SMK-ELEC-111s Smoke barrier at rm 111s elect dist

Letter # SMK-ELEC-111s Smoke barrier at RM 111s - Elect Dist.

Construction Specialties, Inc. 6696 State Route 405, PO Box 380 Muncy, Pennsylvania (570) 546-5941 Fax: (570) 546-8022 www.c-sgroup.com

January 27, 2016 Spectrum Specialty Builders Attn: Dan Pridemore 3902 West Valley Hwy North, Suite 500 Auburn, WA 98001 Project: Lincoln Square II

Location: Bellevue, WA

C/S Project #156859 Re: Stainless steel foil cover smoke barrier

Mr. Pridemore, In reference to the above mentioned project it has come to our attention that the use of stainless steel foil has come into question for use as a smoke barrier. In the following Intertek test report, you find the stainless steel foil product has been tested per the UL 2079, Standards for Safety, Tests for Fire resistance of Building Joint Systems, 2015. The system was Air Leakage tested as per Section 21 of UL2079. As a result of the test, you will find the conclusion shows that the stainless steel foil system has exceeded (0.00 cfm/ft) the target pressure differential of 0.3�WC for both Ambient Temperature Test and an Elevated Temperature Test.

If additional information is required, please feel free to contact us.

Sincerely,

Justin Moon Product Development Specialist Expansion Joint Cover Systems P: 570-546-4602 E: jmoon@c-sgroup.com Encl Cc: file, Pam Weihermuller (C/S)

TEST REPORT

REPORT NUMBER: 102320878SAT-001 ORIGINAL ISSUE DATE: October 30, 2015 REVISED DATE: N/A

EVALUATION CENTER 16015 Shady Falls Road Elmendorf, TX 78112 Phone: (210) 635-8100 Fax: (210) 635-8101 www.intertek.com

RENDERED TO Construction Specialties, Inc. 6696 Rt 405 Highway Muncy, PA 17756

PRODUCT EVALUATED: 2 mil Stainless Steel Foil EVALUATION PROPERTY: Air Leakage

Report of Testing 2 mil Stainless Steel Foil for compliance with the applicable requirements of the following criteria: UL 2079, Standard for Safety, Tests for Fire Resistance of Building Joint Systems, 2015.

This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client.

Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to copy or distribute this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program.

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1 Table of Contents 1 2 3

Table of Contents ............................................................................................................... 2 Introduction ........................................................................................................................ 3 Test Samples ..................................................................................................................... 3 3.1. SAMPLE SELECTION ................................................................................................. 3 3.2. SAMPLE AND ASSEMBLY DESCRIPTION................................................................. 3 4 Testing and Evaluation Methods ........................................................................................ 3 4.1. TEST STANDARD ....................................................................................................... 4 5 Testing and Evaluation Results .......................................................................................... 5 5.1. RESULTS AND OBSERVATIONS ............................................................................... 5 6 Conclusion ......................................................................................................................... 7 APPENDIX A: ............................................................................................................................ 8 APPENDIX B: ...........................................................................................................................10 APPENDIX C: ...........................................................................................................................12 CALIBRATED INSTRUMENTATION USED FOR TESTING .....................................................18 REVISION SUMMARY ..............................................................................................................19

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Introduction

Intertek Testing Services NA, Inc. (Intertek) has conducted testing for Construction Specialties, Inc., on their 2 mil Stainless Steel Foil, to evaluate its air leakage and elevated temperature performance. Testing was conducted in accordance with and following the standard methods of UL 2079, Standard for Safety, Tests for Fire Resistance of Building Joint Systems, 2015.

This evaluation took place on October 29 & 30, 2015.

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Test Samples

3.1.

SAMPLE SELECTION

Samples were submitted to Intertek directly from the client. Samples were not independently selected for testing. The 2 mil Stainless Steel Foil (Intertek Sample ID No.SAT1510261731-001) was received at the Evaluation Center on October 26, 2015. The test specimen identification is as provided by the client and Intertek accepts no responsibility for any inaccuracies therein.

3.2.

SAMPLE AND ASSEMBLY DESCRIPTION

The test sample consisted of a 2 mil Stainless Steel Foil sheet that was 48” wide by 54” long with a 3” wide interleaf joint bisecting the sample (See Appendix A). For the cycling test, the sample was installed into a mechanical cycler prior to the air leakage test. The sample was then installed onto a test chamber consisting of an enclosed 48” wide by 72” long x 36” high steel box for the air leakage portion of the test. The tests chamber was located within a draft free environment. Two wooden sections were installed to either end of the chamber to accommodate the test sample.

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Testing and Evaluation Methods

The resistance of the joint to air leakage resulting from a specified air pressure differential on one side of the test specimen, applied across the surface of the entire assembly, at both ambient and elevated temperatures was determined, as described in UL 2079. The test method includes air leakage tests and cycling to determine the rate of air leakage through the assembly represented in an as-installed condition. Flow measurements were taken using an Omega HHF5000 digital vane anemometer and pressure differentials were taken using an analog anemometer.

The results herein are expressed in cubic feet per minute per foot (cfm/ft) of joint and are intended to develop data to assist authorities having jurisdiction, and others, in determining acceptability of the system with reference to the control of air movement through the assembly when installed in a location where air leakage is intended to be controlled. The following is a summary of the testing procedures described in the standard. Refer to UL 2079 for further details.

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Movement Cycling Test In accordance with Section 9 of UL 2079, the joint was cycled 500 times at a cycling rate not less than 30 cycles per minute. The nominal opening width of the joint was 27” with a minimum and maximum joint width of 14” and 40” respectively.

Extraneous Chamber Leakage Prior to the air leakage test, the extraneous chamber leakage (QL) was measured at a pressure differential of 0.3” WC before the test specimen had been exposed to the ambient temperature (75°F±20°F) and elevated temperature (400°F) for series of tests. This was accomplished by totally sealing the joint assembly with 6 mil thick plastic.

Ambient Temperature Leakage Test The outer plastic cover was removed and the volume of air flow through the metering system (Qm) was determined (at ambient temperature conditions) and recorded at a test pressure differential of 0.30” WC (75 Pa), as described in Section 21 of UL 2079.

Elevated Temperature Exposure Test With the outer plastic cover removed, the volume of air flow through the metering system (Qm) was determined (at elevated temperature conditions) and recorded at a test pressure differential of 0.30” WC (75 Pa), as described in Section 21 of UL 2079.

4.1.

TEST STANDARD

Testing of the 2 mil Stainless Steel Foil was conducted following the standard methods of UL 2079, Standard for Safety, Tests for Fire Resistance of Building Joint Systems, 2015.

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Testing and Evaluation Results

5.1.

RESULTS AND OBSERVATIONS

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Cycling Test This test was conducted on October 29, 2015. The ambient temperature and relative humidity at the start of the test were recorded to be 66°F and 57%, respectively. A representative was not present to witness the test. The test specimen was manually cycled as per Section 9 of UL 2079 for 500 cycles. No visible changes in the joint occurred during cycling. The joint was then installed into the air leakage chamber.

Air Leakage Test This test was conducted on October 30, 2015. The ambient temperature and relative humidity at the start of each portion of the test is recorded in the table below. A representative was not present to witness the test. The test specimen was air leakage tested as per Section 21 of UL 2079.

Pre-test notes:  

No additional adjustments were made to the joint after the cycling tests.

Barometric pressure was recorded to be 29.63” Hg.

The following tables summarize the results obtained:

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CLIENT: PROJECT NUMBER: DATE: SPECIMEN I.D.:

Construction Specialties, Inc. G102320878SAT-001 10/30/15 2 mil Stainless Steel Foil with 3 in. Wide Joint

Cycles Complete?

Length of the Joint Barometric Pressure: Inlet Air Pipe Diameter: Inlet Air Pipe Diameter: Inlet Pipe Area: Air Leakage Accuracy:

YES 4.0 ft 29.63 in Hg 3 inches 0.25 feet 0.049 sq. ft.

0.05% of measured value

Ambient Test Results - Baseline with Plastic Over Joint (QL) Temp (deg F): 75 RH: 86 Pressure Flow Flow Chamber Leakage (in. w.c.) (fpm) (cfm) (cfm/sq ft) 0.3 0 0.00 0.00

Time:

Leakage with correction* (cfm/ft) 0.00

Ambient Test Results Temp (deg F): RH: Pressure (in. w.c.)

0.3

75 85 Flow (fpm) 0

Heated Chamber Temp (deg F): RH: Pressure (in. w.c.)

0.3

Results (Temperature Range 400 ± 10°F) 75 85 Flow Flow Normalized Chamber (fpm) (cfm) Lkg (fpm)** 0 0.00 0.00

Flow (cfm) 0.00

8:16

Normalized Chamber Lkg (fpm)** 0.00

Time:

8:20

Leakage (cfm/ft) 0.00

Leakage with correction* (cfm/ft) 0.00

Time:

8:33

Leakage (cfm/ft) 0.00

Leakage with correction* (cfm/ft) 0.00

Accuracy (%) 0.05%

Accuracy (%) 0.05%

* The values were corrected for standard temperature and pressure ** The values were corrected so they could be normalized to the actual ambient temperature recorded during that particular test run CFM/SQ.FT. leakage = area of pipe in sq. ft Times Pipe air flow in ft. per min. Divided Door area in sq. ft.

Post Test Notes and Observations:     

No visible damage was present at interleaf joint The seals between the joint and frame were visibly intact and in good condition The time to reach the 350°F mark for the elevated temperature test was 7:20 (min:sec) The time to reach the 400°F mark for the elevated temperature test was 9:00 (min:sec) Leakage rating for the elevated test was taken when the temperature was at 400°F±10°F

Air leakage rate calculations were determined using the following information:   

Inlet Air Pipe Chamber Diameter: Inlet Air Pipe Chamber Diameter: Inlet Air Pipe Chamber Area:

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3.0 inches 0.25 feet 0.049 sq. ft

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Conclusion

Intertek Testing Services NA, Inc. (Intertek) has conducted testing for Construction Specialties, Inc., on 2 mil Stainless Steel Foil, to evaluate its air leakage and elevated temperature performance. Testing was conducted in accordance following the standard methods of UL 2079, Standard for Safety, Tests for Fire Resistance of Building Joint Systems, 2015. This evaluation took place on October 29 & 30, 2015.

Based on the results of this test, the air leakage rate measured was found to be 0.00 cfm/ft at the target pressure differential of 0.3� WC for both the Ambient Temperature Test and Elevated Temperature Test.

INTERTEK TESTING SERVICES NA, INC.

Tested by:

_____________________ Jan-Michael Cabrera, M.S. Project Engineer, Fire Resistance

Reviewed by: _____________________ Joseph Zatopek Engineering Team Leader, Fire Resistance

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APPENDIX A: Assembly Drawings

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APPENDIX B: Test Data

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APPENDIX C: Photos

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Cycling Photos

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Air Leakage Testing

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CALIBRATED INSTRUMENTATION USED FOR TESTING

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Description

Serial No.

Calibration Due Date

Stop Watch

150135668

2/27/17

DAQ

99LE006

3/22/16

Analog Manometer

S460

4/14/16

Digital Anemometer

EX821208/3/4

3/25/16

Thermo/Hygrometer

140560381

08/19/15

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REVISION SUMMARY DATE October 30, 2015

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SUMMARY Original Issue Date