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Design Details <br />1) The pipeline will be a continuous fused polyethylene pipe of 28 inch outside diameter with <br />no joints that will roll with the terrain. This pipe is the best choice for tough applications and long <br />term durability. <br />2) The pipe wall thickness of 1.33 inches is resistant to weather and wear and will remain <br />flexible. The polyethylene material is made to last indefinitely. <br />3) Other specifications: 80 psi rating (more than adequate), inside diameter 26.33 inches, <br />length of approximately 4000 feet. <br />4) The pipe has excellent flow characteristics and will handle 25 cfs during the 6 years of <br />temporary installation and will pass 38 cfs for the permanent location. All takeoffs for irrigation in <br />the permanent line will be based on a main pipe flow of 38 cfs. <br />5) Each takeoff will have a valve and weir for control and measurement of the outflow. <br />6) The pipe is extremely durable and will avoid many pitfalls of other pipe types. <br />7) The temporary pipe will be laid on the surface while the permanent pipe will be buried. The <br />permanent line will not interfere with any post - reclamation land uses. <br />8) A pressure regulator will be placed in the line near the exit to control flow in the entire pipe. <br />9) During the temporary pipe time frame, the Reeder /Garret/Johnson distribution box will be <br />supplied from an 8" diameter SDR 26 pipe leading from the main pipe. <br />Timinq <br />1) Temporary pipe will be laid during sometime in 2001 and will be put into operation either <br />during for the latter part of the irrigation season of 2001 or will be ready for the 2002 season. This <br />will depend on mining advance. <br />2) After mining continues west of 2700 Road and the area for the permanent line has been <br />backfilled and graded, the permanent line can be installed and should be ready for the 2005 <br />irrigation season. <br />(Revised June 2010) 2.05.3(3) -48 <br />