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Published byJack Dawson Modified over 8 years ago
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Hardhat Exemption
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Exemption Program You may be exempt from wearing a hard hat, however, you will be required to obtain a “Certificate of Exemption”
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Exemption Program If your head meets the ANSI standard for head protection you do not need a hard hat Contact the safety coordinator to schedule testing at the earliest possible time
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Certificate Upon passing a 5-part test you will receive a beautiful embossed certificate, suitable for framing, identifying your head as conforming to ANSI Z89.1 Receive wallet-sized card that you must carry at all times
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Test #1 - Water 24-hour water immersion test Maximum permitted absorption is 0.5% by weight Free breathing air will be supplied
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Test #2 - Impact Lay down with your head resting on a steel plate An 8 lb steel ball will be dropped several times from a height of 5’ You pass if there is no damage to your head
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Test #3 - Chemicals Your head is subjected to a variety of acids, gases, solvents, oils & industrial gases You must pass with no deformities or obvious color change
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Test #4 - Fire Your head is subjected to a propane torch for five minutes If it only slowly burns, you will achieve only class A or B rating If, on completion, there are any holes in your head, you will be restricted to a B rating
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Test #5 - Electrical you must sustain 2,200 volts, 50 Hz, for 3 minutes with leakage current not exceeding 9 milliamps Breakdown threshold has been established at 300,000 volts
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Testing All 5 tests must be conducted at a variety of temps ranging from –20 to 140 degrees
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Exemption If you don’t feel qualified, do not despair Although not as attractive as your hair, your hard hat does meet all of these requirements
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Remember Unless your head has been duly certified, you must continue to wear your hardhat
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