Codes We Use for Fabrication

ASME VIII, DIV 1: Rules for Construction of Pressure Vessels

ASME III, DIV 1: Rules for Construction of Nuclear Facility Components

B31.1, Power Piping: Piping Typically found in electric power generating stations, in industrial and institutional plants, geothermal heating systems, and central and district heating and cooling systems.

B31.3, Process Piping: Piping typically found in petroleum refiners; chemical, pharmaceutical, textile, paper, semiconductors, and cryogenic plants; and related processing plants and terminals

B31.4, Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids: Piping transporting products that are predominately liquid between plants and terminals and within terminals, pumping, regulating, and secondary coolants.

B31.8, Gas Transportation and Distribution Piping Systems: Piping transporting products that are predominately gas between sources and terminals, including compressor, regulating, and metering stations; gas gathering pipelines.

API 1104: Welding of Pipeline and Related Facilities

MSS SP 58; Manufacturers Standardization Society SP 58: PT&P follows the basic design set forth by MSS SP 58 for pipe hangers and supports.

MSS SP 69; Manufacturers Standardization Society SP 69: PT&P follows the basic designs set forth by MSS SP 69 for the selection and application of pipe hangers and supports.


Materials are procured to:


  • Part A: Ferrous Materials Specifications
  • Part B: Nonferrous Material Specifications
  • Part C: Specs. for Welding Rods Electrodes & Filler Metals

ASTM: American Society for Testing and Materials – Guidelines for safety and standardization of manufactured goods.

AISC: The American Institute of Steel Construction (AISC)