4 Va. Admin. Code § 25-40-4360
Current through Register Vol. 41, No. 6, November 4, 2024
Diameters of head sheaves and hoist drums shall conform to the following specifications:
| Rope construction | Diameter of sheave and drum | |
| Recommended Times rope diameter | Minimum Times rope diameter | |
| 6 x 7 classification | 72 | 42 |
| 6 x 19 | 45 | 30 |
| 6 x 37 | 20 | 18 |
| 6 x 25 type B, flattened strand | 45 | 30 |
| 6 x 27 type H, flattened strand | 45 | 30 |
| 6 x 30 type G, flattened strand | 45 | 30 |
| 18 x 7 classification | 51 | 34 |
4 Va. Admin. Code § 25-40-4360
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.