ML20079L473
| ML20079L473 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 06/01/1983 |
| From: | INSULCO, INC. |
| To: | |
| Shared Package | |
| ML20079L452 | List: |
| References | |
| CTP-1026, NUDOCS 8302230341 | |
| Download: ML20079L473 (85) | |
Text
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't SUMY 0: TEST ES"LTS
. G3LE FU';CTIO:3L IfGEGRITY l'AlfGAmED.
. CO:OUCTOR CO'GINUITY FAI!UAINED AT ALL TIMES.
- DURIN3 FIRE RG HOSE STREA'i TEST.
. IEST IlO. 3 Can' C DDO: -
WIRE METAL STRO-OFF ATTACHED TO G3LES.
S34E CAELES SHORTED D'JE TO DIRECT HEAT TPANS?Eh THROUGH METAL ST?A .
.s THIS tETH33 NO LONGER USED.
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HOSE STRE@i' TEST .
CCIToo!A:
, Ah ItJF0 BULLETItJ.5(79) MET.-ca fl CmecTIvE:
- FAltiTAIN CIRCUIT IfREGRITY
- D0 f;0T CLO3 AREA DRAlt'(S)
(DISLO>31N3 0F SECTIGJS CO'JO CLO3 L?All:S ATO BE A FG2ARD TO PE:.SO'!!!EL.)
E:cutTS:
, . ALL CASES CIRCUIT IliTEGRITY l%IriTAlt;ED.
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. Au CASES D?AIN REMAINED OPE?ATIO:;AL.
. h3IlC SYSTEM ret %INED ATTACHED.
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INStILCO INSULCO INCORPORATED .
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L
, t FIRE QUALIFICATION TEST
'HEMYC' CABLE WRAP SYSTEM - -
AS INSTALLED BY INSULCO INC.
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AND AFFILIATED COMPANIES .
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CTP-1026
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g FINAL REPORT .-
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, JUNE 1, 1982 -
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- -C O N T R O L L E D I S S U 'E D O C U M E N T
! -- CONTROL to: 0015 1ssuE out nuoust 3. t982 .
t
. w n To: M . Georoe Buxton/ Middle South Services l This docment contains infcfmation PROPRIETARY to B&B .
. INSULATION, IPC. and shall be surrendered dpon request ,,
Contents are not to be used for other than the express purpose for which loaned without written perr.ission from i B&B INSULATION, Itc.
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Post Office Box 2531 - Houston. Texas 77001 713-688-8971
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s C. INSLILCO INSULCO INCORPORATED -
- i. July 01,1982 1
QUALITY ASSURANCE STATEMENT 2 l
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The B&B INSULATION QUALITY ASSURA DEP ENT (also ,
known as INSULCO QUALITY ASSUR6 ) has !
approved the applicable procedures, t . ion of the test specimens, monitored the insta 1 >
systems, and was present during the per re .,
The materials as tested are e anufa rers Certificates i of Conformance as sho i Installation and Q gained from the rbr eloped utilizing information tests. The procedures will be in the name of INS le use of this system by other ,
companies ifthe other than B&B Insulation, Inc. ,
l INSULCO INCORPOR ED L. Charles Sprigg l 1 Quality Assurance Manager .
7 .
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O Post Office Box 2531
- Houston, Texas 77001 . 713-688-8971 in.se_
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., Page 1 of 3 (v. INSEIMT1ON, fNC. . I CTP-1026 !
May 21, 1982 i
,- Rev 1 - May 25,1982 i
~
F DNE HOUR O!!ALIFICATION TEST I A
PROTECTIVE ENVELOPES F0il CLASS 1E ELECTRICAL CIRCUITS l (HEMYC CABLE TRAY AND CONDUIT WRAP SYSTEM)
-f
- 2. s ~...
1.0 PURPOSE
- This Procedure provides the methods' and utilized for test .
specimen preparation and installation.,
subjected to a One (1) Hour Fire Expo y specimen shall be g lished ASTM E-119 criteria, including hose stream tes w .h the American Nuclear Insurers Information Bulletin No. i ed I/PAERP STANDARD FIRE C DPE FOR CLASS 1E ELECTRICAL EtDURANCE TEST WTHOD TO QUALIFY CIRCUITS". ..
This Test shall be performe organization and shall be witnessed by an accepted n reau Veritas and/or American Nuclear Insurers. i 2.0 TEST OBJECTIVES i 26 shall provide documented evidence that-
~~ "~~ ~ ~
~~The successful complet
. cable tray (s), condui of both power and non-power usage when pro- -
tected in the manner pr herein will maintain circuit integrity when
- exposed to a one (1) hour fi exposure per ASTM E-119-80.
The cottom wast $ test referenced in the ANI/MAERP Test Standard shall be parformed in addition to this test. A separate Procedure will be provided for that test.
, - _ _ _ _ . _..__ .This Pr:cedure shall be submitted to American Nuclear Insurers for comments ~~--- -
and any suggested modifications prior to test performance.
3.0 REFERENCE The following reference documents shall be used in the preparation and the per- ,
formance of this test. !
3.1 ASTM E 119-80 ,
.- 3.2 AN1/MAERP Bulletin No. 5 (79)
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l P.O. BOX 2531. HOUSTON, TEXAS 77001 . (713) 688-8971 ;
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CTP-1026 Peg 2 2 of 3 Msy 21, 1982 Rev 1 - May 25, 1982
, Protective Envelope Test l
t i
h 3.3 10CFR50, Appendix R - Fire Protection Program for Operating Nuclear Power Plants.
l.
4.0 DEFINITIONS i I
None / f 5.0 RESPONSIBILITY i
5.1 The B&B Engineering Department in conjunction with the appropriate ;
t representatives of HEMYC, S.A. shall be responsible to establish -['
the criteria, guidelines, drawings, recommendations, etc. to govern the preparation of the test specimen (s). ,
5.2 The B&B Production Department shall establish appro;iria fabrication and/or installation procedures utilizing the ' at tained Trom the performance of this test. The Product
- 11 also be responsible for the coordination of all eparation with the testing organization.
The B&B Production Department in , S.A. hall be ,
responsible to provide sched , equ' ment, and material !
necessary to perform the ins 'n s .
- i
. 5.3 The B&B Quality Assura4 responsible to monitor the fabrication and preparatM cimen(s), to approve the 0;w applicable procedures wh % to assure these procedures l i
utilize the informat . - test recimen preparation. !
The B&B Ouality Aosu tment shall also be responsible to verify that the testing orge niz is knowledgeable and capable of adequately performing and documenting the various functions in accordance with test requirements, j 6.0 PROCEDURE l 6.1 Refer to C.N. Asco Quality Control DocuInent No. 015 as translated by
- Inlinus Translation Service for Procedure and description of fire test.
I Footnotes and appendices have been incorporated by I,NSULCO and are acknowledged and verified by test author.
6.2 Three separate tests shall*be performed as described below:
h TEST 1 - Consists of two 12" width ladder back cable tray encapsulated by one cable wrap system. these trays are stacked with 8" I
clear spacing between the two. The upper tray is filled !
100% VISUAL with PE/PVC cable, mixed 1/3 - 303n:m, 1/3 - 12/7, I 1/3 - 16/2 as prescribed by ANI.
The lower tray is filled one layer of PE/PVC cable, mixed 1/3 - 303n:m, 1/3 - 12/7 and 1/3 - 16/2 as prescribed by ANI. .
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[8 a EN.S'EJEATION, INC. ;
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CTP-1026 Paos
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3 of 3 Msy 21',' ~1982 Rev'"1 - May 25, 1092 l
. Protective Envelope Test l Cable wrap consisted of blankets constructed of 1}" thick }f ;
.9' Cerabianket/B&W Kaowool blanket covered with Siltettp 84CH and 845R fabric mesh on all surfaces possible exposed to fire. I Interior was covered with fiberglass netting (600/6). Materials !
~~ ~
sewn togethei with "Astrog'tartz" thread. (Refer to B&B Drawing B-272-3). l t A TEST 2 - a.
- a. One cable cap system e & th ladder back l l cable tray filled with cable mixed
" ~ ~ ~ ~ ~ ~ '~
1/3 - 300ncm, 1/3 - as prescribed by ~~
ANI (Refer to B&B 3
- 1. s .
6 Two (2) 10
- 9. .
duits filled with a 100% VISUAL fill of cc er ANI requirements) were encap-tem utilizing standoffs as shown on l sulate h appendix .
report. (Refer to B&B Drawing B-272-5 L '
l A cable dro' rom the conduit pull box to the tray was provided
- with approximately ten cables. This drop was covered with a blanket wrap of 1f" Cerablanket and Siltertp fabric.
Q (
h TEST 3 -
a_._
l One cable wrap system encertpassing a 12" widi;h ' ladder 'back -
cable tray filled with a 100% VISUAL fill of PE/PVC cable.
(MixperANIrequirements). (Refer to B&B Drawing B-272-3).
h
~
One cable wrap system encapsulat'ng i a single " - diameter conduit filled with a 100% VISUAL' fill of PE/PVC cable.
(Mix per ANI requirements). This system consisted of 2" Cerablanket and Siltertp fabric and was held in place by 3/4" wide standard finger strap. (Refer to B&B Drawing B-272-6. -
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l A cable drop from the roof of the furnace to the cable 5ay was l
provided with approximately ten cables. This drop was covered l
- with a blanket wrap o' 1$"Cerabianket and Siltenp fabric held in ,
place by clips to a metal bracket running the full length of the cable drop.
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. I I. p J i To: B & B Insulation ATE: 5/3/82 i
P.O. Box 2531 '
Houston TI 77001 .
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ATTN: Charlie Sprigs OUR PURCHASE NO.: 05901 !
CERTI PLIA E I bHis is TO CERTIFY THAT THE MATERIAL SUPPLIED ON YOUR P.O. Na '-l HAS SEEN MANUF ACTURED tN ACCORDANCE wf7M AND CONJOmms TO APPLICABLE $PECIFICATBONS AND/OR STANDARD $_ y \ [ d}' ;
- QUANTITY MANUFACTURER DE D IP 'M / D ' l DATE OF MFG. l SHELF LIFE SPEC #
- n. M All USA Mfg.
310 ft. Inscon, Inc. 300MM h v Cable 1/15/81 N/A l
1000 ft. Inscon, Inc. 12/7 ILP e Cable 1/15/81 N/A All USA Mfg.
2630 ft. ,,Inscon ,. 2nc.. ' 16/2 D est Cable 1/15/81 N/A , , ,
All USA Mfg. ,
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EXCEPTIONS: ,
- None .. .e .- , .,,,,, .'N /
Ferris M. htn, Jr. l w sono.,ia, is m.o. in i os .n --r.m .. o e foih b.H be io r.p6me sue ou.mitiu of m.wr'.'
AH m.i.n.hs .r. pu-.m.ed
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, e.n not be i we sor .nv inwev io=
a nor. ina, u-r i+.u o.i-m.a. in. so,inwi sv of m. ,,couci ser h. imeno.o ==. . e unt a.m eey .e. ow= not b.en S.r up.d w und improp ci w con.ou.mi.t .r.in, out of uwe . e= of. = 6.butiv to == *e ornoe
.u r.= .no i wnsv .*.uo e in coaa.cuan *- dia.
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D $$$0$$ - - .-_ u JUN 1 -; 1932 :
s, B & B INSULATION. INC. l
/ HAVEG DIV!SION '900 GREENBANK ROAD,WILMINGTON, DE 1980s T elephone No. 302-995-0463 dD
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B & B Insulation Inc4 --
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P. O. BoxTX2531-Houston, 7 -b 4
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= Attention: Mr.. C . ,
Gentlemen: ,
t We certify t Siltemp 84CH, Roll No. 4C-14533-3 conforms to the typical properties listed in Product Bulletin HS-102-1 and Siltemp 84SR, Roll No. IC-14599-4 conforms to the typical properties listedin Product Bulletin for SR ,
- fabric dated January,1982.
O Very truly yours, j AMETEK, Inc.
Haveg Division k m E.& &
Leon deBrabander P M' Quall't'y Control Manager LdeB /gf m.
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MAR 22 SS2 M ETEK g & B INSULATION, INC.
C'.g. HAVEG DIVISION .900 GREENBANK ROAD, WILMINGTON, DE 19808 Telephone No. 302-995-0463 !
m.
i March 18,1982,'
B & B Insulation, Inc.
P. O. Box 2531 -
Houston, TX 77001 ,
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Attention: Mr. L. Charl saurance Manager -
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Gentlemen:
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We cirtify tha passes the NEL-PIA /MAERP --
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Standard Method of Cable and Pipe Penetration Fire !
Stops. Method B 12 & 13 of the specification was employed. There me propagation on any of the Siltemp 84CH samples subjected to bove test. .
g' Very truly yours, i I AhETEK, Inc.
_ . - . . . _ _ . _ _. Haveg Division f
f Leon c.o~ 20 76u.hAn deBrabander l
Technical Manager LdeB /gf -
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@ , l,In Ingua Translation Service 150 O'tces r. 20 Countres
- A Name You Can1 rust worrow,oe
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C.N. ASCO - QUALITY CONTROL - 015
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l TEST ON 'A m
- ON AGAINST FIRE l r
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FOR TRA FOR ELECTRIC CABLES W PROPOSED BY HEMYC I
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C.N. Asco 1-1982 i i
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3 3110 Southwest Freeway . Suite 200 . Houston, Texas 77098 . Telephone (713) 528-1515 .
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- 1. INTRODUCTION The purpose of the tests described in this report is to
( verify the effectiveness of the system proposed y Hemyc ,
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& Insulco, as a passive barrier against + ac f ;
fire in electric cable trays and cond [ E-r The layout of the trays and condu s , ution of I I- the cable in each one of these the .omposition ! and configuration of the pr e o ', the develop- _; ment of the test and the - are contained in -l thecorrespondingsectigs rts - .' J.
- The test was performed k s in accordance with the
~
I specifications of pro . 004, Rev. 0 (Appendix 1). The tests were performed on May 26, 27 and 28, 1982, at the Laboratory facilities of the Quality Control Group of ; the Asco Nuclear Plant. G The tests were performed by the personnel of said Laboratory, under the direction of the Group Manager, with the supervision of the Quality Control Department Manager of C.U. Asco, ! while Bureau Veritas acted as Independent Control Company (Inspection Third Party).
~
- 2. LAYOUT OF THE CABLES .;
The cables were placed in trays 300 mm in width and/or in tublar conduits, 100 mm in diameter, such as those normally used at the dobsite. The configuration, layout , within the oven, degree of fullness and other details are
]
indicated in the scetion corresponding to each one of the , three specific tests. 2 kh 1 l I I - 1 i 1_. _ . . ._ .
; ^ ~ ~' '.~' . - : . . . :~ . ,a .a . , .
. .. . . , . , ,~. _ .,. ,. , __ g .n_ _;, ,.-.- .~-m
.. :g ;.
- - -- y
- 3. TESTING EQUIPMENT l
The test took place in a furnace built at the C.N. Asco site in accordance with the layout and measurements indicated in ; Appendix N' 2. The walls of the.fu::nace are made of refractory l brick; the roof is practicable and theci is. collapsible; i both the roof and the entry and e ' o sthe elements i tested are provided with openin e ~' ted in each ( ' case to the requirements of th of adaptable .j refractory elements. , i
.. . i l
The door and the roof a e i
- light metal support l lined on the inside wi . er and SILTEMP mesh. 6 A LOGE T.80 MHC typ used as heat source; the i
fuel us.ed was atomi burning in atmospheric air. - The burner was cap 11owing during the entire test
, the temperature cu uired by ASTM E 119/76 (Appendix l h No. 3).
l l 4. CONTROL AND MEASUREMENT EQUIPMENT i 1 i The cables used as " Control" were energized with low voltage and connected to a light' detection system which indicated _ immediately the existence of short circuiting.
~. 1 The electrical diagram of this syst.em and its configura-tion appear in Appendices 4 and 5. r
- s !
; In order to detect the temperature, both in the furnace environ- I.
t inent and at various points of the mass of cables within the j trays or conduits, "Pt, 7t-Rd" thermocouples were used, connected by means of multi-channel recorder compensated , I cable. O 3 , i .
. . . . - - . . . - - . - . . - . _ . . ~ .. --
; o. c . . : c.v .w , .= .. -- '
m-t+.% % - a- ~~ - ^ _ ._ - ~:P The recorders were properly calibrated before the test Q and their period of utilization was in effect. l i The layout of the thermocouples appears in the section ! corresponding to each of the tests.
~
- 5. TESTED PROTECTION MATERIAL 1.
?
The tested protection consisted . .actured by : l the HEMYC Company, using bl fiber on the ) outside surface (flame sid sh and KLEVERS ' '- l) 600/6 fiberglass on the i r,fa ; the mesh was ; connected by sewing i e 2:ompatible and non-combustible thread. in each case to t 1%og e y e bedding was adapted { tray or conduit protected; both the details of t assembly and of the bedding itself can be el in the sketches which appear in the section corr to each test.
@ n The furnace entry and exit points were properly sealed with .
ceramic fiber. The assembly was done by specialized personnel of HEMYC and Insulco on the basis of the company's design and detail g
- engineering.
J , i l j 6. PERFORMANCE AND RESULTS OF EACH TEST r 7 6.1 TEST NO 1
- I ,.
1 l 6.1.1. DESCRIPTION OF THE TEST
?
A,~.;erdix 6-4 irce:perated - The general layout of the test was in accor-Y"** ) dance with the plans which appear as Appendices 6.1, 6.2 and 6.3).
, 4 i
a--. . _ _ _ _ _ __ _ _ _ _ - - _ _ _ . _ _ - _ _ _ _ . _ _ _ _ _ _ , W%
~
u% - r;5..y. . ' - T:.~ % u. w7;cr.; k.e.... . . .w;is- .;,- :=- .>. - - =
- I
~
l i The cables t'ested were MCM 300 guage, 12/7 '
- ~
and 16/2, with polyethylene insulation and j PVC cover. , ; i Me:ric conversion... - In this test the cables were placed in two superposed trays which form one set, both
- 7*3 g projecting 9 :en on the two ends of the ;
furnace. . L
~
The degree of filling s llowing: ;
." i
, - . j Upper tray 8 M. 4.
a 1 - ble 2 .
- s 16 i Lower trav 00 M.C.M.
12/7 les 16/2 , Appendix 6-5 incorporated - Duri re test eleven 16/2 gauge cables l t Cl*'ifY I 0'ti"" "I we ergized in the upper tray and five i i energized cables j of gauge in the lower tray. i Appendix 6-4 ireerperated - The protection. bedding used consisted of 5 t clarify mutnetion 1.5". ceramic fiber blanket; the outside cover cetails [
~ ~ (flame side) wa's SILTEMP 84 CH mesh and the j
- inside cover (cable side) was KLEVERS 600/6 fiberglass. Th$ materials were sewn together with "Astroquartz" thread.
I
- Firestops composed of ceramic fiber and SILTEMP
'.- 84 CH were placed at the outlets of both trays.
I t j Lo:ation of furna:e ancient - The temperature co.. trol within the furnace l l I'* (ambient temperature) was obtained by means r are shown in revised of two thermocouples; the values obtained j Appendix 2 appear in Appendix 7. G . 5 .
?
s e. em. 4
.mm .e pe
I - r. ::.w . .q.; .s. c.. ..
, . , s.n. , , .
,,,_....,,,g,. ...,
I
- The temperature inside the trays was controlled f h ,
by means of six thermocouples. Both their l position and the values attained appear in j Appendices 8.1 and 8.2.
# j
- . 6.1.2. RESULTS .
e
\ i Sixty minutes after th st, the '.
Hetri: conversion... test was continued f o 0 n'tes after ! l removing the fires e tr in order to . .. observe the inte 0 inutes,'the
~
front part of. lowered and the.. ; entire syst ely subjected to the l
. s action of h t. er ejected by a 2 %"
hose provide 8" nozzle, from a distance 120 ft3 of 6m., a 2 pressure for 2 minutes and 30 second' peration was conducted while maintaining the power in the 16 above-mentioned h cables) . The 16 energized cables were then megger tested finding insulation values in all.
- After the test was completed, it was observed - that:
m 1
~~ -~~
- The cables had maintained at all times both . -. <-
continuity and insulation.
~_
- The maximum temperatures reached inside the.
- ~ ~ - -
trays did not cause any damage to the cables and the covers did not show any permanent deformation. t G 6 O
;- -~. . r = . . . . . a- remen ., ., .
, 3 ,. . . .,
..,..,e. ,,m. _
. .. .- -. . . . . . .w . , .
- After test completion, the protection material
- was damaged in some of the areas of direct impact from the water stream, having lost 10 to i 151, of the fiber *4114ng c: the . side bedfinglcf 'the system.
4, g' l In the other upper, lower, s eas facing i 1 - the stream, the bedding g 1
~
- The furnace drainage ,
structed at ~l any time. , ,
= 6.2. TEST N' 2 ,
6.2.1. DESCRIPTI . V 'N' Appendices 9-3, 9.4 - The general the test was in accordance and 9-5 irecrporated to cla:Afy specific withth'eph in Appendices 9.1 and 9.2.
'constnction cetails.
@' caules - McM 300,12n, - The cables tested were the saane as those used and 16/2 w/ po1 W ene in the preceding test. !
insulation and Pv:: cover. clarification -
.- In this test, the cables were placed in one tray .{
*#l't1 ' '** u d two conduits. These two conduits were on ^ ;
the same horizontal plane, at distances of Sb tapart) (14") Inbove) and 350 mm glc the tray. Some of the cables of one of the conduits extended
-- from it through a pull box and entered the tray.
~
Metric conversion... Both the tray and the conduits projected from the , furnace walls approximately 95$, ram on both ends. ;
- The degree of filling was as follows:
@ 7 3
wamoe -e- .,e w
~p 5" T. . .c.2=.?i.. , .m -.- -i:M .v v-;- - S y . .. :...., .. .... .... .._ . ; .i .x
- a i
t Tray 2 cables 30 M.C.M. i 4 cables 12/7 9 cables 16/2
- Each conduit 1 cable 300 M.'C.M.
2 cables 12/7 g 3 cables 16/2 l
~
t i Appendix s-6 i n .v 2eted te - During the entire te -
/2 gauge ;
I cla:Ary location of energired cables were kept . tray and cables. . two cables of the i. each conduit..
.. 1 A;oendices 9 3, 5-4 and -
The protee s consisted of s.5 incorporated to cla:Afy b '.5" thick; the outside ceramic constnetion details cover #1 SILTEMP 84 CH mesh and the side) was KL9/ERS t 600/6 i fiber e Th were sewn together by using Astroqu : thread. i mtri: conversion... - In this test the two conduits were protected
. by one system and the tray by the other. The conduits and the protection bedding were approximatelydhmmapart.
l - - The cables extend,ed from the conduit through the pull-box entered the tray and were also l protected with bedding of the same' type, in _ adequate amount for this connection. f 1 - Ceramic fibre firestops were placed at the j outlets of the tray and conduits.
- 2
- Boot type protection penetration seals con-
, sisting of the same protection bedding were G B 3
- === .=-o, _-
wow ee--= = ~ e w ee-eg e
l
- ;-, .. .v; ?, ; .... .:.; . .:
. . . , ~, . -n . ; - --=-<~rz - c e, . . ,. . .y , .., , . .
7.
. g . _. . _ . , .
- i e
placed on the furnace wall, vertically and j horizontally at the tray and conduit inlet and l outlet positions in order to provide tightness l 4 againsi the furnace wall. See Appendix 9.2. ; t.o::ation of furna::e ancient - The ambient temperature control inside the j 5 #1'5 furnace was obtained by means of *hermocouples. [ 7 The values obtained are sh ndix 10. t are stown in revise:! Appendix 2 - I .:
- The temperatures insid . a ' .tnside the l conduits were,contro e w + ..ocouples. .
l Their positions an era .e values l
= obtained are'sh g s 11.1 and 11.2 .!
6.2.2. RESULTS k w tric conversion... Sixty minutes r start of the test, the j front part o" ace was lowered, subjecting g' immediately from a 2 " hose re system to a stream of. water rovided with a 1 1/8" nozzle, from a distance of [ $ and under 2. h/cm2 t pressure for 2 minutes and 50 seconds (this *
~' operation was conducted while the 11 above-mentioned cables were energized) .
- The 11 energized cab-les were then megger tested and the following insulation values were obtained:
i Cable N* 1 ** M A Cable N* 6 150 Mn 2MA- 7 900 Mn 3 700 MA " 8 150 Mn 4 1000 M n " 9 130 Mn 5==MA 10 50 Ma . 11 70 Ma i G , ;
~
-. -..-:~--. - _ . _ _ _ _. _ _
1
,- ~' T :vr:rws.q ..z77?ra . , .:1 . .. ,
..w:,.p . ..
. ; . i. i.:. .. ~ n. +w :- ..
. ;. gg :- ; -... . -g 7.9 ;, .
k
~ '
After completion of the test it was observed that: , The cables had maintained at all times the , continuity and insulation, with the above-I> mentioned valves. ,. , The maximum temperatures reached inside the tray and the conduits did not cause any .
~
functional damage to the cab but some permanent deformation o s of the .... outside covers. i i At the e'd n of th *
- p. ection material i
. was found to to on part of the ;
- f area of dire the water, without i any loss o from the side ,
bedding. g upper, lower and side j
. areas s' ter stream the bedding h was intac j The fu inage pipe was not obstructed at any time. .
6.3 TEST No 3 6.
3.1 DESCRIPTION
OF THE 3EST . I Appendices 12-3, 12-4 and - The general layout of the test was in _ d ##Y accordance with the plans contained in
. l Appendices 12.1 and 12.2 l 1
The cables tested were 300 MCM, 12/7 and i-I 16/2 gauge with polyethylene insulati'on and i 10 e S
.. . . . . . _ - - _ . r..-. .
.- .a.
~'~~~? .. q z v.; .z:s g::a .. qEL-;.:W;;:. .. ,. . , .7
_ ._. ..p~x.p;n;.s.... .. y .._wg,
- o f
and PVC cover, used for tests 1 and 2. - O - In this test the cables were placed in a tray . and a conduit. This was located on a horizontal , plane above the tray. f-1 A series of cables of the tray (one 300 MCM gauge : I i two 12/7 gauge and two 16/2 gauge) were ; vertically separated from it forming an j I
. ce with Appendix .
- 12. ,
( t
= - independentbundle The degr e'o'f fi 5' a llowing:'
Tray 300 MCM r 0 12/7 h 16/2 Conduith es 300 MCM ; h les 12/7 cables 16/2 Appendix 12-6 ircorporated - Twel cables in the tray, two 16/2 cables I f* "# in the conduit and two 16/2 cables in the bundle ( from the tray were kept energized for the dura-tion of the test. The protection be8 ding used consisted of 1.5" thick ceramic fiber filling; the outside
- cover (flame side) was SILTEMP 84 CH/84 SR mesh and the inside (cable side) was KLEVERS 600/6 fiberglass. The materials were' sewn together with Astroquartz thread.
- In this test, the tray, the bundle from the ,
tray and the conduit were protected indepen- , G 11 ! 1 - . l . l i 3
- l
4
- 5. :1Dr .. ::-T:. . ,.;..%.v: -5 'i .. .. g. .e. , uy.; 3 .-R, w. ;gg..
.. . g. .u. y.. - :vg g.. .q: . q; ...-;.pg c
-- A !
'.l
- . 1 dently. The bedding around the conduit was l in contact with it, without air space, and j a blanket of 2" thick cerar.ie fiber was .l provided. l 1
In the upper part of.the protection of the E horizontal tray a ventil ion door with i locking device was inst and tested before operating ' - e, is door ,[, was kept in loc g r the entire N durationof,theps\ .
= A metal s s.p aced in the branch ~
bundle in e Q en the protectdon bedding h ~ Cer k estops were placed at the , tray a t outlets. Boo , netration seals, c'onsisting of , the bedding which had been strapped at the
, entries on the furnace wall, were placed on j' the furnace wall at the conduit and tray horizontal inlets.
- The ambient temperature control within the
--~' - furnace was obtai~ned by means of thermo- )
couples. The values obtained are shown in
- Appendix 13.
- The temperatures inside the tray and conduit ' i were controlled with 10 thermocouples. j Their position and the valves obtained are t
- shown in Appendices 14.1 adn 14.2. Thirty- ,
one minutes after the test had been started, 4 i G 12
- g. . . i C%:.a .:."~L a . :.. : . . . . - .- 2-.~.>.,..,p w g k:y-x.ya.c % %c 9 ,. g .a..y...._ . gf.~9p Ls... ".*
L...._..._ , the thermocouple placed in the conduit was ! disconnected and replaced with one of those ; placed in the tray. l f 6.3.2. RESULTS Metri: conversica.... Sixty minutes aft r . 'J2e test, the
- 1. front part of n lowered, sub-jecting immed
- en' re system to the ,
action of a frca a . 2 ' hose orovided w' I30 PSI) . kzle,4tapressureof i
- 2.1 kg/cm2 r a period of'2 minutes ,
- and thi -- is operation was conducted while mentioned cables were permanen the first 20 ized). By mistake, SI)
[114 P second r pressure was 8 kg/cm2. , The 16 energized cables were th'en megger tested and the following insulation values were obuained: G . Cable N' 1 --=MA Cable N' 9 - - Mn. j. 2 -- Mn 10 - - Mn 3 -Mn 11 - - Mn 4 -- Mn. 12 - Mn 5 -- Mn 13 - 0 MO.
" 14 - 0 Mn 6 ---Mn 't ,"
7 -- Ma 15 - 600.Mn 8 -~ MO- 16 - 2000 Mn
- (Cables l3 and 14 were from the bundle branching from the tray; cables 15 and 16 were placed in the conduit) .
After completion of the test, the following was observed-13
.. ~ . . ~
l .
~ . ~.:_, ._ q::, . , ,, --. ..._
.- y,: _.. :x - ; ;, ;.. ., ., . ,
; ~=Ei~D.'+' .: .. .s .=== y. ..x_ :.w; ; . . + _
,,.,,.- =
L-.._._.._
- The cables had maintained at all times ,
continuity and insulation, except for those i s- . of the bundle from the tray, which were
, affected during the test.
- The maximum temperatures reached inside the tray and conduit did not cau./
- se functional i damage to the cables and deforma-tion of the covers occ N -!
D O s .' '
- At the end of the te prot etion -
l
. material was sligh . n me of the f D.e water stream,
= areas of direct f.
f~ t without loss of
~
.1 from the side
[ bedding. In th the bedding was left intact.
- No obstructio at any time in the g discharge pi furnace.
- 7. CONCLUSIONS ,
i On the basis of the results obtained in the above-mentioned tests, we must point out that:
- The cables were not damaged fnnetionally and maintained at all times sufficient insulation and continuity.
- In the third test, some of the cables of the bundle from
. the tray lost continuity and insulation, possibly due
~
to transmission of heat through the metal structure of said bundle.
- Due to the temperatures reached by the cables in tests h 14
. il e
t
~
(. ._g ;.. g:gy p . ; :.
.r. :.. cy.. ;_ +,. .
<z T : ,. . -. . . - - ,y.n e ;v . - .-'- .. . - .:.; w..
- y. ,. . . . y g _. - l 6
.2- ?
t 6h'F'. l L I
?.d.
- d. 2 and 3, in some points the covers reached the x w.
g plastic zone suffering pemanent def omation which * \
. y.h. .- ,
.ii t, did not in any case affect their functionality. .
I h* 32 C.N. Asco 1-1982
.tiv -
y- ,- g9
/ signature / j
- 1. .3 J. SERRANO V l
w \ ' l
.M. QUALITY CONTROL AND WELDING ,
A . t
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5 %~ '-twxq: ,;.4.5%;.-> . < p . .,-;. : .i. .: . u.ge=.- g.g g_. . .y . _ f.'.~.. .
. _ g., .. .;_ :.,; .3 ;;,,:q :
W l s m .. . . . _ - BUREAU VERITAS Il B.V.A.T. - 320.024/B/LXI l
~
SUMMARY
OF THE GENERAL CONDITIONS OF BUREAU VERITAS - l' The corporate objective of Bureau Veritas is the classification j of ships and aircraft of all types, the etion of raw ., l
~
materials, supplies and equipment, c' tr praisals i pertaining to construction and civi property. Any involvement. of Bureau Verita 1 y case engage - its responsibility,. although its $ n ma s ne the subject of co=ments on the part of the in par es. Bureau Veritas declines any responsibility f ",3t r judgment, mistakes ~
# I-or negligence which may be e tl%l/ ts technical or administrativepersonnelorg kanydisagreementof a technical nature should g the claimant and the representative of Bureau r' _ Central Administration may, at the request of the b _ d party, appoint another one of its Experts. All li s shall be the exclusive h competence of the Courts h e; the same criterion is applicable in the case of appea for guarantee or forced
~ .
intervention and in case of. plurality of defendants. . _ _ _ The undersigned, Enrique Quejido Martin, Coordinator of Bureau Veritas'at the Nuclea. Plant of Asco, acting in accordance with the General Conditions printed on margin /above/, regulating all the Company's operations, . CERTIFIES THAT: At the request of C.N. Asco. HEMYC, S.A. and INSULCO B..y B., on May 26, 27 and 28, 1982, at the Asco Nuclear Plant, Control and Verifica-tion were carried out of some passive tests i against the action of fire in electric cable conduits and trays, in accordance with procedure CC-004, Rev. O. e G ; 16 ; u -. . . . - - . . - . - - -
r" w.~.Egv.i.ew,:Ex.Wst:ges. :, c s ser,Q . m . -# . r_Rn-t tM&--f:,npi
- ~
I " ' ~- S [
- The protection tested consisted of bedding .
manufactured by HEMYC, S.A., using SILTEMP 84 CH mesh, KLEVERS 600/ 6 FIBERGLASS and ! ceramic fiber blanket. Il g - The measurements and data ac isition were conducted by Mr. Juan Jose Fqrnandes, Inspector of Bureau Ve ,, N ~
- The results obtaine g ctory in ,
accordance with'th ance criteria of ,
;_ .said procedure, assing the . . - aforementioned Test N' 3 the [
cables of the *- undle which were ! I
~
in contact w _ structure were damaged. In witness whereof, this Ce is issued in Asco on the O second day of the month of the year nineteen hundred eighty-two.
/ signature and seal /
ENRIQUE QUEJIDO MARTIN B. Veritas Coordinator - C.N. Asco f
'Y i.
em O 1 ! G 17 , i t e [
"p .1_ .;M , W ; .
- rey;w p ,0 4 g g ggg 3.g p a g .e. ..q,:<.,
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~. . . . .
C.N. ASCO Manual Of Procedures Chapter: Page: D. PROJECT MANAGEMENT CC-004 1 of 4 l
^
l
Title:
TESTING PROCEDURE FOR WRAPPING 0 (FIRE BARRIERS) FOR CLASS lE ELECTR ~te: ,
)
E , , 82 ,
)
Prepared by: Approv N
- l J. SERRANO A. MW A l
- 1. OBJECTIVE - To determine the ire carriers used . , .
for the protec s%1E Circuits, from i the point of- w guration and of . materials us , o le qualification as barriers with -
- u. .ectiveness. i!
- 2. TEST PREPARATION The cables shall be placed in standard size conduits or
@ trays of the type commonly used in construction work.
The cables shall be fastened on the tray as they would be '. i
~
when actually used. [
~ !,
. . I The cables shall be representative of the various types !
t
- I used (power, control, etc. ) . .
Parts of. the cables shall be energized for the entire dura- l tion of the test. . ! i
. [
The degree of filling of conduits and trays shall be g determined before each test. > i $ The protection shall envelop completely the element to be , i tested and to this effect the same devices used at the h plant shall be used.
- 18 J
l 1
" '- . . .: . a .: , . .H : -aa e ...i.::+ -=.;:vjpu42; h.,y : . .,.sygy:_..,.. .c.;-
. .,_,, .e . ; _
w ,c i
=.......'_. .
If firestops are used, these shall be of the adequate *,ype for each tray and protection; failure of a firestop shall
.w not necessarily involve rejection of the test, although the test may be repeated. .y In order to control the evolution of .
b' e necessary . E thermocouples shall be installed s o- e all the information required; these thermo p h sh 1 be connected to a recording system. ,
- 3. TESTING FURNACE N N ,
=- The furnace used shall be r r.ry type with the .
following approximate d g ," x 2200 x 1700 mm. N One of the side walls of t e shall be collapsible sothatthesecondpartoh st can be performed (water stream). ; The test trays and conduits shall be arranged as shown in Fig. 1; to this effect the corresponding openings shall be provided on the. front and upper parts of the furnace. The burners used must be capable of providing the necessary . heat to meet the specifications of ASTM E. 119-76. i
- 4. PERFORMANCE OF THE TEST l
-- 4.1. Exposure to fire: The protective wrapping shall be
~
tested for 1 hour under the conditions of the standard
~~
time-temperature curve indicated by ASTM-E.119-76. . 4.2. Water stream impact: Immediately after exposure to fire as stated in the preceding paragraph, the external , part of the wrapping shall be submitted for 2 minutes h to the action of a stream of water projected from a
'. 19
.P
~[ . - :- - - - .y .a . . c. ...:.>.... .-::. = w .. -t .%%.W.i. 2.T.w;y_.;f gggy,q. g gg..gg.g w- W- l,
--- -(20. ft) j m :i: conversion.. distance of 6 m with a standard 2 " hose provided with !
[30 PSI) 1 1/8" no: le at 2.1 kg/cm2 pressure. ; h,M - i i This, operation shall be performed without de-energizing the circuits. / f h
; 5. EVALUATION OF RESULTS b . . . . _ _ _ _ _ . _.. .
h
. . . When_any of .th_e following circumstanc N o
- any of the_,_
two phases of the test, the materi tem shall be , i considered to have failed th,e tes *
's,
- .. g l-
& -Shuntingbetweenconductorsok able. .
- Shunting between conductors Q cables.
- Shunting between conductor n conduits.
~
- Destruction of conductors or ' A tion of current flow. .
- 6. REFERENCE g' ASTM Standard E.119-76 l
l ANI (American Nuclear Insurers) Information Bulletin N' 5 (79) . e .
%es D
G
~'
o e g f. i APPENDIX I . : 2 20 t t D e*
. _ . , . - - -- 'a._
+
1- q, e, eri *
.>j i
h - l . k i ! I-t t i i
! li i
'6 FIRESTOPS I i
fI .
- 1 Y i ; a s FIRESTOP8 i g f I ev l ! .
\
h ' 8h 'i
# 4 i- !y IIORIZONTAL] TRAY ~~
\
; %; *7 h
).
l ---
.- 4 3 t, i,
b/d ? Iff h' 6 y r,r---- "' SIDB VIEW W FRON'i' VIEW i
'}(
4v i i . rp
. FIGURE 1 .
. . Y n}..
y s '
- r. ,0 !
t
.-...a,...-.c
a 8
- e
.>.%._.., .__..~~,..__, , _ , _ _ , _ _.,
I
?
s 9 3 0
- 1 ,
n e..
.% ' R(~f's % .
%}& '* '
's '
c \a\ 1 d @ , N lb.
~
s .. k,E ! , @' $ /=_Q@c7 .-- i
~
-~ l O (. ATE) v I I gh M I
o Z - 1 m g M A ! a- (
\ t
\ f T f 0,0.',' 3 '
e? I ::
'~
- \ .- :: E I
%,o, \ I .
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.t TIME _ ,'(minutes) APPENDIX I<. ,
ASTM-E-119-76 . .' .' i
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- - . . . - . . . . . . ... .. . ._ _ _.. . . . . . . . , _ , , _ _ _ . l. _ , , , ,, _ __ , . _ , _ _ , , , _ , , _
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l .-9& G tg , 3 $3 t L~ 3 15 Note: A 4 mm cable shall be used for G-10 *" 20 i i the general line; a 1.5 mm : ' G cable'shall be used for the other lines. b. S S 21 G-Il T i S 22 g-F -
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- APPENDIX 5 -
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INSTALACDES ItOUSTRIALES f 6 tP FMNO : W PLAN NO. i. l
- .. '"P O2 REVIS!ON l FECHA I PREPARADO l APROSADO lESCAlti, 1 5_k b i ~.3- .'
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' i' e i !Two cable trays protected with bedding, . .
! N,
!with air chamber ' d -
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, TIME (minutes) , .i. .
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Prefabricated Blareet section dimensfons &tereilned try [ r a case by ca Sft.rDf' and ff ,condbit tal ' l N' ins.tallers to e ,e.r. .on,th fire ret.,.sentba, sis.,i, - rt,o, , w ,hergisss
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! }/j fiberglass not - M.tvErt$ 500/s h.]
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fettles of $1t109 ent g h fitserglass (typ) r
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s , i c, t (typ) /; SECT 10ft C-C , {;[;. t ,_ CA 15 f.f*ar W/ AIR SPACE I - J (iEST 184;) , _ e l-
-l .,,
TYPICAL lHE'Q4TJJ II: or CAntt enor w/ Ain crAct ,;j re, t5 .
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ny ,,,._,a-,- (.'; .
- K MYC SYSIEf1 e
- LAOLE Ditor 98/ AIR SPACF $$.'
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103 nts ****~S nrited Je
; .;tN#_ " " " = ~Cn.n APPENDIX 9-5 ,
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i 8
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G O - n .y . 1 1000-- ;i
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900-- ,. , ,
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- 't APPENDIX 10 .jf; TIME (minutas) f
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l ASTM - E - 119 - 76 /j i l
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- Appendix 12-3
* ' ' I I ' '
y _ A 4 .: s ) f> . u v,L - . . . Ventilatim SP7' blj. Door ~~- cable tray protected with bedding Trdy supports .t with air cintaer { i i fg g i sIm vim sacrim -- E-F y$ j T
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i N ,l' - l I Arramix 12-1 i O. o U .
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_ .[b-s -- N INSTALACONES INDLSTRIALES ~r '-
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. P PLANC ;
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1 . . p MFTE: . 'S rrefabricated blareet swtfan crim=nsfets *termined by I , Instaf fers are a case by case basis. Sitter and tiherglifi :i I, f7* r is* vent door to be se.re of th ffre retardant Astrorguerts g or
'1 sleeffer thrg]@
's Itested in closed positIml *
.t l * *,' } ll steel guide rod Typical fra'esork.
[
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Min tal , '
, Calvmfred simort meterlaf twrifnp lengttmise .s n>n fl* Jt Eetablaraet or
' min " en n Y Calyanfred simort poterial providing vertical ord
~
5 Dae Raowool bladet 4-8 fis *nster l h - hr - -- i N- - - - - - - J %: '- A '- r
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f'8FItal siwort en e Men of 88* centers. Cateanfred bolts and screws te be irsed for assent >ly.
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,, fcable aer fiac,f' tra P ,,uMfi per ANI. ff s h
RtEMR$ 500/4 or similar r mf.,
*ad air space \*6[ld* .
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V .ut . . _W i ! l Astromettr threed at Jimictler, or SitrDF and fiberglass (typi 2*
.Pt metal fe mcho w/ e chor a
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la m , % f
, mfn aJn F* centers 1 ECTION A-A SINGLE CABLE TitAY
[ , le VENfED (TESIED Ift CLOSED ro$lil0M) i
- l (TEST TMtEE) i l '
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IUWC SYSIFA
- SINGLE CADLE TAAY (VENTED)
,, ... m.,, ,,
APPENDIX 12-3 -
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* 'f i
g to be seen olth fire retsetAint Astrypestr er slmflar tht;ad. .
,E I '...
sitrtn' escn/sR on cuter cover ifle's st*J '- overf aming siintme or J" on Interior side, p't '
% 2* .N Cero61weet er * *
* ' f4 88W Raowool blaree t i 4-4 fts ekositr Ffbergfess not . RLEWR3 600/d
- slmfler en Interior side , , , _n 5, I i
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e SECTI0ff B-Il SINGLE CONDulf W/0 AIR SPACE eg . (IEST fimEE) O
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- . ** -- " t rs , nts ~'*TIrwere
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- est (without turning off the burner after the removing the firestops)
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. protection irrrnediately after lowering "
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, Photo 25. Test 3. Horizontal section outlet.
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i O O i Test 3. Vertical element O l l outlet detail. g l l C ! a=
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ANI/MAERP STANDARD FIRE ENDURAICE TEST METHOD TO QUALIFY A PROTECTIVE ENVELOPE 'FOR CLASS IE ELECTRICAL CIRCUITS . s 'n.. 1.0 IhTRODUCTION !
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The AN1/MAERP " Basic Fire Protection Guidelines" (April,1976) reco::rnenf ,
. that redundant safety circuits be cut-off from each other by standard fire i walls and floors (Item I, E-6). It has been out experience, that in new designs, this feature is " built-in". However, for operating plants, and some plants nearing completion, the provision of tandard, rated, fire barriers may not be practical. When this condition exists, opt are to relocate the vital circuit to another fire area, or prot h ace.
" Protecting-in-place" is defined as the ability to main !
function during a standard exposure fire by use of a Pr . O In an effort to provide, for insurance purposes on o e re-liable means of " protecting-in-place" these vit ithou imiting i our Insureds to conventional methods, and givi - io f using products / materials not nomally seen in this4;p ion, we have developed this test method. In this mannegeh(1 ff.erent products / materials can be made, using a standar W In developing this Standard . Test )l.ethod, nee .aintain circuit integ-rity during a standard
- temperatuYe-tim ure was the prime con-sideration. In addition, the abilit - r ctive Envelope to contain .
an internal fire exposure, was also c mportant. l It should be emphasized that this Standard Test Method in no way decreases _. our requirements for fixed automatic fire suppression systems nor will it be i considered the equivalent of rated fire barriers, where required. Its intent i _ is to provide a means for " protecting-in-place" redundant cable systems in existing plants, or unusual situations in new designs. G i : r j 1re E%ine 245/ 270 Ic-91m t.4 u./ rerempen conne:wqo32/cm677 '4E = 99 De.co3@7-775/1Lx.te M3-02;
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2 .1 SCOPE & PURPOSE . . { h 2.1 The purpose of this test is to qualify for insurance purposes a ; Protective Envelone for Redundant Class IE Cables in Nuclear Power _ , Plants wnen located in tne same f1re area. (A fire area is cefined i as that portion of a building that is encompassed by rated fire walls, : ceilings and floors.) The maintenance of circuit integrity in these : g Class IE safety circuits during a postulated fire is of prime importance.
- t. 2.2 The intent of this Test Method is to establish a protective ~ velope that maintains circuit integrity for safety circuits when:h !
---Redundant safety circuits, located in the same eh '
osed ! to a fire outside of the cable, system, or ! D ~
---Redundant safety circuits, located in the e en 'e ,
i exposed by a fire originating in an adja ted-i -place" , _ cable system, or ;
---Redundant safety circuits, located i + ea, are subjected to mechanical impact damace a hose .
stream, or other impact test. ,$
. 3.0 ACCEPTANCE CRITERIA .
' I ANI/MAERP Acceptance will be based on th n and review of all !
of the following: ! 3.1 Succes'ful s passage of fire tests, as ou ned in Section 3.4 of this test method, and submittal of necessary test documentation as prepared by a . recognized testing laboratory or consultant. - 3.2 A Quality Contrel/ Quality Assurance Program for the system / design should be submitted for review. Complete details covering installation procedures, physical characteristics, identification methods, sample ; forms for third party sign-off, etc. should be included. i The QC/QA Program is considered an integral part of the acceptance . process and w eintions between the QC/0A Program for the test and the program developed for the actual installation will not be acceptable.
- 3.3 All materials and componerits in the completed system, with the excep-tion of the cable, shall be rated as non-combustible i.e., Flame Spread, '
Fuel Contributed, and Smoke Developed ratings of 25 or less. Materials or components that are combust'ible or hazardous during the ; installation phase, should have a material hazard analysis performed , with procedures developed for quantities on hand, storage practices. and precautions to be taken during installation. l O . 4 ; E
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m 3.4 The Cable Protective Inve' lope-sham be exposed to the following fire . endurance and hose stream tests. Test configuration and details should be submitted for review and co:::nent prior to test. ; h 3.4.1 Test I - Excesure Fire - The Protective Envelope shall be exposed to tne stancare temperature-time curve found in ASTM E-119-76 (ANSI A2.1) for a minimum of one hour. Sketch i 1 outlines a !' succested test configuration. 3.4.2 Hose Stream Test - Immediately following Test I, accessible sur-faces of tne Protective Envelope shall be subjected to one of the following hose stream tests. The hose stream shall be applied , i for a minimum of 21/2 minutes, without de-energizing the circuits. PROPER SAFETY PRECAllTIONS SHA!.L BE EXERCISED. of the follow- ; ing tests shall be used:
- 1. The stream shall be delivere in:h national standard playpipe /8 inch tip, nozzle pressure 'of 30 d feet from.
= the system. .
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- 2. The stream sha11 be@ gh a 1 1/2 inch nozzle set at a M o 30' with a nozzle pressure of 75 s discharge of 75 gpm with the tip a . aximum of 5 ft. from i
, the system.
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- 3. The stream shal . ivered through a 1 1/2 inch !
nozzle set at a disc arge angle of 15* with a nozzle pressure of 75 psi and a minimum discharge of 75 gpm with the tip of the nozzle a maximum of 10 ft._ from ' the system. . . NOTE: f1 is the preferred test. 3.4.3 Test II"- Internal Fire - For syd. ems / designs that require heat to activate the Protective Envelope, the system shall also be subjected to Test II - Internal Fire. Sketch f2 outlines a suooested test configuration. , I 3.4.4 Cable Construction 5 Test Details . .
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3.4.4.I Cables shall be energized for circuit monitoring l , during Test Method I. For the purpose of this test ! method, " energized means sufficient current to monitor f e failure.
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.. t 3.4.4.2 Cable constructiuns shall be representative of cable '
used at the site. Cable tray loadings shall be in ace- i a ordance with suggested test layouts. ! W t 3.4.4.3 In both test tethods, cable tray construction shall be i representative of achJa1 site conditions, where a plicable. j-3.4.4.4 Cable system supports shall be those curr ly in nuclear power plants and follow accepte l E procedures. Care should be exercised ', supports that are necessary for the r nat
- 1. are used for the Protective Envelo 1 f the final installed design.
- Thermocouples shall be located
~4.4.4.5 ,o the ,
surface and at one foot interv in ' e system - l a and temperatures recorded thgg t. l E- 3.4.4.6 Firestopsorbreaks,ifuh .
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acceptable to _ American Nuclear Insure he fire stop ; or break shall not necess :ute a failure of the I the Protective 1:nvelope. - 3.5 The tests shall be constituted a any of the following occur:
- 1. Circuits fail or fault during the fire test as required -
in Test I or fail during the hose stream test.
'h 2. Cotton waste in Test II ignites during the test period.
l 3.6 The minimum fire endurance rating acceptable for Test I shall be one hour. If longer ratings are desired, they shall be in one hour increments, such as 2 hr. ana 3 hr. ratings. 4.0 FINALACC5PTANCE . Prior to any installation at plants ir.sured by American Nuclear Insurers, or Mutual Atomic Energy Reinsurance Pool, complete plans outlining system to be installed, location, etc. shall be submitted for review and acceptance. 7 JULY,197S . , l l 1 ~ t . ..
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, SUGGESTED TES7 LAYOUT - TEST METHOD 1
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EXPOSURE FIRE TEST
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NOTE 1: TWO PROTECTIVE ENVELOPES TO BE TESTED. ONE LOADED TO MAXIMUM (40%) -- DESIGN AND ONE LIGHTLY LOADED.(ONE LAYER).. .
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SUFFICIENT CIRCUITS TO BE MONITORED TO DETECT FAILURE: CIRCUIT TO CIRCUIT, CIRCUIT TO SYSTEM, OR CIRCUIT TO GROUND. , VARIOUS TYPES OF CABLE; SUCH AS POWER, CONTROL AND INSTRUMENTATION. i CABLE SHOULD NOT EXTEND M3RE THAN THREE FEET OUTSIDE THE TEST OVEN. , C. NOTE 2: DUE TO FURNACE DESIGN, IT MAY BE HECESSARY TO ENTER AND EXIT THE l-
, FURNACE ON THE TOP OR THE SIDE. . b E
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.g i NOTE 1: COHON WASTE SHALL BE PLACE E EhTIRE TOP SURTACE ,
OF THE TEST. SYSTEM AND A 5 DTEM6INCHESBELOW THE TEST SYSTEM. QQ i NOTE 2: THE CABLES USED IN THE TEST SHALL BE REPRESENTATIVE OF THE CABLE USED AT THE SITE. LOADINGS SHOULD BE 20% Fill. ~ - . -~ WITH RAND 0M LAY. , THE CABLES IN THE TRAY SHALL BE .1GNITED USING THE "0IL ! SOAKED BURLAP" METHOD AS OUTLINED ~IN IEEE/ICC/WG 12-32, . .
. DATED 6/27/73. OR OTHER ACCEPTABLE " FLAME SOURCE", -
DEPENDING ON DESIGN AND OPERATING CONDITIONS OF THE C0ATING. THE FLAME SOURCE SHALL BE LOCATED AT THE MID-POINT OF THE CABLE SYSTEM. THE IhTEhT BEING TO PROVIDE i AN IGNITION / FLAME SOURCE THAT IS DESIGNED .TO LAST APPROXI- [;;
; MATELY 20 MINUTES AND ACTIVATE THE PROTECTIVE ENVELOPE.
OBSERVATIONS AND THERMDCOUPLE READINGS SHALL BE MAlhTAINED ;'
- FOR ONE HOUR FROM THE POINT OF IGNITION OF THE " FLAME I SOURCE". -
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