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Life at SRS After RADCALC

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Presentation on theme: "Life at SRS After RADCALC"— Presentation transcript:

1 Life at SRS After RADCALC
The joys of making radioactive determinations Kevin Coley, DSL Lead, Hazardous Materials Transportation CTMA 2017 May 24, 2017

2 Life at SRS after RADCALC
Radcalc is a software application that provides consistency, accuracy, reproducibility, timeliness, quality, compliance, and appropriate documentation to shippers of radioactive materials and wastes at U.S. Department of Energy (DOE) facilities nationwide. RADCALC Software Advisiory dtd March 26, 2015, Review of Federal Oversight of Software Quality Assurance for RADCALC On March 16, 2015 the Defense Nuclear Facilities Safety Board (DNFSB) issued a letter identifying deficiencies in the proper oversight, maintenance, and use of RADCALC. RADCALC is a DOE acquired computer program used to perform regulatory transportation calculations based on isotopic content. DNSFB stated that “these deficiencies could result in vulnerabilities in RADCALC's calculation of decay heat, radioactivity, and/or hydrogen gas generation, which could result in serious consequences for workers and the public in the event of a transportation accident.”

3 Life at SRS after RADCALC
July 7, 2015, DOE-HQ EM-33 issued letter suspending use of RADCALC 4.1, effective 7/13/15 (HM-250 delayed implementation date) Advisory summary Sites should strongly consider implementing the following recommendations immediately: • Stop using RADCALC 4.1 effective July 13, 2015 • Uninstall RADCALC 4.1 software from all registered users’ computers. • Identify staff properly qualified to perform complex transport calculations to meet the transport regulations • Utilize a rigorous and documented peer review process to assure compliance with the transport regulations • Allow sufficient lead time for preparing shipment(s) for offsite transportation SRS Management directed cessation of use and removal of RADCALC 4.1 from all Site computers

4 Life at SRS after RADCALC – The end as we know it
July 8, 2015…SRS RADCALC 4.1 at SRS

5 R.I.P. RADCALC 4.1 2011 - 2015 Savannah River Site
Life at SRS after RADCALC R.I.P. RADCALC 4.1 Savannah River Site

6 Life at SRS after RADCALC
Hazardous Materials Transportation Representatives (HMTR) revived various, older Excel spreadsheets used in the past and shared with each other No consistency on radioactive determinations Had pipeline engineers work on verifying calculations from HMTRs Director of N&CSE wanted a more formalized process HMTRs developed a spreadsheet to assist with rad. determinations Accident Analysts developed a formal engineering calculation to determine the A1/A2 radionuclides with activity that increase during shipment, as required by HM-250

7 Life at SRS after RADCALC – Introduction of Type 2 Calculations
Accident Analysts developed a spreadsheet, based on inputs from HMTRs to conduct rad. determinations Director of N&CSE mandated implementation of the engineering Type 2 calculation process for future rad. determinations Calculation Types based on SRNS Engineering Manual E7 Type 1 calculations are engineering calculations that are intended to be issued and controlled as independent documents (i.e., stand-alone documents) Type 2 calculations are intended to be approved as part of other documentation (i.e., not intended to be stand-alone).

8 Life at SRS after RADCALC
Trying to convince the boss that the engineering calculations was not the desired manner to conduct business…. HMT Team

9 SRS Announces the birth of their latest Radioactive Determination
Life at SRS after RADCALC – Birth Announcement for TransCalc SRS Announces the birth of their latest Radioactive Determination Spreadsheet TransCalc Born: Feb. 17, 2016

10 Life at SRS after RADCALC – Rad. Calculation Determination Cover Sheet

11 Life at SRS after RADCALC – TransCalc Input Data

12 Life at SRS after RADCALC – TransCalc Determination

13 Life at SRS after RADCALC - Summary
Although RADCALC 4.1 is not available to SRNS, we have developed “alternative methods” to assist in radioactive determinations Without RADCALC 4.1, time to complete a TransCalc, on average, is about 5-6 man-hours SRNS eagerly awaits the birth announcement for RADCALC 4.2

14 Life at SRS after RADCALC - Questions

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