FM GLOBAL 1-52 ASTM E 907 SIMULATING WIND UPLIFT PRESSURE TO VERIFY RESISTANCE OF LOW-SLOPE MEMBRANE...
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Transcript of FM GLOBAL 1-52 ASTM E 907 SIMULATING WIND UPLIFT PRESSURE TO VERIFY RESISTANCE OF LOW-SLOPE MEMBRANE...
![Page 1: FM GLOBAL 1-52 ASTM E 907 SIMULATING WIND UPLIFT PRESSURE TO VERIFY RESISTANCE OF LOW-SLOPE MEMBRANE ROOFS.](https://reader030.fdocuments.net/reader030/viewer/2022032702/56649cc05503460f94986f2f/html5/thumbnails/1.jpg)
BUILDING ENVELOPE CONSULTING SERVICES
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CONSTRUCTION COMPLIANCE TESTING
STORM RELATED ROOF DAMAGE ASSESSMENTS
FORENSIC INVESTIGATIONS
LITIGATION SUPPORT
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FM GLOBAL 1 – 52 FIELD UPLIFT TESTS
ASTM E 907 FIELD TESTING UPLIFT RESISTANCE OF ADHERED MEMBRANE ROOFING SYSTEMS
ASTM E 1105 STANDARD TEST METHOD FOR FIELD DETERMINATION OF WATER PENETRATION OF INSTALLED EXTERIOR WINDOWS, SKYLIGHTS, DOORS, AND CURTAIN WALLS
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NEGATIVE PRESSURE TESTING
FM GLOBAL 1-
52
ASTM E 907
SIMULATING WIND UPLIFT PRESSURE TO
VERIFY RESISTANCE OF LOW-SLOPE
MEMBRANE ROOFS
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WIND
WIND ACTS A FLUID FLOWING
OVER AND AROUND
STANTIONARY OBJECTS
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WIND
25 psf
~ 25 psf
WIND CAUSES A POSITIVE
PRESSURE ON THE WINDWARD
SIDE OF THE OBJECT
AND CAN CAUSE A NEGATIVE (UPWARD)
PRESSURE ON THE ROOF
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WIND
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AFTER THE STORM
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BUR - DELAMINATION
Poor Adhesion Between Deck and Insulation
Poor Adhesion Between Insulation and Cover
BoardPoor Adhesion Between
Cover Board and Membrane
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BUR - DELAMINATION
Poor Adhesion Between Cover Board and
Membrane
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TPO - DELAMINATION
Poor Adhesion Between Insulation and
Membrane
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TPO - DELAMINATION
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BUR - FASTENER FAILURE
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BEFORE THE STORM…
NEGATIVE PRESSURE TESTINGCONSTRUCTION COMPLIANCE AND RISK ASSESSMENT
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NEGATIVE PRESSURE TESTING
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NEGATIVE PRESSURE TESTING
5’ SQ Chamber Imposes an Uplift
Force on the MembranePressure is
Incrementally Increased to the
Design Test Pressure
Deflection of the Membrane is
Measured and Compared to Performance
Criteria
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NEGATIVE PRESSURE TESTING
Fastener holding adequately at test
pressure
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NEGATIVE PRESSURE TEST
Application Acceptance of new (including re-roofed and
re-covered) above-deck roofing assemblies by FM Global…in regions that are both prone to hurricanes, typhoons or tropical cyclones and where design wind speeds are at least 100 mph (FM 1-52).
Field verification of adhesion of low-slope roof for the issuance of a certificate of insurability. For example WPI-8 for the Texas Department of Insurance (TDI).
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NEGATIVE PRESSURE TEST
Application Risk Assessment – as part of the evaluation
of a property this test could be used to determine probable loss at incremental pressure (Hurricane Strengths).
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CURTAIN WALL TESTING
NEW CONSTRUCTIONFORENSIC INVESTIGATIONSRISK ASSESSMENTDUE DILIGENCE
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CURTAIN WALL TESTING
Rack Calibrated to Deliver 5 gal / sf /
hr
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CURTAIN WALL TESTING
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CURTAIN WALL TESTING
Pressure Differential
Imposed Across System
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CURTAIN WALL TESTING
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CURTAIN WALL TESTING
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CURTAIN WALL TESTING
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CURTAIN WALL TESTING
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CURTAIN WALL TESTING
Water Infiltration
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FORENSIC – COMPONENT ISOLATION
The Forensic Version of the Test Allows For
Isolation of Various
Components to Determine Mode
of Failure.
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FORENSIC – COMPONENT ISOLATION
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FORENSIC – COMPONENT ISOLATION
IR Images During Test Help Indentify Path of
Water Intrusion
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FORENSIC – COMPONENT ISOLATION
IR Images During Test Help Indentify Path of
Water Intrusion
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DESTRUCTIVE OBSERVATIONS…SOMETIMES YOU JUST NEED TO OPEN THE WALL AND SEE WHAT IS HAPPENING
FORENSIC INVESTIGATIONSLITIGATION SUPPORT
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WATER INFILTRATION INVESTIGATIONS
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WATER INFILTRATION INVESTIGATIONS
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WATER INFILTRATION INVESTIGATIONS
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WATER INFILTRATION INVESTIGATIONS
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WATER INFILTRATION INVESTIGATIONS
Remove Finish Materials
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WATER INFILTRATION INVESTIGATIONS
Document MC of Framing
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WATER INFILTRATION INVESTIGATIONS
Run Component Isolating Water Test to
Determine Mode of Failure
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BUILDING ENVELOPE SURVEY
NEW CONSTRUCTIONLITIGATION SUPPORTFORENSIC INVESTIGATIONSRISK ASSESSMENTDUE DILIGENCE
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BUILDING ENVELOPE SURVEYS
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BUILDING ENVELOPE SURVEYS
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BUILDING ENVELOPE SURVEYS
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BUILDING ENVELOPE SURVEYS
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BUILDING ENVELOPE SURVEYS