insight is gained with respect to the phenomena or aspects that increase the likelihood of compromising the safety functions of the engineered and geological barriers, respectively. Flow of gas and water along and around the backfilled underground structures and the host rock shall be characterized and quantified in detail during the construction and operational phase as well as post operational phase. In addition, the movement of volatile radionuclides in the gas phase needs to be modelled. The impact of thermal effects on the mechanical integrity of the host rock and the engineered barriers needs to be evaluated in the context of comprehensive stress path analyses.
The assignment will comprise four work packages to be executed in two phases. The first phase gives emphasis to the development of a basic work-flow for the intended phenomenological system analyses (Dry-Run, lasting from February 2017 to July 2018). Upon successful completion of the first phase, the second phase (August 2018 to December 2020) will be initiated with focus on the integration of new site-specific information in the modelling workflow.
• WP1 – HLW-SBI / Phenomenological system analyses in support of barrier integrity: Geoscientific analysis and interpretation of repository-induced effects (thermal, mechanical, gas-related and chemical impacts) in the underground structures of a HLW repository and in the host rock. The THM-C related analyses must allow conclusions for the whole spectrum of geological settings and repository configurations. The impact of conceptual and parametric uncertainties on the modelling results has to be addressed.
• WP2 – HLW-SFS / Safety-related model abstractions associated with the repository near-field: Geoscientific analyses and abstractions of repository-induced effects along the backfilled underground structures and in the host rock around the repository. The impact of conceptual and parametric uncertainties on the modelling results has to be addressed.
• WP5a – RIE-reference data sets and contribution to the RIE Synthesis Reports (Dry-Run): Development of general workflows for and indicator-based site selection process and for the elabora-tion of RIE reference data sets for HLW. Documentation of the achievements in technical documents which will be subjected to a comprehensive review process.
• WP3 - L/ILW-SBI / Phenomenological system analyses in support of barrier integrity: Geoscientific analysis and interpretation of repository-induced effects (thermal, mechanical, gas-related and chemical impacts) in the underground structures of a L/ILW repository and in the host rock. The THM-C related analyses must allow conclusions for the whole spectrum of geological settings and repository configurations. The impact of conceptual and parametric uncertainties on the modelling results has to be addressed.
• WP4 – L/ILW-SFS / Safety-related model abstractions associated with the repository nearfield: Geoscientific analyses and abstractions of repository-induced effects along the backfilled underground structures and in the host rock around the repository. The impact of conceptual and parametric uncertainties on the modelling results has to be addressed.
• WP5b – RIE-reference data sets and contribution to the RIE Synthesis Reports (Dry-Run): Development of general workflows for and indicator-based site selection process and for the elabora-tion of RIE reference data sets for L/ILW. Documentation of the achievements in technical documents which will be subjected to a comprehensive review process.
| Auftraggeber: |
Träger kantonaler Aufgaben
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| Kategorie: | Ausschreibung |
| Sprache: | en |
| Abgabetermin: | abgelaufen |
| Ort: |
At the awarding organisation in Wettingen, Switzerland, and the offices of the assigned consultant. |
| Zeit für Fragen: | abgelaufen |
| Tags: |
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| Gruppen: |
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| Untergruppen: |
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| Lots : |
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Zeitplan
Folgender Zeitplan wurde aus den simap-Publikationsdaten erstellt:
| Datum | Ereignis | Kommentar |
|---|---|---|
| 25. November 2016 | Publikationsdatum | |
| None | Ausschreibungsunterlagen verfügbar ab | None |
| 15. Dezember 2016 | Frist für Fragen | Questions to this procurement have to be sent per E-Mail until 15th December 2016, 17:00. Information will not be provided verbally. Contact for additional information on the request: george.wewerka@nagra.ch. |
| 4. Januar 2017 | Abgabetermin 00:00 | The offers have to be received by the awarding authority latest 4th January 2017, 17:00 (not date of postmark). Offers received after this deadline will not be evaluated and will be excluded from the tender procedure. |
| 5. Januar 2017 | Offertöffnung | The offers have to be received by the awarding authority latest 4th January 2017, 17:00 (not date of postmark). Offers received after this deadline will not be evaluated and will be excluded from the tender procedure. |
| 15. Februar 2017 | Geplanter Projektstart | |
| 31. Januar 2020 | Geplantes Projektende |
Lot-Information
- Aufteilung in Lose
- Angebote sind für alle Lose möglich
- Projektdauer von 15.02.2017 bis 31.01.2020
Zuschlagskriterien
| Gewichtung | Kriterium |
|---|---|
| 35% | Qualification and experience of the modellers |
| 35% | Financial offer |
| 20% | Analysis of assignment and concept of approach |
| 10% | Computer infrastructure and quality assurance |
- Aufteilung in Lose
- Angebote sind für alle Lose möglich
- Projektdauer von 15.02.2017 bis 31.01.2020
Zuschlagskriterien
| Gewichtung | Kriterium |
|---|---|
| 35% | Qualification and experience of the modellers |
| 35% | Financial offer |
| 20% | Analysis of assignment and concept of approach |
| 10% | Computer infrastructure and quality assurance |
Zulassungsbedingungen
Bidding consortia are permitted to submit an offer, but the consortium must be limited to two members. The institution in lead (company of the chief modeller) bears the entire assigned responsibility. The chief modeller as well as most appointed employees must work in the same company.
Lot 1:
S1.1: Evidence of experience of the company:
Experience in the elaboration of THMC models for the simulation of coupled THMC processes associated with water flow and gas transport in the vicinity and geosphere of repositories for spent fuel, high-level waste and intermediate-level waste in Opalinus Clay (or equivalent clay host rock).
Proof of suitability:
One valid reference project during the last 10 years, demonstrating the ability to handle vast 3-D repository models for HLW (model size: < 300’000 nodes). The ability is demonstrated in the reference project to model the impact of complex THMC processes on the perfor-mance of the HLW repository system and to assess the consequences for long-term safety.
S2.1: Evidence of experience of the company:
The tenderer must have significant experience regarding the role of repository induced effects (RIE) in the safety analysis of disposal of radioactive waste. This includes knowledge covering the processes leading to gas generation, impact of heat generation, geomechanical effects (excavation damaged zone - EDZ) and hydro-chemical interactions and impact of RIE on the safety analysis including the model abstraction this requires.
Proof of suitability:
One reference project during the last 10 years for HLW involving the aspects above showing the comprehensive treatment of the RIE in a national disposal programme.
S3.1: Availability of personnel, response time:
S3.1.1 The tenderer assures that the declared work load (hours) per appointed employee can be achieved. The work load of the supervisor and the deputy supervisor together has to be at least 50% of the work load called for to successfully implement this project. The supervisor and the deputy supervisor have to be very flexible and participate at briefly organised meetings in Wettingen (max. response time 2 days).
S3.1.2 If the tenderer applies for both lots (1 and 2), he needs to have at least five experienced and suitable modellers. Four modellers are appointed by the tenderer to carry out this mandate, one additional modeller is requested to minimise project risks. Besides the 5 suitable modellers the company needs to have contacts to at least 2 additional experts who are familiar with safety analysis for deep geological repositories for the disposal of radioactive waste. These experts do not necessarily need to be employees of the tenderer.
If the tenderer applies for one lot (1 or 2), he needs to have at least two experienced and suitable modellers to carry out this mandate. Besides the 2 suitable modellers the company needs to have contacts to at least 2 additional experts who are familiar with safety analysis for deep geological repositories for the disposal of radioactive waste. These experts do not necessarily need to be employees of the tenderer.
Proof of suitability:
S3.1.1 Written confirmation that the declared work load in the offer can be achieved. Written confirmation that the work load of the supervisor and the deputy supervisor exceeds 50%. Written confirmation that the supervisor (or the deputy supervisor) is able to be at Nagra, Wettingen, Switzerland within 2 days after contact (e.g. phone call).
S3.1.2 Written confirmation that the tenderer has at least 5 experienced (both lots)/ 2 experienced (one lot), suitable modellers and 2 additional experts according to the requirements mentioned above. The CVs of the four/two modellers the short CV’s of the additional modeller and the two experts have to be attached to the offer. Suitable proof has to be given of how the experts are connected to the tenderer (e.g. previous projects).
Lot 2:
S1.2: Evidence of experience of the company:
Experience in the elaboration of two-phase models for the simulation of coupled THMC processes associated with water flow and gas transport in the vicinity and geosphere of repositories for low- and intermediate-level waste in a sedimentary host rock.
Proof of suitability:
One valid reference project during the last 10 years, demonstrating the ability to handle vast 3-D repository models for L/ILW (model size: < 300’000 nodes). The ability is demonstrated in the reference project to model the impact of complex THMC processes on the performance of the L/ILW near-field and to assess the consequences for long-term safety.
S2.2: Evidence of experience of the company:
The tenderer must have significant experience regarding the role of repository induced effects (RIE) in the safety analysis of disposal of radioactive waste. This includes knowledge covering the processes leading to gas generation, impact of heat generation, geomechanical effects (excavation damaged zone - EDZ) and hydro-chemical interactions and impact of RIE on the safety analysis including the model abstraction this requires.
Proof of suitability:
One reference project during the last 10 years for L/ILW involving the aspects above showing the comprehensive treatment of the RIE in a national waste disposal inventory.
S3.2: Availability of personnel, response time:
S3.2.1 The tenderer assures that the declared work load (hours) per appointed employee can be achieved. The work load of the supervisor and the deputy supervisor together has to be at least 50% of the work load called for to successfully implement this project. The supervisor and the deputy supervisor have to be very flexible and participate at briefly organised meetings in Wettingen (max. response time 2 days).
S3.2.2 If the tenderer applies for both lots (1 and 2), he needs to have at least five experienced and suitable modellers. Four modellers are appointed by the tenderer to carry out this mandate, one additional modeller is requested to minimise project risks. Besides the 5 suitable modellers the company needs to have contacts to at least 2 additional experts who are familiar with safety analysis for deep geological repositories for the disposal of radioactive waste. These experts do not necessarily need to be employees of the tenderer.
If the tenderer applies for one lot (1 or 2), he needs to have at least two experienced and suitable modellers to carry out this mandate. Besides the 2 suitable modellers the company needs to have contacts to at least 2 additional experts who are familiar with safety analysis for deep geological repositories for the disposal of radioactive waste. These experts do not necessarily need to be employees of the tenderer.
Proof of suitability:
S3.2.1 Written confirmation that the declared work load in the offer can be achieved. Written confirmation that the work load of the supervisor and the deputy supervisor exceeds 50%. Written confirmation that the supervisor (or the deputy supervisor) is able to be at Nagra, Wettingen, Switzerland within 2 days after contact (e.g. phone call).
S3.2.2 Written confirmation that the tenderer has at least 5 experienced (both lots)/ 2 experienced (one lot), suitable modellers and 2 additional experts according to the requirements mentioned above. The CVs of the four/two modellers the short CV’s of the additional modeller and the two experts have to be attached to the offer. Suitable proof has to be given of how the experts are connected to the tenderer (e.g. previous projects).
Both lots:
S4: Language requirements:
The supervisor and the deputy supervisor need to be fluent in English and German (good skills in speaking).
Proof of suitability:
Declaration that the supervisor and the deputy supervisor are fluent in English and German. The skills of both persons may be verified.
S5: Software requirements:
The tenderer must have in depth experience with the software TOUGH (code required to conduct the simulations). This includes experience with the processes implemented in the code through interactions with the developers of the source code. The contractor must further have a comprehensive strategy for the pre- and post- processing of the data needed for the large number of simulations that are required.
Proof of suitability:
S5.1-S5.3 At least three references showing collaboration with the developers of the code (Lawrence Berkely National Laboratories) indicating the high level use of the code.
S6: Hardware requirements:
The tenderer must have a permanent high-capacity computer infrastructure to carry out the complicated calculations incl. redundant data storage (probabilistic modelling approaches requiring comprehensive Mont Carlo simulations). The system must have at least 50 current processors (equal to a Xeon CPU or better) and sufficient RAM and storage. Management of the calculation work with reliable backup-, archiving and security assurance systems are necessary.
Proof of suitability:
Written confirmation of in-house permanent available high-capacity computer infrastructure.
S7: QM/QA requirements:
QM-Certification according to ISO 9001 or equal system.
Proof of suitability:
The tenderer has to provide the evidence of a certification according to DIN ISO 9001 (or the evidence of an equal system for quality management). The certification or the documenta-tion of the system has to be attached to the offer.
According to digit 3.7 and the terms in the procurement documents.
Zusätzliche Informationen
none
The awarding organisation does not accept standard business conditions from tenderers.
The client only awards public commissions for services in Switzerland to tenderers who comply with job security regulations and the conditions of work for employees, and provide equal payment for men and women.
1) Nagra reserves the right to mandate further similar tasks directly according to § 8, Abs. 3, lit. i / Submission decree of the Canton Aargau.
2) The company INTERA (Austin) has supported Nagra during SGT - stage 2 and is allowed to participate in this tender.
simap.ch and the official Gazette of the Canton Aargau.
1. Complaints against this procurement can be made, in a fixed period of 10 days after publication of the award, at the
Verwaltungsgericht des Kantons Aargau, Obere Vorstadt 40, 5001 Aarau, Switzerland. Complaints sent after the 10 day
deadline will not be considered by the administrative court (Verwaltungsgericht).
2. The documentation of a complaint has to contain a request and a justification:
a) stating what the administrative court should decide on, and
b) showing on what evidence the arguments are based.
3. Complaints that do not fulfil the mentioned requirements and do not agree with the laws of the Canton Aargau will not
be considered.
4. A copy of the procurement publication and documents has to be attached to the document of complaint.
5. The complaints procedure has implicit cost risks, i.e. the losing party normally must pay the procedural costs as well
as the costs for the legal representation of the other Party.
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