ML20207Q503

Proposed Tech Spec Section 3/4.7.2,changing Recirculation Sys Air Flow Acceptance Criteria for Control Room HVAC Sys

ML20207Q503
Person / Time
Site:	Clinton
Issue date:	01/20/1987
From:	ILLINOIS POWER CO.
To:
Shared Package
ML20207Q491	List: ML20207Q503 U-600821, Application to Amend License NPF-55,revising Tech Spec Section 3/4.7.2 to Change Recirculation Sys Air Flow Acceptance Criteria for Control Room HVAC Sys
References
NUDOCS 8701270438
Download: ML20207Q503 (4)

Text

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• ATTACHMENT 2 to U-600821 page 1 ef 4 PLANT SYSTEMS

- 3/4.7.2 CONTROL ROOM VENTILATION SYSTEM h f 0f YD 0N LIMITING CONDITION FOR OPERATION -

f'

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3.7.2 Two independent Control Room Ventilation Systems shall be OPERABLE.1 APPL IC_ABI LITY: All OPERATIONAL CONDITIONS and *.

ACTION:

a. In OPERATIONAL CONDITION 1, 2 or 3 with one Control Room Ventilation System inoperable, restore the inoperable system to OPERABLE status within 7 days or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLO SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

b. In OPERATIONAL CONDITION 4, 5, or *:

1. With one Control Room Ventilation System inoperable, restore the 1 inoperable systerr to OPERADLE status within 7 days or initiate and traintain operatior. of the OPERAELE system in the high radiatior, mode of operation.

2. With both Control Roort Ventilation Systerrs inoperable, suspend CORE ALTERATIONS, handling of irradiated fuel in the secondary containment and operations with a potential for draining the reactor vessel.

c. The provisions of Specification 3.0.3 are not applicable in OPERATIONAL CONDITION 8 SURVE]LLANCE REQUIREMENTS 4.7.2 Each Ccntrcl Roon Vertilation Syster shall be ce cnstrated OPERAELE:$

a. At least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by verifying that the control room air tempera-ture is less than er equal to 86 F.

i

b. At least once per 31 days on a STAGGERED TEST EASIS by initiating, from the control roort., flo. through the HEPA filters and charcoal adsorbers and verifying that the makeup filter system operates continuously for at least 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> with the heaters op(rating; and with flo,e through the retircula-t{ct c*a-cci ecsc-ter 'cr at least 15 rin tes.

l 8701270438 870120

' PDR ADOCK 05000461 P PDR ,

• When irradiated f uel is being handled in the secondary containment.

l TThe operability require: rent f or the Control Roorr Ventillation System is l

suspended Lttil the i r.t i a l fuel lcad is completed and prior to placing the rectic r::e w ith ir 5't V for the iritial crit icelity.

C. a w , - u,:: : 3. .: 7-2 1

ATTACEMurr 2

' ts U-600821 page 2 cf 4 PLANT SYSTEMS CONTROL RODM VEN11L A110N SYSTEM SURVEILLANCE REQUIREMEN15 (Continued) 4.7.2 (Continued)

c. At least once per 18 months or (1) after any structural maintenance on the makeup or recirculition HEPA filters or charcoal adsorber housings, or (2) following painting, fire or chemical release in any ventilation zone communicating with the makeup or recirculation filter system by:

1 Verifying that the makeup filter system satisfies the in place penetration and bypass leakage testing acceptance criteria of less than 0.05% and uses the test procedure guidance in Regulatory Positions.

C.S.a, C.S.c, and C.S.d of Regulatory Guide 1.52, Revision 2, March 1978*, and the system flow rate is 3000 cfm i 10%.

2. Verifying that the recirculation filter system satisfies bypass leakage testing acceptance criteria of less than 2% total bypass and uses test procedure guidance in Regulatory Positions C.5.a and C.S.d of Regulatory Guice 1.52, Revision 2, March 197E', and the systen i I

flow rate is 62,;;?,cfm 2 101.

46hooo 3 Verifyinc, within 31 days af ter removal, that a laboratory analysis of a representative carbon sample obtained in accordance with Regula- '

tory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978* ,

meets the laboratory testing criteria of Regulatory Position C.6.a of Regulatory Guide 1.52, Revision 2, March 1978* , for a methyl iodide penetration of less than 0.175% for makeup filter system carbon ad- )

sorber and 6% for recirculation filter system carbon adsorber when tested; in accordance with ASTM D3803-79 methods, with the following parameters:

Matt Up Filter Systew a) Eed Depth - 4 inches b) Velocity 40 fpm c) Temperature - 30*C d) Relative Humidity - 70%

Recirculation filter Syster e) Bed De;th - 2 irches b) \Eic:ity -

EC fpr c) le :.e r ature 30'C Eelat'st Hu-idity - 70%

c)

4. Verifyinc flow rate of 3000 cfm i 10% for the makeup filter system and 6999& pfm 210% for the recirculation filter system during opera-7 tion when tested in accordance with ANSI N510-1960.

64000

' u. . : si;0-lii: s*a oe ese: ir ;;a:e cf AN!: NL15-19?i a: n'eececin E( ; . -:: ., J ce ; Er  : e . ' s i r - 2 .  : - c 19 ~ 5 .

C ;i t,';N - US:11 3r4 7-4

.- ATTACBMENT 2 ts U-600821 M8* 3 d '

PLANT SYSTEMS i

CONTROL ROOM VENT]LATION SYSTEM SURVEILLANCE REQUIREMENTS (Continued) 4.7.2 (Continued)

d. After every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of charcoal adsorber operation, by verifying within 31 days after removal, that a laboratory analysis of a representative carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978*, meets the laboratory test-ing criteria of Regulatory Position C.6.a of Regulatory Guide 1.52, Revision 2, March 1978*, for a methyl iodide penetration of less than 0.175't f or the makeup filter system carbon adsorber and 6't for the recir-culation filter system carbon adsorber when tested; in accordance with ASTM D3803-70 methods, with the following parameters:

Make Up Filter System a) Bed Depth - 4 inches b) Velocity - 40 f or c) Temperature 3PC d) Relative Humidity - 701 Recirculation Filter System a) Bed Depth -

2 inches b) Velocity -

80 fpm c) Temperature 30 C d) Relative Humidity -

70't

e. At least once per 18 months by:

1. Verifying that the pressure aro . across the combined HEPA filters and chartcal adsorber banks is les:- than 6 inches Water Gauge while operating the askeup filtet syster at a flow rate of 3000 cfm ! 201.

2. Verifying that on a high chlorine actuation and a manual initia-tion test signal, the system automatically switches to the chlorine made of operation and the dampers close within 2 seconds.

3. Verifying that the control room leal rate is limited to < 4000 cfm

10'l at > 1/E-inch Water Gauge (W.G. ) with respect to adjatent areas.

4 'eri' in; trat cr a 5 :ie rent a:t ation t(51 sig 51, tN syste-a ,.t or s t i c a ll) swit;hei 10 the sr M E NCe of Cpe' aliOn at a floc rate less than cr ecsil it W y;000 fr : 10i. l N

5. Vcrifying that on a higt. radiatier, actuation test signal, the syster automatically switches to the high radiation mode of operation and "MG: M ':-19E s ts'1 be used i in r' ace e' M 5] h 10-1975 as refe-erced in Re p atc GJce 2. M , Fe is r- 2. % ;* IEE C ] CON - 3:7 ; 3/4 -5

ATTACIDEltT 2 ts U-600821 page 4 cf 4 PLANT SYSTEM 5 CONTROL RODM VENTILATION SYSTEM SURVEILLANCE REQUIREMENTS (Continued) 4.7.2 (Continued) the control room is maintained at a positive pressure of at least 1/8-inch W.G. relative to the outside atmosphere during system operation at a flow rate less than or equal to 3000 cfm.

6. Verifying that the makeup filters heaters dissipate 16 1 1.6 kW when tested in accordance with ANSI N510-1980.

f. After each complete or partial replacement of a HEPA filter bank in the makeup filter system, by verifying that the HEPA filter bank satisfies the in place penetration and bypass leakage testing acceptance criteria of less than 0.05% in accordance with ANSI N510-1980 while operating the system at a flow rate of 3000 cfm 10%.

g. After ea:h complete er partial re;1acenent of a charcoal adsorber bank i r: the ra' ear or recirculatier. filte systems, by verifying that the char-coal aoscrber bank satisfies the in-place penetration and bypass leakage testing acceptance criteria of less than 0.05% for the makeup filter syster and Zi total bypass leakage for the recirculation filter systen in accordance with ANSI N510-1950 for a halogenated hydrocarbon refrigerant test gas while operating the makeup system at a flow rate of 3000 cfm 101 and the recirculation filter system at a flow rate of 697400,1 10%. l 64,0o0

h. At least once per 18 months by verifying that the air inleakage rate into the negative pressure portions of the Main Control Room Ventilation System doctwork located outside the Main Control Room habitability boundary between fan OVC04CA(B) and isolation dampers OVC03YA(B) inclusive, and fire darpers OVC042YA(E), OVC042YE(F), 0VC042YC(G) and OVC042YD(H) to be

< 65D cfr when testeo in accordan:e with an NRC-approved test method. In at:itic , sisually verify the ir.teg<ity of the Recirculation filte- Hcasing flexitie ccr.nection tc the fan.

C;:s C,- ts:- -. 3.4 -E L