PipelineMike Cox

State Conservation Engineer

Contractor Certification Training

March 2008

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

Pipeline (516)

Most Pipelines in Indiana are to

provide water for grazing livestock

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

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

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

Installation Report

IN-ENG-74

http://www.in.nrcs.usda.gov/technical/engineering/ConsDrawings/pdf/in-eng-74.pdf

United States Department of Agriculture IN-ENG-74 Natural Resources Conservation Service (8-06)

PIPELINE INSTALLATION REPORT OWNER/USER NAME: __________________________ Tract No. ______________ COUNTY: __________________ LOCATION: ________________ Section_______ Township _______ Range _______ Pipeline or Segment Number

Pipe Outside Diameter (in)

Length Installed

(feet)

Material Type

Pipe Schedule or SDR

Pressure Rating

(psi)

Grade (gravity

only) I am certifying that I have installed the pipeline, connectors, valves, etc., as stated in the engineering plans in accordance with the Natural Resources Conservation Service Construction Specifications. The pipeline is installed ______” or deeper as specified in the engineering plans. The pipeline was pressure tested in accordance with the construction specifications. CONTRACTOR: __________________________ BY: ______________________________ (PRINT) (SIGNATURE) ADDRESS: ___________________________ TITLE: ___________________________ CITY: __________________________ DATE: ____________________________

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