SAMDaily.us | SNOTE | R | Notice of Intent to Noncompetitively Procure Project Entitled, ""Knowledge Transfer and Training for the Computer Code Developed for Analysis of Irradiated Concrete""

SAMDAILY.US - ISSUE OF MAY 08, 2021 SAM #7098
SPECIAL NOTICE

R -- Notice of Intent to Noncompetitively Procure Project Entitled, ""Knowledge Transfer and Training for the Computer Code Developed for Analysis of Irradiated Concrete""

Notice Date: 5/6/2021 3:26:23 PM
Notice Type: Special Notice
NAICS: 541690 — Other Scientific and Technical Consulting Services
Contracting Office: NUCLEAR REGULATORY COMMISSION ROCKVILLE MD 20855 USA
ZIP Code: 20855
Solicitation Number: 31310021Q0050
Response Due: 5/24/2021 2:00:00 PM
Archive Date: 06/08/2021
Point of Contact: Carolyn A. Cooper, Phone: (301)415-6734, Caitlin Kimball, Phone: (301)415-0463
E-Mail Address: carolyn.cooper@nrc.gov, Caitlin.Kimball@nrc.gov
(carolyn.cooper@nrc.gov, Caitlin.Kimball@nrc.gov)
Description: BACKGROUND According to the Expanded Material Degradation Assessment (EMDA) Report, NUREG/CR-7153 Vol. 4, �Aging of Concrete and Civil Structures,� October 2014, irradiation of reactor pressure vessel (RPV) concrete support structures emerged as the high research priority among issues identified that are low-knowledge but high significance for concrete and concrete degradation related to the long-term operation of nuclear power plant (NPP) structures. �To investigate this issue, the NRC contracted a research project to Argonne National Laboratory (ANL) in collaboration with the University of Colorado at Boulder (CU) from 2016-2020. �This work was completed in December 2020 and the outcome of this research was documented in two reports that are pending publication. �This research reviewed the state of knowledge related to radiation-induced degradation, estimated radiation levels, a limited survey of reactor support structures, and important design criteria. �The review indicated�that all operating PWRs have the potential to generate neutron fluence levels in the reactor cavity that could result in concrete degradation for long term operation of the NPPs. �Based on the knowledge gained from this review, theoretical and numerical models were also developed to predict long-term performance of mechanical and transport responses of concrete structures exposed to neutron and gamma radiation field and elevated temperatures. �These models characterize the degradation mechanisms with multiple phases and multiple-scale internal structures integrating nano, micro, meso, and structural levels. �The framework combines radiation transport phenomena through concrete, temperature gradient, mechanical damage, coupled with viscoelastic creep model. �The capability of the computer code developed was demonstrated by a coupled radio-thermo-mechanical analysis to predict the long-term mechanical and transport responses of concrete segments. The computer code and the framework, named ""Coupled Analysis of Irradiated Concrete (CAICE),"" were implemented in MATLAB and ABAQUS via customized codes. �The computational methods used in CAICE are the finite element method and finite difference method. �The result of the project represents a pioneering computational framework which is a combination of user-defined materials models developed by the University of Colorado at Boulder and available commercial finite element software such as ABAQUS. � In order to use the CAICE code effectively for numerical analysis of long-term performance of reinforced concrete structures under realistic operational environments to support regulatory decisions, the theoretical background, modeling process, computer codes, and operation of CAICE need to be fully understood by the NRC staff. �Therefore, documentation�and training of CAICE are needed for these developed tools. � OBJECTIVE The objective of this project�is to transfer knowledge for the computer code and the framework, developed by the University of Colorado, Boulder, for Coupled Analysis of Irradiated Concrete (CAICE) and provide related training to the NRC staff. This project�will focus on knowledge transfer and development of detailed documentation to make the code more accessible to the staff.� The contractor shall add comments to all written codes, delineate the structure and the sequence of the codes, develop an extensive user�s manual, build detailed models for demonstration purposes, establish training sessions, and develop any other relevant documentation as necessary.
Web Link: SAM.gov Permalink
(https://beta.sam.gov/opp/ff26a31e9b974935a6f4ba31258da264/view)
Place of Performance: Address: Boulder, CO, USA; Country: USA
Record: SN05993489-F 20210508/210506230112 (samdaily.us)
Source: SAM.gov Link to This Notice
(may not be valid after Archive Date)

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R -- Notice of Intent to Noncompetitively Procure Project Entitled, ""Knowledge Transfer and Training for the Computer Code Developed for Analysis of Irradiated Concrete""