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CCP 06-09-1997
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CCP 06-09-1997
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<br /> -------------- - ------~.. --..- <br /> --.-- <br /> I <br /> g I <br /> Howard R, Green Company -. <br /> lJIIlt1llli&1llllllll <br /> CONSULTING ENGINEERS Form8rly MSA <br /> Consulting Enginoers . <br /> May 29,1997 <br /> File: 520-066-00 <br /> I <br /> Mr. Dwayne Stafford RECEIVED I <br /> City of Arden Hills <br /> 1450 West Highway 96 <br /> Arden Hills, MN 55112 JUN 02 1997 . <br /> RE: SANITARY SEWER TW~fWlmHILL5 <br /> Dear Mr. Stafford: . <br /> We have had the opportunity to briefly review the report from Infratech regarding the . <br /> televising of approximately 22,000 feet of sanitary sewer in the City of Arden Hills <br /> collection system. From the report, it appears that many potential problems were found, <br /> including root intrusions in over half of the segments viewed, many segments with leaking eI <br /> joints, cracks, and leaking manhole structures. The approach to address these various <br /> problems will probably range from heavy cleaning and root treatment to inserting a pipe <br /> liner, and possibly replacement of severely damaged sections. I <br /> In order to reasonably evaluate the extent of the defects, and prepare conclusions and <br /> recommendation(s) for repair work, we would like to review a portion of the video tapes . <br /> and conduct some cost analyses to evaluate repair options. We anticipate that the review <br /> and report process will require about 40 to 50 hours of engineering time at a cost of about . <br /> $3,000. The work can be completed in about four weeks, with a report delivered to you <br /> for review by July 14, 1997. The report will provide recommendations for additional <br /> actions to address the identified problems in order to improve operation of the system and . <br /> reduce infiltration/inflow. <br /> If you have any questions or need additional information, please let us know. I <br /> Sincerely, <br /> HOWARD R. GREEN COMPANY I <br /> ,~ I <br /> GJS:tw .. <br /> 066.2906,may <br /> 1326 Energy Park Drive. 51. Paul, MN 55106 . 6121644--4369 lax 6121644.9446 toll free 6001666-2923 I <br />
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