120 likes | 324 Views
Hardhat . Exemption. Exemption Program. You may be exempt from wearing a hard hat, however, you will be required to obtain a “Certificate of Exemption” . Exemption Program. If your head meets the ANSI standard for head protection you do not need a hard hat
E N D
Hardhat Exemption
Exemption Program • You may be exempt from wearing a hard hat, however, you will be required to obtain a “Certificate of Exemption”
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
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
Test #1 - Water • 24-hour water immersion test • Maximum permitted absorption is 0.5% by weight • Free breathing air will be supplied
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
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
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
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
Testing • All 5 tests must be conducted at a variety of temps ranging from –20 to 140 degrees
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
Remember • Unless your head has been duly certified, you must continue to wear your hardhat