ML081230269

Tech Spec Pages for Amendments 305 and 288 Regarding Maximum Ventilation System Filter Pressure Drop

ML081230269
Person / Time
Site:	Cook
Issue date:	04/28/2008
From:	NRC/NRR/ADRO/DORL/LPLIII-1
To:
tam P, NRR/DORL, 415-1451
References
TAC MD5931, TAC MD5932
Download: ML081230269 (2)

Text

Programs and Manuals 5.5 5.5 Programs and Manuals 5.5.9 Ventilation Filter Testinq Progqram (VFTP) (continued)

ESF Ventilation System Face Velocity (fpm) Penetration (%) RH CREV System ESF Ventilation System FHAEV System NA 1

45.5 46.8 5

5 95 95 95 In addition, the carbon samples not obtained from test canisters shall be prepared by either:

1.

Emptying one entire bed from a removed adsorber tray, mixing the adsorbent thoroughly, and obtaining samples at least two inches in diameter and with a length equal to the thickness of the bed; or

2.

Emptying a longitudinal sample from an adsorber tray, mixing the adsorbent thoroughly, and obtaining samples at least two inches in diameter and with a length equal to the thickness of the bed.

d.

Demonstrate for each of the ESF systems that the pressure drop across the combined HEPA filters and the charcoal adsorbers is less than the value specified below when tested at the system flowrate specified below:

ESF Ventilation System CREV System ESF Ventilation System FHAEV System Delta P (inches water.qaugqe)

Flowrate (cfm) 4 4

4

_>5,400 and _<6,600

Ž22,500 and <27,500

_27,000 and _<33,000

.Cook Nuclear Plant Unit 1 5.5-9 Amendment No. 287, 2-98, 305

Programs and Manuals 5.5 5.5 Programs and Manuals 5.5.9 Ventilation Filter Testing Program (VFTP) (continued)

ESF Ventilation System Face Velocity (fpm) Penetration (%)

RH (%)

CREV System ESF Ventilation System FHAEV System NA 1

45.5 46.8 5

5 95 95 95 In addition, the carbon samples not obtained from test canisters shall be prepared by either:

1.

Emptying one entire bed from a removed adsorber tray, mixing the adsorbent thoroughly, and obtaining samples at least two inches in diameter and with a length equal to the thickness of the bed; or

2.

Emptying a longitudinal sample from an adsorber tray, mixing the adsorbent thoroughly, and obtaining samples at least two inches in diameter and with a length equal to the thickness of the bed.

d.

Demonstrate for each of the ESF systems that the pressure drop across the combined HEPA filters and the charcoal adsorbers is less than the value specified below when tested at the system flowrate specified below:

ESF Ventilation System CREV System ESF Ventilation System FHAEV System Delta P (inches water gauge)

Flowrate (cfm) 4 4

4

_>5,400 and _<6,600

Ž_22,500 and <27,500

->27,000 and <33,000 Cook Nuclear Plant Unit 2 5.5-9 Amendment No. 269, 2-7-9, 288