ML081330353
| ML081330353 | |
| Person / Time | |
|---|---|
| Site: | Plum Brook |
| Issue date: | 05/02/2008 |
| From: | Case R, Wood G US National Aeronautics & Space Admin (NASA), John H. Glenn Research Ctr at Lewis Field |
| To: | NRC/RGN-III |
| References | |
| EP-PPH 109 | |
| Download: ML081330353 (73) | |
Text
{{#Wiki_filter:* Survey Unit Release Record
- Design # EP-PPH 109 Revision # Original Page 1 of 4 Survey Unit #(s) PPH 109
- 1) Portions of Embedded Pipe (EP) Survey Unit PPH 109 that remain embedded in the building foundation walls meet the definition of embedded pipe for Plum Brook Reactor Facility (PBRF). The portion of piping which transits in soil under and between the buildings does not meet the criteria for embedded piping. Upon demonstration of compliance with the release criteria (Sect. 5.2) , the complete piping system will be grouted, including the portions embedded in the building structure that will remain embedded for any future reuse and those portions in the ground that can be released for unrestricted use.
- 2) EP PPH 109 is a Class 1, Group 1 survey unit as per the PBRF Final Status Survey Plan (FSSP) and Technical Basis Document (TBD)-06-004.
- 3) Multiple core bores were performed to remove sections of this pipe system to facilitate access for remediation and survey. Underlying soils were exposed by this activity. Isotopic analysis of soil samples taken after the completion of these activities indicate residual radioactivity at concentrations well below the release Description criteria.
- 4) Surveys in.EP PPH 109 were performed using a scintillation detector optimized to measure gamma energies representative of Co60
- Sample #EP 3-7 from Survey Request (SR)-13 was referenced for this decision.
- 5) Survey Instructions for this survey unit are incorporated into and performed in accordance with (IAW) the Babcock Services Incorporated (BS I)/LVS-002, Work Execution Package (WEP) 05-006. Survey instructions described in this document constitute "Special Methods" and the survey design used in the acquisition of survey measurements.
- 6) Instrument efficiency determinations are developed in accordance with the BSIILVS-002, WEP 05-006, these determinations are appropriate for the types of radiation involved and the media being surveyed.
Approval Signatures Date: FSS/Characterization Engineer
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FSS/Characterization Manager A.Cas';/V~ Form CS-09/1 Rev 0
Revision # Original Page 2 of 4 Survey Unit: PPH 109 1.0 HistoryfDescription 1.1 The subject pipe is a 4, 6 and 8" drain line from PPH Room 1, PPH Room 2, PPH Room 3, PPH Room 4, and PPH Room 8 to the sump located in PPH Room 8. 1.2 EP PPH 109 consists of 4, 6 and 8" diameter piping that is approximately 209 feet in length. 2.0 Survey Design Information 2.1 EP PPH 109 was surveyed lAW Procedure #BSIILVS-002. 2.2 100% of the 4" pipe was accessible for survey. The accessible 4" pipe was surveyed by static measurement at one foot increments, for a total of 142 survey measurements. 2.3 Surface area for the 4" piping is 973 cm 2 for each foot of piping, 2 corresponding to a total 4" piping surface area of 138166 cm 2 (13.9 m ) for the entire length of (approximately 142') of 4" piping. 2.4 100% of the 6" pipe was accessible for survey. The accessible 6" pipe was surveyed by static measurement at one foot increments, for a total of 47 survey measurements. 2.5 Surface area for the 6" piping is 1,459 cm2 for each foot of piping, corresponding to a total 6" piping surface area of 68573 cm 2 (6.8 m2) for the entire length of (approximately 47') of 6" piping. 2.6 100% of the 8" pipe was accessible for survey. The accessible 8" pipe was surveyed by static measurement at one foot increments, for a total of 20 survey measurements. 2.7 Surface area for the 8" piping is 1,946 cm 2 for each foot of piping, 2 2 corresponding to a total 8" piping surface area of 38920 cm (3.9 m ) for the entire length of (approximately 20') of 8" piping. 2 2.8 The surface area ofPPH 109 is 24.6 m . 3.0 Survey Unit Measurement LocationsfData 3.1 Pipe interior radiological survey forms are provided in Attachment 2 of this release record. 3.2 All floor drains, risers and cOlmecting piping to the main collection headers were removed by core bore during the remediation efforts with the exception of FD 8-1. Graphical presentation of these excavations in included in Attachment 3. 4.0 Survey Unit InvestigationslResults 4.1 None
FSS Design # EP PPH 109
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I Revision # Original -I Page 3 of 4 Survey Unit: PPH 109 5.0 Data Assessment Results 5.1 Data assessment results are provided in the EP/Buried Pipe (BP) Survey Reports provided in Attachment I. 5.2 This survey unit was assessed as a building re-use scenario with all activity derived dose as a 100% C0 60 nuclide distribution. This is the most conservative DCGL for the facility (II ,000 dpm/I 00cm 2). 5.3 Four measurements observed in EP PPH 109 exceeded the Unity Rule as provided in Section 3.6.3 of the FSSP. Elevated Measurement Comparisons (EMC) and Elevated Measurement Tests were performed. EMC Unity for this survey unit is 0.130, EMT Unity is 0.550. The survey unit that is constituted by EP PPH 109 passes FSS. 5.4 The elevated measurements discussed in 5.3 above occurred in different rooms of the Primary Pump House. Additionally, PPH Room 4 may constitute more than one survey unit for structural survey unit dispositions. Individual data assessments were performed for each discreet section of piping to assist with future FSS efforts in the PPH. A composite assessment of all the piping bounded by EP PPH 109 was also performed. This composite assessment is reported in Section 5.7, the individual assessments may be reviewed in Attachment I. 5.5 DCGL's for the building reuse scenario are used to demonstrate compliance with the release criterion for this release record. The DCGL's for embedded pipe are not applied. 5.6 Background was not subtracted from the survey measurements. 5.7 Statistical Sununary Table Statistical Parameter Total Number of Survey Measurements 209 Number of Measurements >MDC 207 Number of Measurements Above 50% ofDCGL 100 Number of Measurements Above DCGL 4 Mean 0.502 Median 0.479 Standard Deviation 0.209 Maximum 1.437 Minimum 0.144
FSS Design # EP PPH 109
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I Revision # Original l Page 4 of 4 Survey Unit: PPH 109 6.0 Docwnentation of evaluations pertaining to compliance with the unrestricted use limit of25 mrem/yr and dose contributions from Embedded Pipe and radionuclides contributing 10% in aggregate of the total dose for both structural scenarios and soils. 6.1 A review of the survey results has shown that the dose contribution for EP PPH 109 to be less than 25 mrern/yr. The dose contribution is estimated to be 12.6 rnrern/yr based on the average of the actual gross cOlmts measured. 7.0 Attachments Attachment 1 - BSI EPIBP Survey Report Attachment 2 - Pipe Interior Radiological Survey Form Attachment 3 - Soil Sample Analysis Attachment 4 - DQA Worksheet Attachment 5 - EP PPH 109 Spreadsheet Disc
- SECTION 7 ATTACHMENT 1 37 PAGES
*
- IkilJJl* BSI EP/BP SURVEY REPORT Pipe ID PPH 109 Survey Location PRIMARY PUMP HOUSE Survey Date See Survey Sheets 2350-1 # 189094 / 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4") 6"r 8" Detector Efficiency See Survey Sheets DCGL (dpmJ100cm2l 1.10E+04 Pipe A1ea Incorporated by Delector Efficiency lin cm2l See Survey Sheets Pipe Area Incorporated by 5U1vev Dala fm' 24.6 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpmJ100cm2) See Survey Sheets Survey Measurement Results Total Number of Survey Measurements 209 Number of Measurements >MDC 207 Number of Measurements Above 50% DCGL 100 Number of Measurements Above DCGL 4 Mean 0.502 Median 0.479 Standard Deviation 0.209 Maximum 1.437 Minimum 0.144 PHELPS Survey Technician(s)
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Survey Unit Classification I 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-50 Area Factor/EMC Used Yes Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED.
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D..~(m'l 19 Field BKG (epml See Survey Sheets Routine Survey X Field MDCRlel>fT\1 See Survey Sheets QA Survey Nominal MDe I~OU m2/ 2366 Survey Measurement Results Total Number of Survey Measurements 20 Number of Measurements >MDC 20 Number of Measurements Above 50% DCGL 10 Number of Measurements Above DCGL 1 Mean 0537 Median 0503 Standard Deviation 0258 Maximum 1389 Minimum 0240 PHELPS Survey Technician(s) Survey Unit ClasSification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-GO Area Factor/EMC Used Yes Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED RP Engineer I Date
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1 23 23 58,974 6,061 0551 0.551 2 20 20 51,282 5,271 0479 0.479 3 18 18 46,154 4,743 0.431 0.431 4 15 15 38,462 3,953 0.359 0359 5 30 30 76,923 7,906 0.719 0719 7 18 18 46,154 4,743 0.431 0.431 8 30 30 76,923 7,906 0719 0719 9 25 25 64,103 6,588 0,599 0.599 10 12 12 30.769 3,162 0.287 0.287 11 17 17 43,590 4480 0407 0.407 12 12 12 30,769 3,162 0.287 0.287 13 13 13 33,333 3,426 0.311 0.311 14 10 10 25,641 2.635 0240 0240 15 28 28 71,795 7,379 0.671 0.671 16 23 23 58.974 6,061 0.551 0.551 17 22 22 56,410 5,798 0.527 0.527 18 15 15 38.462 3.953 0359 0.359 19 25 25 64,103 6,588 0.599 0.599 20 34 34 87,179 8,960 0815 0.815 21 58 58 148 718 15.284 1389 0.035 0.026 3.750 0.035 0.518 MEAN 0.537 EMC Unity EMT Unity MEDIAN 0503 STD DEV 0.258 MAX 1.389 MIN 0.240
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- BSt EP/B su EY REPORT Pipe 10 PPH 109 Survey Location PPH RM 2. CO-2 Survey Date s.... survl!)l ShelMS 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 000039 DC GL (dpmNlXIcm2J 1~ 10E+04 ""'. AI.a lncmT>c>r"od by Dolo""", E1lIolot'lC'/ fin cm2' 973 P\pe Ant" IncorpOl"at"d l:t)' SUTVtfY Oat,lm'\
2.1 Field BKG I,pml See Survey Sheets Routine Survey X Field MDCR (epm) See Survey Sheets QA Survey Nominal MDC (~IJO<.m21 2.366 Survey Measurement Results Total Number of Survey Measurements 22 Number of Measurements >MDC 21 Number of Measurements Above 50/0 DCGL 7 Number of Measurements Above DCGL 1 Mean 0455 Median 0.359 Standard Deviation 0.282 Maximum 1437 Minimum 0144 PHELPS Survey Tecflnician(s) Survey unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 I Measured Nuclide Co-50 Area Factor/EMC Used Yes Pas /Fail FSS Pass MREMfYR Contribution <25 COMMENTS ACTIVITY VALUES NOT BACKGROUND CORRE TED
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1 14 14 35,897 3,689 0335 0.335 2 13 13 33,333 3,426 0.311 0.311 3 15 15 38,462 3,953 0359 0.359 4 14 14 35,897 3,689 0.335 0.335 5 10 10 25,641 2,635 0.240 0.240 7 15 15 38,462 3,953 0359 0359 8 18 18 46,154 4,743 OA31 0.431 9 21 21 53,846 5,534 0.503 0.503 10 6 6 15,385 1,581 0.144 0144 11 12 12 30,769 3,162 0.287 0.287 12 14 14 35,897 3,689 0335 0.335 13 12 12 30,769 3,162 0287 0.287 14 28 28 71,795 7,379 0.671 0.671 15 16 16 41,026 4,216 0.383 0.383 16 9 9 23,077 2,372 0.216 0.216 17 22 22 56,410 5,798 0.527 0.527 18 12 12 30,769 3,162 0.287 0.287 19 17 17 43,590 4,480 OA07 0,407 20 26 26 66,667 6,852 0.623 0623 21 25 25 64,103 6,588 0599 0.599 22 39 39 100,000 10,277 0.934 0.934 23 60 60 153,846 15,812 1,437 0.036 0030 2,676 0.036 0.408 MEAN 0,455 EMC Unity EMT Unity MEDIAN 0.359 STD DEV 0.282 MAX 1,437 MIN 0144
- IiJDJ!t BSI EP/BP SURVEY REPORT Pipe ID PPH 109 Survey Location PPH RM 3, CO 3-1 Survey Date See Survey Sheets 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpmJl00cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency (in cm2) 973 Pipe Area Incorporated by Survey Data m 2 11 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpmJl00cml) 2,366 Survey Measurement Results Total Number of Survey Measurements 11 Number of Measurements >MDC 11 Number of Measurements Above 50% DCGL 10 Number of Measurements Above DCGL 2 Mean 0.743 Median 0.623 Standard Deviation 0.292 Maximum 1.389 Minimum 0.335 PHELPS Survey Technician(s)
Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used Yes Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED RP Engineer I Date
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1 23 23 58,974 6,061 0.551 0.551 2 26 26 66,667 6,852 0.623 0.623 3 14 14 35,897 3,689 0.335 0.335 4 25 25 64,103 6,588 0.599 0.599 5 22 22 56,410 5,798 0.527 0.527 7 58 58 148,718 15,284 1.389 0.035 0.019 8 42 42 107,692 11,068 1.006 0.025 9 36 36 92,308 9,487 0.862 0.862 10 35 35 89,744 9,223 0.838 0.838 11 23 23 58,974 6,061 0.551 0.551 12 37 37 94,872 9,750 0886 0.886 4,885 0.060 0.660 MEAN 0.743 EMC Unity EMT Unity MEDIAN 0.623 STD DEV 0.292 MAX 1.389 MIN 0.335
- Ikil:o!it BSI EP/BP SURVEY REPORT Pipe 10 PPH 109 Survey Location PPH RM 3, CO 3-2 4 INCH Survey Date See Survey Sheets 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpm/10Ocm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency lin cm2) 973 Pipe Area Incorporated bV Survey Data Im'l 1.3 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpm/10Ocm2) 2,366 Survey Measurement Results Total Number of Survey Measurements 13 Number of Measurements >MDC 12 Number of Measurements Above 50% DCGL 5 Number of Measurements Above DCGL 0 Mean 0.459 Median 0.455 Standard Deviation 0.190 Maximum 0.910 Minimum 0.144 PHELPS Survey Technician(s)
Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. RP Engineer I Date
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- E 1 12 12 30,769 3,162 0287 2 19 19 48,718 5,007 0455 3 6 6 15,385 1,581 0.144 4 26 26 66,667 6,852 0.623 5 38 38 97,436 10,014 0.910 6 16 16 41,026 4,216 0.383 7 13 13 33,333 3,426 0.311 8 17 17 43,590 4,480 0407 9 14 14 35,897 3,689 0.335 10 22 22 56,410 5,798 0.527 11 23 23 58,974 6,061 0.551 12 24 24 61,538 6,325 0.575 13 19 19 48,718 5,007 0455 MEAN 0459 MEDIAN 0.455 STD DEV 0.190 MAX 0910 MIN 0.144
*
- Ii1K:Ili BSI EP/BP SURVEY REPORT Pipe ID PPH 109 Survey Location PPH RM 3, CO 3-2 6 INCH Survey Date See Survey Sheets 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 6" Detector Efficiency 0.00031 DCGL (dpm/100cITl2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency (in cm2) 1459 Pipe Area Incorporated by Survey Data /ITl'1 3.2 Field BKG (CPlTl) See Survey Sheets Routine Survey X Field MDCR(cpm) See Survey Sheets QA Survey Nominal MDC (dpm/100clTl2) 1,985 Survey Measurement Results Total Number of Survey Measurements 22 Number of Measurements >MDC 22 Number of Measurements Above 50% DCGL 20 Number of Measurements Above DCGL 0 Mean 0.645 Median 0.703 Standard Deviation 0.147 Maximum 0.804 Minimum 0201 PHELPS Survey Technician(s)
Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. A~ j, -, ~() /.5- Z iJ g
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ACTIVITY WORKSHEET CO 3-2 61N
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14 36 36 116,129 7,959 0.724 15 30 30 96,774 6,633 0.603 16 10 10 32,258 2,211 0.201 17 29 29 93,548 6,412 0.583 18 20 20 64,516 4,422 0.402 19 36 36 116,129 7,959 0.724 20 32 32 103,226 7,075 0.643 21 36 36 116,129 7,959 0.724 22 37 37 119,355 8,181 0.744 23 32 32 103,226 7,075 0.643 24 25 25 80,645 5,527 0.502 25 27 27 87,097 5,970 0.543 26 35 35 112,903 7,738 0.703 27 40 40 129,032 8,844 0.804 28 38 38 122,581 8,402 0.764 29 38 38 122,581 8,402 0.764 30 30 30 96,774 6,633 0.603 31 39 39 125,806 8,623 0.784 32 37 37 119,355 8,181 0.744 33 35 35 112,903 7,738 0.703 34 25 25 80,645 5,527 0.502 35 39 39 125,806 8,623 0.784 MEAN 0645 EMC Unity EMT Unity MEDIAN 0.703 STD DEV 0.147 MAX 0.804 MIN 0.201
*
- Iktx:tJtt BSI EP/BP SURVEY REPORT PipelD PPH 109 Survey Location PPH RM 4, CO 4-1 4 INCH Surv~y Date See Survey Sheets 2350-1 # 189094 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpm/l00cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency (in cm2) 973 Pipe Area Incorporated by Survev Data 1m')
0.8 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpm/l00cm21 2,366 Survey Measurement Results Total Number of Survey Measurements 8 Number of Measurements >MDC 8 Number of Measurements Above 50% DCGL 6 Number of Measurements Above DCGL 0 Mean 0.530 Median 0.527 Standard Deviation 0.102 Maximum 0.695 Minimum 0.359 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. RP Engineer I Date dJ--Jrd/ / J-Z-j) g-
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1 19 19 48,718 5.007 0.455 2 23 23 58,974 6,061 0.551 3 21 21 53,846 5,534 0.503 4 15 15 38,462 3,953 0.359 5 29 29 74,359 7,642 0.695 6 23 23 58,974 6,061 0.551 7 21 21 53,846 5,534 0.503 8 26 26 66,667 6,852 0.623 MEAN 0.530 MEDIAN 0.527 STD DEV 0.102 MAX 0.695 MIN 0.359
* * !ktlJJ!.t BSI EP/BP SURVEY REPORT Pipe ID PPH 109 Survey Location PPH RM 4, CO 4-1 6 INCH Survey Date See Survey Sheets 2350-1 # 189094 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 6" Detector Efficiency 000031 DCGL (dpmll00cm2) 110E+04 Pipe Area IncorpofBled bV Defector Efficiency fin cm2) 1459 Pipe Area Incorporated by Survey Data Im'l 1.6 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpmJ100cm') 1,985 Survey Measurement Results Total Number of Survey Measurements 11 Number of Measurements >MDC 11 Number of Measurements Above 50% DCGL 4 Number of Measurements Above DCGL 0 Mean 0.448 Median 0.442 Standard Deviation 0.115 Maximum 0643 Minimum 0.221 PHELPS Survey Technician(s)
Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS ACTIVITY VALUES NOT BACKGROUND CORRECTED
/1 RP Engineer I Date iIJ~JLf/ 3~2 - D~
ACTIVITY WORKSHEET CO 4-1 61N
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- E 9 27 27 87,097 5,970 0.543 10 22 22 70,968 4,864 0.442 11 24 24 77,419 5,306 0.482 12 21 21 67,742 4,643 0.422 13 18 18 58,065 3,980 0.362 14 17 17 54,839 3,759 0.342 15 21 21 67,742 4,643 0422 16 27 27 87,097 5,970 0543 17 32 32 103,226 7,075 0.643 18 25 25 80,645 5,527 0502 19 11 11 35,484 2,432 0.221 MEAN 0448 EMC Unity EMT Unity MEDIAN 0.442 STD DEV 0.115 MAX 0.643 MIN 0.221
- lkiJct1J BSI EP/BP SURVEY REPORT Pipe 10 PPH 109 Survey Location PPH RM 4, CO 4-2 Survey Date See Survey Sheets 2350-1 # 189094 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpmll00cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficteocy (In cm2) 973 Pipe Area Incorporated by Survey Data 1m'1 1.8 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR(cpm) See Survey Sheets QA Survey Nominal MDC Idpmll00cm2) 2,366 Survey Measurement Results Total Number of Survey Measurements 18 Number of Measurements >MDC 18 Number of Measurements Above 50% DCGL 10 Number of Measurements Above DCGL 0 Mean 0.544 Median 0527 Standard Deviation 0.182 Maximum 0.982 Minimum 0.311 PHELPS Survey Technician(s)
Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. RP Engineer I Date
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1 17 17 43,590 4,480 0.407 2 15 15 38,462 3,953 0.359 3 22 22 56,410 5,798 0.527 4 14 14 35,897 3,689 0335 5 13 13 33,333 3,426 0.311 6 41 41 105,128 10,805 0.982 8 30 30 76,923 7,906 0.719 9 26 26 66,667 6,852 0.623 10 20 20 51,282 5,271 0.479 11 30 30 76,923 7,906 0.719 12 23 23 58,974 6,061 0.551 13 22 22 56,410 5,798 0.527 14 24 24 61,538 6,325 0.575 15 22 22 56,410 5,798 0.527 16 36 36 92,308 9,487 0.862 17 20 20 51,282 5,271 0479 18 15 15 38,462 3,953 0.359 19 19 19 48,718 5,007 0455 MEAN 0.544 MEDIAN 0.527 STD DEV 0182 MAX 0.982 MIN 0.311
*
- 1ltl1Jtt BSI EP/BP SURVEY REPORT Pipe ID PPH 109 Survey Location PPH RM 4, CO 4-3 4 INCH Survey Date See Survey Sheets 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpm/l00cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency (in cm2) 973 Pipe Area Inc orporated by Survev Data Im'l 0.8 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpml See Survey Sheets QA Survey Nominal MDC (dpm/l00cm2) 2,366 Survey Measurement Results Total Number of Survey Measurements 8 Number of Measurements >MDC 8 Number of Measurements Above 50% DCGL 3 Number of Measurements Above DCGL 0 Mean 0.467 Median 0.467 Standard Deviation 0.129 Maximum 0.671 Minimum 0.287 PHELPS Survey Technician(s)
Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. RP Engineer I Date
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- E 1 20 20 51,282 5,271 0.479 2 14 14 35,897 3,689 0.335 3 12 12 30,769 3,162 0.287 4 24 24 61,538 6,325 0.575 5 16 16 41,026 4,216 0.383 6 28 28 71,795 7,379 0.671 7 19 19 48,718 5,007 0.455 8 23 23 58,974 6,061 0.551 MEAN 0.467 MEDIAN 0.467 STD DEV 0.129 MAX 0.671 MIN 0.287
*
- Ii1DJtJ BSI EP/BP SURVEY REPORT PipelD PPH 109 Survey Location PPH RM 4, CO 4-3 6 INCH Survey Date See Survey SheelS 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 6" Detector Efficiency 0.00031 DCGL (dpm/100cm2) 1.10E+04 Pipe Area Incorporated by Detector EffK:iency (in cm2) 1459 Pipe Area Incorporated by Survev Data Im'l 2.0 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR(cpm) See Survey Sheets QA Survey Nominal MDC (dpm/100cm2) 1,985 Survey Measurement Results Total Number of Survey Measurements 14 Number of Measurements >MDC 14 Number of Measurements Above 50% DCGL 1 Number of Measurements Above DCGL 0 Mean 0.343 Median 0.301 Standard Deviation 0.113 Maximum 0.603 Minimum 0.181 PHELPS Survey Technician(s)
Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREM/YR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. RP Engineer I Date ,;§d;~LJ
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9 19 19 61,290 4,201 0.382 10 23 23 74,194 5,085 0.462 11 15 15 48,387 3,316 0.301 12 9 9 29,032 1,990 0.181 13 13 13 41,935 2,874 0.261 14 19 19 61,290 4,201 0382 15 13 13 41,935 2,874 0.261 16 24 24 77,419 5,306 0.482 17 14 14 45,161 3,095 0.281 18 13 13 41,935 2,874 0.261 19 15 15 48,387 3,316 0.301 20 19 19 61,290 4,201 0.382 21 30 30 96,774 6,633 0.603 22 13 13 41,935 2,874 0.261 MEAN 0.343 EMC Unity EMT Unity MEDIAN 0.301 STD DEV 0.113 MAX 0.603 MIN 0.181
*
- Ii1JcIJtj BSI EP/BP SURVEY REPORT Pipe 10 PPH 109 Survey Location PPH RM 4, CO 4-3 8 INCH Survey Date See Survey Sheets 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 8" Detector Efficiency 0.00029 DCGL Idpm/100cm21 1.10E+04 Pipe Area Incorporated by Detector Efficiency (in cm2) 1946 Pipe Area Incorporated by Survev Data m 2 3.9 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCRCcpmJ See Survey Sheets QA Survey Nominal MDC (dpmI100cm2) 1,591 Survey Measurement Results Total Number of Survey Measurements 20 Number of Measurements >MDC 20 Number of Measurements Above 50% DCGL 5 Number of Measurements Above DCGL 0 Mean 0.430 Median 0.362 Standard Deviation 0.199 Maximum 0.902 Minimum 0.193 PHELPS Survey Technician(s)
Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. RP Engineer I Date
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...:::l III gcpm ncpm (total dpm) (dpm/100cm2)
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23 24 24 82,759 4,253 0387 24 22 22 75,862 3,898 0.354 25 21 21 72,414 3,721 0.338 26 56 56 193,103 9,923 0.902 27 44 44 151,724 7,797 0.709 28 27 27 93,103 4,784 0.435 29 27 27 93,103 4,784 0.435 30 55 55 189,655 9,746 0.886 31 35 35 120,690 6,202 0.564 32 35 35 120,690 6,202 0.564 33 21 21 72,414 3,721 0338 34 24 24 82,759 4,253 0.387 35 18 18 62,069 3,190 0290 36 16 16 55,172 2,835 0258 37 20 20 68,966 3,544 0.322 38 23 23 79,310 4,076 0.371 39 20 20 68,966 3,544 0.322 40 12 12 41,379 2,126 0.193 41 17 17 58,621 3,012 0274 42 17 17 58,621 3,012 0274 MEAN 0.430 EMC Unity EMT Unity MEDIAN 0.362 STD DEV 0.199 MAX 0.902 MIN 0.193
*
- IkilJJ!* BSI EP/BP SURVEY REPORT Pipe 10 PPH 109 Survey Location PPH RM 8, CO 8-1 Survey Date See Survey Sheets 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpm/100cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency (in cm2) 973 Pipe Area Incorporated by Survev Data Im'l 0.6 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpml100cm2) 2,366 Survey Measurement Results Total Number of Survey Measurements 6 Number of Measurements >MDC 6 Number of Measurements Above 50% DCGL 3 Number of Measurements Above DCGL 0 Mean 0.471 Median 0.503 Standard Deviation 0.139 Maximum 0.647 Minimum 0.264 PHELPS Survey Technician(s)
Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED.
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1 22 22 56,410 5,798 0.527 2 23 23 58,974 6,061 0.551 3 27 27 69,231 7,115 0.647 4 20 20 51,282 5,271 0.479 5 11 11 28,205 2,899 0264 6 15 15 38,462 3,953 0.359 MEAN 0.471 MEDIAN 0.503 STD DEV 0.139 MAX 0.647 MIN 0.264
*
- llJDJ.t BSI EP/BP SURVEY REPORT Pipe 10 PPH 109 Survey Location PPH RM 8, CO 8-2 Survey Date See Survey Sheets 2350-1 # 203438 Survey Time See SUNey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpm/l00cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency fin cm2) 973 Pipe Area Incorporated by Survey Data 1m'. 0.5 Field BKG (cpm) See SUNey Sheets Routine SUNey X Field MDCR (cpm) See SUNey Sheets QA SUNey Nominal MOC (dpm/100cm2) 2,366 SUNey Measurement Results Total Number of SUNey Measurements 5 Number of Measurements >MDC 5 Number of Measurements Above 50% DCGL 0 Number of Measurements Above DCGL 0 Mean 0.369 Median 0.383 Standard Deviation 0.047 Maximum 0.431 Minimum 0.311 PHELPS SUNey Technician(s)
SUNey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED RP Engineer I Date A[w /d~ Z -D g-
ACTIVITY WORKSHEET CO 8-2
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1 16 16 41,026 4,216 0.383 2 13 13 33,333 3,426 0.311 3 16 16 41,026 4,216 0383 4 14 14 35,897 3.689 0.335 5 18 18 46,154 4,743 0.431 MEAN 0.369 MEDIAN 0.383 STD DEV 0.047 MAX 0.431 MIN 0.311
* * !ktl:tJtt BSI EP/BP SURVEY REPORT Pipe 10 PPH 109 Survey Location PPH RM 8, CO 8-3 Survey Date See Survey SheelS 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpm/l00cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency (in cm2) 973 Pipe Area Incorporated by Survey Data 1m',
2.4 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpm/l00cm2) 2,366 Survey Measurement Results Total Number of Survey Measurements 25 Number of Measurements >MDC 25 Number of Measurements Above 50% DCGL 13 Number of Measurements Above DCGL 0 Mean 0.485 Median 0.503 Standard Deviation 0.154 Maximum 0.838 Minimum 0240 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED RP Engineer I Date # 4J7z,J// ~- Z- -D r
ACTIVITY WORKSHEET CO 8-3
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*
- Ik1JctIt BSI EP/BP SURVEY REPORT Pipe ID PPH 109 Survey Location PPH RM 8, FD 8-1 Survey Date See Survey Sheets 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpm/l00cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency (in cm2) 973 Pipe Area Incorporated by Survev Data I m'l 0.6 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC Idpm/l00cm2) 2,366 Survey Measurement Results Total Number of Survey lVIeasurements 6 Number of Measurements >MDC 6 Number of Measurements Above 50% DCGL 3 Number of Measurements Above DCGL 0 Mean 0.479 Median 0.455 Standard Deviation 0.160 Maximum 0.719 Minimum 0.287 PHELPS Survey Technician(s)
Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. RP Engineer I Date 4A/J/~-2 -V <f
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- SECTION?
ATTACHMENT 2 30 PAGES
- Pipe Interior Radiological Survey Form
- BSIILVSPipeCrawler-002 Revision 5 Date: 3-()' O~ Time: 1310 Pipe ID#: PPH Co-of Pipe Diameter: )( (~
Access Point Area: pro /2fY1 ( Building: pPR Elevation: D System: ----'f-lQ...L- _ Type of Survey Investigation Characterization _ _ Final Survey 2<l Other v Gross Co60 ~ Cs _ _ Detector ID# / Sled ID# 1- lJ 5~{ / _ _~!~O~/ _ Detector Cal Date: / . .JS* 08' . Detector Cal Due Date: (. J. S". oq Instrument: ~~",-,----"s"-->o5oL-O",--------,----1 Instrument ID #: d 03 f-j37' Instrument Cal Date: / 0 ~ Ito 0 7 Instrument Cal Due Date: . 10 ell' o? From the Daily Pipe Survey Detector Control Form for the Selected Detector Background Value 3 cpm MDCRstatic q cpm Efficiency Factor for Pipe Diameter ----""-~-=-=-=-!....-_ (from detector efficiency determination) 2 MDCstatic "2. 3 '" It' em (if no, adjust sample count time and recalculate tvIDCR.tatic) Technician Signature Pipe Interior Radiological Survey Position Feet into Pipe Count Time Gross Net I 2 Gross Counts dpm/lOOcm
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- Pipe Interior Radiological Survey Form (Continuation Form)
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- BSVLVSPipeCrawler-002 Revision 5 Date: 3 -(~- 0 g If Pipe ID#: ~: If CO~.':2. Pipe Diameter: J-{_
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