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<br />~ <br /> <br />2. <br />3. <br /> <br />Dye Penetrant Inspections <br />Hardness Inspection <br /> <br />Results <br /> <br />Welds - No cracks of any type are permitted. <br />Rivet/Bolts - Must be tight and snug <br />Rungs - Must be snug and tight, free of dents, holes, or deformation. <br />Side Rails - Must be free of cracks, splintering, breaks, gouges, checks, wavy conditions, or <br />deformations. <br />HardwarelButt Spurs - No excessive wear or other defects. <br />Heat Sensor Labels - No change indicating heat exposure. <br /> <br />HORIZONTAL BENDING TEST: <br /> <br />METAL FIBERGLASS LADDERS <br /> <br />Method: <br /> <br />The ladder is placed in a flat, horizontal position, supported under the first rung from each end of <br />the ladder. The ladder is extended to its maximum extended length, with pawls engaged, for this <br />test. The test load is applied equally to the center span covering 16 inches each side ofthe center <br />inclusive. A 350-pound pre-load is applied for 1 minute at the center section. The pre-load <br />applied includes the weight of the test surface. After removal of the pre-load, the distance <br />between the bottom edge of each side rail and the ladder support surface is measured. All <br />measurements are taken as close to the center ofthe center of the ladder as possible. A 500- <br />pound load is then applied and allowed to remain in place for 5 minutes. The load is then <br />removed. After 5 minutes, the distance between the bottom edge of each side rail and the ladder <br />support surface is again measured. See Notes 1. <br /> <br />Results: <br /> <br />Differences in measurements taken shall not exceed the following values: <br /> <br />Ladder Length <br />25 ft. or less <br />26 ft. or more <br />35ft. or more <br /> <br />Measurement Difference <br />~ inch <br />1 inch <br />l-l/2 inch <br /> <br />Note 1 - Folding ladders shall be tested with a pre-load weight of 160 pounds applied equally to <br />the center span covering 8 inches each side of the center. A final test weight of 225 shall be <br />applied for 5 minutes. The measurement difference for this test shall not exceed ~ inch. <br /> <br />HARDWARE TEST (Extension Ladders Only): <br /> <br />11 <br />