PSA - Construction Inspection Services for Seitz Park Reconstruction Proj No. 117-093A - Lochmueller Group

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The Kramer Building 43980 Plymouth Oaks Blvd. Plymouth, MI 48170-2584 T (734) 454-9900 www.sme-usa.com © 2020 SME P01657.20+092520 1 September 25, 2020 Ms. Emily McKinnon, PE Smithgroup 201 Depot Street Second Floor Ann Arbor, Michigan 48104 Via Email: Emily.McKinnon@smithgroup.com (PDF file) RE: Proposal for Vibration Monitoring Services Seitz Park Reconstruction – Phase I South Bend, Indiana SME Proposal No. P01657.20 Dear Ms. McKinnon: SME would be pleased to provide vibration monitoring services for the subject project. This proposal has been revised based on your request for proposal during our recent discussion and email correspondence. PROJECT DESCRIPTION The project is located at Seitz Park in South Bend, Indiana. The project is divided up into three areas (Areas A, B, and C). Area B encompasses that portion of the park that is part of the University of Notre Dame Hydroelectric Project. Area B is located between Areas A and C. The northern area, Area A, is a roughly 50-foot wide strip of shoreline that is located just north of Area B, and stretches about 500 feet along the Saint Joseph R iver to Colfax Avenue. The southern area, Area C, is also a roughly 50-foot wide strip of shoreline (with an expanded at the northern end of Area C for vehicular parking) that is located just south and east of the East Race, and the Saint Joseph River, and stretches about 600 feet along the waterfront until reaching E. Jefferson Boulevard. The walkway along the river is going to be replaced in Areas A through B as part of the Phase 1 work (refer to attached Sheet G100 provided by Smithgroup). The proposed replacement plans include driving steel pile foundations (e.g. pipe piles or sheet piles) to support the new walkway. We assume the axial capacity of the driven piles will be less than 36 kips. During the pile driving operation, you requested we perform vibration monitoring services between the site and some of the nearby existing buildings. No vibration measurement specification or criteria was prepared for this project. You indicate the structures of concern include the Cascades building, Fish ladder structure, and Stephenson Mills building. We understand the project will begin April of 2021 and continue through May 2022 for final completion. However, the duration for pile driving is planned April 2021 through July 2021 (4 months).