ML20082B304
| ML20082B304 | |
| Person / Time | |
|---|---|
| Site: | Susquehanna  |
| Issue date: | 09/16/1982 |
| From: | PENNSYLVANIA POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML20079F008 | List: |
| References | |
| FOIA-94-137 F1000, NUDOCS 9504050095 | |
| Download: ML20082B304 (10) | |
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A M SECTin E On H O
SPECIFICATION NO.
F1nnO e
SAFETY RELATEo D
OTMER QUALITY G
FILE NO.
538 - E1000 RON QUALITY O
PAGE 1
0F 10 DEtisu VEntFICATi n YE!O N03 TECHNICAL SPECIFICATION FOR I
1 ELECTRICAL RACEWAY DESIGN AND INSTALLATION 1
a OF FYPOSffRF FTRF RAWDTFDR AMT) CTMF CTnDC i
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'SUSQUENANNA STEAM ELECTRIC STATION, UNITS 1 AND 2 l
PENNSYLVANIA POWER & LIGHT COMPANY j
ALLENTBUN, PENIISYLVANIA
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O 4.u 7 F-1000 Revision i Page 2 INDEX Section Subject P_sje a
1.0 Scope 3
l 1.1 Description 3
1.2 General 3
l 1.3 Work Included 3
1.4 Work Not included 3
2.0 General Inferr.ation 3
2.1 General Requirements 3
2.2 Definition 3
2.3 Revision Indications 4
3.0 References 4
4.0 Technical Requirements 4
4.1 Fire Break Design 4
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4.2 Fire Break Construction 4
4.3 Exposuru Fire Barrier Design 5
.4 Exposure Fire Barrier Construction 5
(Typical for Insulation Blanket Material only) 4.5 Blanket Insulation / Barrier Board.
Banding. Taps and Mastic Materials 7
l 4.6 Exposure Fire Barrier Construction (Typical for TSI. Inc. Material) 7 4.7 TSI, Inc. Materials 9
5.0 Testing and Inspection Requirements 9
6.0 Preparation for Delivery 10 6.1 Definition 10 7.0 Quality Assurance Program 10 t
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1 0s 3 0 F-1000 Rsvisien 1 Page 3 1.0 SCOPE
1.1 DESCRIPTION
This specification describes the requirements for raceway exposure fire horriers and fire stops for the Susquehanna Steam Electric Station Unit I and Unit 2 in accordance with the performance, design and test criteria requirements described herein.
4 1.2 CENERAL l
It is not the intent to specify herein all details of design and construc-tion. It shall be the responsibility of the Seller to insure that the materials have been designed and fabricated in compliance with this specification and with all documents referred to herein as well as in accordance with good engineering practice.
1.3 WORK INCLUDED Furnish all the necessary insulating materials, installation details, tools, equipment and services. required for insulation of electrical raceway for the following:
1.3.1 Fire breaks 1.3.2 Exposure fire barriers 1.3.3 PP&L shall install all materials specified.
1.4 WORK HOT INCLUDED 1.4.1 Unionding and storage of all materials specified.
2.0 CENERAL INFORMATION 7.1 CENERAL REQUIREMENTS This specifiestion specifies the technical requirements for Exposure Fire 5 -
linrriers and Fire Stops which are intended to meet the various criteria as outlined in the NRC Branch Technical Position 9.5.1 Appendix A, and the American Nuclear Insurers / Mutual Atomic Energy Reinsurance Pool (ANI/MAERP)
Ntsndards. The Susquehanna Fire Protection Review Report commits to these Fire stops and Exposure Fire Barriers.
2.2 DEFINITION PP4L Engineering-NPE Civil Group Supervisor or his designee.
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p.1000 Revision i Page 4 2.3 REVISION INDICATIONS The margins of this specification are marked with a vertical line and revision number to indicate where changes have been made. This is done for information only and PPat assumes no liability whatsoever for inaccura-b cies in these notations. Bidders, Contractors and other Non-NPE organ; a-tions are cau-ioned to evaluate the requirements of this document based on the entire c
'nt irrespective of the marginal notation and relationship of the last ps,fious issue.
3.0 REFERENCES
The work to be performed under this specification shall conform to the applicable provisions of the latest revisions of the following documents.
If a conflict exists between any of these documents and this specification, the specification shall govern, a.
NRC Branch Technical Position 9.5.1 Appendix A b.
American Nuclear Insurers / Mutual Atomic Energy Reinsurance Pool (AN1/MAERP) Standards c.
Susquehanna Firc Protection Review Report d.
Nuclear Department Instruction - QA-8.2.3, Quality Assurance Requirements for Fire Protection and Related Systems.
e.
Operational Policy Statement (OPS) - 1 4.0 TECHNICAL REQUIREMENTS 4.1 FIRE BREAK DESIGN 4.1.1 The purpose of Fire Br'eaks is to stop propagation of ftre in vertical and horizontal cable trays.
4.1.2 Fire Breaks shall be installed in vertical cable trays and in j
covered trays every 15 ft.
Fire barrier penetration seals provide a fire I
brenk where they are installed.
4.1.3 Fire Breaks shall be made from an Insulation Blanket and mastic conting, or PP&L Engineering approved equal, see Section 3.5.
4.2 FIRE BREAX CONSTRUCTION (Typical For Insulation Blanket Material Only) l 4.2.1 Fire Breaks shall completely encapsulate the cable tray for six to eight inches (nominal Min. Dimension).
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Revision 1 Page 5 4.2.2 If the cable tray is not completely filled with cables Insulation Blanket, the same width as the cable tray shall be inserted over the enbles in sufficient layers to bring the outer surface of the Insulation Blanket even with the top of the tray sides and completely fill all void spaces.
4.2.3 One layer of Insulation Blanket will then be wrapped completely around the cabic tray.
The blanket shall be secured with stainless steel atraps.
4.2.4 The open ends of the Fire Break shall be packed with Bulk Insulation Fiber and sprayed with Mastic Coating to a 1/2 inch wet thick-i none so as to completely seal the cable tray / cable / Insulation Blanket interface.
4.3 F.XPOSURE FIRE BARRIER DESIGN 4.3.1 Exposure Fire Barriers shall be installed on electrical cable trays, conduits and junction /terminsi 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 junction / terminal boxes in one hour rated barrier system.
4.3.3 The purpose of Exposure Fire Barriers is to prevent damage, during a 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> complete engulfment 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.
4.3.4 The Exposure Fire Barrier construction system shall also encase all raceway support steel within 18 inches of the protected raceway.
4.4 EXPOSURE FIRE tiARRIER CONSTRUCTION (Typical For Insulation Blanket Material Only) 4.4.1 Exposure Fire Barriers shall completely encr.psulate the indicated cable tray or conduit for the entire length specified.
4.4.2 If the cable tray is not covered and is not completely filled with cables. Insulation Blanket, he inserted over the cables in sufficient layers to bring the outerthe same width as the c surface of the Insulation Blanket even with the top of the tray sides.
4.4.3 The first completely around the perimeter of the cable tray with the ends of the(interio binnket ovsrlapping a minimum of 3 inches.
Adjacent blankets shall be placed tightly together so as to prevent any gaps in the butt joints between blankets.
This layer shall be held in place by High Performance Filament Tape
- paced not more than 14 inches apart and not less than 4 inches from butt joints.
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4.4.4 The second (exterior) layer of Insulation Blanket shall wrap
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completely around the perimeter of the interior layer and must also have s
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minimum 3 inch overlap. The overlap of the exterior layer shall be offset from the overlap of the interior layer but still remain on the top of the tray. The exterior layer blankets shall be installed such that the butt joints between adjacent exterior blankets are offset at least 12 inches f rom the butt joints between interior blankets.
4.4.5 The exterior blankets shall be secured in place by stainless f
steel straps installed not more than 14 inches apart and not less than 4 inches f rom exterior butt joints. The tensioning of the straps shall be suf ficient to hold the blanket snugly in place without causing any suf fi-1 cient cutting of, or damage to, the blanket material.
4.4.6 A protective outer wrap of Aluminized Zetex is to be secured independently of the Kaowool blanket with Polyken 237 tape. This outer wrap shall be installed after the stainlass steel straps. The "zeten" shall have a minimum 3 inch overlap. The overlaps in the outer wrap shall be offset f rom the overlaps in the previous layer but still ressin on top of the tray. A single layer of Polyken 237 tape will be made over all
- c joints. (The above is typical for all barriers constructed with Insulation B1'nket Material Kaovool.)
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4.4.7 Where adjoining cable tray or conduit or tray support members attached to, or come into contact with the tray to be protected, the attaching or contacting member shall also be wrapped with two layers of Insulation Blanket as necessary to ensure complete coverage of the protected i
tray. No gaps or openings shall be allowed.
4.4.8 Conduits mounted on exposed unistrue shall be insulated in the j
same manner as cable trays, except that no fi!.ler blanket is required.
4.4.9 Conduits mounted on embedded unistrut, flush to a wall, shall be covered with two layers of Insulation Blanke. The blanket shall exterd a minimum of two inches onto the, surface of the wall. The edges of the binnket shall be secured to the wall by steel strips and concrete expansion 1
l nnchnrn or an equivalent fastening method approved by the Nuclear Plant Engineering (NPE) Civil Group Supervisor or his designee.
4.4.10 Exposed, non-supported cable transitions (air-lined) from conduit to tray or from tray to tray shall be wrapped in two layers of Blanket. Each layer shall wrap around the cables with an and overlap of l
not less than 3 inches. The blankets shall be secured by tying with Woven l
Tape at 14 inch maximum intervals.
j 4.4.11 At locations where the protected tray or conduit penetrates a i
a fire barrier in a ceiling, floor or wall, both the interior and exterior
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layers of Insulation Blanket shall be cut and installed such that the 1
blankets will fit snug against the firestop. The juncture will then be nenled with mastic costing. The mastic will be sprayed or troweled completely around the Insulation Bisnket to not less than 1/4 inch thick-1 l
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ness..c4 shall extend not less than 8 inches onto the exterior of the blanket and the surface of the fire barrier and ceiling floor or vall.
4.5 BLANKET INSULATION / BARRIER BOARD BANDINC. TAPE AND MASTIC MATE (Fire Breaks. Separation Barriers and Exposure Barriers) 4.5.1 Insulation / Blanket consisting of interlaced ceramic / glass fibers, one inch thick. 8 lb. per cu. ft.. vidth and lengths are required.
l Babcock and Wilcox, Kaovool or PP&L Engineering approved equal.
4.5.2 Formed barrier board consisting of ceramic fibers and bindern.
thicknean und site as required. Babcock and Wilcox, Kaovool M Board or PPAL Engineering approved equal.
(.1 unction / Terminal box covers.)
4.5.3 Protective outer wrap joint tape. Polyken 237, 2" vide. 2 mile thick, afg. by Kendall Corp., Polyken Div. or PP&L Engineering approved equal.
f 4.5.4 Aluminized protective outer wrap consisting of glass cloth.
Babcock and Wilcox. Zetex Style 800, or PP&L Engineering approved equal j
4.5.5 High Performance Filament Tape for securing insulation Blanket Number 89 or PP&L Engineering approved equal.on electrical cable tray and c 4.5.6 Woven Tape for securing insulatinn Blanket in electrical cable trny shall be a refactory silica product. 1 inch wide by 0.125 inch nominni thickness with selvaged edges. Haveg Industries. Inc. Siltemp Code Number WT65-1 or PP&L Engineering approved.
4.5.7 285. manufactured by Carboline Fire Proofing Products Division, or PPA Engineering approved equal.
4.5.8 Calvanized' steel strips and concrete expansion anchors, or equivalent fastening method approved by the NPE Civil Group Supervisor or his designes, for attached Insulation Blanket to valls.
4.5.9 and conduit shall be 3/4 inch vidth by.020 inch thick Type 304 stainlessS a
sesel.
4.5.10 Bolts, nuts, washers and other fasteners shall be electro-galvanized or cadmius placed.
4.6 EXPOSURE FIRE BARRIER CONSTRUCTION (Typical For TSI Inc. Material) 4.6.1
" Approved Equal" barrier system, subliming compound. Thermo-Lag 330-1 water based spray coating, afg. by TSI. Inc. consisting of Thermo-Las 351 Primer, or Thermo-Lag Stress Skin Type 330-69 and Thermo-Las 351 1
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Page 8 Primer plus Thermo-Lag 330-1 Subliming Compound, for use on raceway, junction /terminai boxes and support steel.
4.6.2 The Thermo-Lag Stress Skin Type 330-69 shall be installed as follows:
a)
Secure with the raceway or support steel.
b)
The stress skis primer intact.
s' c)
Free of foreign substances prior to application of Theran-Lag 330-1 Subliming compound.
d)
Completely encasing the raceway or support steel.
4.6.3 The Thermo-Leg 330-1 Subliming Compound shall be applied by spraying or troweling to the Stress Skin.
The final dry film thickness of Thermo-Lag 330-1 material shall 4.6.4 p
be one-hsif inch (1/2 in.) minimum and three-fourths inch (3/4 in.)
The finish shall be free ~of texture irregularities (i.e. blis-maximum.
ters, spalling, fissures, separations, etc.).
4.6.5 The repair of any surface textural irregularities shall have all I
damaged and loose material removed back to sound adhering material.
A knife or scrapper is acceptable. The edge should be undercut to form a beveled edge as in plaster repair. All foreign matter should be ressoved i
irom the substrate using a wire brush. Thermo-Lag 330-1 Subliming Compound I
shall be added to achieve the required dry film thickness.
I Surface temperature of the substrate to receive Thermo-Lag 330-1 J
4.6.6 Subliming Compound shall be 40*F or higher prior to application of Thermo-Las 330-1 Subliming Compound.
Prior to applying additional coats or layers, a surface reading 4.6.7 of 80 or less shall be obtained using a Delmhorst Moisture Mater (Model DP) or PP&L Engineering approved equal.
When the TSI. Inc. material is applied to cable tray in areas 7
4.6.8 which do not have automatic fire protection, the following shall be added after the final pass:
b a)
Additional Thermo-Lag material, if necessary, to produce a wet surface.
b)
Apply TSI. Inc. Fiberglass Armoring to the wet surface.
o c)
Flatten out any wrinkles and embed the fiberglass securely.
h d)
Apply sufficient material to cover the embedded fiberglass.
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Remove all sags, drips or other surface imperfections.
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The completed installation should be within the tolerance A
indicated in Subsection 4.6.4 or the derating effect shall be analyzed by Nuclear Plant Engineering.
t 4.7 TSI INC. MATERIALS 4.7.1 The material supplied shall be accompanied by a certificate of conformance by the manufacturer that the material is as specified on the purchase order, or bear the Underwriter Laboratories (U.L.) label.
4.7.2 Thermo-Lag 330-69 Stress Skin with Thermo-Lag 351 Primer.
4.7.3 Thermo-Lag 351 Primer.
4.7.4 Thermo-Lag 330-1 water based subliming coating compound.
4.7.5 Fiberglass Armoring.
4.8 DOCUMENTATION All records generated as a result of this specification shall be included in the appropriate Quality Assurance Records File and SSES Records Manage-ment System File.
5.0 TESTING AND INSPECTION REQUIREMENTS 5.1 Quality control shall check that all fire stops are installed in accordance with this specification.
5 5.2 QualityControlshallcheckthatallBlanketThpeExposureBarriers are installed in accordance with this specification, and that each blanket layer completely encompassen the raceway.
5.3 Quality Control shall check that all TSI inc. Type Exposure Barriers are installed in accordance with this specification.
5.4 The following additional. requirement shall be checked for the TSI Inc type installation:
able for use.)
(Consercial quality measuring devices are accept-a)
Proper installation of the Thermo-Lag Stress Skin or 351 Primer.
b)
Proper temperature (above 40'T) of the substrate to which Thorno-Lag 330-1 is to be applied.
c)
Propor Dry Film Thickness prior to recast.
d)
Proper dryness between coats.
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Inspection for surface blemishes in final surface.
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Proper methods for repair work.
l 6.0 PREPARATION FOR DELIVERY 1
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This section is not applicable to this specification.
1 7.0 QUALITY ASSURANCE PROGRAM t
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7.1 Nuclear Department Instruction - QA-8.2.3 shall apply to the activities
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7.2 Materials used for this specification are not unique to the Nuclest Industry and are commercially available.
7.3 For PP&L internal use of this specification, the Quality Assurance Program Requirements shall be as required by the scope of Operational
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Policy Statement - 1.
7.4 For use external to PP&L. the Quality Assurance Program Requirements shall be as required in the purchase documents or contracts and specifica-tions for the saterial/ services.
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