ML20199H053
| ML20199H053 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 10/10/1995 |
| From: | Ming Li, Sullivan J STEVENSON & ASSOCIATES |
| To: | |
| Shared Package | |
| ML20199G986 | List: |
| References | |
| REF-GTECI-A-46, REF-GTECI-SC, TASK-A-46, TASK-OR C-016-01, C-016-R00, C-16-1, C-16-R, NUDOCS 9802040401 | |
| Download: ML20199H053 (19) | |
Text
{{#Wiki_filter:_ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ - i Client: Northern States Power Company Calculation No. C-016
Title:
Seisrnic Analysis of Standby Diesel Generator Day Tank T-45A and B Project: Monticello USl A-46 Method: Hand Calculation Acceptance Criteria: GIP, AISC ASD 9th Edition, and ACI 318-89
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(/ CALCULATION CONTRACT NO. COVER SHEET 91C2687 Stevenson & Associates FIGURE 1.3 900204040'1 900115 PDR ADOCK 05000263
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CAL. NO. 91C2637 C-016 SHEET #1 of 10
SUBJECT:
fAontio;llo A46 Rsvision 0 Stevenson & Associates Seismic Analysis of Standby Diesel By fASLI 10/2/95 a structural. mechanical Generator Day Tank T-45A and B Chk. JOS 10/3/95 consuning engineerhg firm Table of Contents 1.ObjectlVe................................................................................................................................2 2.AnalysisInput..............................................................................................................................2
- 3. Assumptions...................................................................................................................................2
- 4. Analysis...........................................................................................................................................2 4.1 Configuration.....................................................................................................................................3 4.2 Fun dam on tai Froquen cIes of th e Tank............... .............................................................................. 4 4.2.1 Verticaland Transverse Directions..... ........................,......................4
. 4.2.2 Longitudinal Direction.... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .......4
- 4. 3 Sp ectraI A cc oIera tion s .......................................................................... ... .................... ..................... S
- 4. 4 S eIs m Ic D e m a n ds .... ................ ... . ... ...... ................. ........ ...... ... ...... .......................... . .... ......... . . ..
4.4.1 Anchar Bott.... .... . . .... ..... ..... . . . . . . . . ................................ ....................S 4.4.2SaddIe......................................................................................... ..........6 4.4.3 Concrete Pier... ...... . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...................... .......6 4.SCapacIties...................................................................................................................................6
................,,.........6
- 4. 5.1 Anchor Bolt..... .. .. ... . . ... . ..... . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.....................8 4.S.2 Saddle. . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..................................... . .. B 4.S.3 Concrate... ... ..... . . . . . . . . . . . . . . . . . . . . . . . . . . . .....
- 4. 6 Cap a cItIos vers us D em a n ds .......... ......... ....................................................................................... 9 5.ConcIuslon......................................................................................................................................9
- 6. Reference..................................................................................................................................10
CAL NO. 91C2687 C-016 SHEET #2 of 10
SUBJECT:
Monticello A-46 Revision 0 Stevenson & Associates Seismic Analysis of Standby Diesel By MSLl 10/2/95 a structural-mechanical Generator Day Tank T-45A and B Chk. JOS 10/3/95 < consulting engineering firm
- 1. Objectivo The objective of this calculation is to assess the structuralintegrity of Standby Diesel Generator Day Tank T-45A and B at Monticello Nuclear Generating Plant during the event of Safety Shutdown Earthquake (SSE).
- 2. Analysis input Tank T-45A & B The configuration and support details of the tank are from the A-46 walkdown notes recorded in Screening Evaluation Work Sheet (SEWS)[5] and Monticello drawings [1-4). The configuration and the weight of the tank are from Ref.1. Refs. 2 to 4 show the details of anchor bolts and concrete piers. The welding information about the saddles are recorded in T-45A SEWS [5).
Base Motion Per the GIP [7), the base motion used in seismic demand calculation is equal to the Monticello conservative SSE Floor Response Spectra (FRS)[6] at Reactor Building Elevation 935'.
- 3. Assumptions Per the GlP [7] or EPRI NP 5228-SL [B), the support saddle connection is assumed to be fixed at the tank and pinned at the base. A ductility at the base will be checked in the section of anchor bolt capacity to ensure that the assumption of pinned at the base is valid.
4 Analysis Per the GIP [7), it is not necessary to evaluate the seismic adequacy of the shell of horizontal tank or the shell-to-support welds since these items are norm egged enough to withstand the loads which can be transmitted to them from the anchor bolts and support saddles. Anchor holes at the base plate of tank saddle are not slotted. It is not a concem because the content of the tank is not subjected to temperature variation as heat exchangers. Therefore, both saddles are active in all directions during the earthquake. The adequacy of anchor bolts, saddles, and the concrete piers will be examined in the following subsections. 1
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CAL NO. 91C2637 C-016 SHEET #9 of 10
SUBJECT:
Monticello A-4S Revision 0 Stevenson & Associates Seismic Analysis of Standby Diesel By MSLi 10/10/95 a st urapnnne an Generator Day Tank T-45A and B Chk. JOS 10/10/95 - 4.6 Capacities versus Demands The following table listed the capacities, the demands, and safety factors of various structural and stress components. Structural Component Stress Type Seismic Demand Capacity Anchor Bolt Pul:out 0.093 kips / 0.63(ips Shear 3.83/4 = 0.96 kips < 4.0 kips - Saddle in Weak Axis Compression 0.75 ksi Judged OK Bending 29.2 ksi 30.6 ksi Shearin Longitudinal 3.45/(2x6x0.25) = 1.2 ksi / 20.4 ksi / Concrete Pier Bending OK by inspection / Shear 5.32 psi / 104 psi /
- 5. Conclusion The calculation shows that the Standby Diesel Generator Day Tank T-45A and B are able to hold their structural integrity during the SSE event.
()tt tla C 4 Tb:- @76 4 2%2.)Iw = 29.9 5 k 3 ( 30,6 y .,; CL b c u ,,a a n
CAL. NO. 91C2687 C-016 SHEET #10 of10
SUBJECT:
Montic:;llo A-46 R:; vision 0 t , Stevenson & Associates Seismic Analysis of Standby Diesel By MSLi 10/2/95 a structural: mechanical Chk. JOS 10/3/95v consutting engineering firm Generator Day Tank T-45A and B
- 6. Reference
- 1. Monticello Drawing No. NX-843129, *1500 Gal. Diesel Day Tank".
- 2. Monticello Drawing No. NF 3S749, Rev. 3," Standby Diesel Generator Building, Foundation Plan &
P.sor Plan - EL 931'-0".
- 3. Monticello Drawing No. NF-36156, Rev. 3,' Standard Concrete Details - Sheet 1*.
- 4. Monticello Drawing No. NP-3S156, Rev. 2,
- Standard Concrete Details - Sheet 2".
- 5. Monticello Nuclear Generating Station,' Screening Evaluation Work Sheet (SEWS) of Standby Diesel Generator Day Tank T45A*.
- 6. Monticello Neclear Generating Station,
- Response to Supplement 1 to Generic Letter 87-02 on SQUG Resolution of USl A 46,* September 21,1992.
- 7. Seismic Qualification Utility Group,' Generic implementation Procedure for Seismic Verification of Nuclear Plant Equipment", February 1992.
- 8. URS/ John A. Blume & Associates, Engineers," Seismic Verification of Nuclear Plant Equipment Anchorage: Guidelines on Tanks and Heat Exchangers," EPRI Report NP-5228-SL, Rev.1, Volume 4.
- 9. American Institute of Steel Construction,' Manual of Steel Construction, Aitowable Stress Design *, ,
9th Edition,1989.
- 10. American Concrete institute,' Building Code Requirements for Reinforced Concrete (ACl 318-89) and Commentary - ACI 318R-89.
d-l
M:ntic:lla NGP GlP Rev 2. Corrected,2/14/92 .I r . SCREENIND EVALUATION WORK SHEET (SEWS) St:tus: Ycs j
. Sheet 1 of 1 j *- 10 : T-45A (R;v. 0) l Cl ss : 21. Tanks c.nd H:at Exch ngers '
Descnotion : STANDBY DIESEL GENERATOR DAY TANK i Building : TB Floor El. : 931.00 Room, Row / Col : 11 DG DAY TK RM Manufacturer. Model. Etc. - BASIS : External analysis 1 1, The buckling capacity of the shell of a large, flat-bottom, vertical tank is equal to or greater N/A than the demand.
- 2. The capacity of the anchor bolts and their embedments is equal to or greater than the Yes demand.
- 3. The capacity of connections between the anchor bolts and the tank shellis equal to or Yes greater than the demand.
- 4. Attached piping has adequate flexibtitty to accommodate the motion of a large, flat bottom, N/A vertical tank.
- 5. A nng-type foundation is not used to support a large, flat-bottom, vertical tank. N/A IS EQUIPMENT SEISMICALLY ADEQUATE? Yes COMMENTS SRT: J.J. O'Sullivan & D. Zercher 2/21/95 Horizontal tank on two saddles. Each saddle has four 5/8 bolts and is on 6.5 inch thick reinforced concrete pad.
See reference 1 for configuration Saddles are welded to tank with 1/4" fillet both sides, intermittent,2" long at 14" center. Welding between the base plate and the vertical center plate is 3/16" fillet,2.5" long, and total 7 stitches at each side. Full width 3/16" welds is between the base plate and the stiffners and inside only. Seismic analysis of tan., anchorage shows adequate for the SSE event (see project calculation C-016). LIS-1528 is attached on top to the tank, not covered by rule-of-the box (separate SEWS). There is a block wall at one end of the room. The wall was evaluated as ' safety related" undrer IE80.11 (wall D105), therefore collapse concern is dismissed [2].
References:
- 1) NSP drawing number NX-8431-29, 2)" Report on the Re-evaluation of Concrete Masonry Walls at the Monticello Nuclear Generating Plant for Northem States Power", prepared by Bechtel Power Corporation, Job 10040-056, November 1980.
Evaluated by: Date: I (ffQ. 10 lb 95 l 6
- LA es-w V ;
" Calculations are provided for information only and are based on information l
current as of date of this submittal. Revisions to calculations associated with this submittal will not be provided to the NRC unless specifically requested." :
M:ntis-lis NGP GIP R ;v 2, Corrected,2/14/92 - ( SCREENIN3 EVALUATION WORK SHEET (SEWS) Status: Ycs Sheet 1 of 1 ID : T-458 (Rev. 0) l Class : 21 - Tanks and Heat Exchangers Desenption : STANDBY DIESEL GENERATOR DAY TANK Butiding : TB Floor El. : 931.00 Room, Row / Col: 12 DG DAY TK RM Manufacturer, Model, Etc.
- CASIS : External analysis
- 1. The buckhng capacity of the shell of a large, flat-bottom, vertical tank is equal to or greater N/A than the demand.
- 2. The capacity of the anchor bolts and their embedments is equal to or greater than the Yes demand.
- 3. The capacity of connections between the anchor bolts and the tank shell is equal to or Yes greater than the demand.
- 4. Attached piping has adequate flexibility to accommodate the motion of a large, flat-bottom, N/A vertical tank.
- 5. A nng-type foundation is not used to support a large, flat-bottom. vertical tank. N/A 15 EQUIPMENT SEISMICALLY ADEQUATE? Y.es COMMENTS SRT: J.J. O'Sullivan & D. Zercher 2/21/95 Similar to T-45A. See that SEWS for configuration and notes (including block wall comments). LIS-1529 is cttached on top of the tank, not covered by rule-of-the box (separate SEWS).
Evaluated by: Date:
$ h /0!!3!96
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re nd a only a submittal. inforn,ationofthis f s of date this submittalwill uested." l are pro v idedc orurrenta a c ass o iatedwiths s c pe ific lly req ulations rmation C unles "Calcsed ba oninfo calculatior:sto theNR '/
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i Montirlis NGP GIP Rev 2, Corrected 2/14/92 4- Status: Yes SCREENIN3 EVALUATION WORK SHEET (SEWS) Sheet 1 of 3 ID : RV.4673 ( Rev. 0 ) l Class : 7.- Fluid. Operated Valves - Description : ALT N2 A RELIEF Building : TB l Floor El. : 931.00 - l Room. Row / Col : EAST Manufac*urec, Model, Etc. : SEISMIC CAPACITY VS DEMAND 1=. Elevation where equipment receives seismic input 935.00
- 2. Elevation of seismic input below about 40' from orade (grade = 930.00) Yes
- 3. Equipment has fundamental frequency above about 8 Hz (est. frequency = ) -N/A
- 4. Capacity based on: 1.C0
- Bounding Spectrum
- 5. Demand based on: 1.00
- Design Basis Ground Response Spectrum 0.800 ,
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-l 0.054 e i e il i i i e i ' i iil i i 0.50 log Hz 34.00 Capacity ... , Demand File Record p- Capocay H%IPGIPweetra des Label!Boundow Spectrum Demand 1 HMIPPROJ0064mpectra. des PLANTIMonuceno(BUILDING lYDIELEVATlONj930lDIRECTlONlHorzl0 ESCRIPlGroundi Demand 2 - H%lPPROJ00646. des - PLANT lMonucesolBUILDINGlYDl ELEVATION 1930lDIRECTIONlHorzjD ESCRIPIGroundi
- Does capacity exceed demand 7 - y_t1
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- e M:ntic:Ib NEP GIP Rev 2, Corrected,2/14/92
- Status: Yes SCREENING EVALUATION WORK SHEET (SEWS) Sheet 2 of 3 ID : RV-4673 ( Rev. 0 ) l Class : 7. Fluid Operated Valves Description : ALT N2 A RELfEF
_ Building : TB l Floor El. : 931.00 l Room, Row / Col : EAST Manuf acturer, Model, Etc. : CAVEATS BOUNDING SP6CTRUM FOV/BS Caveat 1 - Earthquake Experience Eculpment Class. Yes FOV/BS Caveat 2 Valve Body Not of Cast Iron. Yes FOV/BS Caveat 3 Valve Yoke Not of Cast iron foi Piston-Operated Valves and Spring- Yes Operated Pressure Relief Valves. FOV/BS Caveat 4 - Mounted on 1 inch Diameter Pipe Line or Greater. Yes* FOV/BS Caveat 5 Valve Operator Cantilever Length for Air-Operated Diaphragm Valves, Yes Spnno-Operated Pressure Relief Valves, and Light-Weight Piston Operated Valves. FOV/BS Caveat 6 - Valve Operator Cantilever Length for Substantial Piston Operated N/A Valves. FOV/BS Cavest 7 - Actuator and Yoke Not independently Braced. Yes FOV/BS C?" cat 8 - Sufficient Slack and Flexibility of Attached Lines. Yes FOV/BS Caveat 9 - No Other Concems Yes is the intent of all the caveats met for Bounding Spectrum? Y.21 INTERACTION EFFECTS
- 1. Soft tarDets are free from impact by nearby equipment or structures. Yes
- 2. If the equipment contains sensitive relays, it is free from all impact by nearby equipment or N/A structures.
- 3. Attached lines have adequate flexibility. Yes
- 4. Overt 1ead equipment or distribution systems are not likely to collapse. Yes
- 5. No other adverse concems were found. Yes is equipment free of Interaction effects? yli l
IS EQUIPMENT SEISMICALLY ADEQUATE? Yes
.qO, MMENTS SRT: J.J. O'Sullivan & D. Zercher 2/24/95 Near ALT N2 Train A rack on 3/4 inch line. Offset from top of v" alve to pipe CL is 22 inch. By inspection, valve body is stainless steel. See photo In RV-4878 SEWS for typical configuration.
The 3/4" pipe size is less than the 1" size specified in BS caveats. However, the operator is small, estimated to be less than 25 pounds, and the offset is 24 inches. The moment produced on the pipe would be about 33% of that allowed for a substanital piston operated or a motor operated valve on a 1" line. The 3/4" line is about 53% P.s strong as an equivalent 1" line (per section modull for standard pipe). Therefore 3/4" line is judged I acceptab8e. For interaction hazards, see comments for rack IR PCV-4879. l l
M:ntic:lla NGP . GlP Rev 2, Corrected,2/14/02
'* Status: Yes SCREENINS EVALUATION WORK SHEET (SEWS) Sheet 3 of 3 l ID : RV-4673 ( Rev. 0 ) l Class : 7. Fluid Operated Valves l Description : ALT N2 A RELIEF Building : TB l Floor El. : 931.00 l Room, Row / Col : EAST 1 Manufacturer, Model, Etc. :
Evaluated by: D. Zercher Date: sw & //~/O - Y3~ J.J. O'Sullivan hd ' A // 96
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, M:nticello NcP GlP Rev 2, Corrected. 2/14/92 s
- SCREENIN3 EVALUATION WORK SHEET (SEWS) Status: Yes .
Sheet 1 of 3 10 : RV-4236 ( Rev 0 ) - l Class : 7.- Fluid-Operated Valves Description : ALT N2 B ! Building : TB l Floor El : 931.00 - l Room. RowiCol: EAST - ' Manufacturer, Model. Etc.
- i SElSMIC CAPACITY VS DEMAND - ,
- 1. Elevation where equipment receives seismic input 935.00 .
- 2. - Elevaten of seismic input below about 40' from grade (grade = 930.00) Yes >
- 3. Equipment has fundamental frequency above about 8 Hz (est. frequency = ) N/A -
- 4. Capacity based on: 1.00
- Bounding Spectrum
- 5. Demand based on: 1.00
- Design Basis Ground Response Spectrum
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0.100 , i i i iie il t i 1.00 LOG Hz 40.00 Capacity ..... Demand File - Record Capactry H:\GlP\ GIP \ spectra des LabellBounding Spectrum Demand 1 H \ GIP \PROJ0064\ spectra. des PLANTIMonticellol8ulLDINGlYDIELEVATIONl930lDIRECTIONjHorz{ DESCRIPIGroundt Demand 2 HaGIP\PROJ0064\ spectra. des PLANT lMonticellolBUILDINGjYDIELEVATIONj9301DIRECTIONjHorzt DESCRIPIGroundi
- Does capacity exceed demand? .YAA re nd a only a ubmittal.
s rm ationofthis ubmittalwillsted. this s videdforinfos'of date re pro currentaciatedwith cific all y reque nsa ation s pe s E ns asso "Calculatioed calculatio RCunles oninform bas sto Re v ision videdtotheN ot be pro n
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M:ntic:ll3 NGP GlP Rev 2. Corr:ct;d,2/14/92
- Status: Ycs SCREENIND EVALUATION WORK SHEET (SEWS)
Sheet 2 of 3 ID : RV-4236 ( Rev. 0 ) l Class : 7. Fluid Operated Valves Desenption : ALT N2 B ' Building : T B l Floor El : 931.00 l Room. Row / Col: EAST Manufacturer, Model. Etc. C AVEATS . BOUNDING SPECTRUM
~
FOV/BS Caveat 1. Earthquake Expenence Equipment Class Yes FOV/BS Caveat 2 Valve Body Not of Cast iron. Yes FOV/BS Caveat 3 Valve Yoke Not of Cast Iron for Piston Operated Valves and Spnng. Yes Operated Pressure Reiief Valves. ~ FOV/BS Caveat 4. Mounted on 1 inch Diameter Pipo Line or Greater. Yes' FOV/BS Caveat 5 Valve Operator Cantilever Length for Air Operated Diaphragm Valves, Yes Spring-Operated Pressure Relief Valves, and Light Weight Piston-Operated Vahes. FOV/B3 Cavent 6 Valve Operator Cantilever Length for Substantial Piston . Oporated Valves. N/A FOV/BS Caveat 7. Actuator and Yoke Not independently Braced. Yes FOV/BS Caveat 8. Sufficient Slack and Flexibilit/ of Attached Lines., Yes FOV/BS Caveat 9. No Other Concerns Yes is the intent of all the caveats met for Bounding Spectrum? H5 INTERACTION EFFECTS
- 1. Soft targets are free from impact by nearby equdnent or structures. Yes
- 2. If the equipment contains sensitive relays, it is free from all impact by nearby equipment or N/A structures.
- 3. Attached lines have acequate flexibility. Yes
- 4. Overhead equipment or distnbution systems are not likely to collapse. Yes
- 5. No other adverse concerns were found. Yes is equipment free of interaction effects? h1 IS EQUIEMENI.SElSMICAl.LY.ADILQUAIE2 ha C0MlMBLS SRT: J.J. O'Sullivan & D. Zercher 2/24SS Near ALT N2 Train B rack on 3/4 inch line. Offset from top of valve to pipe CL is 24 inches By inspection, valve body mt'erialis steel. See photo in RV-4878 SEWS for typical configuration, The 3/4" pipe size is lets than the 1" size specified in BS caveats. However, the operator is small, estimated to be less than 25 pounds, and the offset is 24 inches. The moment produced o.1 the pipe would be about 33% of that allowed for a substanital piston operated or a motor operated valve on a 1"line. The 3/4"line is about 53% as strong as an equivalent 1"line (per section moduli for standard pipe). Therefore 3/4"line is judged acceptable.
No credible interaction hazards, see comments for rack ' PCV-4881.
Montic:lla NGP . GIP R:v 2 Corrected. 2/14/92 l
*' Status: Yes SCREENIN3 EVALUATION WORK SHEET (SEWS)
Sheet 3 of 3 ID : RV-4236 ( Rev. 0 ) l Class : 7. Fiuid-Operated Valves Description : ALT N2 B Building : TB l Floor El. : 931.00 l Room. Row / Col: EAST i Manufacturer, Model. Etc - j Evaluated by: Date: h 16!9 95
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