PILLAR: Vibrant
AGENDA DATE: January 28, 2026
COUNCIL DISTRICT(S): 9
DEPARTMENT: Park & Recreation Department
PRIORITY: N/A
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SUBJECT
Title
Authorize Supplemental Agreement No. 2 to increase the professional services contract with Freese and Nichols, Inc. to provide engineering design for the detailed design, design development, construction documents, bidding and negotiation, and construction administration for the White Rock Lake Dredging Project, located at White Rock Lake, in an amount not to exceed $347,500.00, increasing the contract amount from $1,024,950.00 to $1,372,450.00 - Not to exceed $347,500.00 - Financing: USACE White Rock Lake El Design Assistance Grant Fund ($231,666.67), and Park and Recreation Facilities (B) Fund ($115,833.33)
Body
BACKGROUND
This action will authorize Supplemental Agreement No. 2 to the professional services contract with Freese and Nichols, Inc. to provide detailed engineering services for the White Rock Lake Dredging project, which includes (1) Lake filling Analysis to be performed to estimate the anticipated drawdown of the water elevation in the lake and anticipated time to replenish the lake to normal pool level. (2) Identifying critical areas for immediate attention with flexibility to adapt to future funding and environmental conditions for a recurring dredge program for every 5 to 7 years. (3) Capacity analysis of dewatering sites (4) Upstream Sediment management to reduce the sediments accumulation in the lake (5) Provide innovative technologies for the future dredge programs (6) Environmental services associated with the project as a part of the federal funding for the project.
White Rock Lake has a surface area of approximately 995 acres when the lake is filled to an elevation of 457.9 feet, and storage of 10,230 acre-feet. Due to accumulated sediment within White Rock Lake, it is necessary to regularly dredge the Lake, historically on a 20-2...
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