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5. The transition from the ditch to the pipe needs to be protected with rip-rap <br /> per the attached detail. This rip-rap needs to go approximately XX feet up <br /> stream of the pipe and be placed on the ditch side slopes as well as the <br /> bottom. A three foot deep, one foot thick concrete cut-off wall needs to be <br /> installed on the entrance to the pipe to be sure water does not flow under <br /> the pipe and potentially erode the soil and cause a failure of the pipe. A <br /> trash rack will also need to be installed at the entrance of the pipe. <br /> To help keep your costs to a minimum the Boyd Irrigation Company would be <br /> willing to advise you and/or your contractor on the construction of the pipeline. Should <br /> you desire to utilize this offer please contact Tracy Kittell as he is representing the Boyd <br /> Irrigation Company on this project. I need to point out that the irrigation company's <br /> representative will not direct the contractor and Aggregate Industries is responsible for all <br /> costs associated with this project with exception of over-sizing the pipe should the City of <br /> Greeley decide on this option. Should you have any questions or need additional <br /> information please don't hesitate to contact me. <br /> Sincerely, <br /> 4,ea <br /> Martin Howell, President <br /> Boyd Irrigation Company <br /> Encl.: <br /> cc: Carl Hill, 83 Joint Venture <br /> Gary Tuttle, LaFarge North America <br /> City of Greeley Water and Sewer Department <br />