DEPARTMENT: Environmental Resources
FILE TYPE: Consent Action
TITLE
title
Authorization To Execute Second Contract Amendment With Stantec Consulting Services, Inc. For Construction Engineering Services For Byllesby Dam Water-To-Wire Redevelopment Project
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PURPOSE/ACTION REQUESTED
Authorize a 6-month extension to the existing contract with Stantec Consulting Services, Inc. (formerly Wenck Associates, Inc.) and increase the contract maximum by $337,100 to $1,360,778 for electrical engineering services. Construction and engineering-related change orders and costs, including this one, was discussed during the presentation at the August 22, 2023, Physical Development Committee of the Whole meeting.
SUMMARY
Dakota County owns the Byllesby Dam and operates its high-hazard hydroelectric facility under the Federal Energy Regulatory Commission (FERC) safety regulations. Currently, a complete turbine and powerhouse upgrade is being made to the 110-year-old facility. To complete the upgrades, the Dakota County Board of Commissioners authorized execution of agreements for engineering services, construction, and construction engineering and administration.
By Resolution No. 20-198 (April 21, 2020), the Dakota County Board of Commissioners authorized execution of a contract with Wenck Associates, Inc. (now part of Stantec Consulting Services as of 2021) for on-site construction administration and engineering for an amount not to exceed $638,300.
Phase 1 of the project involved demolition of the existing powerhouse, which uncovered unanticipated sediment removals in the back bays and structural concrete mitigation not anticipated in the original contract. By Resolution No. 23-074 (February 28, 2023), the Dakota County Board of Commissioners authorized a contract amendment with Stantec in the amount of $385,378.
As Phase 2 of the project developed and the County entered into agreements for the substation interconnection with Xcel Energy, it was recognized that additio...
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