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SolarDock Mechanical Load Testing Info Sheet
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Product Engineering & Testing Mechanical Load Tests Test SolarDock hung upside down during Mechanical Load Testing at TUV Rheinland. A pallet of bricks is hung from the bottom of the SolarDock, simulating upward pressure on the system. Tests performed: Proposed UL2703 Mechanical Loading Tests - Downward & Upward Pressure Performed by: TUV Rheinland (NRTL) Duration of tests: 30 minutes each Weight tested: Downward Pressure: 113 lbs/sf (5400 pa) Upward Pressure: 50 lbs/sf (2400 Pa) Results: Successfully passed both tests, easily surpassing the Proposed UL2703 Mechanical Load requirements About Mechanical Loading Why are Mechanical Load Tests important? Since solar arrays are located outside they will be exposed to all sorts of extreme weather during their lifetimes. Mechanical Load tests are required by the proposed UL 2703 standard to demonstrate that the mounting/ racking system will not collapse, break or fail under typical conditions. Systems that cannot withstand those forces can damage solar modules, property, and people since they cannot hold the solar equipment in place. How does a Nationally Recognized Test Lab (NRTL) test the mechanical strength of the system? A test system is provided to the NRTL, who then places weight on the system that mimics the Upward or Downward Pressure a system can experience. For Downward Pressure, weight is placed on top of the system. For Upward Pressure, the system is hung upside down, and weight is attached to the bottom. What are examples of Upward and Downward Pressure? Upward Pressure could be high winds that flow under the system and force it upward. Downward Pressure could be the accumulated weight of a heavy, wet snowfall. How do I know what Mechanical Load capability my solar mounting/racking system will need? Your system designer or engineer should take into account the local building codes when selecting equipment. For example, arrays in snow prone areas will typically require higher Downward Pressure Loads to be sure the system will safely operate during extreme winter conditions. Learn more about SolarDock’s Product Engineering and Testing at www.solardock.com
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Transcript of SolarDock Mechanical Load Testing Info Sheet
Product Engineering & Testing
Mechanical Load Tests
Test SolarDock hung upside down during Mechanical Load Testing at TUV Rheinland. A pallet of bricks is hung from the bottom of the SolarDock, simulating upward pressure on the system.
Tests performed: Proposed UL2703 Mechanical Loading Tests - Downward & Upward Pressure
Performed by: TUV Rheinland (NRTL)
Duration of tests: 30 minutes each
Weight tested:Downward Pressure: 113 lbs/sf (5400 pa)Upward Pressure: 50 lbs/sf (2400 Pa)
Results: Successfully passed both tests, easily surpassing the Proposed UL2703 Mechanical Load requirements
About Mechanical LoadingWhy are Mechanical Load Tests important?Since solar arrays are located outside they will be exposed to all sorts of extreme weather during their lifetimes. Mechanical Load tests are required by the proposed UL 2703 standard to demonstrate that the mounting/racking system will not collapse, break or fail under typical conditions. Systems that cannot withstand those forces can damage solar modules, property, and people since they cannot hold the solar equipment in place.
How does a Nationally Recognized Test Lab (NRTL) test the mechanical strength of the system?A test system is provided to the NRTL, who then places weight on the system that mimics the Upward or Downward Pressure a system can experience. For Downward Pressure, weight is placed on top of the system. For Upward Pressure, the system is hung upside down, and weight is attached to the bottom.
What are examples of Upward and Downward Pressure?Upward Pressure could be high winds that flow under the system and force it upward. Downward Pressure could be the accumulated weight of a heavy, wet snowfall.
How do I know what Mechanical Load capability my solar mounting/racking system will need?Your system designer or engineer should take into account the local building codes when selecting equipment. For example, arrays in snow prone areas will typically require higher Downward Pressure Loads to be sure the system will safely operate during extreme winter conditions.
Learn more about SolarDock’s Product Engineering and Testing at www.solardock.com
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