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Document #524734 Rev F, Vol. 8 27 SunPower Proprietary <br />InvisiMount Span Tables <br />Part 2: General Tables (ASCE 7 Analytical Method) <br />How to Use These Tables <br /> Determine the snow load and roof height for the site and select the corresponding table. <br /> Determine the wind speed and roof slope for the site. The value in the table, for this wind speed and roof <br />slope, is the allowable span between attachment points, in inches. <br /> See figure below for locations of zones 1, 2 and 3. Dimension “a” is 10% of the least horizontal dimension <br />or 0.4h, whichever is smaller, but not less than either 4% of the least horizontal dimension or 3 feet. <br />1931 W <br />Rd - 208/07/23