ML20076J196

Rev 0 to Technical Note 20684-EIH, Thermo-Lag 330 Fire Barrier Sys Installation Procedures Manual Prepared for Bechtel Power Corp,For Georgia Power Co

ML20076J196
Person / Time
Site:	Hatch
Issue date:	10/23/1985
From:	THERMAL SCIENCE, INC.
To:
Shared Package
ML20076E803	List: ML20076H283 ML20076H441 ML20076H449 ML20076H453 ML20076H461 ML20076H472 ML20076J172 ML20076J178 ML20076J182 ML20076J187 ML20076J191 ML20076J196
References
FOIA-93-230 20684-EIH, NUDOCS 9410250152
Download: ML20076J196 (52)

Text

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APPENDIX III TO THERMAL SCIENCE, INC.'S RESPONSE TO THE UNITED STATES NUCLEAR REGULATORY COMMISSION'S LETTER DATED 10 SEFFEMBER 1991 Enclosure 41 TSI Technical Note 20684-EIH THERMO-LAG 330 Fire Barrier System Installation Procedures Manual Prepared For Bechtel Power Corporation, For Georgia Power Company, Edwin I. Hatch Power Plant REV O October 23,1985 i

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S TSI TECHNICAL NOTE 20684 - EIH THERMO-LAC 330 FIRE BARRIER SYSTEM INSTALLATION PROCEDURES MANUAL DAT OT ISSUE: AUGUST IS, 1985 Ac'N ISIC W W

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PREPARID FOR:

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BECHTEL P0kT.R CORPORATION -

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EDEN I. MTCH POER PLANT /MSd6hf 80dcT # #2'

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9 TSI TECHNICAL NOTE 20684 TABLE OP CONTENTS PACE NO.

SECTION I GENERAL DESCRIPTION 1-0

1.0 INTRODUCTION

1-1 2.0 FIRE BARRIER DESIGNS 1-1 2.1 Prefabricated Panel Design 1-2 2.2 Preshaped Conduit Section Design 1-2 2.3 Direct Trovel-On Design 1-2 2.4 Flexi-Blanket Design 1-3 3.0 MATERIAL COMPONENTS 3.1 THIRMO-LAC Stress Skin Type 330-69 1-4 3.2 THERMO-LAC 330-1 Sublining Material 1-4 3.3 THERMO-LAC 351-2 Primer 1-4 3.4 THERMO-LAG 350 Two Part Topcoat 1-4 3.5 Approved Tie Wires and Banding 1-4 SECTION II INSTALLATION PROCEDURES 2 i 1.0 CENERAL REQUIRIMEh"IS 2-1 1.1 Qualification of Contractor 2-1 1.2 Safety Precautions 2-1 '

1_.3 Storage _ _ _

g 2-1' 2.0 Y '"!

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2.1 Prefabricated Panel Ready Access Designs f for Cable Trays 2-2 /

• 2.2 Prefabricated Panel Design for Jun ion J

% .__ _ _ _ Boxes 2-5 p C: 4* ','

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3.0 WRAP ZONE INTERTERENCES) 2 h 23 PRESHAPED CONDUIT SECTION DESIGN FOR CONDUIT,  ! .4 CABLE DROPS AND INSTRUMENT TUBING 2qW k 2.3,l -6et Installation of One Hour or Three Hour q 2.t S( G sug)"..

Tire Barrier Design 2M 1

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TSI TECHNICAL NOTE 20684 '

TABLE OF C0h7ENTS 0g C0h71NUED 9  :

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4.0

.i.4L Ih7ERTACES 2W' Q 1

.[.; Installation'of One or Three Bour

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Conduit and a Fenetration Seal 22M Y .2 Installation of One or Three Bour I

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Self Supporting Interface Between f )

'lConduit er Instrument Tubing and a o S NallorCeiling 2- 1) .Y y k.3InstallationofOneandThreeEcur .?  !

d.8', / Interface Between a Cable Tray and [ 2' I a conduit 2- 6 5.o ]

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DIRECT TR0kTL-ON DESIGN 2- fi 1.1 THIRMO-1.AG 351 Primer Application Y 2dM \

,[ c. ft. 2 THERMO-LAG 330-1 Subliming Material

/ A ) Trowel Application '

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pF T 3 , Dry Film Thickness Measurements ^

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SECOS III- - n.O: !'^P'ZT u!

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M THERMO-LAG 330-660 TLEXI BLANKET THERMAL BARRIER DESIGN FOR CONDUITS. CABLE DROPS 3 L CANDUITu AND INSTRUMENT TUBING g 3-1 ,'

4s. STRucTurac3u ppo e.TO C',, 6,g % nstallation of a One Bour Fire Rated

.8/ iDesign - Blanket Wrap 3-1 4/ I 6.'14 4 Installation of a Three Bour Fire

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TSI TECHNICAL NOTE 20684.

4 TABLE OF CONTEhTS q 5

CONTINUED

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6. 4 Q. gnInstallation

- Cet Layers of a Three Hour Fire Rated

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• "*8' RIPAIR PROCEDURES 3-14 g,..t.

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6ve CABLE ADDITION /REPLACEME2;T PROCEDURIS 3-15 l

9.o M POST APPLICATION PROCEDURES 3-15 ATTACHMENT A RECOMMENDED ON SITE QUALITY CONTROL PROCEDURES 3-16 ATTACEMEhI B RECOMMENDED LIST OF INSTAL 1ATION TOOLS 3-18 i

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TSI TECHNICAL NOTE 20684 LIST OT TICURES

.TICURE NO. TITLE PAGE NO.

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1 TERMO-LAG 330 TIRE BARRIER SYSTEM PRETABRICATED PANIL EADY ACCESS DESIGN FOR CABLE TRAYS SOLID BOTTOM OR LADDER TRAY-BOTTOM TRAY DETAILS 2-3 2 TERM > LAG 330 TIRE BARRIER SYSTEM PRETABRICATED PANEL READY ACCESS DESIGN FOR CABLE TRAYS SOLID BOTTOM OR LADDER TRAY TIRE BARRIER ASSEMBLY 2-4 3 THERMO-LAG 330 FIRE BARRIER SYSTEM PREFABRICATED. PANEL DESIGN FOR JUNCTION BOXES SURTACE MOUNTED JUNCTION BOX 2-6 4 THERMO-IAC 330 TIRE BARRIER SYSTEM ,

PRETABRICATED PANEL DESIGN FOR JUNCTION ['\

BOXIS

.N-JUNCTION BOX NOT SURTACE MOUNTED '. 'M-8 jQ"/ 2-10 h

5 TYPICAL WRAP ZONE INTERTERENCE , J / :.-

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6 TYPICAL 20NE-9GERFERENCES .. - ,.: .

7 THERMO-LAG 330 FIRE BARRIER SYSTEM [',

PRESHAPED CONDUIT SECTION DESIGN v

TOR CONDUIT, CABLE DROPS AND INSTRUMEh"I ,. it.

TUBING

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LTAY INTERTACE / ' n~. 'M WITH A  :- 7 q' _

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PRETABRICATED PAS 2-17 W A LL D E C c I L,1 *L'D[.3 ,

9 TYPICALTHIRMO-LAGRACEVAYINTibCE WITH A PENETRATION SEAL USING PRETABRICATED PAhTLS 2-I8 iv

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, . TSI TECHNICAL NOTE 20684 LIST OF TICURES CONTINUED TICURE NO. TITLE PACE NO.

10 THERMO-1AC 330-660 TLEXI-BLAhT.ET THERMAL BARRIER ONE HOUR DESIGN 3-3 11 THREE HOUR THERMO.-IAC 330-660 TLEXI-BLANKET 3-6 j 12 THER.MO-1AG 330 PRETABRICATED PANEL AND TRERMO-LAC 330-660 TLEXI-BLANKET DESIGNS FOR STRUCTURAL SUPPORTS AND l EANGERS 3-8 1

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m THERMO-LAG 330 FIRE BARRIER SYSTEM INSTAL 1.ATION PROCEDURES MAhTAL SECTION I GENERAL DESCRIPTION I

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SEC!10R 1

_ CINDAL DESCRIPTION a

1.0 INTRODUCTION

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This section escribef the TEDE-uC 330 Fire Barrier System and its material components. The System is comprised of THERMO-MC Stress Skin Type 330-69 and THERIC-1AC 330-1 Sub11 ming hterial. The System may be installed as Prefabri-cated Panels, Freshaped Sections, Flexi-31ankat, or by direct trowel methods.

It is used to protect cable trays, conduit rops (cables in free spac.e),

junction boxes and structural supports an ngars.

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2.0 FIRZ RARRIIR DESIGR5 Four (4) basic designs of the TEDE-MG 330 Fire Barrier System have applications in nuclear power generating installations. These four (4) desips are:

...... Prefabricated Panels Design ......

...... Freshaped Conduit sections Design ......

...... Direct Trowel On Design ......

...... Flezi-31anket Design ......

,e Each of these basic designs have been approved for installation in unclear pland facilities by the American Nuclear Insurers and are installed in a number of pla.nts accepted for operational licensing by the helear Regulatory Concission.

The material components of each design are identical with the azception of the Direct Travel On Design. Each of the first two (2) designs are comprised of TEDJo-MG Stress skin Type 330-69 and TEDH)-MC 330-1 Subliming hterial.

The following paragraphs highlight the major steps involved in installing these designs. The more detailed sequential steps involved in installing these designs are described in Section II.

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l 2.1 Psafabricated Panel Desire o

The Prefabricated Panel Design is fitted and installed at the jobsite from TED00-uc 330-1 Prefabricated Panels.

submer of sections required to form the Fire Barrier from the TED0D-MG Thisinstallationinvolvescuttin Prefabricated Panels and then mounting the sections on the component to b< g protected using approved stainless steel tie wires er other approved fasteners. The assembly is completed by filling in the scored areas and il g joints with TEDoc-uG 330-1 Sublialms Material - Trowel Crede. The ,e /

Prefabricated Panel Design shall be used to protect cable trays rops, (cables in free space), conduit, instrumentation tubing, juncti ses, and structural supports.

- This design is preferred over alternative spray applicatio designs because it eliminates the overspray protection requirements of the direct spray-on method.

2.2 Preshaped Conduit Section Desire

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The Preshaped conduit Section Desigm is shipped to the jobsite ready for installation. Installation involves mounting the preshaped conduit sections on l

the conduit or cable drops to form cylindrical sections around the conduit or I cable drop, and then fastening the sections together with approved stainless steel tie wires or banding material. The precoating of the sections prior to installation and the filling in of gaps or openings at the edges or joints of the assembled sections is accomplished using TED00-uG 330-1 Subliaing l Material - Trowel Crade, as required.

The Preshaped Conduit Section Design shall be used to protect conduit, cable drops and instrumentation tubing. As with the Prefabricated Panel Design, this design is also preferred over alternative spray application designs because it eliminates the overspray protection requirements of direct spray-on methods.

2.3 Direct Trovel On Design

' The Direct Trovel On Design shall be used for pratecting cable tray, conduit, cable drops, unction boxes and structural supports. This design involves an initial spr y, push or roller application of THERMO-1.AG 351 Primer over the properly p ared surface, or 330.69 stress skin installation, followed by the trowel application of THERMO-LAG 330-1 Sub11 ming Material - Trovel Grade, in the dry film thickness required to provide the specified level of fire resistance.

1-2

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.4 2.4 THEMO-LAC 330-660 Flexf-Blanket Thermal Barrier Design The TEMO-LAG 330-660

, Flexi-Blanket Thermal Barrier Design is comprissd of

'a high temperature, subliming, heat blocking, flexible thermal barrier which is reinforced on both sides with a low density, fiberglass cloth, further implemented by a heat blocking thermal catalizer.

designs are assembled from these materials as follows:One and three hour fire rated The one hour fire rated design consists of two each 0.250 inch minimum thickness layers of the TEMO-1.AG 330-660 71exi-Blanket Material.

The three hour fire rated design consists of five each 0.250 inch minimum thickness layers of the TEMO-LAC 330-660 Flexi-Blanket Material.

The TEMD-lac 330-660 Flexi-Blanket Thermal Barrier Design is used to protect conduit, supports flex conduit, cable drops, pu11 boxes, condulets, structural and hangers.

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3.0 MATERIA 1. CCMPONDrTS

. The material comporants which shall be utilized in the various designs of the TEDX>-LAC 330 Fire hithr System are as follows:

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3.1 THERMO-uc Stress Skin Type 330-69 This material provides the strong mechanical base for the TERM >1AC 330*-1 Subliaing Material. It is comprised of a pretreated open weave, self stif f ened, steel mesh and is used to provide an enclosure over cable trays, conduits and other items.

3.2 THERM:)-LAC 330-1 Subliming Material This material provides the level of fire resistance specified for the installation.

It is a water based, subliming, thermally activated fire resistive material which volatilizes at fixed temperatures, exhibits a volume increase throut,h the formation of a multi-cellular matrix, and blocks heat to protect the substrate material to which it is applied.

This material can be supplied in a sprayable grade (TilERMO-LAG 330-1 Sub11 ming Material - Spray Crade) for direct spray-on applications, or in a trowel grade consistency (TEERMO-LAC 330-1 Subliming Material - Trowel Crade) which is suitable for troweling or caulking type applications. It is further msed in the fabrication of Prefabricated Fanels and Preshaped or Preformed Sections.

3.3 TE*.MO-LAC 351-2 Primer i

This is a corrosion-inhibiting primer which is applied to properly prepared steel surfaces at a spread rate of circa 200 sq. f t. per gallon. This material l will be applied to structural supports prior to the application of the Direct Trovel-On THIRMN (ublimine_Battrial, l

3g e = 1 mow !

3.4 TRERMO-LAC 350 Two Part ' Topcoat"-

This material provides protection against water flow and climatic variations, chem-l cal attack and physical abuse. It is applied at a spread rate of 50 sq. ft, per gallon.

3.5 Approved Tie Wires and Bandins The tie wires and the banding material approved for attaching the TERMO-LAC 330 Fire Barrier Systee shall be 18 ga. minimum standard stainless steel wire and 0.020 inch minime by inch minima standard stainless steel banding.

The use of other fasteners requires engineering approval prior to installation.

1-4  !

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F THERMO-LAG 330 FIRE BARRIER SYSTEM INSTALLATION PROCEDURES MAbTAL SECTION II INSTALLATION PROCEDURES 1

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INSTALMTION PROCEDURES l

This section sets forth the sequential steps involved in the installation of the TEERMo-LAC 330 Fire Barrier System to cable traya, conduit, cable dropa, junction boxes, and structural supports. i I

1.0 CENERAL RIQUIRDENTS i

I 1.1 Qualification of Contractor The application shall be performed by a qualified contractor who has had prior training in applying the materials and who has the equipment required to perfors, the application.

1.2 Safety Precautions l

1 The contracter shall follow standard industrial safety practices established for the handling of chemical coatings and shall confort to applicable OSEA and safety rules in all aspects. i l

1.3 Storare The TRERMO-LAC 330 Fire Barrier System materials shall be stored off the ground when not in use in totally enclosed and weather protected areas provided for this purpose. i l

The Pref abricated Patels and Preshaped or Preformed Sections do not require ,

any temperature protection. The Bulk Materials such as TERMO-LAC 330-1 i Subliming Material -4 pray or Trowel Crade, or the TERMO-LAC 350 Series Topcoat and THERMO-LAC"351 Series Primer shall be protected against freezing and fro: temperatures above 200T. i 2-1

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2.1 PR.ETABR1CATED PANEL R.IADY ACCESS DESICNS FOR CABLE TRAYS Installation of the Prefabricated Panel Ready Access Design to cable trays

' involves cutting the number of sections tequired to form the Fire Sarrier from one or three hour fire rated THIPMO-1.AC Prefabricated Panels, and then sounting the sections on the cable tray to be protected usira stainless steel tie wires. The sequential steps involved in installing this fire barrier' design onto the cable trays are described in the following paragraphs. The one bour fire panel has a nominal thickness of ag" and the three hour panel has a moninal thickness of 1". l 2.1.1 Installation of the One Bour or Three Bour Ready Access Fire Barrier Design a, Cut a piece of material large enough to form the bottom section free a cr.e hour or three hour rated Pref abricated Panel. The width of the botton l cection shall be equal to the sum of the base plus both side rails of the cable tray plus an allowance for the height of the v-stiffenera. The l 1ength of the bottom section shall not exceed 6.5 feet. 1 J

b. Form a "If'-shaped bottom section by scoring the panel and bending 90 l degrees to provide for the side panels. Note that the stress skin shall always be placed inward, up against the surface requiring protection.

c. Cut a piece of s.aterial large enough to form the top section from a one hour or three hour rated Pref abricated Panel. The width of the top section shall be equal to the base of the cable tray, plus the thickness of each of the two sides of the bottes U-shaped section. The length of the top section shall not exceed 6.5 feet.

d. Mount the U shaped bottom section on the cable tray using stainless steel tie wires as shown in Figure 1. The maximum spacing between l the tie wires shall not exceed 12 inches. A

e. Attach stainlessthe flattietop steel section wires to theas or banding installed shown inbottom Figure section

2. using [

The maximum spacing between the tie vires or banding shall not exceed 12 inches.Q6[+v[na end of peeJpewid he'.5peteWeQ .

f. Attach additional top and bottom sections to previously installed l sections by butt joining them together at their ends.

g. Complete the installation by filling in the edges and joints with TEEFM>-1.AG 330-1 Sub11 ming Material - Trovel Crade.

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' > TICURI 1

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1 2.2 PRETA3RICATED PANEL DESIGN FOR JUNCTION 80XES i l

Installation of the Pref abricated Panel Design on a junetton box involves cutting sections of one or three hour fire rated THERMO-LAC Prefabricated.

Panel large enough to provide a "U" shape around the junction box and then mounting the sections onto the junction box, using stainless steel bands or other approved fasteners. The sequential steps involved in

• j installing the fire barrier design are described in the following paragraphs. j t

2.2.1 Installation of One Hour or Three Hour Fire Barri/r\ Design '

FOR A SURFACE MOUNTED JUNCT10h *

a. Cut a section from a one hour or three hou e rated Prefabricated Panel large enough to form the top,(f ront 'nd bottom' panels and i required top and bottom flanges of the ire barrier assembly. The width  !

of the section shall be equal to the width of the junction box plus an additional 1/4-inch to provide for sufficient cle e when installed.

The length shall be equal to the sum of the top, front nd bottom of the junction box plus 2 flanges large. enough to c tJe approved f asteners and an additional 1/2 inch to prov M en earance when installed. An additional allowance shall be;prov ' d ?/fgo height of the "v"-stiffeners. "#*4f y

b. Score the Prefabricated Panel section to shape the top, front a '

bottom panels and two flanges of the fire barrier enclosure.

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c. Form the top, front, and bottom panels and top and bottom flanges by making 90 degree bands. Note that the stress skin shall be placed inward a g surface requirin prote .

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d. Mount the *:CMU gy$$k o q;p.g ~

n scygt he wa yN gN ceiling using approved concrete eners. The concrete fa ers shall be spaced at a maximu= distance of 12 inches with at least two concrete fasteners being ed per flange. The concrete asteners shall be site approved ' . ,

ancho of /(inch minimum diaan ns_talled_per tanda te proce . I!O;g @ 3 #* y _ S "J '" $ ggg g gg ,, ,

e. Cut two sections f one hour or three hour fire rated bricated Panel for the side panels of the fire barrier enclosure. Cut holes for conduit penetrations in the top, front and bottom panels as required and  ;

then cut the panel or panels into two pieces to facilitate installation '

around the conduit. Mount the side panels on the installed' top, front and bottom section enclosure using stainless steel bandin s shown in Figure 3.

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f. Complete the installation by filling all edges and joints and covering exposed anchorages with %" or 1", as applicable, of TEAMSMC 3W1 Sub11 ming hterial - Trowel Crede.

FOR A JUNCTION 90X 3107 StrRJACE M0tfhTED

g. Cut a section from a one or three hour fire rated Prefabricated Fanel large enough to form the top, front, and bottos panels of the fire barrier assembly. The width of the section shall be equal to the width of the junction box plus an additional 1/4 inch to provide for sufficient

, clearance when installed. The length shall be equal to the sum of the top, front, and bottom of the junction box plus an additional 1/2 inch to provide sufficient clearance when installed.

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. j. Cut anotbh aiietion froe s one or three hour fire rated Prefabricated Panel large enough to form the side and back panels of the fire barrier assembly.

Cut holes for conduit penetrations in the side and back panels as required and then cut the panel or panels into two pieces to facilitate installation around the conduit.

k. Score the Prefabricated Panel section to shape the side and back panels ,

of the fire barrier enclosure.

1. Fors the side and back panels by making 90 degree bends.

m. Mount the two fire barrier sections on the junction box and fasten i /[-

l the two sections T together using stainless steel bandin[dr . sky S FI6 Re~ - _ _ . . ~ _

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m. Complete the installation by filling all edges and joints with TERMS uG 330-1 Subliming he trial - Travel Crade.

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l Installation of the THIRMO- MC Preshaped Conduit Section Design on conduit, cable drops and instrument tubing involves mounting two of the semi-circular i preshaped conduit sections at a time, and fastening them together using s,tainles M eel tie wires or banding. The sequential ateps involved in intelletic this fire j 1er design are described in the following paragraphs.

D M '" h sitni[L Consial 4rt Installati n of one our or Three Hour Fire Barrier Design 2.b.\ i l .

a. Precoat the edges on one of the one or three hour fire rated TEERMO-LAC Preshaped Conduit Sections with a one quarter to a one half inch bead of THERMO-LAC Subliming Material - Trovel Grade.

b. Mount the coated section and one other one or three hour fire rated section on the conduit, cable drop or instrument tube with the edges flush with each other to form a cylindrical section around the conduit, cable drop or instru=ent tube. Fasten the two sections together using stainless steel tie wires or banding installed at 12 inch intervals, maximum, as shown in Figure 7 _ _

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c. Co=plete the installation by filling gaps and joints with THERMO- 4 330-1 Sub11 ming Material - Trovel Crade, as required. 44,, ),

d. Apply a one quarter to one half inch bead of THERMO-LAC 330-1 Sub11 ming Material - Trovel Grade to_the end of the installed section, and attach ,,.

the next section making sure that the ends are butted and flush.

AS AN OPTION

e. Assemb3e two one or three hour Preshaped Conduit Sections on the conduit, cable drop or instrument tube without preapplication of the THERMO-LAC 330-1 Subliming Material - Trovel Grade to the edges and end joints.

After installation, fill in all gaps or openings at the edges or joints with THIRMO-LAC 330-1 Subliming Material - Trovel Grade.

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0p 3.0 WRAP ZONE 1h'TERTERENCES yp@9 Comoaear )

a. To prevent thermal shorts into the fir barrier system, all ,

. penetrations (i.e. secondary supports, lectrical or seismic) into the fire barrier system, should be fire protected to the same level of fire resistance as the r gn .j for a distance of at least 18 inches minimum as measured from the outer surface of the fire barrier; covering all continuous paths. (A fire test report regarding the eighteen inch minimu= fire protection requirement is, presented in TSI's Technical Note 84-12-181). _- *,

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c. All 4 designs n be used - prefabricated panels, preformed conduit sectio lexi-blanket and direct trowel on.

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m ls. 9 INTE R.FACYS Installation of cable tray, conduit and instrusent tubing interfaces with penetration seals, walls, ceilings, and other raceways is accomplished using either Prefabricated Panel or dir ct trowel in methods. Typical installations using these methods are briefly described and illustrated in the following paragraphs.

h 41 Installation of one or Three Bour Interfaces Between a cable Tray or

! Conduit and a Penetration Seal cvj llCUllC#5r.IT K.1.1 Cut and form a box. shaped and flanged section frot a one/r th ee ,

hour rated pref abricated Fanel as is showr. in figura@ The  ;

minima height of the flange shall be sufficient to cover the wall opening andticcomoda_tp approved concrete fastenera. Ilote that the t 1 stress skin shall al ys be placed inward, up against the surf ace requiring protection. _- _

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.1.2 Mount the four sided and flanged section, using approved concrete l fasteners, installed at 12 inch intervals maximus, and two per flange  !

minimum, to fasten the section to the concrete wall. Use stainless steel tie wires or banding installed at 12 inch maximum intervals to l

{j secure the four sided section to the tray or conduit. Fill in gap seams and cover mounting bolts with trowel grade material.

.2 Installation of One or Three Bour Self Supporting Interf ace 3etween Conduit or Instroent Tubing and a wall or Ceilina,g gl 1 h m

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4.'2'.1 Cut ano form a three sided and flanged sectio free a one or three bour rated prefabricated panel as shown in Figur The minimum height of the flange shall be sufficient to provide or the concrete fasteners.

l J-4 2.2 Mount the three sided and flanged section on the cable tray or conduit t

using approved concrete f asteners to secure the section to the wall l

or ceiling.

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.2.3 Apply a coating of TEAM >-1.AC 330-1 Sublizing Material - Trovel Crade in a dry film thickness of .500"(4.125 -0) for one. hour protection and 1.000" (+0.25, -0) for three hour protection to the edges and joints f.

of the installed section using a trovel or stif f bristle brush to fill 1- in any gaps or holes.

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( 33 Installation of one and Three Hour Interface Between a Cable Tray 1

and a Conduit

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3.1 Install a one hour or three hour fire rated Prefabricated Panel j Ready Access Design on the cable tray following the instructions given in Section 2.1.

O J4j3.2 Install a one hour or three hour fire rated Preshaped Conduit section on a conduit or cable bundle penetrating a cable tray I

fire barrier for a minimum distance or eighteen inches from the point of penetration.

6 3.3 Apply a coating of THERMO-LAC 350 Primer to the horizontal structural

(/ support member and to the vertical structural supports from the j horizontal support member to the ceiling, wall or floor support prior

/ to the trowel application of one or three hour fire protection. Also

/,j/j /applytheprimercoatingtoapenetratingstructuralmemberfora minimum distance of 18 inches f rom its point of intersection with a

'y / cable tray fire barrier prior et the trowel application of one or

g # three hour fire protection.

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4 Trowel apply a coating of THERMO-LAC 330-1 Sub11 ming Material -. Trowel Grade in a dry film thickness of .500" (+.125 -0) for one hour fire protection and 1.000 (+.25. -0) for three hour fire protection.

t 0 DIRECT TR0llEL-ON DESIGN I

r 1 1 THERMO-LAC 351 Primer Application T

U 1.1 Prepare the surface of the bare or previously painted steel component for i application of the THERMO-LAC 351 Type Primer by removing any dirt, scal"e, f rust, or other contaminants. Never apply _the primer directly over any i hard or glossy painted surface without roughening the surface in

( accordance with standard painting practices.

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( 1.2 Make sure that the cleaned steel surface is compatible with the THERMO-LAC N 330-1 Subliming Material by making cross hatch adhesion tests as follows:

,ve ge". ? NOTE: a. Dull galanized (hot dipped) structural members need not be primed.

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b. Previously painted structural members may be wrapped with stress skin (330-69) as an alternate.

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The primer is cut over an arse apprestaately 4" by 4" in a sguare matria, each.pquare being approximately V by V. A bigh quality tape is applied diagonally to the square. Dron completion of the tape application,

, it is rubbed in firmly to assure good adhesion. With one complete jerking motion, the tape is removed. If more than 3 percent of the Primer is removed from the surface, the application is faulty. This test should

, be performed in areas which are deemed critical. Opon completion of the

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• Wess Esteh Adhesion Test, the test areas should be coated again with the

'/TEIRM> LAC 351-2 Primer by either brushing or light spray.

. [j Always apply a barrier coat of TutAMo-1AC 351 Type Primer over

. .J / steel surfaces which have been previously primed with a sine based primer. All doubtful surf aces should be removed using mechanical

? cleaning methods.

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>1.3 Apply the Primer to the properly prepared steel surface in one i

continuous coat using spray equipment, brush or roller. The minimum i acceptable dry primer thickness should be 0.002 inches which is

) mormally achieved by applying at a spread rate of circa 200 sg.

ft. per gallon.

1.4 Measure Primer thickness using an approved magnetic direct reading gauge.

1.5 Make cross hatch adhesion tests on the primed surface to assure proper adhesion between the primer and the surface of the steel ites prior to proceeding with the applicat4on of the TEIRM>1.AC 330-1  !

subliaing hterial.

C 1.6 Coat the primed steel.syrface area _vith TEIRMO-LAC 330-1 l

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THERMO-LAC 330 TIRE BARRIER SYSTEM INSTALLATION PROCEDURES MANUAL SECTION III TLEX BLANKET NOTE: THERMAL SCIENCE, INC. HAS SUCCESSTULLY PASSED BOTH ONE AND THREE l BOUR TIRE TESTS, USING THERMO-LAC 330-660 TLEX BLANKET MATERIAL. TE TESTS WERE WITNESSED BY A REPRESENTATIVE OF THE AMERICAN NUCLEAR INSURERS (ANI).

THERMAL SCIENCE. INC. IS AWAITING WRITTEN ACCEPTANCE BY ANI, WHICH WE l ANTICIPATE RECEIVING IN nLE NEAR TUTURE.

BECHTEL P0kT.R CORPORATION WILL BE NOTIFIED UPON THERMAL SCIENCE INC.'S i

RECEIPT OT TORMAL ANI ACCEPIANCE LETTERS.

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TEDX0-1AC 330460 FLEXI-31ANKET TEMA1 BMLA.1D DE11CH 701 t.0 '

C0KDU175, CA3L,1 DROPS FLEX CONDU17. AMD INS!*tMDif TV311C Installation of the TEM >1AC 330460 Flui-31anket Thermal Barrier Design to conduit, cable drops, flu conduit, and instrwent tubing involves cutting l blanket wrap eeetions fron a sheet ef TMDM> LAC 3)o460 Fleal-Blankat l Material, and then wrapping the entity to be protected with the required number l 4

of layers of blanket, to provide one or three bours fire resistance. The sequential et s involved in applying the fire barrier design are described ta the fell n N

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1 Installation of a Doe Bour Fire Rated Desire - 31sniet Wrap f

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5i h,1.1 Cut the first blanket wrap layer f ran a sheet of one bour TEDuo-v> 33D-460 Flext-31ankat Thersal Barrier material in the width ---

requir o o everlap the diameter of the conduit, flam conduit.ddr esA y drop bundle er instroent tubing by at least two (1) Anches. ~

r The 1e'iigili of the first layer shall be sufficient to enclose the total

$ or a portion of the total length of the entity to be protected.

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k 1.2 f/ Wragbe first layer of the one bour Fle.xi-31anist material around the m..ggMvYh ,.Jto be protected, (2) inches. taking care to everlap the material by at

~ aast two  !

V M 1.3 Secure the first layer of the one bour Flazi-31aniet material to the entity asing 18 ga. miniarJE otalaleas ateel tie wirsa er 0.5" m 0.020" l minima stainless steel banding matfrial. installed at a ="imum of si.x (6) int b u .p% 4 ..a .g b g 4J,1.4 GwN y J -_ .g Cut and install additional first layers of one bour Flexi-Slanke***

material in the same manner as described in Steps fl.1through 1. 3. .

t.411mg care to butt join the first layer pieces. I q,g ,j l

Cut the second blantet wrap layer from a sheet of one bour TEDM>1AO

\A 1.5 31D-660 Flext-Blanket Thermal Barrier material in the width required 4

y N to overlap the installed first layer by at least two (2) Anches.

The length of the second layer shall be at least four (4)-imebes 1,Y.b 1ess than the first layer to provide for an adequate overlap

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when installing an additional second layer over the first layer.

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L .6 Wrap the second layer of the one hour Flext-Blanket material around the installed first layer taking este to overlap the material by at least two (2) inches, and locate the overlap 180 degrees opposite frca that of the prior layer.

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kt,1.7 Seal the overlapped sean using THIM>1AC 330-1 Subliming Trowel i

Crade Eterial. Yi =

' .J fk(/ i 1.8 Secure the second layer of the one hour Flext-Blanket: material ar punt I

the first layer using 18 ga. minima stainless steel tie wires et =_!

0.5" m 0.020" sinima stainless steel banding material, talle #

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at a maxiara of six (6) inch intervals.

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Cut and install additional second layers of the o 4 r Flext-Blanka

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/ material in the same manner as described in Step .5 througb( @

taking care to butt join the second layer pieces nd to secure the

.j butt joint using 18. ga. alaims stainless steel tie wires or 0.5" z I C.020" minime stainless steel banding mat ial. A schematic of this I fire barrier design is shown in Figure p .' -

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.1.10 Fill in any gaps and joints with the TEIM>1AC 330-1 Sublimiming Trcuel Crade hterial.

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c\2.1 Cut the first blanket wrap layer free a sheet of three bour TEDJt>-14Cs u.

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3M460 Flext-Blanket Thermal &arrier material in the width required .2 ' l to overlap the diameter of the conduit, fitz conduit,Q,cablog.

t bundle or instrument tubing by at least two (2) inches. The length of the first layer shall be suf ficient to snelose the total or a portion of the total length of the entity to be protected.

2.2 Install the first layer of the three b Flexi-31an material in the same manner as described in steps, through for the one i . l.1 bour fire rated design. ' f. t.4 "Ill C04 q 2.3 Cut the second blanket wrap layer from a sheet of three bour TERM >1AC 330-660 Flext-Blanket nersal Barrier material in the width required to overlap the installed first layer by at least two V/ (2) inches. The length of the second layer shall be at least four (4)

.. inches less than the first layer to provide for an adeguate overlap

'Ij when installing an additional second layer ever the first layer.

T 5 4

\= 2.4 Install the second layer of the three ur Flexi-31aniet material in

. , , _ A,same manner as described in Step 1.6 through 1.9 except

{zev~A a 'r _ dfdbfiirliIg "Et 4ealing the overlapped seams with the 1AC 330-1 Trowel Crade Material. _

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'i 2D.f all the third blanket wrap layer free a sheet of three bru .,

TERM >1AC 330460 Flext-31anist neraal la er in the same manner sa i

that described for the s'econd layer in Steg [hc eFr /os enad

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t natall the fourth blanist wrap layer from a sheet of three bour

.28 , LAC 330460 Flezi-31anist Thermal Barrier in the same manner as hat described for the third layer except positioning the everlap

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S& degress f rom that of the third layer.

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2.7 Install the fif th blanket wrap layer from a sheet of three bour j TEI300-LAC 330-460 Flexi-31anist Thermal Earrier in the same manner sa I that described for the fourth layer except positioning the everlap 90  ;

degrees f rom that of the fourth layer, and sealing the overlapped sean with Tur.RM>1AC 330-1 Subliming Trowel Crade Material. Se sure that one (1) stainless steel tie wire er band to used to secure the installed five (5) layers at their butt joint junctions with adjoining layirs . A schematic of this fire barrier design is abovn ta Figure .f e

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[2.8 Fill in any gaps and jointe with TEERMO-1AC 330-1 Sublizing Trowel Crade h terial.

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PRITABRICATED PANEL DESICN FOR ' STRUCTURAL SUPPORTS AND HANCERS 4f 4,

- AN'o,0 TI BlCO(L CbdulRI Installation of the Prefabricated Panel Design to structural.cf5 R nd h gers involves cutting the number of panel sections required to' fort t e fire barrier f rom one or three hour fire rated THERMO-LAC Prefabricated Panels, and then mounting the sections of panel onto the C to be protected using 18 ga. minimus stainless steel tie wires or 0.5" x 0.020" minimum stainless steel banding material. The sequential steps involved iri in talling this fire barrier design are described

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in the following paragraphs. ,

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'"1. ,4. 1 s e b-htl Cut two pieces from a one hour fire rated Prefabricated Panel large b

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, enough to form two equal sections for enclosing the. structural support or hanger. The width of each piece shall be equal to the gwo olynt ,

sum of the wi.dtMf the -C plus an additional 1/4 inch for clearance.

, M The length of each piece a all not exceed 6 1/2 f I which is the ,

I standard length of a Prefa ricated Pane l f-- q ntM CWWW 7 I

(y'2. ,4 ,4j Port an "L" W5 shaped section with the Stress Skin sid Jurt7f rom each of SN) ' j lj the two pieces of Prefabricated Panel. The width and epth of as "L" shaped section shall be sufficient to enclose 1/2 of the w

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- L2.A tt Mount the two "L" shaped sections on the structural support or -

j hanger, usi ,18 ga. minimum stainless steel tie wires or 0.5" x 0.020" l1

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enough to enclose the structural support or hanger. O gf 2.4- hount the four pieces on the structural support or hanger using 18 ga.

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- THERMJ-1AC 336_FRITAIRICATE PAA*i1 Ah"D TE1

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a 2--P- Installation of a Three Hour Fire Barrier fore and mount r i~ 1 prett f Using three hour fire rated Pref abricated Panels, or hanger f ollowing )

V .a three hour iire barrier on a structural support through .

- . J the procedures described in steps W M. 9 - 6ttim tm:0 TSAhiMANCfk 0'.TLDUIMR STRUCTURA r hangers invo es ation x of the Trovel Dn Design to structural by an app Installatio The sequen supportsj otal coa 1 steps ent tubing applying an in TERMO-1.AC 330-1 Sublicing Material.d it and instr I of an outer coat involved in applyingqhe fire barrier design to cen a owing paragraphs.

ore described in the f}

Installation of the Tire 4arrier N Design 3.3 \

\ Jpor( or hanger and apply the Prepare the surfaceer. of the s_true rev /ugscc7mv~E ~ ~Qf 1.1.1 s ef L ' ural A ~ ' Illkill Q, ,

TERMO-LAG 351- .

. 96 'iG-LAG 33 Sublicing Material to the (T sel apply the einicu: require dry fil: thickness to ,

in th rating. Theistance coating dry file e---

3.1.2 (,M' ~ surf ace area re resistance rating is provide the specified produce a one hour fire r i ss required to thickness required t ch,'rf- ,

0.500 inches.c' =$ The coating dry file th cour fire resistance r produce a three -c n ,.

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h THEM3-1.AG 330-660 TLEXI-BlNW.ET THEPML BARRIE FOR 0 ALUCTtTFAL StTFPORT S AND RANCERS A

&>.%4W 60 Flex 1-Blanket Therr.a1 Barr er Design to Installation of the THEPMD-1A n layers of bla et froc

• sheet structural supports and ha s involve of TREP30-LAC 330-66 )0lesi-Blanket, and then wrapp e .

to be protected with the required 1Feber of layers to provide one or three ire resistance The sequent.ia [ateps involved in applying the fire barrint design a escribed nt a do11oving paragraphs. _/

.Jr:t Ins t a ll,++tm o f a One Bour Tir e Ra t e d De s i gn - Cu t La y tis __

'peH M r gthill N

,, !tlTil Ct t the first blanket wrap layer to one hoTr esign THERMO-1.AG 660 Flexi-B1 nk Therral Barrier material in the width required to overlap the @ w of the structural support or hanger by at least two inches. The length of the first layer shall be aufficient to enclose the total or a portion of the total length of the{nTit ?to be protected.

ph <.Wi 43'ttbio' W Wra the first laye of o ur Flext-Blanket material around the s tit. to be protected, taking care to overlap the material by at least two inches.

h.M I l 4,4-. 2 Secure the first layer of one hour Flexi-Blanket material to the using 18 ga. minime stainless steel tie wires or 0.5" x i

T 0.02 minime stainless steel banding material, installed at a maxi.ec of six inch intervals.

(. 3.V L4,-4 Cut and install additional first layers of one hour Flexi-Blanket material in the sa=e manner as described in Steps 4.1.1 through 4.1.3, j taking care to butt join the first layer pieces.

b.3. C dr-i-5 Cut the second blanket vrap layer f rom a sheet of one hour Flexi-Blanket Thermal Barrier material in the width required Theto length overlap the installed first layer by at least two inches.

of the second layer shall be at least four inches less than the first layer to provide f or an adequate overlap when installing an additional second layer over the first layer.

3-10

i 3 040 t

b , Wrap the second layer of one hour Flext-31snht material around the tastalled first layer taking care to everlap the material by at least two (2) inches, and locate tk overlap 180 degrees opposite

' from that of the first layer.

Seal the overlapped sean using TEIAMO-1AC 330-1 Sub11 ming Trowel Crade h te rial .

h G.3.5 4r+.8 secure the second layer of one bour Flexi-31ankt material around the first layer using 18 ga. sinianr. stainless steel tie wires or 0.5" s 0.020" minine stainless steel banding material, insta 4.st a

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., j maximum of six (6) inch intervals, C

c .3.3 Md 3.6 ,

I W Cat and install additional second layers of one exi-3lanket material in the same manner as described in Steps through ,

taking care to butt join the second layer pieces an to secure the butt joint using 18 Sa. minima stainless steel tie wires or 0.5" s O.020" minima stainless steel banding material.

l l

c.1.m W Fill in any gaps and joints with the TED00-1AC 33>15sbliming Trowel Grade Material.

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(b.s

} Installation of a Three Hour Fire Barrier - Cut 1.s y e r s 4,+ I G. +(1 --

4r2A 1 Cut the first blanket vrap layer f rom o sheet of/fhx. L)THERMD-1.AG

\ 330-660 Tiext-Blanket Thermal Barrier material in the width required to overlap the parameter of the structural support or anger by at least two inchts. The length of the first layer shall bef sufficient I

toenclosethetotaloraportionofthetotallength/ofthes.tru ural' support or hanger. ,

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G. V Adf. 2 Install the first blanket vrap layer of ber hra Flexi-Blanket material in the same manner as described rin Steps 4.1.1 through 4.1.4 for the one hour fire rated design.

b' l l 4. .3 Cut the second blanket layer of b :.[-)Tlexi-Elanket material i in the width required to overlap the installed first layer by at least two inches. The length of the second layer shall be at least four inches less than the first layer, to provide for an adequate

overlap when installing an additional;second layer over the first layer.

Iv.4 12;4 Install the second blanket wrap layer of, _1--- 5:mg;Tlexi-Blanket material in the same manner as the seconflayer described in Steps

( 4.1.6 through 4.1.9, exceptC:2'_.' M isealing the overla,p ed seams

\ vith the THEP30-1.AG 330-1 Sub11 ming Trowel Grade Materi .

4,9 fumim ATE,~ A QM '-

t 2.5 Install the third blanket vrap layer of d x_: h: _ =, lexi-Blanket

( material in the same manner as the second , layer Tescri, bed in, -_ .

J' .S.t~- eps. 4.1. 6 t.hr. ough .4.

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e _xcepM_ isl*4==rdas

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n a e 4 g- - --- ; - ,- _ , --- .,

h, , .w - -- -_ y .

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t W g 7 re- M fosition the overlap 90 degrees frce that of'the second j

layer, cgygg (Q g b.4

.6 Install the fourth blanket vrap layer ofp [: .. La.r Flexi-Blanket, material in the same manner as the Gecono layer de_seribed in Steps .m 4-.-12 6 tiEconegh t. t. ' ' - - % ~ ^ 1133- 9 " " r l # d h -

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G p n.i r ;r.-9' *.. P O :- f ! E. d G i,0? M __0-d t-h* pe aarrw rw fbTftT6'n the overla egreeslrom that of the third layer.

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. .. Install the fif th blanket wrap layer from a sheet of 6a L ,D THERMO-1.AG 330-660 Tlexi-Blanket Thermal la ter in the same manner A NMdM as the glayer described in Steps 4s) r hrough 4.1 'of the one hour fire rated design except positioning the overlap 90 degrees from that of the fourth layer, and sealing the overlapped seam with THERMO- >h-

/

LAG 330-1 Subliming Trowel Grade Material. Be sure that one 18 ga.

minimum stainless steel tie wire or 0.5" x 0.020" sinimum stainless 4\

4 steel banding material is used to secure the installed five layers at their butt joint junctions with adjoining layers.

L .4 .?

4 L8 Fill in any gaps and joints with THERMO-LAG 330-1 Subliming Trowel 1 Grade haterial.

1 I

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s 3-13

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REPAIR PROCEDURIS l

The repair of a damaged section in a THERMNIAC 330 Fire Barrier is easily accomplished by cuttina out and removing the damaged material and then filling  !

in the cut out section with new material.

The first step in this procedure is to remove the damaged and loose material using a knife and scraper. Care should be exercised that the damaged material ,

is cut back until sound adhering material is reached. 1 The next step is to undercut the edges around the cut out section to form a beveled edge. All foreign matter is then removed from the exposed substrate j surf ace in the cut out section. l Finally, the THIRM> LAG 330 gubliming Haterial is troveled into the cut out section. If necessary, several costs can be applied to achieve the .y . l desired film thickness. Care should be taken to allow for shrinhge of the &

repair patch by building up a slight done shape on the surface of the patch [

- E r ;11Wia, ;1H ,= L ; % _ 1 T- ' '; ; : _ ' iG= L J --Lil; ref - _d Mg

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NOTE: an be replaced using" procedures outlined in *b/r ,

Whole sec41ons  ?

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r 3-14

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OW 9 CABLE ADDITION /RIPLACDENT PROCEDURIS The addition or replacement of a cable in a TERMS-1AC 330 Fire Barrier is secouplished by removing sections of the fire barrier, adding or replacing the estle, and then reinstalling the sections.

The first step in this procedure is to remove the required number of fire barrier sections by cutting away the material at the edges and the butt flanges.

Next, the stainless steel tie wires or banding are cut and the fire barrier section removed from the cable raceway.

Af ter the cable has been added or replace, the fire barrier sections are reinstalled using stainless steel tie , wires or banding. A coating of.

TERD-1AC 330-1 Subliming Material - Trowel Crade is then applied in the specified wet thickness, to the edges and joints of the reinstalled sections using a trove), or stiff bristle brush to fill in any uncoated areas. l

, - [,. r/'f (5 \

,t.,

7.0 POST APPLICATION PRACTICES A clean and orderly condition shall be maintained in the installation area.

Following the application, all debris and equipment and any overspray shall be removed and the area lef t in a condition acceptable to the owner.

3-15

ATTA.MA RECO@2NDD ON 817E QUALITY ,

- CONTROL PROCEDURE The following is a reconnended quality control procedure to be followed en site in the installation of the TEDM:)-1AC 330 Fire Barrier Systes.

RECE1VINC PROCEDURES

1. Pref abricated Panels and Preshaped Conduit Sections

a. Make a visu:,1 inspection for damage.

. t.

2. ntEm>1AC 330-1 Sublizing Compound

s. Make a visumi inspection for damage.

i

b. Read temperature recorder strip chart to verify that temperature limitations were not exceeded.

i

c. , Test as an option that: l

1. Weight per gallon is at specified in A-2 TQAPM.

2. pH valve'is as specif t.d in A-3 TQAPM.

i l

INSTA1.1ATION PROCEDURES j

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1. Je ure that the proper one hour or three hour fire barrier design, 1.

as__been installed.

2. Y* Check to see that the protected component is completely enveloped.

A concrete surf ace, such as a wall, ceiling, or floor, can

, g j Note:

,5 be a .part of the envelope.

3 Check to see that the pris.ary structural support of the protected componet ,

2 is coated with the designated thickness to the point of attachment.

4. E ppsure that all seams and joints are filled and sealed witt TutRMo-1.Ac 33D-1 Trowel Crade in order to prevent flame penetration into,the envelope systen.

l 3-16

t 1

S. Check to see that all fa steners, such as bandiaz, tie wire, outs

i. and bolto, and concrete f asteners, are of proper type and spacina.

6. If sore that all penetrations into the envelope are protected for a

" minimusa of 18 inches f rom the envelope with the same fire ratiet as the envelope.

1 W

4 3-17

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'/ ATTAC2NDC 3 4

RICOHKENDED LIST OF DSTALLATION TOOLS i

The following is a recoassended list of typical installation tools and equipment for installation of the THERM >-LAG 330 Fire Barrier System. These parts can usually be obtained from local suppliera.

Work Tables -7's4' l

2" Nylon Brushes l

All Purpose Caulking Cuns Rand Circle Savs with carbide blades los Knives  !

4 i 1" Putty Knives i 1

6" Putty Knives Wire Cutters I

Vice Crips Trowels - 1" to 5" long Mose Fliers ,

Work Cloves Dust Masks Coggles

'fretective Clothing f Organic and Particulate' Matter Respirators 18 ga. Stainless Steel Tie Wire or larger or Stainless Steel Banding .020 x " or Beavier 3-18 i l

i

. . . _. ____________ _ _ _