Local 7 Wiki

Section 61: Four or Six-piece Flat-end Tank with a Rise

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Required Information

  • Total circumference
  • Rise

Formulas and Measurements

  • Divide the circumference of the tank: (insulation included) by the number of pieces required for the top, to find the length of the heel Calculate the length of the rise.
  • Here are two methods: Rise = Tangent of an angle X the Center Line Radius The square root of A squared + B squared = Slant Height Be sure to add for Standing Rib or Pittsburg Seam allowances as well as Easy Edge allowances.

Procedure

  1. Step 1

    Divide the circumference of the tank: (insulation included) by the number of pieces required for the top, to find the length of the heel

  2. Step 2

    Calculate the length of the rise. Here are two methods: Rise = Tangent of an angle X the Center Line Radius The square root of A squared + B squared = Slant Height

  3. Step 3

    Be sure to add for Standing Rib or Pittsburg Seam allowances as well as Easy Edge allowances. Pipe 411---- Slant Hel ht