ML20247B061

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Proposed Tech Specs,Revising Containment Iodine Removal Sys, Penetration Room Exhaust Filtration Sys,Control Room Emergency Ventilation Sys,Eccs Pump Room Exhaust Air Filtration Sys & Spent Fuel Pool Ventilation Sys
ML20247B061
Person / Time
Site: Calvert Cliffs  Constellation icon.png
Issue date: 08/30/1989
From:
BALTIMORE GAS & ELECTRIC CO.
To:
Shared Package
ML20247B049 List:
References
NUDOCS 8909120334
Download: ML20247B061 (34)
v • d • e


Text

{{#Wiki_filter:- _ -. l CONTAINMENT SYSTEMS 3/4.6.3 IODINE REMOVAL SYSTEM LIMITING CONDITION FOR OPER ATION 3.6.3.1 Three independent containment iodine filter trains shall be OPERABLE. APPLICABILITY: MODES 1, 2, 3 and 4. ACTION: With one iodim filter train inoperable, restore the inoperable train to OPERABLE i status within 7 days or be in at least HOT STANDBY within the next 6 hot,rs and in COLD SHUTDOWN within the following 30 hours. SURVEILLANCE REQUIREMENTS 4.6.3.1 Each iodine filter train shall be demonstrated OPERABLE a. At least once per 31 days on a STAGGERED TEST BASIS by initiating, from the control room, flow through the HEPA filter and charcoal adsorber train and verifying that the train operates for at least 15 minutes. ( b. At least once per refueling interval or (1) after any structural maintenance on the HEPA filter or charcoal adsorber housings, or (2) following painting, fire or chemical release in any ventilation zone communicating with the system by: 1. Verifying that the charcoal adsorbers remove t 99% cf a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with *.MC.i'5:0 = while operating the filter train at a fio ate of 20,000 cfm e 10%. 2. Verifying that the HEPA filter banks remove t 99% of the DOP when they are tested in-place in accordance with AN99- .NGM MG& while operating the filter train at a flow rate of 20,000 cfm 1 10%. } 1 e glaYorp QNf[043 feuIaba 05' 's 3 C. S. a a a c.s.I d Sey%9 Mc 133 as c.s.e st Acy%ry gevi36a A March 1979 d bidt.l.62 k'VIS'*d 2 lll*F IW k l d CALVERT CLIFFS - UNIT I 3/4 6-13 Amendment No.128 bb {DR ADOCK 05000317 PDC x__.______.--__

K,- CONTAIN'.iENT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 3. Verifying within 31 days after removal that a laboratory analysis of a carbon sample ' cith:r :: 1::;t ;;; t::t

' t Or -t h;;t tu: :::: r :: ;h: removed from one of the charcoal adsorbers demonstrates a removal effi-ciency of > 95% for radioactive elemental iodine when the sample is tested in accordance with AN$1 N5iO-1975 (130*C, 95% R.H.).

The carbon samples not obtained from test canisters shall be prepared by emptying a representative sample from an adsorber test tray section, mixing the adsorbent thoroughly, and obtaining samples at least two ) inches in diameter and with a length equal to the thickness ( of the bed. Successive samples will be rmoved from ) different. test tray sections. ( 4. Verifying a filter train flow rate of 20,000 cfm + 10% during systen operation when tested in accordance with ANSI N510-1975. c. After every 720 hours of charcoal adsorber operation by::hhr-- X Verifying within 31 deys after removal that a laboratory analysi s of a carbon sample "-'- ' '--- - '--' -- '"-- ( i-.;tr:t;; e r; ;::1 :f'Shn;3 Of : 05" f;r 7:d' rtive th:;..tel ied!.,;.;h:n th; :- Te h t:;t;d ' re -- d'h A!$! !$10-1970 (100 0, 05" "..".), er X "--"y a; H t- 21 d;,; ;f'e- -- ' -' - h%, et;ry 4 r:ly: S ef et h ;;t t.; ;;rh ; :: ; h : demonstrate (a, removal efficiency of > 95%_for radioactive elemental ~ iodine when the semplef ame* tested in accgrdance with ANSI h510-1975 (130'C, 95% R.H.). rd t'- Temples are RTepared by emptying a representative sample from an adsorber / V test tray section, mixing the adsorbent thoroughly, and obtaining samples at least two inches in diameter and with ) a length equal to the thickness of the bed. Successive samples ( will be removed from different test tray sections. ) L CALVERT CLIFFS - UNIT 1 3/4 6-14 Amendment No. 8 3 waso. *em.arw a. seJen.. ,.m,*es.mv wee ' g-,g,, w a. m www. p. e eg,w., 4 ,y;. 4 .__._____m____.m

l' CONTAINMENT SYSTEMS SURVEILLANCE REOUTREMENTS (Continued) Subsequent to reinstalling the adsorber tray used for obtaining the carbon sample, the filter train shall be dem-onstrated OPERABLE by also verifying that the charcoal adsorbers remove t 99% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance of 20,000 cfm i 10%.% e operating the filter train at a flow rate with,U::: N;;0 ;770 whil d. At least once per refueling interval by: k 1. Verifying that the pressure drop acron $c combined HEPA filters and charcoal adsorber banks is < 6 inches Water Gauge while operating the filter train at a flow rate of 20,000 cfm 10%. 2. Verifying that the filter train starts on a Containment Isolation test signal. 83As c.sa ~4 l g,g,.3 c.S. A d Aepls%y Guide i.52 l (gevinan2.tilmkm8 O \\ CALVERT CLIFFS - UNIT 1 3/4 6-15 Amendment No. 128 x___-_______._.. m_

l CONTAINMENT SYSTEMS i 1 3 SURVEILLANCE REQUIREMENTS (Continued) 1 e. After each complete or partial replacement of a HEPA filter ) 4 bank by verifying that the HEPA filter banks remove 1 99% of the DOP when they are tested in place in accordance with 4%f- !;510 1075 while operating the filter train at a flow rate of 20,000 cfm + 10%. f. After each complete or partial replacement of a charcoal l adsorber bank by verifying that the charcoal adsorbers remove 1 99% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with C : *:010 1275- % while operating the filter train at a flow rate of 20,000 cfm + 10%. g. After maintenance affecting the air flow distribution by I [) testing in-place and verifying that the air flow distribtuion is uniform within + 20% of the average flow per unit when tested in accordan?e with the provisions of Section 9 of ( ) " Industrial Ventilation" and Section 8 of ANSI N510-1975. i (}egula+ony tosifions c.5. f f g,, f,,;% c.g., z y f cede txt Revis gu(aloq ? and C.S. d of keg u{a}sry ad C.S. c of Ae " a mw lSuide I. n Red dea 2 L IM6 M a rc k $ U T) g i j I CALVERT CLIFFS - UNIT 1 3/4 6-16 Amendment No. 38 .~ l l

CONTAINMENT SYSTEMS /4.6.6 -PENETRATION ROOM EXHAUST AIR FILTRATION SYSTEM 3 LIMITING CONDITION FOR OPERATION Two independent containment penetration room exhaust air filter 3.6.6.1 trains shall be OPERABLE. APPLICABILITY: MODES 1, 2 and 3. ACTION: With one containment penetration room exhaust air filter train inoperable, restore the inoperable train to OPERABLE status within 7 days or be in at least HOT STANDBY within the next 6 hours and in COLD S the following 30 hours. SURVEILLANCE ACQUIREMENTS Each containment penetration room exhaust air filter train shall 4.6.6.1 be demonstrated OPERABLE: At least once per 31 days on STAGGERED TEST BASIS by initiating, from the control room, flow through the HEPA filter and charcoal a. adsorber train and verifying that the train operates for at least 15 minutes. At least once per 18 months or (1) afte'r any structural maintenance on the HEPA filter or charcoal adsorber housings, b. or (2) following painting, fire or chemical release in any l ventilation zone communicating with the system by: Verifying that the charcoal adsorbers remove > 99% of 1. a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with 705: NSM-MM-while operating the filter train at a flow rate of 2000 cfm + 10%. Rey 64 cry Pos&S c.s.2 -s c.s.4 of Reptaby yde t.sp. Vedsioa A 9 beck IM% CALVERT CLIFFS - UNIT 1 3/4 6-28 ~ v L_-_ 1

4 CONTAINMENT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 2. Verifying that the HEPA filter banks remove > 99% of the DOP when they are tested in-place in accordance withwM+9F "$10-137: while operating the filter train at a flow rate of 2000 cfm + 10%. 3. Verifying within 3'1 days after removal that a laboratory analysi: of a carbon sample fr;; cith:r :t 10::t :n: t;;t

rict ' cr et 1;;;t tw; ::rb r ::mpics-removed from one of the charcoal adsorbers demonstrates a removal efficiency of > 90% for radioactive methyl iodide when the sample is tested in accordance with ANSI H510-1975 p(30*C, 95%

R.H.). The carbon samsles not obtained from test :anisters shall be crepared by emptying a representative sam;;e from ( an acsorcer test tray section, mixing the adsorbent ) I thoroughly, and obtaining sampics at least two inches in ) dia, meter and with a length equal to the thickness of the ( l bed. Successive samples will be removed from different )' test tray sections. p ( 4 Verifying a system flow rate of 2000 cfm + 10% durirg system operation when tested in sccordance 'ith ANSI w N510-1975. ~ c. After every 720 hours of charcoal acsorber operation by::ither: 1. Verifying within 31 days after removal that a laboratory analysis of a carbon sample ;bt:in:d

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ae:hyl i:did: : hor th: ::r;1: i: t :ted '

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  • ANSI i.LIG-127

('.00'C, 055 " ".); cr-2. ";rify'n; ithin 31 d;,a efter "r ev:1 that : 1 Sher:t:ry

n:1y;is ;f ;t 1;;;t t :: ::rber re ;1er-demonstrat a removal efficiency of > 90% for radioactive methyl odide when the sampley" eve tested in accordance with ANSI N510-1975 (X30'C. 95% R.H.),:nd th [amples are prepared 15 I

( Cl.L'!~RT CLIFFS - UNIT 1 3/4 6-2g Amendment No. 53 _. ~.,. _ _, _ I

CONTAlldENT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) () by emptying a representative sample from an adsorber test tray section, mixing the adsorbent thoroughly, and obtain-ing samples at least two inches in diameter and with a ( length equal to the thickness of the bed. Successive ) samples will be removed from different test tray sections. 5 Subsequent to reinstalling the adsorber tray used for obtaining the carbon sample, the filter train shal.1 be g, demonstrated OPERABLE by verifying that the charcoal adsorbers remove > 99% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with-AN:: ': 10-1273-while operating the ventilation system aja flow rate of 2000 cfm 110%. / f d. At least once per 18 months by: 1. Verifying that the pressure drop across the combined HEPA filters and charcoal adsorber banks is < 6 inches Water Gauge while operating the filter train at a flow rate ( of 2000 cfm 110%. 2. Verifying that the filter train starts on a Containment Isolation Test Signal. ] Fggy\\a % y fos fias C.S.a ad c.s.d c4 R*r ab"7 G"M" # C)' l g;,;;a a n1ard M78 CALVERT CLIFFS - UNIT 1 3/4 6-30 Amendment No. 35 SB (

g = y l f 'ONTAINMENT SYSTEMS E SURVEILLANCE REQUIREMENTS (Continued) b After each complete or partial replacement of a HEPA filter 5: e. bank by verifying that the HEPA filter banks remove > 99% of [ the DOP when they are tested in-place in accordance with #1H. 5 95'.0 '.275 while operating the filter train at a flow rate R of 2000 cfm + 10%. E-m_ f. After each complete or partial replacement of a charcoal E adsorber bank by verifying that the charcoal ad,sorbers remove. si > 99% of a halogenated hydrocarbon refrigerant test gas when E they are tested in-place in accordance with =.":::.510 107 M while operating 'the filter train at a flow rate of'2000 cfm N. 1 10%. {= g. After maintenance affecting the air flow distribution by ( testing in-place and verifying that the air flow distribution ) is uniform within i 20% of the average flow per unit when ( g tested in accordance with the provisions of Section 9 of 3 il " Industrial Ventilation" and Section 8 of ANSI N510-1975. q j ( ml .= legMa+oey fon<'.as A 0 Rey %cy fosnisas c.s.a k l ad c.s.e of Rqulabr I i d C 5 d of A "? bt g l Guide f5A Aed3'od 1 I gum' M2

  1. 2 h

. lY\\a r c k W $ $Q e E! ? .) -l l ^ m I CALVERT CLIFFS - UNIT 1 3/4 6-31 Amendment No. 3 g i l I L__ '

L PLANT SYSTEMS SURVEILLANCE REQUIREMENTS l i 4.7.6.1 The control room emergency ventilation system shall be' demonstrated E OPERABLE-At least once per 62 days, on a staggered test basis, by deenergizin a. the backup control room air conditioner and verifying that the emer-gency control room air conditioners maintain the air temperature < 104*F for at least 12 hours when in the recirculation mode. b. At least once per 31 days by initiating flow through each HEPA filter and charcoal adsorber train and verifying that each train operates for at least 15 minutes. c. At least once per 18 months or (1) after any structural maintenance j on the HEPA filter or charcoal adsorber housing, or (2) following l painting, fire or chemical release in any ventilation zone communi-cating with the system by: 0"'. I' l S3 AtVis!*" k M1'*N I_9I b (Rey ls+ory fosi%s c.c.a aux c.s.et a; Renalafur1 1. Verifyina that the charcoal adsorbers/ remove > 99% of a halo-J genated f:ydrocarbon refrigerant test (gas when~they are tested g in-place in accordance with "Z: a3;3 '^75 while operating the ventilation system at a flow rate of 2000 cfm + 10%. Gey\\ahory hsWsas c.5.* out c.s.c of tryta+ory Cwide /.r1 Levison a ston d 19?SD when they are tested in-place in accordance with "'S! "5'0- y 2. Verifying that tne HEPA filter banks remove > 99% of the DOP HH9-while operating the ventilation system at a flow rate of l 2000 cfm + 10%. 3. Verifying within 31 days after removal that a laboratory analysis of a carbon sample 'r;.- cither :t 1;;;t =: t::t ::ri:t:r : :t 3;;;t t-ce erber :: p?:: removed from one of the charcoal adsorbers demonstrates a remcval efficiency of > 90% for radio-active methyl iodide when the sample is tested In accordance i wi th -ANSI N510-1975 ()(30*C, 95% R.H. ). The carbon samples not obtained from test canisters shall be ocepared by emptying a representative sample frnm an adsorber test. tray.section. mixing the adsorbent thorougnly,:and obtaining. samples at least two inches in diameter and with-a lengtn equal to tne thickness 8 of the bed. Successive samples will be removed from different-test tray sections. I I CALVERT CLIFFS - UNIT 1 3/4 7-18 Amendment No. 83, g g ( .o ~ ~ - - - - - _ _ _ - - - - - - -, - - - - - - - - - _ _ _

h IPLAt~ SYSTEMS E SURVEILLANCE P.EOUIREMENTS (Continuec) 4. Verifying a system flow rate of 2000 cfm i 10% during system operation when tested in accordance with ANSI N510-1975. d. After every 720 hours of charcoal adsorber operation by::ither- .)( Verifying within 31 days after removal that a laboratory analysis of a carbon sample dt:in:d fcc : :::t ::ni t:r dem:n::r:::.; ;

.r/
1 c"kkn:; cf - 90% f:r r:di ::th:

~ 'e t'-i;dide h:n th: ci ?'a 'e tert d " accordin:: ith -AN : ::;iG-157; (130'C, ::: " ". } ; Or k "; ci f, ' n;..i thi n ?' = re =cr.......m; that : hberg t:sf

n;;., o of :t h::: :..; ::rb a ::~r' s demonstra ga removal J

efficiencv of > 905 for radioactive methyl iodide ,en the sampleM teiIted in accordance with AN'SI N510-1975 (X30*C, is 95L'F..H.).-Ind the Tamples are preoared by emptying a ( representative sam )1e from an adsorber test tray section, mixing the adsorbent thoroughly, and obtaining samples at 1 east two inches in diameter and with a length equal to the ( ( thickness of the bed. Successive samples will be removed ) from different test tray sections. Subsequent to reinstalling the adsorber tray used for ) obtaining the carbon sample, the filter train shall be [ demonstrated OPERABLE by also verifying that the charcoal s adsorbers remove > 99'; of a halogenated hydrocarbon / refrigerant test gas when they are-tested 'in-place in ( accordance with AN : N:'. 10M while operating the ventila-d)

  • tion system at a flow of 000 cfm i 10'.'.

f ey\\a-\\wy fosWon C.S. o e~d C.S. 4 of Aeylawy GWde l.51 [leds.ca A Abrek (*t?% C CALVERT CLIFFS-UNIT 1 3/4 7-19 Amendment No. E 2 ---am________-_ _ _ _ _ _ _ _ _. _ _ _ _ _ _ _ _ _ _ _. _ _ _ _ _ _

PLANT SYSTEMS-SURVEILLANCE REQUIREMENTS (Continued) i i e. At least once per 18 months by: 1. Verifying that the pressure drop across the combined HEPA filters and charcoal adsorber banks is < 4 inches Water Gauge while operating the ventilation system at a flow rate of 2000 cfm i 10%. 2. Verifying that on a control room high radiation test signal, the system automatically switches into a recircu-lation mode of operation with flow through the HEPA-6[/ filters and charcoal adsorber banks and thatt he isola-t

  1. e. isola tion valve in ge %;fe+ ar.m exhaus+ duct clos tion valves elemin each inlet het nad coatmon exkausf Act After each complete or partial replacement of a HEPA fifter f.

~ bank by verifying that the HEPA filter banks remove 1 99% of the D0P when they are tested in place in accordance with MSG- "'^ '"" while operating the filter system at a flow rate of A "2000 cfm i 10%. f After each complete or par.tial replacement of a charcoal g. adsorber bank by verifying that the charcoal adsorbers remove 1 99'- of a halogenated hydrocarbon refrigerant test gas when .( they are tested in-place in accordance with ANC: N5 0 '^7" ( while operating the filter system at a flow rate of 2000 cfm 1 ) 10%. / e0,%,.yfos;%n c.s.a ad Ac ulaforf As'Y<Os C.S.a c.s.4 sf R'Osa%Y au c.sA d le0ukk Gud. (puide. l.O. deVistorJ Q e I '2 1 fevlsrY i.MA*'N 018 J g ys ( CALVERT CLIFFS - UNIT 1 3/4 7-20

PLANT SYSTEMS ( SURVEILLANCE REQUIREMENTS (Continued) l (Reyl & Posi+ks c.Sa sad c.S.ot of Regulefory Cmide I.S.2 Revista y Marek L-Verifying that the charcoal adsorbers remove > 99% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with N::: N 10-107; while operating the filter train at a flow rate af 3000 }eylakyhs; .'s.c oWul* b'1 0'A'I' I 5'1 A'Vi'i*" N "'k '9 8] Verifying that the HEPA filter banks remove > 99% of the ) 2. DOP when they are tested in-place in accordaiice with ANGE G 10-1975 while operating the filter train at a flow rate of 3000 cfm + 10%. 3. Verifying within 31 days after removal that a laboratory analysis of a carbon sample 'r cither :t 'cret =: t=t carict:r - Et 'eset tr:0 n ri:r :2 ?? = removed from one of the charcoal adsorbers demonstrates a removal effi-ciency of > 90% for radioactive methyl iodide when the sample is tested in accordance with ANSI N510-1975 (X30 C, 95% R.H.). The carbon samples not obtained from test unisters shall be prepared by emptying a representative san.ple from an adsorber test tray section, mixing the ( adsorbent thoroughly, and obtaining samples at least two ) ( inches in diameter and with a length equal to the thick-ness of the bed. Successive samples will be removed from j different test tray sections. ( 4. Verifying a system flow rate of 3000 cfm + 10% during ~ system operation when tested in accordance with ANSI () i;510-1975. c. After every 720 hours of charcoal adsorber operation bytei++- K Verifying within 31 days after removal that a laboratory analysis of a carbon sample dt;i=d #rn ; t=t =r. inter d; cr.:tr;tn ; r;acval cf'ki=a of. 00% fer radiceu..vc =thyl iodid: ter the r?~r'e k tu t9 " =::rd re +4 J. AN';; :::101975 (1370, 0:E R. ':.), ; - k CALVERT CLIFFS-UNIT 1 3/4 7-22 Amendmentno.//,E3

f } f PLAi4T SYSTE!', i. lSURVEILLANCEREQUIREftENTS(Continued)' K 4'erify' ; "itM r. 31 d;y: 2# t e r -- - ' ' " ' ' ' ' - t e r-p ee'yrf: ;f a l ee s t.

rb
r;;mp'c:-demonstrate [a

.no removal efficiency of > 90% for radioactive methyl iodide h when the samples-*# tested in accordance with ANSI N510-1975 (X30*C, 95% R.H.) ;r.d the lamples are prepared by emptying a representative sample from an adsorber test e tray section, mixing the adsorbent thoroughly, and obtain-( l: ing samples at least two inches in diameter and with a ) 1l length equal-to the thickness of the bed. Successive ( j! samples will be removed from different test tray sections. ) lI li Subsequent to reinstalling the adsorber tray used for obtaining the carbon sample, the filter train shall be j' demonstrated OPERABLE by also verifying that the charcoal -{g adsorbers remove > 99% of a halogenated hydrocarbon !L refrigerant test gas when they are tested in-place in / .l accordance with A" I :T C 1:75 while operating the ( ventilation system at a^ flow rate of 3000 cfm i 10%. ) a r d. At least once per 13 months by verifying that the pressure i drop across the combined HEPA filters and charco&1 adsorber 1 banks is < 4 inches Water Gauge while operating the filter train at a flow rate of 3000 cfm i 105. g fg ht.y ftsi)[oAS C.6. 4 oad c.5.d of bb g ( M y (7cridt l.61 k

  • ms l

CALVERT CLIFFS - UNIT 1 3/4 7-23 Amendment No. 3B,% $ k-

PLANT SYSTEMS ( SURVEILLANCE REQUIREMENTS (Continued) e. After each complete or partial replacement'of a HEPA filter bank by verifying that the HEPA filter banks remove t 99% of the DOP when they are tested in-place in accordance with A4G4- ' t!510 1975 while operating the filter train at a flow rate of I f. 3000 cfm i 10%. f. After each complete or partial replace. ment of a charcoal-adsorber bank by verifying that the charcoal' adsorbers remove 1 99% of. a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with ?.*Z: ':510 1575-while operating the filter train at a flow rate of 3000 cfm i 10i;. .{ -g. After maintenance affecting the air flow distribution by () t' sting in-place and verifying that the air flow distribution e is uniform within i 20% of the average flow per unit when h tested in accordance with the provisions of Section 9 of " Industrial Ventilation" and Section 8 of ANSI N510-1975. <1 m ( Rept b.y PoJ W 5 c.S.e RepMry A3ifAss cs'.,. ad c.s.c. of Repleby as c.r..I ( Ry(=by Gde 15A Rev's'W A G J e /. n R e s a d A /Hg r-ck 106 ( /)'la rcd M 7 9 W ( CALVERT CLIFFS-UNIT 1 3/4 7-24 Amendment No. 38 i u.__. _ _ _ _ _ _ _ _ _ _. _. _ _ _ _ .._m._

REFUELING OPERATIONS SURVEILLANCE RE0VIREMENTS (Continued) l b. At least once per 18 months or (1) after any structural main-tenance on the HEPA filter or charcoal adsorber housings, or 1 (2) following painting, fire or chemical release in any venti-I lation zone communicating with the system by: 1. Verifying that the' charcoal adsorbers remove > 99% of a halogenated hydrocarbon refrigerant test gas when they i are tested in-place in accordance with if::: ':510107:g while operating the ventilation system at a flow rate of 32,000 cfm i 10%. -g 2. Verifying that the HEPA filter banks remove > 99% of the D0p when they are tested in-place in accordance with-AMSi-n:10 1 75 while operating the ventilation system at a flow rate of 32,000 cfm 1 10%. 3. Ver"ifying within 31 days after removal that a laboratory analysis of a carbon sample f;: c ther :t lo::t =: tort 4 cea4 rte er :t k::t tt!c ?rber tr;10: removed from one of the charcoal adsorbers demonstrates a removal efficiency { of > 90% for radioactive methyl iodide when the sample is tested in accordance with ANSI N510-1975 (X30*C, 95% () R.H.). The carbon samples not obtained from test canisters shall be prepared by emptying a representative samrle from an adsorber test tray section, mixing the adsorbent ( thoroughly, and obtaining samples at least two inches in ) diameter and with a length equal to the thickness of the ( bed. Successive samples will be removed from different test tray sections. (). 4. Verifying a system flow rate of 32,000 cfm i 10% during system operation when tested in accordance with ANSI H510-1975. 1 3 fega\\a.brq foss'fs'sas C.C.o. f)evibtf*'#alabry t c.r.e d 3 ,s e.s.a of b y w y ggde l.6;L ScVI5iod c7-G uid e /. S A [ EV'IS A M'IB A rck B7% t__p r u (' CALVERT CLIFFS - UNIT 1 3/4 9-13 AmendmentNo.T3

.x l 1 I REFUELING OPERATIONS { SURVEILLANCE REQUIREt1ENTS (Continued) c. After every 720 hours of charcoal adsorber operation by' ith;r: Verifying within 31 days after removal that a laboratory analysis of carbon sample cbt:in:d ' :r a test ::ri:ter i &cr.:tr;;;; ; emov:1 cfficier.cy ;f ; 90 f:r r:d":::tiv: T.:thyl i;did; -hcr th: :2mple '.: t::t:d '

rd;.n;; nith ANC: N:10 1 :7 ; C 20
  • C, 0 3% ', ". ), ;.

h '!:r ' fy' g "' t- 21 d:y: :#te-meval th;; ; 1:beratory

=ly:i: :f ;t 1;;;; ins ccb;n ;;.T.pl es demonstrated a

_ removal efficiencv of > 90% for radioactive methyl iodide when the samples-s*# tested in accordance with ANSI N510-1 1975 ()l'30'C, 95% R.H.). c.nd t% Jamples are prepared by l emptying a representative sample from an adsorber test / tray section, mixing the adsorbent thoroughly, and obtain-( ing samples at least two inches in diameter and with a I length equal to the thickness of the bed. Successive ( samples will be removed from different test tray sections. }A( Subsequent to reinstalling the adsorber tray used for i obtaining the carbon sample, the filter train shall be demonstrated OPERABLE by also verifying that the charcoal adsorbers remove > 99% of a halogenated hydrocarbon ( refrigerant test gas when they are tested in-place in ) accordance with ANSI ':510-1:7? while operating the ( ventilation system at a^ flow rate of 32,000 cfm + 10%. /s l m Re y(<+on Pos d. iods C.S.a a d c.s d of j;tep+orr Game-1.s2 P-evisaa A /Ma& 1 i i CALVERT CLIFFS - UNIT 1 3/4 9-14 Amendment No. % i 4

1, ) s.^ t,. p 5:,. REFUELING OPERATIONS ~ SURVEILLANCE REQUIREMENTS (Continued) i ' d. At least once per 18 months by:- 1. Verifying that the pressure drop across the combined HEPA l - filters and charcoal adsorber banks is '< 4 inches Water Gauge while operating the ventilation system at a flow. rate of 32,000 cfm i 10%. 2. Verifying that each exhaust fan maintains the spent fuel storage pool ' area ~at a measurable negative pressure f7 - relative to the outside atmosphere during system operation. e. . After each. complete or partial replacement of 'a HEPA filter bank by verifying that the HEPA filter banks remove >' 99% of the DOP when they are tested in-place in accordance with, N while operating the ventilation system at a - flow rate of 32,000 cfm i 10%. f. After each complete or partial replacement of a charcoal adsorber bank by verifying that the charcoal adsorbers remove > 99% of a halogenated hydrocarbon refrigerant test c gas when they are tested in-plate in accordance with M i 45M49Mr while operating the ventilation system at 4-flow t rate of 32,000 cfm i 10%. g. After maintenance affecting the air flow distribution by testing in-place and verifying that the air flow distribution. [ is' uniform within + 20% of the average flow per unit when f tested in accordance with the provisions of Section 9'of " Industrial Ventilation" and Section 8 of ANSI N510-1975. I r-3 ge9ak%y Position 1 c.s.e aa/ fegu\\aky lositioas C5.7 c,g.e & g.cylky Cnide ed cs.d of Acy e%y t f,s';L gevis;oa R RfArk ITIB ) Nt'I' /FM rd M 78 ~ = h' ~ CALVERT CLIFFS - UNIT 1 3/4 9-15 Amendment No. #,M,118 I --__s _a _m--__._mm ___----.a____.m

CONTAINMENT SYSTEMS 3/4.6.3 IODINE REMOVAL SYSTEM LTMITING CONDITION FOR OPER ATION 3.6.3.1 Three independent containment iodine filter trains shall be OPERABLE. APPLICABILITY: MODES 1, 2, 3 and 4. ACI'!ON With one iodine filter train inoperable, restore the inoperable train to OPERABLE status within 7 days or be in at least HOT STANDBY within the next 6 hours and in COLD SHUTDOWN within the following 30 hours. SURVEILLANCE REQUIREMENTS 4.6.3.1 Each iodine filter train shall be demonstrated OPERABLE: a. At least once per 31 days on a STAGGERED TEST BASIS by initiating, from the control room, flow through the HEPA filter and charcoal adsorber train and verifying that the train operates for at least 15 minutes. b. At least once per refueling interval or (1) after any structural maintenance on the HEPA filter or charcoal adsorber housings, or (2) following painting, fire or chemical release in any ventilation zone communicating with the system by: 1. Verifying that the charcoal adsorbers remove 199% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with ANjfm i 10%. N5:04;75 while operating the filter train at a flow rate of 20,000]c 1 2, Verifying that the HEPA filter banks remove 199% of the DOP when they are tested in-place in accordance with ANS: N!:04975 phile operating the filter train at a flow rate of 20,000 cfm 10%.T l R%uln kry Pn, +,w s c.. s. a Rivb C.. i. d. o C 9e8u 8 ab-y CE b

  • 3"IA4"/

Posa;,o3 c.i. A~a cS.c.oC 2esve, w y iI.52 fleuisev.1 mae.cw mt G u'. s a 1 sq Rev.a.~ x M acch # M !r 1 CALVERT CLIFFS - UNIT 2 3/4 6-13 Amendment No.110

t + CONTAINMENT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 3. Verifying within 31 days af ter removal that a laboratory analysis of a carbon sample frer :ith:r ;t 1;;;t e..a test

ri:t:r Or et 1:: t t:: ::rb:r :::;1:; removed from one of the charcoal adsorbers demonstrates a removal effi-ciency of > 95% for radioactive elemental iodine when the sample is tested in acccrdance with ANSI N510-1975 (130*C, 95% R.H.).

The carbon samples not obtained from test canisters shall_ be prepared by emptying a representative ( ). sample from an adsorber test tray section, mixing the adsorbent thoroughly, and obtaining samples at least two ( > inches in diameter and with a length equal to the thickness of the bed. Successive samples will be removed from different test tray sections. q' 4. Verifying a filter train flow rate of 20,000 cfm + 10% during system operation when tested in accordance with ANSI' N510-1975. c. After every 720 hours of charcoal adsorber operation by!wiLivi. K Verifying within 31 days after removal that a laboratory analysis of a carbon sample obt:ined ' : t :t :::i;ter d;;;n:trat:: ; r;;;;;.1 effi;ien;y of ; OS^; iv. r;di: 5

ti:: e!: at:! i din: "e-th: :27T: is t::ted in e;;;r d:nce vith -ANSI Z10-1575 ~(i30=C, -E D 58 ):

cfter..,~ el th:t : 1:ber-K. '/;ri' sin; ith" ?! d:y: demonstrate)tery 1 enely:i: Of :t heit t ; ;;rb:r :2 7 0: a removal efficiency of 1 95%forradioactiveelementalg ANSI N510-1975 (130*C,g gueVtested in accordance with iodine when the sample 95% R.H.), :nd th; &amples are prepared by eniptying a representative sample. from an adsorber t%st tray section, mixing the adsorbent thoroughly, and [( obtaining samples at least two inches in diameter and with 7 a length equal to the thickness of the bed. Successive samples f i will be removed from different test tray sections. d l CALVERT CLIFFS - UNIT 2 3/4 6-14 Amendment No. 6 6 l 1 i (

s ' k., ' CONTAINMENT SYSTEMS SURVEILLANCE REOUTREMENTS (Continued) Subsequent to reinsta!!ing the adsorber tray used for obtaining the carbon sample, the filter train shall be demonstrated OPERABLE by also verifying that the charcoal adsorbers remove t 99% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with.'"" M5:0 l75 while operating the filter train at a flow rate of 20,000 cfm i I d. At least once per refueling interval by: k 1. Verifying that the pressure drop across the combined HEPA filters and charcoal adsorber banks is < 6 inches Water Gauge while oper-ating the filter train at a flow rate of 20,000 cfm i 10%. 2. Verifying that the filtst train starts on a Containment Isolation test signal. I h lp.g hoS Ibc.to 5 C. 5. 4. % d C50 2cgu la40-Y Oo.de ISR ( dyo,sde <R M Ar A 14 1 .f,110 CALVERT CLIFFS - UNIT 2 3/4 6-13 Amendment No. - ___m_ _. _. _ _. _ _. _ _. _ _

4- -

.g., ' CONTAINMENT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) e. After each complete or partial. replacement of a HEPA filter bank by verifying that the HEPA filter banks remove _t 99% of the DOP when they are tested in place in accordance with ANSt l1010-i;73 while operating the filter train at a flow rate of L 20,000 cfm i 10%. f.. After each complete or partial replacement of_a charcoal adsorber bank by verifying that the charcoal adsorbers remove 1 99% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with At:0! !$10-i;7; 4-while operating the filter train at a flow rate of 20,000 cfm i 10%. g. After maintenance affecting~ the air flow distribution by 5 ) testing in-place and verifying that the air flow distribution 4 I is uniform within 120% of the average flow per unit when p& tested in accordance with the provisions of Section 9 of j " Industrial Ventilation" and Section 8 of ANSI N510-1975. d hEgulAb-y b S N'b5 O'5

  • Pos,+;ou c.s A

%s c.s. c. 6 %uwhy ?'-

fgbu, cGvs+acy(}'

ts c.c. a o 2 l.52 Beu a suso 2MnedAW C a% t SR Reuss ~ R I l m aaca 19,9 ./1 l i CALVERT CLIFFS - UNIT 2 3/4 6-16 Amendment No. 21 n

n.. l CONTAINMENT SYSTEMS 3/4.6.6 PENETRATION ROOM EXHAUST AIR FILTRATION SYSTEM LIMITING CONDITION FOR OPERATION 3.6.6.'1 Two independent containment penetration room exhaust air filter trains shall be OPERABLE. l' APPLICABILITY: MODES 1, 2 and 3. ACTION: With one containment penetration room exhaust air filter train inoperable, restore the inoperable train.to OPERABLE status within 7 days or be in at least HDT. STANDBY within the next 6 hours and in COLD SHUTDOWN within the following 30 hours. l SURVEILLANCE REQUIREMENTS 4.6.6.1 Each containment penetration room exhaust air filter train shall ( be demonstrated OPERABLE: At least once per 31 days on STAGGERED TEST BASIS by initiating, a. from the control room, flow through the HEPA filter and charcoal adsorber train and verifying that the train operates for at least 15 minutes. ~ b. At least once per 18 months or (1) after any structural maintenance on the HEPA filter or charcoal adsorber housings, or (2) following painting, fire or chemical release in any ventilation zone communicating with the system by: 1. Verifying that the charcoal adsorbers remove > 99% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with AN51 n5iO-i W5 & while operating the filter train at a flow rate of 2000 cfm + 10%. g ol 4 y U bW 0

  • S' A M c.5. d oc bpeg

$u aa-1 52. Ms,w *R PAE0W l'/ 7 P CALVERT CLIFFS - UNIT 2 3/4 6-28 ~.

4 - x-a I 00! TA::S'ENT SYSTEMS SURVEILLANCE REOUIRIMENTS (Continued) 2. Verifying that the HEPA filter banks remove > 99% of the 00P when they are tested in-place in accordance with 4 Wr t!510 1075 while operating the filter train at a flow rate of 2000 cfm + 10%. 3. Verifying within 31 days. after removal that 'a laboratory analysis of a carb6n sample Pe= eitu r at 1:: n e,,; t::t cenirte" +r et le=et Me ::rber ::mp10: removed from one of the charcoal adsorbers demonstrates a removal efficiency of > 90% for radioactive methy1' iodide when the sample. is tested in accordance with ANSI N510-1975 ($0*C, 95%. R.H.). The carbon samoles not obtained from' test canisters shall be prepared by emptying a representative sample from c an adsorber test tray section, mixing the adsorben: P [ thoroughly, and obtaining samples at least two incnes in c diameter and with.a length equal to the thickness of the bed. Successive samples will be removed from different g; test tray sections. 4. Verifying a system flow rate of 2000 cYm + 10% during I system operation when tested in accordance with ANSI N510-1975. c. After every 720 hours of charcoal adsorber operation by!eith;r: 1. Verifying within 31 days after removal that a laboratory analysis of a carbon sample ebtained #~r -test cent;ter d:m:n:tr:te; e ce.T.avel eTiiciency of i 901 Ter r: dice:tive =2thyl %dide when-de sa71e i:-testId in accordance with

  • AN3I H5iU-T975 (130%, wsk R.H. ) ; ur-2.

% ; Tying within 71 cays after removai that a iabore s-ry analy:f; ;f ei icesc tne cerber, LTeles demonstratela removal efficiency of > 90% for radioactive methyl iodide when the sam le)( A+r4 tested in accordance with ANSI N510-1975 30'C. 95% R.H.) ar.d tM 4amples are prepared ( CAL'.'CRT. CLIFFS - UNIT 2 3/4 6-29 Amendment No.h fo ~._ =m_

gi +

w ;.

CONTAINMENT SYSTEP.S SURVEILLANCE REQUIREMENTS (Conrinued) - by empty.ing a representative sample from an adsorber test C tray section, mixing the adsorbent thoroughly, and obtain-(I J ing samples at least two inches.in diameter and with a ( length equal to the. thickness of the bed. Successive )' samples will be removed from different test tray sections. 5 Subsequent to reinstalling the adsorber tray used for obtaining the carbon sample, the filter train shall be demonstrated OPERABLE by verifying that. the charcoal adsorbers remove > 99%-of a halogenated hydrocarbon. refrigerant-test gas when they art tested in-place.in accordance with A"b.I lGWl:75 whi' e' operating. the - ~ ventilation system t a flow rate af 2000 cfm + 10%. ~ d. At least once per 18 months by: 1. Verifying that the pressure drop across the combined HEPA filters and charcoal adsorber banks is < 6 inches Water Gauge while operating the filter train at a flow rate I-of 2000 cfm + 10%. 2. Verifying that the filter train starts on a Containment Isolation Test Signal. [ReyWy %:ws c.s.e ma kego 1/+4ery G>o.de. l.S Q 0 7. d oG 2 erd.sJo,J. 2 rnMcA /4 7 e i 3/4 6-30 Amendment No. /H (/o lr'ALVERTCLIFFS-UNIT 2 i m___m_____.___-.-.____-._.-_m ___m._

o S ~ ~ ~ ' -~ CONTAINMENT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) ...- -_ _ - - 3

\\

e. After each complete or partial replacement of a HEPA filter L' bank by verifying that the HEPA filter banks remove > 99% of i the DOP when they are tested in-place in accordance with AN9f-N5;G-iH5 while operating the filter train at a flow rate 1 of 2000 cfm + 10%. f. After each complete or partial replacement of a charcoal adsorber bank by verifying that the charecal adscrbers remove .f > 99% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with M I :::10-1375 while operating the filter train at a flow rate of 2000 cfm + 10%. I After maintenance affecting the air flow distribution by = g. testing in-place and verifying that the air flow distribution / is unifonn within + 20% of the average flow per unit when f- } tested in accordance with the provisions of Sectier. O cf W ( " Industrial Ventilation" and Section 8 of ANSI N61DIT975. p Re30lary PZas kegulAwy Pesbo s "4

c. s. A Asa. 0. 5. c c, F 12q u t r+ +o-y N>d. &.T cl c)C Rap m +or y S d w-t.52 E e'uaslo v R Od 6 er I9 Eero,s<oo R f fng 3nf y i p

[Tl arch 19 4. J 7 l L.' CALVERT CLIFF 5 - UNIT 2 3/4 6-31 Amendmer.:.No. 2 1

1 '. in ~.. PLANT SYSTEMS SURVEILLANCE REQUIREMENTS 4.7.6.1 The control room emergency ventilation system shall be demonstrated OPERABLE: a. At least once per 62 days, on a staggered test basis, by deener-P' gizing the backup control room air conditioner and verifying that the emergency control room air conditioners; maintain the air (( temperature 1 104*F for at least 12 hours when in the recircula-C) tion mode. b. At least once per 31 days by initiating flow.through 'each HEPA filter and charcoal adsorber train and verifying that each train operates for at least 15 minutes. c. At least once per 18 months or (1) after any structural maintenance on the HEPA filter or charcoal adsorber housing, or (2)'following painting, fire or chemical release in any e-ventilation rone commu'nicatina with the system by: Q wbu' A } Pob, 6 s o s.o rw a 0.S.5 oc R w 6 v L a., Isp Rev.w 2* nee i. Verifying that the charcoal adsorbers ' remove > 992, of a l 'N halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with AiCI lC10- 1975 (-- while operating the ventilation system at a flow rate of 2000 cfm + 10%. IKsynhy Pcs.+.cus 0 s Rh 0.s. cap Emeuqced,ICAbaoR w D;i r Verifying that the HEPA'filteF barik5 rimove > m or tne~h z.- DOP when they are tested in-place-in accordaiice with ANSf l N510-H75 while operating the ventilation system at a flow rate of 2000 cfm + 10%. 3. Verifying within 31 days after removal that a laboratory analysis of a carbon sample-f.um either aiHeest er,e test cerdst; cr at laart tric c:rbcr. Orplcs-removed frcm one of the charcoal adsorbers demonstrates a removal efficiency of > 90% for radioactive methyl iodide when the sample is tested in accordance with ANSI N510-1975 ()(30*C, 95% R.H.). The carbon samples not obtained from test. canisters shall be prepared by emptying a representative sample from l an adsorber test tray section, mixing the adsorbent thoroughly, and obtaining samples at least two inches in 1 diameter and with a length equal to the thickness of the 1 bed. Successive samples will be removed from different test tray' sections. 1 CALVERT CLIFFS - UNIT 2 3/4 7-18 Amendment No. 2,7 g L.___________

_f sx FLAf'T SYSTEMS SURVEILLANCE RETIREMENTS (Continued) l 4 Verifying a system flow rate of 2000 cfm + 10% during system operation when tested in accorde.nce with ANSI N510-1975. d. After every 720 hours of charcoal adsorber operation by +;i!m.. Verifying within 31 days after removal that a laboratory analysis of a carbon. sample ebtiin:d fr;m : test c;nister e -m:trate: a rc.aav.1 cificiency vi n 90; ico, dic,ac44+e methyl 10did; when t!e acmpie is testeo in accoroance with i ANSI N510--19E (100*C, 05"; *.::. ), vc Jecifyi.g "ithin 21 ty: fter

=1 thet-e-4tber.eteey cril/ci: Of it les t : : : rbc. ::mp100 demonstrat(a removal l

efficiency of > 90% for radioactive methyl iodide when the @~955 R.H. ), nd th:&amples are orecared by emptying asampleE ge+ tested in a repr'esentative sample from an adsorber test tray section, mixing the adsorbent thoroughly, and obtaining samples at N least two inches in diameter and with a length equal to the /. ' l thickness of the bed. Successive samples will be removed from different test tray sections. ) Subsequent to reinstalling the adsorber tray used for l obtaining the carbon sample, the filter train shall be demonstrated OPERABLE by also verifying that the charcoal adsorbers remove > 99% of a halogenated hydrocarbon j refrigerant test gas when they are tested in-place in ac:ordance with AN : "510-127" while operating the ventila- , tion system at a flow 'of 200[cfm + 10%. k3! PeguWy Poi,sies CS 4 Md-6 E c' a b uinby' Gok / sn Pat >,sa,a 2 ynneca r m l g i '1 l ( a CALVERT CLIFFS-UNIT 2 3/4 7-19 Amendment No. i 5 i i I i l

y P' ANT SYSTEb*.S SURVEILLANCE REQUIREMENTS (Continued)' e. At least once per 18 months by: 1. Verifying that the pressure drop across the combined HEPA filters and charcoal adsorber banks is < 4 inches Water Gauge while operating the ventilation system at a flow _ rate of 2000 cfm i 10%. 2. Verifying that on a control-room high radiation test sional the system automatically switches into a recircu-t lation mode of operation with flow through the HEPA tion valves h.a saca mira duct twa$c filters and charcoal adsorber banks and that he isola-om n%g NL A u,o mi,- u Mar.k A. + c, tr4 N*A trah Ao.%. b+, c6 f. After each complete or partial replacement of a HEPA filter bank by verifying that the HEPA filter banks remove > 99% of-the DOP when they are tested in place in accordance ~ith ANSI- [.p2000 r.fa 110%J 10 1975 while operating the filter system at a flow rate of s. After each complete or partial replacement of a. charcoal adsorber bank by verifying that the charcoal adsorbers remove ( > 99% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with AH9'i f:E10 '975 L while operating the filter system at a flow rr.te of 2000 cfm'1 { pos.sonst.s R M %g"j ff" ,N gp Erg o S)l Co. de l*5 % ' L.& I 52 k' " ' fZf,[,9 ;?. mMLgj I 4, V IMtCIl 19 l l - CALVERT CLIFFS - UNIT 2 3/4 7-20 ____.___________m.

e ' PLANT SYSTEMS C H I SURVEILLANCE REQUIREMENTS (Continued) 12eprMary GJ G F57 9ss3,e,q Q b y m e.-y 9 m R 6 e r 0. s. 4 e d 65.4 om i L 1. Verifying that the charcoal adsorbers remove > 99% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with ANS: "510--1 W5 E while operating the filter train at a flow rate of 3000 cfm +.10%. L b m 4.2[ ewe ~s.a se c.s.t oc %s 4,9 G A e ro pag.sao.2mmg@ 'p vertfyt1Tfthat The HEPA filter banis remove'>79% of the]( 2. DOP when they are tested in-place in accordaiice with ANS N510-is75 while operating the filter train at a flow rate of 3000 cfm i 10%. 3. Verifying within 31 days after ren. oval that a laboratory analysis of a carbon sample f-e-Mther at least-one--test canirAee-or-at-least-two-carbon-samphs-removed from one of the charcoal adsorbers demonstrates a removal effi-ciency of > 90% for radioactive methyl iodide when the sample is tested in accordance with ANSI N510-1975 (X30*C, 95% R.H.). The carbon samples rot obtained from test canisters shall be prepared by emptying a representative ( sample from an adsorber test tray section, mixing the adsorbent thoroughly, and obtaining samples at least two h inches in diameter and with a length equal to the thick-( ness of the bed. Successive samples will be removed from ( different test tray sections. p 4. Verifying a system flow rate of 3000 cfm 110% during system operation when tested in accordance with ANSI N510-1975. After every 720 hours of ch$rcoal adsorber operation byteither-c. .1. Verifying within 31 days after removal that a laboratory analysis of a carbon sample obtah ed 'rer : test-eae4+ter 4 e entrites a-removal efficiency c' _00%-for-radioactive e thyl ---i od4de-when-the-s ampl e-i s-tes ted-i n-a ccorda nce w&th ANSLN5M-475 -(130*C;-95%-RrH.-),-or ( CALVERT CLIFFS-UNIT 2 3/4 7-22 Amendment No.55, 60 9 w-_._-___

+.,.

,s t + y,; 7, q, L: !PLANTSYSTEM ,i SURVE*Lt.ANCE REOUIRE$ TENTS (Continued) '\\. VeWy4a;_HtMa 31 hyr atar-r;;;;:1 thet a leba*= tory e r.elys i s s ' o i. ican ww carbr. camplei demonstrate [a. removal efficiency of > 90% for radioactive methyl 'fodide 15 when the sampTi1QA)re tested in accordance with ANSI N510 - '1975 %30'C, 95% R.H.),:r.d th;Tamples are prepared by emptying a representative sample from an adsorber test ( tray section, mixing the adsorbent' thoroughly, and obtain- ) .ing samples at least two inches in diameter and with a-1ength ecual to the thickness:of the. bed. Successive ? i, samples will be removed from different test tray' sections. N l Subsequent to reinstalling the adsorber tray used for i obtaining the carbon sample, the filter train shall be demonstrated OPERASLE by also verifying that the. charcoal - g-adsorbers remove > 99% of a halogenated hydrocarbon s, refrigerant test gas when they are tested in-place in / accordance 'with ^!'!! "Ein le73 while operating the ventilation system at ailow rate of 3000 cfm + 10%. a .q 'd. At-least once per 13 months by verifying that the pressure jj' drop across tne combined HEPA filters and charcoal adsorber-banks is e 4 inches Water Gauge while operating the filter 'l 'l train at 'a flow rate of 3000 cfm + 10%. e3cidr bo$>4d95 O E k I 'd' 0' S' d #C' uin k ey {}>u.d a. 15Q $wbas&ro2 [Y)R{ck) l \\ 19nr ~ I s f CALVERT CLIFFS - UNIT 2 3/4 7-23 Amendment No. 27, 6p, ) 1 -'h ; e b

i I e.

4. ',

PLANT SYSTEMS l SURVEILLANCE REQUIREMENTS (Continued) I l e. After each complete or partial replacement of a HEPA filter bank by verifying that the HEPA filter banks remove > 99% of the DOP when they are tested in-place in accordance with ANfR- ^ g -) -N5101975 while operating the filter train at a flow rate of i f. 3000 cfm + 10%. f. After each complete or partial replacement of a charcoal adsorber bank by verifying that the charcoal adsorbers remove > 99L of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with n.m usiv.J; while operating the filter train at a flow rate of 3000 cfm + 10L. l g. After maintenance affecting the air flow distribution by f~ l testing in-place and verifying that the air flow distribution \\ t is uniform within + 20% of the average flow per unit when tested in accordance with the provisions of Secticn 9 of " Industrial Ventilation" and Section 8 of ANSI N510-1975. i 1 EgolAJo7 os.No C j l&by fb, bas h CEA M. C. S'.t or f2egolay Go.dv ' C.S. A /tvi C.F.d. # j O NWYOO R InnecM tvpy Ee$v > A %v % d.=-I.CQ ; j f2eojpg_,g mnecu n7r 1 \\ ~ l t ) CALVERT CLIFFS-UNIT 2 3/4 7-24 Amendment No. 21 i 1

[..,.. REFUELING OPERATIONS i SURVEILLANCE 'REQUIRD'Ei;TS (Continued) b. At least once per 18 months or (1) after any structural main-tenance on the HEPA filter or charcoal aosorber housings, or (2) following painting, fire or chemical release in any venti-lation zone communicating with the system by: 1. Verifying that the charcoal adsorbers remove > 99% 'of a halogenated hydrocarbon refrigerant test gas Enen they are tested in-place -in accordance with - ANSI "510-1975-while operating the ventilation system at a flow rate of 32,000 cfm + 100. l 3. D0P when they are tested in-place in accordaiice witn ME+P - Verifying that the HEPA filter banks remove > 995 of the l NE-Met?'75 enile operating the ventilation system at a flow rate of 32,000 cfm - 10%. l ~ 3. Veri,fying within 31 days after removal that a laboratory l analysis of a carbon sample % e4thar at laa n one-t st c.anister4r at 1cc;t --two ceibco 55.i@les removed from one /. k of, the charcoal adsorbers demonstrates a removal efficienc ' ( of > 90% for radioactive methyl iodide when the sample is Yested in accordance with ANSI N510-1975 0*C, 95 j R.H.). The carbon samples not obtained from tcanisterf f I shall be prepared by emptying a representative sample frcm ) an ads 6rber test tray section, mixing the adsorbent g thoroughly, and obtaining samples at least two inches in diameter and with a length equal to the thickness of the ' ( ) bed. Successive samples will be removed from differer.t ~ test tray sections. ~ N 4. ' Verifying a system flow rate of 32,000 cfm + 10% during system operation when tested in accordance with ANSI f N510-197 5. bAdM My Po s A-5M C.5 h ay%Ay lRga g,y,d of PW'N C. r. A. Nd. C.5, e e r h Sob 152 f2eis,had S*'d A y G. d<< W Neb >.5,W 4 N N M i km%ck) N7c- ,1 t ' CALVERT CLIFFS - UNIT 2 3/4 9-13 Amencment No. 6, 6 6 ____m________

f.: y 4.. 3,~ REFUELING OPERATIGNS 1 l: SURVEILLANCE REQUIREMENTS (Continuec) c. After every 720 hours of charcoal adsorber dperation by either: Verifying within 31 days after removal that a laboratory analysis of carben sample chi.ein;d 'rer : t::t :nkter d-~s ta tes -= ciel ufficier.cy cf 1 905-for radionetive methyl i di d hen ine sempleHHested in--accor-danc+-wkh ANSI N510-1975 (130*C, 952 et.H.); of-j. ":r4#y4ag "ithic. 31 days efter removai thel a laber ery-analysis #et least wc carbon-samphs demonstrat a removal efficiency of > 90% for radioactive methyl odide l g when the sample: 2rPJ:ted in accordance with ANSI N510-1975 (%30*C, 95% R.H. ),, and 'he templ es are prepared by. emptying _ a representative sample from an adsorber test ( tray section, mixing the adsorbent thoroughly, and obtain-N ing samples at least two inches in diameter and with a. length equal to the thickness of the bed. Successive ( samples will be removed from different test tray sections. ).k Subsequent to reinstalling the adsorber tray used for obtaining the carbon sample, the filter train shall be demonstrated OPERABLE by also verifying that the charcoal C. adsorbers remove > 99% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance with ANSI M510-19M while operating the k i ventilation system at aWlow rate of 32,000 cfm + 10%. ~ l C S'. R ad C C d ocY .rd s] cia 4rry %* L6,a s hr.sw 2 ma ^% g,, q L.a,i.sg CALVERT CLIFFS - UNIT 2 3/4 9-14 Amendment No. . G@ ~ e m____.__________...__.________________.___._.______

m-e <6 p g. j 4t l' h I REFUELING OPERATIONS SURVEILLANCE REQUIREMENTS (Continued) .d. At least once per 18 months by: 1. Verifying that the pressure drop across the combined HEPA filters and charcoal adsorber banks is < 4 inches Water Gauge while operating the ventilation system at'a flow rate of 32,000 cfm + 10%. l 2. Verifying that each exhaust fan maintains the spent fuel l storage pool area at a measurable negative pressure relative to the outside atmosphere during system operation. e. After each complete or partial replacement of a HEPA filter bank by verifying that the HEPA filter banks remove 3. 99% of the DOP when they are tested in-place in accordance with ACI H510-193 while operatir.g the ventilation system at a flow rate of 32,000 cfm + 10%. ! f. After each complete or partial replacement of a charcoal / adsorber bank by verifying that the charcoal adsorbers L remove 1 99% of a halogenated hydrocarbon refrigerant test ls gas when they are tested in-place in accordance with Atei-( n. -.m while operating the ventilation system at a flow l rate of 32,000 cfm + 10%. g. After maintenance affecting the air flow distribution by testing in-place and verifying that the air flow distribution i i ~ is uniform within + 20% of the average flow per unit when l tested in accordance with the provisions of Section 9 of i " Industrial Ventilation" and Section 8 of ANSI N510-1975. ~ [2 ego fA toy Pos a b.4 0TAAdl f spinby { g l NA c.S. d Q. S. q at:- Evg ok4evp Ov u e c 2 y fod.r),722, l S2 Bau.swa 2 f%ect-t nyg ~~ placea m7p 1 1 o A CALVERT CLIFFS - UNIT 2 3/4 9-15 Amendment No.75,77,100 i I mm emm _ - - - _ _ _ _ _ _.. _ - - _ _ _ _ _ _ _ - _ _ _ _ - _ - - - _ _ _. -}}

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