A-A-51988
TABLE II. Categories and Defects.
|
Categories |
Defects |
|
Major |
|
|
101 |
Stool not free of sharp edges. |
|
102 |
Stool not free of rocking when the four legs are placed on a smooth flat surface. |
|
103 |
Seat does not maintain height either free standing or under normal load. |
|
104 |
Vertical position of the seat cannot be changed; seat cannot be revolved without binding. |
|
105 |
Steel caps or plugs not present on floor end of legs. |
|
106 |
Steel caps or plugs not permanently and firmly secured. |
|
107 |
Rubber crutch tips not present. |
|
108 |
Rubber crutch tips do not fit snugly. |
|
109 |
Type, number, and length of welds not as specified. |
|
110 |
Welds not free of cracks. |
|
Minor |
|
|
201 |
Stool not free of grind marks, trim marks, bugles, and scratches. |
|
202 |
Upper surface of seat not concave. |
|
203 |
Unexposed welds not properly cleaned. |
|
204 |
Undersurface of seat no painted. |
|
205 |
Painted surface not free of blisters. |
|
206 |
Rubber crutch tips not free of tears. |
|
207 |
Unpainted welds not ground and polished smooth. |
Dimensional Examination. The stools shall be examined for defects in dimensions. Any dimension not within the specifications herein shall be classified as a defect.
Tests. Tests shall be conducted, as necessary, to determine compliance with specification requirements.
Electrical conductivity. The stool with rubber tips in place shall be tested in accordance with NFPA 56A.
Metric products. Products manufactured to metric dimensions will be considered on an equal basis with those manufactured using inch-pound units, providing they fall within the tolerance specified using conversion tables contained in the latest revision of Federal Standard 376, and all other requirements of this document are met.
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