ML20082C350

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Spec Change Notice 2 to Rev 2 to TS F1000, TS for Electrical Raceway Design & Installation of Exposure Fire Barriers & Fire Stops
ML20082C350
Person / Time
Site: Susquehanna  Talen Energy icon.png
Issue date: 03/26/1984
From:
PENNSYLVANIA POWER & LIGHT CO.
To:
Shared Package
ML20079F008 List:
References
FOIA-94-137 F1000, NUDOCS 9504060310
Download: ML20082C350 (3)


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'I (SPECIFICATION 84l@ffglg{

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,' ELECTRICAL RACEWAY DESIGN AND $

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.. INSTALLATION OF EXPOSURE FIRE BARRIERSI-5 t*

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-.STEAll ELECTRIC STATION, UNITS 1 AND 2 j! Y' STLVANIA POWER:& LIENT CORPA i

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REPLACEMENT PAGE 5 AND 10 l 9504060310 941114 .

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'Berision 2 c 9..  ; tr, p Spec. Change Notice #2

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  1. 3 .- .4.2.2 If tha ab e tray is not emple sly filled vi ca es Insulation "d ?- Blanket, the'ysame width as th's cable tray shall be ins'arted ever the cables 4 in suf ficient*1a {ers to bring the outn surf ace of th~e Insulation Blanket even with thshe {of the tray sides and completely' fill all. void spaces. The insulation mater al is to be sandwiched between the cables and the cover. N' I~ The covers arelsecured per drawing E-49.

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  • E 4.3 EXPOSURE FIRE BARRIER DESIGN 4.3.1 Exposure \lFire Barriers shall be installed as necessary on electrical cable trays, conduits and junction / terminal boxes at locations specified per Susquehanna Fire Protection Review Report Appendix "A".

4.3.2 Exposure Fire Barriers shall be made by encasing the cable trays, conduits and unction / terminal boxes in one or three hour rated barrier system.

4.3.3 The purpose of Exposure Fire Barriers is to prevent damage, during complete engulfmant fire, to electrical cables serving one division of equipment required for safe shutdown of the plant when redundant safe shutdown divisions occupy the same fire area. . .

4 4.3.4 The Exposure Fire Barrier construction system shall also encase all ,

raceway support steel within 18 inches of the protected raceway.

f I 4.4 EXPOSURE FIRE BARRIER CONSTRUCTION (Typical for Insulation Blanket Material only) '

4.4.1 Exposure Fire Barriers shall completely encapsulat~e the indicated cable tray or conduit f or the entire length specified.-

3 l 4.4.2 If the cable tray is not covered and is not completely filled with cables, Insulation Blanket, the same width as the cable tray, shall be inserted over the cables in sufficient layers to bring the outer surface of the Insulation Blanket even with the top of the tray sides.

t 4.4.3 Thefirstl(interior)layeroftheInsulationBlanketshallwrap completely around the perimeter of the cable tray with the ends of the blanket overlapping a minimum of 3 inches. Adjacent blankets shall be placed tightly together!so as to prevent any gaps in the bitt joints between blankets. This layer shall be held in place by Righ Perfoir.ance Filament Tape spaced not more than 14 inches apart and not less than 4 inches from butt joints.

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Spec.. Change Notice #2 8.C.N.' Fage 3 of.3 d . ,\ i .b f4.8 DOCUMENTATION

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.'All records generate 'a result of this specification shall be included in

. the, appropriate Quality] Assurance Records File and SSES Reebrds Management Systen File. . .,

5.0 TESTING AND INSPECTION REQUIREMENTS

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. . . Quality Contro 1 check t a

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stops'are stalled in 9 e dan a with the o'cification .

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'7 5.2, Quality Control s 11 check that all Elsaket Type' Exposure Barriers are

  • installed in accordance}with this specification, and that each blanket layer completely encompasses the raceway.,

5.3 Quality Control shall check that all TSI Inc. Type Exposare Barriers are -

installed in accordance with this specification.

)k 5.4: The following additional requirement shall be checked for the TSI Inc. -

type installations (Commercial quality seaturing devices are acceptable for use.) ,

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a. Proper installation of the Thermo-Lag Stress Skin or 351 Primer. "
b. Proper temperature (above 40'F) of the substrate to which Thermo-Lag  %

330-01 is to be; applied. ,

Proper Dry Pilm. Thickness prior to recoat.

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d. Proper dryness between coats.
e. Inspection for surface blemishes in final surface.

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f. Proper methods for repair work. ,

I 6.0 PREPARATION FOR DELIVERY This section is not applicable to this specification.

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7.0. QUALITY ASSURANCE PROGRAM 7.1 Nuclear Depart at Instruction - QA-8.2.3 shall only apply to the activities of this specification which involve fire barriers. [E 7.2 Materials used 'for this specification are not unique to the Nuclear Industry and are commercially available.

7.3 For PP&L internal ulse of this specification, the Quality Assurance Program Requirements shall be as required by the scope of Operatidnal Policy Statement - 1. {

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