Open Source Helical Piers Industry Standards

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Industry Standards

  • P2 pier specifications -
  • According to [1] - 11,000 lb max compression.
  • The P2 pile is an industry standard for residential construction, compressive strength limit of 9600 lb - P2.png. It is merely standard 2" galvanized pipe.
  • Pile sizes chart - [2]
  • Note the wall thickness can be 0.154 or 0.19
  • Standard 2" pipe in Pipe Chart is 0,154"
  • According to [3] P2 is for 1-story residential, and P3 is for 2-story.
  • Types of pipes. We may need Oil Country Tubular Goods - which include drill stem. [4]

Manufacturers

See Open Source Helical Piers BOM

  • Saginaw - Alabama, Texas, and Pennsylvania. [5]
    • Has "Oil Country" 0.190 wall 2" pipe - [6]
  • Atlas Tubular - Texas [7]

Sample Installation Specification

  • RamJack specification for contractors - [8]

Relevant Specification for Piling Systems

  1. ASTM-A29 Steel Bars, Carbon and Alloy, Hot Wrought and Cold Finished
  2. ASTM-A36 Structural Carbon Steel
  3. ASTM-A53 Welded and Seamless Steel Pipe
  4. ASTM-A500, Grade C, Cold Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes
  5. ASTM-A307 Carbon Steel bolts and Studs
  6. ASTM-563 Carbon and Alloy Steel Nuts

Steel Pipe Sourcing

  1. Valmont - [9]
  2. Menards - $38 for 10' of 2" black pipe.

Links

  1. Glossary of pipe terms for Oil Country Tubular Goods - [10]
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