ML18044A747
| ML18044A747 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 03/19/1980 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML18044A746 | List: |
| References | |
| NUDOCS 8004110026 | |
| Download: ML18044A747 (1) | |
Text
,.. -:losure l SUPPLEMENT NO. l TO FIRE PROTECTION SAFETY EVALUATION REPORT PALISADES PLANT DOC KET NO. 50-*2 5 5 3.2. l Cable Penetration Firestop Qualification Our SER noled that the licensee would provide results of tests to demonstrate the ability of existing and new cable penetration fire-.
stop designs to prevent propagation of a severe fire equivalent-to an ASTM E-119 exposure fire.
By letter of September 29, 1978, Consumers Power Company provided results of testing of various cable penetration firestop designs.
Although these tests were not per-formed with a significant pressure differential acros.s the seal with the higher pressure on the exposed side, we find that such conditions would not affect the ability of these firestops to wi~hstand a severe fire.
We have reviewed this test data and find that these tests demonstrate the ability of the tested firestop designs to withstand an ASTM E-119 3-hour exposure fire.
Based on these results, we find that the tested firestop designs satisfy the provisions of Appendix A to BTP9.5-l and are therefore acceptable.
As noted in Section 3.1.3, the licensee has committed to install and upgrade cable *penetration firestops that are consistent with the test-ed designs.
Accordingly, this item has been sat:isfactorily resolved.
3.2.5 Non-Approved Components Our SER noted that certain fire detectors were being used in the fire detection system that were not approved by a recognized testing labor-atory.
By letters of July 28, 1978 and. September 15, 1978, the licensee indicated that fire detector spacing and location will be in accordance with NFPA-72E, "Automatic Fire Detection." Although in cer-tain locations photo-electric type detectors are being used that are not approved by a recognized testing laboratory, we find that sufficient other type detectors that are approved by a recognized testing labor-
. atory will be used to afford prompt defection capability.
We find that the fire detection system satisfies the guidance contained in Section 2.0 of our SER and is therefore acceptable.
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