ML20137W362
| ML20137W362 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear, Prairie Island  |
| Issue date: | 03/17/1997 |
| From: | TRANSCO PRODUCTS, INC. |
| To: | |
| Shared Package | |
| ML20137W336 | List: |
| References | |
| GL-86-10, TR-228, NUDOCS 9704180089 | |
| Download: ML20137W362 (26) | |
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TRANSCO PRODUCTS INC.
Transco Products Inc.
Test Procedure #TR 228 Revision: 2 Date: February 7,1997 Page: 1 of 13 Transco Products Inc.
Test Procedure #TR-228
!?1 Three Hour Fire Test of One and Three Hour VERSA WRAP Raceway Fire Barrier Systems for Conduits and Cable Trays (TRANSCO PRODUCTS INC. PROJECT #AR-256) l Rev.:
==
Description:==
By:
Date:
Ck:
Date:
App.:
Date:
O For Review and G.J. Jarosz 02/07/97 K. Hawks 02/07/97 R.'Goss 02/07/97 i
Test Specimen Fabrication l
1 For Review and G.J.Jarosz 03/01/97 K. Hawks 03/01/97 B.C.
03/01/97 Test Specimen Mach-Fabrication chhar 0 7f h Ff/7[9/
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For Review and G.J.Jarosz 03/16/97 Test Specimen Fabrication 9704180089 970417 PDR ADOCK 05000282 F
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TRANSCO PRODUCTS INC.
Transco Products Inc.
Test Procedure #TR-228 Resision: 2 Date: February 7,1997 Page: 2 of 13 TABLE OF CONTENTS:
Title Page:
Page1 Table of Contents:
Page 2 Section 1.0, Synopsis:
. Pages 3 - 8 Section 2.0. Test Furnace:
Page 8 Section 3.0, Items to be Protected:
Page 9 l
Section 4.0, Fire Barrier Material Installation:
Page 9 Section 5.0, Thermocouples:
Pages 9 - 11 Section 6.0, Fire Test:
. Page11 Section 7.0, Hose Stream Test:
Pages 11 - 12 Section 8.0, Test Report:
Pages 12 - 13 Attachments:
Drawings:
...... Attachment "A", Pages 13 of l3 USNRC Generic Letter 86-10, Supplement 1:
Attachment "B", Pages 18 of 18 l
TRANSCO PRODUCTS INC.
Transco Products Inc.
Test Procedure #TR-228 Revision: 2 Date: February 7,1997 Page: 3 of 13 SECTION 1.0 SYNOPSIS:
Transco Fire Test #TR-228 will be a single fire test conducted in accordance with the performance requirements of NRC GL 86-10, Supplement I and the ASTM E 119 time / temperature curve. The purpose of this test is to 1
demonstrate the ability of both one and three hour VERSA WRAP raceway fire barrier systems (in the same test) to protect a variety of raceway conditions that are representative of those commonly found in nuclear power plants.
Even though some of the barrier systems to be tested are only intended for one hour applications, they will be subjected to the full three hour fire test. In these cases, the one hour barrier specimens will be considered to be successful thermally if they meet the raceway temperature pass / fail criteria of GL 86-10 for the first hour of the fire test. After the conclusion of the three hour fire test, both one and three hour specimens will be subjected to a hose stream test in accordance with Section 7.0 of this procedure. Testing will be performed at Underwriters Laboratories (Northbrook, Illinois).
The overall test specimen will consist of a metal and concrete deck from which a number of simulated conduit and cable tray raceways will be suspended. The sizes and shapes of these raceways are intended to represent conditions that bound equivalent or less severe raceway configurations in the field. These bounding conditions to be qualified by this test are described below. The metal / concrete deck with its individual raceway specimens will be placed on top of a large floor furnace where the raceways will be subjected to the three hour fire endurance test. Immediately after the conclusion of the fire test, the deck and raceway specimens are lifted as a single unit from the fumace and will then be exposed to the hose stream test.
The raceway items to be tested and conditions they are intended to bound are as follows:
ITEM: DESCRIPTION:
"A" 2" x 2" Aluminum Solid-Back Cable Trav/ Tube Track - This item is intended to bound one hour VERSA WRAP installed on the smallest steel and/or aluminum cable tray (using aluminum as a worst case condition) as well as bundled steel or aluminum conduit configurations. Since this is the smallest thermal mass expected for cable tray applications (cad therefore the most severe), this tray is intended to bound all larger steel and aluminum raceways. Because this is a one hour wrap, it is only required to meet the thermal pass / fail requirements of GL 86-10 Supplement I for one hour whereas the hose stream test for this specimen will be performed immediately after the three hour fire test. This specimen will demonstrate both horizontal and vertical raceway sections, a bend / comer, and a "Unistrut" hanger thermal short interface. This tray will be empty except for a #8 AWG bare copper cable and thermocouples. The empty tray is used to simulate a worst case the mal mass condition for cable loading.
"B" 30" x 4" Steel Ladder-Back Cable Trav This item is intended to bound one hour VERSA FRAF systems installed on 30" x 4" (and all smaller sizes) of both aluminum and/or steel cable trays (aluminum trays si:esfrom 2"x 2" through 30" x 4" are bounded thermally by item "A" above) as well as bundled conduits. This specimen will demonstrate both horizontal and vertical runs of raceway, a bend, and a l
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TRANSCO PRODUCTS INC.
Transco Products Inc.
Test Procedure #TR-228 Revision: 2 Date: February 7,1997 Page: 4 of 13 "Unistrut" hanger thermal short interface. This tray will be empty except for a single #8 AWG bare copper wire and thermocouples. The empty tray is used to simulate a worst' case thermal mass condition for cable loading. The use of this large steel tray is also intended to bound aluminum raceways up to this size for hose stream test qualifications of VERSA WRAP. This specimen will also demonstrate a " free-cable airdrop" and its connection to the raceway wrap.
"C"
%" Diameter Rieid Steel Conduit - This item is intended to bound one hour VERSAWRAP systems installed on the smallest size of conduit found in the field (the most severe thermal mass). The test raceway as:;embly will be fabricated from standard % " diameter rigid steel conduit and will utilize a "U"-
shape to represent both vertical and horizontal raceway runs. One corner of the "U"-shape will consist of a standard steel condulet and couplers while the opposite corner will be used to show the wrap installed on a small radius bend. A conduit connector will also be installed on one of the vertical legs of specimen to demonstrate the wrap installed over such typical hardware items. A "Unistrut" hanger will be connected to the horizontal conduit section to demonstrate the impact of thermal shorts on small diameter conduit raceways. This conduit will be empty except for a #8 AWG bare copper wire and thermocouples installed according to Section 5.0 of this procedure.
"D" 4" Diameter Rigid Steel Conduit - This item is intended to demonstrate one hour VERSA WRAP systems installed on large diameter conduits. The test raceway specimen will fabricated from standard 4" diameter rigid steel conduit that will utilize a folded "S"-shape to represent both vertical and horizontal raceway runs. One corner of the "S"-shape will consist of a standard steel condulet and couplers while the horizontal leg of the raceway will be used to show the wrap installed on a large radius bend. A conduit connector will also be installed on one end of the raceway to demonstrate the wrap installed over such typical hardware items. A "Unistrut" hanger will be connected to the horizontal conduit section to demonstrate the impact of thermal shorts on large diameter conduit raceways. This conduit will be empty except for a #8 AWG bare copper wire and thermocouples installed according to Section 5.0 of this procedure.
"E"
. %" Diameter Ricid Steel Conduit Near Concrete Barrier - This item is intended to bound one hour VERSA BRAP systems installed on the smallest size of conduit found in the field (the most severe thermal mass) located approximately %" from a vertical or horizontal concrete barrier. The test raceway assembly will be fabricated from standard %" diameter rigid steel conduit that will use condulets at each end of the specimen on the exposed side of the deck. A conduit connector will also be installed on the conduit. (No hanger will be used in the test as hangers in the field would be wrapped in the same manner as the conduit -
the impact of the hanger thermal short in this particular case would be considered a less severe condition as it would increase the thermal mass of the test raceway.) This conduit will be empty except for a #8 AWG bare copper wire and thermocouples installed according to Section 5.0 of this procedure.
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TRANSCO PRODUCTS INC.
Transco Products Inc.
Test Procedure #TR-228 Revision: 2 Date: February 7,1997 Page: 5 of 13 "F"
bluitiple Intersectine "Unistrut" Haneers and %" Diameter Rieid Steel Conduit - This item is intended to bound one hour VERSA URAF systems installed on %" diameter conduit (as the most severe thermal mass) connected to a "Unistrut" hanger thermal short that intersects with a second perpendicular hanger approximately 6" from the conduit. This second intersecting hanger will not be wrapped with VERSA 376LP as a full length thermal short as shown in the other test specimens. The conduit will be empty except for a #8 AWG bare copper wire and thermocouples installed according to Section 5.0 of this procedure.
"G" 2" x 2" Aluminum Solid-Back Cable Trav/ Tube Track -This item is intended to bound three hour VERSA WRAP systems installed on the smallest steel and/or aluminum cable tray (using aluminum as a worst case condition) as well as bundled sateel or aluminum conduit configurations. Since this is the smallest thermal mass expected for cable tray applications (and therefore the most severe), this tray is intended to bound alllarger steel and aluminum trays. This specimen will demonstrate both horizontal and vertical runs of raceway, a bend / comer, and a "Unistrut" hanger thermal short interface. This tray will be empty except for a #8 AWG bare copper wire and thermocouples. The empty tray is used to simulate a worst case thermal mass condition for cable loading. This item will also demonstrate a wrap-to-concrete interface to bound both one and three hour applications for small raceways.
"H" 30" x 4" Steet Ladder-Back Cable Tray - This item is intended to bound three hour VERSA FRAP systems installed on 30" x 4" and all smaller sizes of both aluminum and steel cable tray (aluminum trays sizes from 2"x 2" through 30"x 4"are bounded thermally byitem "G" above) and bundled steel or aluminum conduits. This specimen will demonstrate both horizontal and vertical runs of raceway, a bend, and a "Unistrut" hanger thermal short interface. 'lhis tray will be empty except for a #8 AWG bare copper wire and thermocouples. The empty tray is used to simulate a worst case thermal mass condition for cable l
loading. The use of this large steel tray is also intended to bound aluminum trays up to this size for hose stream test qualifications. This specimen will also demonstrate a " free-cable airdrop" and its connection to the raceway wrap. The specimen will also demonstrate a wrap-to-concrete interface to bound both one j
and three hour applications for both large tray and/or box wraps.
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"1"
%" Diameter Rield Steel Conduil - This item is intended to bound three hour VERSAWRAP systems installed on the smallest size of conduit in the field (the most severe thermal mass). The test raceway assembly will be fabricated from standard % " diameter rigid steel conduit that will utilize a "U"-shape to represent both vertical and horizontal raceway runs. One corner of the "U"-shape will consist of a standard steel condulet and couplers while the opposite corner will be used to show the wrap installed on a small radius bend. A conduit connector will also be installed on one of the vertical legs of specimen to 1
demonstrate the wrap installed over such typical hardware items. A "Unistrut" hanger will be connected to the horizontal conduit section to demonstrate the impact of thermal shorts on small diameter conduit raceways. This conduit will be empty except for a #8 AWG bare copper wire and thermocouples installed according to Section 5.0 of this procedure.
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TRANSCO PRODUCTS INC.
Transco Products Inc.
Test Procedure #TR-228 Revision: 2 Date: February 7,1997 Page: 6 of13 4
l "J"
4" Diameter Rigid Steel Conduil -This item is intended to demonstrate three hour VERSAURAP systems installed on large diameter conduits. The test raceway assembly will be fabricated from standard 4" i
diameter rigid steel conduit that will utilize a folded "S"-shape to represent both vertical and horizontal raceway runs. One corner of the "S"-shape will consist of a standard steel condulet and couplers while the horizontal leg of the raceway will be used to show the wrap installed on a large radius bend. A conduit connector will also be installed on one end of the raceway to demonstrate the wrap installed over such typical hardware items. A "Unistrut" hanger will be connected to the horizontal conduit section to demonstrate the impact of thermal shorts on large diameter conduit raceways. This conduit will be empty except for a #8 AWG bare copper wire and thermocouples installed according to Section 5.0 of this procedure. The spectmen will also demonstrate a wrap-to-concrete interface to bound both one and three hour applications for large and small conduit wraps.
"K"
%" Diameter Ricid Steel Conduit Near Concrete Barrier - This item is intended to bound three hour VERSAWRAP systems installed on the smallest size of conduit (the most severe thennal mass) found in
' the field that is located approximately %" from a vertical or horimntal concrete barrier. The test raceway assembly will be fabricated from standard %" diameter rigid steel conduit that will utilize condulets at each end of the specimen. A conduit connector will also be installed on the conduit (No hanger will be used in the test as hangers in the field would be wrapped in the same manner as the conduit - the impact of the hanger thennal short in this particular case would be considered as a less severe condition as it would increase the thermal mass of the test raceway.) This conduit will be empty except for a single #8 AWG bare copper wire and thermocouples installed according to Section 5.0 of this procedure.
"L" Multiole Intersectina "Unistrut" Haneers and %" Diameter Rieid Steel Conduit - This item is intended to bound three hour VERSA WRAP systems installed on a %" diameter rigid steel conduit as the smallest size of conduit found in the field (the most severe thermal mass) connected to a hanger thermal short that intersects with a second perpendicular hanger approximately 6" from the conduit. This second intersecting hanger will not be wrapped as a full length thermal short as shown in the other test specimens.
The conduit will be empty except for a #8 AWG bare copper wire and thermocouples installed according to Section 5.0 of this procedure.
"M" l-%" Diameter Steel Conduit and TSI"Thermo-Laa" Raceway Covered with Modified VERSAWRAP
- This item is intended to bound " modified" one hour PERSA DRAP systems installed on 1-%" (and larger) diameter conduits in the field. The test raceway assembly will be fabricated from standard 1-%" diameter rigid steel conduit that will utilize a "U"-shape to represent both vertical and horizontal raceway runs. One corner of the "U"-shape will consist of a standard steel condulet and couplers while the opposite comer will be used to show the wrap installed on a small radius bend. The one hour Thermo-Lag material will be installed with "dryjoints" (no trowel grade Thermo-Lag will be used). A "Unistrut" hanger will be connected to the horizontal conduit section to demonstrate the impact of thermal shorts on these raceway types. This conduit will be empty except for a #8 AWG bare copper wire and thermocouples installed s cnonno mnv ne moe mo s venn nnn"o
TRANSCO PRODUCTS INC.
Transco Products Inc.
Test Procedure #TR-228 Revision: 2 Date: February 7,1997 Page: 7 of 13 l
according to Section 5.0 of this procedure.
l "N"
12" x 12" x 12" x 16 Gau.g_e Steel Box Attached to a %" Diameter Steel Conduit - This item is intended to bound one hour VERSAIFR4P conduit systems that interface with a one hour "Darmatt KM1" raceway barrier system installed on the box. The conduit will pass through a penetration seal to show wrap terminations as such. The conduit and box will be empty except for a #8 AWG bare copper wire and thermocouples installed according to Section 5.0 of this procedure and Generic Letter 86-10, Supplement 1.
"O" Two 6" x 6" x 6" x 16 Gauce Steel Boxes Attached to a % " Diameter Steel Conduit - This item is intended to bound one hour VERSAlfR4P systems installed on both " free-air" junction boxes andjunction boxes mounted to concrete barriers as well as intersecting conduit connections. The conduit and box will be empty except for a #8 AWG bare copper wire and thermocouples installed according to Section 5.0 of this procedure and Generic Letter 86-10, Supplement 1. The sizes of both simulatedjunction boxes were chosen to represent worst case small thermal masses whereas field junction boxes with large surfaces would be bounded by the 30" x 4" cable tray raceway included in this test.
i I
"P" Two 6" x 6" x 6" x 16 Gauge Steel Boxes Attached to a M" Diameter Steel Conduit - This item is intended 1
to bound three hour VERSA FFR4P systems installed on both " free-air" junction boxes and junction boxes mounted to concrete barriers as well as intersecting conduit connections. The conduit and box will be l
empty except for a #8 AWG bare copper wire and thennocouples installed according to Section 5.0 of this procedure and Generic Letter 86-10, Supplement 1. The sizes of both simulated junction boxes were chosen to represent worst case small thermal masses whereas field junction boxes with large surfaces l
would be bounded by the 30" x 4" cable tray raceway included in this test.
"Q" 3C-500MCM Aluminum Armored Cable - This item is intended to bound one hour VERSA FIR 4P systems installed on a 3C-500MCM aluminum armored cable as supplied by Northern States Power for their Prairie Island Nuclear Power Station. The 10'(minimum) span of cable will be temporarily supported by l
a rope about mid-span. During the test, the rope will burn / melt and will allow the wTapped cable to be l
unsupported for the remainder of the fire test. The intent here is to show that the wTap will still be i
effective even if the cable suddenly becomes unsupported between hanger points (maximum distance as l
tested herein) in the field. (In the field, the cable is located in an aluminum tray suspended on steel l
hangers. The utility wishes to evaluate the possibility of wrapping only the cable instead of the entire tray.
l It is felt that if the aluminum tray is not wrapped,it will melt or be consumed during a fire thus leaving the cable unsupported except at points where the tray was suspended on steel hangers.)
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4 TRANSCO PRODUCTS INC.
Transco Products Inc.
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Test Procedure #TR-228 Revision: 2 Date: February 7,1997 Page: 8 of13 l
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SECTION 2.0 TEST FURNACE:
The furnace to be used is Underwriters Laboratories' standard large floor furnace. The furnace shall be operated j
in accordance with the requirements of ASTM E-119 for the three hour fire test SECTION 3.0 ITEMS TO BE PROTECTED:
The follo' wing is a description of the items to be used as raceway elements for the fire test:
(See Section 1.0, Synopsisfor a general description ofthese items. Note: all steel trays and boxes will be manufacturedfrom 16 gauge steel while all conduit will be standard, rigid conduit. All " free-cable air drops " will consist ofsingle pieces ofstranded 8 A WG bare copper wire according to GL 86-10, Supplement I requirements. All hangers will befabricatedfrom standard "Unistrut" r>pe material
[ hangers may be welded to the racewaysfor the test in lieu ofusing clips, straps, etc].)
An accurate description of specimen fabrication shall be included in the final test report (as verified by Transco Products Inc. Quality Control). Hardware substitutions are permitted provided substitute material (etc.) does not increase the heat mass of the specimen and are documented by Transco QC.and UL.
SECTION 4.0
' FIRE BARRIER MATERIAL INSTALLATION:
The VERSA WRAP and Transco Products Inc. TCO-001 materials shall be installed by Transco Products Inc.
personnel in accordance with the manufacturer's mstmetion and/or procedures. If written instructions are not available at the time of installation, then Transco Products Inc. QC personnel shall document / verify step-by-step methods used for installation. Test installation records will be included as an appendix to the final test report.
TRANSCO PRODUCTS INC.
Transco Products Inc.
Test Procedure #TR 228 Revision: 2 Date: February 7,1997
.Page: 9 of 13 Materials used for this test shall be purchased, received, and installed in accordance with latest approved revision of Transco Products Inc.'s Quality Assurance Program and applicable procedures. All fire barrier envelope installation will be witnessed by Transco Products Inc. Quality Control personnel. Material components (except -
for tie wire and ceramic blanket) will be identified with the responsible QC's initials as each layer is installed.
Note: This test will be performed as a " Safety Related" quality program in accordance with the latest approved revision of Transco Products Inc.'s Quality Assurance Manual (10CFR, Part 21 applies) with the exception that all materials will be provided as "Q-Class" with Certificates of Conformances.
SECTION 5.0 THERMOCOUPLES:
A.) Fire Barrier Envelone:
'Ihe fire barrier envelope is considered all areas of the specimen on the exposed side of the test slab. For these areas, thermocouples shall be mounted to the specimen to gather temperature data for the duration of the fire test. At a muumum, temperatures shall be documented at nominal two minute intervals for the duration of the test. Thermocouple placement for the fire banier enveloce (quantity and locations) shall be as specified in NRC GL 86-10 and Supplement I as follows:
".. Cable Trays - The temperature rise on the unexposed surface of a fire barrier system installed on a cable tray shall be measured by placing the thermocouples every 152 mm (6 - inches) on the exterior surface of each tray side rails between the cable tray side rail and the fire barrier material.
. Intemal raceway temperatures shall be measured by a stranded AWG 8 bare copper conductor routed on the top of the cable tray rungs along the entire length and down the longitudinal center of the cable tray run with thermocouples installed every 152 mm (6-inches) along the length of the copper conductor.
Thermocouples shall be placed immediately adjacent to all stmetural members, supports, and barrier penetrations.. "(1)
.. Conduits The temperature rise of the unexposed surface of a fire barrier system installed on a conduit should be measured by placing thermocouples every 152 mm [6 inchs] on the exterior conduit surface between the conduit and the unexposed surface of the fire barrier rderial. These thermocouples should be attached to the exterior conduit surface opposite of the test deck and closest to the furnace fire source. The internal raceway temperatures should be measured by a stranded AWG 8 bare copper
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TRANSCO PRODUCTS INC.
Transco Products Inc.
Test Procedure #TR-228 Revision: 2 Date: February 7,1997 Page: 10 ef 13 conductor routed through the entire length of the conduit system with thermocouples installed every 152 mm [6 inches) along the length of the copper conductor. Thermocouples should also be placed immediately adjacent to all structural members, supports, and barrier penetrations.. "(1)
Free-Cable Air Drops: Thermocouples will'be installed on the stranded 8 AWG wire used for demonstrating the " free-cable air drop" every 152 mm (6 inches) in accordance with the same requirements for monitoring internal condrit/ cable tray temperatures.
(Note: In accordance uith NRC GL 86-10, Supplement I requirements, "for the thermocouples installed on conduits, cable tray side rails, and bare copper conductors, a
- 13 mm (*U2 inch). "stallation tolerance is acceptable". Hence, this tolerance shall be considered acceptablefor use in th. i test. The tolerance is considered to befrom thepoint ofindividual thermocouple placement and not compounded from one thermocouple to the next (i.e., all thermocouples can not be 6 U2"from each other but rather must be U2"from the measured 6"[ minimum] mark on the item being monitored)
Junction box thermocouples will be installed in accordance with the requirements of Generic Letter 86-10, Supplement 1.
8.) Penetration Scal:
Thennoccuple placement for the unexposed penetration seal surface (test item "N") will comply with the typical requirements of ASTM E814. As an optional method for protecting thermocouple tips, the thermojunctions ofeach thermocouple may be embedded into the seal surface or seal surface / penetrating member interface approximately % -%" below the seal surface (because of the nature of the seal material, this placement can be performed at any time after the installation of the seal material). For this altemate method, insulation pads for covering the thermocouple tips will not be used.
All specimen temperatures shall be monitored using thermocouples (with special limits of error equal or less than 1.l'C), Thermojunctions of all specimen thermocouples shall be electrically welded. All thermocouple wire shall be supplied with certifications of purity, accuracy, and calibration.
Furnace atmosphere thermocouples shall be placed 12" below the furnace deck / slab as well as 12" away from representative elements of the test specimen accordance with ASTM E-Il9-88 requ;rements (not less than nine f91 thermocqueles will be used to monitor furnace atmosohere temperatures 1 Additional furnace atmosphere thermocouples be employed around the specimen as it protrudes into the furnace. These will be placed at the laboratories discretion to supplement data acquisition in areas where furnace atmosphere thermocouples can not be mounted to satisfy ASTM E-119 requirements because of the specimen's configuration, et cetera.
The installation and location of each uniquely identified thermocouple (for both the specimen and furnace) shali
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i TRANSCO PRODUCTS INC.
l Transco Products Inc.
Test Procedure #TR 228 Revision: 2 i
Date: February 7,1997 Page: 11 of 13 4
i be mapped and verified (measured) by Transco Products Inc. Quality Control. Verification may be performed as hand written notes and shall become part of the permanent records of the test. Also, all thermocouple certifications j
shall also become a permanent record of the test.
i 1
' Generic Letter 86-10 and Supplement 1 4
4 4
j SECTION 6.0 3
FIRE TEST:
The fire test shall be conducted in accordance with the ASTM E-119 time / temperature curve (and temperature tolerance) for a minimum of three (3) hours. As a minimum, temperature data provided by both furnace and specimen thennoccuples should be monitored and documented at nominal two (2) minute intervals. The laboratory shall verify and document visual specimen performance and occurrences (i.e., smoke, et cetera) for the duration
' of the test.
l 4
j lt is intent of the test to demonstrate as many different raceway configurations as possible. As such, several raceway test specimens exhibit multiple features (i.e., the 3 hour3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> large tray demonstrates the tray wTap, a " free-air" cable and interface, a wrap-to-concrete interface, etc.). If one of these features fails thermally or during the hose stream test, it is the intent of the test to then exclude that feature from the configuration being qualified. In the case of the large tray for example, if the" free-air" cable or wrap-to-concrete interface fails for any reason, it is does not cause the tray to fail provided the rest of the tray specimen meets the acceptance criteria of Generic Letter 86 10, Supplement 1. Any failed portion of a specimen will then not be qualified by this test.
SECTION 7.0 HOSE STREAM TEST:
After the conclusion of the three hour fire test, the fire barrier envelope specimen (along with the surrounding penetration seal) shall be subjected to a minimum of one of the following hose stream tests (as identified in NRC.
GL 86-10, Supplement 1):
(a.)
"'Ihe stream applied at random to all exposed surfaces of the test specimen through a 3.8 cm ( l-1/2-inch) fog nozzle set at a discharge angle of 30 degrees with a nozzle pressure of 517 kPa (75 psi) and a muumum discharge of 2841pm (75gpm) with the tip of the nozzle at a maximum of L5 meters (5 feet) from the test specimen. (Duration of the hose stream application - 5 minutes for both 1-hour and 3 -hour barriers); or'
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l TRANSCO PRODUCTS INC.
Transco Products Inc.
Test Procedure #TR 228 Revision: 2 Date: February 7,1997
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Page: 12 of 13
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(b.)
"The stream applied at random to all exposed surfaces of the test specimen through a 6.4 cm (2
%-inch) national standard playpipe with a 2.9 cm ( l-1/8 -inch) orifice at a pressure of 207 kPa (30 psi) at a distance of 6.1 meters (20 feet) from the specimen, (Duration of the hose stream application - 1 minute for a 1-hour barrier and 2 % minutes for a 3-hour barrier); or"2 (c.) '
"The stream applied at random to all exposed surfaces of the test specimen through 3.8 cm ( 1 %.
inch) fog nozzle set at a discharge angle of 15 degrees with a nozzle pressure of 517 kPa (75 psi) and a minimum discharge of 2841pm (75gpm) with the tip of the nozzle at a maximum of 3 meters (10 feet) from the test specimen. (Duration of the hose stream application - 5 minutes for both I-hour and 3-hour barriers)."2
- 2. Genens Letter 8610 and Supp!ement i The responsible QC shall verify and document the type of hose stream, distance, time et cetera employed in each hose stream test.
SECTION 8.0 TEST REPORT:
The laboratory performing the test shall provide a written report which acc.:rately describes the following nummum elements of the test:
1.)
Verification of specimen materials and dimensions used; 2.)
Verification of fire barrier envelope materials, dimensions, and installation techniques (procedures) used; 3.)
Verification of general furnace construction / dimensions and locations of bumer, thermocouples, i
I et cetera; 4.)
Verification of specimen thermocouple locations (along with copies of thermocouple material l
certifications);
)
l 5.)
Verification of standards used for conducting fire test along with record of both furnace atmosphere and specimen temperature data acquired during test; i
6.),
Record of furnace pressure durug fire test; 7.)
Record of visual occurrences / observations of fire and hose stream tests; 1
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1 TRANSCO PRODUCTS INC.
Transco Products Inc.
Test Procedure #TR-228 Revision: 2 Date: February 7,1997 Page: 13 of 13 8.)
Record of hose stream test (s);
9.)
Photographic records of specimen before fire barrier envelope installation, aner fire barrier installation, and post fire / hose stream tests; 10.)
Post test observations including measurements of material loss / degradation, et cetera; 11.)
Certification of the report by the agency performing test; and, 12.)
QC records and notes from installation and test as an appendix to the report.
13.)
Record of test items thermocouple temperature readings.
ALL TEST RECORDS, NOTES, CERTIFICATIONS, REOUIRED BY THIS TE_SI WILL BE LEGIBLE AND SUITABLE FOR REPRODUCTION.
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TRANSCO PRODUCTS INC.
Transco Products Inc.
Test Procedure #TR-228 Revision: 2 Date: February 7,1997 j
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