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AnhARIAS <br /> GEOPROFESSIONALS <br /> 13581 Pond Springs Road.Suite 210.Austin,Texas 78729•Phone:(512)428-5550•Fax:(512)428-5525 <br /> November 20, 2017 <br /> Arias Project No. 2017-974 VIA Email: towens@kfriese.com <br /> Mr. Tom Owens, P.E. <br /> K Riese+Associates <br /> 1120 S. Capital of Texas Highway, CityView 2, Suite 100 <br /> Austin, TX 78746 <br /> RE: Proposal for Geotechnical Investigation <br /> E Sessom Waterline Replacement <br /> San Marcos,Texas <br /> Dear Mr. Owens, <br /> Arias & Associates, Inc. (Arias) is pleased to provide this proposal for geotechnical engineering <br /> services for the above-reference project. Our understanding of the project is based on Information <br /> provided by you. The following sections present our understanding of the project, proposed <br /> investigation, fee compensation requirements, and proposed schedule. <br /> Project Information <br /> The project will include replacement of an existing waterline along E Sessom Drive, near Aquarena <br /> Springs Drive, in San Marcos, Texas. The investigation will be located at a proposed trenchless <br /> installation at an existing 10' by 5' box culvert beneath Sessom Drive. This investigation is not intended <br /> to serve as a Geotechnical Baseline Report for trenchless installations. <br /> Proposed Investigation <br /> The site is mapped as being underlain by alluvium associated with the San Marcos River, further <br /> underlain by either shale or limestone. As requested, we propose to drill one boring to the 30-foot <br /> depth near the box culvert in the traffic lane. Drilling will require traffic control consisting of a lane <br /> closure with flagman operation <br /> Borings will be advanced using augering and sampling techniques. Rock (shale or limestone) will be <br /> continuously core sampled if encountered beneath alluvium. Arias will retain a subcontract driller to <br /> perform drilling. Arias personnel will locate the borings, direct the sampling efforts, and visually classify <br /> recovered samples. <br /> Arlington Austin Corpus Chrisli Eagle Pass Sari Antonio <br />