ML20094N390

Staff Exhibit S-40,consisting of Ltr Documenting Testing Performed on 4-inch Eys Condulet Assembly

ML20094N390
Person / Time
Site:	Farley
Issue date:	02/19/1992
From:	Ramon J SOUTHWEST RESEARCH INSTITUTE
To:
References
CIVP-S-040, CIVP-S-40, NUDOCS 9204060327
Download: ML20094N390 (22)

Text

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~~~ Staff E.xh. 40

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- W mR 13 Pil'10 i Mr. Cane Pettit Beghtel Power Corpe, ration g y 3; , ,

- P.,re. Box 607 7ijuca

%nums W a

• sa thersburg, Maryland 20760 BWa h ,

Subject:

Testing ar.4 Irradiation of Tour Inch EYE Condulet

Reference:

3echtel Furchase order No. 9645

• 5'wRf Project No. 03-4974-001*

Dear Cene:

Ris letter is to document the testir.g performed on a four inch rYS The set-up condulet assembly tested at Southwest Research Institute.

and tes.ing of the assembly were performed as follows: - .

1. Tour inch ITS condulet assembly with 48 co.xisi cables potted with Chico X and Chico A05 potting compound.

Cables uses were: 44-2300 V coa: (ID.), 3-1000 V coax (137), and 1-1000 V coax (136). Assembly allowed to

. cure for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. -

2. , Pressure side of each cable end. sealed off with Dov -

Corning silicone rubber scalant. This was allowed to cure 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

3. Condulet assembly was pic:ed in, pressure test fixture

. and checked with 30 psig of air to check for leakage.

Eo leskage was evident. The condulet assee.bly was then subjected to 3 psig of, sir for one hour while moottored "

for leakage. No leakage was recorded. '

4. The condulet assembly was subjected to 30 psig of air for one hour while being monitored for .eakage. No leakage was recorded.

5 Yne assembly was then tak.cn to the SvR1 het lab for irradistion. The test assembly was irradiated with eobalt 60 to a total dose of 1.02 x 10 8 R at a dose

~

e of 0.9 x 106 R/ hour, n c "in air" dose rate var aca-sured with cobalt glass chip dosimeters.

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.- February _1,'1979

• Bir. Gene Pettit

6. --

-Condulet test assembly was subjected to further s

.. pressure tests'after' irradiation. Three psig of- '

ff -

. air was 'spplied to assembly in test fiature for :-

• c, Fressure was f,, . - -

one:bour. No laahge wasgecorded.

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.then increased to 30 psis of air and maintained- >

I~ for ene-hour. No leakage was recorded. _

7. The'condulet assembly. was set. up for steam pressure '

tests. The test fixture was heated to 330'T and the condulet assembly was then subje:ted to a steam pressure of.30 psig at 330'T.* The foliosing leak

--retes were established:

After one-Nour

Pressure = 30 Fsig-Te=perature =-330*T

• Leakage = .610 Oubie Inch /Four . ,,

-After Two Acurs .

Fressure = 30 Psig

.. Tempertture = 330*T

' 14akage = 8.542 cubic Inch /P.sur -

If I.may answer a,ny questic,ns you say. have on the tests or the results please contact me. It has been a pleasure working with you on these tests and I hope ve vill continue to be of service to you in any future ,

"J testing you may have.

Sincerely. * -

'~

-P- b. N ,

-~ Jesse 1. 'Ramon Engineering Technologist ,

Special Projects

- JIR:sak

-cc: - George K. Wolfe A??p0VED: .

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Edwar.d' H. Briggs . Df rector Ocean Inti n:ering and Structurni Design

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7 Mr. A. Ronald Jecobstein St.aff Enrincar j'.

WUS CDRK.3ATIOX 4 A:secrch Place Rockville, M:.ryland 20050

Dear Mr. J:

cobstain:

This is in an:ver to yoa latter of Decerber 12 our EYS seals. Chico I fikr and Chico A coc:poun,ds.1975 concern ow Chico A- ccrgound is a etixture of nytirated.oxidc' set portland cz=:nt.

- non-tlu: :ble.

Chico A is an inorgcnic eca pound and is .

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d edepositian.

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Our curront Chiconon-f14:n:ble.

It also-is 1 fibsr is ceresic and is an nina-silica alt "I-l- Chico X fil:r.he heve U1 11 tii g on our LYS seals with Chic o A cen vu.-4 and

.. The listing procedures require etm.pliace with

• v '

hydrosteric C86.

Tho 11 pr :rurs tests end air lat.\ age tes to per procedures do not includa fire rating tests o O

1 M Ai~rion tects. r *1ame a:ct.ntia.1.ly cA-Mully insrt.As to cte-6-1 ste.bility, co 1 to be we con the cchis jacketin; c.sterial and Chico A hasTha LL listing does not res of tee with ruparts all kinis of jacleting a. steric 1s.se;

• ye ars hi t::,. y of incocpatibility. Wa have had no I truct ths above inform: tion will be c. of assistan e E

r sincerely, CMfar-HINDS COMPA#t

( J. w. cxie, Scias & ScWice Supervisor 005564 Cte:ct:n:etion F.atciala JWS:da 6

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TEST PROCEDURE 1 <, 0 Ceneral '

iJ _the contents herein outline swr 1 proposed Bechtel te Powe at proced'ure r s

.%d methods to meet the requirements set forth by

' 'Cirporation's Reque st for Propos al dated April 4,1977.

1. 0 Air Te sta 2.1 Condulet A s s e mblie s_

Each of the different size s (Minus cable s and sealing compound) The of condulets shall be assembled in the manner shown in nipple attaching the assembly to the inner side of the swr 110 loch meter te st chamber.

and the closure ring in place, 30 psig of regulated compressed air -

will be applie d. Any leakage occurring in the test assembly will cause h an air flow out Pressure of the test shall chamber be applied for andone into hour and thethe inverted total beaker in t e

' colle ction 'de vice.

volume,of e schped air collected shall be used to establish an hourly .

le akage r. ate, 2.2 Cendulet/ Cable As semblie s Each of the six different condulet/ cable combinations will be as sembled as shown in Figure 2. swr 1 will fabricate a chamber from 8 or 10 inch pipe to serve as an autoclave and, in this case, as an air The te st specimen will be attached as shown, to, -

pre s sure chamber. The end plate will be a pipe nipple welded towith a 1/2 inch thick plate.

the autoclave chamber flange. An asbe stos match drilled to mate type se al shall be. utilized to provide the pre ssure barrier at this june-tion. The outlet end of the assembly shall have a similar pipe nipple / '

The end plate of this fitting will have a welded 1/4 inch plate fitting.

pipe coupling for insertion of a thermocoupleph ~ Rand a pipe threaded e gulated joutlet for plumbing to a collection ve ssel (see Figure 1). -

-10,

rehambe 2 r.0 and 30 psig air will be applied to the inlet dura- of the pre ssure vo!ume utilized to determine the leakage rate for the hour of test tion at e ach pre s sure.

005565

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3. 0 . Ste am Te sts (Reference Titure 3)

. ' 3.1 SSE Tests .

With the specimen in place, and the autoclave at ambient room jemperature and pressure, 330' steam at 3 psig will be applied.l be se

.Jmmediately, a tempersture controller wild to strip heaters attached to

.'gu:rrent wills.

to be applieThis method w111 give an initial steam pre ssure / tempera shock and still establish a stabilized pressure and temperature con.

dition throughout the six hour hold period.

Strap heaters will be wrapped around the Thisremainder will be of the assembly to apply controlled heat at 220'T 240*T, d nece ssary to prevent condensation of steam leakage until the escape The volume of collected condensate hour

- , steam enters a condensor coil.

will be measured and utilized to e stablisPAir leakage rate.

a weight of w regulated 30 psig compre ssed air will be applied for one hour.

Icakage will be directed to the collection device (Figure 1) and the volume collected will be utilized to determine an hourly leakage rate.

. 3.2

• DBA Te sts_

All DBA tests will be conducted with the same circuit ar ment as in the SSE tests.

the following:

30 psit, steam at 330'T for one hourImmediate reductio l

' for 23 hours2.662037e-4 days <br />0.00639 hours <br />3.80291e-5 weeks <br />8.7515e-6 months <br /> ,

- 30 psig compressed air 'st ambient temperature for one hour A111eakage rate s will be established for each different condition.

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4. 0 Final Re port _

At.the completion of te sting, a final report will be (1) leakage submitted rate s for

}o Be chtet which shall include, as a minimum: bje cte d mach specimen tested and for each condition the specimen was su to, (2) photographs of each assembled' test specimen and of test e ment and facilities utilized for each test, and (3) data forms for each

' specimen including dates, times, conditions and results of indiv te s t s.

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iSOUTHWEST san cvLasa.a a os a - ^ *- rest RESEARCH omct easwas sesse INST

• 1TUTE ss" *Nronso. rsars men '

" July 13,1979 _

[ AT Fd 64 MCAI 3f I Mr. D.*R.- Quattrociocchi .

~

'-i; Sechtel Fever Corporation.

't- .Crand

!15740 shady Gulf Duclear Crove Road Station-

- Caithersburg._ Maryland 20760

Subject:

Testing of T.YS Condulet/ Cable Assemblies

Reference:

Bechtal Job No. 9645

- SvRI Project No. 03-4974-001-Dear Mr. Questrociocchit This letter is to document the testing performed on six TIS conculat/

cable assemblies.for 3echtel Fever Corporation at Southwest Research Institute.-

All cables used for testing were furnished by Bechtel.

-The setup and testing of the assemblies was performed as follows:

1. Each ETS ~condulet asseebly with the prescribed number and type of cables vas-potted using Chico X fiber as a daming

• saterial. The assembly was then allowed to cure for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />..

2. . The . pressure side of each cable had was sealed off'vith Dov Corning silicone rubber sealant which has a useable tempera-ture range suf ficient f or these testa. This was allowed to cure for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

3. -

Each condulet/ cable assembly was then placed in the test fix-ture and before any testing was started, the assembly was "

subjected to 3 psig air pressure and checks were made to-be-

• certain that the cable ends exposed to the pressure were not ,

1eaking.

4 Each condulat/ cable assembly was h3 en sybjected to 10, 20, and 30 psig coupressed' air for Fo'ne'h5A7 at each pressure set-tin g. A leakage rate for asch assembly was established using a-precision bore florator tube S/E Bl.-27-10/700 standard C.T.M.-

air-met, at 14.7 psia pressure and 70*T.

i Each condulet/ cable assembly was then vrapped with flexible

5 r

heater tapes and subjected,to 3 psig, 330*T steam for six hours. A leakage rate for each assembly was established by condensing the 1eakage steam into water and measuring it in

~

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al/ minute. This was then converted into cubic inches / hour.

e rzten no nssss = rwx no esw san

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Mr. D. R.=Quattrociocchi 2- July 13. 1979 6.. Each condulet/ cable' assembly was then subjected to _30 psig.

330*T steam for--one hour. A leakage rate was established . - in j* , the same manner. ,

j 7 After one hear at 30 psis, 330'r steam, the pressure and temperature were reduced to 15 psig. 250*F fer 23 hours2.662037e-4 days <br />0.00639 hours <br />3.80291e-5 weeks <br />8.7515e-6 months <br />. The leakage ' rate for each assembly was taken and recorded af ter 23 hours2.662037e-4 days <br />0.00639 hours <br />3.80291e-5 weeks <br />8.7515e-6 months <br /> at this sustained pressure and temperature.

8. At the conclusion of the steam tests, the condulet/ cable asse:-

blies .were allowed to cool lto room temperature. Upon rasching room temperature, the assembliss were subjected to a-compressed air test of 30 psis for o,ne hour. A leakagt rats was established for_each assembly..

Enclosed are photographs of the potted condulet/ cable assemblies and test setup. All leLkage rate data can 'e found in Table 1. .A despiled

~

porting. procedure which was used: for the test samples is given in Attach-se.nt 'do. 1. If you have any questions concerning any part of these tests, please do not-hesitate to call me.

Sin: rely.

2 '

27 e E. Ries Senior Technician Special Projects LEE:sak Enclosures

.ce: E. M. Briggs ..

R. C. DeHart- ,

REVID ED:

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- Ge or ge _ K. 'lo n e . Ma rgir ge r .

Special Projects

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FICL'FJ 1. 6 INCH C0h*DL' LIT / CABLE ASSDd.!LY VITH 3 1/C 750 KCP.

15 KV CA!LIS AND CHICO X TIBER INSTALLED 0055M

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ir-TICURE 2. 2-1/2 INCH COCULET/ CABLE ASSEMBLTES ATTER POTTINC k '

CHICO A05 COMPOU C (Exposed Cable Ends were Sealed with Sili;;one Rubber Sealanti

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FICi:RE 3. 2-1/2 IN*H AD 6 INCN CONDLLIT/CAELE ASSTv5 LIES SET UP TOR AIR LEAXAct TESTS

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r-TICURI 4. STEAM 1.IAXACI TEST SIT UP

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.g CHICO X FISER ,,

For Cer-se Hinds seals

,. for Hmordows.iecation.

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1- Pt[PAB.ATION OF CMICO I DAMS

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2. (Ac',e dem in het) of Seeling IsHeng vaing Chise I la U; eing menne .

NOTE Verticef le w.. . t.,ttings e.ning. need...e d,em v.m only la bottom hwb

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. . . ej uity o W 'ind std. fwes sedetteci se.pd m q ap.nsg D3 Pool U$t ME1A1100L5.

, b) Peck Chase I fibee late =Wvli hwbl.si beht.d me.d cy..

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al Pvsk eedveters over hem hilig e,enig e.w go,,,

ehem wet.  !

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, d) Pad f.bei betw**a A>C e'eved sedwoors in kub: ).

i NOTE  !

W sedwoors ore silM lasert temoeteWen wedges between seedsc$aes se eW in held,ng

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l_. . dem Aevid be Ilveh wHh sendvh bushir.g l 4

CAUTION  !

. Don't leove shreds of f bee st. cling to wet! e, l

- ee4,oers. Svch Areds foem ehenne!s thei  !

elle, leeLeee. i 1

3. Mis end pour Crevi> Minds Chice teof ng compoun d in f accordance with lastructions lvWahed ..fA sempegnd.  !

W CROU11.HWO$ CCMP ANY F231.t EV. 9/75 $yeocwoe N.Y. 13201

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ATTACRKINI No. 1 EYS CohtVLIT/CA3LI A55DGLY P0YTING FRCCEDUKZ .

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7 All petting of the rYs condulet/ cable assemblies was perf ormEd in accord-i ance with the Crouma-Hinds installation instructions furnished with the t materials. A copy of the insta11stion instructions is enclosed with this procedure.

/

1. All cables were cut to the appropriate lengths and cleaned with Treon precision clenning '4olvent.

2. The cahlt ends that were to be exposed to the pressurd were - - - -

sealed vith Dow Corning silicone rubber and allowed to cure.

3. The YYS sealing fittings were then placed in the horizontal

+ position with the threaded plugs removed (see Crouse-Hinds 1 nota 11ation Instructions 172B1-Rev. 9/75). The electrical cables were then run through the sealint fittings and centereL A. Crouse-Rinds Chico I fiber was then tightly packed around and bitueen the cables in the hube of the sealing fitting. Care was taken to make sure that there was an air space between each conductor. Care was also taken to make sure that there were nu stray shreds of fiber on the valls of dbe fittings or en the conductors thensvises. .

5. Chico A05 sealing compound was used to seal the asser.blies. An amount suf ficient te make ore continuous pour for tsch assently was mixed. The nixing ratio for Chico A05 is two parts by volume et Chico cortound to one part water and it must be mixed in a clean container each time. The compound was then poured through the large opening in the fitting making sure no air pockets developed during the peur. 3oth plugs were then scrawed in flush with the' body of the fittiag forcing the excef s sealing co= pound to exert pressure on the fiber dans af each end of the fitting, i

6, 7ne e indulet/ cable asse hly was then set aside to cure fer 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, i

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,# CONDuti SEALING IN HAZARDOU5 LOCAHONS .A ,

, USE ONLY CROUSE.HINDiCHICO X FIRER FOR DAM 5 AND / '

2 y CHICO SEALING COMPOUND TOR $EAltNG- ':

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N cede la secti.a sc2 5,aivt n wete in cwa ti see -

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ing .4 ,, k... . f;ui , .pe,,i.,g  ;

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A.twe.,e.aevaeairma = A,intviwi f.cwen v .

n.m.eh. ,vm .h.vid 6. lect;ned A., weiv wui w on ,

an enWorn ei sa seets but win be led s. l w peats whm g. 1 z u sa , peu evt thewsk sco upW:er*pi f de m. eg .g

'. Freeveatly Ae we.agemoni af esm m.kn Ais mea.d y) amp, >evica! W ne amen.% .; in wch intenenve en no f* **'il "da M"*#"Lb in- r

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in wetens which vw.ny are 3.uidmd dry, wrpri.ing g.

L w, wai. .I wm, f..,veity wueet in e.advi, spiems. N.

maden .ystem u wriighi, Amtm. a my ab, Ae Ai.

s.,neie ince.cn .ad d.c,.,n* in tempe,.ive. .ad/ be. 8* dias bi.w..m to rys4 sm.. . .d metic pen vee dv. i. .eethc .heasn , dv. t. Ae nem 8Y3115"

L .t the p< cus .seri.d .a in As w tie vkm Ao e.adun 4 p quiarnd wat .. "be.ching." , ,, , g;,, , ,,;,, , g,,,,, , , ,,

l 1Cviside .ir' k dr.wn late the e.-delt system wk.a M Arevgh A. pipe pivg e,ening ahe.e she s.v.,,(s ee Mairve.

f- _

!s "b+eethe lh." If th;s .it s eries wMicient moisture h wl!! be '. ii.e preided with CMce 1 Ns.) ,

2 a.vfestd =1Ain the system when the tempetetoreelect ses F.: h.rtaantet eechag ! th. X" she.vgh 4" atei't.mewe s J L ud skills this eit. The intera.1 c.4t;.as being valeve,eble beh thee.ded pfves fre.a FYS.

+

j,  : a. 's nereisen Ao vesvitent we'ev .r.cvmu!.fi.a will sem.in C.astevet d t s, per lastructi.m pr.,lded ,nh Quc. I p and be added t by v.peit.as of the be thing cycle. fabee,in bek . ads .f Ae EYs P' **" E'" ""S"8 *'"# ** "***d'** 'p'wN" la view .I ems taet;h d. sawee ogoiast avch wwwi artr h%m w% e has emap.vas r s'h .

• 'savici.m .ad peob.bi subisevent imvleti.a f.ilve.s by en. ,

* ***""E O' **8" A' I8 ' * 3'9

pdting 52D deca s ti w CO inspecti.a is even Aewoh N z = enedia .m peevolting et A. sime of pleoning '<> lasi. Wag g.

88P 8 N 95. #ad 'C" ' 3* NWA * W r. W *

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• lag "*R*ad '* W" P'"** .go'ut the dam s

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i4 Se. fog fittiage are bf.d by tfade.wrueW Lebt,rmeenet, Typ, R$

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lac,, b wie in Clem I hee'd us 1.cstio3s' .as' Cbce seen.

p.vnd Qy. This s v,,ws!, who pv.pe4 mia.d ow .

• povved, k.,dem Ass e dvme, esewig mess whwh h he.lvklo .

[2$s bg fittiega y e fe, vs, wi+

.nadeus eraacas et .ar eas'* -

• e" ice!.

b an w ee ,se net e"inened , pereoleven p,Wvets, erJ k .ov e.frened by heet it wir eierto d. wts .mpfe esfetyj erv A4'ist.af.f r . la befw es.

pre.sves of the empf.d.ag i, upped g.ses .e

• sp><.

sires % = Ai wk saclashe he,e . .d i,

. Areaded cover spea.ag .I mpt, eine Convoc=.es s '.4 ta eks sea.p.d ,s.y be spo/6v d g,, ping g g,y , , , g ,,,,

4ermepW1A .* rwb'oe* leavl/sd Pype- dvH hAs The w,cs hn,fiuppings Only earerierW,- s) elvt w erimea elevid 4" wscvei.d Catevg% wWi ek compe,vad is yoveed the fitt.a6 eessa0

..t6.e iir";the dem ml % .ad meedg th sa. pvad . sa be bevsk' law esh r en fee pouvig by e vea.ag ek, c .e., ,

,e bnpt.peb. mcde sente ete we Abs Mishe; vet **f en.se be agordfeu el t'o eag'e of she muits. peu, 3W ig w~

& decad ll Jr.LythIy b.I.f t SURing a.e 1*st#Wft, (mund ord Is9Isce f W f, %

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b ?e .: , , - - ,, , . , , s ,, _ ,4, , _

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.- o , 3 besteli EYD end pwlt sendwe$ers crewgh.

ga,,, '

E; mere pipe plwg end dem de lever hwh n,eert ,w66er d,eiml ore 4 e *,~

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,eshe readai sigh ene,,gh . gh ,,,e./:,';; .

nee, e y wl

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o, . .w w,, ,,e 4 ,ee,dee ol.ng ,,e.u.e se,mpowd in sempleted seef. ust,e e.,,e ,he, ge some ore syt se eewse trwbfe enef aAetsen e s ,,et en e ,he ,en,v,,*

$be lie si InswInfien en eeductors b. Powe nolig umpownd and repleu, pipe pivg eedinary lacettens escvnilekn of

• envelly ten be preiented by drein spem Ape,, ECD Theed abowtdrein two hoves fitti#ig temove leise ske opeg drein holeceae,y, l

,,. ,ee,,egy , -

, lag, leewyd et low pWata. -

Newever, in lue:Movt feestions Ikis precedvet een be

• Infierwed ga)y if Ae drein openings are flem*tcht. sker in,

• mylesiegroof. N Neier ef flooricef Code reqwires thet ,8 ,*

eedvTetifims in Ooss I Amerdows lecetiens be provided IM l seus -

with moons by wklah she eystema een be dreined of erseer. Iesst 'g ,;

W Aeve is Iftetthead of wete accumulet6en. toss '

4 1.1/r e. c s.

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essi,ype sw 12D dee4 eeels (%" to Y*l end type EZD inapoc96en { '*--* C"C 0 C3***0V*# k se r1.,.

ees.ea ..ai,,. r,, ,,i, orty time thoroofter.

des:g m ew so *=...m

,ec,,.n th.g i,stei

e. orset,een be et on er .

mt 1

g a These fittings are fe, vse e>*lv in verticof sensivit evne. [ [ woy After the listines have been leistei*wd la the sendwit rwn and '  ! il

'9' mondwevers one in pfsco, the tevo and baffle ete removed.

After the dem has been made la lever hwb opening with *

Chics I" liber the be'fle m ost be snepped into piece M 6e temove large sevet and pipe plvg end dem she le.e, groeve In'the opening before the Chico" seeling compownd bwb evening, een be poveed into the sentieg chember. Repfsce lorge sever, threading es fe+ es possible into Type EID Drein Seet Fittings provide continwows dretning bedr. with er'e= poiatbg di'*ctly down-and thereby prevent wotoe occumvletion, The towers shewld be pesit;ened se that the deeln w111 be insert twbber drain.hefessee throwgh hele in large ce,e, high enewth se innes end will be ebeve sesfing compowne et the bottom. A set merew is provided for locking Ae esser la tempfsted seet. Mole swee that tvbbe, drein.helewe goes ti this position. set tevch any of the sandwevers.

Type E2D laspection Seet Fittings are identieel with these Powe seel ag compownd and reeface pipe pivg e A ,e described peevidirq oflinscechen, ensintenence end in. After two howes temove drain.hefece,e

. stion ed,entogst saiect the! the tower is not provided Thread (CD dreiri fining into ce<ef drain seeming end with on owtomatic drain. Water octwmuletiens con be drained tighten secwrely.

• parledico!!y by esmoving the cover. The cover must be to. * #

pfoted etnmodestet,. , . CAUTION a ,

• O Ipe EYD I Tpe EID end IYD I*tt.ngs are switob!: fee seat.

ITD Drain Leef Fittings. ior use M vetticot c.culwit evna, Ing v erfstel tendwit runs bet.een he e' dows and N

• ea.hmo< dows erets bwt vnwet be se laceied @

prevene octumelai.on of water sho,e seals in ce,nduit sys. Se hass' dows gases or vepers will not . nt {f}

9:ms. Ce9 ten w ows desming gse.da age.nse laswfetion feiture '" A' ***h"8'd*W8 8'ee Conduits los.. j,0 cad 6,the+ defects cows.d by me presence of werer la the com 8*G *' h"*'d*w' 8'*8 I'** *e f*p thewld Q dail systs,m. have the fitting lace #ed in the non hsee, dows m e' ee Cendwits les ing the home dews s,,e '**

from the bottom shovid he,e the letting laceved,

• In the he erdows ereo.

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. Ir237.tEV.10/73 Caou$t.HIN05 CounNY

Separredes CAlt erof CA1&3 Sy,ecuse N3. 13

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