Answer
| Unified Requirements (UR) | Procedural Requirements (PR) |
|---|---|---|
De finition | Technical resolutions adopted by IACS concerning specific technical matters of ship design, construction, machinery, and equipment. | Standardized procedures adopted by IACS regarding the administrative implementation of class and statutory survey/audit activities. |
| Establishes uniform technical standards across all member classification societies. | Ensures consistent operational procedures and coordination between class societies. |
Class Rules Int egration | Member societies must incorporate URs into their individual class rules within specified timeframes (unless a formal reservation is declared). | Member societies must strictly enforce these procedural rules in their operational surveyor workflows. |
Typical Examples | • UR M: Machinery installations (e.g., UR M10 for crankshafts). • UR E: Electrical installations. • UR Z: Hull survey requirements (ESP). | • PR 1A: Transfer of Class Procedure. • PR 11: Procedure for Certification of Statutory Functions. • PR 17: Reporting of PSC Detentions. |