N.Y. Comp. Codes R. & Regs. tit. 12, § 14-10.11
Rivets.
Department of Labor
When the diameter of the rivet holes in the longitudinal joints of a boiler is not known, the diameter and cross-sectional area of rivets, after driving, may be ascertained from Table X-1, or by cutting out one or more rivets in the body of the joint. Table X-1 Sizes of Rivets Based on Plate Thickness
Table X-1
Sizes of Rivets Based on Plate Thickness
| Thickness of plate | 1/4″ | 9/32″ | 5/16″ | 11/32″ | 3/8″ | 13/32″ |
| Diameter of rivet after driving | 11/16″ | 11/16″ | 3/4″ | 3/4″ | 13/16″ | 13/16″ |
| Thickness of plate | 7/16″ | 15/32″ | 1/2″ | 9/16″ | 5/8″ | . . . |
| Diameter of rivet after driving | 15/16″ | 15/16″ | 15/16″ | 1-1/16″ | 1-1/16″ | . . . |