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BRAUN <br />I NTE RTEC <br />The science You euua on. <br />March 28, 2023 <br />Zach Lingl, PE <br />Bolton & Menk, Inc. <br />7533 Sunwood Drive NW, Suite 206 <br />Ramsey, MN 55303 <br />Braun Intertec Corporation Phone: 651.487.3245 <br />1826 Buerkle Road Fax: 651.487.1812 <br />Saint Paul, MN 55110 Web: braunintertec.com <br />Revised Proposal QTB174511 <br />Re: Revised Proposal for Pavement Material Sampling and SFDR Mix Design <br />167th Avenue <br />From Nowthen Blvd to Quicksilver St <br />Ramsey County, Minnesota <br />Dear Mr. Li ngl : <br />Braun Intertec Corporation is pleased to present this revised proposal to complete pavement material <br />sampling and perform an SFDR mix design for 167th Avenue in Ramsey County, Minnesota. <br />Background and Project Description <br />In October of 2022, Haugo Geotechnical Services evaluated 167th Avenue in Ramsey County, Minnesota. <br />Based on the provided Geotechnical Report, the rural section of 167th Avenue is a 40-foot-wide roadway <br />extending about 1-mile from Nowthen to Quicksilver Street. The roadway has 8 to 10-foot-wide shoulders. <br />Based on the testing performed by Haugo Geotechnical Services, on average, the segment consists of 5 1/4 <br />to 6 1/4 inches of bituminous overlying an aggregate base layer that ranges from about 2 to 10 inches in <br />thickness. Given thin aggregate base layer encountered in several locations, it was later decided by Bolton <br />and Menk, Inc. to perform an 8-inch Stabilized Full Depth Reclamation (SFDR) with emulsion on this <br />segment followed by 4 inches of bituminous overlay. <br />Bolton & Menk, Inc. requested that we perform pavement material sampling followed by an SFDR mix <br />design. <br />Purpose <br />The purpose of our pavement material sampling is to obtain pavement materials and prepare a laboratory <br />SFDR mix design. <br />Scope of Services <br />The following tasks are proposed to help achieve the stated purpose. If unfavorable or unforeseen <br />conditions are encountered at any point during the completion of the tasks that lead us to recommend <br />an expanded scope of services, we will contact you to discuss the conditions before resuming work. <br />AA/EOE <br />