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BOSTROM-BERGEN/MEDDCO METALS -
ALLEGATIONS INVESTIGATION Materials Reinspection Program Plan February 23,1984
' PRELIMINARY" Pocific Gas and Electric Company 77 Beale Street Son Francisco, California 94106 O
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8603310014 860123 PDR FOIA '(b DEVINE04-744 PDR l
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TABLE OF CONTENTS Pooe l.0 INTRODUCTION I 2.0 - SCOPE 2 4
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l Bostrom-Bergen/Meddco Metals Allegations investigation Materials Reinspection Program Plan i Dated: February 23,1984 i
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1.0 ' NTRODUCTION
'This document presents the expanded investigation program of the Bostrom-Bergen/Meddco Metals' (BB/MM) ollegations prepared by Pacific Gas and Electric (PGondE). This program is consistent with the commitment to perform reinspection of a logical representatiwe sample of BB/MM supplied materials made to the U. S. Nuclear Regulatory Commission (NRC) Region V Staff on Thursday, February 16, 1984, and will "
be integrated into the existing investigation initiated in December 1983.
The objective of this program is to provide odditienal confirmation that BB/MM-supplied items meet requisite quality standards (refer to g*ograph 2.5) by performing field reinspections. A further objective of the program is to provide this information through a well thought-out plan which leads to o logical representative sampling program.
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Bostrom-Bergen/Meddco Metals Allegations investigation Materials Reinspection Program Plan Dated: February 23,1984 I
2.0 SCOPE This scope consists of the following eight tasks which will ossure that a satisfactory reinspection program is performed.
2.I The first task is to finalize the identification of the scope of materials supplied to the Diablo Canyon Power Plant (DCPP) by BB/MM. This requires review of BB/MM-supplied structural items for all periods of interest and will be accomplished at the DCPP site. The information that will be gathered in this task will be based on the lists of BB/MM material used at DCPP as shown in Attochrnents A and B. The lists include all major pieces shown on the BB/MM shop drawings.
2.2 The second task is to define key chorocteristics (those chorocteristics which determine the manner in which BB/MM item grouping occurs) related to the different types of items supplied by BB/MM. These will include:
o Material Type o Generic ltem Description o Sofety Classification Time Frome of Fabrication o
l 2.3 , The results shown in Attachments A and B, which represent all major BB/MM items supplied to DCPP, will be onelyzed and grouped into generic item categories. This grouping will ossure that the items are identified in terms of the l
components, materials and. time frames of supply. In this way, a basis for o logical representative sompte selection will ofready be established.
2.4 Upon completion of the categorization, logical sompie groups for reinspection will
. be determined to assure o representative reinspection across the population os BB/MM-supplied items and will provide assurance that PCondE has on indication of the quality of the BB/MIA items.
Emphasis in selecting items for, inspection will be placed on (1) confirming that BB/MM supplied special steels were used at locations where they were required, and (2), confirming that special fabrication techniques performed by BB/MM (e.g.,
welding) were odequately performed. Selection of individual items for inspection
- will be made to cover os brood a time frame os possible. In summary, the total l
l quantity of items to be inspected is large enough to encompass material used in all safety-related gplications over the periods of interest for BB/MM material supplied to Diablo Canyon.
( Bostrom-Bergen/Meddco Metals l Allegations investigation l Materials Reinspection Program Plan Dated: February 23,1984 2 l
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h Several BB/MM-supplied materials have been reinspected in great detail. These are identified in Attochment C and will be incorporated into the program.
2.5 Field inspections will be performed to provide assurance that the existing materials meet specified requirements. Inspection of sompted items will cover two genc rol creas:
- 1. Conformance of BB/MM materials to design and specification requirements.
- 2. Conformance of BB/MM fabrication to acceptable practices and to design drawing requirements.
2.5.1 Inspections of BB/MM material will include:
! o. Hordness testing to confirm the tensile strength of the base material. A form similar to Attochment D will be used for this inspection.
- b. Alloy analysis to confirm the content of specified chemical elements in the base material. A form similar to Attachment E will be used for this inspection.
2.5.2 Inspections of BB/MM fabrication will include:
L o. Visual examination, per AWS criterio, for weld quality and dimensional verification of weld sizes and base metal thicknesses. A
(
form similar to Attachment F will be used for this inspection.
- b. Measurement of critical dimensions and visual examination of overall conformance to design drawing requirement.
i 2.6 A final report will be prepared upon completion of the BB/MM materials reinspection program, documenting each of the tasks performed and fully explaining BB/MM grouping and how the samples were selected. The final results and conclesions will be fully documented and submitted to the NRC.
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t Bostrom-Bergen/Meddco Metals Allegations Investigation Materials Reinspection Program Plan Dated: February 23,1984 3
ATTACHMENT A l l
- 1 MATERIAL SUPPLIED BY BOSTROM-8ERGEN METAL PRODUCTS TO GUY F. ATKINSON COMPANY 2
TURBE PEDESTAL- Anchor bolts, embed plates, jocking posts, edge angles.
l TURBK BUILDING Column anchor bolts, pump and motor anchor bolts, roof corners, all edge angles, embed plates, stair nosings,
, post sockets, monorail beams, hatch cover frames, hatch cover seats, ladder rungs, supports for metal decks, lifting inserts, CCWHE pipe support column anchor bolts, leveling plates for switch gear, freight elevator enclosures, anchor plates for blockwolls, blockwall support columns Area A, floor opening sleeves, (5) line firewall albi-clad frame, fire damper frames Area A. CCW heat exchanger barrier, pipe l rupture restraints. Oil receiving and storage room roof and monorail support, odded structural steel El.119'2",
expansion joint between . turbine building and auxiliary building spring support beams. Area B-C, El. 140', !
! platform P-17T, Pl8T (Turbine feedwater pump). !
Embed plates, anchor bolts for pumps and motors, edge !
AUXILIARY BUILDING ongles, hatch frames and seats, lifting inserts, pipe rupture restraints, mono' roil supports, wire mesh doors -
sodium lodide protector shield, all CVCS embeds l
' removable shield walls and plates, seismic restroint for residual heat exchanger, sensor probe embed. Main j
steam relief stack platform and bracing. Jet l Impingement structural steel.
CONTAINMENT Rupture restraint anchor bolts, reactor head storage i embed, ' polar crane rail, fan cooler embed frames, I pressurizer shield, fuel transfer tube shield and hoist, l '
reactor' loop pipe restraints, jib crone, feedwater l
restraints, monipulator crone rail support, steam
- generator monway cover hoist, grating El.140' and I
beams, cable support El.140'. Rec. sump screens.
Pipe sleeves for penetrations, embed plates, soldier beams and cover plates at exterior penetrations, anchor l
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ATTACHMENT A(continued)
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MATERIAL SUPPLIED BY BOSTROM-BERGEN METAL PRODUCTS TO GUY F. ATKINSON COMPANY bolts, stair nosings, post sockets, neutron detector -
guides and positioning device, edge angles, hatch frames '
and sects, onnulus structure support onchors, reactor support and cooling block, transfer canal shield plates.
General anchor bolts at El. 91',109',112', RCP support m anchor bolts, hydraulic support structure anchors. RCP cross over pipe rupture restraint embeds, Steam Generator supports at 138, pipe restroint sleeves, pipeway support embeds, reactor missile shield.
Variable spring pipe support - equipment hatch trolley and rails - personnel hatch trolley and rail, annulus 106, incore trolley beams, RV head corriers, embedded air ducts to reactor.
DIESEL CEFERATORS Anchor bolts, embed plates for wall anchors - edge angles - exhaust pipe restroints of El.189 and 202.
Tornado barriers.
DISCHAR STRUCTURE Miscellaneous embedded steel.
Foundation anchor plates (rings).
WATER TANKS FUEL HAtOLING BUILDING Filter bank occess platforms - portition walls and movable walls - radiation shield walls -' filter bank embed frames - oil embeds. Boiler support beams - cir tight door frames - manipulator crone rail supports -
duct supports El.180', cols. and bracing line 263 -' fon Auxiliary platforms 21 and 22 - fuel storage cover feedwat,er pump missile shield - voeuum decerator tower support.
PLATFORMS 48FW-2, 42FW-1, 48FW-1, 7GE-l, 19CW-1, SGW-1, 6CE-l, 7G-1, 77G-2, 86F-2, 42FW-2, 67F-2, 71G-2, 82F-2, 83F-2, 70G-2, 64F-2, 76F-2, 20GW-l, 54F-2, 55F-2, 57 G-2, 56G-2, 19GW-2, 20GW-2, 2 l GW-2, 108F-1,109G-1, 21 CW-1, 66F-2, 63F-2, 85F-2, 81 F-2, SFW-1, 8GW-1, BGW-2, 65F-2, 63F-l, 76F-1, 77G-1, 94F-1, 68C-2, 69G-2, 70G-2, SGW-2, 6GE-2, 7GE-2, 65F-l, 64F-l , 84F-2
- ATTACHMENT B i
BOSTROM-BERGEN METAL PRODUCTS SUPPLIED TO H. P. FOLEY AUXILIARY BUILDING Rolling door 12" thick, radiation shield door, edge angles for post-LOCA.
CONDENSATE POLISHING SYSTEM Column anchor plates, beam onchor plates, structural framing, floor plates and supports, roof framing, stairways.
TECFNICAL St.FPORT CENTER None, access provided vio condensate polishing structural steel and stairways.
FLEL HAFOLING BUILDING Gross gamma monitor support plotform.
REVERSE OSMOSIS Anchor bolts, curb ongles, structural framing, stairways.
TRAINING BUILDING Structural foundation and stairway.
TURBitE BUILDING Storoge rock.
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'. ATTACHMENT C l
PREVIOUSLY INSPECTED ITEMS Time Period item Description Remarks ,
1984 Rupture Restraint Rods inspected overall length threads, bend rodius, and straightness for 19 rods 1983/1984 Rupture Restroint Rods Tested hardness for 842 rods 1984 Condensate Polishing System Full weld inspection 940 BB/MM (Class 2) (shop welds) 1983 Rupture Restroint Welds Full weld inspection on 351 restroint welds.
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' ATTACHMENT D ,
MATERIAL VERFICATION REPORT Serrgde Description Date Engplier Lacotion meterial Type and Brinnell Tensile Carriponmt Description Piece knber Grode Reading Strength Acespted Rejected Comments:
I Performed by Giochtel Sipotwe) Acknowledged by
a ATTACHMENT F
- BB/MM WELD INSPECTION REPORT
- Area Elevation Lhit Location Drawing and Revision =
Sorryle Erection Drowing Piece No.
kupection Dato inspection Accept Reject Convexity .
m Crocks Reinforcement Fusion .
Craters Filled Undercut Porosity Free of Slog Weld Length Spocin9 Weld Size Commenfs I
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. Problem Statement 1
Allegation #(s): .
ATS No.(s): AV$%00M k s ..
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i BN(s):
kT 87 OY f[ .
. This document lists (or directly references)'each allegation or concern M
- brought to the attention of NRC personnel. The purpose of this statement ,
sheet is to assure that all points raised by the alleger are covered.
If the problem statement is not clear as to who, what, where, when, or why regarding the issue, the commentary section will amplify the statement. The commentary section will also be used if there is apparent conflicting information or if there is no or very little original information available which describes the concern (s). (This can occur if, for example, a line concern was received'in an interview).
Problem Statements (use extra sheets as necessary)
Allegation # Verbatum Statement or Reference I
W I k p l 1
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Date This Statement was Completed S 'l h 'b y _
Technical Reviewer 31gnature
L :d, , a 9 i w C "8 ',*" " ALLEGATION DATA FORM u.s. NucttAn'stuvacar coMW$$ ION
" *28 in.i,.ci.no on a. A 16 q C, RECEIVING OFFICE
- 1. Facility (les) Involved: IN.mel tw m-. v.a s. . n
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2.' Functional Areefs) Involved.
Icheck opproprisie tenfeel I _ operatione _ onsite health and safety ,
construction _ offsite health and safety
_ safeguarde _ emergency preparedness, ,
_ other tspecity) 3.
Description:
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- 4. Source of A!!egation. .
icheck oppropri.te boil __._. contractor employee _ security guard
_ licensee employee -
news media
_ NRC employee _ private citizen
_ organization tspecityl
.' _ other (specity)
MM DD YY
- 5. Date Allegation Received:
1 I o bl8' 3
- 6. Name of Individuel Receiving Allegation:
(n,st two initiets and te.: nemel
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- 7. Office:
, ACTION OFFICE
- 8. Action Office
Contact:
an,. e.. initier end te.i name) .
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- 3. FTS Telephone Number: gy _
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- 10. Status:
ICheck onel Open,if followup actions are pending or in progress
_ Closed,if fo!!owup actions are completed MM DD YY H. Date Closed: 11.1 Document Nos.
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.. PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-V-83-59 D,tn: 12/08/83 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety
. or public interest significance. The information is as initially received without verification or evaluation and is basically all that is known by NRC staff on this date.
Facility: N/A Emergency Classification:
. Notification of Unusual Event Alert Site Area Emergency General Emergency X Not Applicable,
SUBJECT:
NUCLEAR PLANT QUALITY ALLEGATIONS MADE TO LOCAL TV STATION A former welding inspector at Bostrom Bergen Metal Products Company of Oakland, California, has contacted a San Francisco television station, KGO-TV (ABC), with allegations that he falsified various inspection documentation on fabricat;nd metal products sold to Diablo Canyon, South Texas, Comanche Peak, and an unidentified WPPSS project. The television station has contacted Region V and Bostrom Bergen concerning the allegations but has not yet aired a story.
The TV reporter contacted the Region V Public Affairs Officer about the allegations on the afternoon of December 6. The reporter put the alleger in contact with the Director of the Region V Office of Investigations.
On December 7, 1983, an executive of Bostrom Bergen contacted the Region V duty officer. He said that Bostrom Bergen had been confronted with these allegations by a TV reporter several days earlier. He said the Company has conducted an investigation'which has largely refuted the allegations.
The Region V inspection team at Diablo Canyon looking into other allegations has been made aware of the new charges. The Region IV Vendor Inspector Branch has been notified.
This.information is current as of 9 a.m. PST on Thursday, December 8, 1983.
CONTACT: J. HANCHETT, FTS 463-3712 DISTRIBUTION: //lJC H St. //,* 2 2 MNBB Phillipsfl'.l'} E/W /2.'#1Nillste/3.'33 Air Rights /2." f IE
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Chairman Palladino EDO NRR NMSS Comm. Cilinsky PA OIA RES Mail:
Comm. Bernthal MPA AEOD ADM:DMB Comm. Roberts ELD
- DOT: Trans Only Regions:J~ /1.*.i .lE~/2.' 70 lZC /2lgg _==M /2!
2MJ3M ,/d* J~c Comm. Asselstine ~
SM PDR Resident Inspector Licensee (Reactor): RV: FORM 211 3 @GIlb-(revised 3/14/83)
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. Problem Statement Allegation #(s): .
ATS No.(s): A V $ % 00 M s .. g i BN(s): kTD O f[ . This document lists (or directly references) each allegation or concern w > brought to the attention of NRC personnel. The purpose of this statement . sheet is to assure that all points raised by.the alleger are covered. If the problem statement is not clear as to who, what, where, when, or why regarding the issue, the commentary section will amplify the statement. The commentary section will also be used if there is apparent conflicting information or if there is no or very little original information available which describes the concern (s). (This can occur if, for example, a line' concern was received"in an interview). Problem Statements (use extra sheets as necessary) Allegation # Verbatum Statement or Reference 9% s
\ t f NL %
L1 g x7Cg "- D , Commentary , h!k . L
%*Aa6 A u%%.
h. Date This Statement was Completed 3 'l b k _, l Technical Reviewer Bignature l 6
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I ALLEGATION DATA FORM u.s. NuctE A (DUQTORY COMMISSION kCT instructere on reveene e.de Ad4 d
- RECEIVING OFFICE Docket Number (if applicable)
- 1. Fecilitylleal involved: (Namel fit more then 3. er if . ,_[ [, 4,g g,,,,4, f C,, f -'
genonc. or He GENERIC) . D%ble 6,.m wens 4 xd
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2' Functional Areals) Involved. Icheck oppropriene boireel l _ operations _ onsite health and safety , construction _ offsite health and safety _ safeguards _ emergency preparedness, _ other tspecity) 3.
Description:
IFlo I lis li lfli l<4vle I / Idl fl al+ 1rlyls W'le le I r1 il olM
. IK le Ic lelvld 151. Iml i I f 11171e l's IrlRi e.lglerhtlTISI,, I I luls le.ld.1 ;linlPlr le IplelH4d4lrieIVlel/15I Af A4.DlMI AI Idle lele Imle inirlWlollidmlelM I I I I I I I I ~'
- 4. Source of Aftegation. .
icheck appropriate boal ___ contractor employee security guard _ licensen errpfoyee - I news medie i _ NRC employee _ private citizen organization tspecity)
.' _ other tsp.cifyl MM OD YY
- 5. Date Aftegation Received:
I I lO blg 3
- 6. Name of Individuel Receiving Allegation:
trirst two intitoie end re. nome O' [ M
- 7. Of fice:
. ACTION OFFICE
- 8. Action Office
Contact:
triest two inistei, and test nemet bb d K!8 O
- 9. FTS Telephone Number: y ,
- 10. Status:
Icheck one Open, if followup actions are pending or in progress _ Closed,if followup actions are complated MM 00 YY
- 11. Dato closed: 11.1 Document Hos.
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- 12. Remarks:
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. PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-V-83 Dmen: 12/08/83 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verification or evaluation and is basically.all that is known by NRC staff on this date.
. Facility: N/A Emergency Classification:
Notification of Unusual Event Alert Site Area Emergency General Emergency X Not Applicable.
SUBJECT:
NUCLEAR PIANT QUALITY ALLEGATIONS MADE TO LOCAL TV STATION A former welding inspector at Bostrom Bergen Metal Products Company of Oakland, California, has contacted a San Francisco television station, KGO-TV (ABC), with allegations that he falsified various inspection documentation on f abricated metal products sold to Diablo Canyon, South Texas, Comanche Peak, and an unidentified WPPSS project. The television station has contacted Region V and Bostrom Bergen concecning the allegations but has not yet aired a story. The TV reporter contacted the Region V Public Affairs Officer about the allegations on the afternoon of December 6. .The reporter put the alleger in contact with the Director of the Region V Office of Investigations. On December 7, 1983, an executive of Bostrom Bergen contacted the Region V duty officer. He said that Bostrom Bergen had been confronted with these allegations by a TV reporter several days earlier. He said the Company has conducted an investigation which has largely refuted the allegations. The Region V inspection tean at Diablo Canyon looking into other allegations has been made aware of the new charges. The Region IV Vendor Inspector Branch has been notified. This.information is current as of 9 a.m. PST on Thursday, December 8, 1983. CONTACT: J. HANCHETT, FTS 463-3712 l DISTRIBUTION: //lJf H St. //,* 2 2. MNBB Phillips ll',l"} Z/W /~2.'#1Nillste /3 '33 Air Rights /2.* fb Chairman Pallad'ino EDO NRR IE NMSS Comm. Gilinsky PA OIA RES Mail: l Comm. Bernthal MPA AEOD ADM:DMB i Comm. Roberts ELD
- DOT: Trans Only
! Comm. Asselstine Regions :.J~ /1.' K/2." 70 ,7Z /2lgp A MM " 2M
/2IO M IU SECY - ACRS -
CA INPO N' SAC Resident Inspector k .3 M S M PDR Licensee (Reactor): RV: FORM 211 GIOM (revised 3/14/83) flit' t3'.(8 # pstpe .oJ V J t l
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s g4CF89 ov.4+ 4 9i Task: . Allegation or Concern No. 99 ATS No: BN No: Characterization: Bostrom-Bergen Metal Products shipped hardware to Diablo Canyon without having performed the required quality control inspections. In addition, the quality of the hardware fabricated may be questionable based on allegations that welder qualification records were falsified, inspectors lacked QA training, and material certifications may have been falsified. Implied Significance to Design, Construction or Operation Failure of structural component supports and pipe rupture restraints to perform their intended function is a potential safety problem. Staff Position The allegations were directed at alleged violations in the quality control practices utilized by Bostroin-Bergen Metal Products (BBMP) at their Oakland, California fabricatio'n plant. If these allegations are proven correct then the quality of the BBMP hardware installed at Diablo Canyon'would be questionable. Therefore, the final report on i this allegation will address reactive inspections conducted at both the fabricator's shop and at Diablo Canyon.
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a 9 4 A. Inspection at Diablo Canyon
- 1. Visual Inspection of Installed Hardware o
- The licensee, at the inspector's request, located and ,
identified BBMP hardware installed in safety-related systems. The in.spector visually examined these items for evidence of material damage and weld quality. Weld inspection,was limited because all the items had received a protective coating of paint. No material damage was identified. Weld location, length, size and shape were within construition specifications; weld reinforcement, appearance and. type (butt or fillet) were as required. Evidence of surface defects such as cracks, porosity, or slag were not inspectable due to surface paint. The areas inspected during this walkdown and the type of hardware inspected are as follows: , (a) Turbine Building - CCW heat exchanger barrier, rupture restraints for CCW heat exchanger barrier, leveling plates for the 4160 volt vital Buss H in the switch gear room, and diesel' generator 1-1 embed plates. (b) Auxiliary Building - AFW 1-1 pump missile shield, SI pump 1-1 and 1-2 embed slaps, containment spray emeeds, RHR pump 1-2 anchor bolts, and BIT anchor bolts.
4 (c) Unit 1 Containment - Main Steam Generator FW line rupture restraint no. 1047/10RT, enibed plates for fan coolers, embeds for pressurizer wall and platforms, and annulus platform beams.
- The inspector did not identify any discrepant material.
- 2. Review of Quality Records The following records, associated with the safety-related items inspected during the walkdown, were reviewed:
(a) Steam Generator Line Rupture Restraint No. 1047/10RT drawings which includes: Embed Plates Job. No. 1818 Sheet 465 Main Steam Restraints Job. No. 2241 Sheet 1 Feedwater Restraints Job. No. 2241 Sheet 2 Snubber Support Structure Job. No. 2241 Sheet 3 (b) BBMP Shop Inspect Frdm F of 6-12-73 (c) Certified Material Te'st Reports (CMTR's) for the l following items: l . i Embed Plate Mark No. 8465, C465 & K465 Kaiser Steel Heat No. 147397; Mark No. A465 Kaiser Steel I L. -
Heat No. 69869; Mark No. pa 465 Kaiser Steel Heat No. 50117 Embed Plate Coupling Nuts Mark No. mb 465 Schmitt - Steel Heat No. 3308292 (d) BBMP Inspection Form F of 8-20-69 (e) Main Steam /Feedwater. Restraint Materials CMTR from the following suppliers (Heat Nos. listed): U. S. Steel: 064552, 2G7399 Oregon Steel: 09160, D8430 Kaiser Steel: 77816, 350916, 20165, 86999,- 61102, 346080, 69831, 252094 Schmitt Steel: 78T441, N71483, 1R1397 Bethlehem Steel: 402E4401 Republic Steel: 8875464 Jorgensen Steel: D81508 This review indicates that the material is traceable from the installation location to the BBMP inspection reports and
- the steel supplier's CMTR.* The inspector did not identify any evidence of falsification of the CMTR's reviewed.
The following quality records were randomly selected and reviewed for evidence cf falsification: W
- 1. BBMP Job. No. 2056 for Units I, II, Material for Containment Piping Penetrations. Documentation Reviewed: BBMP Shipping List of 11-3-72 & 11-8-72; Shop Inspection Form of 11-3-72, 10-16-72, 11-8-72;
- Hawley Forge CMTR/HT. No. LG; U. S. Steel CMTR/HT. Nos.
2P5112, 2P5194, 2P4563, 2P330
- 2. BBMP Job No. 2057 for Units I, II, Material for Reactor Heat Supports. Documentation Reviewed: BBMP Shipping Lists of 1-11-73, 12-22-72, 10-10-72; Shop Inspection Forms of 1-11-73, 12-27-72, 11-13-72; Pacific States Steel CMTR/ HT. No.- 37166; Pacific Metals CMTR/HT. Nos.
M84018, 3279; Bethlehem Steel CMTR/HT. No. 401J7251, 485A2111; Kaiser Steel CMTR/HT. Nos. 244793, 69445
- 3. BBMP Job. No. 2101 for Unit.I, Material for Annulus
- Hanger Frames. Documentation Reviewed: BBMP Shipping i
Lists of 3-29-73, 3-1-73; Shop Inspection lctims of 3-28-73, 3-1-73; Kaiser Steel CMTR/HT. Nos. 146097, 246798, 69869; Bethlehem Steel CMTR/HT. Nos. 153W422
- 4. BBMP Job No. 2158 for' Unit II - Material for Pipe Restraints. Documentation Reviewed: BBMP Shipping List of 1-30-74, 2-1-74, 9-14-74; Shop Inspection Form of 1-30-74, 9-14-74; Kaiser Steel CMTR/HT. No. 50890; Bethlehem Steel CMTR/HT. No. 1742Z408
- 5. BBMP Job No. BB534 for Units I, II, Material for Pipe Restraints in Auxiliary Building. Documentation Reviewed: BBMP Shipping Lists of 7-2-75, 1-29-75, 1-8-75; Shop Inspection Forms of 1-29-75; Final
- Inspection Checklist of 7-2-75; Precision Heat Treating ,
Company Certs; Ducommun Metals CMTR/HT. No. 20812; U.S. Steel CMTR/,HT. No. 94E619, 97E823. 6 .' BBMP , Job. No. B8538 for Unit II, Two W14X370 Studded Beams. Documentation Reviewed: BBMP Shipping List of 9-14-74; Shop Inspection Form of 9-16-74; Kaiser Steel CMTR/HT. No. 351656; Nelson Stud Welding Company Product Certification of 12-2-74.
- 7. BBMP Job. No. 88547 & 548 for Unit I, Material for Reactor Missile Shield. Documentation Reviewed
- BBMP Shipping List of 11-22-74; Shop Inspection Forms of 10-25-74, 11-8-74; Oregon Steel CMTR/HT. Nos. D465, 09745, E91; Kaiser Steel CMTR/HT. Nos. G1298, 11870
- 8. BBMP Job No. BB662 fdr Units I, II, Material for Pipe Restraints, Containme'nt Structure. Documents Reviewed:
BBMP Shipping List of' 5-27-76 & 10-21-76; Inspection Traveler; Shop Welding Inspection Report; Shop
-Inspection Form; Final Inspection Checklist of 5-28-76; Bethlehem Steel CMTR/HT. Nos. 3P804, IT0268; U. S.
Steel CMTR/HT. No. 91A053; General Pipe & Supply Company CMTR/HT. No. K33080; Signet Testing Labs'
Charpy Impact Test Reports; Consolidated Engineering Laboratories Ultrasonic Test Reports 12 through 21.
- 9. Mill Test Reports
- A. Wide Flange (WF) Beams HT. No. Size -Length (ft) 1255299 14x455 59 173Z061 30x108 47 1R4790 12x161 45 70A017 14x103 60 75A025 18x96 60 79221 4x13 60 98E002 8x28 60 H08235 12x92 40 H90147 14x342 60 K16989 36x300 60 K95397 14x202 60 B. Channels HT. No. Size Length (ft) 10P190 10x15.3 60 12397 9x13.4 60 12iS497 6x15.1 20
3N638 3x4.1 20 65A217 12x20.7 60 92C510 15x40 40 B138'00 6x15.3 40 - T05438 5x9 60 T31635 10x8.4 40 66A336 10x21.9 40 . l C. Angle . l HT. No. Size Length (ft) I i 105415 4x4x - 50 . 18E126 5x5x5/8 60 1P710 3x3x 20
- 20E241 4x3x5/8 60 L
j 252199 6x6x3/8 40 331P876 4x4x3/4 20 355460 6x6x1 - 91D158 6x6x -40 . l A8610 24x1 x3/16 - I 88488 4x4x3/8 - D. Plate HT. No. Size (Inches Thick) l 12001 3
144338 18444 5/8 40237 3 42565 6 43484 3 60737 4 73D318 4 79666 4
,95665 4 D1314 1 E1115 2 K8858 8
- 10. Weld Procedure Specifications The inspector reviewed four weld procedure specifications (WPS) utilized by BBMP to fabricate hardware supplied to the Diablo Canyon Project.
Attributes examined were material, welding process, filler metal, welding current, electrode size,. preheat and interpass temperiture. The procedures, identified below, were in compliance with the requirements of'AWS D1.1-69 to be designa'ted as prequalified joints. WPS No. Joint Detail Groove Angle
- SM4 Single V-Groove 30*
SM-23 Single Bevel-Groove with- 45 Backing Bar SM-24 Single Bevel-Groove 45* SM-39 Single Bevel-Groove 30* 4 Conclusions
- No quality-related material problems were ' identified. Based on the inspectors examination of insta'lled safety-related hardware and review of BBMP quality records there is not enough' evidence, at this time, to support the allegations, or to conclude on the quality of the hardware installed.
Action Required Perform investigation / inspection at the dostrom-Bergen plant in Dakland, California in order to determine the validity of the ! allegations regarding QA/QC practices and to identify specific hardware items of concern. I 1 ____1
Task: Allegation or Concern No. 98 ATS No: BN No. Characterization . 1 A vendor in the nuclear industry (Brand Industrial Services Company, BISCO) is improperly installing penetration seals. They may be involved with Diablo Canyon. Implied Significance to Plant Design, Construction, or Operation
' Imprope.lyinstalledpenetrationsealsmaybeinstal'ledatDiablo Canyon.
Assessment of Safety Significance At the time SSER No. 21 was written BISCO was not a contractor or subcontractor,nor had they ever been, at Diablo Canyon. However, i' from December 10, 1983 through February 1, 1984 BISCO performed work \. [. on 179 safety-related pressure seals. The engineering significance of the' allegation has been reviewed and l ! . no significant safety problems have been identified. l l t
Staff Position The staff concludes that no safety concern exists at Diablo Canyon. This conclusion is based on the inspector's review.of BISCO's quality assurance program and quality control procedures implemented during , BISCO's work performed at Diablo Canyon. The staff's inquiry into the extent of PG&E QA/QC surve.illance of in process work revealed that no formal audit or surveillance had been performed. The licensee's explanation-was that, BISCO's work scope was so limited, i.e. for a short period of time that a formal audit was not scheduled. However, the licensee is in process of performing a quality control inspection of 5% of BISCO's work to verify proper installation of pressure seals. The staff's conclusion is based on interviews with licensee personnel and review of the following BISCO documents:
. Quality Assurance Program and Procedures The inspector. reviewed the BISCO quality assurance program as described in the BISCO Quality Assurance Manual (BQAM), Revision 9, dated 2-5-82. A letter from the President of BISCO is enclos?d committing BISCO to pdrform all work in accordance with the BQAM which implements the requirements of 10 CFR 50 Appendix B and ANSI N 45.2. The BQAM co'nsists of 18 sections each of which defines the requirements or describes the methods to assure compliance with the corresponding 18 criterion of Appendix B to 10 CFR 50. The BQAM was reviewed and approved by the licensee Quality Assurance Department prior to BISCO performing work.
The following BISCO procedures were written to implement the requirements of the BQAM; these procedures were reviewed, by the inspector, for compliance with the BQAM and the applicable ANSI Standard:
- Procedure No. DC-1, Rev. 1 of 9-8-80, " Document Control",
Subject:
BISCO. Controlled Q.A. Manual and Procedures. Procedure ,No. CQ-101A, Rev. O of 1-15-82, " BISCO Q.C. Personnel Training and Qualification",
Subject:
Training and Qualifications for Q.C. Personnel, per ANSI N45.2.6 Modified to the Specific BISCO Requirements. Procedure No. QCP-001, Rev. 1 of 3-20-79 "Stop Operation
. Order",
Subject:
Authority, Procedure and Method for
. Issuing "Stop Work /Stop' Operation" Orders.
** Procedure No. QCP-009, Rev. 3 of 2-25-80,' " Control Site Nonconformances",
Subject:
Describes Methods Used for Reporting and Controlling Site Nonconformances.
** Procedure No. QCP-011, Rev'. 1 of 8-2-78 " Balance
! Calibration",
Subject:
Ba' lance Verification for Use in Quality Related Activities. l
** Procedure No. QCP-101, Rev. 1 of 2-1-80 " Receiving 1
Inspection - Job Site",
Subject:
Receiving Inspection Methods. l l
Procedure No. QCP-105, Rev. I of 2-4-80 " Standardization for Density Measurements",
Subject:
Determination of Average Measurements for Establishment of the Density Conversion Chart Method.
- Procedure No. QCP-203, Rev. 1, of 2-4-80 " Damming Depth and Penetration Inspection",
Subject:
Determination Depth of Damming and Visual Acceptance of Finished Silicone Non-Foam Seals. , Procedure No. QCP-204 Rev. O of 7-10-79 " Sample Evaluation",
Subject:
Inspection Criteria for Evaluating Silicone Non-Foam Material Samples.
- Technician and QC Inspector Qualifications The following Internal Work Releases were reviewed for the required QC inspector acceptance of finished activities: IWR Numbers 5067, 5081, 5104, 5109-R, 5034, 5050, 5071, 5086, 5048, 5116.
The following Inspection Logs were reviewed: Component Traceability, System Verificatfon, Flexible Boot Penetration Seals, Receiving Inspection Checklist. BISCO Seal Certificates of Compliance for BISCO products TP-28, Part A & B, TC-33 Part A & B, Worm Drive SS Hose Clamps, and TP-28 BISCO Seal 96 #/ Kit.
i 7 Certification of Calibration'for Balance'Ohaus Model #1650 Serial
#B-176.
Action Required . The licensee audit results will:be reviewed during the regularly scheduled NRC inspection program. 9 J J ? t t.
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e T(6 Fr Wu. Task: Allegation or Concern No. 99 D-lY'h l'*"c ;' r r2nu ATS No: QS-83-024/RV83A0068 ~hBNNo. f,w L L. % DW Characterization:
- 1. Falsification of vendors records (a former inspector claims to have '
documented inspections he had not performed).
- 2. Additional allegations from other sources concerning welder qualification,' training and QC deficiencies, i Implied Significance to Desian, Construction or Operation Allegations by a former QC Inspector of Bostrom-Bergen Metal Products, Oakland, California, who has supplied safety-related hardware to Diablo l
canyon, that he falsified nearly every QC inspection report between January 1981 and January 1983. Supplied naterial may be of questionable quality. Assessment of Safety Significance l l l This allegation came to the NRC staff attention through a local San Francisco television reporter. Staff action was initiated at that time. In addition, i the licensee initiated their invest.igation of this subject after viewing the television report. Since the original allegations were received the staff and the licensee, through their investigations, have received additional I f
allegations. These concerns can basically break down into three chronological groups:
- 1. 1981 to 1983 -'The initial allegation involving a former inspector who claims to have documented inspections he did not perfo.rm.
- 2. 1979 to 1980 - Allegations regarding maintenance of welder qualifications, lack of QA training, shipment of discrepant' material to nuclear projects, questionable subsuppliers, and working conditions.
- 3. 1977 to 1979 - Allegations regarding a Bostroe-Bergen subsidiary (Meddco Metals) relating to material traceability, removal of
. reject tags, and use of foreign produced steel.
The NRC staff response to the allegations includes a combined effort by the Office of Investigations, the Licensee Contractor and Vendor Inspection Program Branch of the Office of Inspection and Enforcement, and Region V. The staff position has been both one of monitoring how the licensee is conducting his investigation for the Diablo Canyon Project and independently reviewing
- the issues for generic significance (the company has provided products to multiple nuclear reactor projects)., The staff's approach to these concerns includes: .
- 1. monitoring licensee actions and independently conducting interviews with a number of current and former employees of the company and ,its subsidiaries; 1
l 4 i _ 1
2. examining of the quality program employed by the company currently, and in the past; 3. reviewing contractor and licensee records related to the work in question; 4. and physically inspecting material installed at Diablo Canyon. The staff has addressed and closed the original allegation. A review of pertinent records established.that the former inspector (who claims to have documented inspections he did not perform) is credited with performing 650 inspections while he was employed at Bostrom-Bergen. ' Fifteen of the 650 inspections involve safety-related material. ' These fifteen items were found to be supplied to Diablo Canycn Unit 2 and involve " stock" material '(i e. . raw material items which do not involve welding). As of this writing the staff has inspected 14 of the 15 items and found them to conform with requireaents . The s'taff is following up on the last ites (plate washers). The licensee has l selected a 10% sample of the other (non-safety related) inspections related to j the inspector and performed a reinspection (involving 940 welds) . Seven of the 940 reinspected welds were found to have deviations from requirements , these are being properly addressed. Based upon the low defect rate the licensee has concluded that the structures and components installed at Diablo Canyon have-not been adversely impacted by the former inspector's alleged performance. The staff-concurs with ,this conclusion based upon a := view of licensee actions and independent inspection of the fifteen safety-ralated items .
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t Neither the licensee nor the staff can determine conclusively whether the former inspector neglected to do the inspections. The staff has completed a substantial amount of review on the second and third groups of allegations, and to date has not identified problems of safety . significance, the reviews, however, are continuing (e.g. the staff has not completed their review of the Meddco Metals operations). These allegations are mainly general in nature, lacking in specific examples thus requiring extensive interviewing and document reviews. In a parallel effort the licensee has initiated an inspection of installed hardware to allow a direct assessment of material adequacy, separate from the management and programmatic concerns related to the vendor. Items that are being reinspected were selected by reviewing all shop drawings and selected purchase orders involving the vendor's material shipped to the jobsite since 1969 and includes samples of each material type supplied to Diablo Canyon with particular attention to items which are difficult to fabricate or involve special materials. i 90% of the sampling has been completed and the licensee reports that the following trends and results are apparent: r
- l a) General inspections are finding that the existing geometries and dimensions are in conformance with the shop drawings.
b). Hardness tests are indicating that correct material's were provided.
~
c) Visual weld inspections are indicating that vendor welding meets design requirements. d) Records from the NDE documentation research show that full penetration welds by the vendor are satisfactory. - 4 In addition to the licensee's reinspection the staff has independently inspected a small sample (14 types of components) of installed safety related hardware to obtain first hand evidence of product quality. The components l were visually inspected for material damage, weld location, length, size, i ~ shape, reinforcement, appearance and type. The staff did not identify any discrepant material. Records related to this material were reviewed and appeared to be in order. Staff Position Investigations and reviews have been completed on the initial and most alarming allegations. This item is resolved. The reviews are continuing on the other two sets, but, to date significant safety problems have not be:n identified. Based upon staff findings to date and the acceptable results of reinspection of installed hardware it is the' staff's opinion that this issue j no longer requires full resolution prior to a reactor criticality decision. The staff estimates that their investigations will be completed by aid May ( 1984. Action Required
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Complete investigations referenced in the staff position. e e e e j e e e e e l . a e
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PACIFIC GAS AND E LE C T RIC C O M PANY 90W3 l 77 BEALE STR'EET . SAN FRANCISCO. CAttFORNI A 94106 . (415)781 4211
- TWK 910 372 6587 i
J.O.SCMUYLER v cs possant.t March 23, 1484 . PGandE Letter No.: DCL-84-114' . l Mr. John B. Martin, Regional Administrator U. S. Nuclear Regulatory Commission, Region V ' 1450 Maria Lane, Suite 210 Walnut Creek, CA 94596-5368 Re: Docket No. 50-275, OL-DPR-76 Diabic, 'anyon Unit 1 SSER 2 - Allegation 99, Bostrom-Bergen Metal Products ~
Dear Mr. Martin:
Enclosed is the final report on PGandE's sampling of Bcistrom-Bergen/ l Meddco-Metals (BB/MM) materials. This report provides the results of PGandE's investigation and sampling program conducted to verify that BB/MM, a structural steel fabricator for Diablo Canyon, has provided materials and fabrications of appropriate quality. Reins'pection has shown that acceptable materials were provided to Diablo , Canyon by BB/MM. PGandE concludes that the BB/MM quality assurance program did, in fact, assure that materials and fabrications met design requirements. Kindly acknowledge receipt of this material on the enclosed copy of this letter and return it in the enclosed addressed envelope. I Sincerely, Mr>L1 Enclosure , cc: T. W. Bishop . D. G. Eisenhut M. E. Schierling ' l Service List ' ' 'S-
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4 PGandE Letter No.: DCL-84-114 ENCLOSURE FINAL REPORT ON BOSTROM-BERGEN/MEDDC0 METAL MATERIALS SAMPLING. PROGRAM
SUMMARY
i PGandE has recently completed a review of the materials and fabrications supplied by Bostrom-Bergen/Meddco Metals (BB/MM) to the Diablo Canyon Power i Plant (Diablo Canyon). This review was accomplished by performance of hardware reinspections and by reviewing the results of previous reinspections of BB/MM-supplied products. The following report describes the method used to select a representative sampling of BB/MM materials for reinspection. This report also describes the methods used to reinspect the selected materials and fabrications and provides the results of the current and previous reinspections. Evaluation of the reinspection results has-shown that acceptable materials and fabrications were provided to Diablo Canyon. Thus, it is concluded that the BB/MM quality assurance program did, in fact, provide for materials and fabrications that meet design requirements. l
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L) l l 0641d/0005K , ; l L .
e s FINAL REPORT ON BOSTROM-BERGEN/MEDDC0 METAL MATERIALS SAMPLING PROGRAM l INTRODUCTION As a result of allegations regarding the quality assurance practices of Bostrom-Bergen/Meddco Metals, PGandE has performed a reinspection of representative materials supplied by BB/MM to the Diablo Canyon Power Plant.. 8 In PGandE's Letter No. DCL-84-081, dated February 29, 1984,'an interim report on the sampling of the BB/MM materials was provided. This final report concludes PGandE's sampling of the materials supplied by BB/MM. . The objective of the sampling program was to provide additional confiderce, through performance of hardware reinspections, that the quality assurance program in place at BB/MM provided for materials that meet design requirements. To complete the tasks outlined in the interim report, the scope of the sampling program has been finalized and the reinspection of the items selected for review has been completed. The results and conclusions reached as a result of these ' activities are described below. SAMPLE IDENTIFICATION The process of selecting an adequate sampling of items to be reinspected involved compiling a list of all major items supplied by BB/MM to Diablo Canyon. The requirements for each item to be verified by BB/MM's quality assurance program were identified. These requirements were grouped into two general categories: (1) compliance with material specifications, and i (2) compliance with acceptable fabrication techniques. A list of all major BB/MM-supplied items and their requirements in each of the two categories described above is provided in Table 1. Some of the items on the list in Table I were previously reinspected by PGandE. The scope of these previous reinspections was considered when the current samples were selected. Project engineering reviewed Table i to ensure that the total sample, composed of previously and currently reinspected items, I would be representative of all of the products supplied by BB/MM and would specifically include: Major structural items used in applications important to plant safety.
~
1.
- 2. Other items used in nonsafety-related applications.
6
- 3. Samples of the various material , types and fabrication processes.
This selection process is described ,in more detail below.
- A review of Table 1 demonstrates that most of the BB/MM-supplied items were used in nonsafety-related applications. In addition, most of the items were made of common grade, easily weldable materials (e.g., A36 steel). The reinspection sample includes some of these common grade materiais used in safety-related applications. Of more importance were the relatively few items that required the use of higher strength materials (e.g., A441 and A572 steel) which are also readily weldable. Many of these items were included in the reinspection sample.
0641d/0005K _ . _ . _ _ ~ . _ _ _ _ .. _ _ __
4 One of the most frequent uses of high-strength steel-(A490) supplied by BB/MH was for anchor bolts. A large sampling of these bolts was made. Another frequent use of BB/MM-supplied special steels was for pipe rupture restraint rods (A276 type 304). Extensive reinspection-of these rods was previously performed, so they were not included in the current reinspection.-
- The primary fabrication activity requiring quality verification was welding.
Review of Table 1 shows that most of the heavy welding performed by BB/Mt1 was , in the Class I pipe rupture restraints. These rupture restraints were the subject of a previous reinspection (1979-1980). Welding of the non-Class I structural components enclosing the Condensate Polishing System and Reverse Osmosis System was also previously reinspected (January 1984). A sampling of the welding in the few remaining heavy weldments was included in the current program. Also included in the current reinspection program was a sampling of numerous smaller weldsents. In addition to the items described above, four bulk material items were i included in the sample. These samples are from the Class I bulk materials for 4 which a former Bostrom-Bergen (BB) inspector, Mr. George Dossey, alleged that he falsely documented inspections. i After selecting items as described above, additional items were reinspected to include samples from all time spans during which materials were being processed at BB/MM. This was done to ensure that, if changes in BB/MH's quality assurance practices affected the adequacy of materials supplied during a specific time span, the reit.spection sample would include examples of these items. Three distinct time periods were determined to be significant for products supplied to Diablo Canyon. The first time period, 1969-1976, was when Bostrom-Bergen was a subcontractor to Guy F. Atkinson (GFA), the Diablo Canyon general contractor. During this period, the quality requirements imposed on BB were through GFA purchase orders and correspondence. The second time
! period, 1977-1979, was that period in which BB was contracted by H. P. Foley 1
(HPF) and Pacific Gas and Electric Company (PGandE). Work done during this period was performed under the purchase order / specification requirements of both HPF and PGandE. The distinctive feature of this time period was that BB utilized its subsidiary Meddco Metals facility to perform a large portion of the fabrications, principally in the manufacture of rupture restraints. The Meddco Metals work during this time was performed under the BB quality assurance program utilizing BB QA and QC staff. The third time period, 1980-present, was established to distinguish the time in which the work performed by Meddco Metals was under its own quality assurance program, both as a subcontractor to BB and as a direct contractor to PGandE. Histograms depicting the correhtion of the quantities (and completeness) of the items sampled in the current reinspection program to the quantities of materials produced at BB/MM are provided in Figure 1. These histograms have been normalized (drawn to a comon scale) to show that the relative density of work processed through time at BB/MH has been reflected in the reinspection program. Figure 2 provides a summary of all the BB/MM materials that were reinspected in both previous and current sampling programs. In summary, most of the material supplied by BB/MH was common grade and was used in nonsafety-related applications. Much of the special steel and heavy 0641d/0005K ___
.-- .4 a _a ._.l.,
, i .
welding had been previously reinspected. Thus, the current reinspection sample was composed of pieces selected from the relatively few remaining items and provides a representative sampling of the various grades, fabrication processes, time frames, and structurally important applications of the BB/MM supplied materials. REINSPECTION METHODS Reinspection of the selected BB/MH items included verification of both sterials and fabrications. Material verification was accomplished primarily by hardness testing. Hardness readings were taken in the field using an Equotip testing machine. This test provides an indirect measurement of a material's tensile strength. In a few cases, further confirmation of a .
. material type was achieved by (1) removing a portion of the. sampled item, (2) repeating the hardness test in a laboratory using a full-size Rockwell Hardness Tester and (3) performing a chemical analysis on the removed specimen.
Fabrication verifications were accomplished by: (1) general inspections, (2) visual weld inspections, and (3) nondestructive examination (NDE) weld inspections. General inspections compared existing assemblies to shop drawings to verify geometrical and dimensional conformance. Visual inspections were performed on the welds made by BB/MM and were verified in accordance with AWS criteria. For items requiring heavy shop welding, existing NDE tests performed by an independent laboratory were reviewed. The reinspection test methods are further described in Appendices 1 and 2 to this report, which are sumaries prepared by Bechtel's Materials and Quality Services (M&QS) Department. M&QS personnel performed the hardness and l chemical analysis tests as well as the visual weld inspections. R INSPECTION FINDINGS A total of 112 individual items (or assemblies) were reinspected in the current program. Table 2 provides a list of these reinspected items, the specific tests performed on each item, and the results of the reinspections. Previous reinspections addressed the rupture restraint rods, the BB/MM rupture i restraint welds, and the Condensate Polishing System / Reverse Osmosis System component welds. Figure 2 briefly summarizes the extent of all of these BB/MM material reinspections. l l Material Verification In the area of material verification, common grade steel (A36), high-strength steels (A441, A490, and A572), and stainless steels (A240, type 304) were reinspected in the current program.* A36 steel was frequently supplied for embeds (plates) and beams (structural shapes). Hardness tests were performed on twenty A36 plates and sixteen A36 structural-shapes. ' Hardness tests were also performed on two A572 beams, two A441 beams, nine A441 plates, and two A240 plates. In every case, the hardness tests indicated that the specified material had been provided. In addition, specimens were removed from three stainless steel plates and were subjected to chemical analysis. All three specimens were found to meet ASTM chemical requirements. Appendix 2 to.this report contains the data resulting from the stainless steel chemical analyses. 0641d/0005K - u. . i____.______. _ _ _ _ _ - __ __
g- t A total of 58 A490 anchor bolts was also hardness tested. A490 is a high-strength bolt material whose fabrication requires a special process of quenching and tempering. The field hardness tests were performed on the ends of the bolts. The field readings indicated that high-strength steel had been l provided, but some of the readings were outside of the range given in the ASTM A490 specification. Further investigation was performed by removing a small specimen from the ends of six bolts. The six specimens were selected to envelope the range of field hardness readings. ASTM recommends that hardness tests be made at one bolt diameter from the end of the bolt. Due to the short projection of the bolts beyond their nuts, this was not feasible and the , specimens were cut approximately 1/8" from the ends of the bolts. The'six specimens were subjected to hardness tests in the M&QS 1aboratory. The spread in the readings narrowed and all were in or near specification requirements,. It was judged that, since the hardness readings were very close to A490 requirements, if the specimens had been taken at the one bolt diameter depth, the hardnesses would be within the specified limits. Additional confirmation of conformance to A490 specifications was then achieved by performing an l analysis of the chemical composition of the six specimens. All six specimens ' met the chemical requirements of the A490 specification. Thus, upon
- evaluation of all compiled data, it was concluded that the bolts were made of acceptable A490 material. Appendix 1 to this report provides a plot of the distribution of the field and laboratory hardness readings and provides i additional information on the A490 bolt testing and data evaluation.
Previous reinspections of BB/MM-supplied material included review of the U-bolts and straight rods used for the pipe rupture restraints. The material used was specified to have a yield strength between 34 and 46 ksi, which was required to achieve the ductility necessary to absorb the energy created by pipe rupture loading. The rods that left BB/MM's shop met all specification requirements. In 1982, project engineering initiated a testing program to confirm that the actual ductilities of the installed rods, as measured by l hardness testing, were adequate. All 842 rods installed in Unit I were ~ hardness tested. 3ased on the test results, rods found to be outside the required hardness range were solution reannealed and retested. Rods which did 1 not achieve the required yield strength after reannealing were replaced by new rods. NCR No. DCl-83-EN-031 was written against these rods. The excessive , l hardness found in some of the rods was attributed to the fabrication sequencing that occurred at the steel mill (not at BB/MM). Hardness testing was not a specification requirement and thus, there was no error made when BB/MM's QA program accepted the rods. , i Fabrication Verification I
-In the area of fabrication verification, general conformance to shop drawings ,
was reviewed for 86 of the items sampled in the current program. All were l t found to be in conformance with the shop drawings. A previous reinspection of l 1 the BB/MM-supplied pipe rupture restraint rods, performed in 1982 and 1983, reviewed 439 straight rods and nineteen U-bolts for straightness and' dimensional conformance to design drawings. All were found acceptable. i Visual inspections were performed on the 22 assemblies in the current sample , that contained shop (BB/MM) welds. AWS visual weld inspection criteria, as l outlined in Bechtel Standard VE-AWS, were used for this reinspection. This l 1 standard was attached as Appendix B to the interim report (PGandE Letter l - No. DCL-84-081). The weldments visually inspected generally contained small 0641d/0005K j l 1
fillet welds in attachments to structural beams, jet impingement barriers, and ! platforms. Although a few welds had some very minor indications, all of the welds were found to meet design requirements. Most of the heavy welding performed by BB/MM was in the pipe rupture restraints, which had been previously reinspected. An initial sampling of the BB/MM pipe rupture restraint welds was reinspected by MT and UT examination. i The reinspections were performed in 1979 and 1920 when the restraints had been installed in the plant. From the initial sample, engineering identified all shop welds which required further examination. Although some defects were . found in the BB/MM welds, subsequent engineering evaluation found them to be , acceptable. Further investigation found that the defects were related to a (qualified) BB/m welding procedure which was used only on the fabrication.of
- the rupture restraints. An NCR, No. DCl-79-RM-010, was written against these t welds and the deficiencies were appropriately reported to the NRC per
; 10 CFR 50.55(e) on May 3, 1979. Review of the BB/MM welding procedures determined that the defects could have occurred at any time (i.e., either before or after shipment to the jobsite). In order to confirm that the BB/MM quality assurance requirements had been properly executed, the shop-weld NDE records were recently reviewed. This review confirmed that the required NDE
! had been performed by independent laboratories. These NDE reports indicated that the defects did not exist when the assemblies left BB/MM's shop, thus, there was no breakdown in BB/MM's quality assurance program. The previous reinspection of the BB/MM welding in the Condensate Polishing
- System and the Reverse Osmosis System components is described in Section 4.1 of PGandE Letter No. DCL-84-051, dated February 10,19B4. This reinspection
! sampled 58 piece marks containing 940 individual welds that were directly related to Mr. Dossey's allegations. This reinspection, performed in , January 1984,.confirued the adequacy of the subject BB/MM welding. The previous reinspections described above addressed most of the heavy welding performed by BB/MM. Of the few remaining heavy weldments, three were addressed in the current sampling program. These were in the reactor support beam, auxiliary building jet impingement barrier beams, and the component . cooling water heat exchanger barrier beams. The PGandE specifications and the BB/MM shop drawings for these assemblies specified that UT and MT NDE was required. The corresponding inspection. records were reviewed. The records l indicated that the required UT and MT were performed and that the welds were found to be acceptable. The NDE technician who performed the weld i examinations was a qualified Level II inspector whose qualifications are on file. CONCLUSION i As a result of allegations regarding the quality assurance practices used at BB/MM, extensive reinspection of the BB/MM materials and their fabrication was performed. Although previous reinspections identified a few deficiencies in the BB/MM-supplied materials, these were not attributable to a breakdown in i the BB/MM quality assurance program. All of the deficiencies have been corrected by PGandE. For every item sampled in the current program, reinspection showed that acceptable materials and fabrications were provided to Diablo Canyon. Thus, it is concluded that the BB/MM quality assurance program did, in fact, provide for materials and fabrications that meet design requirements. _ 9 0641d/0005K - .- - -- - - _ _ _ - _ - - _ - - - - - - _ _ _ - _ _ _ __ _ - _ _ _ _ _ _ _ _
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Items Reinspected Extent of Reinspection Date of Reinspection Ripe Rupture Restraint Shop Welds An initial sample of the 1979 - 1980 BB/MM welds was made. Based on this sample, engineering identified the additional shop welds that required further examination. Ripe Rupture Restarint Rods and U-Bolts 100% of the straight rods 1982 - 1983 were hardness tested. About 50% of the rods and U-Bolds were reinspected for general conformance to shop drawings. Condensate Polishing System / Reverse 58 Randomly selected piece January 1984 marks conteinliig 740 indivi-Osmosis System component welds (per the Dossey allegations) dual welds were reinspected. Representative sample of all products 112 piece marks were re-Feb. - Mar. 1984 inspected for general (current program) supplied by BB/MM conformance to shop, drawings, conformance to material requirements and conformance to fabrication (welding) requirements. Table 2 provides a detailed description of these reinspections. FIGURE 2 -
SUMMARY
OF BB/MM HARDWARE REINSPECTIONS
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TABLE I ITEMS SUPPLIED BY BOSTROM-KAGEN/EDDC0 ETAL SAFETY-RELATED MATERIAL TYPE. FABRICATION KIN $pECTED ITEM YES NO A36 OTER NORMAL HEAVY STRUCTU K KSCRIPTION OTHER YES NO KfmES (SPECIFY) WELDING (SPECIFY) (KSCRIK) TUnsINE Post Sockets X X X X BUILDING Munerall Supports X X X X Sletter shapes used in (Structural Shapes) other app 1tcations were reinspected. Hatch Cover X X X X Frames and Seats (Angles) , Ladder Rungs
- X X X X (Rods)
Supports for X X X X Steller shapes acid in Metal Decks other appilcations were (Structural Shapes) refaspected. Ltfting Inserts X X X' X (Plates) CCWE Pipe Support I A307 I I Anchor bolts used in Column Anchor Bolts other appitcations were refnspected. l Leveling Plates for X X X X Suftchgear Freight Elevator X X X X Enclosure (Plates and Structural Shapes) Anchor Plates for X X X X Block Walls MMd TABLE 1 ITEMS SIFPLIED BY 90STROM-K AGEN/E 00C0 ETAL SAFETY-KLATED MATERIAL TYPE , FABRICATION ' REINSPECTED ITEM YES NO A36 OTER NORMAL E AVY OTER YES NO KERS STRUCTURE KSCRIPTION (SPECIFY) ELDING (SPECIFY) (MSCRIK) TURBINE Support Coliaans I I I I $1nfiar shapes used in BUILDING for Blackwells, other appifcations were Area A (Structural refaspected. Shapes) Floor openfne I I I I Sleeves (Angfes and Pipes) Colume Line (5) I I I I Ffrewa11 Frane (Structural Shapes) , Ffre Damper I I I I Frames Area A (Angles) CCWE I A572 X I Barrier 1 beam (Structural Shapes saspled and Plates) P1pe Rupture I A441, X I Included fa prevIoss Restralnts AS72 (see reinspectIons. (Structural Shapes remarts) and Plates) Pfpe Rupture I A276 I I inc1uded fa previews Restrafnts type 304 (see refaspectIons. (Rods and U-Bolts) remarks) Of1 Receiving and I I I I Storage Roon Roof , and MonorafI Supports (Structural Shepes) 0605d
~
TABLE 1 ITEMS StPPLIED BY BOSTROM-KRGEN/EDDC0 ETAL SAFETY-ilELATED MATEXIAL TYPE FA8RICATION REINSPECTED ITEM YES NO A36 OTHER NORMAL HEAVY OTHER YES NO REMuuts STRUCTURE DESCRIPTION (SPECIFY) WELDING (SPECIFY) (DESCRIBE) C TURBINE Steel Beans X X X X Steller shapes used BUILDING at El.119'-2* fn other appilcations (Structural Shapes) were refnspected. Expansion Joint X X X X Between Turbine - and Aux. Butidfags (Plate) Spring Support X X X X Sfeller shapes used in Beans Area 54C, other applications were E1, 140'-0* , reinspected. (Structural Shapes) Platfom P17T X X X X Steller shapes used in (Structural Shapes) other appifcations were reinspected. Platforn PI8T X X X X Stellar shapes used in (Structural Shapes) other appifcations were refnspected. AUXILIARY Enbed Plates X X X X BUILDING S plates sampled Pisap and Motor X A325, X X Anchor bolts used in Anchor Bolts A490 other appitcations were reinspected. Edge Angles X X X X 0605d 1l{1 l ,l fl! (! s n do ei. st
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p t s tp p dt a i sr ra sa l a N ' e ta oh rh el O h rB pS oS eiP I T s n d e S d) eee e -h e p ul o Dl nh tsd ora n e a r l) rRt r U sd a d IP DI n usas u a us nn I a Sa r h r) TR ass ttre ttl ttd l u sus l o rtl pnut pap pan gs etr ts IC uf a it S Fae en) uita Racl uf( Ra Ra ne ac l f ca a mel ce E D hSns ruP rs rs it ru or er uB 1 tg etr etn etd ta c ad psa pso fl nt rtd don tdhu pstd f eSn iee t eR iP oS iSn ora anCt l a(S l PR( a PRB PR( L( e( l W(a SP( E Y R RGI U AI d T II LD 5 C 0 U IL 6 R XI 0 T UU S AB jl llll l ll( lI . l llfI 1 tl liI llll)ll
TABLE 1 ITEMS SUPPLIED BY 80STROM-KRGEN/MEDOC0 ETAL I SAFETY-RELATED MATERIAL TYPE FABRICATION REINSPECTED ITEM 'YES NO A36 OTHER' NORMAL HEAVY OTER YES NO REMAIBt3 STRUCTURE DESCRIPTION (SPECIFY) WELDING (SPECIFY) (DESCRIK) AUXILIARY CVCS Deeds I X X BUILDING (Angles. Channels X Er6eded plates used in and Plates) other appilcations were reinspected.
; Removable Shield I X X X Wall Plates
- Selsnic Restrafat I X X X for RHRHE (Bars and Plates)
Sensor Probe X X X Ersed (Pipe and Grating) . . i Main Steam Reitef I I X X Steller shapes used in Stack Platfom and other appifcations were Bracing (Structural reinspected. Shapes and Plates) Battery Rack Bracing I I I I (Structural Shapes 2 angles 4 and Plates) 3 plates sagled I l Jet Impf agement I M 41 X X Steel (Structural A572 2 beams Shapes and Plates) and I plate sampled CONTAINENT Rupture Restrafat I X X A total of 58 A490 Anchor Bolts M90 (see contalment anchor renerks) bolts were ref nspected including 18 rupture
. restraf nt bolts.
0605d
~
T'.BLE 1 ITEMS SIFPLIED BY BOSTROM-BERGEN/EDDC0 ETAL , SAFETY-ELATED MATERIAL TYPE FABRICATION REINSPECTED ITEM
- VES NO A36 OTE R NORMAL HEAVY OTHER YES NO EMES STRUCTUK DESCRIPTION (SPECIFY) WELDING (SPECIFY) (OESCRIBE)
CfBITAll#ENT Reactor Head X X X X Storage Ested (Plate and Studs) Polar Crane X ASTM AI X X Rafi ralls - (AISI 1000) Fan Cooler X X X X E ded Franes (Channels and Studs) Pressurtzer X X A325 X X Shield bolts. (Plates. Grating coussercial Bolts) grating i Fuel Transfer X X X X Tube Shield and Holst (Plates) Reactor Loop X X A441 X X Included in previous Pipe Restrafats (see reinspections. (Structural Shapes) remerts) Jfb Crane X A501 X X (Pipes and Bolts) pfpe. A325 bolts Feedwater X X A441 X X Included in Restra1nts (see prevIoss (Structural Shapes reoarts) - . reinspections. and Plates) 0605d
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TABLE 1 ITEMS StrPLIED BT BOSTROM-EEREEN/IEDOCO ETAL
$SAF(TY-RELATED MATERIAL TYPE FASRICATIM REINSPECTES ITEN R$ NO A36 OTER ' HORMAL EAVT OTER M NO Epams i STRUCTWE BESCRIPTIM (SPECIFT) ELDING (SpECIFT) (LdSCRIGE) 1 CONTAIIDENT Pfpe Rupture I A276 I I included in prevfees Restrafats type 304 (see refaspections.
j (Rods and U-Bolts) remarts) Pipe Rupture I AI51 I I Restrafat Crushable 1010 Baupers (Plate) } Manipulater I I A307 I I Crane Raf1 Supports helts (Plate and Seits) l Steam Generater I I A501 I I Manway Cover MeIst. . pipe
- l (Pfpe Angles and Plate teams at I I I I Stefler shapes used fa
, E1. 140'-0" ether appifcatfens ] (Structural Shapes) were refaspected. a Grating'at I causercial I I l E1. 140 -0* grating j l Cable Support I A307 I I l at E1. 140'- O' helts.
, (Pipe and Belts) A501 l PIPE Rec 1rc. Say I I type I I Screens 304 (Grating and Angles) grating 0605d .
~
TA8LE 1
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ITEMS SIFPLIED BY BOSTROM-KilGEN/EDDC0 ETAL SAFETY-ELATED MATERIAL TYPE FABRICATION REINSPECTED ITDI YES NO A36 OTKit NORMAL EAVY OTHER YES NO STRUCTURE DESCRIPTI(Il REMAR$ (SPECIFY) ELDING (SPECIFY) (DESCRIK) CONTAINENT Pipe Sleeves X A501 X X for Penetrations Eded Plates X X A240 X X type 304 7 A36 plates and 3 A240 plates sampled Soldier Beans X X X (Structural Shapes) X Ededded fa { ' concrete. Cover Plates at X X X Exterfor X Connected to ededded Penetrations soldfer beams. l Anchor Bolts X A490 X X A total of 58 A490 A325 (see contafseent anchor bolts A307 remerts) were refnspected. Stafr Nosings X X X X Post Sockets I X X X j Neutron Detector I A240 X X l ,Gufdes and type 304
*'sttioning Device A312
- iripes and Plate) type 304 Edge Angles X X X X
~
l . 0605d
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TABLE 1 ITEMS SUPPLIED BY 80STROM-8ERGEN/E DOCO ETAL SAFETY-RELATED MATERIAL TYPE FABRICATION KINSPECTED ITDI YES NO A36 OTER NORMAL EAVY OTER YES 10 0 KMARS STRUCTURE DESCRIPT!0ll (SPECIFY) ELDING (SPECIFY) (DESCRIBE) CONTAllBENT Hatch Frames X X X X and Seats (Angles and Channels) Annulus Structure X X A307 X . X Support Anchors bolts 2 plates (Plates and Bolts) sampled Reactor Support X A588 X X Inaccessible for Bean and Coolfng (see visual reinspection; ' Block remarts IIDE records were reviewed. Transfer Can'al X X X X Shfeld Plates Anchor Bolts at X A307 X A total of 58 M90 E1. 91 ' , 100 ' A325 (see- contafrusent anchor and 112' M90 X remerts) anchor bolts were refnspected, llCP Support X X X Anchor bolts used in Anchor Bolts M90 other appifcations were bolts reinspected. Hydraulic Support X X M90 X X Anchor bolts used in Structure Anchors bolts other appifcations were (Bolts and Plates) refespected. IICP Cross-Over X X A572 X X Included in Pfpe Rupture (see prevfous Restraf at Erbeds remerts) reinspections. (Plates) 0605d - lu -
- J
TAILE 1 I j ITDES SirPLIES N BOSTAM-MMEN/9EBOCO IETAL '
~
! 5AFETT *4LATES IIATERIAL TVPE FABRICATIN REINSPECTES i *
- ITDI TES NO AM STIER 50 MAL SEMY STWR M5 i- 5TauCTWE BESCRIPTIM (SPECIFY)
BS ElmKS . IELDIIIG (PECIFT) (KSCRIK) i i CMTAIWEET Steen Genereter I I I E Supports at E1.138' 2 plates l E1.13B' (PIntes) sampled l 1 Steen Generater I I Supports at E1.138' A490 I A total of 50 A490 ces-E1. 13B' 8 belts tainment ancher bolts sampled were refespected. (Anchor Belts) < Pipe Restrefst I I I Sleeves I locloded fa prevlees (see refmseectfens. ' remerts) Pfpowey Sepaart , .I I A490 I Enheds (Plates I Ancher belts used in belts other appifcattens were and Ancher Selts) refespected.
- t 4,
Reacter lefssile I I I I Shield (Structural I beam Shepes and Plates) sampled l Veriable Sprfog I I I I J Pipe Support i (Channels A Plates) Egefyment IIntch I I - .I I i Trelley
- (Structeral Shapes)
I 1 l Egelpment listch I ASCE I I { Rails rolls t i k i ! 0605d j t l . _ _ ,
3 s n n o i s S dti. ead dn . eod E L sce uf t sie utt I speic ac I sce K tpp l as ef p tis o n a pn brf l pi ee pae r rhr ot dr hoe r eee c nne Af w ehr Eow te O X X I X X X D N X I E T C E P ) S N I K I sd E SR me al R EC TS ep E Ibm D a ( 3s
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. A $ . T 0 9 - Y B )
Y 5 D E RFI , s 3 E P 21 Ei 5 3 I L Y T EC TE 44 24 Cf Sa 2 5 9 . 1 r _. P O'5 AA Ar A AG F L I S A I ( S R M E - T E A X T M 6 X X I I X I 3 A D E T A 0 X X X X L u I X E I I Y T S E E X X F Y X A S . l ) ) a s s s r e l e p t s u p a c r N ht h a r a u o O cc c h yu h D t u t s S et $ ) h I T ar a m lc . r l s sc s MP Mt M l lu l i e t en e EI S a e '6 a or a r Are ot l o tA a l TR l( l B0r rt su dtS B g IC e e 1 u TS ll n S n y) n s () drt ec Pl A E nes n u .t c e s aec dat r a D ol e o l1 u rse eiu dee o dW e sl p si uEr omp Hrr eRe h e g roa erh rf ea n ntS t caa neh IsS VaS RC( rt dosh Et( A c n mor Ef d E PTS PR Aa( T T N S N E R E R E O D U S T l T l l LA l o C A ER A s U T SE T o R I EN I B c T B IE ( O S I C DG C
. I i! l <I
4 TABLE 1 ITEMS SUPPLIES BY 00STROM-K AGEN/E DOCO E TAL 5AFETY-NLATES MATERIAL TYPE FABRICATIN REINSPECTER ITDI VES NO A36 OTER NOAHAL E AVY STER TES NO RElWLES STRUCTUK KSCRIPTION (SPECIFY) ELDING (SPECIFY) (KSCRIK) CMTAllEENT E saust Pipe X X X X Restrafats at El.199' and 202' (Structural Shapes) Tornade Barriers X X X X (Structural Shapes and Plates) DISCHAREE X X A276 X X STRUCTURE Eded Plates type 316 o GUT 900R MATER Foundetten Ancher X A240 X X STORAGE TA E Rfags-Primary. Tank, . type 304 1 plate (Plates) sampled Foundetten Ancher X A240 X X Rings - Other Tanks type 304 (Plates) Foundetten Ancher X A193 X I Ancher bolts used Bolts-Primary Tank Er. B7 fa ether appifcations i were refaspected. , Foundation Anchor X A193 X X Anchor bolts used Bolts - Other Tanks Gr. B7 in other applicattens were reisspected. FUEL Filter Bank Access X X X X Steller shapes used fs HAMLING Platforms other app 11 cations were IUILDlIIG (Structural Shapes) reinspected. l 06054 l \
TABLE 1 ITEMS $1PPLIES OY BOSTROM-EREEN/EDDC0 ETAL . s a TT- ELATED NATERIAL TVPE FABRICATION MINSPECTES ITEN VES NO AM OTER NOMIAL EAVY OTER WS 11 0 ElmES STRUCTUK KSCRIPTICII ($PECIFY) ELDING (5PECIFY) '(MSCRIE) FUEL Ffmed and feevable X X commercfal X X HANDLING Partitles Wells grade CILDIIIG (Structural Shapes siding and $1dlag) Radletten Shfeld I X X - X Wells (Plates) Filter Bank X . X X - X Ededded Franes (Structural Shapes) Embed I X X X Plates , , 5 plates sasyled Aant. popar X X X Support m X Sinfler shapes used le (Structs.al Shapes) other applications were refaspected. Afr-Tfght X X X X Door Frames (Plates) Manipulater Crane X X X X Rafi Support (Structural Shapes and Plates) Duct Supports X X X X Similar shapes used in at E1.180' other appifcations were (Structural Shapes) reinspected.
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i a TABLE 1 ITEMS SUPPLIED BY BOSTROM-KRGEN/EDDC0 ETAL SAFETY-KLATED MATERIAL TYPE FABRICATION REINSPECTED ITEM YES NO A36 OTER IIORMAL EAVY OTE R STRUCTURE DESCRIPTION (SPECIFY) YES 11 0 KimKS ELDING (SPECIFY) (OESCRIK) 4 RADWASTE Rollfag Doors I I I 1 I BUILDING and Stapports (Structural Shapes and Plates)
) ~
Manorall Supports I I I - I Steller shapes 'esed fa (Structural Shapes) other appitcations were refnspected. 4 INTME Screen Refuse I A276 I I STRUCTURE Hopper (Angles, type 316 Grating Wire Mesh) Gate Guides , ,
. I cast f ron I I Doonsay Frames I I I I (Angles) i i
Mtscellaneous I I I I Embeds (Angles) l Embeds I I I I ! (ASW Pwy Base Ring Angles) i l AUXILIARY 12" 1 hick Rollfeg I I I I 4 BUILDilIG Door (Plates) Radfation Shfeld I I I I
- Door (Plates) i' Edge Angles I I I I for Post-LOCA .
Sampling Room i 060Cd - _ _
TA8LE 1 4 ITEMS SUPPLIED BY DOSTROM-E RGEN/E DOCO E TAL SAFETY-RELATED MATERIAL TYPE FASRICATION REIN 9ECTED ITEM K5 HO A36 OTER NOINEL EAVT OTER STRUCTURE KSCRIPTION VES NO RElglRS (SPECIFY) ELDING (SPECIFT) (DESCRIK) i CONDENSATE Colisui and Bese I I I , POLI 5NING Anchor Plates I / SYSTEM Structral I I I l Fraeiog I Included fn prevfous (Structural Shapes) (see reInspectfons. i remerts) Floor Plates I I I and Supports 'I Included fa prevfous (Structural Shapes (see refnspections. and Plates) remarts) 1 Stairways . I I i I (Structural Sh' apes I and Plates) i FEL Gross Gamma I I I NANDLIIIG MonIter Support I BUILDING Platform ' (Structural Shapes and Pla'tes) i REVERSE Anchor Bolts I expansion I 05M0515 I anchors j Curt Angles I I I ! I i structural I I I 4 Freefag I (Structural Shapes) 2 columns and 2 base plates sampled
~
J
; 0605d I
i TAKE 1 ITEMS SIFPLIED BY BOSTRIBI-EMEN/K80C0 ETAL
?
l SAFETY-KLATED MTERIAL TYPE FASAICATION REINSPECTED ITEM YES NO A36 OVER
- EAVT NORML OTE R TES NO KRIIts STRUCTUE KSCRIPTI0li ($PECIFT) ELDIIIG (SPECIFT) (KSCRIK) i KVERSE Stafrways I X X f 0518515 (Structural Shapes X
! and Plates)
TRAluluG Structural X X X X
! OulLDIIIG Foundetten -
(Structural Shapes) Stairways I X X (Structural Shapes X and Plates) 0
, TURRI] Storage Rack I X X X OUILDilIG (Pipes) , ,
f l i f l I r 4 l 1 0605d
TABLE 2 B0STROM-KRGEN/IED0C0 ETAL ITEMS SAMLED AINI REINSPECTION KSULTS l SA MLED ITEM MATERIAL VERIFICATION FABRICATION VERIFICATION VISUAL 88/191 DATE OF ENERAL WELD ElIERAL PIECE PIECE FABRI. HARDNESS TENSILE CKNICAL CONFOR-KSCRIPTION INSPECT- RDIAKS K SCRIPTION MAK CATION READIllG STRENGTH IIESULTS ANALT515 KSULTS MANCE RESULTS TION KSULT5 NDE KSULTS i CONTAIIIENT Unit 1 B343 Feb 119 59 ksi OK (2) (1) INTERIOR E1. M , Loop #1,
-O' Pfpe 1972 BHN (1) -
(1) - No exposed shop ,- EMBED PLATES Rupture weld on this i Restrafat Esbed pIoce, (A-36) . Unit I gloop fl. H343 Feb 117 58 ks! OK (2) - (1) - (1) - (1) No exposed shop l E1. M -0* Pipe 1972 BHM Rupture weld on this j Restraf at Eded piece. o (A-36)
- Unit 1 1044 Feb 127 63 kst OK (2) (1)
E1. M , -O LoopPipe #3 ' 1972 BHIl (1) - (1) - No exposed shop Rupture neld on this , Restrafat Ed ed piece, (A-36) Unit 1, Loop #4 18344 leer 126 63 kst OK (2) (1) E1. M -0 Pfpe 1972 (1) - (1) - leo exposed shop BMIl Rupture weld on thIs Restrafat Em ed piece. ( A-36)
- l Unit 1 K343 Mar 121 60 kst OK (2) (1)
El. M , Loop #4
-0* Pipe (1) -
(1) - llo esposed shop 1972 BHN Rupture weld on this Restrafat Ed ed piece. (A-36) Unit 1. Loop #2 8221 Jan 148 73 ksi OK (2) (1) Steen Generator (1) - (1) - les exposed shop 1973 BHIl
, Lateral Support weld on thfs p f ece.
at E1. 111'-0* l (A-36) ' i i-l 0526d 4
. TA8LE 2 1
305TROM-KREN/E00C0 ETAL ITEMS SAMLED AIS KINSPECTION ESULTS SAptED ITEN MATERIAL VERIFICATION FABRICATION VERIFICATION VISUAL BS/ DOI DATE OF GENERAL WELD GEK RAL PIECE PIECE FASRI- HAiBNESS TENSILE CKMICAL CONFOR. INSPECT- RD44K5
- KSCRIPTIGI K SCRIPTION MAK CATION KADING ST ENGTH KSULTS ANALYSIS K5ULTS MANCE KSULTS TION KSULTS NDE K5ULTS l
CONTAINENT Unit 1. Loop fl. B221 Jan 153 75 kst OK (2) - (1) - (1) - (1) - No esposed shop INTERIOR Steen Generator -A 1973 Ble weld on this EMBED PLATES Lateral y rt at E1. 111 -0* pfece. i (A-36) - CONTAIINENT unit I gtoop fl. M343 Feb 38.0 - OK (2) - I OK (1) - (1) - INTERIOR E1. M -0* -2 1972 HRC ANCHOR 80LTS Pipe Rupture Restraf at (M90) , , Unit I gloop fl. H343 Feb 36.6 - OK (2) - X OK (1) - (1) -
! El. M -G" -A , 1972 NAC Pipe Rupture -ah Restraint (M90) '
Unit I gloop fl. 5343 Feb 36.7 - OK (2) - X OK (1) - (1) - i E1. M -0* -ac 1972 HRC Pipe Rupture j Restraint (M90) Unit i toop'#1 g e343 Feb 3s.4 - OK (2) - x OK (1) - (1) - E1. 94 -O* -A 1972 HRC i Pfpe Rupture -ac Restraint (M90) Unit 1, Lop #1 C225 Feb 36.7 - OK (2) - x OK (1) - (1) - E1. M -Q 1972 HRC
, Pfpe Rupture Restraint (M90)
Unit I g loop fl. C225 Feb 34.2 - OK (2) - X OK (1) - (1) - , El 94 -0* -A 1972 HRC Pfpe Rupture . Restraint (M90) f 0526d 1 xl i a 5 dc r 1g ni 4 e p ei ms s. M ph s t E Acyl a R l u eras eone Sfar S T - - - L - - - U S K
) ) ) ) ) )
N E 1 1 1 O D 1 1 ( 1 ( ( ( (
==
I N ( T A C I S F T I L R U - - - -
~
E S - - V K N O T I L C T A E ) ) ) ) A UDPll ) ) 1 1 1 1 C SLS0 1 1 ( ( ( ( ( S I IEN1 ( T R VNIT L B U A S S F T L K K U S K O K O K O K O K O O K I I . C I T L - C AR E ROE P EFC S NNN N EOA 1 I I I I GCM I I E R S s l T L U A S K O - - - - - D E E L 2 M A LS AI E S CS - IY ) ) ) ) L S N ML ) 3 B 2 2 2 2 2 M O _ A T E T I T KA CA l l I ( ( ( ( ( I A C L I S A F . T T I L R U K K E E S K O K O K O K O O O 0 V E 1 - C O D E L A I R E ET LG H
/ T IN N
E A M SE N ET - R TS - - - - - K- S M SG O EN R NI OD 9. C 1. C 5. C 1. C 8. C 1. C T 7R 4R 6R 7R 3R S RA 9N 3H 3H 3H O A 3H 3H 3H B MK _ F - O N IO 2 2 2 2 ERI 2 2 b7 TBT b7 b7 k7 b7 b7 e9 e9 e9 e9 e9 AAA e9 F1 F1 F1 F1 F1 DFC F1 IE O 0 0 0 0 0 C 0 2A AEm SIh 2 21 2A 21 2 22 2A 22 2 23 23 A-BPM A - A- A- A- A-t t t t
. rr t
. rr t
. rr . rr . rr . rr oo l oo l oo l oo l oo l oo tp l
f tp f tp f tp f t p f tp f ap ap ap ap _ ap ap p ru N O p o* ru eS p o* eS ru pesru pru eS p eS o0 n ru o* eS o0n I I o0n o0n o0 n o0 n l- el D T P l - el g Ga L-I Ga el L ,-Gael L ,-Gael L ,-Gael g Ga T c) c) c) I ER I IMmi0 c) 1Mmi0 c) 1Mmi0 t at9 c) 1Mui0 t at9 1M t ni0 et9 IMmi0 t at9 D CC t at9 t at9 E L ES IE i . er n1 tem i n1 .erMte n1 tem i .er i n1 .erM UESV( te i .er nlteM UESV( n1 tem i . er UESV( PD UESV( UESV( UESV( M A S S N T T O N L I E O T MRB LP NO AI IIR d RR ARO 6 EC TEH 2 NS NTC 5 EE ONI I 0 GO CIA
.' l l l . ' ,j !! <!
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TABLE 2 BOSTROM-KRGEN/MEDOC0 ETAL ITEMS SAMLED AND KileSPECTION llESULTS ' SAMLED ITDI MATERIAL VERIFICATION FABRICATION VERIFICATION VISUAL
. Behel DATE OF GENERAL MELD i
GENERAL PIECE PIECE FABRI- NAINNIESS TENSILE CHEMICAL CONFOR- INSPECT- REMARS KSCRIPTIIRI MAK DESCRIPTION CATION READIllG STRENGTH RESULTS AllALYSIS ESULTS MAIICE RESULTS TION ESULTS NDE RESULTS CONTAllSENT Unit I gloop fl. A220 Feb 38.8 - OK (2) INTERIOR E1. N -0* -4
- X OK (1) -
(1) - i ' 1972 HRC AIICHOR BOLTS Steas Generator Vertical Sapport (A490) ' i Unit I gloop fl. A220 Feb 38.9 - OK (2) - X R ,(1) - (1) - E1. M -0* -4A 1972 HRC Stean Generator vertical Support , (A490) Unit I loop #2. - 8341 Feb 37.4 - OK (2) - R (1) g El. 94 -0* Pfpe -ac 1972 MAC X - (1) - Rupture Restraf at (A490) Unit 1. Loop #2 3343 Feb 34.5 - OK (2) (1) E1. 94 '-0* Pfpe -A 1972 I CK - (1) - HRC Rupture -ac Restrafat (A490) Unit 1. Loop #2 B343 Feb 35.7 - OK (2) E1. 94'-0* Pipe -1
- X OK (1) -
(1) - 1972 HitC llupture -ac Restrafat (A490) l Unit 1. Loop #2, 8343 Feb 34.9 - OK (2) X (E (1) E1. 94 '-0* P f pe -1 A (1) - 1972 MitC llupture -ac Restrafat (A490) Unit 1. Loop #2 K344 Feb 36.0 - OK (2) (E (1) E1. 94 *-0* Pipe
- X -
(1) -
-af 1972 HRC '
Rupture Restrafat (A490) 0526d ..
TA8LE 2 ~ d DOSTROM-KRGEN/MEDOC0 ETAL ITEMS SAfrLED AND KINSPECTION KSULTS SAfrLED ITEM MATERIAL W RIFICATION FABRICATION VERIFICATI0ll VISUAL BS/let BATE OF GEERAL ELD GENERAL PIECE PIECE FASRI. HARDNESS TENSILE CHEMICAL CONFOR-KSCRIPTIGIl KSCRIPTION M4lgt INSPECT- REM 41gCS CATICII KADING ST KleGTH KSULTS ANALYSIS KSULTS MANCE ESULTS TION ESULTS NDE E SULTS CONTAINNENT Unit I glop #2 K344 Feb 37.7 - OK (2) - X OK (1) (1) INTERIOR El. M -0 Pipe -A 1972 HilC AllCHOR BOLTS Rupture -am
, Restraf at (M90) linf t 1, Loop #2 3225 Feb 35.2 -
CK (2) IK El. M -0* Pfpe -A 1972 HilC X (1) - (1) - i llupture Restraf at (M90) gfty,Lppg Bg25 g g5 - OK (2) - I (K (1) - (1) - llupture . Restraf at (M90) linf t 1, Lop #2 B225 Feb 35.1 - (K (2) - I (K (1) - (1) - - El. M -0 P1pe -C 1972 HNC , Rupture l Restraf at (M90) I Unit 1 s225 Feb 34.9 - CE (2) x l E1. M ,Lo -0 pPipe
#2 -8 1972 OK (1) -
(1) - ' HNC Rupture Restraf at (M90) I Unit 1 Loop #2 3225 Feb 35.1 - OK (2) El. M '-0* Pfpe -E 1972 HRC
- X OK (1) -
(1) - i Rapture i Restraf at (M90) I + Urit 1 Loop #2 s225 Feb 35.2 - OK (2) El. M '-0* Pipe -F 1972 HilC
- I OK (1) -
(1) - ,! Rupture Restraint (M90) , l 0526d l
TASLE 2 . i 30STRIB4-KEEN /IED0C0 ETAL ITDtS SAfFLED AIEl EINSPECTION ESULTS 5AletED ITDI IIATERIAL VERIFICATION FABRICATION VERIFICATION VISUAL 30/901 DATE OF GEERAL ELD GENERAL PIECE PIECE FABRI- NAfEINESS TENSILE CEMICAL CONFOR- INSPECT- REMAfd5 DESCRIPTIERI DESCRIPTION IthfE CATION KADIIIG STRENGTH ESULTS AllALYSIS ESULTS M411CE ESULTS TION . ESULTS NDE IE512.T5 CONTAINENT Unit I gLey #2, M20 Feb 34.5 - CK (2) - X OK (1) - (1) INTERIOR E1. M -0 1972 NAC ANCHOR BOLT 5 Steam Generator Vertical Sapport i (M90) - i Unit 1 Loop #2, A220 Feb 30.4 - OK (2) (K E1. M I-O' (1)
- X
-A 1972 NAC .
- (1) -
steam Generater j vertical Sapport
; (M90) ,
- Unit I leep #2, A220 FeA 32.4 - M X (K X (K (1) g E1. N -0* -1 1972 NAC (1) - See Appendix 1 Steam Generator for cheuelcal Vertical Support analysis (M90) results.
Unit 1 ILoop M . A220 Feb 34.5 - OK (2) (1) E1. M -0* -1 A 1972 HRC
- X OK -
(1) - stems Generator Vertical Support (M90) I Unit 1 Loop #2, A220 Feb 32.7 - OK (2) - (1) E1. M I-0* -2 X OK - (1) - 1972 HAC i steen Generater Vertical Support (M90) 1 Unit Iglop #2, A220 Feb 33.9 - OK (2) - X CK (1) - (1) - E1. M -0 -2A 1972 HRC Steam Generator - ' i Vertical Support ] (M90) , l I l ! 0526d I
f TABLE 2
- i 30ST110N-KRGEN/EDOC0 ETAL ITDt5 SAMLED Am REINSPECTION K5ULTS SAMLED 11EN MATERIAL VERIFICATION FABRICATISI VERIFICATION VISUAL 88/191 BATE OF GEK RAL WELD GEE RAL PIECE PIECE FABRI- NAININESS TENSILE CHEMICAL CONFOR- INSPECT- EMAES K SCRIPTION DESCRIPTION leuk CATION KADING STREleGTH K5ULTS ANALYSIS ESULTS MANCE KSULTS TION ESULTS MDE E SULT5 i
i CONTAllNENT Unit 1,L 9 N. A220 Feb 32.1 - K (2) - X K (1) - (1) -
- INTEltIOR E1. M -0 -3 1972 NRC
- ANCHOR s0LTS Steam Generater 1 vertical Support i (M90) -
1 i Unit 1, Loop #2, A220 Feb 34.3 - OK (2) - X R (1) - (1) - I E1. M -0* -3A 1972 INIC I Steam Generator l Vertical Support i (M90) ' l unit 1, Lee, #3 A220 Feb 52.9 - CK X OK X K (1) - (1) - See Appendfx 1 i El. M -0* 1972 MAC for chemical Stese Genereter analysis Vertical Support
- (M90) results.
Unit 1, Loop #3, A220 Feb 33.G - OK (2) (1) E1. M -0 -A 1972
- X OK -
(1) - NRC Stesa Generator
- ~
Vertical Support (M90) Unft I,Leop #3 A220 Feb 54.1 - OK (2) E (1) LI. M -0* -1
- X -
(1) - 1972 HRC . Steam Generator , Vertical Support (M90) + l j Unit I leep g
#3 A220 Feb 45.0 - OK X OK X OK (1) -
(1) - See Appendfx 1 E1. M -0* -1 A 1972 MAC for chemical Stean Generater analysis , Vertical Support results. , (M90) 4 j i 0526d . {
TABLE 2 BOSTROM-KAGEN/EDDC0 ETAL ITDES SAMLED AM REINSPECTION ESULTS 1 1 SAptED ITEM MATERIAL VERIFICATION FABRICATION VERIFICATION VISUAL i st/let DATE OF GENERAL ELD I O KRAL PIECE PIECE FABRI- HARDNESS TENSILE CHEMIrAL CONFOR. INSPECT- ItDulR$ K SCRIPTIIBl ESCRIPTION M415C CATION READING STRENGTH ESULTS ANALVSIS IIESULTS MANCE ESULTS TION ESULTS NDE E S4R.TS CONTAINENT Unit I loep g
#3, A220 Feb 48.5 - OK (2) X OK (1) -
(1) - INTERIOR E1. M -0* - -2 1972 HRC - ANCHOR BOLTS Steen Generator Vertical Support , (M90) Unit 1 Loop #3, A220 Feb 31.7 - OK (2) X OK (1) - (1) - E1. MI -0* -2A 1972 HRC - Stems Generator l Vertical Support , (M90) ] Unf t I gtoop #3, A220 Fair 37.3 - OK (2) X E (1) - (1) - i E1. N -0 -3 1972 HAC - Stems Generator .! Vertical Support
- (M90)
Unit I toop g
#3, A220 Feb 37.3 - OK (2) X (K (1) -
(1) - El . M -0 -3A 1972 HRC - Steam Generator i Vertical Support (M90) l Unit I Loop g
#4, A220 Mar 30.2 - OK (2) 1 IK (1) - (1) -
E1. M -0* 1972 MAC - Stema Generator Vertical Support (M90) Unit I glog #4 A220 Feb 34.2 - OK (2) I OK (1) - (1) - El. M -0 -A 1972 HRC - Steas Generator tertical Support e (M90) ' CS26d -
i TAALE 2 i j BOSTROM-KRGEN/ED0C0 ETAL ITEMS 54frLED Als KINSPECTION KSULTS SApptr0 ITEM MATERIAL VERIFICATI0Il FABRICATION VERIFICATilBI VISUAL BS/pgl DATE OF GENERAL KLO 2 GE K RAL PIECE PIECE FABRI- HAMIESS TENSILE CK NICAL C0KOR. INSPECT- REMAR$ KSCRIPTICII KSCRIPTICII HAR CATil18 KADING STRENGTH KSULTS ANALTSIS ESULTS IWusCE ESULTS TIoll KSULTS NOE RESULTS
, CONTAINMENT Unit I lop H.
g A220 Mar 31.7 - OK (2) - I OK (1) - (1) - INTERIOR E1. M -0 -1 1972 HilC AllCHOW BOLTS Steen Generator Vertical Support (M90) - Unit 1,Loy M . A220 Mar 28.0 - OK I OK I OK (1) - (1) - See Appendia 1 El. M -0 -1A 1972 HRC Steam Generator for chemical analysts Vertical Support results. - (M90) ' i Unit 1, Loop M . A220, Mar 29.6 - OK (2) - I OK (1) - (1) - El. M -0* -2 1972 INIC
- Steam Generator Vertical Sgport (M90)
Unit 1,Loy M. A220 Mer 27.3 - OK I OK I OK (1) - (1) - See Appendia 1 El. M -0 -2A 1972 HRC for chemical i Steam Generator analysis j Vertical Support results. 1 (M90) I A220 Mar 32.0 - OK (2) - I OK (1) - (1) ) E1. M ,-0 unit 1 Lop
-3 #4, 1972 HRC Steam Generator ! Vertical Sgport j (M90)
J Unit 1, Loop #4, n20 Mar 32.2 - OK (2) - I OK (1) - (1) - E1. M -O' -3A 1972 HAC Stems Generator Vertical Support (M90)
- l l
l l l 0526d TABLE 2 - BOSTROM-KRGEN/EDOCO ETAL ITEMS SAfrLED Als MINSPECTIDIE ESULTS SAfrLED ITEM . MATERIAL VERIFICATICII - FABRICATION VERIFICATItBI as/pgl BATE OF VISMAL K E RAL PIECE ENERAL WELD PIECE FABR.f. MARONESS TENSILE CHEMICAL C0 EOR. K5CRIFTIIII K5CRIPTION MUK CATION KAOING STKIIGTM ESULTS ANALYSIS ESULTS INSPECT- REMARS MANCE ESULTS TION IESULTS NBE ESULTS CONTAIIBElli Enhe eent Plate 3C Apr 150 73 kst INTERIOR On Outer Face -464 OK (2) - (1) - (1) - (1) 1972 SMN . No esposed shop ANNULUS Of Crane Well -T weld on this STRUCTUK Between Col. piece. SUPPORT 9 410. Azfguth - ANCHOR 263e 00'(A36) PLATES Enheeent Plate 3C Apr 141 70 ksi OK (2) On Guter Face -464 1972 SMN (1) - (1) - (1) - Be esposed shop ' Of Crane Wall -U weld on this At Col.10 piece. < Arfnuth 273o30'
- 1 (A36)
CONTAll8ENT Support For - 1971 - - - - - - INTERIIR Unft 1 Reacter and
- - - I DE Inaccessible REACTOR iVessel At 1972 (3) for SUPPORT E1. 102 '-0* faspection.
! RING (A588) CONTA!IDENT Enhedment Plate A224 Oct 126 63 kst OK (2) - (1) (1) INTERIOR For Loop #1 1972 Biel (1) - No espesed shop STEAM Herfzontal weld on this KNERATOR Snubber (A36) pioce. SUPPORT AT EL. 138' AIICHOR PLATES Ed eement Plate A224 Oct 134 66 kst OK (2) For t. cop #2 (1) - (1) - (1) - IIe esposed shop
-1 1972 Biti Herfzontal weld on this Snubber (A36) yIece.
~
0526d TABLE 2 BOSTROM-ERGEN/EDDC0 ETAL ITEMS SAMLED AW REINSPECTION ESULTS SA MLED ITEM ETERIAL VERIFICATION FA&RICATION VERIFICATION VI5umL 35/981 DATE OF GEE RAL ELD GEERAL PIECE PIECE FABRI- HARDNESS TENSILE CEMICAL C0KOR- INSPECT- R DIA M S DESCRIPTION E SCRIPTION ME CATION KADING STENGTH ESULTS ANALYSIS RESULTS MNCE ESULTS TION ESULTS NDE E SULTS CONTAllSENT Anchor Bolts E224 Oct 33.4 - OK (2) - I OK (1) - (1) - CTERIOR for Loop fl -A 1972 HRC STEAM S/G Horizontal
- GEE RATOR ' Snubber (M90)
SUPPORT AT EL.13B' - ANCHOR BOLTS Anchor Bolts E224 Oct 36.5 - OK (2) - I OK (1) - (1) - for Loop fl -B 1972 HRC S/G Horfzontal Snubber (M90) ' Anchor Bolts .E224 . Oct 35.1 - OK (2) - I E (1) - (1) - for Loop fl -C 1972 HRC S/G Hor 1zontal Snubber (M90) Anchor Bolts E224 Oct 33.0 - OK (2) - I OK (1) - (1) - i for Loop fl -D 1972 HRC S/G Horizontal Snubber (M90) Anchor Bolts D224 Oct 31.6 - OK (2) - I (K (1) - (1) - for Loop #2 -A 1972 HRC S/G Hor 1zontal
. Snubber (M90)
Anchor Bolts D224 Oct 29.7 - OK (2) - I OK (1) - (1) - for Loop #2 -8 1977 HRC S/G Horfrontal faubber (M90)
, Anchor Bolts D224 Oct 35.9 - OK (2) - I OK (1) -
(1) - for Loop #2 -C 1972 HRC - S/G Horizontal Snubber (M90) 0526d ,
, i
- TABLE 2 i
1 005TRIB6-KREEN/IE80C0 IETAL ITEMS SAMLED AIS IIElkSPECTION KSULTS l
- SAspLED ITDI IIRTERIAL VERIFICATION FABRICATION WRIFICATIS
' VISIIAL 08/981 BATE OF GE M RAL
- ' GEE RAL PIECE PIECE FABRI. OthMME55 TEll5ILE CIGIICAL COIFOR-HELD DESCRIPfitBI DESCRIPTION INSPECT- REIIAMS i IWLR CATION READING STilElIGTN IESULTS i AdIALYSIS ESULTS 814NCE ESULTS TION ESULTS NEE K SULT5
? ! CONTAIINENT Ancher toits B224 Oct 35.4' - OK (2) 1 INTERIOR for Leap #2 -8 1972 IIE I OK (1) - (1) - l STEAN 5/G Herftental EENERATOR Snubber (A490) SUPPONT AT E'. - 130' -
- AND10R BOLTS
! CONTAllNENT IIsrfrontal A- Sept 129 65 ksi OK (2) ! ETER10R Support Seen - 1032 1974 BIEI
- I OK I E (1) -
REACTOR Uest 51de l- NISSILE (A36) < l $ NIELS , , ~ f CONTAINIENT To tfal Rose A16 leer 125 63 ksi OK (2) E l 111TERIOR At 1.5-6 1973 Seel
- I I E (2) -
l ANNUUls (A36) 1 STRUCTilRE , Radial team C16 stor 112 57 ksi OK (2) At Col. 5 1973 BINI
- I OK I E (2) -
j (A36) l l Radfal Been l A14 Iter 123 61 ksi OK (2) - 1 E. E At Col. 6 1973 BINI I (2) - I i (A36) . 4 i CONTAllNENT Unit 1 Enhed 8250 Dec 1 91 93 kst OK I i KNT DGED Plate At 1971 geel OK I OK (1) - (1) - No esposed shop ! l PLAIES El. 152 '-0* weld en this l (A240, type piece. See i j 304) Appendta 2 for - chemical analy-sfs results. I 4 Unit 1 Erted B250 Dec (2) - - I Plate At -A OK I OK (1) - (1) - No esposed shop
- 1971 -
E1. 152 '-0* . weld on this pfece. See (A240 i 304) , type Appendia 2 for cheefcal analy. l sfs results, 0526d j i
~
TAKE 2 BOSTROM-KAGEN/EDOC0 ETAL 17L45 SAMLED AW KINSPECTION RESULTS SA M LED ITEN MTERIAL VERIFICATION FABRICATION VERIFICATION VISUAL BBABI DATE OF GEK RAL NELD GENERAL PIECE PIECE FABRI- HARDNESS TENSILE CKNICAL CONFOR- INSPECT-KSCRIPTION KSCRIPTION MK *ATION
. KADING STKIIGTH KSULTS ANALYSIS KSULTS MNCE K$RTS REMES TION KSULTS NDE E SULTS AUXILIARY E d ed Plate In A309 Mar 133 66 ksi OK (2) (1)
CIILDING Floor. E1.115' 1972 BHM (1) - (1) - No exposed shop ENKDENT Col. -R and weld on this PLATES 15-15 (A36) piece. Embed Plate In B309 Mar 123 62 kst OK (2) (1) Floor. El. 115' 1972 Biel (1) - (1) - No exposed shop Col. L-N and weld on this 15-157 (A36) piece. Eded Plate In N4 Jan 131 65 ksi OK (2) (1) Floor. E1. 115' 1972 BW (1) - (1) - No exposed shop Col. L-N and weld on this 15-15_7 (A36) pfsce. Embed Plate In $43 Oct 162 79 ksi (2) Mall, E1. 85' 1970 OK - (1) - (1) - (1) - No esposed shop BHN Col. N-R and weld on this 157-16~3 Pfece. (A36) E eed Plate In C43 Oct 138 67 ksi OK . (2) (1) Mall, E1. 35' 1970 SHN (1) - (1) - No esposed shop Col. R and weld on this 157-16_3 piece. (A36) AUXILIARY Lower Half Of A153 Nov 1 61 31 kst OK (2) - BUILDING Vertical Support 1975 Biel I OK I OK (2) - JET Bean (A572) IfFINGEENT STRUCTURAL STEEL Lower Half of A155 Apr 149 73 ksi IBt (2) - M OK I OK I OK Vertical Su 1976 BHM Bean (A441)pport .
, (3)
Hortrontal F151 Nov 144 71 kst OK (2) Support Plate 1975 Biel I (at (1) - (1) - No shop welds (A441) on this piece. l 0526d _j3_
~
- , TABLE 2 B0STROM-K RGEN/K DOC 0 K TAL ITDtS SAfrLED A W REINSPECTION K SULTS SA8 FLED ITEM MATERIAL VERIFICATI0M FABRICATION W RIFICATIIBI VISUAL
^ BS/let DATE OF GEE RAL WELD GEERAL PIECE PIECE FABRI- HARDNESS TENSILE CHEMICAL C00FOR- INSPECT- EpstKS DESCRIPTIIBl DESCRIPTION MAK - CATION KADIllG STRENGTH RESULTS ANALYSIS ESULTS MANCE KSULTS TION ESULTS NDE E SULTS AUXILIARY Angle Posts A6 May 120 60 ksi OK (2) X. Angle posts are BUILDING Supporting OK X OK (2) -
1971 SHN PLATF0fpl only moders Platfom (A36) with shop 196W1 welds. Angle Posts 86 May 134 66 kst OK (2) Supporting
- X OK X OK (2) - Angle posts are 1971 BHN only med ers Platfom (A36) with shop welds.
Angle Posts C6 May 130 65 ksi OK (2) Supporting 1971
- X OK X OK (2) - Angle posts are 8081 only members Platfom (A36) , ,
with shop welds. Angle Pests D6 May 139 68 ksi OK (2) - X OK X OK (2) - Angle posts are Supporting 1971 BHN only members Platfom (A36) with shop welds. Angle Posts F6 May 156 76 kst OK (2) Angle posts are Supporting
- X OK X OK (2) -
1971 Biel only mea 6ers Platform (A36) with shop welds. Angle Posts G6 May 140 70 kst OK (2) - X OK X OK (2) - Angle posts are Supporting 1971 Biti only meders Plattom ( A36) wtth shop welds. AUXILIART Platfom A- Mar 125 62 ksi OK (2) - X OK I OK (2) - BUILDING Support 1387 1977 BHN PLATFORM Bean (A36) 86W2 - Platfom A- Mar 124 62 ksi OK (2) - X OK (1) - (1) - No shop welds Support 1388 1977 BHIl on this pfece. Beam (A36) 0526d .
~
TABLE 2 BOSTR(BI-KRGEN/EDOCO ETAL ITEMS SAMLED AND REINSPECTION KSULTS SAMLED ITEM MTERIAL VERIFICATION FABRICATION VERIFICAfilEl
- VISUAL BBhBI DATE OF GEERAL ELD GENERAL PIECE PIECE FABRI- MRDNESS TENSILE CHEMICAL CONFOR- INSPECT- REMES KSCRIPTION KSCRIPTION MR CATION READING STRENGTH ESULTS ANALYSIS ESULTS MEE ItESULTS TION ESULTS NK RESULTS AUXILIART Vertical A717 Sept 125 62 kst OK (2) - X BUILDING Support -as 1977 BW EK X OK (2) -
BATTERY R0(Bt Angle RACKS AT (A36) i EL. 115'-0
- l Dlagonal A717 Sept 134 66 ksf OK (2) - X OK X OK (2) -
Brace -ab 1977 BM Angle (A36) Floor A717 Sept 122 61 ksi OK (2) - X OK X OK (2) - glate -pa 1977 BHN Floor A717 Sept 120 60 ksi Ok (2) - X Baseplate -pa 1977 BHN OK X OK (2) - (A36) -A Wall Mountin C717 Sept - - - (2) - Plate (A36) g -pb 1977 X OK X OK (2) - { FilEL Celling Ed ed W157 Nov 127 63 ksi OK (2) (1) (1) (1) - No exposed HANDLING Plate. El. 115' 1975 BHM shop weld on BUILDING . Col. T-V and this pf ece. EMEDMENT 15-129. ( A441) PLATES Cellfag Enbed H157 Nov 138 .68 ksi OK (2) (1) (1) Plate. E1, 115' -A (1) . No exposed shop 1975 BHM Col. T-V and weld on this piece. 15-12_9 ( A441) Celling Eded P157 Nov 127 63 kst OK (2) - (1) - (1) - (1) - No esposed shop Plate E1. 115' 1975 Biel - weld on this Col.I-Vand . piece. 15-129 (A441) 0526d TABLE 2 BOSTRON.KRGEN/EDDC0 ETAL ITEMS SAMLED AND REINSPECTION ESULTS .
. SA MLED ITEM MATERIAL VERIFICATION ! . FABRICATION VERIFICATION 1 . , VISUAL BB/191 DATE OF GEERAL 1 NELD GEK RAL PIECE PIECE FABRI. HARDNESS TENSILE CHEMICAL CONFOR- INSPECT-DESCRIPTION DESCRIPTION MAK CATION KADIM STRE MTH ESULTS ANALYSIS ESULTS MNCE RESULTS REMARS TION RESULTS EDE E SULTS l
j FUEL Cef1 fag E eed M157 Nov 130 65 krf NANDLIN OK (2) - (1) - (1) - (1) No exposed shop i Plate. E1.115' 1975 BHN
- BUILDIM Col. I-f and weld on thfs 1
EMEDMENT 15-125. (A441) pfece.
- PLATES j
j Cefling Ed ed AC Nov 128 64 ksi (2) Plate. E1. 115' -157 OK - (1) - (1) - (1) - No esposed shop 4 1975 Be 1 weld on this i Col.{-Vand 15-12_ (A441) pfece, j- TURRIE Horizontal team D49 May 157 79 ksf
, penetration OK (2) - X OK X~ OK X OK Full l
BUILDING El 103'-6". F-G 1975 BM penetration i CCN K AT and 143 (A572)* (3) weld,
- EXCHANGER l BARRIER 4
PRIM 8".' Embedded Ring A711 Nov 1 71 83 kst OK X NATER Plate (A240, 1972 BHN OK X OK (1) - (1) - No exposed shop STORAGE type 304) weld on this TANK p f ece. See I Appendia 2 for cheefcal analy-I sls results. ? KVERSE Column 3257 May 147 72 ksf Gt (2) - X OK X fBt (2) OSM05I5 At El.104' 1981 BW STSTEM (A36) ENCLOSURE Column 8254 May 133 66 kst OK (2) - X At E1. 85' 1981 BHN GC X OK (2) - (A36) Baseplate B257 May 137 67 ksi OK (2)
- At E1, 104'
- X OK X OK (2) -
-pf 1981 BW .
I (A36) , 0526d d 4 TABLE 2 i BOSThols-ERGEN/EDOCO ETE ITDES SAIFLES AB REINSPECTION ESULTS SAfrLEB ITDI MATERIE VERIFICATION FABRICATION VERIFICATIS 1 VISMAL ELD i j 08/995 BATE OF GEERE i EE E RAL PIECE PIECE FASRI- IIAMESS 1 ENSILE CEMICAL COIFOR- INSPECT- lemKS KSCRIPTIfEI ESCRIPTION IER CATION READING STilENGTH ESULTS ANALYSIS ESIKTS MANCE ESNLTS TION ESULTS WE ESULTS j i j KVERSE Baseplate 3254 Itay 174 ' 85 kst OK (2) - I IK I IK (2) - OSMDSIS STS- At El, SS' -pa 1981 0181 j 1EN EuCLOSulE (A35) 3 . i BUUt 1*x2-1/4*m2-1/4" G- 1981 153 75 kst OK (2) - (1) - (1) - (1) - Currently in E j IIATERIR: Plate (A441) 793 and Biel " Held
- area.
- PLATES 1982 To be festalled
' la a Unit 2 pfpe rupture restrafat.
a 1*a2-1/4*m2-1/4' G- 1981 168 81 kst IK (2)' - (1) - (1) - (1) - Currently in E
- Plate (A442) 793 and Biel " Meld" area.
1982 To be installed in a Unit 2 pipe rupture restrafat. ! 1*n2-1/4*st-1/4* G- 1981 154 75 kst OK (2) - (1) - (1 - (1) - Currently in E F. ate (A441) 793 and tiel "lesid* area. 1 1982 To be installed in a Unit 2 rupture l restrafat, j i l EULK UT 3 x 6 8- 1981 144 70 kst OK -(2) - (1) - (1) - (1) - Currently in E l piel "leeld" area, 1 MATERIE: (A441) 793 and i STRUCTullAL 1982 To be fastalled SHAPES fn Unit 2 pfpe rupture restrafat 8-2RR. NOTES (1) Test /Iaspect1on is not applfcable to thIs 1 tea. (4) Hardness readIogs were obteIned usIog an Equetfp . testIog machine. (2) Test /f aspection fs not necessary for this iten. (5) "I" Indicates that the test /f aspection was per-
.fonted for this ites.
(3) NUE records, from an independent testing lab. (6) Blal = Brinell Hardness Value indicate that the shop welds (B8/I00 welds) are HRC = Ilockwell-C Hardness Value acceptable. These records are on ffle. , - .- , .-
l , APPENDIX 1 Bechtel Group, Inc. Fifty Beste Street San Francisco, California l we,f Aerress P O Bos 3965. San Francisco.CA 94119 l i To: G. H. Moore File No. GgS-034-02 l l Date: March 9,1984 l
Subject:
Material Verification of l Structural and Bolting From: G. R. Schmidt
- Componente I Diablo Canyon Project , Unit 1 Of: R&E/ Materials and Quality Bechtel Job No. 15320-002 Services Department At: 50/15/520 E xt . 768-2862 Copies to: B. D. Hackney /R. A. Manley l G. L. Schnaible/B. N. Woodru ff F. C. Breismeister B. M. Macleod/T. C. Wiesner W. J. Tuholski/J. K. McCall DCC-0243-73 BIR-0384-0 Diablo Canyon, Unit .1, project requested that Materials and Quality Services (MEQS) perform in-situ hardness testing on selected structural and bolting materials. All field hardness testing was performed using the EQUOTIP Hardness Tester in accordance with the attached procedure (Attachment I).
i Field testing consisted of preparing the test area by surface grinding followed by l buffing with a 60 grit flapper wheel to produce the surface finish required for the EQUOTIP Hardness Tester. A minimum of five readings were taken in each area. High and low values were dropped, and the three remaining values were averaged. The averaged EQUOTIP readingsD(L ) were converted to either Brinell hardness (BHN) or Rockwell C (ERC) hardness valuem using the manufacturer's conversion t ab les . The test data have already been given to the project. Several types of structural steel were examined. All members examined had
'hardnesses expected of their respective type and grade. The A36 structural members had a hardness range of 112,to 162 BHN, with the majority of readings falling between 120 and 140 BHN. Ttso A572 members were tested , and the results were 149 BEN and 161 BEN. Four testa were performed on A441 type material, j resulting in 144 to 155 BRN. The higher strength grades of steel displayed higher and more consistent hardness values, indicating higher strengths. No l
abnormalities were noted, and we find no evidence that the materials are other j than as required by specification. l Fifty-eight bolts were examined. The drawings specify high-strength ASTM A490 l quenched and tempered bolts. The testing was performed in order to provide additional assurance that A490 type materials were installed instand of low-strength fasteners (A307 type). I seeme Po.,c co oo,.i on s.eni.iPet o um ine e,en,c c.s a um .is.ine
'** Precosi occating Compones of s.chtel Group ine i
- . - , - - - ,-mm - _ _ _ . _ - - - - - . _ . - - - . - _ _ _ _ , _ _ , _ - _ _ _ _ _ _ _ _ , _ . . .
APPENDIX 1 C. B. Moore From: G. R. Schmidt
. Page 2
Subject:
Material Verification of March 9,1984 Structural and Bolting Diablo Canyon Project, Unit 1 Bechtel Job No. 15320-002 The majority of the samples tested conformed to the hardness requirements of ASTN A490-83 (33 to 38 BRC). See Figure 1 for a summary of fleid hardness test results. Several of the bolts produced large deviations from A490. These samples were reground and buffed as before, with more emphasis on the surface preparation (flatter, smoother finish, etc.), then retested. This resulted in more favorable readings but still produced some high and low readings. A small piece was cut ~ from the end of each of the'six talts in question, and they were brought to the M6QS laboratory for further examination: two samples were cut from bolts with the lowest hardness readings, one sample at the lower ASTM A490-83 limit, and three with high hardness readings. These samples were prepared for hardness testing (using a full size laboratory Rockwell Hardness Tester) and chemical analysis. The laboratory test results are shown in Tables 1 and 2. A chemical analysis showed that the six samples meet the chemical requirements of A490 type bolts (Table 2). ASTM A490 has chemical requirements only on carbon, ~ phosphorum, and sulfur. Other elements are added to enhance the hardenability and strength levels of the material for large diameter bolts. The hardest sample (approximately 53 BRC) removed for laboratory testing was tested at a depth of approximately 1/8 inch below the original surface to avoid any end effect from handling or poor grinding technique. It gave Rockwell C readipgs within ASTN's limit for A490 bolts. The sample that gave field values of 45 BRC was first tested on the original surface. Laboratory HRC values were still out of specification. This sample was retested at a depth of approximately 1/8 inch below the original surface, and the hardness level dropped 5 HRC points. The remaining bolt samples tested also moved into or close to the hardness range required by ASTM A490-83. The original hardnesses of the six specimens are noted l in Figure 1. Laboratory hardness test results at approximately 1/8-inch depth are i also presented in Figure 1. Laboratory hardness readings were taken at the mid-radius location, as required by ASTM A370, " Mechanical Testing of Steel Products." The only deviation from ASTM requirements was that readings should have been taken at depth below the original surface equivalent to the diameter of the bolt. This was not possible bc:ause only a short piece could be cut from the end of each bolt. l Some slight scatter of hardness data beyond specification limits was found and was expected for the following reason: The RQUOTIP Hardness Tester only makes a shallow indentation. Typically, hardness indenters that have shallow penetration depths not only provide more data scatter, but they also tend to provide harder readings since they are more sensitive to small variations. A deeper indenter (Brinell, HRC, etc.) tends to average minor area variations.
- APPENDIX 1 C. H. Moore From: G. R. Schmidt Page 3
Subject:
Material Verification of March 9,1984 Structural and Bolting Diablo Canyon Project, Unit 1 Bechtel Job No. 15320-002 Superficit.1 decarburization from heat treatment or shallow work hardening from ; f rough handling during installation will increase the scatter. The scatter w*e encountered can be attributed to such effects. In some cases the deviation was l large. Further examination of the six samples showed all to be in or near ' i specification limits. l
\
Laboratory EQUOTIP hardness testing was performed adjacent to the Rockwell C ; readings on both the field. exposed end and at the 1/8-inch depth. The results , i presented in Figure 2, are compared to the manufacturer's conversion table (y l J to ERC). Rockwell and gQUOTIP hardness testing produced the same results on both the field exposed end and at the 1/8-inch depth with the expected amount of scatter. That data plotted are also presented in tabular form. This reestablishes the validity of the EQDOTIP Hardness Tester and the manufacturer's i conversion tables. ! i Based on the field and laboratory hardness testing, it has bee'n shown that high- l l strength, low-alloy steel bolting has been installed in conformance with the l engineering requirements. Materials and Quality Services recommends that all materials tested be accepted as-is and that no other action be taken. _ b g,.,L, L,g. .. C. R. Schmidt
. CRS/RDS:rja Attachments
=
l e
APPENDIX 1 TABLE 1 COMPARISON OF FIELD AND IABORATORY HARDNESS RESULTS (Results presented are averages.) l EQDOTIP Laboratory Test Results
- Sample Field Test ERC (Note 2)
ID Results * (Note 1) Field End 1/8" Deep LP4 220-1A (28.0) 31.7 31.5 LP4 220-2A (27.3) 26.2 32.8 LP2 20,0-1 ( 32.4) 32.5 33.0 LP1 220-1 (39.9) 39.7 39.0 LP3 220 (52.9) (Note 3) 34.7 l l LP3 220-1A (45.0) 46.7 41.3 NOTES:
- 1) Numbers in parentheses are HRC converted
. fr om LD '
I 2) Tested at mid-radius .
- 3) The original surface was eachined off due to contour.
e e
. i APPENDIX 1
, TMM 2 CHEMICAL RESULTS I . 1972 21 22 23 23 24 24 AS1M . Element A220-1 A220-1 A22G A220-1A A220-1A A220-2A Required I i . A1 0.02 0.05 0.05 0.05 0.05 0.05 B <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 ( C 0.41 0.41 0.41 0.41 0.41 0.41 0.33-0.55 Cr 0.92 0.80 0.80 0.79 0.79 0.79 i Cb <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 i Cu 0.14 0.08 0.08 0.08 0.07 0.08 l Pb <0.005 <0.005 <0.005 <0.005. <0.005 <0.005 l Mn 0.74 0.81 0.81- 0.80 0.80 0.79 l Mo 0.20 0.23 0.23 0.23 0.22 0.23 Ni 1.81 1.71 1.72 1.68 1.73 1. 68 l P 0.013 0.013 0.013 0.013 0.012 0.013 0.045 max i si 0.26 0 . 35 0.33 0.32~ 0.33 0.33 S 0.024 0.013 0.013 0.013 0.013 0.013- 0.045 max Ti <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 l 'Va <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 E <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 e { S e e I t r
- j. .
_ _ ~ _ _ - __
~
APPENDIX 1
- AS198 A490-83 IAGEND j
d - Bolto selected for laboratory testing (field readings - LD converted to NRC) i 13 - a ' C - Laboratory test resulte 12 (at 1/8-inch depth - NRC) x 11 - x x - Field test resulto - ene bolt (t, converted to NRC) 1 10 - x Specimen Identification: u. I = 171 A220-1 4 9 - x 2 = LP2 A220-1 i 3 = IE3 A220 g 8 - x x 4 = LP3 A220-1A 5 = LP4 A220-1 A { sn
- 7. -
x x x 6 = LP4 A220-2A
= 6 -
x x x o 5 i x x x x x z 4 - x x x x s x x x 3 - x x x x x x x x 2 - x x x x x x x x x l - kb x dx x x x x x xd d x du l 1- l l l l l l l l I I l I I 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54
~
Rockwell C (HRC) FICURE 1 - RARDWESS TEST RESULTS, FIEIA AND IABORATORY
a APPENDIX 1 FIGURE 2 y .} '
!I 1
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-. JEAIBUFACTURERS D4TA
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LP 1 220-I 39.7 657 (42.3) 39.0 656 (42.2) - ]; - jp 30 yv ,e LP 2 220-1 32.5 r 596 (33.6) 33.0 596 (33.6) :- :; 7-- Ap g . _ J :_;~e,. -r' -- LP 3 220 note 1
)'d.
28 - ;;7;7- P
'/ -
~
34.7 622 (37.4) :::
);;
e .
- !:j : ,W p -
LP 3 220-IA 46.7 679 (44.0)
.p _ _
~
P . .. '. : d 41.3 644 (43.3) ~ ; _, p. 8.
..A ,e 26 - p ,"
LP 4 220-IA 31.7 598 (32.9) 31.5 604 (34.0) ::_
/ LP 4 220-2A 26.2 24 - . 4 E._: _
568 (29.4) 32.8 595 (33.4)
--~- --- '
Isote it Machined off g at 0 34 0 560 580 600 620 t i l ! .l l ' l l .l l l l l .l l f l l f f I-ftt. t i l i .i i i i i .i i i i t tt ft ' 640 660 680 700 EQUOTIP READINGS (L D
=
, APPENDIX 2 Bechtel Group,Inc.
Fifty Beale Street San Francisco, California esen#seven P.O. Son 3865.Sen Francisco,CA 94119 To: G. H. Moore File No. GRS-034-08 l
Subject:
Material Verification of Date: March 21, 1984 , Structural and Bolting , Components From: G. R. Schmidt l Diable Canyon Project, Unit 1 Bechtel Job No. 15320-002 Of: R6E/ Materials 6 Quality Services Department Copies to: B. D. Hackney /R. A. Minley G. L. Schnaible/B. N. Woodruff At: 50/15/B20 768-2862 F. C. Breismeister B. M. Macleod/T. C. Wiesner l N. J. Tuholski/J. K. McCall l DCC-0301-73 l The project requested that Materials and Quality Services (M5QS) perform in-situ hardness testing on selected structural materials supplied by Bostrom-Bergen Metal Paducts. In addition to the hardness testing, samples were cut from three stainless steel imbed plates for chemical analysis. 1his testing was to supplement previous testing (Ref. GRS-034-02) of materials supplied from Bostron-Bergen Metal Products during 'a different time frame. All field hardness testing was performed using the Equotip Hardness Tester in accordance with the procedure - Equotip Hardness Testing Procedure HT P-1 Rev. O. Hardness testing consisted of preparing the surface by surface grinding followed
- by buffing using a 60 grit flapper wheel to produce the surface finish required byifTP-1. A minimum of five hardness readings were taken in each area. High and low values were dropped, and the three remaining values were averaged. The averaged Equotip readings (LD) were converted to Brinell hardness (BHN) using the manufacturers conversion tables.-
All of the structural members tested were specified to be A36 and A240 Tp 304 material. All members had hardnesses expected of their respective type and grade. A36 hardness values ranged from 120-174 BEN with the majority of readings falling between 120 to 137 BHN. Stainless steel sabeds had hardness values from 171 to 191 BILL . The samples cut from stainless steel imbeds for chemeial analysis were specified to be A240 Tp 304 material. The results of the analysis is shown in Attachment I compared with ASTM's chemical requirements for A240 Tp 304 stainless steel. Based on these results Materials and Quality Services (M&QS) recommends th'at all materials tested be accepted as-is and that no other action be taken. G. R. Schmidt GRS/RDS:nlj Attachments assemp ,ce,,ressa assesc.e a- nie somemsenemmnic M SmW Peuteger opmusse compusius of Saman thus her.
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APPENDIX 2 Attachsent 1 AS1H Reg'nents Sample 3250 'B250A A711 A240 Tp 304 Aliminum (AI) <.005 <.005 0.01 Carbon (C) 0.05 0.02~ 0.04 0.08 max, Chromium (Cr) 19.12 18.91 18.97 18.00-20.00 Cobalt (Co) 0.12 0.07 0.17 Colimbium (Cb) <.005 <.005 <.005 Copper (Cu) 0.16 0.08 0.13 Manganese (Mn) 1.00 1.47 1.66 2.00 max. Nolybdenus (M)) 0.24 0.008 0.17 mNickel (Ni) 9.58 9.98 8.87 8.00-10.50 Phosphorus (P) 0.027 0.019 0.026 0.C45 max. Silican (Si) D.64 0.58 0.42 1.00 max.
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Sulfur (S) 0.010 0.017 0.012 0.030 max. Titania (71) 0.01 <.005 0.01 Vanadim (V) 0.05 0.03 0.07 Zirconium (Zr) <.005 <.005 <.005 Other Elements N 0.10 max. e 0 e e G e Bu u 'u muu m um
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