ML20082C364

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Spec Change Notice 3 to Rev 3 to TS F1000, TS for Design & Installation of Electrical Raceway Fire Barriers
ML20082C364
Person / Time
Site: Susquehanna  Talen Energy icon.png
Issue date: 10/14/1988
From:
PENNSYLVANIA POWER & LIGHT CO.
To:
Shared Package
ML20079F008 List:
References
FOIA-94-137 F1000, NUDOCS 9504060315
Download: ML20082C364 (4)
v • d • e


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s 9504060315 941114 Revise Para. - 1.2.2, 4.4.

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. g, jTechnical Specificatior[F1000, Revision 39shall be chYnged,as detailed ~

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.; '1 1 Revise paragraph 112.2 to read: $g 3 }. f i e - 1.2.2 PP&L';- Iiistall all materials iri accordance with this l $ j specification..! PP&L may exercise:6ption to contract out work

  1. ; performed unrbrj this specification to' an o'u tside vendor on a -

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'(.' ' 2.jRevise paragraph 4.2.3.10b to read: .

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! g 4.2.3.10b Fill ihterior of tray'.or coat conduit with a minimum  !

0- of 8 inches Inte'rmastic 235 coatingS ( minimum 4 inches on _

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Internal' and external banding of cable / trays shall use S 4.2.3.13 V j stainless steel bi5ds that areil/216ch'.(minimumNto 11 inch -

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(maximum) ivide; and 0.020 (-0,+0.01) inches' thick. "

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, V n 4.2.3.14 Procedure to wrafp cable trays should be,gs noted 10 below:

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pf a) Install Thermo-lag boards to sides and bottom or back

' (vertical trays) of cable trays. Spacing of tray banding i

f r the side and bottom' sections of Thermo-lag should be r a maximum of 12 inches. This may be accomplished by

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i placing the two sides and bottom pieces .of TSI on the tray and installing banding at 24 inch ' maximum spacing.

) Place the top piece (precoat with Thermo-la*g 330-1) on the tray and install banding on 24 inch centers staggered with the previously installed bands. The final installation 4

3 should have banding on the sides and bottom i <.

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'*h 3 l,i pieces at l'2 inch intervals and banding on the top cover at 24 inches.

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4 j b) Install Zetex (or equal) witii Polykein 237 tape'or Sil-

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j Temp tubing on part of banding atop cables. Extend Zetex fdc ) and Polykeln tape or Sil-Temp tubing just beyond the j'. exterior- edge of the cable tray.

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! c) Install Thermo-lag board to top.of trays per this j/ e.

specification and band per' paragraph 4.2.344a.

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J Insure barid entering . tray is scaled off witht'Ihermo-lag G .. y 330-1 'trowelable material. .

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F . 4.2.3.15 Appendix A, TSI Technical Note 20684, Rev. V, Section s p;.f f I, Paragraph E (page I-10) does not apply. Training is the 39' responsibility of;the contractor. All workers are to be properly -

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trained in the forming and application of the Thermo-lag under &

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'.f . 6. Add sentence to Section 4.4:  :>

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s All materials shall be supplied under quality classification Fl!

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.7. Revise Section 5.0 as follows:

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installed by PP&L or the GPA contractor are installed in '

e accordance with this Specification.

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