2017-01-18_INSPECTION - M1992069

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March 3,2006 I;� Mr.Martin Howell,President AGGREGATE Boyd Irrigation Company INDUSTRIES c/o Greeley Water& Sewer Department 1100 10" Street, Suite 300 Greeley,CO 80631 Re: Boyd-Freeman Ditch Replacement at F Street(Hill)Property Dear Martin: In response to your letter of February 2,2006 regarding Aggregate Industries' relocation of the Boyd-Freeman Ditch through the above-referenced property,Aggregate Industries(AI)would first clarify that its responsibility for ditch replacement is limited to constructing a ditch which will deliver historic capacity. Prior to recent up-stream ditch improvements,the Boyd Freeman Ditch entered the Hill F Street property through a 15-inch culvert on the west boundary of the property,and the extents of the Boyd Freeman Ditch which flowed through the Hill F Street property were narrow, shallow open ditches capable of carrying no more than the flows passing into the property through the 15-inch pipe. A lateral off of the main ditch flowed north and exited the property approximately 1100 feet east of the west boundary of the Hill F Street property. The main ditch flowed south,then east to the east end of the property,then north. The ditch exited at the northeast corner of the property,flowed through a small wood box culvert under the railroad and north onto what is now the LaFarge mining operation through another culvert pipe under a road north of the railroad. AI's open ditch replacement was designed based on the historical information noted above. When Al became aware that an open ditch replacement could not accommodate an access road for approximately the last 1300 feet to the new outlet structure recently installed by the City of Greeley,it was determined that a pipe would be required along this section. Based upon the historical 15-inch inlet at the west property boundary,Al was prepared to install a 15-inch pipe; however,based upon the size of the City's new outlet structure,Al requested a meeting with Tracey Kittell on January 31 to determine if the City would prefer to upgrade to a 24-inch pipe. According to your February 2 letter,the City would like to upgrade the pipe to a 30-inch diameter and proposes to reimburse Al for the pipe material cost difference between 24-inch and 30-inch diameter pipe. While AI understands the desire of the City to accommodate greater ditch flows, all costs associated with improvements to the ditch through the Hill F Street property to Aggregate industries West Central Region, Inc. Connie N.Davis,Land Resources 1707 Cole Blvd, Suite 100 P.O.Boa 337231,Greeley,CO 80633 Golden, CO 80401 (970)336-6526 Telephone:303-985-1070 An Equal Opportunity Employer