IFGC 2021 · Model

Chapter 4: Plastic Pipe And Fittings

75 sections in this chapter of the IFGC 2021 model text — not Model's amended edition.

401.1 Scope This chapter shall govern the design, installation, modification and maintenance of piping systems. The applicability of this code to piping systems extends from the point of delivery to the connections with the appliances and includes the design, materials, components, fabrication, assembly, installation, testing, inspection, operation and maintenance of such piping systems.

  1. 401.1Scope
  2. 401.1.1Utility piping systems located within buildings
  3. 401.2Liquefied petroleum gas storage
  4. 401.3Modifications to existing systems
  5. 401.4Additional appliances
  6. 401.5Identification
  7. 401.6Interconnections
  8. 402.1General considerations
  9. 402.2Maximum gas demand
  10. 402.3Sizing
  11. 402.4Sizing tables and equations
  12. 402.5Noncorrugated stainless steel tubing
  13. 402.6Allowable pressure drop
  14. 402.7Maximum operating pressure
  15. 403.1General
  16. 403.2Used materials
  17. 403.3Metallic pipe
  18. 403.4Metallic tubing
  19. 403.5Plastic pipe, tubing and fittings
  20. 403.5.1Anodeless risers
  21. 403.5.2LP-gas systems
  22. 403.6Workmanship and defects
  23. 403.7Protective coating
  24. 403.8Metallic pipe threads
  25. 403.9Metallic piping joints and fittings
  26. 404.1Installation of materials
  27. 404.10Isolation
  28. 404.11Protection against corrosion
  29. 404.12Minimum burial depth
  30. 404.2CSST
  31. 404.3Prohibited locations
  32. 404.4Piping in solid partitions and walls
  33. 404.5Fittings in concealed locations
  34. 404.6Underground penetrations prohibited
  35. 404.7Protection against physical damage
  36. 404.8Piping in solid floors
  37. 404.9Above-ground outdoor piping
  38. 405.1General
  39. 405.2Metallic pipe
  40. 405.3Plastic pipe
  41. 405.4Elbows
  42. 406.1General
  43. 406.1.1Inspections
  44. 406.2Test medium
  45. 406.3Test preparation
  46. 406.4Test pressure measurement
  47. 406.4.1Test pressure
  48. 406.5Detection of leaks and defects
  49. 407.1General
  50. 407.2Design and installation
  51. 408.1Slopes
  52. 408.2Drips
  53. 408.3Location of drips
  54. 408.4Sediment trap
  55. 409.1General
  56. 409.1.1Valve approval
  57. 409.2Meter valve
  58. 409.3Shutoff valves for multiple-house line systems
  59. 409.5Appliance shutoff valve
  60. 410.1Pressure regulators
  61. + 15 more sections

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