GB 44172-2024Safety management requirements for hot work in shipyard (English PDF)

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document.

GB 9448 Welding and cutting safety

GB 39800.1 Specification for personal protective equipment Part

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Hot work Work involving exposed flames and hot workpieces.

Note. This includes hot work such as welding, gas cutting, cutting, carbon arc gouging, pyrotechnic correction, etc.

3.2 confined space Closed or partially closed, not designed as a fixed workplace, people can enter to work, which may cause toxic, harmful, flammable and explosive substances Spaces where matter accumulates or oxygen content is insufficient.

4 Open flame work classification

4.1 Assignment Grading Enterprises should classify open flame operations according to the complexity, danger and hazard of the on-site operating environment. It is divided into three levels. level one open flame operation, level two open flame operation and level three open flame operation.

4.2 Level 1 open flame operation Level 1 open flame operations are mainly carried out in the following places/parts/areas. Ship space/part/area.

a) Fuel tank after refueling/gassing; 1) Tanks, cabinets, boxes, piping systems, equipment, etc. that carry oil/gas or have not been cleaned of oil/gas after unloading; 2) Pressure vessels and pipelines in operation; 3) With inflammable and explosive compartments, refrigerant compartments, etc.; 4)