B12726, Forwards Addl Info Re 1987 RCS Piping Inservice Insps,Per NRC Request During Insp 50-213/87-24.Info on Weld Data Cards & Radiographic Insp Repts for Reactor Coolant Loop Weldments Provided

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Forwards Addl Info Re 1987 RCS Piping Inservice Insps,Per NRC Request During Insp 50-213/87-24.Info on Weld Data Cards & Radiographic Insp Repts for Reactor Coolant Loop Weldments Provided
ML20237C735
Person / Time
Site: Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date: 12/15/1987
From: Mroczka E
CONNECTICUT YANKEE ATOMIC POWER CO.
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
B12726, NUDOCS 8712220125
Download: ML20237C735 (44)
v • d • e


Text

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p 9 4 CONNECTICUT YANKEE ATO MIC POWER COMPANY B E R L I N, CONNECTICUT P o, BOX 270 o HARTFoRO CONNECTICUT 06141-0270 TELEPHONE 203-665-6000 December 15,1987 Docket No. 50-213 B12726 Re: IE Inspection 50-213/87-24 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555 Gentlemen:

Haddam Neck Plant Additional Information Relating to NRC Inspection 50-213/87-24 In a telephone conversation during the subject inspection at Haddam Neck, the NRC Staff requested additional information relating to the Haddam Neck reactor coolant system piping inservice inspections performed in 1987.

Connecticut Yankee Atomic Power Company hereby provides the requested information as follows:

o Attachment 1 - Radiographic Inspection Reports for the Haddam Neck Reactor Coolant Loop Weldments (original) o Attachment 2 - Weld Data Cards (original) for the Haddam Neck Reactor Coolant Loop Weldments o Attachment 3 - Welding Procedure Specification Used for Fabrication of Haddam Neck Reactor Coolant Loops i

There are five reactor coolant loop weldments in all. Four of these are field l weldments; one is a shop weldment. The four field weldments revealed surface indications when examined under the inservice inspection program conducted during the 1987 refueling outage. These surface indications were dispositioned as acceptable under the requirements of the ASME Boiler Pressure Vessel Code, i Section XI. The shop weldment revealed no surface indications.

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, B12726/Page 2 December 15,1987 If you have additional questions, please contact us.

Very truly yours, CONNECTICUT YANKEE ATOMIC POWER COMPANY M at/

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Senfor Vice Presi[ dent cc: W. T. Russell, Region 1 Administrator A. B. Wang, NRC Project Manager, Haddam Neck Plant

3. T. Shedlosky, Resident Inspector, Haddam Neck Plant l

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,4 Docket No. 50-213 B12726 l

1 Attachment 1 Radiographic Inspection Reports for the Haddam Neck Reactor Coolant Loop Weldments (original)

December 1987

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. E-316-ELC-16 2 51~.,J01.1802 w-lo899-2 .

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Docket No. 50-213 B12726 Attachment 3 Welding Procedure Specification Used for Fabrication of Haddam Neck Reactor Coolant Loops December 1987 l

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'~' ' Pr:ciduro H0. V-10899 2 Dorember 27, 1965 j a h i

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l AUS'.S1ITIf, STAT 1;i?.9S_ST5c.L PIPJJIQ

. l SEMUE.SS. FO. 7 GED.1"'.TSED f. lid CAST PIP 2. VM3ns /JUTLF_ITTI!!GS Foa MOTICUr I{!TTElTO.110 PWPR MIT G- u 4

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.i Proesduro No. V-lo899-2 j

' Shoot N3. 1 ef 21 i Doestber.27, 1965-p .

I WEI. DING PROCEDURE SPECIFICATION I

FOR .

f b}UP;TplITIC STATHl.ESS STEEL PIPING 5 N'fL'l#".S. FORGCD. HELDED /.ND CAST

_ PIPE. VALVES AND FI7'PIf:CS WR HUCITAR PO'.frR PIPIf!O SYTITM'G_

PME This specification has been prepared and qualified in accordance

~

with Section IX cf the AE!$ Code for. the purpose of fabr3 cation and erection of Nucicar Pcuer Piping Systems by Stone & Webster Engincaring Corporation.

Ef.?D WitAh .

The base metals covered by this specification shall be in accord-

~

ance with those listed herein:

" - ASTit-A-182 - Austenitic Stainless Steel Forgings, Grades F304 and F316 .

ASM-A-312 - Seamless and Welded Austenitic Stainless Steel Pipe and Fittingo, Grades 304 and 316 ASTM-A-351 - Austenitic Stainles's Steel Castings, Grades CFB and CF8M ASE-A-362 - Austenitic Stainless Steel Centrifugally Cast Pipe and Tubing, Grades CF8 and CF8M, in Accordance With A296 Requinments ASTM-A-376 - Seamless Austenitic Stainless Steel Pipe,

. Grades 304 and 316

  • ASTM A-403 - Wrought Austenitic Stainless Steel Welding Fittings, Grades WP304 and WP316

.; All of the austenitic stainless steels specified hemin shall be in accordance with the designated ASTM specification plus the supplemental zwguirements when specified. Pipe, valves, fittings, etc. shall be properly identified with the type or grade markings required by the applicable stand- .

ards. Such markings shall be considered as 'the manufacturer's guarantee that the product complies with the applicable metal specifications and standards indicated, and is suitable for service at the rating indicated.

0 1

  • +.vm. .9.. we . _ - . .%--- - . .

Prsceduro No. W10899-2 Sh;st Na. 2 ef 21 December 27, 1965

~

t'mt-A-182 - OhADM Fick AND Filo

() This specification covers forged or rolled austenitip stainless steel pipe flanaes, forged fittings, and valves and parts' intended for high tempemturc senice. y

. r391

  • rLis i

Chepical Renutranento Carbon,mcx% 0.08 0.08 thnganese, max $ 2.00 2.00 Phosphomu, vnx % 0.040 0.040 Sulfur,anx% 0.030 0.030

--. Silicon, max %- 1.00 1.00 Chror.;ium,$ 18.0 20.0 16.0 18.0 Hickel,% 8.0 11.0 10.0 14.0 Molybdenum,% -

2.00-3 00 .

Tgnr._13e Recu$ renents Tennile strength, min psi 73,000 75,000 Yield strength, min psi 30,000 30,000 Elorgation in 2 in., min y 45 45 Reductionofaren, min % 50 50 Supplementary mill tests not required.

f/Td-A. _3M - GRAD?S 304 AND ~416 Thio specification covers seamless and velded austenitic stainless steel pip 2 and fittin2s intended for high temperature and general corrooive cervice.

404 ,31s Chemical Recuiremente Carbon, max $ OiOB 0.08 Hansanese, max $ 2.00 2.00 j Phosphoms, max $ 0.040 0.040 Sulfur, max $ 0.030 0.030 Silicon, max % . 0 75 0 75 .

Chromium, $ 18.0 20.0 16.0-18.0

. Nickel,) 8.0 11.0 11.0-1/. 0 Molyodenum,% -

2.00 3 00 i

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-memet _

hie ue_-

7

  • Pr: ordure No. V-10899-2

-Shost No. } cf 21 Docambor 27,1%5 f

30% ,yk 1

Tensile Recui roments W Tensile strength, min psi 75,000 .# }75,000

.{ 30,000 30,000 Yield strength, min psi p Elongation in 2 in., min %. 25 Transverse 25 Longitudinal 35 35-Belov5/16in.vall E 40t + 32 50 E.= 40t + 12 50

' Trcnaverse E . 56t + 17 50 Longitudinal E = 56t + 17 30 Supplementary mill tests not required.

. $Til-A-351 - CRPFT1 CP8 AND CF&4 .

This specification coveio austenitic stainless steel castings for valves, flances, fittingc, and other preccure containing parts intended for high temperature and corrosive service.

' S.I.E S.f$i Chemical Requirements 0.08 0.08 Carbon', max %. 1 50 Hanganene, max % 1.50 2.00 2.00 Silicon, max % 0.040 Bulfur, max $ 0.040 0.040 0.040 Phosphorus, max $ 18.0-21.0 Chromium,% 18.0-21.0 8.0-11.0 9 0-12.0 ,

Nickel,% - '2.0-3 0 Molybdenum,%

Tensi3e Requirements 70,000 70,000 Tensile strength, min psi 30,000 30,000 Yield strength, min psi 30 Elongationin2in., min $ 35 Castings ordered to these specifications shall be radiographically

- examined and injurious defects, as judged by the Industrial Radiographic, Stan(lards for Steel Castings (ASTM Designation E71),. shall be rejected or

  • repaired with the approval of the Purchaser.

4 . ASTM-A-362 - GRADES CF8 AND CFfk 2

- - ~ . This specification covers iron-chromium-nickel, sustenitic The stainless alloys steel tubular centrifugal castings for general applications.

grades.shall be in accordance with those listed in ASTM Specification A-296.

y, .

Pr:cidura No. W-10899-2 Sheet No. 4 cf 21 Dacenber 27,1%5 CFB, i CFEt4 4

Chemien1 Requirements f 0.08 0.08 Cart:en, max %

1 50 1 50 Mangar,ece, max % 2.00 Silicon, max % 2.00 0.04 0.04 Sulfur, enx % 0.04 Phosphoruc, max % 0.04 18.0 21.0 18.0-21.0 Chromiwn,% ,

Hiekel,% 8.0 11.0 9 0-12.0 llolybdenwn, %

- 2.0-3 0 Tencile Benuinments (5,000 70,000 Tensile stren6th, min per 28,000 30,000 Yield strength, min psi Elongation $n 2 in., min % 35 30 Supplementary tests S4 and S7 shall be perfomed t.t the mill before ship:ient of material.

ASTM-A-376 - GRADES 30h AND 316' )

l i

This specification covers seamless austenitic stainless steel pipe for high temperature central station service.

~404 116 Chemical Requirements 0.08 0.08 l Carbon, max % 2.00 Manganese, max %

2.00 0.030 0.030 max % 0.030 Phosphorus,%

Sulfur, nax 0.030 O.75 0 75 Silicon, max % 16.0 18.0 Chromium,% 18.0 20.0 8.0 11.0 11.0 14.0 Nickel,% '

- 2.0-3 0 Holybdenwn,%

  • f l Tensile Requirements 75,000 75,000
, Tensile strength, min psi 30,000 Yield strength, min psi 30,000

(  ?

Elongation in 2 in., min %

35 35

- - Longitudinal  ;>.

25 h Transverse 25 h.

Supplementary tests S2 and S4 shall be perfomed at the mill before

.8 shipment of material.

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Dec:nb2r 27,1%5 Fh3 CESS V

The velding shell be per'forud by using the " Tungsten Inert Gas

- {} Shielied Arc Proevss" for the root bead, and the "Mstallic Arc Ve) ding Process" for depositinE the subsequent beads. t

[+

FILIIh M:,TAL ,.. g The Tungston Inert Gas Shielded Are Welding Process used for the root bem 1 shall cr. ploy conenble inserts as the fillor natal. For metal grados 304 and Cra the conawable inoort netal shall be type 308L, for s:stsi gradee 316 and CPfM the consu,uble insort tntal shall be type 316L.

Tne cbsniotry of the consui:.abic insert shall be controlled to produce an austenitic etsinless steel veld deposit containing between 6 and 10 per cent ferrite.

Tbo filler metal used with the Metallic Arc Volding Process shall be in accorde.nce with ASTM-1290 specification for covered stainless steel electrodes, classification E30SElf-15 or 16, and E316ELC-15 or 16. The chemistry of the volding olcetrodes shall be controlled to produce an austanitic stainless steel veld deposit containing between 6 and 10 per cent  !

ferrite.

WEl.DED JOINT DETAILS BUTT WELD _S The ends of pipo, valves and fittings to be joined by butt-velding y

shall be prepared by machining and shall be in accordance with that which is shown on attachod drawing No. SK-1.

(.

The butt-velding of Schedule 10 piping and fittinEs shall be .

. performed in accordance with that which is shown on attached drawing Nos. SK-) and SK-4.

Sjy & DIt!G AND PURCING GAS i

The shielding and purging gas for the " Tungsten Inert Gas Velding

- Process" (TIG) for the root bead shall be " Argon" with a purity of at least 99.4 per cont.

l NATURE OF ELECTRIC CURRENT l

The "TIG" welding process shall employ direct current with straight polarity. The Metallie Arc Woliing process shall en: ploy direct current with J

. reverse polarity.

PCGITION

- The velding may be performed with the pipe in the horizontal-rolled-f

, position, the horizontal-fixed-position and the vertical-fixed-po,sition.

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'Proerduro En. W-10099-2 Shoot !!o. 6 of 21 Decachor 27, 1965

'(

L9E!W.TIJAfND INTQQyaS TNTERATtTRE 6

Preheating shall not be required. TheinterpasstNaperatureduring the welding operation shall not execed 400 F. The interpass tempenture

' , , Tcapilctihc ."shnIl be chechd on the pipe adjacen' - to the welding groove by After a bend of welding has been deposited around the com-plote circumference of the joint, it chall be allowed to cool to the inter-

' pasu ter.pm.nure before ntarting the next bead of velding. Gentru11y by the time the depor.ited becd in thoroughly cicened and inop.scter., the temperature will have cpprecched the interpans temperature.

G02.!5. M1EGT,E.

Velded joints in the metals covend by this opoeification shc11 not be streus 2elieved or postveld heat treated.

p!J4tm.'G .

Prior to welding, the endo of the piping shall be thoroughly j cleaned inside and outcido. A circumferentinl band'at least 3 in, vide at the end of the pipe chnll be cleaned with a solution of vara water and Tide, (or equivalent), r.nd' thoroughly rinced with clear Vater and dried with a lint.

free c. loth. Imediately niter cleaning, the ends of the piping shall bc i

fitted together and the root bead uciding perfomed.

777 UP 1.FD P@S,IjiQ It is important that all auotenitic stainless steel piping be ,

adequately purged in order to assure proper intemal root bead fusion with a minimum of oxidation. ,

l

{

The endo of the piping section containing the joint or jointo to be volded shall be tightly sealed with mbber plugs or nbber gasketod ateel ]j plates, 'however, internal plastic or canvas balloons may be used. In general  !

end ceulo shall be fastened to the outside of the piping in order to prevent internal contamination at these locations. A vent sh.all be provided, and shall be at the high point of the section being purged. It is conceivable that two or mon welds in a piping section of Masonable length could be welded simultaneously employing the same internal purge. Ilowever, the purp ing rates and periods of time as specified herein for a single veld would have to be increased proportionately.

Immediately after the cleaning, the abutting ends of the piping shall be lined up and' drawn tightly together using outside fit-up clamps, '

nfer to sheet No. 225 Fit-up clamps shall be used for all field encted piping greater than 4 in. diam. Fit-up clampo shall not be a quimd for piping subassemblies 4 in. diam and less, tack-velding in the groove of such piping assemblies shall consist of four to six equally spaced tack-velds long enoggy to hold the piping in proper alignment for velding. The tack-welding shali be perfomed using the tungsten inert gas shielded arc welding process.

[

. - Proceduro No. 30899-2 Shent No. 7 er 21 Decerher 27, 1965 g After the fit-up is conp30ted, the $nternal purg$ng gas chall be introduced at a rato of approxiu.stely /.O cu ft per hr for a period of 5 to 15 mintatco dependir.g upon the pipo dian.oter and cren being pygad. At the end of this purging period, the run rato shall be reduced to between 10 cnd 20 cu f t per hr and the root becd welding operation started.' The purging gas chall bo maintcinod during the TIG velding of the root beadi 1ELDMG TEthlNICUS The initial root bend shell be mndo employing the TIG velding procoon by fusing the root edges usd tho innort together. Tack..welda when usod do not buvo to be rc:aovcd but cernly funed into the initial root head. ,

At the completion of tLo 'ilG ualding of thn root bond, and cfter tha required innpection tbcrect, the subsequent benda chall be doponited using the 1:stc13ic /ro Welding Procuss ao specifjod heroin.

Tito liotallio I.re Wolding beads shall be doposited in a cur.nor that will assure proper penetration and fusien of the base retal. Each bood dcpositod chs11 bo tborcughly cicanod; all slog rencining on any bend of velding chall be removed uring a puumatic scaling tool cnd etainlocs steal viro brunh before depositing the next succepcivo her.d. Each crater and any roughness t.nd defects cuch as crachn, poronity, etc., thrit appear on the surfcco of, my bond of welding chall ha rumored by grinding before depositing the n2xt nrceessive bend of veldin;. Carc sho.11 be takon in the adjustrant of tho velding cnperrca tnd voltage in o2 der to assuro proper deposition of the veld natal. The vold shull be etcrted with a 3/32 in. dir. noter electrode r.nd the cicetrede ci::a :in11 b: $ncrenced no the velding groovs to filled up as.shown in the tables on the attached sheets.

Partia13y filled velding grooves shall not be permitted; all butt

' velds shall be filled to the outsido surface of the pipe plus the required reinforcor;ent.

'Tho velding mny bo interrupted provided at least 3/8 in dopth of vo3d has been deposited. To proceed with the velding, the veld shall be inspected as specified beroin and welding renumed; see Inspection.

' Interruption of a veld moans no velding being performed for a period of two hours or more before resumption of vel' ding. This applies generally to heavy wall piping where the veld can not be completed during one working chift period.

?

At the completion of the veld, all slag and spatter shall be-

- thoroughly cluaned from the veld and the adjacent surfaces. Such cleaning shal.1 be porformed using a pneumatic ocaling tool and a stainless stoel I . vire brush. The finishod surface of all butt velds shall be ground smooth

2 enough to permit adequate dye-penotrant and radiographic inspection.
a j

"

  • All products such as grit, scale, dust, etc., resulting from

- grinding, cleaning and inspection during the velding operation shall be removed from the area by vacuuc: cleaning immediately after each such

operation.

- . Precedura No. W-10899-2

- Shoot No. B of 21 Docsmber 27, 1965 INSPF.CTION A. Dutt Ve3As - Reactor Coolant Piping (main coolant loops) i 1

1. The root bead.made by the TIG welding process shan bo dye-penotrant ins tected .
2. ' One internodiate co:nplete circumference radiograph shall be taken of a cach vulded joint. This radiograph shall be taken when not less than 3/f in. depth of weld has been doposited and not raore than one third of-th3 total weld thickness has boon deposited.

3 All finished welds, after final.curface grinding and cleaning, shell-

- be exuained by tho dye-renotrant method and this ermaination shs11 include base-metal 1 in, on each side of tho weld. Those finich>1 welds shall also bo radiogra;.hed.

B. Eptt 'ic1,11 - All primary stainless stcel piping systems designed for 1,000 psi er greater, 3 in. dinuotor and largor, except the reactor coolant piping.

1. 'The root be'ad ende by the TIG welding process shall be dye-penetrant inspected.
2. If wolding $s interrupted for a period in excess of two hours after i completion of 3/8 in. depth of weld, as provided under Welding

% Technique, the partially completed wold shall be dye-penetrant

( inspected.

3. All finished welds, af ter final surface grinding and cleaning, shall be exa. mined by the dyo-penetrant method and this examination shall includo base-motal 1 in. on each side of the veld. The finished welds shall also be radiographer.

C. Butt Wolds - All prir.ary stainless stoel piping systems designed for 1,000 psi or greater, less than 3 in. diameter, and all primary plant stainicas steel piping systems designed for less than 1,000* psi in all sizes. -

1. The root bead made by the TIG welding process shall be dye-penetrant inspected.
p. .
2. The finished weld af ter final surface grinding and cleaning shall be inspected by the dye-penetrant method. .

I' 3. At least 20 per cent of each velder's work shall be radiographer.

i. < Any welder's work not passing this inspection shall have 100 per cent of his work radiographer.

i

- Fracedura No. W-10899-2

[

Sheat 9 cf ' 21.

- . Docsabor'27, 1965

)

D. : A),,1 Pillet Veldm

.d 1. The finished wold after final surface grinding and' cleaning shall be examined by the dye-penetrant method and' this i

examination chall include base-notal 1 in, on each side of

- the weld. ,,

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n.

[t E. Arons whero fit-up cloir.ps are. removed chall te dye-ponotrant inspected.

J_NSitCTION Mgris

1. All ve3 ding inopoetion chall be perforr.nd by or under the direct supervision of a Stone & Wobator field valding supervisor.
2. At the conclusion of dye-panotrant inspection, the inspection materiale shel3 be r ooved as econ ao poucible by sunbbing the areo uith a clean cloth saturcted with alcohol.
3. Radiographic inspection shall be perforned $n accordance with Stor.e &

Wobotor's Radiographic Increction Procedures and AS!S Code reguin-ticas. Radiograrbic inepection acceptability limits shall be bar.ed on the ASE: Code requirements.

' WELDING _ @QJfICATIC@

The procedure qualification tests for this procedure have been p:rforned nr rhown on the attached test result chcots, and it

- shall not be nocessary to perform such tests cgein in the field.

However, it shell be necessary for the field offico to qualify each wo3 ding operator in rceordance with Section II of the ASIG Code. Alco rofor to Saction III of Stone & Webster's Wolding Procedure Specification Book.

CE!E_RAL NOTES

1. Aluminura oxide grinding wheels shall be used on stainless steel welds and base-notal parts. Butt weld surfaces need not be ground ,

flush with the pipo outside diameter but only sufficient grinding )

to allow for final inspection.

3 .

o

2. The Type 300 series austenitic stainless steels are susceptible to stress corrosion cracking in the prosence of chloride solutions

- and, therefore, it shall be necessary to guard against the possi-

- bility of chloride contamination of such parts. For example,

! - traces of chlorides are present in certain types of detergent

- cleaning solutions and, therefore, it is important that such

'i solutions are not used. Also, dye-penetrant inspection materials 4 shall be the chloride-free type.

4-f

, Proctdure No. E10899-2 Shost Us.10 cf 21 Deccatcr 27, 1965 t

! 3. The cleanliness factors are otrossed for two reasons; nmaely to assure sound quclity vold dopo::its, and to prevent radioactive carrioru in the form of dirt, grit and dust pcrticles inside of

, a piping cystum. ,

c.).

Thio proct.duro io approved for use by Stone & Wbster r,, Engineering Corporation.

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Stons & Uobator En0i ncoring Corporation YE .<a R. T. Purcell, 1'a tallurgical Sup3rvicor.

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Pracoduro No. W-10899-2 Shoot No.-11 of 21 December 27, 1965-pre OF JOINT,: Single-Vee-Dutt-Joint , ,

o Metallie Arc ' Wold i .) q,-

ll (1/8"t:av

, i n o

\ l 4,, \ j f r- .I

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r  % A V TIG Root Bead Weld T=] /4" tp,_3/4" . in.clq, g sive -

WEImHo TFcmfIQtc TIG - POOT BEAD URLD ,

Tungsten

  • Shieldin6 Cac Purging Gas D.C. - Str. Pol.

~

l ;[ Electroie Arcon - CFil Arcon - CW. ~i~vp V51to 3/32"or1/8" 15-20 18-22 90-125 14-16

  • Thoriated tungsten electrode - grind end to point -

I' Met 813i,c Arc Weld Beads D-c - Rev . Pol .

.T Electrode Size 1 ,

2 3 Amps volts 1/4 3/32"-1/8-5/32 2 3 4 80-110-135 18-22-24 5/16- 3/32"-1/8-5/32 3 4 6 80-110-135 18-22-24 3/8 3/32"-1/8-5/32 3 5' 8 80-110'-135 18-22-24 1/2 3/32"-1/8-5/32 4 6 10 80-110-135 18-22-24 5/8 3/32"-1/8-5/32 5 8 12 80-110-135 18-22-24 )

. 3/4 3/32"-1/8-5/32 7- 10 16 80-110-135 18-22-24

-[

1 - Horizontal Rolled Position - Average number of beads P - Horizontal Fixed Position - Average number of beads  !

i 3 - Vertical Fixed Position - Average number of beads )

)

Prcerdura No..W-10899-2 Shost No.12 cf 21

- Doessbor 27, 1965 TYPE OP JOI::T: S ir.El e-U-G rt Cve. D.a*.: A lu

(.i ' 4 Metallic Arc keld

\:. f t-1/8"ronx'"I*

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t y /

t \ / << T

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. / ( N u__

T: Grcoter than 3/4"

. TIG-Root Bead Weld

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}gLDIllG TPCIMIOUE TIG '- ROT P,F1.D VEIJ)

Tungsten

  • Shielding Gas Purging Gas D.C. - Str. Fol._

'Y Electr_ ode A_rron - CFil Arron - CFH Aun Volt 3 .

C. 15-20 18-22 90-12s IL-16 1/32" or 1/8"

  • Thoriated tungsten electrode - grind end to point Hotellic Arc Weld Eecds i D,-c - Rev. Pol.

T Electrode Size 1 2 3i Amps Volts 7/8 3/32-1/8-5/32 8 14 20 80-110-135 18-22-24

'l 3/32-1/8-5/32 lo 18 26 80-110-135 18-22-24 11A 3/32-1/8-5/32 12 22 32 80-110-135 18-22-24 11/2 3/32-1/8-5/32 15 27 40 80-110-135 18-22-24  ;

.: 13A 3/32-1/8-5/32 20 32 50 80-110-135 18-22-24 2 3/32-1/8-5/32 26 40 60 80-110-135 18-22-24 21A 3/32-1/8-5/32 30 48 72 80-110-135 18-22-24 v 21/2 3/32-1/8-5/32 34 56 82 80-110-135 18-22-24 i

1 - Horizontal Rolled Position - Average number of beads 2 - Horizontal Fixed Position - Average number of beads 3 - Vertical Fixed Position - Average number of beads L _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Prac dure N3. W 1os99-2 Shoot No. 33 of 21- '

Decemb3r 27, 1965

}-

TYPE OF JOI!_.T: S t .y,1c.U.G rt.c.vc But t J.*i:.t

.11]E21AL L'A1.1. T10 CN1@f ,.., . rr

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5, Ik x__2_T__.._ r J _

f GRl1JD WELD To It f)* M AX. ,

$ MOOT 4 CO IJTO LJ R.

_. p GEN 3 0* V' AX- 4 5 /

PIPE , VALVE OR..

T 4 PIP E oft \

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FITTIMG APPARATLIS FITTil4 G ( ,

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UF.8"E:

In no case shs11the thickness of velding ends bc 1 css, nor more than 15 per cent greater then the nominal vall thickness of the adjoining pipe. The machined ends of valves or fitting bodies shall be extended back in ary manner, with the principal taper cither inside or outside with refer .

ence to the pipo vall, provided the tots 1 taper comes within the caximum l~ slope line indicated herein.

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mn -

m f~

l l

Z -~

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-T M_k TIG Wcld TIG Weld ,

I Ho%t%C;.lTAL P4Lt.ED PosmoM 2 llor.tIONTn Fixw Poomou 3

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~~Netallic Arc Wold TIG Weld

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3-VertricAL Fixeo Posmow )

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. The number of beads, the nr.porage and voltage may vary within Iensonable limits.

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  • TYPr: CT JQ:q. 5. :se t . ge : g .) , $ 7,.,

1 listellic Arc - WLDI::G Paon Gas Puriif rv I;ot Reouf red  :

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T = Ilominal pipe vall thickness C = 141nimum = 1 1/4 T, but not icos than 5/32" 1

A = .Br

}ffLDI!!G TF.CilNIOUE lands  ! _ D.n. - Mr. .Vnj.

_ T, m.ootrodo Bice 1 2 l 3 l. p- l ~ V.

__ 1/2.6 3/8-5/32 2 2 3 100 130 l 2.0 4'2 _

_J/4 1/8-5/32 2 3 4 100 150 l 20-22 3/3 2/S-5/32 '

3 4 5 110-135 20-22 ,

~ 22 2 1/8-5/32 4 _5 7 10 110-235 21-24 21-24:

5/8 1/8-5/32 6 8 no-135 3/4 1/8-5/32 8 10 14 110-135 1 21-24

1. 'Horisontal Rolled - Average number of bonds
2. Hericontal Fixed - Avorage ntebor of bonds
  • ). Vortical Fixed - Avorage number of bonds ,
I e0verbead velding condition j

.}.

i Procodura N). V-10699-2

.' {,.'V ,/ ~

..- /

Shoot Ho. 16 cf 21 Doccaber 27, 1965 ,

M. ' Typs n? JOUg: Brc.nch or Nosr.le Connections (3 in. dica or less) i l'otcllic Arc . WU)Dio PRgCE }Je .

4, -

Oss Purr.igt Not Remtired -

c s. -

.q

. i.

umno CO:rJCOTrot! -

17 g

5 ^

M t) <

c  : 'A

// ...

. e Va* UD / it,--

h.--

- - - - -.V am t bE r

1 .

. - s l

I  :

EMTR:

i '

a' 1. D1 shall be 3/16 in. smaller thc.n D and after the veld has been rade D1 shall be bond or named to the came as D thus

} ,: cleaning up the incide root of the veld. ,

j' . 2. The welding technique shall be r:imilar to that used for socket

weld jointo shown on sheet No.1).,

N 4

?  % ^A. <* ,

1,8 * *p 4

5 l

I

_ y_-.-._ . . _ . .

J

Prccodura Ns. W-10899-Shoot !!o.17 of 21 December 27,1%5 I .

TYPn OF J0DE: Branch or flozzle Connections (Greater than 3.in. ID) g

!!stallic Arc . VE1.DipG PROCESS ,

_) Eas__P_uyninrt Not Regufred

..t- ~

'5 .

Mo'.t ? t.D Cou!J CC YtoM - z {- - 1A b"$

j z

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~ i

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pgpg Yi'~13E ' -

((~) g h.__ .

.y A'N . ,

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EFM: -

1.

After the veld has been made the inside area of the root bend shall be ground smooth.

i j

l l.

2. The veldin6 technique shall be similar to that used for. .

socket veld joints as shown on sheet No. Da p- .

.!~

c,

.s -

1

[

. \

~ - . - - - - _ - _ . -.____ --_______________ __ _ _ _ _ _

. , Procedura No. V-10699-2 Shut No. 18 cf 21 December 27, 1965 Y(f [Tr-UP cie M 3

2 4

~'

, 42 4

i^,.

. ';!S G"APPAoX. . '? l

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i' $.5 D l$$ $-

sn I

Y.l_ 0 'E

(,.

e.. -

@ lhM/ WM h A-2"x2"x3/16"x2" vide s - 0 (preferably 304 stainless oteel) ,

Bs- 3/4" diam steel rod threaded both ends as shown 4 C-3/4"steelnuts-8 -

D - 1/4" fillet veld - ER308L or ER316L stainless steel velding wire Four such fit-up clamps shall be equally spaced around the periph-l ery of the pipe c.nd attached by velding. The abutting ends of the piping I shall be lined up c.nd tightly drawn together with the clamps. After the ,

- ro,ot veld has been deposited the clamps may be removed and the subsequent l beads depocited. The area where the clanps were removed shall be touched

. up by velding, gmund crooth and dye-penetrant inspected.

,e.

y. .

'L n

er

'h s

4 6

4 6

Procedura No. V-10699-2 Shoot No. 19 cf 21

  • December ~27, 1965 d IlDN I!/.I,1. PIPFG SYS'"Dq Piping systems for whil thicknesses less than 1/4 kn. chall be designed and velded in accordance with the techniques specified herein.
~ Where permiccible, a butt joint employin5 an external nligning connector (Speedline or equivalent) chall be used for piping up to and includ- I

.[ ins 4 in. notair.cl diameter, ac shcun on cheet No.19. l S

Where such a joint is not pennissibic, a butt joint as shown on sheet No. 20 shall be used.

Illustrations of typical thin vall piping systems are shown on  !

drawings lios. Sl:-2, SK-3 and ex-4.

To qualify velders for thin vall piping using the external aligning connector no chcun on chcot No. 00 it chall be neccoonry to r.ahe two veld?d compleo in cecordance with thic technique. One veld in the horizontal fixed position and one veld in the vertical fixed position on any convenient cize pipe, 4 in. dira or. lesc. A visual inspection of the fillet-veld surface and the insido curface in the velded erec plus a dye-penetrant inspection of the veld surface chall be the basis for qualification. The inspection shall be perfomed by our field velding cupervisor or inspector and his decision as to whether the velder is qualified or not shall govern. At Jenst one retest and b

f n limited (c.ount of training shall be pcmissibic at the descretion of our field velding cupervisor or inspector.

C W

e 4

1 .

6 -a

. +

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9 Procedura No. W-lf 899-2

  • Shoot No. 20 of 21 Docembor 27, 1965 l l

I' TYPE Ol' J0ffq: Dutt Joint with Alignine, Connector .

'fhin Ifn11 t'ininfan t In. Diam and_ smaller. -y[

A' c

', " ' };,

1 TIG WEi.D AttGrJik!s cocuscTon.

j --

7 - -

') ,

!< I l

(J l ~$ $ '

l 4 I k - - I- - - !- )

lLLET WELDSb WEIDIID_'PJr}Iif1C_t!E - ENDG OF TJBIJiG Ctfr SQ'JAIG Fille r Tungsten

  • Shielding Gas D . C . - Str . l'ol .

Benon Wire Electrode Araon - CFH Amp Volt s_,,

1 Nor.e 1/16" 1/92"-1/8" 10-15 80_100 12-14

  • 2% Thoriated tungsten - grind end to point s The welding technique consists of merely fusing the edges of the aligner to the outside dicmeter of.the tubing usin6 t.he base metal of the nligner itself as the filler metal. Care should be taken to concentrate '

the arc on the edge of the aligner and allow the molten puddle to flew onto the tubing, thus minimizing the heat and subsequent oxidation of the inner surface of the tubing vall. In most cases a ningle pass vill be adequate to form a bead of sufficient size and strength. Internal gas purging is not required.

',2 .

n e , men e - ~

m _em~~--- ~- _ ~-*:_*=--~-~'-_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Procedure N62 W.10899

. Sheet No.121 of 21 Dece.sbar 27,19g$

N>

IJIT OF,, J011:T: Singlo-Vee-Butt Joint \

Q,;- . .

EE.TJTribbtIn3riprJi Argpn,Porre 7tinDn ?irdre Greeter _J_ hen /. In. Die 75' He tr,111o Are Ucid. ~

t 2 /.f * / 8 "g.g, h, --

. ,,__f PtPE T

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a a E n.T TlG-ROOT DEAD-WE LD WELDING TEClinfran; UC ROT OFr.D WE_LD_

'ito;;ot en* Shiolding Gas Purging Cae D,0, .. Syr_, Pol._

g EhnMs.) !_Wus_-38 ii hpn - C'-H  !. ;p 1._ Vr;Lt,L 1/XL".f.: . UF" ll lb2,0  % 22 3

00 110 l M ]L .

'Thorinted tungeten electrodo - Grind end to point PJTALLT,C AhC_ VELD Pqndn D.C._- Rfy1 Pol T Eb etr,pje Site - 1__ 2 __ 3 L . emts :_ Vo3t h cE10 {,'

_S_gb 5 __

13" 1__1___ 3 _ PO-P L ,

_S_@ , 10 _ 1/f" 1 1 J. 90-UQ._ 20-22 l J /16" l 1/8" 1 2 2 90-110 00-22 l

1. Horizontal P.olled Position - Average ntmber of eemds
2. . llorizontal Fixed Position - Average niunber of beads y
3. Vertical fixed Position - Average number of beads. (

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f) PROCEDURE NO. W-lO899-2' m~ DF ?.E t!.DCR 27,1965

., ' /3

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vo'

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[- vm3/ f cot /N ECTION

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(CAN 0Z A PitCE OF

  1. .  ; ff ,

ECCENTRIC  ;  ; DAR STOCK M ACI:lNCD .

  • /s To suit )

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.; 3 I,, -

p REOUCEH q q e ,.

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PIPE

> 9.u,, .M,;

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d. __ _._' j ((/_2L W 7

% 't s

^

(L d

V Al.V E riotutT j .

y,.g t.o ,e n o s SOCKET WELD TYPE INSTRUMENT CONNECTION

/

y . .-

4cax.d:

} CONCENTRIC T

j REDUCER

- e.nmb i _ ALIGNING ,-s CONNECTOR km,

< ms r i

. l l, REDUCthG TEE i s

s TYP! CAL THIN WALL' PIPING SYSTEM I

  • USING ALIGNING CONNECTORS AND SOCKET WELDS s T 4" DIAM. AND LESS i

SK-

PROCEDURE NO. W-10899-2 DECEl'. DER 27, IDG 5 V -

= - f_ ,

APPAR/!TUS ~'%

\. ,

>,SOCi:CY CELD i

/[ ALIGNING CONNECTO Ei!D F-

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--- -<'YRAN$ilTIOi[ PIECE #

4 To iTAPEC v

e =-

3" !.11t3 y -

X APPARATUS

\ BUTT V! ELD s

'j 'l  ; f (

\ .

s I SCH.10

, i TRANSITION PIECE

/

4 To l TAPER 1

1 i

< WELDED JOINT DETAILS -

t FOR JOINING UNEQUAL WALL THICKNESSES, l THIN WALL PIPING 4" DIAfA. AND SMALLER

, m.

i SK-3 I

L - - - - - - - - - - - - - - - - - - _ _ _ _ _ _ _ _ _ _ - - >

PROCEDURE NO W-LOG 99-2 DECEl.' DER 27, 10 G B t

l l

APP /'.RisrV3 03 PIPE TRANSITION PIECE DUYT U! ELD EMD

[Coi!. /,0,CO,00, e t c.

~

3"IilU' '

PIPE SCH. 40,GO,00, c t c . SCH.10

\ \

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4 To i TAPER ,

WELDED JOINT DETAILS i FOR J0lidlNG UNEQUAL WALL THICl(f4 ESSES, THIN WALL PIPING GREATER thall 4" DIAf.1.

SK-4)

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.. . . 1.

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f7 M a *:c , k. . nrP : h . . d.c./.2 r.b :e1 tj_d cir.e: of r.:rt crach or tearf r.

T.1 . .-

1* l i acc T.'nd 'i . .t P.7 + n ro.ln.ectrit: Ioc:tir 2, re.ture, and vire of cny croci: or teorinc

_P-1 rr..o f:idn ':'eM Tc::t n sej ..a 1.o. _-

ltarcribe it.cr tion, nature, ord. cize of r.ny crac$t or___teorirgt _

e DDt. to cortquy of J_ip - No fe_1lu;.s i fi-1 n.2 l,Dont to contour of J1g - No failures 8-3 . l Bent tn contour of Jir - feo fai.l_u.r_e.c 84 _l Portt ._t o qro,n.tarr of .Q,r - No f.2.ilures

  • 'the videroigned fabrice. tor certifit;c tMt the stater.ents tale in thio re;. ort are ecrrect 4,nd th t th: test velds were preparad, velded and tc:tod ib reccordanco with the requircr.:nt.s of l

%.I Dito: Decerober 16, 1965 eignea Stone & Webster Eng. Corp.

(Fabricator)

L O. 700.01 & R. T. Pursell 5

a. >* , in

-

  • f. y  ;.i.*n.._r_*
  • _m. ..: .9_f G..i.:1_CO. Pom UO 1,

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'. ; . t.' .?. c . . L 'n::t pa .:-

t>i- .;-1 .a 1:. n ll thiti- :st .ber nnd Type of Tectn Beriu_.i..re. d. . .. _.

s, = - - - - .

. c.; c:,Aec,ica Lm. lic.Lecil Secticn Free Benti Doot Eend Face 13erL310e Bend 7:a" sic-n inch'n inchen F ' ", . 0.- h' rig. 4-l'. Fig. Q-ll: Fig. Q-1!.TJn. Q-9 lts to ec.) in-chdir ; 3/4 3/0 2 Hone 2 2  !.onn

' M . tat n::d to c:xcr.J 1 2 Hon: None Hone h CWr3/4 .

l ratv f n.' l're:; 6:ra 0.w.'.inent:t.on W1 din;; Position Vc.r tich]

f br.i.: .::r 'i to:ns & debst.nr Gig. Corp. f.ddreon Boston, !ktss tlc).6 L,: 0 3:a :n t,r G,E. LSrg nc. S$ nnatur:

1: n.1".10:: ilientio:1 106P-30!+ 's Thicitucc.u l .06 3" T.O. '/0,cco pi ,

'. citU r _; i r. /.m.c ro:.nci.: wit h r,y n. ::o. 1 '.!-10f>'s9. 2 i Lated Doc. 27 905 -

h J :.r.t Nono Gtratu 11elief Hone 51r.r ta.faif.:n.,,.,_9O)dfp W .-C.ied ScULor.6 bltit:nte m Ti':mion 11ature and Ix:ce.-

Sp:c.ir. n No. '.'IGLh jIhiclur.n.,e f.rt:s Lb  ?.S. Pci tion of ? allure l 7.::1.  !. Did_ _d%._ 3.71,3.!_ 1 L)fd30 f$./'.02..I 011t n16. s pglfi 76,600l Outs $de veld I

__M i m.l 1.??_hl261 31_Q_co

,v F_rct- M d. %n.t ,

i v ?cl. n 1:o. lTeocribe loc:' tion, n.i.ure. and oize of ar>y crach or t%?/ int, I !'t.1 __ _

i 1

%2~

Ecet Tend Test Creci+.2n 1:0. ll):'rcri'oc loc: t.4t cn reture, and cize of cny crack or tearin?

R-1 1 11 - 2 I

Face h nd Tect Sercit.en _ Po. Dancribe locntion, nr.thra, rind size of any crack or tearinn r-1 y-2 Sido Fer.d Test Spacit:en No.ID:acribe Joention, naturc. and cize of any crack. or tearing ,

8-1 ihnt to contour of J$r - No failures r,-2 ~ Bont to contour of Jir. - f.o failures S-3 iBunt to contour of Jif. - No fa13nres 84 Lent to contour of Jir - No failures The undersigned fcbricator certifico that the statements made in this relort are correct cad that the test velds were prepared, velded nr.d tented in e.ccordt.nce with the require r. ento of s, Date: Decer.ber 16, 1965 signed Stone & Webster Eng. Corp.

(Fabricator)

W.O. 500.01 By R. T. Purse 11

. 'hotr.1-mold Centri furall: Cast Pipe j i

l

., ,e g fgt= p f.t.***., ,A i ** - e ,a,is *;g

g. eq y e .., ,.g.} {=

riCCiUDC C.it lJ..'ICliT!:r.1 'rmTS IVR ?.thT '.h:1!Xi Ill PJI'C

% I;.::. thtc ::.a .; 't.: u 'i. 91 T

! to be v<. h' :d in ve.11 thich-  !.!o.:ater r.nd Tyne of Tcots Rec.u._ ired cen:n ri.tdica r. t,c heoce:i J Sectica Free Dens noot Benc Pace Benf Side E:nd

'tc .t.icn jnchen inchen Ti~. f.3R rir. 0.-13 PJ tr, 0,-ll yfg. 0.]!.Fic. 0.-9 Up to cf.d in-2 Ucne 2 2 lions chtdin3 3/4 3/C

~ - - -

~

1::.::. b :t s.o;-

U:nc Nonc  !.'one L Over3/4 to cr.cred 1 2 g fle :ord of Procer.orn Oc:rlin.::41cn L*ciding Positirn Bcrf rcntc2 t

Febr.;.c: t ,r S t or,e 6.1.n:bst er Eng . Corp .f.ddreo: Bos ton , l'c t.s .

Ucl613.~, On r . tor G . E.'dir.g H o . _._. . , _ _ , G1c.%turu ,,,,,,

4't.iwit 1 f,pecificLt$ on /. 562-30h .

'Illid.ac r 1.0M" '

't.S. 70,OC0 poi Uc.1af u3 j u AccoI6tuce uith g20. 1: o . ', ". .'..:LOS',<9-P. t ' Dated De c ,2 7 *19(,3 Prehus hone Stceos nelief hone 1

_f.l.e;.32.f.Zes - atfe s ,cr'e>=ed neet w 'r -icr' Daturc :r.d L...:c-Ulti.d.2 Low $

Spaciten No. '.!$ dth Thicknect,, loca Lb I.S. Paf tion of Pnilure

'f: .1 .I.in

- d.91)  !.J03 1 ( 6.C.D -. .ff . TC 0.ld.11.f.n 2'f.1 e' 77,600 Out sif e__ye] d

, %,,,e 'M D'tn . l . 500 [.'lM, 3'JE90 Free Pend Tor.t Siv.tch.:en 11o. IDencribe locatiota, n:aurr.. end cize of any crach or terrir...

.t R.1 Yn-2 Root T.:rd Tect SrAciron llo. lDancribe . location. _ nature 2 nnd gir.e of any crack or tearine' R-1

- R-2 race Eend Test Spec $r.:n 1:o. Danctibe locration, nu.tYr'c r+nd r.ize of any cre.ch or tecrira.

  • F-1 r-2 Sid;c Enn3. Tect Sp6cimen No.: Dancribt: loention, nr. ure, nad oize of any .crsch or tearinr; S-1 .J3nnt to centour of JA r - No feilures S-2 Dent to contour of JJc - Ko fai]ures S-3 Bent to contour of Jir. - Ko failures

. B-4 Bent to contour of Jig - Ao failures The undersigned fe.bricator certifies that the statenents made in this rerort are correct and that the tt:st velds were prepared, velded arsd tested in r ccortirance with the requirc:r.cnts of 5

Date: December 16, 1965 signed Stone & Webster Eng. Corp.

(Fabricator)

By R. T. Purse 11 l W.O. 500.01 '  !

' hotel-mold Centriturally Ca st_Pi pe  ;

l

t M

n A " q: n n >mn,mnn : ecare:ypws rnr u j.9 3-h".fr! *!!h: C'J'.L!P101.TP.UI Tr,.'.7lj Toil D'J17 ITCIM 1H PJPE

~1. ~ .. t .11 ,. ....

!. .. . .. y11,.,

.,0 b t'c h .1 f r. t dl thich- Mitzber pnd Type of Ter.tn !Mouired ~~

ce;. .,t rutt o.. 1.. :, a )..rance d Coctica Prce rend Ecot' Lend Face Der]dSide liend

'hrnul m inel ::: $nehes Fin. 4-32 1'ir;. 0-13 Pig. O-lh Tir:. G-l!. Pin. Q-9 .

Up to r:ns it?-

citsdin:: ~!/h 3/O 2 . !'one 2 2 None

!'a .:. L:t not

&/cr3/4 t e c :*..rt. cd 1 if Fox. . Hor.0 None h [

=__ .

Decor.1 r;: Froc cuu innlinectic,i W1dit:g Positicn Horir.ortral: {

).%ricatm Nil;c h Webster l'nc. Cor}Addroca Bo:: ton , b ss .

I 1.'.:10.1 c ; (9.. . . .c.' cz G. E. Ults;' is o s _. . __ Dict.sture - .!

1::,teri:0 1.

scific t.tien! 31?..'t P-30khicl Act.a G. 750' T.O. '/%C00 tri ,!

Ucle.ine.: in Isceorar.mca t?ith I,s.c. ..'c. i?-.10099-2 Dated 1300.2'/,3965 '

Puhoct I.'one Stretcc r.clict hone

  • fD,g.aup.d..q,} - 1081d C-3 $Pca.ced  !.ce J+.im IJ1tf.r..J.c a d t. n d en N ture a:nd locr.-

Sp2cic en !!a.jUidth Ibichneco f.rcts , Lb T.S. .Pai tion of Foilure T-3 _ . 2% Gl lil 18_l. ' .

l i l t.15(. 65Jf.O In t.e3d  !

T-2 . '/ Sli l . 6 52 .I t92! li l,6 50 -

ot+,600 In veld F rac i. n.1 ht Oc: cf r.on !!c. II sceribe locr.tio.Lipt,.urAcnd cize of cny cinek cr _tce.rinc.

FIL1 - - - - -_

l'I.l

.. .2. -

Root Bend Tect g Syge,$ r.cn _ IS,. lL2ccribe loc?. tion._ _r:nt:3rc, cnd si::e of cnv _ crack or tenring l 11- 1 I

~ i B-2 l

~

_ Faco Lend Tcat Speef r.:en !!o_. lDencrJbe loent$on, nature, #Ed cite of ray. crack or tenr$ng F-1 l F-2 l Side D.4nd Test

. i CIcef ruen No. D:ccrjbc 30cc. tion, unture, tud aiu of ar.y crack or tearing B-1 nnnt te coritour of Ji r_ _Jo f'qilures '

s-2 -

Bent t o cont aur of .'ig - Eo fe.j lures S-3 Bent to contour of 'ig - No failures 8-4 l Bent to contour of JiR - No failures

  • The undersigned fabricator certific that the statemen,to innde in this report are correct and that the test velds were prepored, velded c.nd tested in occoniance with the requirements of fg" '

Date:Dec0niber.16, 1965 Signed Stone & Webster Eng. Corp.

l (Fabricator)

W.0 500.01 Dy n. T. Purse 11

.

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