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Item 9A - MemoItem 9A Page 1 of 3 M E M O R A N D U M (April 16, 2024) To: Alison Ortowski, City Manager From: Rob Cohen, Director of Public Works Subject: Recommend approval of contract change orders with GeoSurfaces for a total not to exceed amount of $12,015,000 for work required to complete the synthetic turf, ballfield fencing and amenities project at Bicentennial Park and Bob Jones Parks. Action Requested: Recommend approval of contract change orders with GeoSurfaces for a total not to exceed amount of $12,015,000 for work required to complete the synthetic turf, ballfield fencing and amenities project at Bicentennial Park and Bob Jones Parks. Background Information: The purpose of Item 9A is to seek City Council approval of contract change orders with GeoSurfaces for work required to complete the synthetic turf, ballfield fencing and amenities project at Bicentennial Park and Bob Jones Park, for a total contract amount not to exceed $12,015,000. This amount includes an additional $415,000 of SPDC residuals to the project. At its October 17, 2023, meeting, City Council awarded an agreement to GeoSurfaces to purchase and install synthetic turf, fencing and site amenities at Bicentennial Park and Bob Jones Park, and it authorized a total project budget of $11.6 million, which included project contingency. The preliminary scope of work for the project entailed removing existing turf, fencing and site amenities and installing synthetic turf and in-kind materials at the existing locations and elevations. To expedite project delivery, the city utilized The Interlocal Purchasing System (TIPS) to procure services from GeoSurfaces. In addition, the City contracted separately with BHB to furnish the civil and structural engineering for the project, because TIPS prohibits Item 9A Page 2 of 3 engineering services from being included in cooperative purchasing agreements. BHB commenced engineering services for surveying, drainage analysis, and development of a stormwater pollution prevention plan (SWPPP) immediately following the contract award. Upon completion of these tasks, GeoSurfaces commenced implementing the SWPPP, demolition and grading. BHB proceeded with structural engineering for the backstop walls, dugouts and installation of net poles and determined that the preliminary design of the structures did not meet current building code requirements. BHB revised and finalized the design with revised material specifications and installation requirements. The finalized structural design caused changes to GeoSurfaces’ preliminary scope of work. These changes included. • Using larger, longer net poles. • Reconstructing backstop wall foundations and pole footings. • Adding additional rebar to the backstop walls and foundations; requiring the dugout poles to be larger and embedded into the foundation. • Requiring welded connections between the dugout frame and structural elements; and • Mobilizing a larger crew with additional equipment to perform the work. Additionally, staff reviewed the vinyl coating for the net poles that GeoSurfaces proposed in the preliminary scope of work. Over time, vinyl becomes brittle when exposed to extreme temperature fluctuations and humidity. In contrast, a two-part epoxy coated finish is known to be durable and weather resistant. Staff opted to proceed with a two-part epoxy finish for the net poles, with the intent of minimizing maintenance costs over the life of the poles. Other changes to GeoSurfaces’ preliminary scope of work were required due to input from stakeholders after the award of the project. These changes included. • Installing additional temporary fencing to secure the project site. • Implementing the SWPPP. • Installing a mow strip/fencing to protect the new turf on the soccer fields at Bob Jones Park. • Installing a capstone on the backstop walls to match the existing design. Item 9A Page 3 of 3 • Revising the fencing for the soccer fields at Bob Jones Park, to accommodate the needs of the cross-country events; and • Repairing a sinkhole discovered at Bicentennial Park. Financial Considerations: The additional funding for this project is available from the SPDC residuals. Strategic Link: This item links to the City’s Strategy Map strategic focus areas of Infrastructure & Development. It specifically relates to the City’s Corporate Objectives, F1: Safeguarding the public trust through a commitment to thoughtful planning and responsible, conservative financial management and F2: Investing to provide & maintain high quality public assets. Citizen Input/ Board Review: Southlake Parks Development Corporation review on April 16, 2024, prior to the City Council meeting. Legal Review: The proposed agreement is a standard agreement that the City Attorney has reviewed and approved. Alternatives: The City Council may approve or deny the change orders and agreement. Staff Recommendation: Approve contract change orders with GeoSurfaces for work required to complete the synthetic turf, ballfield fencing and amenities project at Bicentennial Park and Bob Jones Park, for a total contract amount not to exceed $12,015,000. Supporting Documents: Attachment A: Contract Change Orders 01 – 06 Attachment B: Contract Change Order 07 Staff Contact: Rob Cohen, Director of Public Works Lauren LaNeave, Deputy Director of Public Works Administration Mamerto Estepa Jr, P.E., Project Manager