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108 Old Senoia Road, Fayetteville, GA 30215
678-364-1442
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Georgia State Law Requires Use of DOT Helmet
Here is the Georgia Code (law)
§ 40-6-315. Headgear and eye-protective devices for riders
(a) No person shall operate or ride upon a motorcycle unless he or she is wearing protective headgear which complies with standards established by the commissioner of public safety.
(b) No person shall operate or ride upon a motorcycle if the motorcycle is not equipped with a windshield unless he or she is wearing an eye-protective device of a type approved by the commissioner of public safety.
(c) This Code section shall not apply to persons riding within an enclosed cab or motorized cart. This Code section shall not apply to a person operating a three-wheeled motorcycle used only for agricultural purposes.
(d) The commissioner of public safety is authorized to approve or disapprove protective headgear and eye-protective devices required in this Code section and to issue and enforce regulations establishing standards and specifications for the approval thereof. The commissioner shall publish in print or electronically lists of all protective headgear and eye-protective devices by name and type which have been approved.
HISTORY: Ga. L. 1969, p. 732, § 3; Code 1933, § 68A-1306, enacted by Ga. L. 1974, p. 633, § 1; Ga. L. 1984, p. 1329, § 2; Ga. L. 1990, p. 2048, § 5; Ga. L. 2000, p. 951, § 5A-8; Ga. L. 2005, p. 334, § 18-11/HB 501; Ga. L. 2010, p. 838, § 10/SB 388.
(a) No person shall operate or ride upon a motorcycle unless he or she is wearing protective headgear which complies with standards established by the commissioner of public safety.
(b) No person shall operate or ride upon a motorcycle if the motorcycle is not equipped with a windshield unless he or she is wearing an eye-protective device of a type approved by the commissioner of public safety.
(c) This Code section shall not apply to persons riding within an enclosed cab or motorized cart. This Code section shall not apply to a person operating a three-wheeled motorcycle used only for agricultural purposes.
(d) The commissioner of public safety is authorized to approve or disapprove protective headgear and eye-protective devices required in this Code section and to issue and enforce regulations establishing standards and specifications for the approval thereof. The commissioner shall publish in print or electronically lists of all protective headgear and eye-protective devices by name and type which have been approved.
HISTORY: Ga. L. 1969, p. 732, § 3; Code 1933, § 68A-1306, enacted by Ga. L. 1974, p. 633, § 1; Ga. L. 1984, p. 1329, § 2; Ga. L. 1990, p. 2048, § 5; Ga. L. 2000, p. 951, § 5A-8; Ga. L. 2005, p. 334, § 18-11/HB 501; Ga. L. 2010, p. 838, § 10/SB 388.
Rather than publish a list the commissioner provides a generalized rule eliminating the need to list every helmet by name by referencing the DOT helmet standards. Thereby stating all DOT rated helments are approved for use and on the list.
570-13-.01 Scope, Purpose, and Requirements.
(1) Scope. Future reference to standards as for specifications, statue or regulations will be the current version of the United States Department of Transportation, National Highway Traffic Safety, Federal Motor Vehicle Safety Standards; Motorcycle Helmets.
This will permit automatic adjustment to future revisions or improvements in the standards. These specifications and test methods apply to protective headgear for wear by drivers and passengers of surface vehicles and specifically exclude eye and face protective devices.
(2) Purpose. This standard specifies minimum performance criteria and test methods, performed under fixed conditions, for protective headgear designed to mitigate the adverse effects of a blow to the head.
(3) Requirements. Tests are conducted of the protective headgear assembly to ascertain compliance, under specific environmental conditions, with the following requirements:
(a) Impact attenuation properties of the protective headgear;
(b) Penetration resistance;
(c) Strength of the retention system and its attachments.
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Scope, Purpose, and Requirements" was filed on September 14, 1972; effective
October 4, 1972. Repealed: New Rule of same title adopted. F. Apr. 23, 1993; eff. May 13, 1993
570-13-.02 Definitions.
(1) Basic Plane. A plane laid out on a specific reference headform derived from the anatomic basic plane.
(2) Mid-sagittal plane. A longitudinal, or fore and aft, plane passing through the vertex of the headform, perpendicular to the basic plane, which geometrically bisects the headform.
(3) Projection. Any part that extends beyond the surface in abrupt fashion.
(4) Protective headgear. A device worn on the head, designed to mitigate the adverse effects of a blow to the head in the area specified elsewhere herein.
(5) Retention system. The completed assembly by means of which the protective headgear is maintained in position on the wearer's head.
(6) Reference plane. A plane above and parallel to the basic plane on a reference headform or test headform at a distance required by the specific testing standard.
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Definitions" was filed on September 14, 1972; effective October 4, 1972.
Repealed: New Rule of same title adopted. F. Apr. 23, 1993; eff. May 13, 1993.
570-13-.03 Construction.
(1) General. A protective headgear will consist of a hard, smooth outer surface containing the necessary means of attenuating impact energy and resisting penetration. Optional devices fitted to the protective headgear shall be so designed that they are unlikely to cause injury to the wearer in the event of an accident.
(2) Impact. A motorcycle helmet must exhibit a minimum level of shock absorbency upon impact with a fixed, hard object.
(3) Projections. The assembled headgear shall have no rigid projections inside the shell and shall limit those outside the shell to those needed to operate essential accessories. An external protrusion may not be more than .20 inch.
(4) Retention. The retention system shall be so constructed that when properly fastened, the protective headgear cannot be readily dislodged from its normal position on the wearer's head during impact conditions.
(5) Peripheral Vision. The protective headgear shall provide peripheral visual clearance of a minimum of 105 degrees peripheral vision to either side of the midsagittal plane (the middle of the face).
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Construction" was filed on September 14, 1972; effective
570-13-.04 Materials.
The materials used in the manufacture of the various parts of the protective headgear should be of durable quality, that is, their characteristics should not undergo appreciable alteration under the influence of aging or of the circumstances of use to which the protective headgear is normally subjected, such as exposure to sun, rain, cold, dust, vibration, contact with skin, perspiration, or products commonly applied to the skin or hair.
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Materials" was filed on September 14, 1972; effective October 4, 1972. Repealed:
New Rule of same title adopted. F. Apr. 23, 1993; eff. May 13, 1993.
570-13-.05 Labeling.
Every protective headgear offered for sale shall have durable labeling permanently affixed to each helmet which will include the following:
(a) manufacturers name of identification;
(b) precise model designation;
(c) size;
(d) month and year of manufacture;
(e) a certification of compliance with the standard, the DOT symbol;
(f) the labeling requirements also provide that the manufacturer must supply the
purchaser information concerning shell and liner composition, cleaning instructions , and
warnings to make no modifications, and to have the helmet checked by the manufacturer
or destroyed if it experiences a severe blow. This additional information may be
conveyed on a tag attached to the helmet, or by other appropriate means.
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Labeling" was filed on September 14, 1972; effective
570-13-.06 Extent of Protection.
(1) A manufacturer of a motorcycle helmet must certify that the helmet meets all of the standard's requirements. Those requirements include performance requirements for helmets for impact attenuation (shock absorption), penetration resistance (a sharp object striking the helmet) and retention (chin strap strength).
(2) Tests to determine compliance with these requirements are conducted under prescribed conditions with the helmet secured to a metal test headform.
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Extent of Protection" was filed on September 14, 1972; effective October 4, 1972.
Repealed: New Rule of same title adopted. F. Apr. 23, 1993; eff. May 13, 1993.
570-13-.07 Conditioning for Testing.
(1) Time. Time limitations for the impact attenuation and the penetration tests require testing start at exactly two minutes following the removal of the helmet from the conditioning environment and that the two successive impacts for each test site be completed within four minutes. If either time is not met, the helmet must be returned to the conditioning environment and the test series begun again.
(2) Impact description:
(a) The impact attenuation performance test limits the acceleration levels of the test headform.
(b) Expressed in g's, a test headform acceleration level is limited to a maximum of 400g. In addition, acceleration in excess of 200g is limited to a cumulative duration of 2.0 milliseconds and acceleration in excess of 150g to a cumulative duration of 4.0 milliseconds.
(3) Resonant frequency. The test headform may not exhibit resonant frequencies below 2,000 Hz (cycles/seconds). The purpose is to ensure that headform frequencies do not distort helmet response measurement.
(4) Monorail drop test equipment. The use of the monorail drop test equipment is recommended in the conduct of the impact attenuation test. Whatever method utilized to conduct this test (monorail, twin wire, etc.) the manufacturer must ascertain that the product will conform to the standards requirements.
(5) Headform selection. A helmet with a manufacturer's designated discrete size or size range which does not exceed 6-3/4 (European size: 54) is tested on a small headform. A helmet with a manufacturer's designated discrete size or size range which exceeds 6-3/4, but does not exceed 7-1/2 (European size: 60) is tested on the medium headform. A helmet with a manufacturer's designated discrete size or size range which exceeds 7-1/2 is tested on the large headform. A helmet with a manufacturer's designated size range which includes sizes falling into two or all three size ranges is tested on each headform
specified for each size range.
(6) Reference marking. Use a reference headform that is firmly seated with the basic and reference planes horizontal.Place the complete helmet to be tested on the appropriate reference headform. Apply a ten pound (4.5 kg) static vertical load through the helmet's apex. Center the helmet laterally and seat it firmly on the reference headform according to its helmet positioning index. Maintaining the load and position, draw a line (hereinafter referred to as "test line") on the outer surface of the helmet coinciding with portions of the intersection of that service with the appropriate planes:
(a) A plane one inch (2.5 cm) above and parallel to the reference plane in the anterior portion of the reference headform;
(b) A vertical transverse plane 2.5 inches (6.4 cm) behind the point on the anterior surface of the reference headform at the intersection of the mid-sagittal and reference planes;
(c) The reference plane of the reference headform;
(d) A vertical transverse plane 2.5 inches (6.4 cm) behind the center of the external ear opening in a side view; and
(e) A plane one inch (2.5 cm) below and parallel to the reference plane in the posterior portion of the reference headform.
(7) Helmet positioning. Before each test, fix the helmet on a test headform in the position that conforms to its helmet positioning index. Secure the helmet so that it does not shift position before impact or before application of force during testing. Place the retention system in a position such that it does not interfere with free fall, impact or penetration.
(8) Conditioning. Immediately before conducting the testing sequence specified, condition each test helmet in accordance with one of the following procedures:
(a) Ambient conditions. Expose to a temperature of 70 degrees Fahrenheit (21 degrees Celsius) and a relative humidity of fifty percent for twelve hours.
(b) Low temperature. Expose to a temperature of 14 degrees Fahrenheit (-10 degrees Celsius) for twelve hours.
(c) High temperature. Expose to a temperature of 122 degrees Fahrenheit (50 degrees Celsius) for twelve hours.
(d) Water immersion. Immerse in water at a temperature of 77 degrees Fahrenheit (25 degrees Celsius) for twelve hours.
If during testing, a helmet is returned to the conditioning environment before the time out of that environment exceeds four minutes, the helmet is kept in the environment for a minimum of three minutes before resumption of testing with that helmet. If the time out of the environment exceeds four minutes, the helmet is returned to the environment for a minimum of three minutes for each minute or portion of a minute that the helmet remained out of the environment in excess of four minutes or for a maximum of twelve hours, whichever is less, before the resumption of testing with that helmet.
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Sample for Testing" was filed on September 14, 1972; effective October 4, 1972.
Repealed: New Rule entitled "Conditioning for Testing" adopted. F. Apr. 23, 1993; eff. May 13, 1993.
570-13-.08 Test for Protective Headgear.
(1) Impact attenuation test. Impact attenuation is measured by determining acceleration imparted to an instrumented test headform on which a complete helmet is mounted. Compliance is determined by a two-party impact attenuation test. The headform with complete helmet is dropped in guided free fall upon a fixed hemispherical anvil and a fixed flat steel anvil.
(2) Impact sites. Each helmet is impacted at four sites with two successive identical impacts at each site. Two of these sites are impacted upon a flat steel anvil and two upon a hemispherical steel anvil. The impact sites are at any point on the area above the test line separated by a distance not less than one-sixth of the maximum circumference of the helmet in the test area. Impact testing at each of the four sites shall start at two minutes, and be completed by four minutes, after removal of the helmet from the conditioning environment.
(3) Guided free fall.
(a) The guided free fall drop height for the helmet and test headform combination onto the hemispherical anvil shall be such that the minimum impact speed is 17.1 feet/second (5.2m/sec.). The minimum drop height is 54.5 inches (138.4 cm). The drop height is adjusted upward from the minimum to the extent necessary to compensate for friction losses.
(b) The guided free fall drop height for the helmet and test headform combination onto the flat anvil shall be such that the minimum impact speed is 19.7 ft./sec. (6.0 m/sec.). The minimum drop height is 72 inches (182.9). The drop height is adjusted upward from the minimum to the extent necessary to compensate for friction losses.
(c) The weight of the drop assembly is the combined weight of the test headform and the supporting assembly for the drop test. The weight of the supporting assembly is not less than 2.0 lbs. and not more than 2.4 lbs. (0.9 to 1.1 kg.). The supporting assembly weight for the monorail system is the drop assembly weight minus the combined weight of the test headform, the headform's clamp down ring and its tie down screws.
(4) Anvil construction and mounting. The flat anvil is constructed of steel with a five inch (12.7 cm) minimum diameter impact face, and the hemispherical anvil is constructed of steel with a 1.9 inch (4.8 cm) radius impact face. The rigid mount for both of the anvils consists of a solid mass of at least three hundred pounds (136.1 kg.), the outer surface of which consists of a steel plate with minimum thickness of one inch (2.5 cm) and minimum surface area of 1 ft X 1 ft (929 cm X 929 cm).
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Conditioning for Testing" was filed on September 14, 1972; effective October 4,
1972. Repealed: New Rule entitled "Test for Protective Headgear" adopted. F. Apr. 23, 1993; eff. May 13,
1993.
570-13-.09 Penetration Test.
(1) The penetration test is conducted by dropping the penetration test striker in guided free fall, with its axis aligned vertically, onto the outer surface of the complete helmet at any point above the test line (except on a fastener or other rigid projection).
(2) Number and Location of Blows. Two penetration blows are applied at least three inches (7.6 cm) apart and at least three inches (7.6 cm) from the centers of any impacts applied during the impact attenuation test. The application of the two penetration blows starts at two minutes and is completed by four minutes after removal from the conditioning environment.
(3) Guided free fall. The height of the guided free fall is 118.1 inches (3 m) as measured from the striker point to the impact point on the outside surface of the test helmet.
(4) Conditions of Penetration Test.
(a) The contactable surface of the penetration test head for is constructed of a metal or metallic alloy having a Brinell hardness number no greater than 55 which will permit ready detection should contact by the striker occur. The surface is refinished if necessary before each penetration test blow to permit detection of contact by the striker.
(b) The weight of the penetration striker is six pounds, ten ounces (3 kg.).
(c) The point of the striker has an included angle of sixty degrees, a cone height of 1.5 inches (3.8 cm), a tip radius of 0.02 inch (standard 0.5 millimeter radius), and a minimum hardness of 60 Rockwell, C-scale.
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814) O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Test for Protective Headgear" was filed on September 14, 1972; effective October
4, 1972. Repealed: New Rule entitled "Penetration Test" adopted. F. Apr. 23, 1993; eff. May 13, 1993.
570-13-.10 Test of Tensile Strength of Retaining System.
(1) Test. The retention system test is conducted by applying a static tensile load to the retention assembly of a complete helmet which is mounted on a stationary test headform and by measuring the movement of the adjustable portion of the retention system test device under tension.
(2) Test Device. The retention system test device consists of both an adjustable loading mechanism by which a static tensile load is applied to the helmet retention assembly and a means for holding the test headform and helmet stationary.The retention assembly is fastened around two freely moving rollers, both of which have a 0.5 inch (1.3 cm) diameter and a three inch (7.6 cm) center-to-center separation and which are mounted on the adjustable portion of the tensile loading device. The helmet is fixed on the test headform as necessary to ensure that it does not move during the application of the test loads to the retention assembly.
(3) Tension.
(a) A fifty pound (22.7 kg) preliminary test load is applied to the retention assembly, normal to the basic plane of the test headform and symmetrical with respect to the center of the retention assembly for thirty seconds, and the maximum distance from the extremity of the adjustable portion of the retention system test device to the apex of the helmet is measured.
(b) An additional 250-pound (113.4 kg) test load is applied to the retention assembly, in the same manner and at the same location for 120 seconds, and the maximum distance from the extremity of the adjustable portion of the retention system test device to the apex of the helmet is measured.
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Penetration Test" was filed on September 14, 1972; effective October 4, 1972.
Repealed: New Rule entitled "Test of Tensile Strength of Retaining System" adopted. F. Apr. 23, 1993;
eff. May 13, 1993.
570-13-.06 Extent of Protection.
(1) A manufacturer of a motorcycle helmet must certify that the helmet meets all of the standard's requirements. Those requirements include performance requirements for helmets for impact attenuation (shock absorption), penetration resistance (a sharp object striking the helmet) and retention (chin strap strength).
(2) Tests to determine compliance with these requirements are conducted under prescribed conditions with the helmet secured to a metal test headform.
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Extent of Protection" was filed on September 14, 1972; effective October 4, 1972.
Repealed: New Rule of same title adopted. F. Apr. 23, 1993; eff. May 13, 1993.
570-13-.07 Conditioning for Testing.
(1) Time. Time limitations for the impact attenuation and the penetration tests require testing start at exactly two minutes following the removal of the helmet from the conditioning environment and that the two successive impacts for each test site be completed within four minutes. If either time is not met, the helmet must be returned to the conditioning environment and the test series begun again.
(2) Impact description:
(a) The impact attenuation performance test limits the acceleration levels of the test headform.
(b) Expressed in g's, a test headform acceleration level is limited to a maximum of 400g. In addition, acceleration in excess of 200g is limited to a cumulative duration of 2.0 milliseconds and acceleration in excess of 150g to a cumulative duration of 4.0 milliseconds.
(3) Resonant frequency. The test headform may not exhibit resonant frequencies below 2,000 Hz (cycles/seconds). The purpose is to ensure that headform frequencies do not distort helmet response measurement.
(4) Monorail drop test equipment. The use of the monorail drop test equipment is recommended in the conduct of the impact attenuation test. Whatever method utilized to conduct this test (monorail, twin wire, etc.) the manufacturer must ascertain that the product will conform to the standards requirements.
(5) Headform selection. A helmet with a manufacturer's designated discrete size or size range which does not exceed 6-3/4 (European size: 54) is tested on a small headform. A helmet with a manufacturer's designated discrete size or size range which exceeds 6-3/4, but does not exceed 7-1/2 (European size: 60) is tested on the medium headform. A helmet with a manufacturer's designated discrete size or size range which exceeds 7-1/2 is tested on the large headform. A helmet with a manufacturer's designated size range which includes sizes falling into two or all three size ranges is tested on each headform
specified for each size range.
(6) Reference marking. Use a reference headform that is firmly seated with the basic and reference planes horizontal.Place the complete helmet to be tested on the appropriate reference headform. Apply a ten pound (4.5 kg) static vertical load through the helmet's apex. Center the helmet laterally and seat it firmly on the reference headform according to its helmet positioning index. Maintaining the load and position, draw a line (hereinafter referred to as "test line") on the outer surface of the helmet coinciding with portions of the intersection of that service with the appropriate planes:
(a) A plane one inch (2.5 cm) above and parallel to the reference plane in the anterior portion of the reference headform;
(b) A vertical transverse plane 2.5 inches (6.4 cm) behind the point on the anterior surface of the reference headform at the intersection of the mid-sagittal and reference planes;
(c) The reference plane of the reference headform;
(d) A vertical transverse plane 2.5 inches (6.4 cm) behind the center of the external ear opening in a side view; and
(e) A plane one inch (2.5 cm) below and parallel to the reference plane in the posterior portion of the reference headform.
(7) Helmet positioning. Before each test, fix the helmet on a test headform in the position that conforms to its helmet positioning index. Secure the helmet so that it does not shift position before impact or before application of force during testing. Place the retention system in a position such that it does not interfere with free fall, impact or penetration.
(8) Conditioning. Immediately before conducting the testing sequence specified, condition each test helmet in accordance with one of the following procedures:
(a) Ambient conditions. Expose to a temperature of 70 degrees Fahrenheit (21 degrees Celsius) and a relative humidity of fifty percent for twelve hours.
(b) Low temperature. Expose to a temperature of 14 degrees Fahrenheit (-10 degrees Celsius) for twelve hours.
(c) High temperature. Expose to a temperature of 122 degrees Fahrenheit (50 degrees Celsius) for twelve hours.
(d) Water immersion. Immerse in water at a temperature of 77 degrees Fahrenheit (25 degrees Celsius) for twelve hours.
If during testing, a helmet is returned to the conditioning environment before the time out of that environment exceeds four minutes, the helmet is kept in the environment for a minimum of three minutes before resumption of testing with that helmet. If the time out of the environment exceeds four minutes, the helmet is returned to the environment for a minimum of three minutes for each minute or portion of a minute that the helmet remained out of the environment in excess of four minutes or for a maximum of twelve hours, whichever is less, before the resumption of testing with that helmet.
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Sample for Testing" was filed on September 14, 1972; effective October 4, 1972.
Repealed: New Rule entitled "Conditioning for Testing" adopted. F. Apr. 23, 1993; eff. May 13, 1993.
570-13-.08 Test for Protective Headgear.
(1) Impact attenuation test. Impact attenuation is measured by determining acceleration imparted to an instrumented test headform on which a complete helmet is mounted. Compliance is determined by a two-party impact attenuation test. The headform with complete helmet is dropped in guided free fall upon a fixed hemispherical anvil and a fixed flat steel anvil.
(2) Impact sites. Each helmet is impacted at four sites with two successive identical impacts at each site. Two of these sites are impacted upon a flat steel anvil and two upon a hemispherical steel anvil. The impact sites are at any point on the area above the test line separated by a distance not less than one-sixth of the maximum circumference of the helmet in the test area. Impact testing at each of the four sites shall start at two minutes, and be completed by four minutes, after removal of the helmet from the conditioning environment.
(3) Guided free fall.
(a) The guided free fall drop height for the helmet and test headform combination onto the hemispherical anvil shall be such that the minimum impact speed is 17.1 feet/second (5.2m/sec.). The minimum drop height is 54.5 inches (138.4 cm). The drop height is adjusted upward from the minimum to the extent necessary to compensate for friction losses.
(b) The guided free fall drop height for the helmet and test headform combination onto the flat anvil shall be such that the minimum impact speed is 19.7 ft./sec. (6.0 m/sec.). The minimum drop height is 72 inches (182.9). The drop height is adjusted upward from the minimum to the extent necessary to compensate for friction losses.
(c) The weight of the drop assembly is the combined weight of the test headform and the supporting assembly for the drop test. The weight of the supporting assembly is not less than 2.0 lbs. and not more than 2.4 lbs. (0.9 to 1.1 kg.). The supporting assembly weight for the monorail system is the drop assembly weight minus the combined weight of the test headform, the headform's clamp down ring and its tie down screws.
(4) Anvil construction and mounting. The flat anvil is constructed of steel with a five inch (12.7 cm) minimum diameter impact face, and the hemispherical anvil is constructed of steel with a 1.9 inch (4.8 cm) radius impact face. The rigid mount for both of the anvils consists of a solid mass of at least three hundred pounds (136.1 kg.), the outer surface of which consists of a steel plate with minimum thickness of one inch (2.5 cm) and minimum surface area of 1 ft X 1 ft (929 cm X 929 cm).
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Conditioning for Testing" was filed on September 14, 1972; effective October 4,
1972. Repealed: New Rule entitled "Test for Protective Headgear" adopted. F. Apr. 23, 1993; eff. May 13,
1993.
570-13-.09 Penetration Test.
(1) The penetration test is conducted by dropping the penetration test striker in guided free fall, with its axis aligned vertically, onto the outer surface of the complete helmet at any point above the test line (except on a fastener or other rigid projection).
(2) Number and Location of Blows. Two penetration blows are applied at least three inches (7.6 cm) apart and at least three inches (7.6 cm) from the centers of any impacts applied during the impact attenuation test. The application of the two penetration blows starts at two minutes and is completed by four minutes after removal from the conditioning environment.
(3) Guided free fall. The height of the guided free fall is 118.1 inches (3 m) as measured from the striker point to the impact point on the outside surface of the test helmet.
(4) Conditions of Penetration Test.
(a) The contactable surface of the penetration test head for is constructed of a metal or metallic alloy having a Brinell hardness number no greater than 55 which will permit ready detection should contact by the striker occur. The surface is refinished if necessary before each penetration test blow to permit detection of contact by the striker.
(b) The weight of the penetration striker is six pounds, ten ounces (3 kg.).
(c) The point of the striker has an included angle of sixty degrees, a cone height of 1.5 inches (3.8 cm), a tip radius of 0.02 inch (standard 0.5 millimeter radius), and a minimum hardness of 60 Rockwell, C-scale.
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814) O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Test for Protective Headgear" was filed on September 14, 1972; effective October
4, 1972. Repealed: New Rule entitled "Penetration Test" adopted. F. Apr. 23, 1993; eff. May 13, 1993.
570-13-.10 Test of Tensile Strength of Retaining System.
(1) Test. The retention system test is conducted by applying a static tensile load to the retention assembly of a complete helmet which is mounted on a stationary test headform and by measuring the movement of the adjustable portion of the retention system test device under tension.
(2) Test Device. The retention system test device consists of both an adjustable loading mechanism by which a static tensile load is applied to the helmet retention assembly and a means for holding the test headform and helmet stationary.The retention assembly is fastened around two freely moving rollers, both of which have a 0.5 inch (1.3 cm) diameter and a three inch (7.6 cm) center-to-center separation and which are mounted on the adjustable portion of the tensile loading device. The helmet is fixed on the test headform as necessary to ensure that it does not move during the application of the test loads to the retention assembly.
(3) Tension.
(a) A fifty pound (22.7 kg) preliminary test load is applied to the retention assembly, normal to the basic plane of the test headform and symmetrical with respect to the center of the retention assembly for thirty seconds, and the maximum distance from the extremity of the adjustable portion of the retention system test device to the apex of the helmet is measured.
(b) An additional 250-pound (113.4 kg) test load is applied to the retention assembly, in the same manner and at the same location for 120 seconds, and the maximum distance from the extremity of the adjustable portion of the retention system test device to the apex of the helmet is measured.
Authority Ga. L. 1969 Sess., pp. 732-733 (Ga. Code Ann. 68-1814). O.C.G.A. Sec. 40-6-315. History.
Original Rule entitled "Penetration Test" was filed on September 14, 1972; effective October 4, 1972.
Repealed: New Rule entitled "Test of Tensile Strength of Retaining System" adopted. F. Apr. 23, 1993;
eff. May 13, 1993.