ML073330612: Difference between revisions
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{{#Wiki_filter:- Survey Unit Release Record -# Survey Unit Ws) document camtitUte "Specirrl Methods" and the survey design used in the acquisition of survey measuremeas. | {{#Wiki_filter:- Survey Unit Release Record -# Survey Unit Ws) document camtitUte "Specirrl Methods" and the survey design used in the acquisition of survey measuremeas. | ||
: 5) Instrument N~ciency detamhtions are developed in accordance with the BSXVS-002, WEP 05-006, these determinations are appropriate for the types of radiation involved and the media being surveyed. | : 5) Instrument N~ciency detamhtions are developed in accordance with the BSXVS-002, WEP 05-006, these determinations are appropriate for the types of radiation involved and the media being surveyed. | ||
EP-CRT-8 CRT-8 1) Embedded Pipe (EP) Survey Unit CRT-8 meets the -tion of embedded pipe for Phrn Brook Reactor Facility (PBRF). 2) EP CXT-8 is a Class 1, Group 1 survey unit as per the PBRF Find Status Survey Plan (FSSP) and Technical Basis Document ('I'BD)-M-OoQ. | EP-CRT-8 CRT-8 1) Embedded Pipe (EP) Survey Unit CRT-8 meets the -tion of embedded pipe for Phrn Brook Reactor Facility (PBRF). 2) EP CXT-8 is a Class 1, Group 1 survey unit as per the PBRF Find Status Survey Plan (FSSP) and Technical Basis Document ('I'BD)-M-OoQ. | ||
: 3) Surveys in EP CRT-8 were performed using a scintillation detector optimized to measure gamma energies representative of C040. Sample #EP 3- 9 from Survey Request (SR)-13 was referenced fbr this decision. | : 3) Surveys in EP CRT-8 were performed using a scintillation detector optimized to measure gamma energies representative of C040. Sample #EP 3- 9 from Survey Request (SR)-13 was referenced fbr this decision. | ||
: 4) Survey Instructions for this survey unit are incorpo-rated into and @med in accardance with (MW) the Babcock SerJices Incorporated | : 4) Survey Instructions for this survey unit are incorpo-rated into and @med in accardance with (MW) the Babcock SerJices Incorporated | ||
@Sr)/LVS-002, Work Excution Package (WEP) 05-006. Survey instructions described in this Revision # Original Page 1 of 3 FSS Design # EP CRT-8 Sutvey Unit: CRT-8 1.0 EGstory/Description 1 .1 The subject pipe system is a 2.5" diameter pendon located on the CllT plate within the Sub Pile Room. The system access point is located on the -34' el. of the Rx building. | @Sr)/LVS-002, Work Excution Package (WEP) 05-006. Survey instructions described in this Revision # Original Page 1 of 3 FSS Design # EP CRT-8 Sutvey Unit: CRT-8 1.0 EGstory/Description 1 .1 The subject pipe system is a 2.5" diameter pendon located on the CllT plate within the Sub Pile Room. The system access point is located on the -34' el. of the Rx building. | ||
1.2 EP CRT-8 mnsists of 2.5" diameter piping that is approximately 3 feet in 20 Survey Design Information 2.1 FLP CRT-8 was ameyed IAW Prodwe #BSVLVS-002. | 1.2 EP CRT-8 mnsists of 2.5" diameter piping that is approximately 3 feet in 20 Survey Design Information 2.1 FLP CRT-8 was ameyed IAW Prodwe #BSVLVS-002. | ||
2.2 100% of the piping was msible for survey. The accessible pipe was surveyed by static meamment at me foot increments, for a total of 3 mey measurements. | 2.2 100% of the piping was msible for survey. The accessible pipe was surveyed by static meamment at me foot increments, for a total of 3 mey measurements. | ||
The total surf= area hr the piping system is approximately 1,824 cm2 (0.2 m2) for the entire length of (3') of pip'-. 3.0 Survey Unit Measurement Locationdllata 3.1 Pipe interior radiological survey forms are pravided in Attachment 2 of this release record. 4.0 Survey Unit Tnvesti~tio~b 4.1 None 5.0 Data Assessment Results 5.1 Data asmment results are provided in the EPIBuried Pipe (BP) Swey Report provided in Attachment | The total surf= area hr the piping system is approximately 1,824 cm2 (0.2 m2) for the entire length of (3') of pip'-. 3.0 Survey Unit Measurement Locationdllata 3.1 Pipe interior radiological survey forms are pravided in Attachment 2 of this release record. 4.0 Survey Unit Tnvesti~tio~b 4.1 None 5.0 Data Assessment Results 5.1 Data asmment results are provided in the EPIBuried Pipe (BP) Swey Report provided in Attachment | ||
: 1. 5 2 All measurement results are less than the Dwived Concernstion Guiddine Level @CGL) for donuclide specific EP tbat camponds to the 1 mremlyr dose goal established in Table 3-3 of the: FSSP. When implementing the Unity Rule, provided in Section 3.6.3 of the FSSP, and applying the Nuclide Fdon (NF), provided in TBM5004, the survey unit that is constituted by EP CRT-8 passes FSS. 5.4 Background was not subtracted hm the survey measurements and the. Elevated Measurement Comparison WC) was not employed for this mey unit. Revision # Original Page 2 of 3 FSS Design # EP CRT-8 Revision # Origmal Page 3 of 3 Smy Unit: CRT -- -- -- - - 5.5 Statistid Surnmary Table 6.0 Documentation of evduations pertaining to compliance with the unrestricted use limit of 25 me* d dose contributions from Embedded Pipe and r;tdionuclid.es contributing 10% in aggregate of the total dose fix both mctural scenarios and soils. 6.1 A review of the survey resuIts has shown that the dose contribution for EP CRT-8 to be less than 1 mredyr. The dose contribution is estimated to be 0.03 0 Wyr based on the average of the ad pss counts mead. Attachments Attachment 1 - BSX EPBP Sumey Report Atkdumt 2 -Pipe interior Radiological Swey Form Attachment 3 - DQA Worksheet Attachment 4 -Disc containing RR fbr EP CRT-8 & Spreadsheet SECTION 7 ATTACHMENT 1 2 PAGE(S) | : 1. 5 2 All measurement results are less than the Dwived Concernstion Guiddine Level @CGL) for donuclide specific EP tbat camponds to the 1 mremlyr dose goal established in Table 3-3 of the: FSSP. When implementing the Unity Rule, provided in Section 3.6.3 of the FSSP, and applying the Nuclide Fdon (NF), provided in TBM5004, the survey unit that is constituted by EP CRT-8 passes FSS. 5.4 Background was not subtracted hm the survey measurements and the. Elevated Measurement Comparison WC) was not employed for this mey unit. Revision # Original Page 2 of 3 FSS Design # EP CRT-8 Revision # Origmal Page 3 of 3 Smy Unit: CRT -- -- -- - - 5.5 Statistid Surnmary Table 6.0 Documentation of evduations pertaining to compliance with the unrestricted use limit of 25 me* d dose contributions from Embedded Pipe and r;tdionuclid.es contributing 10% in aggregate of the total dose fix both mctural scenarios and soils. 6.1 A review of the survey resuIts has shown that the dose contribution for EP CRT-8 to be less than 1 mredyr. The dose contribution is estimated to be 0.03 0 Wyr based on the average of the ad pss counts mead. Attachments Attachment 1 - BSX EPBP Sumey Report Atkdumt 2 -Pipe interior Radiological Swey Form Attachment 3 - DQA Worksheet Attachment 4 -Disc containing RR fbr EP CRT-8 & Spreadsheet SECTION 7 ATTACHMENT 1 2 PAGE(S) | ||
BSI EPlBP SURVEY REPORT COMMENTS: | BSI EPlBP SURVEY REPORT COMMENTS: | ||
Revision as of 17:04, 12 July 2019
| ML073330612 | |
| Person / Time | |
|---|---|
| Site: | Plum Brook File:National Aeronautics and Space Administration icon.png |
| Issue date: | 11/15/2007 |
| From: | US National Aeronautics & Space Admin (NASA) |
| To: | NRC/RGN-III/DNMS/DB |
| References | |
| EP-CRT-8 | |
| Download: ML073330612 (12) | |
Text
- Survey Unit Release Record -# Survey Unit Ws) document camtitUte "Specirrl Methods" and the survey design used in the acquisition of survey measuremeas.
- 5) Instrument N~ciency detamhtions are developed in accordance with the BSXVS-002, WEP 05-006, these determinations are appropriate for the types of radiation involved and the media being surveyed.
EP-CRT-8 CRT-8 1) Embedded Pipe (EP) Survey Unit CRT-8 meets the -tion of embedded pipe for Phrn Brook Reactor Facility (PBRF). 2) EP CXT-8 is a Class 1, Group 1 survey unit as per the PBRF Find Status Survey Plan (FSSP) and Technical Basis Document ('I'BD)-M-OoQ.
- 3) Surveys in EP CRT-8 were performed using a scintillation detector optimized to measure gamma energies representative of C040. Sample #EP 3- 9 from Survey Request (SR)-13 was referenced fbr this decision.
- 4) Survey Instructions for this survey unit are incorpo-rated into and @med in accardance with (MW) the Babcock SerJices Incorporated
@Sr)/LVS-002, Work Excution Package (WEP)05-006. Survey instructions described in this Revision # Original Page 1 of 3 FSS Design # EP CRT-8 Sutvey Unit: CRT-8 1.0 EGstory/Description 1 .1 The subject pipe system is a 2.5" diameter pendon located on the CllT plate within the Sub Pile Room. The system access point is located on the -34' el. of the Rx building.
1.2 EP CRT-8 mnsists of 2.5" diameter piping that is approximately 3 feet in 20 Survey Design Information 2.1 FLP CRT-8 was ameyed IAW Prodwe #BSVLVS-002.
2.2 100% of the piping was msible for survey. The accessible pipe was surveyed by static meamment at me foot increments, for a total of 3 mey measurements.
The total surf= area hr the piping system is approximately 1,824 cm2 (0.2 m2) for the entire length of (3') of pip'-. 3.0 Survey Unit Measurement Locationdllata 3.1 Pipe interior radiological survey forms are pravided in Attachment 2 of this release record. 4.0 Survey Unit Tnvesti~tio~b 4.1 None 5.0 Data Assessment Results 5.1 Data asmment results are provided in the EPIBuried Pipe (BP) Swey Report provided in Attachment
- 1. 5 2 All measurement results are less than the Dwived Concernstion Guiddine Level @CGL) for donuclide specific EP tbat camponds to the 1 mremlyr dose goal established in Table 3-3 of the: FSSP. When implementing the Unity Rule, provided in Section 3.6.3 of the FSSP, and applying the Nuclide Fdon (NF), provided in TBM5004, the survey unit that is constituted by EP CRT-8 passes FSS. 5.4 Background was not subtracted hm the survey measurements and the. Elevated Measurement Comparison WC) was not employed for this mey unit. Revision # Original Page 2 of 3 FSS Design # EP CRT-8 Revision # Origmal Page 3 of 3 Smy Unit: CRT -- -- -- - - 5.5 Statistid Surnmary Table 6.0 Documentation of evduations pertaining to compliance with the unrestricted use limit of 25 me* d dose contributions from Embedded Pipe and r;tdionuclid.es contributing 10% in aggregate of the total dose fix both mctural scenarios and soils. 6.1 A review of the survey resuIts has shown that the dose contribution for EP CRT-8 to be less than 1 mredyr. The dose contribution is estimated to be 0.03 0 Wyr based on the average of the ad pss counts mead. Attachments Attachment 1 - BSX EPBP Sumey Report Atkdumt 2 -Pipe interior Radiological Swey Form Attachment 3 - DQA Worksheet Attachment 4 -Disc containing RR fbr EP CRT-8 & Spreadsheet SECTION 7 ATTACHMENT 1 2 PAGE(S)
BSI EPlBP SURVEY REPORT COMMENTS:
ACTIVITY VALUES NOT BACKGROUND CORRECTED RPElrgb#erlm
SECTION 7 ATTACHMENT 2 z PAGE(S)
BSETVSPipeCrawler-002 Revision 5 Pipe Interior Radiologkal Smey Form Time: Pipe ID#: (RT-~ PipeDiameter:
a.sN Access Po& Area: Building:
Ld Elevation:
-34' System: Type of Survey Investigation Final Survey ..%+ Other Gross C060 CS Detector ID# / Sled ID# \ 1kv5-\ / h)~ SU Detector Cal Date: 1- \\ -07 Detector Cal Due Date: I -\]-oL . Ins tmment: 235U- \ Instrument ID #: 199 04") Instrument Cal Date: A - InstrumentCalDueDate: -I146 From the Daily Pipc Survey Detector Control Form for the Selected Detector Background Value 3 .+ . cpm MDCKtstio ) 9 CP~ Efficiency Factor for Pipe Diameter 0.0.0'03.3 (fiom detector efficiency determination) mcsbtic 3427 dpd 10 an2 Is the MDCSmic acceptable?
@ No . (if no, adjwt sample count time and recalculate mCLC) comments:
Po %+ Qbon PD b 7, ~,o m&,&A-, Technician Signature Pipe Interior Radiological Survey REFERENCE COPY Package Page 1 of 3 Attachment 3, Page 1 REFERENCECOPY n
SECTION 7 ATTACHMENT 3 1 PAGE(S) p