ML073330612: Difference between revisions

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Survey Unit Release Record
Survey Unit Release Record Survey Unit Ws) document camtitUte "Specirrl Methods" and the survey design used in the acquisition of survey measuremeas.
    -#              EP-CRT-8         Revision #          Original      Page 1 of 3 Survey Unit Ws)                                      CRT-8
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.
: 1) Embedded Pipe (EP) Survey Unit CRT-8 meets the -tion           of embedded pipe for Phrn Brook Reactor Facility (PBRF).
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.
: 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-ratedinto and @med in accardance with (MW)the Babcock SerJices Incorporated @Sr)/LVS-002, Work Excution Package (WEP) 05-006. Survey instructions described in this document camtitUte "Specirrl Methods" and the survey design used in the acquisition of survey measuremeas.
: 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 #
5 ) Instrument N~ciencydetamhtions 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.
Original Page 1 of 3


FSS Design # EP CRT-8               Revision # Original                  Page 2 of 3 Sutvey Unit: CRT-8 1.0   EGstory/Description 1 .1   The subject pipe system is a 2.5" diameter p e n d o n located on the CllT plate within the Sub Pile Room. The system access point is located on the
FSS Design # EP CRT-8 Sutvey Unit: CRT-8 1.0 EGstory/Description 1.1 The subject pipe system is a 2.5" diameter p e n d o n located on the CllT plate within the Sub Pile Room. The system access point is located on the  
              -34' el. of the Rx building.
-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   FLPCRT-8 was ameyed IAW Prodwe #BSVLVS-002.
1.2 EP CRT-8 mnsists of 2.5" diameter piping that is approximately 3 feet in 2 0 Survey Design Information 2.1 FLP CRT-8 was ameyed IAW Prodwe #BSVLVS-002.
2.2     100% of the piping was m s i b l e for survey. The accessible pipe was surveyed by static meamment at m e foot increments, for a total of 3 m e y measurements.
2.2 100% of the piping was m s i b l e for survey. The accessible pipe was surveyed by static meamment at m e foot increments, for a total of 3 m e y measurements.
The total surf= area h r the piping system is approximately 1,824 cm2 (0.2 m2) for the entire length of (3') of pip'-.
The total surf=
3.0   Survey Unit Measurement Locationdllata 3.1   Pipe interior radiological survey forms are pravided in Attachment 2 of this release record.
area h r the piping system is approximately 1,824 cm2 (0.2 m2) for the entire length of (3') of pip'-.
4.0   Survey Unit T n v e s t i ~ t i o ~ b 4.1   None 5.0   Data Assessment Results 5.1   Data asmment results are provided in the EPIBuried Pipe (BP)S w e y Report provided in Attachment 1.
3.0 Survey Unit Measurement Locationdllata 3.1 Pipe interior radiological survey forms are pravided in Attachment 2 of this release record.
52    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 ofthe:FSSP.
4.0 Survey Unit T n v e s t i ~ t i o ~ b 4.1 None 5.0 Data Assessment Results 5.1 Data asmment results are provided in the EPIBuried Pipe (BP)
When implementing the Unity Rule, provided in Section 3.6.3 of the FSSP,and applying the Nuclide F d o n (NF), provided in TBM5004, the survey unit that is constituted by EP CRT-8 passes FSS.
S w e y Report provided in Attachment 1.
5.4   Background was not subtracted h m the survey measurements and the.
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.
Elevated Measurement Comparison W C ) was not employed for this m e y unit.
When implementing the Unity Rule, provided in Section 3.6.3 of the FSSP, and applying the Nuclide F d o n (NF), provided in TBM5004, the survey unit that is constituted by EP CRT-8 passes FSS.
5.4 Background was not subtracted h m the survey measurements and the.
Elevated Measurement Comparison W C )
was not employed for this m e y unit.
Revision # Original Page 2 of 3


FSS Design # EP CRT-8             Revision # Origmal                     Page 3 of 3 S m y Unit: CRT-8 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.escontributing 10% in aggregate of the total dose fix both mctural scenarios and soils.
FSS Design # EP CRT-8 Revision # Origmal Page 3 of 3 S m y Unit: CRT-8 5.5 Statistid Surnmary Table 6.0 Documentation of evduations pertaining to compliance with the unrestricted use limit of 25 me*
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 0.030 W y r based on the average ofthe a d p s s counts m e a d .
d dose contributions from Embedded Pipe and r;tdionuclid.es contributing 10% in aggregate of the total dose fix both mctural scenarios and soils.
Attachments Attachment 1 -BSX EPBP Sumey Report Atkdumt 2 -Pipe interior Radiological S w e y Form Attachment 3 - DQA Worksheet Attachment 4 -Disc containing RR fbr EP CRT-8& Spreadsheet
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 W y r based on the average of the a d
p s s counts m e a d.
Attachments - BSX EPBP Sumey Report Atkdumt 2 -Pipe interior Radiological S w e y Form - DQA Worksheet -Disc containing RR fbr EP CRT-8 & Spreadsheet  


SECTION 7 ATTACHMENT 1 2 PAGE(S)
SECTION 7 ATTACHMENT 1 2
PAGE(S)  


B S I EPlBP SURVEY REPORT COMMENTS:
B S I EPlBP SURVEY REPORT COMMENTS:
ACTIVITY VALUES NOT BACKGROUND CORRECTED RPElrgb#erlm
ACTIVITY VALUES NOT BACKGROUND CORRECTED RPElrgb#erlm  


SECTION 7 ATTACHMENT 2 z PAGE(S)
SECTION 7 ATTACHMENT 2 z PAGE(S)  


BSETVSPipeCrawler-002 Revision 5 Pipe Interior Radiologkal S m e y Form Time:
BSETVSPipeCrawler-002 Revision 5 Pipe Interior Radiologkal S m e y Form Time:
Pipe ID#:     ( R T - ~PipeDiameter:               a.sN                 Access Po& Area:
Pipe ID#: ( R T - ~
Building:       Ld                Elevation:       -34'                         System:
PipeDiameter:
Type of Survey     Investigation                                     Final Survey     .%+     Other Gross                           C060                                     CS Detector ID#/ Sled ID#       \           1kv5-\ /               h ) ~   SU Detector Cal Date:       1- \ \ - 0 7           Detector Cal Due Date:                 I -\]-oL .
a.sN Access Po& Area:
Instmment:             235U- \                     Instrument ID#:                 199 04")
Building:
Instrument Cal Date:         A     -             InstrumentCalDueDate:                     -I146 From the Daily Pipc Survey Detector Control Form for the Selected Detector Background Value       3   .+ . cpm MDCKtstio               )9 C P       ~
L d Elevation:  
Efficiency Factor for Pipe Diameter     0.0.0'03.3         (fiom detector efficiency determination) mcsbtic      3427              dpd        10 an2 Is the MDCSmicacceptable?       @         No     . (if no, adjwt sample count time and recalculate mCLC) comments:     Po %+   Qbon                                                                PDb 7,     ~ , om&,&A-,
-34' System:
Technician Signature Pipe Interior Radiological Survey Package Page 1of 3 REFERENCE COPY Attachment 3, Page 1
Type of Survey Investigation Final Survey..%+ Other Gross C060 CS Detector ID# / Sled ID#  
\\
1kv5-\\
/
h ) ~ SU Detector Cal Date:
1- \\ \\ - 0 7 Detector Cal Due Date:
I -\\]-oL.
Ins tmment:
235U- \\
Instrument ID #:
199 04")
Instrument Cal Date:
A -
InstrumentCalDueDate:  
- I 1 4 6 From the Daily Pipc Survey Detector Control Form for the Selected Detector Background Value 3.+. cpm MDCKtstio  
) 9 C
P
~
Efficiency Factor for Pipe Diameter 0.0.0'03.3 (fiom detector efficiency determination) m c s b t i c 3 4 2 7 d p d 10 an2 Is the MDCSmic acceptable? @ No  
. (if no, adjwt sample count time and recalculate mCLC) comments: Po %+
Q b o n PD b 7, ~, o m&,&A-,
Technician Signature Pipe Interior Radiological Survey REFERENCE COPY Package Page 1 of 3, Page 1  


n REFERENCECOPY
REFERENCECOPY n  


SECTION 7 ATTACHMENT 3 p
SECTION 7 ATTACHMENT 3 1
1 PAGE(S)}}
PAGE(S) p}}

Latest revision as of 19:46, 14 January 2025

EP-CRT-8, Nasa, Survey Unit Release Record
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)
v • d • e


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 p e n d o n 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 2 0 Survey Design Information 2.1 FLP CRT-8 was ameyed IAW Prodwe #BSVLVS-002.

2.2 100% of the piping was m s i b l e for survey. The accessible pipe was surveyed by static meamment at m e foot increments, for a total of 3 m e y measurements.

The total surf=

area h r 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 T n v e s t i ~ t i o ~ b 4.1 None 5.0 Data Assessment Results 5.1 Data asmment results are provided in the EPIBuried Pipe (BP)

S w e y 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 F d o n (NF), provided in TBM5004, the survey unit that is constituted by EP CRT-8 passes FSS.

5.4 Background was not subtracted h m the survey measurements and the.

Elevated Measurement Comparison W C )

was not employed for this m e y unit.

Revision # Original Page 2 of 3

FSS Design # EP CRT-8 Revision # Origmal Page 3 of 3 S m y Unit: CRT-8 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 W y r based on the average of the a d

p s s counts m e a d.

Attachments - BSX EPBP Sumey Report Atkdumt 2 -Pipe interior Radiological S w e y Form - DQA Worksheet -Disc containing RR fbr EP CRT-8 & Spreadsheet

SECTION 7 ATTACHMENT 1 2

PAGE(S)

B S I 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 S m e y Form Time:

Pipe ID#: ( R T - ~

PipeDiameter:

a.sN Access Po& Area:

Building:

L d Elevation:

-34' System:

Type of Survey Investigation Final Survey..%+ Other Gross C060 CS Detector ID# / Sled ID#

\\

1kv5-\\

/

h ) ~ SU Detector Cal Date:

1- \\ \\ - 0 7 Detector Cal Due Date:

I -\\]-oL.

Ins tmment:

235U- \\

Instrument ID #:

199 04")

Instrument Cal Date:

A -

InstrumentCalDueDate:

- I 1 4 6 From the Daily Pipc Survey Detector Control Form for the Selected Detector Background Value 3.+. cpm MDCKtstio

) 9 C

P

~

Efficiency Factor for Pipe Diameter 0.0.0'03.3 (fiom detector efficiency determination) m c s b t i c 3 4 2 7 d p d 10 an2 Is the MDCSmic acceptable? @ No

. (if no, adjwt sample count time and recalculate mCLC) comments: Po %+

Q b o n PD b 7, ~, o m&,&A-,

Technician Signature Pipe Interior Radiological Survey REFERENCE COPY Package Page 1 of 3, Page 1

REFERENCECOPY n

SECTION 7 ATTACHMENT 3 1

PAGE(S) p

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