Amendment No 1 to PSA - Design Srvs. for SB Med Foundation Demo – American Structurepoint, Inc.

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Proposed Parking Lot / Beacon District, South Bend, Indiana Atlas Proposal No. 24-01654 / February 9, 2024 1 February 9, 2024 Mr. Nick Everhart, P.E. Civil Group Leader – Indiana American Structurepoint, Inc. 9025 River Road, Suite 200 Indianapolis, IN 46240 RE: Geotechnical Engineering Investigation Proposed Parking Lot Beacon District 530 North Lafayette Boulevard South Bend, Indiana Atlas Proposal No. 24-01654 Dear Mr. Everhart: ATLAS Technical Consultants LLC 7988 Centerpoint Drive Indianapolis, IN 46256 Phone +1 317 849 4990 www.oneatlas.com In accordance with your request, we have prepared this proposal for performing a geotechnical engineering investigation for the referenced project. BACKGROUND The proposed project will consist of the construction of a new parking lot at 530 North Lafayette Boulevard in South Bend, Indiana. The proposed project site is an existing, relatively flat asphalt parking lot in the central portion of the site and is grass-covered with surrounding trees in the southwest portion. An existing building is located in the northern portion of the site and it will be demolished as part of this project. It is our understanding that a storm water management system may be utilized below the new parking lot. SCOPE OF SERVICES The objectives of this investigation are to determine the existing subsurface conditions at the site and to develop recommendations necessary for the design and construction of the soil supported elements of the proposed project. The proposed subsurface exploration consists of drilling 6 test borings to depths of 15 ft and 20 ft in the proposed new parking lot area, all south of the existing building. Split-barrel samples (ASTM D1586) will be obtained in the test borings at 2.5 ft intervals to a depth of 15 ft and at 5 ft intervals elsewhere. Ground water level observations will be made during drilling operations and after withdrawal of the augers from the borings. We will backfill the boreholes with the auger cuttings and plug the upper 1 ft with concrete.