sc goe - digital library/67531/metadc734764/... · engineering change notice sdddd functional...

ENGINEERING CHANGE NOTICE pule 1 of a

2. ECN Category (mark one)

Supplemental Direct Revision Change ECN Tempow Standby Supersedure CanceWoid

662305 ........................ . . .... .. . . . . ._ h l . ECN

3. Originah‘s Name, Organization, WIN,

BL Philipp, COGEMA, L6-37, 376-0468

4. USQ Required?

[x] Yes [ 1 No

and Telephone No.

[I 1x1 6. Project TitleMo.lWork Order No. 7. Bldg./Sys./Fac. No. 0 Cold Vacuum Ihying Facility CVDF/142K

[]

0 SNF4451 Rev 2

10. Related ECN No(s). [I

[] 9. Document N u m b Changed by this ECN

PYA (iI&S sheet no. snd rev.)

5 . Date

September 1,2000 8. Approval Designator

SNO

1 1. Related PO No.

nla

to Orieinal condi- 128. Modificstion Work 12b. Work Package 12c. Modification Work Complete 12d. Restor(

[I Yes (fill out Blk. d a Ida nla No. tion pmp. or standby ECN only)

Ilb)

Ilc, Ild) Signature & Date Signature &Date [XINO (NADks. l lb, Design Authority/Cog. Engineer Design Authority/Cog. Engineer

13a. Description of Change 13b. DesignBaselinehument? p] Yes [ I No

sc goe USQ+,CV p-00 - fS70- ?/r/oo General: 4/r/o(:

Added Table and new sub-section to each sensor for calibration requirements. Added Table and new sub-section to each sensor for Measurement and Test Equipment. Added new sections for safety significant W A C sensors. Added Table for effects on sensor calibration changes for out-of-range temperature excursions.

b d all *&4wa4 h% ~ ~ ~ ~ ~ ~ q ~ ~ ; p Format and editorial changes through out. 5/&

1s V J ~ ~ ~ J ~ ~ ~ Q . $ L P 8 Flow Switch

Modified text and calculation ofHVAC flow switch (originally FS-8*52) to account for design changes with new equipment and new sensor number E - 8 * 5 2 and FIS-832.

14a. Justification (mark one) Criteria Change 0 Design Improvement [XI

Environmental 0

As-Found 0 Facilitate Const U Const. Error/Omission Design Emor/Omission 0

14b. Justification Details

This Setpoint revision adds information on calibration and measurement equipment requirements needed to support the results. and N ~ ~ L V C ~ Q ‘1 &&&$ do +ha

Design Verification methcds are by independent review in accordance with EN 6-010-00 Calculations (documentation of this review is accomplished by the attached checklist), and EN 642741 Design Verification Process (documentation of this review is accomplished by the signatures on page 2 of this ECN).

Facility Deactivation U 7 + 4 P c r r ; p , %&I bL-P

15. Distribution (include name, MSIN, and no. of copies) 1R Gregory X3-78 (1) BLPhilipp FD Choyeski X3-71 (1) WC Alaconis

x3-78 (1) x3-79 (1)

CS Haller X3-78 (1)

DA King S1-53 (1) SNFStartup Library X3-78 (1)

RWhitehurst X3-78 (1) SNF Project Files X3-11 (1) -7900-013-2 (05/96) GEFO95

1R Brehm X3-79 (1) ANArtzer x3-78 (1)

HM Chafin X3-78 (1) SNF CVD Satellite Library x3-25 (1)

A-7wO-0191

ENGINEERING CHANGE NOTICE

SDDDD Functional Design Criteria operatins S@ication Criticality Specification Conceptual Design Report Equipment Spec. const. spec. procurement spec. vendor Jnfomtion OM Manual

FSAR/SAR Safety Equipment List Radiation Wok Permit

1. ECN(use no. h p g . 1) No. 662305 of 2

Environmental Impact statement

EnvimnmentalPemit E n v i r o n m e n d ~

16. Design verification Repuirea

M Ye n No

PI n U [I U U U I] 0 n U o n [I

0 U

18. Schedule Impact (days) 17. Cost Impact nla nla

ENGr"G CONSTRUCTlON Additid o s Additid o s hpmvment 0 savings 0 s SaVillgS n s Delay n

sdamidstres3Analysis StressR)esign Report InMsec Control Drawing Calibration procedure

Installation Procedure Main~ceprocedure Engineerinspmcedure opaating Instrudion operatins-ure Operatid safety Requirwent IEFDDraWing cell AlIangement Drawing Essential Material Specification Fac. Proe. Samp. Schedule

IIupcdim Plan Inventory Adjustment

0

[I [I 11 0

U 0 n U U

n

n

n [I

0 n

Talk Calibration Manual Health Physics Procedure Spares Multiple Unit Listing Test ProcedurdSpecification Component Index ASME Coded Item Human Factor Consideration Computer Software Electric Circuit Schedule ICRS procedure

psoeess Control Marmavplm Process Flow Chart Purchase Requisition

Tickler File

[I 0 n n U 0 0 U 0 0

0 0 n [I

0 n - -

Request 20. Other Affected Documnts: (NOTE: Lkmmcnb listed below will not be revised by this ECN.) Signaturrs below indicate that the signing organkition hap been notifed of other afhtcd donunents listed below.

Document Numberkvision Document Numberkvision DocumentNumberRevision

SNF-3091 Revision 1

21. Approvals

Design~uthority ~~h i tehu rs t 9 I q.n' Design Agent Signature Date

PE QA Safety

Safety (Nuclear) JRB Design Environ. other

Envimn other

Signature Date

SNF-4451 Revision 3

Cold Vacuum Drying (CVD) Setpoint Determination

Prepared for the US. Department of Energy Assistant Secretary for Environmental Management

Project Hanford Management Contractor for the US. Department of Energy under Contract DE-AC06-96RL13200

P.O. Box 1000 Richland, Washington

FI uo r H anf o rd

Approved for public release: further dissemination unlimited

_- - - _ _

SNF-4451 Revision 3

ECN 662305

Cold Vacuum Drying (CVD) Setpoint Determination

Project No: W-441

COGEMA Engineering Corporation

Document Type: TR

BL Philipp

Division: SNF

Date Published September 2000

Prepared for the US. Department of Energy Assistant Secretary for Environmental Management Project Hanford Management Contractor for the U.S. Department of Energy under Contract DE-AC06-96RL13200

P.O. Box 1000 Richland. Washington

Fluor H anf ord

bL C?!V/DO Q m A J 9 b Release Stamp R u a s e Approval Date

Approved for public release; further dissemination unlimited

-. -

TRADEMARK DISCLAIMER Reference herein to any SDecific mmmercial DrOdUct, Drocess. or service by trade name, irademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, remmmendation. or favoring by the United States Government or any agency thereof or its contractors or submntractors.

This report has been reproduced from the best available copy.

Total Pages: Gi'%

RECORD OF REVISION 11) Document Number

SNF-445 1 Page 1

0

I 3/16/00 and temp range, Change bottle gauge 3/16/oo from 0-3000 to 0-5000, correct temp used for calibration equipment, plus

Pages (5) Cog. Engr. I 16) Cog. Mgr. Date

6/9/99 6/9/99 (7) EDT No. 626816 - Original Release R Whitehurst T Choho

OA

1

2

ECN No. 654048 - Page Replacement for R Whitehurst T Choho changing calibration period for TSH- 9/9/99 1*28, 1*29 from 1 year to 1 quarter ECN No. 657878 Re-format. R Whitehurst T Choho Incorporate ECN 654048 and 654678

ECN No. 658734 Modify seismic sensor R Whitehurst C Haller

9 / 9 / 9 9

1/10/00 1/3/00 ~

1 - - 1 ~ I I I

3

RS

.~ ~

minor edits. ECN No. 662305 Add calibration equipment requirements for all sensors, correct sensor type for design changes, add HVAC and CA sensors, plus editorial chanqes.

~

A - 7 3 2 0 - 0 0 5 (08/91) WEF168

~

1 - - 1 I I I

,- I -

SNF-4451 Rev. 3 Page 1 of 90

Cold Vacuum Drying (CVD)

Setpoint Determination Project W-441

SNF-445 1

September 2000

Electrical I&C Engineering COGEMA Engineering Corporation

Date Cd b4- Technical Reviewer Robert W. Harmsen CVD Facility Engineering Fluor Daniel Hanford, Incorporated

so F- YY5 \ h 3 p.ir,c;a.Pqo

REVIEW CHECKLIST

Iocument Reviewed: SNF-4451 REV 3 COLD VACUUM DRYING (CVD) SET POINT DETERMINATION

;cope of Review: ?inal editorial check, check of calculation methodology, and check of hand and spreadsheet zalculations. Calculation methodology considers determination of (error) totals through 3ppropriate use of square root of sum-of-squares (SRSS) versus additive error terms. Check 3f hand and spreadsheet calculations includes data checking for consistency with original sources.

- Yes No pJA m o o B O O B O O B O O O O B m o o m o o m o o n o m m o o O O B n o m m o o m o o m o o m o o m o o m o o m o o

* Previous reviews complete and cover analysis, up to scope of this review, with no gaps.

Problem completely defined.

Accident scenarios developed in a clear and logical manner.

Necessary assumptions explicitly stated and supported.

Computer codes and data files documented.

Data used in calculations explicitly stated in document.

Data checked for consistency with original source information as applicable.

Mathematical derivation checked including dimensional consistency of results.

Models appropriate and used within range of validity or use outside range of established validity justified. Hand calculations checked for errors. Spreadsheet results should be treated exactly the same as hand calculations. Software input correct and consistent with document reviewed.

Software output consistent with input and with results reported in document reviewed.

Limits/criteria/guidelines applied to analysis results are appropriate and referenced. Limits/criteria/guidelines checked against references. Safety margins consistent with good engineering practices.

Conclusions consistent with analytical results and applicable limits.

Results and conclusions address all points required in the problem statement.

Format consistent with appropriate NRC Regulatory Guide or other standards.

Review calculations, comments, and/or notes are attached.

Document approved.

*

9/1/00 Date

Robert W. Harmsen Reviewer (Printed Name and Signature)

'Any calculations, comments, or notes generated as part of this review should be signed, dated and attached to this checklist. Such material should be labeled and recorded in such a manner as to be intelligible to a technically qualified third party.

A-6002-359 (OUSS)

~ . . ~ __ ~ ~ ~___ ~ ~~~~ ~~~ ~~~~~

SNF-445 1 Rev . 3 Page 3 of 90

Contents

1 INTRODUCTION .................................................................................................................... 10

1.1 GENERAL .............................................................................................................................. 10 1.2 METHODOLOGY .................................................................................................................... 11 1.3 SUMMARY OF RESULTS ......................................................................................................... 11

MCO VACUUM PRESSURE TRANSMITTER TO SCIC ................................................. 18

VACUUM SETPOINT IDENTIFICATION .................................................................................... 18 2.1.1 Function ........................................ ....................................................................... 18

PLANT OPERATING CONDITIONS ........................................................................................... 18 2.2.1 Design-basis event conditions ................................................................

2

2.1

2.2

2.3 ABSOLUTE PRESSURE TRANSMITTER (PT-1*08, PT-1*lO) ................................................... 20 2.3.1 Instrument Data ......... ................................................................................................ 20 2.3.2 Reference Specifications ................................................................................................ 20 2.3.3 Project Specifications .................................................................................................... 20 2.3.4 Uncertainty Terms that Affect Setpoint Determination ................................................. 21

2.4 FRAMATOME STAR SYSTEM ............................................................ ................................ 23 2.4. I Processor Module ......................................... ............................................................. 23 2.4.2 Project Specifications ................................... ............................................................. 23 2.4.3 Uncertainty Terms that Affect Setpoint Determination .......

2.5 ...................................... 26 2.6 SETPOINT DETERMINATION ................................................................................................... 26 2.7

TOTAL LOOP UNCERTAINTY - 12 TORR TRIP SIGNAL LOOP (SC

SAFETY CLASS VACUUM PRESSURE CALIBRATION REQUIREMENTS ..................................... 26 Vacuum Pressure Sensor/Loop ..................................................................................... 26 2.7.1

2.7.2 Loop Components .......................................................................................................... 27 2.7.3 Measurement and Test Equipment ........................................ .................................... 28

MCO PRESSURE TRANSMITTER TO SCIC ..................................................................... 30 3 3.1 SETPOINT IDENTIFICATION .................................................................................................... 30

3.1.1 Vacuum Trip .................................................................................... 3.1.2 MCO Low Pressure Trip .................................. ......................................................... 30

PLANT OPERATING CONDITIONS ........................................................................................... 31 3.2.1 Vacuum Trip -Accidents and responses ....................................................................... 31 3.2.2 Low Pressure Trip -Accidents and responses .............................................................. 31

GAUGE PRESSURE TRANSMITTER(PT-I*36, PT-1*37) ........................................................ 31 3.3.1 Instrument Data ............................................................................................................. 31 3.3.2 Reference Specifications ............................................................................. 3.3.3 Project Specifications., ............................................................................... 3.3.4 Uncertainty Terms that Affect Setpoint Determination ................................................. 32

FRAMATOME STAR SYSTEM ................................................................................................ 34 3.4.1 Processor Module .......................................................................................................... 34

3.4.3 Uncertainty terms that affect Calibration ............................................. ..... 34

3.2

3.3

3.4

3.4.2 Project Specifications .................................................................................................... 34

SNF-445 1 Rev . 3 Page 4 of 90

3.5 TOTAL LOOP UNCERTAINTY . SAFETY CLASS LOOP ............................................................. 36 3.6 SETPOINT DETERMINATION ................................................................................................... 36 3.7 SAFETY CLASS PRESSURE CALIBRATION REQUIREMENTS ......... ........................................ 37

3 . 7.1 Pressure Sensor/Loop ........................ ............................................... 37 3.7.2 Measurement and Test Equipment .... ............................................... 38

TEMPERATURE SWITCH 1 TRANSMITTER TO SCIC .................................................. 40

TW ANNULUS WATER TEMPERATURE SETPOINT IDENTIFICATION ....................................... 40 .................................................................... .................................................. 40

PLANT OPERATING CONDITIONS ........................................................................................... 40 TEMPERATURE SWITCH / TRANSMITTER (TSH-1*28, 1*29) ................................................. 40

4.3.3 Project Specifications ................. ...................................................................... 41

SAFETY CLASS TEMPERATURE SWITCH CALIBRATION REQUIREMENTS ................................ 44

4

1.1

4.2 4.3

4.3. I Instrument Data .......................................................................... ........................ 4.3.2 Reference Specijications ........................................... ............................ 40

4.3.4 Uncertainty Terms that Affect Se etermination ................................................. 41 4.4 SETPOINTDETERMINATION ................................................................................................... 44 4.5

4.5.1 Temperature Switch Sensor/Loop ................................................................................. 44 4.5.2 Measurement and Test Equipment ......................................... ................................... 45

MINIMUM PURGE FLOW TRANSMITTER TO SCIC .................................................... 46 5.1 SETPOINT IDENTIFICATION .................................................................................................... 46

5.2 MASS FLOW TRANSMITTER (FIT-I *20, FIT-1*21) ............................................................... 46 5.2.1 Instrument Data ............................................................................................................. 46 5.2.2 Reference Specifications .......................................................... .................................. 46

Uncertainty Terms that Affect Setpoint Determination ................................................. 47 FRAMATOME STAR SYSTEM ................................................................................................ 49

5.3.2 Project Specijcations .................................................................................................... 50 Uncertainty Terms that Affect Setpoint Determination ................................................. 50

5.4 TOTAL LOOP UNCERTAINTY - SAFETY CLASS TRIP SIGNAL LOOP ........................................ 52 5.5 SETPOINT DETERMINATION ................................................................................................... 52 5.6 SAFETY CLASS MCO FLOW TRANSMITTER CALIBRATION REQUIREMENTS .......................... 53

MCO Flow Transmitter Sensor/Loop ............................................................................ 53 Safety Class Loop Calibration ...................................................................................... 54 Measurement and Test Equipment ................................................................................ 54

SEISMIC SETPOINT IDENTIFICATION ...................................................................................... 55 6.1. I Function. ........................................................................................................................ 55

PLANT OPERATING CONDITIONS ........................................................................................... 56

Servo Accelerometer ...................................................................................................... 56

. .

5

5.1.1 PWCLow PurgeFlowAlarm ........................................... .................................... 46

5.2.3 Project Specifications ................................... .................................. 47 5.2.4

5.3.1 Processor Module .......................................................................................................... 49

5.3.3

5.3

5.6. I 5.6.2 5.6.3

SEISMIC MONITORS TO SCIC ........................................................................................... 55 6

6.1

6.2

6.3 6.2. I Design-basis event conditions ................................... ................................................ 56

SEISMIC SENSOR (ATR-5235, ATR-5336, ATR-5437) ........................................................ 56 6.3. I 6.3.2 Strong Motion Recorder ................................................................................................ 57

. ... ...

SNF-4451 Rev . 3 Page 5 of 90

6.3.3 Project Specifications .............................. ........................................................ 57 Uncertainty Terms that Affect Setpoint Determination ................................................. 57

6.4 SETPOINT DETERMMATION ................................................................................................... 59 6.5 SAFETY CLASS SEISMIC RECORDER CALIBRATION REQUIREMENTS ..................................... 60

Refraction Technology (Reflek) Seismic Recorder/Loop ............................................. 60

6.5.3 Measurement and Test Equipment .................................................... .. 60

6.3.4

6.5. I 6.5.2 Safety Class Loop Calibration ...................................................................................... 60

MCO ANNULUS WATER LOW-LEVEL SWITCH TO SCIC .......................................... 61

PENBERTHY LEVEL SWITCH (LsL-1*24, 1*25) .................................................................... 61 7.1.1 Instrument Data ............................................................................................................. 61

7 7.1

7.1.2 Reference Specifications ............................................................ ....... 61 7 .I . 3 Project Specifications ................................. ..................................................... 61

7.2 UNCERTAINTY TERMS THAT AFFECT SETPOlNT DETERMINATION ........................................ 62 7.3 SETPOINT DETERMINATION ................................................................................................... 63 7.4 SAFETY SIGNIFICANT PRESSURE SWITCH CALIBRATION REQUIREMENTS ............................. 64

Measurement and Test Equipment ................................................................................ 64

GAUGE PRESSURE INDICATOR (PI-5*02, PI-5*21, PI-5*41, PI-5*61) .................................. 65

8.1.2 Reference Specifi ons ......................................... .................................... 65 8.1.3 Project Specifications .................................................................................................... 65

8.2 UNCERTAINTY TERMS THAT AFFECT SETPOINT DETERMINATION ........................................ 65 8.3 SETPOINT DETERMINATION .......................................... .................................................. 67 8.4 SAFETY SIGNIFICANT PRESSURE INDICATOR CALIBRA REQUIREMENTS ........................ 68

8.4.2 Measurement and Test Equipment ................................................................................ 68

DIFFERENTIAL PRESSURE SWITCH FOR HVAC ......................................................... 69

PRESSURE SWITCH (PDIS-8022,8042, 8043) ......................................................................... 69

9.1.2 Reference Specifications ........................................... 9.1.3 Project Specifications .................. ............................................................................ 69

SAFETY SIGNIFICANT PRESSURE SWITCH CALIBRATION REQUIREMENTS ............................. 72 9.3.2 Measurement and Test Equipment ............... ............................................................. 72

DIFFERENTIAL PRESSURE INDICATING TRANSMITTERS (PDIT-8*20B, SOSOB) ................. 73 IO . 1 . I Instrument Data ................................................................... .................................. 73 10.1.2 Reference Specifications ............................................................................................ 73

10.2 UNCERTAINTY TERMS THAT AFFECT SETPOINTDETERMINATION ..................................... 73 10.3 SETPOINT DETERMINATION ............................................................................................... 76 10.4 SAFETY SIGNIFICANT FLOW SWITCH CALIBRATION REQUIREMENTS ................................. 77

Safety Signijicant Loop Calibration ........................................................................... 78

7.4.2 Safety Significant Loop Calibration ........... ............................................................... 64 7.4.3 BOTTLE PRESSURE INDICATOR FOR SCHE ............................................................... 65 8

8.1 8.1. I Instrument Data ... ...................................................................................................... 65

9

9.1 9.1.1 Instrument Data ...................................................................................

9.2 UNCERTAINTY TERMS THAT AFFECT s OINT DETERMINATION ........................................ 70 9.3

10 DIFFERENTIAL PRESSURE FOR HVAC REFERENCE AIR ..................................... 73

10.1

10.4.1 10.4.2

Rosemount Differential Pressure Gage ..................................................................... 77


10.4.3 Measurement and Test Equipment ............................................................................. 78

FLOW SWITCH FOR HVAC ............................................................................................. 79 11

11.1 FLOW ELEMENTS (FE.8*07. 8*52) AND FLOW INDICATING SWITCHES (FIS.8*07. 8*52) 79 11.1 .1 Instrument Data ... ................................................................................................. 79 11.1.2 Reference Specifications ............................................................................................ 79

11.2 UNCERTAINTY TERMS THAT AFFECT SETPOINT DETERMINATION .............................. 11.3 SETPOINT DETERMINATION ............................................................................................... 82 11.4 SAFETY SIGNIFICANT FLOW SWITCH CALIBRATION REQUIREMENTS ................................. 83

11.4.1 DwyerFlow Switch .................................................................................................... 83 11.4.2 Safety Significant Loop Calibration .................. .................................................. 83 11.4.3 Measurement and Test Equipment .. ....................................................................... 84

DIFFERENTIAL PRESSURE INDICATOR FOR COMPRESSED AIR ...................... 85

12.1.1 Instrument Data ......................................................................................................... 85

12.2 UNCERTAINTY TERMS THAT AFFECT SETPOINT DETERMINATION ..................................... 85 12.3 SETPOINT DETERMINATION ............................................................................................... 87 12.4 SAFETY SIGNIFICANT DIFFERENTIAL PRESSURE CALIBRATION REQUIREMENTS ............... 88

12.4. I 12.4.2 Measurement and Test Equipment ........ ............................................................ 88

13 REFERENCES ...................................................................................................................... 89

13.2 VENDER INFORMATION ...................................................................................................... 89

12

12.1 PRESSURE INDICATOR (PI-5*20) ....................................................................................... 85

12.1.2 Reference Specifications ............................................................................................ 85

Rosemount Differential Pressure Gage ......................................

13.1 STANDARDS ....................................................................................................

13.3 HANFORD ....................................................................................................................... 89


List of Figures

FIGURE 2.1 ABSOLUTE PRESSURE SIMPLIFIED BLOCK DIAGRAM ...................................................... 18 FIGURE 3.1 ROSEMOUNT GAUGE PRESSURE SIMPLIFIED BLOCK DIAGRAM ...................................... 30 FIGURE 4.1 TEMPERATURE SWITCH / TRANSMITTER SIMPLIFIED BLOCK DIAGRAM ......................... 40 FIGURE 5.1 FCI MASS FLOW TRANSMITTER SIMPLIFIED BLOCK DIAGRAM ...................................... 46 FIGURE 6.1 SEISMIC SENSOR SIMPLIFIED BLOCK DIAGRAM .............................................................. 55 FIGURE 7.1 ANNULUS WATER LEVEL SWITCH SIMPLIFIED BLOCK DIAGRAM ................................... 61 FIGURE 8.1 REOTEMP GAUGE PRESSURE SIMPLIFIED BLOCK DIAGRAM ........................................... 65 FIGURE 9.1 DWYER DIFFERENTIAL PRESSURE SWITCH SIMPLIFIED BLOCK DIAGRAM ...................... 69 FIGURE 10.1 ROSEMOUNT DIFFERENTIAL PRESSURE SIMPLIFIED BLOCK DIAGRAM .......................... 73

FIGURE 12.1 ASHCROFT PRESSURE INDICATOR SIMPLIFIED BLOCK DIAGRAM .................................. 85 FIGURE 11 .1 DWYER FLOW ELEMENT AND FLOW SWITCH SIMPLIFIED BLOCK DIAGRAM ................ 79

List of Tables

TABLE^-^. Ih TRUMENT ERR R FOR SCIC TRIP SETPOINTS ............................................................ 1 TABLE 1.2 . INSTRUMENT ERROR FOR sc OR ss SENSORS NOT USED BY SCIC ................................. 12 TABLE 1.3 . CALIBRATION REQUIREMENTS ....................................................................................... 13 TABLE 1-4 . M&TE REQUIREMENTS .................................................................................................. 14 TABLE 1-5 . OFF-NORMAL: TEMPERATURE EXCURSIONS .................................................................. 15 TABLE 13-1 REVIEWER VERIFICATION MATRIX ................................................................................ 90


List of Acronyms and Abbreviations

AL ATR AU AV AVSTM P B cs cu DAC DR FE FIS FIT FS g HE HVAC MCS mR LSL LT MCO MTE NA NPH PC Psig PSE PT PDIS PDIT RA RD

RE RH SA sc SCC

Rdg

Analytical Limit Analytical Trip Recorder Accuracy Uncertainty Allowable Value Allowable Value Setpoint Trip Margin Truncation error Bias Calibrated Span Channel Uncertainty Data Acquisition Drift Effect Flow Element Flow Indicating Switch Flow Indicating Transmitter Full Scale Gravitational Constant (32.2 W s 2 ) Humidity Effect Heating, Ventilation, and Air Conditioning Monitoring and Control System milli-Rad Level Switch Low Loop Tolerance Multi-Canister Overpack Measurement and Test Equipment Not Applicable National Phenomena Hazard Performance Category: Pounds per Square Inch - Gauge Power Supply Effect Pressure Transmitter Differential Pressure Indicating Switch Differential Pressure Indicating TransmitteI Relative Accuracy Reading Error Reading Radiation Effect Relative Humidity Setting Accuracy Safety Class Standard cubic centimeters


scfm SCHe SCIC SE SMTE SP SRSS SQRT TDR TE TEM TID TS TSH TSHH TW URL VDC wc

List of Acronyms and Abbreviations (continued)

Standard Cubic Feet per Minute Safety Class Helium Safety Class Instrumentation and Controls Seismic Effect Sensor Measurement and Test Equipment Effect Static Pressure Effect Square Root Sum of Squares Square Root Turn Down Ratio Temperature Effect Test Equipment Error Maximum Total Integrated Dose Trip Setpoint Temperature Switch High Temperature Switch High High Tempered Water Upper Range Limit Volts -Direct Current Water Column

CVD Setpoint Determination SNF-4451 Rev. 3 Page 10 of 90

1 Introduction

1.1 General

The Safety Class Instrumentation and Control (SCIC) system provides active detection and response to process anomalies that, if unmitigated, would result in a safety event. Specifically, actuation of the SCIC system includes two portions. The portion which isolates the MCO and initiates the safety- class helium (SCHe) purge, and the portion which detects and stops excessive heat input to the MCO annulus on high Tempered Water (TW) inlet temperature. For the MCO isolation and purge, the SCIC receives MCO pressure (both positive pressure and vacuum), helium flow rate, bay high temperature switch status, seismic trip status, and time-under-vacuum trips signals.

The SCIC system will isolate the MCO and start an SCHe system purge if any of the following occur.

A. Isolation and purge from one of the SCHe "isolation" and "purge" buttons is manually initiated (administratively controlled).

The first vacuum cycle exceeds 8 hours at vacuum, or any subsequent vacuum cycle exceeds 4 hours at vacuum without re-pressurizing the MCO for a minimum of 4 hours. (This is referred to as the 8/4/4 requirement and provides thermal equilibrium within the MCO.)

MCO is below atmospheric pressure and the helium flow is below the minimum required to keep hydrogen less than 4% by volume. (When MCO pressure is below 12 torr there is insufficient hydrogen to exceed the 4% level and therefore no purge is required. A five minute time delay on low flow allows flow to be stopped in order to reach < 12 torr.)

The duration for the transition from above atmospheric pressure to vacuum (time to reach pressure below -1 1.7 psig [-I55 torr]) exceeds 5 minutes.

The duration for the transition from vacuum (below -1 1.1 psig [-I85 torr]) back to pressure [greater than 0.5 psig] exceeds 5 minutes.

MCO reaches a vacuum state (<OS psig) without an adequate, verified purge volume. (The MCO must be maintained above atmospheric pressure (approximately 0.5 psig) to prevent oxygen ingress unless a purge of adequate volume has been completed. During bulk water draining, the MCO must remain above atmospheric pressure.)

Seismic event of sufficient magnitude is detected. (Trip point is below the Uniform Building Code levels).

B.

C.

D.

E.

F.

G.

Setpoint determination is required for trips C through H. Sensor error determination for additional safety-significant sensors used by the HVAC system or the SCHe system are also required.

CVD Setpoint Determination

Safety Class or Field sensor’ Total instrument

trip or alarm calibration period Safety Significant error within

SNF-4451 Rev. 3 Page 1 1 of 90

Parameter limit’

1.2 Methodology

Sensor error determination and Setpoint calculation is in accordancc to the 1994 version of the standard ISA-S67.04, Part I, Setpoints for Nuclear SuJetj-Rekrted Instrumentatiot1, Reference 1.

1.3 Summary of Results

The total expected instrument errors and associated SCIC trip setpoints that were calculated in this document are listed below in Table 1-1 Instrument Error for SCIC Trip Setpoints.

Table 1-1. Instrument Error for SCIC Trip Setpoints

SCIC trip setpoint

< 8.0 torr

I 12 psig 2 0.5 psig t 0.26 psig

> 0.5 psig and I -1 1.7 psig

5 -11.1 psigand t 0.5 psig

~ < 48.1 “C

t 8.4 scfm t 1.1 scfm

< 0.05 g

t 20% of gauge (t 3 inch Rdg)

’ The * used in instrument number is replaced with the values 4 or 5 to indicate that the sensor is located in process Bay

HNF-3553, Volume 3, Rev. 1, Annex B, “Cold Vacuum Drying Facility Final Safety Analysis Report”. 4 or Bay 5. respectively.

SNF-4451 Rev. 3 Page 12 of 90 CVD Setpoint Determination

The calibration period used to develop the instrument errors listed in Table 1-1 was 1 year for all sensors, except for the TW annulus water temperature switches TSH-1*28, 1*29 which use a 3 month calibration cycle. The sensor calibration requirements and the measurement and test equipment (M&TE) requirements to support the sensor errors are listed in Table 1-3 and 1-4. .

The total expected instrument errors for the other sensors where the associated data is safety class or safety significant are listed below in Table 1-2. The calibration period used to develop the instrument errors listed in Table 1-2 was 1 year for all sensors. The sensor calibration requirements and the measurement and test equipment (M&TE) requirements to support the sensor errors are listed in Table 1-3 and 1-4.

Safety Class or Safety Significant trip or

alarm SCHe Bottle Pressure

HVAC delta-pressure

Field sensor’ Total instrument Parameter error within limit4

calibration period PI-S*02, S*21,5*41, 110psig 2 1540 psig

S*61 PDIS-8022, 8042, 0.1 S in WC

switch 8043

’ The * used in instrument number is replaced with the values 4 or 5 to indicate that the sensor is located in process Bay 4 or Bay 5 , respectively. HNF-3553, Volume 3, Rev. 1, Annex B, “Cold Vacuum Drying Facility Final Safety Analysis Report”. The parameter limit for compressed air specified in HNF-3553, Volume 3, Rev. I , chapter 4 already accounts for instrument error considerations.

delta pressure switch HVAC Flow switch Compressed Air Pressure

FE/FIS-8*07,8*52 120 scfm 1000 scfm PI s*20 4 psig >90 psig’

SNF-4451 Rev. 3 Page 13 of 90 CVD Setpoint Determination

Table 1-3 below summarizes the sensor tolerances required during calibration to support the safety loop error calculations.

Table 1-3. Calibration Requirements

Table 1-4 below summarizes the Measurement and Test Equipment (M&TE) accuracies required during calibration to support the safety loop error calculations. Note that the total error (square root of sum of squares (SRSS)) for the actual equipment used shall be less than or equal to the assumed instruments. Failure to meet these requirements may affect the total expected loop errors within the calibration period. Therefore, failure to meet these requirements may impact the data used for the Safety Class Isolation and Purge actuation. The SRSS error is used to combine uncertainties that are random, normally distributed and independent.

' The * used in instrument number is replaced with the values 4 or 5 to indicate that the sensor is located in process Bay 4 or Bay 5, respectively.

CVD Setpoint Determination

Test Equipment


Relative Accuracy

Table 1-4. M&TE Requirements

Volt Meter (Fluke 743B)

Vacuum Transfer Standard

(MKS PBTS1)

Computer (Framatome CTC)

Amp Meter (Fluke 743B)

Pressure Standard (Fluke 700)

(700-Pol, Oil0 in HzO)

(700-P07,0/500 psig) (700-P30,0/5000 psi)

Calibration Test

(700-P05,0130 pig)

*0.04% CS

*0.05%0 C s

f0. 1 % FS

+0.07% C s CS=16, FS=20 RA & Stability

+0.31yo cs

k0.05 1% C s *0.081% CS

*0.051% CS

(Assumed unit)

Temp Standard +0.35% CS (AMETEK 140SE

Decade Resistance

Pitot Tube *l%

Calibration Standard (RASTO~)

+0.025% CS

*0.01% CS

+0.02% FS

+0.07% cs CS=16, FS=20

*0.1% cs +0.02% cs C0.01% cs +0.02% cs +0.1% cs

*0.2% cs

Reading Error

4ssume digital readout 0% FS

0% FS

0% FS

0% FS

*0.1 C0.0033 C0.0033 f0.002

0% FS

0% FS

Test Equipmenl Error Maximun

Square Root Sum of Squares

(TEM)

*0.047% CS

+0.05% CS

*0.12% FS

+0.1% cs CS=16, FS=20

+0.34% CS C0.055% CS 50.051% CS *0.085% CS

*0.36% CS

10.1 % cs *1.0% CS

+1%

Selection of alternate M&TE instruments will require the following:

1. An assessment of the total instrument error contribution (as described in Table 1-3) to assure that the acceptance criteria is not affected or

2. Development of an updated acceptance criteria.

The sensor operating temperature range and the affect on calibration when the temperature is out of the defined range is shown below in Table 1-5.

0 Q\ c 0

IC)

m

SL 2

5

IC)

0 *

9

2 L, n .

4 3 v,

0 c

2 d

I

s 3

t 4 n 3 3 -

0 c 0 c

F i; d %

+

I

0 Q\ c- 0

W ...

rn > 2

MCO Vacuum transmitter SNF-4451 Rev. 3 Page 18 of 90

2 MCO Vacuum Pressure Transmitter to SCIC

,... ! ............................... ,Signal Processing Instrumentation

Voltage (General Service)

_^_I I M"nY'e I ~ I

: ........................................ I

Safety Shutdown lnstrumentation - SCIC

MCO PRESSURE

Figure 2.1 Absolute Pressure Simplified Block Diagram

2.1 Vacuum Setpoint Identification

During the Drying mode, the SCIC system will isolate the MCO and start a SCHe system purge if the MCO is below atmospheric pressure and the helium flow is below the minimum required to keep hydrogen less than 4% by volume. When MCO pressure is below 12 torr there is insufficient hydrogen to reach flammable conditions upon an air ingress and therefore no purge is required. The 12 torr limit is the analytical limit for the vacuum pressure monitors PT 1 *OS, PT 1*10.

2.1.1 Function

A five-minute time delay on low flow allows flow to be stopped in order to reach < 12 torr. Once pressure increases above the 12 torr parameter limit, there is a 2 minute delay to allow a re-start of flow. A trip will occur after this 2 minutes if flow is not above the minimum required or pressure is not less than 12 torr.

2.2 Plant Operating Conditions

During the Drying Mode, the Safety Class Instrumentation and Control System (SCIC) has a MCO Vacuum Timer (initialized to 8 hours) that is used to verify that the Monitoring and Control System (MCS) operates each of the vacuum drying steps within the correct time frame. The MCS operates a continuous purge of helium (at a rate of approximately 1.5 scfm) through the MCO during the initial vacuum Drying mode. The helium purge of 1.5 scfm is maintained to assure that hydrogen does not accumulate. This flow rate establishes a concentration inside the MCO which would be less than -4% (not including sensor error) for boundary condition fuel. This ensures that the minimum required TSR of 1.1 scfm (parameter limit plus setpoint error) is not violated. This mode of operation is continued until the MCO is dried to a point that allows a pressure reduction to below 12 torr for a maximum time period of 8 hours.

SNF-4451 Rev. 3 Page 19 of 90 MCO Vacuum transmitter

Ideally, the system will remain below 12 torr for the entire 8 hours. However, if pressure can not be reduced to less than 12 torr within the 8 hour period, the operator can use the MCS to proceed to the thermal reset. During the thermal reset, the MCS isolates the vacuum pump and initiates a backfill of the MCO with helium. It increases the MCO pressure to 1 psig, and maintains a helium purge of approximately 1.5 scfm for 4 hours to reduce thermal gradients within the fuel. The four hour thermal re-set is a safety requirement.

Following the helium backfill and purge for 4 hours, the MCO vacuum timer is re-set to 4 hours and a second evacuation of the MCO is performed. The maximum time for the second and any subsequent evacuations is 4 hours. Each subsequent evacuation is followed by a 4-hour minimum duration of helium backfill and purge.

Once the condenser is no longer removing water, the condenser is isolated, the flow is routed through a condenser bypass line, and the vacuum pump operates until pressure equalizes based on the minimum helium flow injection. A short duration is allowed to secure the purge and reach a pressure below 12 torr. Once 12 torr is reached, operation without helium purge is allowed and pressure is expected to be below 0.5 torr. The MCO pressure is monitored and upon reaching a pressure of < 0.5 torr, the MCO is isolated. At this point, a dryness verification test is performed by means of a pressure rebound test.

If the pressure rises above 2.4 torr within an hour (pressure rebound test), insufficient drying has taken place and more drylng is required. More vacuum pumping is performed if the test fails. Once the MCO passes the pressure rebound test, an evacuation to less than 12 torr for up to 28 hours is then conducted with the expected system base pressure of 0.1 torr is achieved. This is called the "PROOF" mode of operation. The proof mode requires the use of the vacuum pump only, while a residual gas analyzer samples the build-up of impurities within the MCO atmosphere during this operation. Multiple faulted conditions could result in water addition to the MCO, therefore a second and final rebound test is conducted at the end of the proof mode. This post drying operation (is., "PROOF" mode or mode 6 ) at 46 "C is utilized to verify that 200 g (0.44 Ib) of water or less is in the MCO prior to shipment to the CSB (see HNF-185 1, Cold Vucuum Dv ing Residual Free Water Test Description).

2.2.1 Design-basis event conditions

1. The SCIC will initiate a trip during Drying mode if the MCO pressure exceeds the setpoint for the 12 torr parameter limit during the 8 hour vacuum interval or the 4 hour vacuum intervals for more than 2 minutes.

The SCIC will initiate a trip during Proof mode if the MCO pressure exceeds the setpoint for the 12 torr parameter limit.


2.3 Absolute Pressure Transmitter (PT-1*08, PT-I*10)

The sensor chosen to monitor pressure for the 12 torr analytical limit is a high accuracy, temperature regulated Baratron'M Absolute Pressure Transmitters from MKS Instruments. This device is designed for industrial vacuum applications, and comes standard with Factory Mutual Approvals for a NEMA-4 housing.

2.3.1 Instrument Data

Name: Baratron Absolute Pressure Transmitter Manufacturer: MKS Instruments, Inc. Model Number: 427A A 00100 Type: High Accuracy, Temperature Controlled (45 "C) Absolute Pressure Transmitter

2.3.2 Reference Specifications (Bulletin 400-10/96, 1996 - MKS Instruments, Iuc.)

Range: 0 to 100 Torr Resolution: 1 x Accuracy: 0.15% of Reading k temperature coefficient. Temperature Effect: Zero 0.007% FS/"C

Span 0.020% RdgPC Temperature Limits: 15 to 40 "C (60 to 105 OF) Uncertainty below range 15°C (60'F) = f 0.05 torr

(letter from R. Traverso MKS Applications Engineer 1/26/98) Power Supply: f 1 5 VDC + 5% Input/Output: Range: 0.0 to 10.0 VDC Sensor Overpressure limit: 35 psia Factory Mutual Approvals: Calibration Interval: 1 year between calibrations

of Full Scale

Explosion-proof: Class 1 Division 1 & 2, Group C & D

2.3.3 Project Specifications

The project safety specifications for the 12 torr sensor include the following:

Safety Classification: Safety Class (SC) Performance Category: PC-3 (for pressure boundary only) Environmental Qualification: Environmental Condition B (Certified to 105 OF) NPH Design Requirements: Seismic Condition B for boundary only Required Safety Functions: Pressure boundary integrity, input to SCIC for 12 torr trip and

pressure rebound test results

TY

Baratron is a registered trademark of MKS Instruments, Inc, Andover, MA.


2.3.4 Uncertainty Terms that Affect Setpoint Determination

A. Assumptions i.) ii.) iii.) iv.) v.)

Turn Down Ratio = 1 (transmitter will have a full span of 100 Torr) Calibrations performed at ambient 72 k 8 "F or 64 to 80 O F

Midmax temperature range is 40 to 115 "F Drift: f 1% calibrated Span (CS) per year Calibrated Span (CS) = 100 Torr

B. Sensor Uncertainty i.)

ii.)

iii.)

iv.)

Relative Accuracy (RA) Given: RA = 0.15% Reading (Rdg)

Static Pressure (SP) SP = 0% cs

Basis: Assumed zero for pressures <35 psi. Sensor maintains RA = kO.15% of Rdg up to 35 psi

Humidity Effect (HE) HE = 0% Calibrated Span

Basis: Housed in NEMA 4 enclosure

Temperature Effect (TE) Given: TE, = f 0.020% Rdg/OC for Span (1 00 Torr)

TE, = + 0.007% FS/"C for Zero (0 Torr) Uncertainty below temp range of 15°C (60'F) = + 0.05 torr

With TDR = 1, CS = Span = 100 Torr

Assume worst case Rdg = 100

Combining terms (+) Temp Effect = 0.007%*FS/T + 0.02%*Rdg/"C = 0.027% CS/"C

TE, = 0.02% CS/"C TE, = 0.007% CS/"C

Temp Uncertainty = 0.027% CS/"C + 0.05 * 100%/100torr (converts to CS since calibrated range is 100 torr)

= 0.027% CS/"C + 0.05% CS

Assume Tmax = 105 "F, Tnorm .(lower) = 72-8 = 64'F Therefore Tdelta = 105 - 64 = 41 AOF = 22.8A"C Le., Temp Uncertainty (TE) = (0.007*FS*dT + 0.02*Rdg*dT + 0.05*FS)%=

(0.007*100* 22.8"C + 0.02* 100 torr* 22.8"C + 0.05*100)/100 TE= 0.666%CS


v.) Radiation Effect (RE) Given: Dose Rate = 8.5mWhr, Facility Design Life = 5 years

Life = 5*24*7*52 + 48 (leap years) = 43728 Total Integrated Dose = 8.5 mR/hr * 43800 hr = 372,300 mR

No Radiation Effect Data, assumed zero because relatively small dose Assume: RE = *OYO CS

vi.) Power Supply Effect (PSE) Given: No PSE while supply voltage maintained at 15 VDC *5%0 PSE = 0%

vii.) Seismic Effect (SE) No credit for this device is taken during or after a seismic event SE = 0%

Sensor Measurement and Test Equipment Effect (SMTE) Test Equipmentl: Fluke 743B, DC Volts, Damping is OFF

viii.)

Calibration Temperature Range with no TempEffect: >18 and <28T

Full Scale (FS) = 1OV Calibrated Span = 0 to lOV, Max Reading (Rdg) = 100 Torr = 1OV

(-64 to 80°F)

RAMTEI = 0.025%*Rdg + 3*(0.005% FS) (Given: times 3 with damping OFF)

RASTDI = O.Ol%*Rdg + 3*0.005%0 FS (Use given Source Accuracy, = O.O25%*CS + 0.015% FS = f0.04% CS

Assume also *3 with Damping OFF) = O.Ol%o*CS + 0.015% FS = ?0.025%0 cs

RD1 = 0% FS (digital readout) SA1 = 0.15% Rdg + TE (relative accuracy and TempEffect

Assume calibrated at 72 and operated at 64-80) = 0.15% Rdg + 0.027% CS/"C*AT = 0.15% CS + (0.027% CS/"C)*8.89"C/2 = 0.27% CS

2 2 112 MTEl (RAMTEI + RAs~ol ' + R D I 2 + SA1 ) MTEl = (0.042 + 0.025' + 0' + 0.272)" = 0.274% CS

Test Equipment2, MKS Portable Pressure Transfer Standard Type PBTSl Operating Temperature Range: 15 to 40°C Full Scale (FS) = 100 Torr Resolution = 0.0001 Torr

RAMTE~ = 0.05%*Rdg = O.O5%*CS (100 Torr = CS is maximum Reading) = k0.05% CS

RASTD2 <= 0.01% CS (Assume Calibration Std used is at least 4:1, site practice) RD2 = 0% FS (digital readout) SA2 = 0 (already counted in MTE1)


MTE2 = (RAMTEI~ + RASTOI~ + RD12 + SA1 2 ) 112

MTE2 = (0.05’ + 0.Ol2 + O2 + 0’)’’ = 0.051 YO CS MTE2 = 0.051 % FS

SMTEl = MTEl + MTE2 = 0.274 + 0.051 = 0.325% CS

ix.) Total Sensor Uncertainties

The assumed drift term DR will be taken as a bias (conservative option).

= [(0.15 + 0.666)2 + 0 + 0 + 0 + 0 + 0 + (.325)*] ”* + 1 = 1.9% CS

= - ([(0.15 + 0.666)’ + 0 + 0 + 0 + 0 + 0 + (.325)2]

The error associated with the sensor (esens) is as follows: esens = +_1.9% cs

e+ = [(RA+TE)~ + sp2 + HE^ + RE^ + PSE* + SE’ + SMTE~ 1 ‘/1 + DR

e- = - ([(RA+TE)~ + SP* + HE^ + RE^ + PSE* + SE’ + SMTE* 1 ’’, + DR) + 1) = -1.9% CS

2.4 Framatome STAR System

2.4.1 Processor Module

2.4.1.1 Instrument Data

Name: Processor Module Manufacturer: Framatome Technologies Model Number: 1225275-002 Type: Signal Processing Module

2.4.1.2 Reference Specifications

Range: 0 to 10 VDC Resolution: 14 bits (ADC) Drift: f 2 mVDC = +0.02% Full Scale Accuracy: t0.14% of Full Range (Analog Input)

Analog Inputloutput: Range: 0.0 VDC to 10.0 VDC Calibration Interval: 12 months (letter J. Scecina FTI-99-1537)

(1960501R 5/96 - Framatome Technologies)

kO.l% of Full Range (Analog Output) (Note: Output not used.)


Safety Classification: Safety Class (SC) Performance Category: PC-3 Environmental Qualification: Environmental Condition B NPH Design Requirements: Seismic Condition C Required Safety Functions: H2 Explosion prevention; Runaway Reaction Prevention

MCO Vacuum transmitter SNF-445 1 Rev. 3 Page 24 of 90


A. Assumptions i.) ii.) iii.) iv.) v.)

Turn Down Ratio = 1 Calibrations performed at ambient 72 + 8 "F or 64 to 80 "F Midmax design temperature is 40 to 1 15 OF Calibrated Span (CS) = Full Scale = 10 VDC Processor Module input error calculation multiplier factor = 1

i.)

ii.)

iii.)

iv.)

v.1

vi.)

vii.)

B. Channel Uncertainty Safety Class Trip Signal Drift (DR) DR1 = 0.02 DR = + 0.02% CS

Relative Accuracy (RA) Assume calculation error multiplier = p = 1.0 (few internal calculations and error

Given: FL4 = p*Raa.,,

RA = 50.14% CS (for range 40 to 140 OF)


introduced by data conversions)

= +(0.14%) Full Range (for range 40 to 140 OF)

Basis: Not a pressure sensor, not subject to the pressure effects of the process

Humidity Effect (HE) HE = 0% CS


Temperature Effect (TE) Given: Reference accuracy for range 40 to 140 OF. Design range is 40 to 11 5 O F

TE = 0% CS

Radiation Effect (RE) Given: Dose Rate = 8.5mRihr, Facility Design Life = 5 years

Life = 5*24*7*52 + 48 (leap years) = 43728 Total Integrated Dose = 8.5 mR/hr * 43800 hr = 372,300 mR Radiation Effect Data says there is no effect to 10,000,000 mR TID Because relatively small dose (based on HNF-SD-SNF-DRD-002, Rev. 1)

Assume: RE = +O% CS

Power Supply Effect (PSE) Given: Vender information

PSE = 0% No PSE while supply voltage maintained at 15 VDC 510%


viii.) Seismic Effect (SE) Device is qualified per IEEE 344-1987 to withstand 17 g seismic event Design Basis event is postulated as 0.26 g SE = 0%

ix.) Sensor Measurement and Test Equipment Effect (SMTE)

Test Equipment1 : Fluke 743B, DC Volts, Damping is OFF Calibration Temperature Range with no TempEffect: >I 8 and ~ 2 8 ° C

Full Scale (FS) = 1 OV Calibrated Span = 0 to lOV, Max Reading (Rdg) = 100 Torr = 1OV

(-64 to 80°F)


RASTD~ = O.Ol%*Rdg + 3*0.005% FS (Use given Source Accuracy, = O.O25%*CS + 0.015% FS = *0.04% CS

Assume also *3 with Damping OFF) = O.Ol%*CS + 0.015% FS = +0.025% CS

RD1 = 0% FS (digital readout) SA1 = (0.15’ + 0.152)’ (Assume Sum of Squares of RA for zero & span)

= 0.21% cs MTEI = (RAMTEI 2 + R A ~ ~ ~ ~ : + mi2 + SAI 2 ) l i2

MTEl = (0.04’ + 0.0252 + 0 + 0.212)’ = 0.22 % CS

Test Equipment2 : Framatome Calibration and Test Computer (CTC) RAMTE~ = 0.10% FS

= *o. 10% cs = 570.02% cs

R A S T D 2 = 0.02% FS

RD2 = 0% FS (digital readout) SA2 = 0.12% FS (Assume e ual to relative accuracy of CTC)

MTE2=({0.1 +0.02}’ + 0 2 +0.12’)’ =0.17%CS

SMTE2 = (MTEI2 + MTE2’)’ = (0.22‘ + 0.17’)’ = 0.278 % CS

Total Uncertainties - Safety Class Trip Signal

e+ = [DR’ + R A ~ + SP’ + HE^ + TE’ + RE’ + PSE~ + SE’ + SMTE’ 1 ’

MTE2 = (RAMTE~ 2 + USTD! + + sf%? 2 ) 11’

x.)

0.312% CS = [0.02 + 0.14 ’ + 0 + 0 + 0 + 0 + 0 + 0 + 0.278’1 =

The error associated with the processor epmc is as follows:q,, = *0.312% CS


2.5 Total Loop Uncertainty - 12 Torr Trip Signal Loop (SC)

All bias terms are subtracted from the sensor (sens-dr) and processor (proc) error before combining terms then added back in.

Safety class channel uncertainty (CU)

Cu‘,, = [ 0.9’ + 0.312’1 ’ ’ + 1 + 0 = 1.953 % CS CU,, = &1.953% CS

2.6 Setpoint Determination

CU’,, = [ e’sensdr + eZproc 1”’ + DR + Bproc

A. Trip Setpoint The Analytical Limit (AL) is the maximum pressure allowable before the trip operates. The Trip Setpoint (TS): TS = AL - (CU+ margin) Given: AL = 12 Torr

Margin = 2 torr (pressure drops inside the system

TS,, = 12 - 1.953 - 2 = 8.05 Torr (safety class t i p conservative 58 torr) i.)

B. Allowable Value The allowable value (AV) provides a threshold value that can be used to assess the instrument’s expected performance when tested. The Allowable Value setpoint trip margin (AVSTM) is the allowance between the trip setpoint and the AV.

i.) AV = TS,, + [(SMTEI’ + SMTE2’+ DR,,?)”* + DR,,,,]= TS,, + AVSTM AV = 8.05 + (0,325’ + 0.278’ + 0.022)i’2 + 1 = 8.05 + 0.43 + 1 = 9.48 AVSTM = AV - TSsc = 9.48 - 8.05 = 1.43

2.7

2.7.1 Vacuum Pressure Sensor/Loop

2.7.1.1 MKS Baratron

Safety Class Vacuum Pressure Calibration Requirements

A. Assumptions i.) ii.)

Turn Down Ratio = (transmitter will have a full span of 100 Torr) Calibrations performed at ambient 72 k 8 O F or 64 to 80 O F

B. Sensor Uncertainty i.) Relative Accuracy (RA)

Given: RA = 0.15% Reading (Rdg)

SNF-445 1 Rev. 3 Page 27 of 90 MCO Vacuum transmitter

C. Tolerance Requirements i.) Range 110 Torr

+0.15% Reading * 10 Torr= k0.015 Torr Resolution = 0.01 Torr Therefore, rounding up Tolerance (Range 510 Torr) = k0.02

ii.) Range >IO Torr f0.15YoCS * 100T0rr/CS=O.l5T0rr Tolerance (Range 10 to 100 Torr) = +O. 15 Torr

D. Sensor Calibration Tolerance

RANGE Sensor Tolerance 0-10 Torr f 0.02 torr 10-100 Torr f 0.15 torr

2.7.2 Loop Components

2.7.2.1 Framatome STAR System ~ Processor Module


Calibrations performed at ambient 72 f 8 OF or 64 to 80 “F Calibrated Span (CS) = Full Scale (FS) = 10 VDC

B. Channel Uncertainty i.) Relative Accuracy (RA)

Given: RA = RAP,, = f0. 14% Full Range RA = f0.14% CS

2.7.2.2 Safety Class Loop Calibration

A. Loop Tolerance (LT) Determination Max Reading = 10 Torr, FS = CS = 100 Torr

Range 510 Torr,

LT=f[RA~+RA,,,2]”=f[(0.15%Rdg)2+0.14%FS2] ’’ LT = k [(0.0015*10)2 + 0.142] ’ Torr LT = f 0.141 Torr (Note Resolution is 0.01, Round to 0.15 Torr) LT = f 0.15 Torr

= f [(0.0015*10)2 + (0.14% *lo0 Torr/100%)*] ’


Range 10 to 100 Ton

LT = t [RA: + RA:] ' =If: [0.15'+ 0.14'1 ' % CS =+0.206% CS =40.206% CS*100 Torr/100% CS = 0.206 TOIT

LT = 0.21 torr

RANGE LOOD Tolerance S10 Torr f 0.15 torr 10 to100 Torr It 0.21 torr

2.7.3 Measurement and Test Equipment

i.) Sensor Measurement and Test Equipment Effect

1 . Test Equipmentl: Volt Meter

Assume Fluke 743B, DC Volts with Damping OFF or equivalent Calibration Temperature Range with no TempEffect: >18 and <28T

Full Scale (FS) = 1OV Calibrated Span = 0 to lOV, Max Reading (Rdg) = 100 Torr = 1OV

(-64 to 80°F)

RAMTEI = O.O25%*Rdg + 3*(0.005% FS) (Given: times 3 with damping OFF) = O.O25%*CS + 0.015% FS = +0.04% CS

RASTDI = O.Ol%*Rdg + 3*0.005% FS (use given Source Accuracy, Assume also *3 with Damping OFF)

= O.Ol%*CS + 0.015FS = +0.025% CS RDl = 0% FS (digital readout)

Test Equipment Error Maximum (TEM) Contribution from Volt Meter

TEM = k(0.04' + 0.0252 + 0 )' = +0.047% CS Note: Setting Accuracy (SA) is not considered.

2. Test Equipment2, Vacuum Standard

Assume MKS Portable Pressure Transfer Standard Type PBTSl or equivalent Operating Temperature Range: 15 to 40°C Full Scale (FS) = 100 Torr Resolution = 0.0001 Torr

SNF-445 1 Rev. 3 Page 29 of 90 MCO Vacuum transmitter

RASTDZ <= 0.01% CS (Assume Calibration Standard used was at least 4: 1) RD2 = 0% FS (digital readout)

TEM Contribution from Pressure Transfer Standard TEM = +(0.052 + 0.Ol2 + 0 )' = +0.05% CS

3. Test Equipment2, Framatome Calibration and Test Computer

MMTEZ = O.l%*FS RASTD~ <= 0.02% FS RD2 = 0% FS (digital readout)

TEM Contribution from Calibration and Test Computer TEM = f(O.l + 0.02) = k0.12% FS

MCO Pressure transmitter

I .

Analog i Presswe Pressure voltage A El -~ l t Transmitter 4.20 mA I S O I . ~ ~ I i

SNF-445 1 Rev. 3 Page 30 of 90

MC5 (General S e w = )

3 MCO pressure transmitter to SCIC

Module 1 Proce5sLlr ! Module

! ;Signal P m c e ~ ~ n g Instrumentation ~ I ,. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i

~

, ~

I ,

; ~

! . . . . . . . . . . . . . . . . . . . . . . . . . . . . I ~

~

1 I

MCOISOLATION ANDPURGE

Safely Shutdwn Instrumenlabon - SCIC (Ssfetyciasr)

MCO Pressure transmitter SNF-445 1 Rev. 3 Page 3 1 of 90


3.2.1 Vacuum Trip - Accidents and responses

During the transition kom pressure operations to vacuum in MODES 5 and 6, the "MCO PRESSURE DECAY FAIL" trip is activated to ensure no leaks which would allow continuous air cycling and to detect a degraded vacuum pump. The MCO must reach the safety parameter limit of -1 1.4 psig within 5 minutes of entering vacuum (<0.24 psig). Under normal MCS response in MODES 5,6, and 7, flow will be re-started at -1.5 scfm in response to being above 12 torr. Once 12 torr is exceeded, the system pressure must go to >0.24 psig within 5 minutes of exceeding the safety parameter limit, timer initiation value of -10.8 psig. In the event of a significant system leak, pressure will not increase above 0.5 psig so within 5 minutes of exceeding the -1 1.1 psig (-185 torr) setpoint value, the SCIC will cause an isolation and SCHe purge based on the "MCO PRESS FUSE FAIL" trip.

Low Pressure Trip - Accidents and responses

The MCO LOW PRESSURE trip will occur as soon as pressure drops below 0.24 psig and valve actuation will start within 0.3 seconds from this point. The isolation valves take under a second to fully open (some testing has shown 0.5 seconds) but as soon as the valve comes off the closed seat, helium starts flowing to the MCO.

3.2.2

3.3 Gauge Pressure Transmitter (PT-1*36, PT-1*37)

The sensor chosen to monitor pressure for the -11.7 psig (155 torr), -11.1 psig (185 torr), and 0.5 psig analytical limits is a nuclear grade Gage Pressure Transmitters from Rosemount Nuclear. This device is designed for nuclear safety class vacuum applications.


Name: Pressure Transmitter Manufacturer: Rosemount Nuclear Model Number: 1153GB5 ( 0-125 to 0-750 in HzO) Type: Gauge Pressure Transmitter

3.3.2 Reference Specifications (PDS 4302 April 1992 - Rosemount Nuclear)

Range: 0 to 750 in H20 Resolution: N/A (transmitter only) Accuracy: f0.25% CS Input/Output: 4 to 20 mA output Calibration Interval: 1 year between calibrations


Safety Classification: Safety Class (SC) Performance Category: PC-3 for boundary only Environmental Qualification: Environmental Condition B NPH Design Requirements: Seismic Condition B Required Safety Functions: Pressure boundary integrity (signal is safety class, non-seismic)

SNF-4451 Rev. 3 Page 32 of90 MCO Pressure Transmitter



Calibrations performed at ambient 72 f 8 "F or 64 to 80 OF Calibration hterval = 1 year

B. Calculation Verification i.) Range

URL = 750 in H20 Zero = -14.7 psig (-406.9 in HzO), Span = 12 psig (332.17 in H20) CS = 26.7 psig (739.07 in HzO)

ii.) Turn Down Ratio TDR=URL/CS=750/739= 1.015

iii.) Drift f 0.2% Upper Range Limit per 30 months DR = f 0.2% * (URLKS) = f 0.2% CS

iv.) Relative Accuracy (RA) Given: RA = f 0.25% CS

v.) Static Pressure (SP) SP = 0% cs

Basis: f 0.5% of Rdgll000psi. It is systematic and can be calibrated out for a particular pressure before installation.

vi.) Humidity Effect (HE) HE = 0% Calibrated Span

Basis: 0 to 100 % relative humidity. (Housed in NEMA 4 enclosure)

vii.) Temperature Effect (TE) Given: TE = f ( 0.75% URL + 0.5% span) per 100 OF ambient temp change T,,, = 72 f 8 "F (calibration temperature range), T,,, = 40 "F, T,,, = 105 "F Maximum Tdelta = T,,, - TCal(lower) - = 105'F - 64 "F = 41A°F TE = k [0.75 (URLICS) + 0.51 % CS * 41"F/100°F TE = f [0.75 (TDR) + 0.51 Yo CS *(41/100) T E = + [( 0.75%)*(1.013) +0.5%]*(41/10O)=kO.516 CS

viii.) Radiation Effect (RE) Given: k 8.0% URL at 2.2 x IO' rads TID Given: Expected Dose Rate = 8.5mlUhr, Facility Design Life = 5 years TID = 8.5 mR/hr * 43800 hr = 372,300 mR = 3.72 x IO2 rads TID Approximate as zero because relatively small dose RE = f O % cs

MCO Pressure Transmitter SNF-445 1 Rev. 3 Page 33 of 90

ix.)

x.1

xi.)

Power Supply Effect (PSE) Given: >0.005% of output spdvol t PSE > 0.001% CS

Seismic Effect (SE) No credit for this device is taken for a safety system shutdown during or after a seismic event SE = 0%

Sensor Measurement and Test Equipment Effect (SMTE)

Test Equipmentl: Fluke 743B, DC Current Damping OFF, & Pressure module Calibration Temperature Range with no TempEffect: >18 and <2S°C

(-64 to 80°F) Full Scale (FS) = 20.3 mA (TDR = 1.015) Calibrated Span = 20 - 4 = 16 mA, Max Reading (Rdg) = 20 mA

RAMTEI = O.Ol%*Rdg + 3*(0.015% FS) (Given: times 3 with damping OFF) = 0.01%*20/16 CS + 3*0.015% FS*(20.3 mA/FS)*(CS/16mA) = +0.07% CS

RASTD~ = O.Ol%*Rdg + 3*0.015% FS (Use given Source Accuracy, Assume also *3 with Damping OFF)

= 0.01%*20/16 CS + 3*0.015% FS*(20.3 mAiFS)*(CS/16mA) = *0.07% cs

RD1 = 0% FS (digital readout) SA1 = 0.25% CS (Assume equal to relative accuracy)

= 0.25% CS MTEl = (RAMTEI' + R&ro12 + RDl' + SA1 2 ) 112

MTEl = (0.072 + 0.072 + O2 + 0.252) ' MTEl = 0.269 % CS

Test Equipment2: Fluke Pressure Module 700P05 (sensor 0 to 3Opsig)

Relative accuracy of MTE2

RAs~oz = f 0.02% CS (Assume) RD2 = (0.001 psi130 psi)*lOO (digital readout, resolution)

SA2 = 0.05% CS

MTE2 = (0.0512 + 0.022 + 0.003332 + 0.052) ' MTE2 = 0.074% CS

SMTE = [MTEl' + MTE22 ] ' I 2 = [0.2692 + 0.0742]i12 = 0.279

Accuracy = f0.05% span, Stability = fO.Ol% span

R A M T E 2 (0.05' + o.o12)' = +.051% cs

= O.O0333%CS

MTE2 = (RAMTE~ 2 + R.4~~022 + RD22 + SA2 2 ) 112

SNF-4451 Rev. 3 Page 34 of 90 MCO Pressure Transmitter

xii.) Total Sensor Uncertainties

e+ = [uZ+ D R ~ + sp2 + T E ~ + HE* + RE^ + PSE* + S E ~ + SMTE~ 1 ’ + B

e- = -[RA’+ D R ~ + sp2 + TE* + HE^ + RE^ + P S E ~ + S E ~ + SMTE~ 1 ‘z + B = [0.25’ + 0.22 + 0 + 0.5162 + 0 + 0 + 0.001’ + 0 + 0.2792]”z + 0 = 0.6683% CS

= -[0.252 + o.22 + 0 + 0.5162 + 0 + 0 + O.O0l2 + 0 + 0.2792]”z + 0 = -0.6683% CS

sensor error (esens) esens = f0.6683% CS esms = k(0.006683)*26.7 psig = fO.18 psig



See section 2.4.1


See section 2.4.2

3.4.3 Uncertainty terms that affect Calibration

A. Assumptions i.)

ii.) iii.) iv.) v.)

B. Calculation Verification Error to Safety Class Trip i.) Turn Down Ratio

Because of the random nature (direction and magnitude) of the drift, Calibration intervals of 12 months uses the same values as 6 months Calibrations performed at ambient 72 + 8 “F or 64 to 80 “F Midmax temperatures is 40 to 115 O F

Calibrated Span (CS) = 4 VDC Processor Module input error calculation multiplier factor = 1

TDR = URL/CS = 10/4 = 2.5

ii.) Drift (DR) DR = f 0.02% FS*2.5 = f 0.05% CS (See section 2.4.4)

iii.) Relative Accuracy (RA) Assume calculation error multiplier = p = 1 .O Given: RA = P*Ra,.,,

= k(0.14% ) Full Range RA = k0.35% CS (for TDR = 2.5 at 40 to 140 OF)


iv.)

v.)

vi.)

vii.)

viii.)

ix.)

x.)

Static Pressure (SP) SP = 0% CS (See section 2.4.4)

Humidity Effect (HE) HE = 0% CS (See section 2.4.4)

Temperature Effect (TE) TE = 0% CS (See section 2.4.4)

Radiation Effect (RE) RE = fO% CS (See section 2.4.4)

Power Supply Effect (PSE) PSE = 0% (See section 2.4.4)

Seismic Effect (SE) SE = 0% (See section 2.4.4)


Test Equipment1 : Fluke 743B, DC Volts Damping is OFF Calibration Temperature Range with no TempEffect: >I8 and <28"C

Full Scale (FS) = 1OV Calibrated Span = 1 to 5V, Max Reading (Rdg) = 5V, TDR = 10/4= 2.5


(-64 to 80°F)

= O.O25%*CS + 0.015% FS*(2.5CS/FS) = +0.0625% CS

R A ~ T D ~ = O.Ol%*Rdg + 3*0.005% FS (Use given Source Accuracy, Assume also *3 with Damping OFF)

= O.Ol%*CS + 0.015% FS*(2.5CS/FS) = +0.0475% CS

RDI = 0% FS (digital readout) SA1 = 0.14%*2.5 = 0.35 (Assume equal to relative accuracy and stability)

MTEl = (0.06252 + 0.04752 + O2 + 0.352) ' = 0.36 % CS

Test Equipment2 : Framatome Calibration and Test Computer (CTC)

2 112 MTEI = (RAMTE~' + wTDl2 + RDI' + SAI

RAMTE~ = 0.10% FS*(2.5CS/FS) = +0.25% CS

= *0.05% CS RD2 = 0% FS (digital readout) SA2 = 0.14%*2.5 = 0.35 (Assume equal to relative accuracy and stability)

MTE2 = (0.252 + 0.05' + 0 + 0.352)'/1 = 0.433 % CS

SMTE = (MTEI2 + MTE22) '' = (0.362 + 0.433) '% % CS = 0.563

RASTD~ = 0.02% FS*(2.5CS/FS)

MTE2 = ( R A M T E ~ ~ + R A S T D ~ + RDz2 + SA2 2 ) 112


xi.) Total Uncertainties - Safety Class Trip Signal

e+ = [ D R ~ + m2 + sp2 + HE* + T E ~ + RE^ + P S E ~ + SE* + SMTE~ 1 = [0.05 + 0.35 + 0 + 0 + 0 + 0 + 0 + 0 + 0.5632]

esc = +_0.665%0 CS esc = 0.665/100* 4 = k0.027 VDC

Total Loop Uncertainty - Safety Class Loop

Sensor (sens) and processor (proc) loop error CV = t e* sens + ; ' proc CU',, = [ 0.6683 + 0.6652] I" + 0 + 0 = 0.943 % CS

Channel Uncertainty (CU) CU,, = f0.943% CS CU,, = f0.00943 * 26.7 = k 0.252 psig

= 0.665% CS

3.5

+ B + B proc

Note Safety Class, 3rd digit is insignificant but value was rounded up Le. CU,, = f 0.26 psig


A. Trip Setpoint The Analytical Limit (AL) is the maximum pressure allowable before the trip operates. The Trip Setpoint (TS): TS = AL - (CU+ margin)

Given: ALI = -1 1.4 psig (with a margin of zero) ALz = -10.8 psig (with a margin of zero) AL3 = 0 psig (with a margin of zero) A 4 = 0.24 psig (with a margin of zero)

i.)

ii.)

iii.)

iv.)

TS,,l =-11.4-0.26psig=-11.66psig (roundedto-11.7)

TS,,2 = -10.8 - 0.26psig = -1 1.06 psig (rounded to -1 1 . l )

TS,,, = 0.0 + 0.252psig = 0.26 psig (rounded to 20.26

TS,,4 = 0.24 + 0.26psig = 0.50 psig (rounded to 20.5)

B. Allowable Value The allowable value (AV) provides a threshold value that can be used to assess the instrument's expected performance when tested. The allowance between the trip setpoint and the AV includes Drift, instrument calibration uncertainties, and any additional instrument uncertainties during normal operation that are measured during testing. The purpose for determining an AV is to provide a threshold value that can be


used to assess the instrument’s performance when tested. The Allowable Value setpoint trip margin (AVSTM)

i.) AV = TS +/- [(SMTEI2 + SMTE2’ + DRs,2 + DRpr,,:f’2] = TS +/- AVSTM AV = TS +/- (0.279’ + 0.5632 + 0.l2 + 0.052)”z * 26.7/100 AV = TS +/- 0.639 * 26.71100 = TS +/- 0.17lpsig AVSTM = 0.171 psig

3.7

3.7.1 Pressure Sensor/Loop

3.7.1.1 Rosemount Gauge Pressure Transmitter

Safety Class Pressure Calibration Requirements

A. Assumptions i.) ii.) iii.) Calibrated Span (CS)

Calibrations performed at ambient 72 k 8 “F or 64 to 80 “F Upper Range Limit (URL) = 750 in H2O

CS = 12 psig- (-14.7 psig) = 332.17 in HzO - (-406.9 in HzO) CS = 26.7 psig (739.07 in H20)

TDR = URL/CS = 750/739 = 1.015 iv.) Turn Down Ratio (TDR)

B. Sensor Uncertainty ii.) Relative Accuracy (RA)

Given: RA = 0.25% Full Span RA = 0.25% * 1.015 = 0.25% CS

C. Tolerance Requirements i.) -14.7 psig 2 Range I 12 psig

f0.00254 CS * 26.7 psig = f0.06775 psig (round to 2 digit accuracy)

Tolerance = k0.07 psig


RANGE Sensor Tolerance -14.7 psig to 12 psig f 0.07 psig

MCO Pressure Transmitter SNF-445 1 Rev. 3 Page 38 of 90

3.7.1.2 Loop Components

3.7.1.2.1 Framatome STAR System - Processor Module

A. Assumptions i.) ii.) iii.) iv.)

Calibrations performed at ambient 72 f 8 "F or 64 to 80 "F Calibrated Span (CS) = 4 VDC Full Scale (FS) = 10 VDC TDR = 10/4 = 2.5

€3. Channel Uncertainty ii.) Relative Accuracy (RA)

RA=+0.14%FS=*0.14%*2.5 CS RA = f0.35% CS

3.7.1.2.2 Safety Class Loop Calibration

A. Loop Tolerance (LT) Determination Range -14.7 to 12 psig

LT=*[RA;+RA2]' = f [0.252 + 0.352] ' % CS = f0.43% CS = f0.0043*26.7 = 0.1 15 psig

Round 0.12 psig

RANGE Loop Tolerance -14.7 to 12 f 0.12 psig



1. Test Equipmentl: Ammeter

Assume: Fluke 743B, DC Current Damping OFF Calibration Temperature Range with no TempEffect: >I8 and <28T

(-64 to 80°F) Full Scale (FS) = 20.3 mA (TDR = 1.015) Calibrated Span = 20 - 4 = 16 mA, Max Reading (Rdg) = 20 mA

RAMTEl = O.Ol%*Rdg + 3*(0.015% FS) (Given: times 3 with damping OFF) = 0.01%*20/16 CS + 3*0.015% FS*(20.3 mA/FS)*(CSI16mA)

fO.O7% cs


RA~TDI = O.Ol%*Rdg + 3*0.015% FS (Use given Source Accuracy, Assume also *3 with Damping OFF)

= 0.01%*20/16 CS + 3*0.015% FS*(20.3 mA/FS)*(CS/16mA) = +0.07% Cs

RDl = 0% FS (digital readout)

TEM Contribution from Pressure Transfer Standard TEM = (RAMTEI TEM = (0.07’ f 0.07’ + 0’ ) ’’ = 0.1 % CS

2 2 l/2 + RASTD~’ + RDl )

2. Test Equipmentl: Voltmeter

Assume Fluke 743B, DC Volts with Damping OFF or equivalent See 2.7.3, i.) 1.

Test Equipment Error Maximum (TEM) Contribution from Volt Meter TEM = +(0.042 + 0.02S2 + 0 ) ’ = f0.047% CS

3. Test EquipmentZ, Vacuum Standard

Assume: Fluke 700P05 (0 to 3Opsig) Accuracy = +0.05% span, Stability = kO.OI% span

Relative accuracy RA = k(Acc’ + Stabili$)”’ RA = k(0.05’ + 0.01’) ”’= f0.051% CS RASTDZ = + 0.02% CS (Assumed) RD2 = 0.0033% CS (digital readout, resolution) TEM = k(RA2 + RASTDZ’ + RD2 ) TEM = +(0.0512 + 0.022 + 0.0033’)’ = +0.055% CS


See 2.7.3 i.) 3

2 112

TEM Contribution from Calibration and Test Computer TEM=+(0.1 +0.02)=+0.12%FS

Temperature Switch

Temperature Temperature Element Transmitter


Safety Shutdown

Logic Relays -

4 Temperature switch / transmitter to SCIC

MCO ISOLATION AND PURGE

Safety Shutdown instrumentation - SCiC

(Safety Class)

TW Annulus lnleti

Figure 4.1 Temperature Switch / Transmitter Simplified Block Diagram

4.1.1 TW Annulus Water Temperature Setpoint Identification

The 50 "C TW Annulus Water Temperature parameter limit value is required for fuel cooling and is identified in the CVDF SAR. This trip results in contacts opening in the SCIC to de-energize the Tempered Water (TW) heater starter. The TW heater are normally controlled by the MCS through a separate starter box, power then is routed through the Train A, then Train B starters. Unless a fault condition (high temperature) occurs these SCIC starters remain closed allowing normal MCS control. This caused the 480VAC to be removed, thus de-energizing the water heater.


If a high TW (annulus) trip occurs during processing, the SCIC system shuts down the water heater. These actions are fully automatic and require no operator action.

4.3


Temperature Switch / Transmitter (TSH-1*28,1*29)

Name: Temperature Switch Manufacturer: Ashcroft Model Number: LTDN4KKOOO40 Type: Temperature Switch / Transmitter

4.3.2 Reference Specifications (SW-12 - Ashcroft)

Range: 20 - 95 "C (68 - 203 O F )

Repeatability: +1% span setpoint repeatability (SWPI-62 4/3/95 - Ashcroft) Accuracy: f l% span (assume same as repeatability) Calibration Interval: 1 month

(SW-12 - order choice - Ashcroft)

Temperature Switch / Transmitter



Safety Classification: Safety Class (SC) Performance Category: PC-I Environmental Qualification: Environmental Condition B NF" Design Requirements: NA Safety Functions: TSH-1*28 , I *29: TW isolation for H2 Explosion prevention; Runaway

Reaction Prevention (non-seismic)


A. Assumptions i.) ii.) iii.)

Calibrations performed at ambient 72 f 8 OF or 64 to 80 O F

Midmax temperature range is 40 to 115 "F Calibration Interval (TSH-1*28, 1*29) = 3 month

B. Calculation Verification i.)

ii.)

iii.)

iv.)

v.1

vi.)

Range u R L = 9 5 "C Zero = 20 "C span = 75 "C cs = 75 "C

Turn Down Ratio TDR = 1 (Fixed range, no TDR required)

Drift f 1% Span per month DR (TSH-1*28, 1*29) = k ( I 2 + 1' + 12)'" = (3*12) "' DR1.28 = f 1.73% CS (3 month Calibration)

Relative Accuracy (RA) Given: Accuracy = f 1% CS and Repeatability = * 1% CS

RA = ? 1.4% RA=+(12+ 1')"2


Basis: Temperature element is isolated from the process or exposed to environments with atmospheric pressure expected.


Basis: Water tight and corrosion resistant (Housed in NEMA 4,4X enclosure)

SNF-445 1 Rev. 3 Page 42 of 90 Temperature Switch / Transmitter

vii.)

viii.)

ix.)

x.1

xi.)

Temperature Effect (TE) Given: TE = f ( 1% span per 50 "F ambient temperature change T,,I = 72 + 8 OF (calibration temperature range) T,i, = 40 O F

T,,,=115"F Maximum Tdelta = T,,, - T,,,(lower) = 115°F - 64 "F = 5ldelta"F

T E = f 1%CS

Radiation Effect (RE) Given: Expected Dose Rate = 8.5mR/hr, Facility Design Life = 5 years

TID = 8.5 mR/hr * 43800 hr = 372,300 mR = 3.72 x 10' rads TID No Radiation Effect Data, assumed zero because relatively small dose Assume: RE = +0% CS

Life = 5*24*7*52 + 48 (leap years) = 43728

Power Supply Effect (PSE) Assume PSE = 0% CS



Test Equipment1 -AMETEK 140SE JOFRA dry block Accuracy = f0.3 "C Stability = +0.05 "C RAMTEI = Accuracy + Stability RAMTEI = 0.3 + 0.05 = 0.35 "C = 0.3Y0.75 CS = 0.47% CS RAMTEI = k 0.47% cs RAs~ol = +0.1 "C (NIST standard (RTD used for calibration) RASTDI =0.1 "C (100/75)=0.1% CS RDl = 0% CS (digital readout) SA1 = 0.1% CS

(Assume standard temperature setpoint accuracy equal to relative accuracy)

MTEl =(RAMTEI 2 + RASTDI~ + RDl' + SA1 2 ) 112

MTEl = (0.472 + 0.l2 + 0 + 0.l2)' = 0.5% CS

SNF-445 1 Rev. 3 Page 43 of 90 Temperature Switch / Transmitter

xii.)

xiii.)

xiv.)

Test Equipment2 : Fluke 743B, DC Volts Damping is OFF Calibration Temperature Range with no TempEffect: >18 and ~ 2 8 ° C

RAMTE~ = 0.025%*Rdg + 3*(0.005% FS) (Given: times 3 with damping OFF) (-64 to 80°F)

= O.O25%*CS + 0.015% FS = ?0.04% CS

RASTD~ = O.Ol%*Rdg + 3*0.005% FS (Use given Source Accuracy, Assume also *3 with Damping OFF)

= O.Ol%*CS + 0.015% FS = *0.025% CS

RD2 = 0% FS (digital readout) S A 2 = 0.1% CS (Assume Readout at trip can be determined with in 0.1”C)

MTE2 = (0.04’ + 0.025’ + 0’ + 0.1’) ’ = 0.1 11 % CS

SMTE = [MTEl’ + MTE2’ ] ’ = [ O S 2 + 0.1 11’ ] ’ = 0.52% CS

Setpoint setting accuracy

MTE2 = (RAMTEZ 2 + R A S T O ~ + RD2’ + SA2 2 ) I/’

SA = ?1.0% CS (Assume Ashcroft temperature setpoint setting accuracy is equal to the sensor relative accuracy)

Total Uncertainties

(TSH-1*28, 1*29) e+ = [RA’+ DR’ + SP’ + TEZ + HE’ + RE2 + PSE‘ + SE’ + SMTE’ + SA’] ’ + B

= [1.0’+ 1.73’+0+1’+0+0+0+0+0.52‘+1.0’]”’ + 0 = 2 S % C S e- = -[1.0’+ 1.732+0+ 12+O+O+O+O+0.522+1.02]’~z + 0 = - 2 S % C S

esens-1*~8 = +2.5% CS = f(0.025 * 75) = +1.88 “C

Channel Uncertainty (CU)

(TSH-1*28, 1*29) = +2.5% CS (calibration interval 3 months)

CUI.2s = ?2.5/100 * 75 = f1.88 “C (value rounded to 1.9)

Temperature Switch / Transmitter SNF-4451 Rev. 3 Page 44 of 90


A. Trip Setpoint - TW Annulus Water Temperature

The Analytical Limit (AL) is the maximum temperature allowable before the trip operates. The Trip Setpoint (TS). Given: AL = SO "C (with a margin of zero)

i.) TS = AL - (CU+ margin) TS,, 1'28 = SO -(1.88+ 0) = 48.12 "C (Calibration interval 3 months)

B. Allowable Value

The allowable value (AV) provides a threshold value that can be used to assess the instrument's expected performance when tested. The purpose for determining an AV is to provide a threshold value that can be used to assess the instrument's performance when tested. The Allowable Value setpoint trip margin (AVSTM)

i.) AV,, 1'28 = TS,, + ( S M T E ~ ~ + DR~)'" = TS,, + AVSTM 2 112 AV,,1.z8=48.12 +(0.522+ 1.73 ) 75/100=48.12+1.81*75/100

= 49.48 "C (calibration 3 months)

4.5

4.5.1 Temperature Switch Sensor/Loop

4.5.1.1 Ashcroft Temperature Switch

Safety Class Temperature Switch Calibration Requirements

A. Assumptions i.) ii.) CS = 75 "C iii.)

URL = 95 "C, Zero = 20 "C, Span = 75 "C

Calibrations performed at ambient 72 k 8 O F or 64 to 80 "F

B. Sensor Uncertainty i.) Relative Accuracy (RA)

Given: Accuracy = + 1% CS and Repeatability = f 1% CS RA= f ( 1 2 + 12)'" R A = + 1.4% CS

C. Tolerance Requirements i.) At switch setting

Tolerance = f 0.014* 75 "C = k 1.1 "C = * 2.0 "F

Temperature Switch / Transmitter SNF-445 1 Rev. 3 Page 45 of 90


RANGE Sensor Tolerance At switch setting f 1.1 "C/f 2.0 O F

4.5.1.2 Safety Class Loop Calibration

A. Tolerance Requirements i.) At switch setting

Tolerance = f 0.014* 75 "C = f 1 . 1 "C = + 2.0 "F

B. Loop Calibration Tolerance

RANGE Sensor Tolerance At switch setting f 1.1 OC/f 2.0 O F



1. Test Equipmentl: AMETEK 140SE JOFRA dry block

Accuracy = k0.3 "C, Stability = k0.05 "C RAMTEI = Accuracy + Stability = 0.3 + 0.05 = 0.35 "C = 0.35% CS RAMTEI = k 0.35% CS R&jTD[=k0.1 " c = o . 1 "c ( ~ 0 0 / ~ 0 0 ) = 0 . 1 % c ~ RDI = 0% CS (digital readout)

TEM Contribution from Temperature Standard

TEM = (0.352 + 0.l2 + 0')' = 0.36% CS

2. Test Equipment2 Fluke 743B, DC Volts, Damping is OFF

See 2.7.3, i.) 1.

TEM Contribution from Voltage Standard

TEM = (RAMT~; + uSTD22 + R D ~ 2 ) 112

TEM = (0.04' + 0.025' + 0' )' = 0.047 % CS

MCO Flow Transmitter

!

Flow Transmitter o. ,o vDc ~

Flow Element

! Processor

SNF- 4451 Rev. 3 Page 46 of 90

Analog ; MCS Voltage ! ~ (General Isolation lo. ,OVDC service) Module I

5 Minimum Purge Flow transmitter to SCIC

~ I ! !

: i Module

I I

Figure 5.1 FCI Mass Flow Transmitter Simplified Block Diagram

5.1 Setpoint Identification

5.1.1 PWC Low Purge Flow Alarm

This alarm signifies that, during the PWC Pre-purge or Post-purge, either there was a low- flow rate or the minimum time for the purge was not met. Manual operator action is required upon an alarm. This alarm function is defense-in-depth

5.2


Mass Flow Transmitter (FIT-1*20, FIT-1*21)

; a .......................................... +

Name: Mass Flow Meter Manufacturer: Fluid Components Inc. Model Number: LT87 Type: Mass Flow Transmitter

5.2.2 Reference Specifications (Specification 12/95- FCI Fluid Components, Inc.)

Range: 0 to 10 scfm Repeatability: 1.0% Rdg Accuracy for Air: f l % Full Scale or 3% Rdg Accuracy for Helium: ?I% Full Scale or 3.56% Rdg whichever provides better accuracy

(letter from D. Sieburt FCI 2/19/98) Inputloutput: 0 to 10 Volt output Calibration Interval: 1 year between calibrations

Safety Shutdown Instrumentation - sclc (Safety Class)

MCO Flow Transmitter SNF- 4451 Rev. 3 Page 47 of 90


Safety Classification: Safety Class (SC) Performance Category: PC-1 Environmental Qualification: Environmental Condition B NPH Design Requirements: N/A Required Safety Functions: Thermal Runaway and H2 Explosion prevention; Provides SCIC

trip inputs. Pressure boundary integrity (signal is non-seismic)



Calibrations performed at ambient 72 k 8 "F or 64 to 80 OF Minimax temperature range is 40 to 115 "F Calibration Interval = 1 year

B. Calculation Verification i.) Range

Zero = 0 scfm, Span = 10 scfm CS = 10 scfm URL = 10 scfm

ii.) Turn Down Ratio TDR = URUCS = 1

iii.) Drift (Qualification Report #708349 - FCI Fluid Components, Inc.) + 2.2% Full Scale (FS) per year DR = f 2.2% CS

iv.) Relative Accuracy (RA) Given: Accuracy = ? 1% FS or 3.56%Rdg for helium Repeatability = k 1% FS RA = f (1' + I*) % cs = * 1.4% cs (worst case)

v.) Static Pressure (SP) (Qualification Report #708349 - FCI, Inc.) SP effect = f 1% FS/50 psig SP = (Max pressure)(Static pressure effect) SP = (20 psig) (+ 1% FS/50 psig) SP = f 0.4% CS Note: This is listed as a bias.

vi.) Humidity Effect (HE) HE = 0% Calibrated Span

Basis: 0 to 100 % relative humidity. (Housed in NEMA 4 enclosure)


vii.) Temperature Effect (TE) Given: TE = f 0% CS

Basis: This device uses temperature compensation. The stated accuracy is maintained for a process temperature range of * 250 OF. Midmax expected temperature range is 40 to 115 OF

viii.) Radiation Effect (RE) Given: Dose Rate = 8.5mRihr, Facility Design Life = 5 years

Life = 5*24*7*52 + 48 (leap years) = 43728 Total Integrated Dose = 8.5 mWhr * 43800 hr = 372,300 mR

No Radiation Effect Data, assumed zero because relatively small dose Assume: RE = k0Y0 CS

ix.) Power Supply Effect (PSE) Assume: PSE = +0% CS

x.) Seismic Effect (SE) No credit for this device is taken during or after a seismic event SE = +0%

xi.) Sensor Measurement and Test Equipment Effect (SMTE)

Test Equipment1 ~ Original Calibration Values from FCI FCI calibration laboratory instrumentation Accuracy = 0.7% Rdg (NIST Traceable), Max Rdg = CS MTEl = 0.7% CS

Test Equipment2 - Fluke 743B, DC Volts Damping is OFF Calibration Temperature Range with no TempEffect: >18 and <28T

(-64 to 80°F) R A M T E 2 = O.O25%*Rdg + 3*(0.005% FS) (Given: times 3 with damping OFF)

= O.O25%*cs + 0.015% FS = k0.04% CS

RAs~o2 = O.Ol%*Rdg + 3*0.005% FS (Use given Source Accuracy, Assme also *3 with Damping OFF)

=O.Ol%*CS + 0.015% FS =+0.025% CS RD2 = 0% FS (digital readout) SA2 = 0.04% CS (Assume Relative Accuracy of volt meter)

MTE2 = (0.042 + 0.0252 + O2 + 0.042)'

2 112 MTE2 ( R A M T E ~ + R A s ~ o t + RD2' + SA2 )

= 0.062% CS

SNF- 445 1 Rev. 3 Page 49 of 90 MCO Flow Transmitter

Test Equipment3 - Resistance Decade Box Quadtech 1433-20, Overall accuracy = +(O.Ol% Rdg + 2 mQ) Assume accuracy is +0.1% CS or better MTE3 I +0.1% CS

Test Equipment4 - Fluke 743B, Resistance RAMTE~ = O.l%*Rdg + 1 0 0 (Range 11 .OOO k 0 , max Rdg = 2500)

RASTD~ = 0.1% (Assume 4 to 1 calibration) RD4 = 0% FS (digital readout) SA4 = 1.0% (Assume relative accurac of sensor) MTE4 = (RAMTE~ + RASTD? + RD4 + SA4 ) MTE4=(0.52 +0.1’ +02 +1.02)’ =1.13%CS

SMTE=f(0.72+0.0622+0.12+ 1.132)’%= 1,35%CS(worstcase)

= 0.5% (worst case)

2 Y 2 112

xii.) Total Uncertainties

e+ = [wZ+ D R ~ + T E ~ + HE’ + RE^ + PSE‘ + SE’ + SMTE’ 1 ‘ + SP

e- = -[RA’+ D R ~ + T E ~ + HE^ + m2 + PSE’ + S E ~ + SMTE’ 1 ’ + SP + 2.2’ + 0 + O2 + 0 + 0 + O2 + 0 + 1.35’1’” - 0.4

= [ 1 . 4 2 + 2 . 2 2 + 0 + 0 ’ + 0 + 0 + 0 2 + 0 + 1.352]’” +0.4 = 2.94 + 0.4 = 3.34% CS

=

= -2.94 - 0.4 = -3.34% CS

esens = f(esens.sl, + SP)= f3.34% CS

esens = +(0.0334)*10 scfm = f0.334 scfm




Name: Processor Module Manufacturer: Framatome Technologies Model Number: 1225275-002 Type: Signal Processing Module


5.3.1.2 Reference Specifications (1960501 5/95 - Framatome)

Range: 0 to 10 VDC Resolution: 14 bits (DAC) Drift: f 2 mVDC = f0.02% Full Scale Accuracy: fO.14% of Full Range (Analog Input)

Analog InpuVOutput: Range: 0.0 VDC to 10.0 VDC Calibration Interval: 12 months between calibrations

+0.1% of Full Range (Analog Output) (Note: Output not used.)


Safety Classification: Safety Class (SC) Performance Category: PC-3 Environmental Qualification: Environmental Condition B NF" Design Requirements: Seismic Condition C Required Safety Functions: H2 Explosion prevention; Runaway Reaction Prevention

Uncertainty Terms that Affect Setpoint Determination

A. Assumptions

5.3.3

i.) ii.) iii.) iv.) v.)

B. Channel Uncertainty Safety Class Trip Signal i.) Drift(DR)

Turn Down Ratio = 1 Calibrations performed at ambient 72 + 8 OF or 64 to 80 OF Midmax expected temperatures is 40 to 95 "F Calibrated Span (CS) = Full Scale = 10 VDC Processor Module input error calculation multiplier factor = 1

DRl =0.02 DR = + 0.02% CS

ii.) Relative Accuracy (FL4) Assume calculation error multiplier = p = 1 .O Given: FL4 = P*R&.,,

RA = +0.14% CS (for range 40 to 140 "F) = +(0.14% ) Full Range (for range 40 to 140 "F)

iii.) Static Pressure (SP) SP = 0% cs

Basis: Not a pressure sensor, not subject to the pressure effects of the process


iv.)

v.1

vi.)

vii.)

viii.)

ix.)



Temperature Effect (TE) Given: Reference accuracy is certified for range 40 to 140 O F

TE = 0% CS And expected range 40 to 95 “F)

Radiation Effect (RE) Given: Dose Rate = 8.5mR/hr, Facility Design Life = 5 years

Life = 5*24*7*52 + 48 (leap years) = 43728 Total Integrated Dose = 8.5 mRhr * 43800 hr = 372,300 mR

Assume: RE = kO% CS Because relatively small dose

Power Supply Effect (PSE) Given: Vender information

PSE = 0% No PSE while supply voltage maintained at 15 VDC f10%

Seismic Effect (SE) Device is qualified per IEEE 344-1987 to withstand 17 g seismic event Design Basis event is postulated as 0.26 g SE = 0%


Test Equipment1 : Fluke 743B, DC Volts, Damping is OFF Calibration Temperature Range with no TempEffect: >18 and <28T

Full Scale (FS) = 1OV Calibrated Span = 0 to 1 OV, Max Reading (Rdg) = 100 scfm = 1 OV

(-64 to 80°F)


RAsTol = O.Ol%*Rdg + 3*0.005% FS (Use given Source Accuracy, = O.O25%*CS + 0.015% FS = +0.04% CS

Assume also *3 with Damping OFF) = O.Ol%*CS + 0.015% FS = *0.025% cs

RDl = 0% FS (digital readout) SA1 = 0.14% FS (Assume equal to relative accuracy)

MTEl = (0.042 + 0.0252 + O2 + 0.14’)” = 0.15 % CS

2 2 112 MTEl =(RAMTEI + RAs~ol’ + RD1’ + SA1 )

SNF- 4451 Rev. 3 Page 52 of 90 MCO Flow Transmitter

Test Equipment2 : Framatome Calibration and Test Computer (CTC) RAMTEZ = 0.10% FS

= *O.lO% cs

= k0.02% cs RASTD2 = 0.02% FS

RD2 = 0% FS (digital readout) SA2 = 0.12% FS (Assume e ual to relative accuracy of CTC) MTE2 = (RAMTE~ + R A ~ T D ~ + RD22 + SA2 ). MTE2 = ((0.1 + 0.02}’ + O2 + 0.12*)’ = 0.17 % CS

SMTE2 = (MTEI2 + MTE22)” = (0.152 + 0.17’)’ = 0.23 % CS

Total Uncertainties - Safety Class Trip Signal

e+ = [DR2 + RA2 + SP2 + HE’ + TE2 + RE2 + PSE2 + SE2 + SMTE22 ] ’

2 2 112

x.)

= [0.02 + 0.14 + 0 + 0 + 0 + 0 + 0 + 0 + 0.232] ‘ I2 = 0.27% CS

%roc = f0.27% CS

5.4 Total Loop Uncertainty - Safety Class Trip Signal Loop

CU+ = [ e’ sens.sp + e Cv‘,, = [ 2.94’ + O.&’] ‘ I2 + 0.4 + 0 = 3.36 % CS CU,, = k3.36% CS

CU,, = k0.0336 *10 = k0.336 scfm

+ SPsms + B proc


A. Trip Setpoint The Analytical Limit (AL) is the minimum flow allowable before the trip operates. The Trip Setpoint (TS) Given: AL = 0.70 scfm (with a margin of zero)

i.) TS = AL + (CU+ margin) TS,, = 0.70 + 0.336 = 1.036 scfm (round trip to 1.1)

B. Allowable Value The allowable value (AV) provides a threshold value that can be used to assess the instrument’s expected performance when tested. The allowance between the trip setpoint and the AV includes Drift, instrument calibration uncertainties, and any additional instrument uncertainties during normal operation that are measured during testing. The purpose for determining an AV is to provide a threshold value that can be

SNF- 4451 Rev. 3 Page 53 of 90 MCO Flow Transmitter

used to assess the instrument’s performance when tested. The Allowable Value setpoint trip margin (AVSTM)

i.) AV,, = TS,, - (SMTEl’ + SMTE2’ + DR,’ + DR?)”’ = TS,, - AVSTM AV,, = 1.1 - 0.1*(1.35’ + 0.23’ + 2.2’+ 0.02’)’’’ = 1.1 - 0.26 = 0.84 AVSTM = 0.26 scfm

5.6

5.6.1 MCO Flow Transmitter Sensor/Loop

5.6.1.1 FCI Flow Transmitter

Safety Class MCO Flow Transmitter Calibration Requirements

A. Assumptions

i.) Calibrations performed at ambient 72 + 8 O F or 64 to 80 O F

B. Sensor Uncertainty

i.) Relative Accuracy (RA) Given: RA = f 1% FS or 3.56%Rdg for helium RA=f 1%CS

C. Calibration Tolerance

m o o * 10 = 0.1 scfm


RANGE Sensor Tolerance 0 to 10 scfm f 0.1 scfm

5.6.1.2 Loop Components

5.6.1.2.1 Framatome STAR System - Processor Module


Calibrations performed at ambient 72 + 8 “F or 64 to 80 OF Calibrated Span (CS) =Full Scale (FS) = 10 VDC

B. Channel Uncertainty i.) Relative Accuracy (RA)

RA = f0.14% CS


5.6.2 Safety Class Loop Calibration

A. Loop Tolerance (LT) Determination Range 510 s c h , Max Reading = 10 scfm, FS = CS = 10 scfm

LT =+ [RA; +RAprO:] ' =f [1.02 + 0.14'1 ' CS =+ 1.01 % CS LT = (1.01 * 10/100) = 0.1 scfm

RANGE LOOD Tolerance 0 to 10 scfm f 0.1 scfm



1. Test Equipmentl: Volt Meter

Assume Fluke 743B, DC Volts with Damping OFF, See 2.7.3 i.) 1. TEM = k(0.042 + 0.0252 + 0 )' = -L0.047% CS

2. Test Equipment2: Resistance Decade Box

Assume Accuracy fO. 1 YO CS or better TEM = +0.1% CS


Calibration and Test Computer See 2.7.3, i.) 3. TEM = +(0.1 + 0.02) = +0.12% FS

Refraction Technologies Seismic Recorders

Sensor ATR-5335

Seismic

SNF-4451 Rev. 3 Page 55 of90

, . . . .. . .. . .. . .. . . , .. .. .. . Buffering Panel : !

Logic 8 Relay : I BOX ~ Safety Class status i 8

R S . 4 8 5 , , ' ,

: ~

I ,

MCS (General serace1 I ,

(2 O Y t Of 3 Signal - Slg"al logic1

6 Seismic Monitors to SCIC

ATR-5537 MCO ISOLATION

I

Bay 2-4 Bay 2 nard w i r e d . Safety Shutdown (Safety Class1

' Control Room

Figure 6.1 Seismic Sensor Simplified Block Diagram

6.1 Seismic Setpoint Identification

The seismic monitoring trip design was based on the requirements:

1.)

2.)

3. )

To reduce the seismic qualification necessary for all instruments used by the SCIC for trip functions, and To allow the Mode Switch to be located in a non-seismically-qualified location (CVDF control room). To reduce the amount of seismically-qualified piping by providing isolation of non- qualified pipe during and after a seismic event.

A 0.06g value parameter limit is used to assure a seismic trip well in advance of a seismic event of significant magnitude, i.e., sufficient to break the VPS piping that is not part of the qualified primary MCO boundary. This feature allowed all the piping and instruments outside the isolation valves to be non-seismically qualified. The 0.06g level is at a point where most people would feel the effect but no damage would occur. This level is - 20% of the Design Basis Event (DBE) level of 0.26g.

6.1.1 Function

Inputs from SCIC system seismic monitors provide indication of a safety-class seismic event. Seismic sensor/recorders are used to detect, record, (non-safety class function) and trip on a seismic event exceeding the setpoint (parameter limit 0.06 g, triaxial, any direction). Auctioneering logic is used to preclude fault trips by locating each of three sensors in process bays 2,3, and 4 and by using two out of three (2/3) logic to initiate a Tempered Water (TW) trip and an MCO isolation and purge (IS0 & PURGE) trip. The seismic recorder and trip components must initiate a signal to the SCIC system upon ground motion acceleration above the setpoint in order to shutdown the CVD system until equipment is verified operational. However, the seismic trips are independent of other potions of the SCIC safety-class logic. The seismic trip directly controls the final output relay, which is either closed to allow power to the MCO isolation valves, TW heater, and PWC pumps (non-safety class function), or opened on a trip or loss of power.

Refraction Technologies Seismic Recorders



There are three seismic sensors/recorder: one each in Bay 2, Bay 3, and Bay 4. The two seismic logic and relay panels are located in Bay 1 to provide easy access for Operations and Maintenance. To reduce spurious trips, the three sensors are auctioneered ( 213 logic). If at least two of the three sensors alarm, a seismic trip occurs. A seismic trip de-energizes the TW heater, initiates an automatic IS0 & PURGE of the MCO and de-energizes the PWC circulating pumps (non-safety class). The Seismic trips are hard-wired and always remain active.

6.2.1 Design-basis event conditions

1. The seismic portion of the SCIC is always active and will initiate a trip during all modes if 2 out of 3 of the seismic recorders detect a seismic event that exceeds 0.06 g, triaxial, any direction.

6.3 Seismic Sensor (ATR-5235, ATR-5336, ATR-5437)

The sensor chosen to monitor seismic activity is a Refraction Technologies SSA Series 20 Servo Accelerometer with the GSR Strong Motion recorder.

6.3.1 Servo Accelerometer


Name: SSA Series 20 Servo Accelerometer Manufacturer: Refraction Technologies Inc. Model Number: SSA-320 (triaxial configuration) Type: Servo Accelerometer

6.3.1.2 Reference Specifications (Specification 12/95 - Terra Technology C o p )

Range: k2.0 g Linearity: kO.2% (over +1 g range) Drift: k0.05% yearly (Magnetic Stability) Temperature Effect: fO.O0024%/T (offset drift)

Temperature Limits: -4OOC to 70°C Digital Threshold Stability: f0.1% (Switch setting) System Threshold Stability: k3.0% (Switch setting) Cross Axis Sensitivity: 0.0005g/g InpuVOutput Noise: (RMS) 224E-6 g Calibration Interval: yearly

fO.O23%/OC (scale factor drift)

Refraction Technologies Seismic Recorders SNF-4451 Rev. 3 Page 57 of 90

6.3.2 Strong Motion Recorder


Name: Strong Motion recorder Manufacturer: Refraction Technologies Inc. Model Number: GSR Type: 12 bit

6.3.2.2 Reference Specifications (Specification 12/95 - Terra Technology Corp.)

Range: * 2.0- g Digitization Error: t 0.025% FS (12 bit) Temperature Effect: +O.O02%/"C (temperature dnft) Temperature Limits: -10°C to 60°C Calibration Interval: yearly


The project safety specifications for the seismic sensor include the following:

Safety Classification: SC Performance Category: PC-3 Environmental Qualification: Condition B NF" Design Requirements: Seismic Condition C : Maintain critical function before, during

Required Safety Functions: Seismic trip for H2 Explosion prevention and after Seismic event

Runaway Reaction Prevention



Calibrations performed at ambient 72 ?r 8 OF or 64 to 80 O F Midmax temperature range is 17 to 120 O F

Full Scale (FS) = Range

B. Sensor Uncertainty i.) Drift(DR)

DR1 =f0.05% DR = +0.05% FS

Refraction Technologies Seismic Recorders SNF-4451 Rev. 3 Page 58 of 90

ii.)

iii.)

iv.)

v.1

vi.)

vii.)

viii.)

Relative Accuracy (RA) (linearity) Given: Repeatability = f0.2% Reading (Rdg) (Worst case Rdg = 2.0 g)

Digitization Error = f0.025% FS Digital Threshold Stability: fO.1% * 0.05/2 Note: Assume switch setting System Threshold Stability: f3.0% * 0.05/2 is 0.05g and FS is 2.0g

RA = f [0.22 + 0.0252 +(0.1*0.05/2)2 + (3.0*0.05/2)2 1” = f 0.215% FS


Basis: Housed in sealed NEMA enclosure

Temperature Effect (TE) Given: TE,.,d = f0.00024% RdgPC (-40°C to + 7 0 T )

TE,,,j = +0.023% RdgPC TE,.,,j = k0.002% RdgPC

(-40°C to + 70°C) (-10°C to + 60°C)

T,,I = 72 f 8 “F (calibration temperature range)

Maximum Tdelta = T,,l(upper) - T,i, = 80 O F - 17’F = 63A°F = 35A”C T,i, = 17 “F

TE= [(35*TES.,d)’ + (35*TES.,,3)’ + (35*TEg.,d)Z]”

T,, = 120 OF

= [(0.000242 + 0.023’ + 0.0022)*352] ” = 0.808081% CS


Life = 5*24*7*52 + 48 (leap years) = 43728 Total Integrated Dose = 8.5 mRihr * 43800 hr = 372,300 mR

No Radiation Effect Data, assumed zero because relatively small dose Assume: RE = f O % FS

Power Supply Effect (PSE) Given: PSE = 0%

Seismic Effect (SE) SE = 0% (Designed for seimic activity and digital)

Sensor Measurement and Test Equipment Effect (SMTE) Test Equipment1 : Fluke 743B, DC Volts, Damping is OFF+

Calibration Temperature Range with no TempEffect: >18 and <28T

Full Scale (FS) = Calibrated Span = Max Reading (Rdg) (-64 to 80°F)

RAMTE~ = O.O25%*Rdg + 3*(0.005% FS) (Given: times 3 with damping OFF)

RASTD~ = O.Ol%*Rdg + 3*0.005% FS (Use given Source Accuracy, = O.O25%*CS + 0.015% FS = f0.04% CS

Assume also *3 with Damping OFF) = O.Ol%*CS + 0.015FS = f0.025% CS

SNF-4451 Rev. 3 Page 59 of 90 Refraction Technologies Seismic Recorders

RDl = 0% FS (digital readout) SA1 = 0.215% FS (Assume equal to relative accurcy) MTEl = (RAMTEI MTEl = (0.042 + 0.0252 + O2 + 0.2152) ’ = 0.220% CS

2 2 112 + RASTDI~ + RD12 + SA1 )

SMTE = k 0.220% CS

ix.) Total Sensor Uncertainties

e+ = [RA2+DR2 + TE2 + SP2 + HE2 + RE2 + PSE2 + SE2 + SMTE2 ] ’ + Bl+B2 e- = - [ M 2 + DR2+ TE2 + SP2 + HE2 + REz + PSE2 + SE2 + SMTE’ ] ’ + Bl+B2 e = [0.2152 + 0.052 + 0.8080812 + 0 + 0 + 0 + 0 + O+ 0.2202]” + 224E-6 g

+0.0005g/g*2.0g

e = +0.8661% FS + 1224E-6 g = 2z (0.8661/100 * 1.0 + 1224e-6) g

esens = +0.00990 g (Rounded to 0.01 g)


A. Trip Setpoint The Analytical Limit (AL) is the maximum seismic activity allowable before the trip operates. The Trip Setpoint (TS): TS = AL - (CU+ margin)

Given: Parameter Limit = 0.06, AL = 0.06

i.) TS = PL - (CU+ margin) TSsc = 0.06 - (0.01) = 0.05 g

B. Allowable Value The allowable value (AV) provides a threshold value that can be used to assess the instrument’s expected performance when tested. The allowance between the trip setpoint and the AV includes Drift, instrument calibration uncertainties, and any additional instrument uncertainties during normal operation that are measured during testing. The purpose for determining an AV is to provide a threshold value that can be used to assess the instrument’s performance when tested. The Allowable Value setpoint trip margin (AVSTM)

i.) AV,, = TS,, + (SMTE~ + D R ~ = TS,, + AVSTM AV,, = 0.05g + (0.2202 + 0.052)’’2 % FS = 0.05 + 0.002256 = 0.05238 AVSTM = 0.0023g

SNF-4451 Rev. 3 Page 60 of 90 Refraction Technologies Seismic Recorders

6.5

6.5.1

6.5.1.1 Reffek Seismic Recorder

Safety Class Seismic Recorder Calibration Requirements

Refraction Technology (Reffek) Seismic RecordedLoop

A. Assumptions

i.) Calibrations performed at ambient 72 f 8 "F or 64 to 80 "F


i.) Relative Accuracy (RA) Given: RA = + 0.215 % CS


0.215% CS /IO0 = 0.00215 g


RANGE Sensor Tolerance Switch 0.05 g f 0.00215 g

6.5.2 Safety Class Loop Calibration

A. Loop Tolerance (LT) Determination

RANGE LOOD Tolerance Switch 0.05 g f 0.00215 g




Assume Fluke 743B, DC Volts with Damping OFF or equivalent See 2.7.3, i.) 1.

TEM Contribution from Volt Meter TEM = +(0.04' + 0.025' + 0 )' = f0.047% CS

SNF-4451 Rev. 3 Page 61 of 90 MCO annulus water low-level switch

7 MCO Annulus Water Low-Level Switch to SCIC

Alarm Panel

Level

Switch SClC (Safety Class)

Annulus Water ~ / Control Room

Figure 7.1 Annulus Water Level Switch Simplified Block Diagram

7.1 Penberthy Level Switch (LSL-1*24,1*25)

The sensor chosen to monitor for MCO Annulus low-level is a Penberthy MULTIVIEWTM Magnetic Liquid Level meter with switch.

7.1.1

7.1.2

7.1.3

Instrument Data

Name: Magnetic Liquid Level meter with Switch Manufacturer: Penberthy, Inc. Model Number: MULTIVIEWTM with MGS-3 14 switch Type: Level Gage / Switch

Reference Specifications

Range: 0 to 12 in Minor Division: 0.5 in (4.2% CS) Switch Repeatability: 1t.0.03125 in (0.26% CS) Switch Deadband: 0.5 in (4.2% CS) Calibration Interval: 1 year between calibrations Operating Temp: -40°F to 365'F

Project Specifications

Safety Classification: Safety Significant (SC) Performance Category: PC-1 Environmental Qualification: Environmental Condition B NPH Design Requirements: none Required Safety Functions: MCO Low Level Alarm indication For Non-Seismic Events


7.2 Uncertainty Terms that Affect Setpoint Determination


Calibrations performed at ambient 72 k 8 "F or 64 to 80 OF Midmax temperature range is 40 to 115 "F Calibration Interval = 1 year


ii.)

iii.)

iv.)

v.1

xv.)

vi.)

vii.)

viii.)

Range = N/A for switch CS = N/A

Turn Down Ratio TDR = URLKS = 1 .O

Drift DR = f 4.2% CS (Assume equal to deadband)

Relative Accuracy (RA) Repeatability = 0.26% CS, Readability of gage = !4 Resolution = 2.1% CS RA = + (0.26' + 2.12)' = 2.12% CS


Basis: Temperature element is isolated from the process or exposed to environments with atmospheric pressure expected.


Basis: Water tight and corrosion resistant (Housed in NEMA 4 enclosure)

Temperature Effect (TE) Assume: TE = * 0% CS per OF over expected range

Basis: Switch specification temperature range: 4 0 to 365'F. Process midmax temperature range: 40 to 1 15°F



No Radiation Effect Data, assumed zero because relatively small dose Assume: RE = f O % CS

Power Supply Effect (PSE) PSE = 0% CS

Basis: Magnetic switch.


ix.) Seismic Effect (SE) No credit for this device is taken for a safety system shutdown during or after a seismic event SE = 0%


Test Equipment1 - MULTIVIEWTM Level gage Minor Divisions = 0.5 in = 4.2% CS

x.)

Use as Minor Division for SA since magnet/float location is imprecise (assume magnet used to pull float does not affect the switch).

RAMTEI = +2.1% CS (Assume RA = !4 minor division for resolution of gauge) RAs~ot = k1.05% CS (assume) RD1 = 2.1% FS (resolution) SA1 =4.2% CS MTEl = (RAMTEI’ + R A s ~ o l ~ + RDI’ + SA1 ) MTEl = (2.12 + 1.052 + 2.1’ + 4.2’)’ = 5.25% CS

2 112

SMTE = k5.25% CS

xi.) Total Sensor Uncertainties

e+ = [RA~+ D R ~ + sp2 + TE’ + HE^ + RE^ + P S E ~ + S E ~ + SMTE~ 1 ’ + B

e- = -[RA~+ D R ~ + sp2 + T E ~ + HE’ + RE^ + P S E ~ + SE’ + SMTE~ 1 % + B = [2.21* + 4.2’ + 0 + O2 + 0 + 0 + O2 + 0 + 5.252] ’ + 0 = 7.08% CS

= -[2.212 + 4.Z2 + 0 + O2 + 0 + 0 + O2 + 0 + 5.252] ’ + 0 = -7.08% CS

esens = f7.08% cs esens = k(0.0708)*12 in = k0.85 in = kl.0 in (Round up)


A. Trip Setpoint The Analytical Limit (AL) is the minimum level allowable before the trip operates. The Channel Uncertainty (CU) is the total error associated with the given channel. The Trip Setpoint (TS): TS = AL +(CU+ margin) Given: AL = 10% of gauge (useable portion of gage is 1 .O to 11.0 inch)

= 10%(11.0 - 1.0) = 1 inch (useable portion) = 1 inch (useable portion) + 1 inch (offset) = 2.0 inch (reading)

i.) TS,, = 2.0 (reading) + 1.0 (offset) = 3.0 inch (reading) = 2 inch (useable portion) = 20% (useable portion of gage)

SNF-445 1 Rev. 3 Page 64 of 90 MCO annulus water low-level switch

7.4

7.4.1.1 Penberthy Level Switch

Safety Significant Pressure Switch Calibration Requirements

A. Assumptions

i.) Calibrations performed at ambient 72 k 8 O F or 64 to 80 "F

B. Switch Uncertainty

i.) Relative Accuracy (RA) and !4 of dead band Assume: RA = * (Accuracy of gage' + Repeat2) ' = f 2.21% CS

!4 ofdeadband = k 2.1% CS Calculated: Switch Uncertainty = * 3.1% CS


3.1% CS *I2 /lo0 = 0.37 inch = 0.5 inch (rounded up for gage resolution)


RANGE Sensor Tolerance Switch f 0.5 inch on gage

7.4.2 Safety Significant Loop Calibration


RANGE Switch Tolerance Switch f 0.5 inch on gage


A. Sensor Measurement and Test Equipment Effect

Test Equipmentl: Ruler: Assume MULTIVIEWTM Level gage RAMTEI = +2.1% CS (Assume RA = $4 minor division for resolution of gauge) RAs~ol = f1.05% CS (assume) RDl = 2.1% FS (resolution) TEM=(RAMTEI~ +RAsrm* +RDl ) TEM= (2.12 + 1.052 +2.12)" = 3.15% CS =*3.15% CS = 0.378 inch TEM = k 0.5 inch (round up

2 112

Reotemp Bottle Pressure Gauge

8 Bottle Pressure Indicator for SCHe

SNF-4451 Rev. 3 Page 65 of90

~e Bonie PRESSURE

Figure 8.1 Reotemp Gauge Pressure Simplified Block Diagram

8.1 Gauge Pressure Indicator (PI-5*02, PI-5*21, PI-5*41, PI-5*61)

The sensor chosen to monitor pressure for the SC helium bottle pressure analytical limit is Gauge Pressure Indicators from Reotemp Instrument Corp.

8.1.1

8.1.2

8.1.3

Instrument Data

Name: Pressure Gauge Manufacturer: Reotemp Instrument Corp Model Number: PR-25-S-l-A-4-P34-D Type: Local Pressure Gauge


Range: 0 to 5000 psig Resolution: N/A Accuracy: +1.6% FS Calibration Interval: 1 year between calibrations


Safety Classification: Safety Class (SC) Performance Category: PC-3 Environmental Qualification: Environmental Condition B NPH Design Requirements: Seismic Condition A Required Safety Functions: Pressure boundary integrity, Post Accident Monitoring


A. Assumptions

i.) ii.) iii.)

Calibrations performed at ambient 72 k 8 "F or 64 to 80 O F Midmax temperature range is 40 to 115 O F Calibration Interval = 1 year

Reotemp Bottle Pressure Gauge

B. Calculation Verification


i.)

ii.)

iii.)

iv.)

v.1

vi.)

vii.)

viii.)

ix.)

x.)

xi.)

Range URL = 5000 psig Zero = 0 psig, Span = 5000 psig CS = 5000 psig

Turn Down Ratio TDR = URLKS = 5000/5000 = 1 .O

Drift Assume f55 psi= *1.1% DR = k 1.1% * (URLICS) = f 1 .l% CS

Relative Accuracy (RA) Given: RA = + 1.6% CS

Readability (Rd) Graduation increments 100 psi -readability = 50 psi Percent calibrated span = (50/5000)*100 = 1.0% CS

Static Pressure (SP) SP = 0% cs Humidity Effect (HE) HE = 0% Calibrated Span

Basis: 0 to 100 YO relative humidity. (Housed in sealed enclosure)

Temperature Effect (TE) Given: Operating Temperature -30 "F to 400 OF Assume: TE = k 0% URL




Power Supply Effect (PSE) PSE > 0% CS


SNF-4451 Rev. 3 Page 67 of 90 Reotemp Bottle Pressure Gauge

xii.) Sensor Measurement and Test Equipment Effect (SMTE)

Test Equipment1 -: Fluke 743B, DC Volts, Damping is OFF Calibration Temperature Range with no TempEffect: >18 and <28”C

(-64 to 80°F) RAMTEI = O.O25%*Rdg + 3*(0.005% FS) (Given: times 3 with damping OFF)

RAsr~l = O.Ol%*Rdg + 3*0.005% FS (Use given Source Accuracy, = O.O25%*CS + 0.015% FS = f0.04% CS


RDl = (0.1 psi/5000 psi)*lOO (digital readout, resolution)

SA1 = 0.08% CS (Assume twice RA MTEI) MTEl = (RAMTEI’ + RASTOI~ + RD12 + SA1 ) MTEl = (0.042 + 0.0252 + 0.0022 + 0.OS2)’ = 0.093% CS

Test Equipment2, Fluke Pressure Module 700P30 (sensor 0 to 5OOOpsig) Accuracy = +0.1% span, Stability = +0.01% span Relative accuracy of MTE2

RAs7.02 = f 0.02% CS (Assume) RD2 = 0.002% cs SA2 = 0.2% cs (Assume twice RA M T E ~ )

MTE2 = (RAMTE~ MTE2 = (0.10052 + 0.02’ + 0.0022 + 0.22)” = 0.225% CS

SMTE = (MTE12 + MTE22) ’ = (0,093’ + 0.2252)” = 0.247

= 0.002% FS (digital readout, resolution)

2 I/’

RAMTE2=(0.1’ + 0.01’)” =f0.1005% cs

2 2 112 + RASTDZ’ + IZI122 + SA2 )

xiii.) Total Sensor Uncertainties

e+ = [RA2+ DR2 + Rd2 + SP2 + TE2 + HE’ + RE2 + PSE2 + SE2 + SMTE’ ] ’’ +B = [1.62 + 1.1’ +1.0’ + 0 + O’+ 0 + 0 + O2 + 0 + 0.252]”2 + 0 ~ 2 . 1 9 8 % CS

e- = -[RA2+ DR2 + Rd2 + SP2 + TE2 + HE2 + RE2 + PSE’ + SE’ + SMTE’ ] ’ +B = -[1.6’+ 1.12 + 1.0’+ O + O2 + O + 0 + O2 + 0 + 0.252]”2 + 0=-2.198% CS

esens = &2.198% CS = +(0.02198)*5000 psig esms = f109.9 psig (Note: rounded value to 110 psig.)


A. Administrative Setpoint Given: AL = 1000 psi TS = 1000 + 110 = 11 10 psi

Minimum SC He bottle pressure 2 11 10 psi

SNF-4451 Rev. 3 Page 68 of 90 Reotemp Bottle Pressure Gauge

8.4

8.4.1.1 Reotemp Pressure Indicator (Local)

Safety Significant Pressure Indicator Calibration Requirements

A. Assumptions

i.) Calibrations performed at ambient 72 + 8 O F or 64 to 80 “F


i.) Relative Accuracy (RA) and Readability (Rd) RA=fl .6Y0CS Rd = + 1.1% CS


(1.6’ + 1.1’)”’% CS = 1.95% CS*5000 /lo0 = 98 psig (round up to 100 for Readability)


RANGE Sensor Tolerance 0 to 5000 psig k 100 psig




Assume Fluke 743B, DC Volts with Damping OFF,

TEM Contribution from Volt Meter TEM = f(0.04’ + 0.025’ + 0 ) ’ = f0.047% CS

See 2.7.3, i.) 1.

2. Test EquipmenQ: Pressure standard

Assume Fluke Pressure Module 700P30 (sensor 0 to 5OOOpsig) Accuracy = f0.08% span, Stability = f0.01% span RAMTEZ = ~(Acc’ + StabilitJ)”’

RASTD2 = f 0.02% CS (Assume) RD2 = (0.1 psi/5000 psi)*lOO (digital readout, resolution)

TEM = (RAMTE? + wsT022 + R D ~

= k (0.08’ + O.0l2)’ = f.081% CS

= O.O02%CS 2 112

TEM = (0.0812 + 0.02’ + 0.002’ ) ’ = 0.085% CS

Dwyer Differential Pressure Switch

pressure PreEIYre Elmml Swilch


HVAC (Pmcess Ba,

SUPPIY)

9 Differential Pressure Switch for HVAC

Helium

Figure 9.1 Dwyer Differential Pressure Switch Simplified Block Diagram

9.1 Pressure Switch (PDIS-8022,8042,8043)

The sensor chosen to monitor gauge pressure for the HVAC System differential pressure analytical limit is a Differential Pressure Switch from Dwyer.

9.1.1

9.1.2

9.1.3

Instrument Data

Name: Differential Pressure Switch Manufacturer: Dwyer Instrument Inc. Model Number: Series 3000MR Type: Differential Pressure SwitcNGage


Range: 0 to 5 in H20 Minor Division: 0.10 in HzO, 2% CS Accuracy: +2% FS Switch Repeatability: k l % Switch Deadband: 4 % FS Calibration Interval: 1 year between calibrations Operating Temp: 20°F to 120°F


Safety Classification: Safety Significant (SS) Performance Category: PC-2 Environmental Qualification: Environmental Condition A NPH Design Requirements: none Required Safety Functions: Confinement

(www.dwyer-inst.corn/pressure/98-lSp.html, 1998)

SNF-445 1 Rev. 3 Page 70 of 90 Dwyer Pressure Switch


A. Assumptions i,) ii.) iii.)

Calibrations performed at ambient 72 + 8 OF or 64 to 80 "F Minimax temperature range is 40 to 115 "F Calibration Interval = 1 year


ii.)

iii.)

iv.)

v.1

vi.)

vii.)

viii.)

Range URL = 5.0 in H2O Zero = 0 in H2O Span = 5.0 in H20 CS = 5.0 in H20

Turn Down Ratio TDR = URL/CS = 5.0/5.0 = 1.0

Drift (Assume) If: 0.2% DR = + 0.2% * (URL/CS) = k 0.20% CS

Relative Accuracy (RA) Assume: RA = If: (Accuracg + Repeat' + Deadband') "'* TDR

RA = + (2.0' + 1.0' + 1.02)' = k2.45

Static Pressure (SP) SP = 0% cs Humidity Effect (HE) HE = 0% Calibrated Span

Temperature Effect (TE) Given: TE = + 1 .O% per 50 "F ambient temperature change (Assume) T,,I = 72 k 8 "F (calibration temperature range) T,,, = 40 "F T,,,= 115 "F Maximum Tdelta = T,,, - T,,,(lower) = 1 15'F - 64 "F = 5 1 A'F TE = + 1 .O% URL(TDR)

Radiation Effect (RE) Given: k 8.0% URL at 2.2 x lo7 rads TID Given: Expected Dose Rate = 8.5mR/hr, Facility Design Life = 5 years

TID = 8.5 m R h * 43800 hr = 372,300 mR = 3.72 x IO2 rads TID Approximate as zero because relatively small dose RE = +O% cs

Life = 5*24*7*52 + 48 (leap years) = 43728

Dwyer Pressure Switch SNF-4451 Rev. 3 Page 71 of90

ix.) Power Supply Effect (PSE) PSE = 0% CS

x.) Seismic Effect (SE) No credit for this device is taken for a safety system shutdown during or after a seismic event SE = 0%

xi.) Sensor Measurement and Test Equipment Effect (SMTE)

Test Equipment1 -: Fluke 743B, DC Volts, Damping is OFF Calibration Temperature Range with no TempEffect: >18 and <28”C

(-64 to 80’F) R A M T E I = 0.025%*Rdg + 3*(0.005% FS) (Given: times 3 with damping OFF)

RASTDI = O.Ol%*Rdg + 3*0.005% FS v s e given Source Accuracy, = O.O25%*CS + 0.015% FS = 50.04% CS


RD1 = 0% FS (digital readout) SA1 = 1% CS (Assume set ability = !4 minor division for resolution of gauge) MTEl MTEl = (0.042 + 0.0252 + O2 + 1 .02) ’’ = 1 .O% CS

Test EquipmentZ, Fluke Pressure Module 700P01 (sensor 10 in. H2O) Accuracy = f0.30% span, Stability = ?0.05% Relative accuracy of MTE2 R A M T E 2 = (Acc’ + Stabilitg ) ‘ I2 +0.3% CS RASTD~ = f 0.10% CS (Assumed) RD2 = (0.01 in H20/10 in H20) * 100

S A 2 = 0.200% CS ( Assume equal to reference accuracy)

MTE2=(0.32 +0.1’ +0.1’ +0.22)”=0.39%CS

SMTE = [MTEI’ + MTE22 ]

2 li2 (RAMTEI~ + RASTDI~ + RD12 + SA1 )

= 0.1% CS (digital readout, resolution)

2 I/’ MTE2 = ( R A M T E ~ + RASTD; + RD22 + SA2 )

= [ 1 .02 + 0.392]”2 = 1.07% CS

xii.) Total Sensor Uncertainties

e+ = [m2+ DR’ + sp2 + T E ~ + HE’ + m2 + PSE’ + SE’ + SMTE~ 1 % + B

e- = -[RA~+ D R ~ + sp2 + T E ~ + HE^ + RE^ + P S E ~ + SE’ + SMTE~ 1 % + B

esens = k2.86% CS esms = ?(0.0286)*5 in H20 = f0.143 in H20

esens = k0.15 in H20 (Rounded up to consider resolution)

= [2.45’ + 0.22 + 0 + 1.0’ + 0 + 0 + O2 + 0 + 1.07’1’” + 0 = 2.86% CS

= -[2.45’ + 0.2’ + 0 + 1.02 + 0 + 0 + O2 + 0 + 1.072]1” + 0 = -2.86% CS

SNF-445 1 Rev. 3 Page 72 of 90 Dwyer Pressure Switch

9.3

9.3.1.1 Dwyer Differential Pressure Switch

Safety Significant Pressure Switch Calibration Requirements

A. Assumptions i.) Calibrations performed at ambient 72 f 8 O F or 64 to 80 “F


i.) Relative Accuracy (RA) 2 I12 Assume : RA = + (Accuracg + Repeat’ + Deadband )

Calculated: RA = * 2.45% CS


2.45% CS * 5 /lo0 = 0.15 inH20

D. Sensor/Loop Calibration Tolerance

RANGE Switch Tolerance Switch f 0.125 in H 2 0





TEM Contribution from Volt Meter TEM = f(0.042 + 0.0252 + 0 ) ’ = +0.047% CS

See 2.7.3, i.) 1.

2. Test Equipment2, Pressure standard

Assume: Fluke 700P01 (10 in H20) Accuracy = f0.3% span, Stability = f0.05% span Relative accuracy RA = +(Acc2 + Stabilit)r?)’” RA = +(0.32 + 0.OS2) ‘ I 2 = *0.304% CS RASTD~ = f 0.1 % CS (Assumed) RD2 = 0.1% CS (digital readout, resolution) TEM = +(RA2 + RAsTD~’ + RD2 ) TEM = i~(0.304~ + 0.1’ + 0.l2)’ = f0.34% CS

2 112

SNF-4451 Rev. 3 Page 73 of 90 Rosmount Differential Pressure Indicating Transmitter

10 Differential Pressure for HVAC Reference Air

Figure 10.1 Rosemount Differential Pressure Simplified Block Diagram

10.1 Differential Pressure Indicating Transmitters (PDIT-8*20B, 8080B)

The instrument chosen to monitor differential pressure for the Reference Air System is a Rosemount Model 305 1 Digital Pressure Transmitter.


Name: Digital Pressure Transmitter Manufacturer: Rosemount, Inc. Model Number: Model 3051 CD, Range 0 Type: Differential Pressure Indicating Transmitter

10.1.2 Reference Specifications

Range: -3 to 3 in HzO Accuracy: f0. 10% CS at 70°F Stability: k0.20% URL for 1 year[over k50°F] Ambient Temperature Effect: +(0.25% URL + 0.05% span) Static Pressure Effect: zero: f0.125% URL (can be calibrated out), span: k0.15% Rdg Vibration Effect: negligible except at resonance frequencies, then +O. 1% URL Power Supply Effect: less than +0.005% CS/volt RFI Effect: less than kO.1% span Operating Ambient Temp: -40 to 185'F Calibration Interval: 1 year between calibrations



Calibrations performed at ambient 70 f 5 "F or 65 - 75 "F Midmax ambient temperature range is 40 to 115 "F Normal Operating Temperature 70 f 1 OF

Rosmount Differential Pressure Indicating Transmitter

B. Calculation Verification i . )

ii.)

iii.)

iv.)

v.1

vi.)

vii.)

viii.)

ix.)


Range = -3 to 3 in HzO CSsoso~ = -0.5 to 0.5 in H2O (or -1 .O to 0.0 in H20) CSs*20B = -0.25 to 0.25 in H2O (or -0.5 to 0.0 in HzO)

Turn Down Ratio TDRsoso~ = URL/CS = 6.0/1.0 = 6 T D R s ~ o B = URL/CS = 6.0/0.5 = 12

Relative Accuracy (RA) Reference Accuracy includes hysteresis, linearity, setability, and repeatability. RA = f 0.10% cs Drift DR = f0.2 %URL*0.5 = f 0.2*TDR% DRsoso~ = f 0.2*6*0.5 = f 0.6% CS DRS*ZOB = + 0.2*12*0.5 = f 1.2% CS

Basis: Use half of the Stability = f0.2 %URL over f50"F since expected worst case temperature range is +lO°F.

Static Pressure (SP) Given: Zero: O.l25%URL/lOOO psi, Span: 0.15% Rdg/100 psi SP = 0.15*14.7/100 = O.O221%CS

Basis: Static Pressure effect of the zero can be calibrated out.


Basis: NEMA 4X enclosure

Temperature Effect (TE) per 50 "F i.e. 70°F + 50°F = 20°F to 130°F Given: +(0.25% UFU + 0.05% CS)*20/50 "F, Worst case expected range +10"F TEsoso~ = +(0.25*6 + 0.05) % cs * 2/5 = +0.62% cs TEs*zo~ =f(0.25*12 + 0.05) % CS * 2/5 = f1.22%CS



No Radiation Effect Data, assumed zero because relatively small dose Assume: RE = ?O% CS

Power Supply Effect (PSE) Given: Power supply effect < k0.005% CSlvolt, Assume variation = k1.0 V PSE = 0.005% CS


x.1

xi .)

xii.)

xiii.)

Vibration Effect (VE) Given: VE = +0.1% URL at resonance, negligible otherwise VEROROB = +0.1*6% CS = fO.6% CS VEs*zon=+0.1*12% c s = f1.2% CS

RFI Effect (RFI) RFI < f0.1% cs Seismic Effect (SE) No credit for this device is taken for a safety system shutdown during or after a seismic event SE = 0%


Test Equipment1 -: Fluke 743B, DC Volts, Damping is OFF Calibration Temperature Range with no TempEffect: >18 and <28T

(-64 to 80°F)

RAMTEI = O.O25%*Rdg + 3*(0.005% FS) (Given: times 3 with damping OFF)

R A ~ T D ~ = O.Ol%*Rdg + 3*0.005% FS (Use given Source Accuracy, = O.O25%*cS + 0.015% FS = f0.04% CS


RD1 = 0% FS (digital readout) SA1 =Assume set ability equals (RA’ + (TE/10)2) ’ {Assume temperature effect

SAlnono, = (0.1’ + (0.62/5)2)’ = 0.160% CS SA18.20B = (0.1’ + (1.22/5)2)” = 0.264% CS

MTElnono, = (0.042 + 0.025’ + 0’ + 0.1602)’

MTEl,.,,, = (0.04’ + 0.02S2 + O2 + 0.2642) ’

is linear and can be reduced for a temperature range i.e. for 70” flO}

2 112 MTEl = + RASTDI’ + RD1’ + SA1 )

= 0.167% cs = 0.269% CS

Test Equipment2, Fluke Pressure Module 700P01 (sensor 10.0 in. HzO) Accuracy = +0.3% span, Stability = fO.O5% span

Relative accuracy = ~(Acc’ + StabilitJ)”’ 2 112= R A M T E 2 = f(0.3’ + 0.05 ) +_0.304% cs

R A S T 0 2 = + 0.10% cs RD2 = 0% (Digital) SA2,,,,, = (0.l2 + (0.62/5)2)’ = 0.160% CS SA2,.,,, = (0.1’ + (1.22/5) ’) ’ = 0.264% CS


MTE2 = ( ~ M T E Z 2 + RASTO; + RD22 + SA2 2 ) I12

MTE2,,,,, = (0.3042 + 0.l2 + O2 + 0.1602)’

MTE2,.,,, = (0.3042 + 0.1’ + O2 + 0.264’)’’ = 0.358% CS

= 0.415% CS

SMTE = (MTE12 + MTE22) ’ SMTE8,,,, = (0.1672 + 0.358’) ’ = ?0.396% CS SMTE,*,,, = (0.2692 + 0.4152) ’ = k0.495% CS

xiv.) Total Sensor Uncertainties

e + 80808 = [RA2+DR2+SP2+HE2+TE’+RE2+PSEZ+VEz+W12+SE2+SMTE2] ’ + B = [0.12+0.6’+0.02212+02 +0.622+02 +0.0052 +0.62 +0.l2+O2+ 0.3962]”2 +O = 1.14% CS

= -[0.12+0.62+0.02212+02+0.622+02+0.0052+0.62+0.12+02+ 0.3962]”2 +O = -1.14% CS

e-8osoe = -[RA2+DR2+SPZ+HE2+TE2+RE2+PSE2+VE2+WI2+SEz+SMTE2] ’ + B

esosoesms = ?1.2% (round up for readout)

esosossens = f1.2%/100*1.0 in H2O = +0.012 in HzO

e + 8.zo, = [RA2+DR’+SP2+HE2+TE2+RE2+PSE2+VE2+W12+SE2+SMTE’] ’ + B = [0.l2+ 1.22+0.02212+02+1.222+02+0.0052+1.22+0.12+02+ 0.4952]”’ +O =2.16% CS

= -[0.12+1.22+0.02212 +02+1.222 +02+0.005’ +1.22+0.12 +02+ 0.4952]’” +O = -2.16% CS

e-8.z08 = -[RA2+DR2+SP2+HE2+TE2+RE2+PSE’+VE2+WI2+SE2+SMTE’] ’ + B

e80sossms = ?2.2% (round up for readout)

= ?2.2%*0.5 in H20 = kO.011 in HzO


A. Trip Setpoint The Analytical Limit (AL) is the maximum pressure allowable before the alarm operates. The Trip Setpoint (TS): TS = AL - (CU+ margin) Given: AL = 0 and margin = 0.001 for resolution

i.) Ts = 0 - (0.012+0.001) = 0 - 0.013 in H20 = -0.013 in H20 (safety significant)

SNF-445 1 Rev. 3 Page 77 of 90 Rosmount Differential Pressure Indicating Transmitter


i.) AV = TS + [(SMTE2)’”] = TS + AVSTM

AVEOEoBSen = -0.013 inHz0 + 0.396% CS = -0.013 + 0.00395 = -.00905 in H20 AVSTM,,80Bsen = AV - TSsc = 0.00396

AVs.ioacn = -0.013 inHz0 + 0.495% CS = -0.013 + 0.00248 = -.01053 in HzO AVSTM80,0,sen = AV - TSsc = 0.00248

10.4 Safety Significant Flow Switch Calibration Requirements

10.4.1 Rosemount Differential Pressure Gage

A. Assumptions

i.) Calibrations performed at ambient 72 * 8 “F or 64 to 80 OF


i.) Relative Accuracy (RA) RA=kO.l% cs


(RA‘ + 0.8*DRZ + VE’ )’ % CS Include 80% of the drift. Le., assume that normal temperature variations are f 1 OOF, and 100% vibration effect since negligible unless at resonance.

for PDIT 8080B = (0.l2 + (0.6*0.8)’ + 0.6’) ’ % CS = 0.8% CS = 0.8/100 * 1 in H20 = 0.008 in H20

for PDIT 8*20B = (0.1*+ (1.2*0.8)’+ 1.2’)’ % CS = 1.54% CS = 1.54/100 * 0.5 in H20 = 0.008 in H2O


RANGE Sensor Tolerance -0.5 to 0.5 in H20 -0.25 to 0.25 in H20

* 0.008 in HzO k 0.008 in H20




RANGE Loop Tolerance -0.5 to 0.5 in H20 -0.25 to 0.25 in HzO

f 0.008 in H20 * 0.008 in H20





TEM Contribution from Volt Meter TEM = *(0.04' + 0.0252 + 0 ) ' = *0.047% CS

See Section 2.7.3, i.) 1.


Assume: Fluke 700P01 (10 in HzO), See Section 8.3.2,2.

TEM Contribution from Pressure standard TEM = -t(0.304* + 0.l2 + 0.1')' = k0.34% CS

Dwyer Flow Switch

~ Flow Flow Elmml Switch


HVAC

S"PPlY1 (ProcerrBay

11 Flow Switch for HVAC

11.1 Flow Elements (FE-8*07,8*52) and Flow Indicating Switches (FIS-8*07,8*52)

The flow element chosen to monitor flow for the HVAC System is a Dwyer DS-300-10". The flow indicating switches are a Dwyer Photohelic Model A3000 with a range based on the flow element and a SCFM scale.

1 1.1.1 Instrument Data

11.1.1.1 Flow Element (FE-8*07, 8*52)

Name: Series DS-300 Averaging Flow Sensors Manufacturer: Dwyer Instrument Inc. Model Number: DS-300-10". Type: Flow Element

11.1.1.2 Flow Indicating Switch (FIS-8*07, 8*52)

Name: Photohelic Pressure Switch Manufacturer: Dwyer Instrument Inc. Model Number: Model A3000 Type: Pressure SwitcNGage


1 1.1.2.1 Flow Element

Range: N/A Accuracy: depends on variations in assumed values

Static Line Pressure (P = 14.7psi) and Temperature (T = 70" F) Flow Coeff. (K=0.7), Inside Dia. of line (D = 9.875 inch, Schedule 40)

Calibration Interval N/A Operating Temp: up to 200'F

SNF-4451 Rev. 3 Page 80 of 90 Dwyer Flow Switch

11.1.2.2 Flow Indicating Switch

Range: 0 to 1500 scfm Resolution: (Variable) 20 s c h at upper end of range Accuracy: f2% FS at 70'F Dead band: < 1% FS Calibration Interval: 1 year between calibrations Operating Temp: 20 to 120°F


A. Assumptions

i.) ii.) iii.)

Calibrations performed at ambient 70 f 10 OF or 60 to 80 OF Minimax ambient temperature range is 40 to 115 O F Calibration Interval = 1 year


i.)

ii.)

iii.)

iv.)

v.)

vi.)

Range = 0 to 1500 cfm CS = 1500 cfm

Turn Down Ratio TDR = URL/CS = 1 .O

Drift DR= 100*100/1500 DR= 4 6.7% CS

Basis: Assume equal to 100 scfm Bias seen on test gage.

Relative Accuracy (RA) Assume: RA = f (Accuracy of gage at 70°F + Readability 2)1'2

RA = k (2.02 + 1.3 2)1'2 = f 2.4% CS at 70'F


Basis: Rated to 25 psi


Basis: NEMA 4 enclosure

Dwyer Flow Switch SNF-445 1 Rev. 3 Page 8 1 of 90

vii.)

viii.)

ix.)

x.)

xi.)

xii.)

Pressure Effect (PE) Given: Q(scfm) = 128.8*K*D2*SQRT[P*AP/((T+460)*S,)1

Assume: Atmospheric Pressure - Static Line Pressure = 14.3 + 0.5 psi

PE = f 2% CS

K = 0.7, D = 9.875 in, T = 70 “F, S, = 1.0

(Hanford Weather Station- 1.21 in WC)

Temperature Effect (TE) Given: Q(scfm) = 128.8*K*D2*SQRT[P*AP/((T+460)*SJ]

K = 0.7, D = 9.875 in, P = 14.7 psi, S, = 1.0 Assume: HVAC maintains air at 70f10 “F (worst case) TE=+l.O%CS



No Radiation Effect Data, assumed zero because relatively small dose Assume: RE = fO% CS

Power Supply Effect (PSE) PSE = 0% CS



Test Equipment1 -Pitot Tube Accuracy = 1% Rdg (NIST Traceable) Parameter Limit = 1000 scfm Calibrated Span = 1500 scfm MTEl = +1% CS (assume)

Test Equipment2, Fluke Pressure Module 700P01 (sensor 10 in. H20) Accuracy = k0.30% span, Stability = f0.05% Relative accuracy of MTE2 RAMTE~ = (Acc’ + Stabilit? ) RASTD~ = + 0.10% CS (Assumed) RD2 = (0.01 in H20/10 in H2O) * 100

SA2 = 2.6% CS (Assume equal to (RA2 + TE )

+0.3% CS

= 0.1% CS (digital readout, resolution) 2 I12

SNF-4451 Rev. 3 Page 82 of 90 Dwyer Flow Switch

MTE2 = (RAMTE; + RASTD? + RD22 + SA2 2 ) 112

MTE2 = (0.3’ + 0.1’ + 0.1’ + 2.6’)’ = 2.62% CS


(-64 to 80°F) RAMTE3 = 0.025%*Rdg + 3*(0.005% FS) (Given: times 3 with damping OFF)

R A s T D 3 = O.Ol%*Rdg + 3*0.005% FS (Use given Source Accuracy, = O.O25%*cs + 0.015% FS = f0.04% CS


RD3 = 0% FS (digital readout) SA3 = 0.04% CS (Assume relative accuracy)

MTE3 = (0.042 + 0.0252 + O2 + 0.042)’/1 MTE3 = (UMTE~’ + R A s ~ 0 3 ~ + RD32 + SA3 2 ) 112

= 0.062% CS

SMTE = (MTEl’ + MTE2’ + MTE32) ’ = (1’ + 2.622 + 0.0622)’/1

SMTE = k2.81% CS


e+ = [RA’+ D R ~ + sp2 + HE’ + P E ~ + T E ~ + RE’ + P S E ~ + SE’ + SMTE’ 1 + B = [2.42 + 6.72 + O2 + 22 + l 2 + O2 + 0’ + 0’ + 2.812]”2 + 0 = 7.98% CS

= - [2.4’+ 6.7’+ O2 +22 + 1 2 + O2 + O2 + O‘+ 2.812]’” + 0 =-7.98% CS e- = - [U2+ DR2 + SP2 + HEZ + PEZ+ TE2 + RE2 + PSE‘ + SE’ + SMTE’] ’ + B

esens = 7.98% CS = 0.0798*1500 = 119.7 scfm (Round up for readability)

esens = +0.08*1500 scfm = k120 scfin


A. Trip Setpoint The Analytical Limit (AL) is the minimum flow allowable before the trip operates. The Trip Setpoint (TS): TS = AL +(CU+ margin) Given: AL = 1000 scfm

i.) TS,, = 1000 + 120 = 1120 scfm (safety significant)

Dwyer Flow Switch SNF-445 1 Rev. 3 Page 83 of 90


i.) AV = TS - [(SMTE’ + Rd’)”’] = TS - AVSTM AV = 1120 - 3.1 1% CS = 1120 - 50 (roundup 47 to readable value) = 1070 scfm AVSTM = TS,, - AV = 1120 - 1070 = 50 scfm

11.4 Safety Significant Flow Switch Calibration Requirements

11.4.1 Dwyer Flow Switch

A. Assumptions

i,) Calibrations performed at ambient 70 f 10 “F or 60 - 80 “F


ii.) Relative Accuracy (RA) RA =f 2.4% CS


2.4% CS *I500 /lo0 = 36 scfm E 40 scfm (Round up for read ability)


RANGE Sensor Tolerance Switch f 40 scfm


B. Loop Tolerance (LT) Determination

RANGE LOOR Tolerance Switch f 40 scfm

. .

Dwyer Flow Switch SNF-4451 Rev. 3 Page 84 of 90



1. Test Equipmentl, Flow standard

Assume Pitot Tube (NIST Traceable flow equipment) Error contribution = +1 .O% span

TEM = 1.0 % CS


Assume: Fluke 700P01 (10 in HzO) Accuracy = +_0.3% span, Stability = f0.05% span

Relative accuracy RA = +(Act' + Stabilit~)’” RA = f(0.3‘ + 0.05’) ”’ = ?0.304% CS RAs~oz = + 0.1% CS (Assumed) RD2 = 0.1% CS (digital readout, resolution) TEM = +(RA’ + RAsTo~’ + RD22) ’‘ TEM = +_(0.304’ + 0.1’ + 0.1’)’ = ?0.34% CS

3. Test Equipment3: Volt Meter


TEM Contribution from Volt Meter

TEM = k(0.04‘ + 0.025’ + 0 ) ’ = ?0.047% CS


SNF-445 1 Rev. 3 Page 85 of 90 Ashcroft Pressure Gauge

12 Differential Pressure Indicator for Compressed Air

Figure 12.1 Ashcroft Pressure Indicator Simplified Block Diagram

12.1 Pressure Indicator (PI-5*20)

The instrument chosen to monitor pressure for the Compressed and Instrument Air System is a Ashcroft Type 1009 Pressure Gauge.


Name: Duralife Pressure Gauge Manufacturer: Ashcroft Model Number: 25-1009AW Type: 1009 Pressure Gauge


Range: 0 to 160 psig Accuracy: +1.0% FS Minor Divisions: 2 psig (1.25% FS) Temperature Range: -50 to 150 "F



Calibrations performed at ambient 72 f 8 O F or 64 - 80 OF Midmax ambient temperature range is 40 to 115 O F


i.) Range Range = 0 to 160 psig

ii.) Turn Down Ratio TDR = URL/CS = 1.0/1.0 = 1

Ashcroft Pressure Gauge SNF-4451 Rev. 3 Page 86 of 90

iii.)

iv.)

v.1

vi.)

vii.)

viii.)

ix.)

x.1

xi.)

xii.)

Relative Accuracy (RA) Accuracy = k 1.0% FS given = 1.6 psig, but minor divisions 1.25% FS RA = = f 1.25% CS

Drift DR = *1.5% FS (Assumed)

Readability (Rd) Rd = +0.625% FS (half of minor divisions)


Basis: Operated within pressure range

Humidity Effect (HE) HE = 0% CS Basis: NEMA 4X enclosure

Temperature Effect (TE) TE = ? 0% CS




Power Supply Effect (PSE) PSE 0% CS




(-64 to 80°F) RAMTEI = O.O25%*Rdg + 3*(0.005% FS) (Given: times 3 with damping OFF)

= O.O25%*CS + 0.015% FS = *0.04% CS

SNF-445 1 Rev. 3 Page 87 of 90 Ashcroft Pressure Gauge

RASTOI = O.Ol%*Rdg + 3*0.005% FS (Use given Source Accuracy, Assume also *3 with Damping OFF)

= O.Ol%*CS + 0.015FS = +0.025% CS RDl = 0% FS (digital readout) SA1 = 0.04% CS MTEl = (RAMTEI MTEl = (0.04’ + 0.025’ + 0’ + 0.04’)’

2 2 I/’ + RASTOI’ + RD1’ + SA1 )

= 0.062% CS

Test EquipmentZ, Fluke Pressure Module 700P07 (sensor 500 psi) Accuracy = +0.05% span

RAiWTE2 = +O.O5% cs RASTD’ = * 0.01% cs RD2 = 0% (Digital) SA2 = 1.25% CS (Assume e ual to RA)

MTE2 = (0.052 + 0.Ol2 + 0’ + 1.25’)’ MTE2 = (RAMTE? + R A s T D 2 9 + RD2’ + S A 2 2 ) l i2

= 1.251% CS

SMTE = (MTEI’ + MTE22)’ = (0.0622 + 1.251’)’

SMTE = f1.253% CS


e+ = [RA2+DR2 + Rd2 +SP’ +HE2 +TE’ +RE2 +PSI. tSE2+SMTE2 ] ‘’ + B = [1.252+1.52+0.6252 + 0 2 + 0 2 + 0 2 + 0 2 + 0 2 + 0 2 + 0 2 +02+ 1.2532]’’2+0

2.403% cs e- = - [ u 2 + ~ ~ ’ + Rd’ +SP2 +HE’ +TE’ +RE’ +PSE2 +SEZ+SMTE2 ] ’ + B

= _ [1.252+1.52+0.6252 + 0 2 + 0 2 + 0 2 + 0 2 + 0 2 + 0 2 + 0 2 +02+ 1.2532]”’+0 = -2.403% CS

esms = +2.403%*160 psig = f3.85 psig (round up to readability)

esens = f 4 psig


NIA

SNF-4451 Rev. 3 Page 88 of90 Ashcroft Pressure Gauge

12.4 Safety Significant Differential Pressure Calibration Requirements

12.4.1 Rosemount Differential Pressure Gage

A. Assumptions i.) Calibrations performed at ambient 72 + 8 “F or 64 - 80 OF


i,) Relative Accuracy (RA) RA=*1.25%CS


1.25% CS *160 1100 = 2 psig


RANGE Sensor Tolerance 0 to 160 psig f 2 psig





TEM Contribution from Volt Meter TEM = +(0.04’ + 0.025’ + 0 ) ’ = f0.047% CS


2. Test Equipment2: Pressure standard

Assume: Fluke Pressure Module 700P07 (sensor 500 psi) Accuracy = t0.05% span

R A M 7 E 2 f0.05% CS RAsTDZ = k 0.01% cs RD2 = 0.033% (Digital)

TEM2 = (0.05’ + 0.01’ + 0.0033’) ’ TEM2 = (RAMTE? + RAsm? + RD2’) I”

= 0.051% CS

References SNF-4451 Rev. 3 Page 89 of 90

13 References

13.1 Standards

1. ISA-S67.04, Part I, Setpointsfor Nuclear Safety-Related Instrumentation, Instrument Society of America, 1994

13.2 Vender Information

1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.

Bulletin 400-10/96, 1996 - MKS Instruments, Inc.) letter from R. Traverso MKS Applications Engineer 1/26/98 1960501R 5/96 - Framatome Technologies FTI-99-1537, letter from J. Scecina, Product Engineer, 5/5/99 PDS 4302 April 1992 - Rosemount Nuclear SWIPI-62 4/3/95 - Ashcroft SW-12 - Ashcroft letter 11/10/97 from H. Sittinger App Engineer FCI Qualification Report #708349, 8/20/84 - FCI Fluid Components, Inc.) Specification 12/95 - Refraction Technology Corp. www.dwyer-inst.comlpressure/98-18p.html, 1998 www.dwyer-inst.comlflow/98-22f.html, 1998

13.3 HANFORD

1.

2.

3.

SNF-3091, 1999, Cold Vacuum Drying Safety Class Instrumentation and Control System Design Description, Rev. 1, Fluor Hanford, Inc., Richland, Washington. HNF-1851, Cold Vacuum Drying Residual Free Water Test Description. Fluor Hanford, Inc., Richland, Washington. HNF-SD-SNF-DRD-002, Rev.4, Cold Vacuum Drying Facility Design Requirements, Fluor Hanford, Inc., Richland, Washington.

Reviewer Verification Matrix SNF-445 1 Rev. 3 Page 90 of 90

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