ML073330464: Difference between revisions
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{{#Wiki_filter: | {{#Wiki_filter:A Survey Unit Release Record | ||
* 1) Embedded Pipe (EP) Survey Unit IT-1 I meets the definition of embedded pipe fix Plum Brook R&or Facility (PERF). 2) EP IT- | - | ||
: 3) Surveys in EF IT-1 1 were performed using a | EP-IT- 1 1 Revision # Original Page 1 of 3 rr-11 | ||
: 4) Survey Instructions for this survey unit are incorporated into and performed in ~ | * | ||
@SI)/LVS-002, Work Execution Package (WEP) 05-006. Survey instructions described in this document constitute "Special Methods'' | : 1) Embedded Pipe (EP)Survey Unit IT-1 I meets the definition of embedded pipe fix Plum Brook R&or Facility (PERF). | ||
and the survey design used in the acquisition of survey measurements. | : 2) EP IT-21 is et Class I, Gmup 1 survey unit as per the PBRF Final Status S m y Plan (FSSP) atld Technical Basis Document (TBD)46-004. | ||
: 3) Surveys in EF IT-1 1 were performed using a d l a t i o n detector optimized to measure gamma energies representative of Co-60. Sample #EP 3-9 from Survey Request (St)-1 3 was refaend fbr this decision. | |||
FSS/Chamct&ation Engineer FSS De~gn # | : 4) Survey Instructions for this survey unit are incorporated into and performed in ~coordaxlcewith (IAW) the Babmck Services Incorporated @SI)/LVS-002, Work Execution Package (WEP) 05-006. Survey instructions described in this Description document constitute "Special Methods'' and the survey design used in the acquisition of survey measurements. | ||
1.2 EP IT- | 5 ) Instmmrt efficiency determinations are developed in accordance with the BSVLVS-002, WEP 05-006, these determinations are appropriate for the types of radiation involved and the media being surveyed. | ||
#BSflLVS-002. | FSS/Chamct&ation Engineer | ||
2.2 2 00% of the piping wati accessible for survey. The accessible pipe was surveyed by &c measurement at one foot increments, for a | |||
2.3 ThetotalSUffaoe~forthepipingsystemisappro~ately2,919m2 (0. | -FSS De~gn#EPIT-11 Survey Unit: IT-1 1 Revision # Original 1 Page 2 of 3 1.0 HistorylDescriptioa 1.I The subject pipe system is a 4" diameter penetration located adjacent to the CRT plate within the Sub Pile Room. The system access point is | ||
-1 on the -34' el. ofthe Rx building. | |||
1.2 EP IT-11 consists of 4" diameter piping that is approximately 3 feet in length. | |||
Attadmmts Attachment 1 - BSI EPlsP Survey Repoxe Attachment 2 - Pipe Interior Radiolo~ | Survey Design Information 2.1 EP IT-1 1 was surveyed TAW Procedure #BSflLVS-002. | ||
2.2 2 00% of the piping wati accessible for survey. The accessible pipe was surveyed by &c measurement at one foot increments, for a t o t . of 3 SUNey mMStNWllf:~S. | |||
2.3 ThetotalSUffaoe~forthepipingsystemisappro~ately2,919m2 (0.3m2)for the entire length of (3') of piping. | |||
BSI EPBP SURVEY REPORT # | S m y Unit hkitsmm& W o n s D a t a 3.1 Pipe interior mdiological survey bms are provided in Attachment 2 of this relettse record, 4.0 Survey Unit Investigatio&dts 4.1 None 5.0 Data Assessment Results 5.1 Data m m e n t results are provided in the WIBmied Pipe (BPI Survey R e p d provided in Attachment 1. | ||
5.2 All measurement results are less than the Derived Concentration Guideline Level @CGL) for radionuclide specific EP that cmesponds to the 1 d y r dose goal established in Table 3-3 of the FSSP, 5 -3 When implementing the Unity Rule, provided in Section 3.6.3 of the FSSF,and applying the Nuclide Fraction 0, provided in TBDWW4, the survey unit that is constituted by EP IT-11 passes FSS. I 5.4 Background was not mhackd from the survey measurements a d the Elevated Mmumnent Comparison (EMC)was not employed for this survey unit. | |||
FSS Design # EP IT-1I Revision # Original I' Page3 of3 S w e y Unit: IT-11 5,s Statistical Summary Table Number of Measumments > M E 1 Numbr of Measurnmen& Above 50% of DCGt 0 | |||
~ u m b eofi MeesumrnentsA ~ V DCGL B o Mean O.Of 99 Mdan 0.0085 Standad M a t t o n 0.0227 Maxhnum 0.0460 Minimum 0.0051 J 6.0 Documentation of evaluations pertaining to compliance with the mmaicted use limit of25 m m d y r and dose &butions b m Embedded Pipe and radionuclides contributing lo??in aggregate of the W dose fbr both st.ructutaI sceuarios and soils, 6.1 A h e w of the s w e y results has shown that the dose contrihtion fur EP IT-11 to be less than I meadyr, The dose amhbution is estimated to be 0.020 mmlyr based on the average of the actual gross counts measured. | |||
Attadmmts Attachment 1 - BSI EPlsP Survey Repoxe Attachment 2 - Pipe Interior Radiolo~calSurvey Form Attachment 3 - DQA Worksheet Attachent 4 -Disc containing KR fbr BP IT-1 1 & S p m d s k t | |||
SECTION 7 ATTACHMENT 1 2 PAGE(S) | |||
BSI EPBP SURVEY REPORT | |||
# 1MGI L V S l l I01 ACTMPl VALUES NOT BACKGROUND CORRECTED | |||
SECTION 7 ATTACHMENT 2 | SECTION 7 ATTACHMENT 2 | ||
B SULVSPipeCraw Ier-002 Revision 5 Pipe Interior Radiological Survey Fo | |||
B SULVSPipeCraw Ier-002 Revision 5 Pipe Interior Radiological Survey Fo r n ~ | |||
Building: | Date: , ~ ~ - Time: | ||
Elevation: | ~ ~ \lo2- ~ ~ | ||
System : Type of Survey Investigation Characterization Final Survey Other *J Gross ~o6b d Cs ~ | Pipe ID#: 7- T - \ \ Pipe Diameter: | ||
Building: Elevation: System : | |||
Type of Survey Investigation Characterization Final Survey Other *J Gross ~o6b d Cs | |||
@& NO {if no, adjust sample count time and recalculate MDC$tptic) | ~ e t e c t 6 rID#I sled ID# \ ~ ~ L V - - V/ -L \ A * \o\ | ||
Comments: | Detector Cal Date: \ - \ \ 7 Detector Cal Due Date: -\\-08 Instrument: I Y ' 5 0 -\ Instrument ID #: \ P 409'-\ | ||
Instrument Cal Date: \-\)*b> Instrunlent Cal Due Date: \ - \\Hog Fro111the Daily Pipe Survey Detector Control. Form for the Sdected Detector Background Value 3 ,Y cpm MDC&hiiC \0 cpm Etfciency Factor for Pipe Diameter a (from detector efficiency determination) mc~taei~ 3&9? d-p1d 1r j ~ cm2 Is the MDCsblicacceptable? @& NO {if no, adjust sample count time and recalculate MDC$tptic) | |||
Comments: B o d c3 0 \ DO?, | |||
Tecbician Signature Pipe Interior Radiological Survey Attachment 3, Page 1 | |||
SECTION 7 ATTACHMENT 3 I PAGE(S) | SECTION 7 ATTACHMENT 3 I PAGE(S) | ||
DQA Check Sheet Design # EP IT- | |||
X 8. Were * | DQA Check Sheet Design # EP IT-11 Revlsion # Original Survey Unit # EP-IT-11 Prellmlnary Data Review' Answe~ to the following questions should be fully documented In the Survey Unit Release Record yeS No N,A | ||
: 1. Have surveys been performed In 8ccordance with sunrey instructions in the Survey Design? X | |||
: 2. Is the instrumentation MDC for structure ststic meesurements below the DCGLw for Class Iand 2 X survey units, or below 0.5 DCGLw for Class 3 survey units? | |||
: 3. Is the Instrumentation MWC for embeddadlburied piping static measurements balow the DCGLw ? X | |||
: 4. Was the instrumentation MDC for slmcture scan measurements,soil smn measurements, and embeddmuried piping scan measurements below the DCGLW,or. ifnot, was the need for adtiiwral X static measurements or samples addressed in the sumy design? | |||
: 5. Was the instrumentation MDC for volumetric measurements and smesr analysls < 10% DCGLw ? X | |||
: 6. Were the MDCs and assumptions used to develop them appropriate for the instruments and techniques used to perform the survey? | |||
: 7. Were the survey methods used to coled data proper for the types of radiation invdved and for the media being surveyed? | |||
X | |||
: 8. Were *SpecialMethods"for data dlectlon properly applied for the survey unit under reviw? X | |||
: 9. Is the data set comprised of qualitled measurement results collected in accordance with the survey x | |||
design, which accurately reflectsthe radiologid status of the facility? | |||
Gmphical Data Review | |||
: 1. Haa a posting pIot been created? X | |||
: 2. Has a histogram (w other frequency plot) been created? X Page 1 of 1 | |||
SECTION 7 ATTACHMENT 4 1 DISC}} |
Revision as of 01:16, 23 November 2019
ML073330464 | |
Person / Time | |
---|---|
Site: | Plum Brook |
Issue date: | 11/15/2007 |
From: | US National Aeronautics & Space Admin (NASA) |
To: | NRC/RGN-III/DNMS/DB |
References | |
EP-IT-11 | |
Download: ML073330464 (12) | |
Text
A Survey Unit Release Record
-
EP-IT- 1 1 Revision # Original Page 1 of 3 rr-11
- 1) Embedded Pipe (EP)Survey Unit IT-1 I meets the definition of embedded pipe fix Plum Brook R&or Facility (PERF).
- 2) EP IT-21 is et Class I, Gmup 1 survey unit as per the PBRF Final Status S m y Plan (FSSP) atld Technical Basis Document (TBD)46-004.
- 3) Surveys in EF IT-1 1 were performed using a d l a t i o n detector optimized to measure gamma energies representative of Co-60. Sample #EP 3-9 from Survey Request (St)-1 3 was refaend fbr this decision.
- 4) Survey Instructions for this survey unit are incorporated into and performed in ~coordaxlcewith (IAW) the Babmck Services Incorporated @SI)/LVS-002, Work Execution Package (WEP)05-006. Survey instructions described in this Description document constitute "Special Methods and the survey design used in the acquisition of survey measurements.
5 ) Instmmrt efficiency determinations are developed in accordance with the BSVLVS-002, WEP 05-006, these determinations are appropriate for the types of radiation involved and the media being surveyed.
FSS/Chamct&ation Engineer
-FSS De~gn#EPIT-11 Survey Unit: IT-1 1 Revision # Original 1 Page 2 of 3 1.0 HistorylDescriptioa 1.I The subject pipe system is a 4" diameter penetration located adjacent to the CRT plate within the Sub Pile Room. The system access point is
-1 on the -34' el. ofthe Rx building.
1.2 EP IT-11 consists of 4" diameter piping that is approximately 3 feet in length.
Survey Design Information 2.1 EP IT-1 1 was surveyed TAW Procedure #BSflLVS-002.
2.2 2 00% of the piping wati accessible for survey. The accessible pipe was surveyed by &c measurement at one foot increments, for a t o t . of 3 SUNey mMStNWllf:~S.
2.3 ThetotalSUffaoe~forthepipingsystemisappro~ately2,919m2 (0.3m2)for the entire length of (3') of piping.
S m y Unit hkitsmm& W o n s D a t a 3.1 Pipe interior mdiological survey bms are provided in Attachment 2 of this relettse record, 4.0 Survey Unit Investigatio&dts 4.1 None 5.0 Data Assessment Results 5.1 Data m m e n t results are provided in the WIBmied Pipe (BPI Survey R e p d provided in Attachment 1.
5.2 All measurement results are less than the Derived Concentration Guideline Level @CGL) for radionuclide specific EP that cmesponds to the 1 d y r dose goal established in Table 3-3 of the FSSP, 5 -3 When implementing the Unity Rule, provided in Section 3.6.3 of the FSSF,and applying the Nuclide Fraction 0, provided in TBDWW4, the survey unit that is constituted by EP IT-11 passes FSS. I 5.4 Background was not mhackd from the survey measurements a d the Elevated Mmumnent Comparison (EMC)was not employed for this survey unit.
FSS Design # EP IT-1I Revision # Original I' Page3 of3 S w e y Unit: IT-11 5,s Statistical Summary Table Number of Measumments > M E 1 Numbr of Measurnmen& Above 50% of DCGt 0
~ u m b eofi MeesumrnentsA ~ V DCGL B o Mean O.Of 99 Mdan 0.0085 Standad M a t t o n 0.0227 Maxhnum 0.0460 Minimum 0.0051 J 6.0 Documentation of evaluations pertaining to compliance with the mmaicted use limit of25 m m d y r and dose &butions b m Embedded Pipe and radionuclides contributing lo??in aggregate of the W dose fbr both st.ructutaI sceuarios and soils, 6.1 A h e w of the s w e y results has shown that the dose contrihtion fur EP IT-11 to be less than I meadyr, The dose amhbution is estimated to be 0.020 mmlyr based on the average of the actual gross counts measured.
Attadmmts Attachment 1 - BSI EPlsP Survey Repoxe Attachment 2 - Pipe Interior Radiolo~calSurvey Form Attachment 3 - DQA Worksheet Attachent 4 -Disc containing KR fbr BP IT-1 1 & S p m d s k t
SECTION 7 ATTACHMENT 1 2 PAGE(S)
BSI EPBP SURVEY REPORT
- 1MGI L V S l l I01 ACTMPl VALUES NOT BACKGROUND CORRECTED
SECTION 7 ATTACHMENT 2
B SULVSPipeCraw Ier-002 Revision 5 Pipe Interior Radiological Survey Fo r n ~
Date: , ~ ~ - Time:
~ ~ \lo2- ~ ~
Pipe ID#: 7- T - \ \ Pipe Diameter:
Building: Elevation: System :
Type of Survey Investigation Characterization Final Survey Other *J Gross ~o6b d Cs
~ e t e c t 6 rID#I sled ID# \ ~ ~ L V - - V/ -L \ A * \o\
Detector Cal Date: \ - \ \ 7 Detector Cal Due Date: -\\-08 Instrument: I Y ' 5 0 -\ Instrument ID #: \ P 409'-\
Instrument Cal Date: \-\)*b> Instrunlent Cal Due Date: \ - \\Hog Fro111the Daily Pipe Survey Detector Control. Form for the Sdected Detector Background Value 3 ,Y cpm MDC&hiiC \0 cpm Etfciency Factor for Pipe Diameter a (from detector efficiency determination) mc~taei~ 3&9? d-p1d 1r j ~ cm2 Is the MDCsblicacceptable? @& NO {if no, adjust sample count time and recalculate MDC$tptic)
Comments: B o d c3 0 \ DO?,
Tecbician Signature Pipe Interior Radiological Survey Attachment 3, Page 1
SECTION 7 ATTACHMENT 3 I PAGE(S)
DQA Check Sheet Design # EP IT-11 Revlsion # Original Survey Unit # EP-IT-11 Prellmlnary Data Review' Answe~ to the following questions should be fully documented In the Survey Unit Release Record yeS No N,A
- 1. Have surveys been performed In 8ccordance with sunrey instructions in the Survey Design? X
- 2. Is the instrumentation MDC for structure ststic meesurements below the DCGLw for Class Iand 2 X survey units, or below 0.5 DCGLw for Class 3 survey units?
- 3. Is the Instrumentation MWC for embeddadlburied piping static measurements balow the DCGLw ? X
- 4. Was the instrumentation MDC for slmcture scan measurements,soil smn measurements, and embeddmuried piping scan measurements below the DCGLW,or. ifnot, was the need for adtiiwral X static measurements or samples addressed in the sumy design?
- 5. Was the instrumentation MDC for volumetric measurements and smesr analysls < 10% DCGLw ? X
- 6. Were the MDCs and assumptions used to develop them appropriate for the instruments and techniques used to perform the survey?
- 7. Were the survey methods used to coled data proper for the types of radiation invdved and for the media being surveyed?
X
- 8. Were *SpecialMethods"for data dlectlon properly applied for the survey unit under reviw? X
- 9. Is the data set comprised of qualitled measurement results collected in accordance with the survey x
design, which accurately reflectsthe radiologid status of the facility?
Gmphical Data Review
- 1. Haa a posting pIot been created? X
- 2. Has a histogram (w other frequency plot) been created? X Page 1 of 1
SECTION 7 ATTACHMENT 4 1 DISC