Abs class notation sh shcm e what does it mean?

SafeHull Construction Monitoring (SHCM) - This notation is assigned to vessels that have been found in compliance with Part 5C, Appendix 1, "Guide for SafeHull Construction Monitoring Program" of the ABS Rules for Building and Classing Steel Vessels. This notation is required for Oil or Fuel Oil Carriers, Bulk or Ore Carriers, Combination Carriers and Container Carriers designed to Part 5C, Chapters 1, 3 and 5 of ABS Rules for Building and Classing Steel Vessels, respectively. The SHCM notation is also required for Membrane Tank LNG Carriers that have been designed in accordance with the ABS Guide for Building and Classing Membrane Tank LNG Vessels and assigned the SafeHull notation SH and for Liquefied Petroleum Gas Carriers with Type-A Independent Tanks that have been design in accordance with the ABS Guide for Building and Classing Liquefied Petroleum Gas Carriers with Type-A Independent Tanks and assigned the SafeHull notation SH.