Pipeline

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Pipeline Mike Cox State Conservation Engineer
Contractor Certification Training March 2008
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Pipeline (516)

• Purpose Conveying Water from a Source of Supply
  to Points of Use for Livestock, Wildlife, or
  Recreation.

• Most Pipelines in Indiana are to provide water
  for grazing livestock

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• Pipeline Standard (516)
• Working pressure shall not exceed 72 of the
  pressure rating of the pipe
• Approved backflow device shall be installed if
  the pipeline may be used for human consumption
• Will be buried below frost line or protected from
  freezing

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• Pipeline Installation
• Must be installed to the minimum depth specified
  on the plans
• Typically 24 to 36 depending on area of the
  state
• System shall be pressure tested at the designed
  working pressure for 2 hours

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• Pipeline Installation
• If limestone or large rock is encountered, the
  pipe may need bedding
• Trench shall be undercut a minimum of 4 inches
• 4 inches of sand, compacted fine grain soils,
  crushed limestone (11) or pea gravel
• Final backfill material shall be free of large
  rocks, frozen clods, and other debris greater
  than 3 inches in diameter

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Installation Report IN-ENG-74 http//www.in.nrcs
.usda.gov/technical/engineering/ConsDrawings/pdf/i
n-eng-74.pdf
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NRCS
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