ML20206N521

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Electrical Penetration Assembly:Leak Rate Test Rept
ML20206N521
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 12/23/1981
From: Beck J, Jennifer Davis
BROWN & ROOT, INC. (SUBS. OF HALLIBURTON CO.)
To:
Shared Package
ML20206N354 List:
References
FOIA-86-1-87, FOIA-86-270, FOIA-86-A-87 NUDOCS 8607010474
Download: ML20206N521 (6)
v • d • e


Text

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. :. 796 ELECTRICAL PENETRATION ASSEMBLY LEAK RATE TEST REPORT UNIT N0. ,/ EPA N0. /EW ,-

DATE /2, 4,3

/

TIME PRESSURE TEMPr.PATURE o 9/b' [D %o=j

/o f o"o b78 /=

g_Q P4 m CT f / /

TESTED BY:

h AVERAGE: 8,000

. 7-QC WITNES :

7 fu '

W PERFORM TESTI IN ACCORDANCE WITH:

Current Revision of Brown & Root Instruction EEI-9 and Gibbs & Hill Specification 2323-ES-12 gggjg NOTE: Compare both individual hourly readings and average of the hourly readings. Report excessive leak rates to' Electrical Engineering.

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70 4 860624 CARDE86-1-87 PDR b

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.- cera w c:.cru.=.,ra.w u.~ \

@ g { E} Ng EQUIP N O.

@UN T NO. @ QUANTITY P s icF b Nctrca ne ra 1on Assemblies Installation b

@ SPEC / PROC / ENG.lNSTR.

P3?3-ES-17 m @ LOCATION Safeouard Buildino 790'-6" gSYSTEM

'1301 PREPARED BY N M'" ATE / l ' t" J'l DEPT. NC MM REVIEWED BY /# "N NN DATE / 2 - /o - f/

ANI REVIEW A'Y DATE QA/QC CP. No oEPT. OPERATION CoNSTR ENG. AN1 fl0TE #1: a) Dwgs. received under CP-460 -

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b) GaH Spec. 2323-ES-100, & 2323-ES-12 c) Amphenol Sams Documents 123-2101 a 123-2098. Instah j/ e ation operation and maintenance instruction manual.

d) Amphenol Sams Document 123-2245 Rev. A. ,.

67 NOTE #2: An asterisk (*) indicates a QC hold point. Do not proceed without QC acceptance of operation. ,

e NOTE #3: Storage and maintenance requirements as described in the 4 / '

Equipment flaintenance Record shall be enforced until 3pera-p tion !!o. "5C" of this traveler is performed. g N

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ff It is not necessary for not-related operations to follow a f .fp s .,-

I40TE #4:

progressive sequential order. '( 4,,

1 Elect Select the correct penetration assembly by utilizing the tag number of shown on the name plate which is located on the header plate. (

QC(V) 'JOTE: Unit #1 E.P.A. 's will have a tag number such as 1E-4S and l Unit #2 E.P.A.'s will have a tag number such as 2E-48.

Location of the penetration assemblies shall be determined by using the latest construction issue of-drawings.

2 Elect Unpacking Electrical Penetration QC(V) CAUTION:

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Extreme caution shall be used in dismantling the crate.', p Pry the crate apart instead of using a hammer, so as.to r

avoid damage to equipment inside. Do not use the equip- l?'g.V g0,o ment as a levering device.

2a Elect if a framework exists, dismantle it being extremely cautious as to \

QC(V) avoid damaging the wiring or the assembly inside. .f/ h 2b Elect Remove the plastic protective cover.

QC(V) 1l of C4 2c Elect At this time, unbolt the header plate from the cradle which it is 9'y G <

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.lC(V) resting on. N 140TE: Studs, nuts and washers used to secure all E.P.A.'s to the cradle are not to be thrown away. These items are to be used gl'/if f t in attaching the header plate to the weld neck flange. t 9

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.,i.'AVELER pO. ACTIVITY DESCRIPTION l-81-19y -9301 m Electrical Penetration Assemblies Installation PAGE .2. OF_5 .

_. . HEPARED BY [AM br> "- DATE / E - / o ' A'/

m. .EVIEWED BY /'M 7~~ DATE /2 - /4 F/

..NI REVIEW Mh DATE

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  • cA/oc NS. DEPT. OPERATION CoNSTR ENG. AN Elect Support rods and support plates are assembled to the header plate on all penetration assemblies by the supplier prior to shipment.

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g QC(V) Check that all support rods are securely threaded into the header 7/st/p plate. Check all hex nuts to make sure they are tight. (Tighten 9j/@

as necessary).

Elect All cable ends shall be sealed by using Heat Shrinkable end caps or scotch tape 33 (or equal) tape to prevent entrance of moisture. pt^-  %

p7/l/9 g88 QC(V) Visually check all cables for damage to the insulation which might have occured during shipment.

Elect Wipe raised face of flange with clean non-abrasive rag saturated F with commercial !1 ethyl Ethyl Ketone (MEK), rub vigorously and allow QC(V) to dry.

[7 O'@p CAUTION: Do not allow smoking or open flames in the area while usin o f/II/fl MEX.

Elect Thoroughly wash raised surface of flange using tap water and a clean non-abrasive rag. Rub vigorously to remove all traces of rust pfy

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QC(V) inhibitor and wipe clean. Remove all traces of rust, if any is found Ugj j per traveler EE79-033-0200. / g 1 Elect Using a clean non-abrasive cloth, clean the raised sealing surface with 1% sodium Hydroxide (Na0H) solution.

j yll M g Sg QC(V) CAUTION: Do not allow solution to contact the primed or painted 0 surfaces. Operator must wear gloves (vinyl perferred) and splash proof safety glasses.

Elect Thoroughly rinse surface with tap water and immediately wipe dry.

i QC(V) G g\

Elect Immediately clean surface with an isopropanol saturated clean sof t cloth. , (

QC(V) ,f l Elect Allow to dry for 20 minutes. Inspect for any evidence of moisture, pgf QC(V) dust, etc. Surface must be clean and dry.

<3(,4 Elect Coat raised surface with Dow Corning 971V lubricant. M QC(V) \ -

4,fl W4 M

NOTE: Weld neck flange is now ready to accept thelpenetration assembly. S-

\p Elect Electrical Penetration Assembly Installation /

QC(V) CAUTION: Use care when uncoiling cables. Do not pull \ge' inst the 98 module tenninations in order to minimize the amount of M tension and strain on the module terminations. Cables # sll 9/eg/

i must be supported at all times.

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.TRAVELE'Q pO. ACTIVITY DESCRIPTION EE-SI-llF-9301 m ri nc t ,-i r 21 o m ., m + - m , 4 ~ Assemblies installation PAGE.2. OF-.!

PREPARED BY CAP C[ [ W DATE /2.-t0 - //

REVIEWED BY /* 47 DATE /2 /d-8/

ANI REVIEW Mk DATE cA/oc oP. No. DEPT. OPERATION CoNSTR E N G. AN NOTE: The loose equipment kit packed with each electrical penetra-tion will contain materials for the installation. The Dow Corning 971V lubricant is located in electrical penetration crate #2E-32. These 8 oz. containers should be sufficient for both Unit #1 & #2 installation.

4a Elect Pass thesidetwoof(2) thelarge o-ring seals over the inboard cables up to thc f QC(V) inboard header plate. 'N

/2/ffg Ig 4b Elect Attach hoist hooks to factory eyebolts and raise the entire penetra-tion assembly and the fixture to the nozzle location. If adequate space above penetration will not allow use of hoist, transfer pene-tration tb carriage and use carriage for support and location of

JC)V) CAUTION: The inboard cable support fixture is attached to the header plate and aus; ce fully supported at all times. ,

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  1. 1 10TE: If gauge reads zero (0) Electrical Engineering. Do not proceed.

4c Elect 'ianeuver the penetration assembly to a location where the cables can s' feed into the nozzle. N 4

JC(V) 10TE: Some penetrations may require rotation of gauges to aid in [ l'tjYgI /3/g/

installation of penetration assembly through nozzle.

4d Ilect r eed the inboard cables from the tank exterior.

JC(M) :AUTION: 1. - "- 1000!icti @asc ccaductor; =:t be 1 talled 2 "#+ "

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the ung Special care shou end toward the modu o prevent damage to the cables. r- e

3. " ~"""d -^"d"-+^re eh^"1d ha -"a + h rn " n > mia

-c2He suppert, " possib!c.

4e Elect Depressurize the penetration assembly by removing the screw and sealing washer located between the 0-ring groves, as required by M

1C(V) caution tag. 3 ,

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4f Elect Clean the header plate face on the 0-ring groove, side with a lint free, non-abrasive cloth using commerical grade Methyl Ethyl Ketone r fp g (MEK) in order to remove all foreign substance and allow to dry. 8elgg

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1C(V) CAUTION: Do not allow smoking or open flames in the area while using MEK.

49 Elect lipe the 0-ring seals with a clean cloth and coat with a light film k af Dow Corning 971V lubricant and place the o-rings in their appro- /

JC(V) priate grooves in the header plate. / fey /k

TRAVELER ACTIVITY DESCRIPTION L'E'81-g - 301 Electrical Penetration Assemblies Installation PAGE _!_ OF 5_ _

PREPARED 8Y OO /d DATE e 2 -m O REVIEWED BY / 7~~ DATE /2[/o/r/

ANI REVIEW hb DATE QA/QC oP. No. DEPT OPERATION coNSTR ENG. A N1 4h Elect Continue to feed the assembly into the nozzle until the header plate QC(V) makes contact with the flange face.

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41 Elect Prior to contact, check for correct placement of the two (2) o-rings QC(V) CAUTION: Be extremely careful not to dent or nick flange face or th

[M M header plate face. In mating the header plate and the wel i ///g /$r/gj

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neck flange, make sure open bolt holes line up.

4j Elect Install all studs in the bolt holes and add nuts and washers. Tight 9M QC(V) nuts finger tight until all are installed, iag 4k Elect Tighten all nuts using a " diametrically ocoosite" sequence to an pfy QC(V) initial torque of approximately 25ft lbs. r

, # #l 41 Elect Tighten all nuts usina a "diamtrically opposite" sequence to an "ll'lf)

QC(V) final torgue of 100(+10, -10) ft lbs.

Torque wrench # c7 gn' M fh Cal, due date j nn. o 4//g/8/

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4m Elect Field shall provide some type of mechanism to support the cables on both sides of the vessel wall. Refer to caution note under item 5. b QC(V) Field shall also provide a method of enclosing both ends of assembly /24; for protection against damage during construction. //

4n Elect Remove hoist hook from eyebolt and any other rigging equipment with QC(V) care so as not to strike the valves or gauge or other components.

NOTE: Repack the loose equipment kit with the unused materials and [W k%/g 2

seal the carton with tape. Write the corresponding E.P.A. g//tg tag number on all cartons and fill out a return to warehouse form attention Carl Parr.

5 Elect Condensation Removal /Repressurization immediately after E.P.A. is completely installed perform the d QC(V) following: 7E/

R the 1/4 inch pipe plug from the outer surface of the header ppv Sb Elect Purge the system thoroughly with 10-15 psig dry nitrogen for a QC(V) minimum of 30 seconds to assure removal of condensation.  %

NOTE: Dry nitrogen utilized for pressurizing the penetration Til '

assemblies shall be dew point of -76 F.

Elect Reclose the two gauge valves and replace plug.

g g) NOTE: When replacing threaded fittings, gauges, or valves, a thread pp Sc y

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  1. * ' Newington, Conn. or equivalent shall be used. sealant such l as "

Sd Elect Pressurize assembly to 45 psig with dry nitrogen (Dew point-76 ). /pv QC(V) /p p

C T 4.V dLI*R blO. ACTIVITY . DESCRIPTION

.. el- //g9301 Electrical Penetration Assemblies Installation PAGE 5 OF5_

m tPAREDBY 61PC # DATE /2'/o-8'/

t VIEWED BY # ' Cm2 J -

DATE /0 //o///

Nl REVIEW Mh DATE QA/oc No. DEPT. OPERATION coNSTR ENG. ANI Elect Perform a leak rate test in accordance with procedure eel-9.

QC(V) Isl/6( 'k Elect Record all data and submit to Electrical Engineering.

QC(V) b

/2jj, ip j Elect After completion of leak rate test repressurize the penetration QC(V) assembly to 60 psig.

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Elect From this point on the Electrical Penetration Assemblies shall be p f QC(V) maintained in accordance with the equipment maintenance record. <

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After completion of this Traveler return to the Electrical Engineering Department, attention Bill Ross.

Upon Engineering review, issue to Quality Engineering. "//f/

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