Committee approves change order to design expanded water-plant perimeter fencing; engineering totals and $6.5M construction estimate discussed
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Summary
Council approved Change Order #1 with T.Y. Lynn International Great Lakes Inc. to expand design for perimeter fencing, gates and retaining walls at the water plant. Staff said the change order increases engineering/design to about $656,000 (change order $218,000) and estimated construction at roughly $6.5 million, with much of the cost passed to wholesale water customers.
The committee approved Change Order No. 1 to the agreement with T.Y. Lynn International Great Lakes Incorporated for the water utility perimeter fence design (RFP 24-27).
Darryl King, Water Production Bureau chief, told the committee the original contract provided a conceptual design and that the change order funds final design for perimeter fencing, decorative elements, entry/exit gates, vehicle gates, pedestrian walkways and a retaining wall in locations with soil erosion at the north standpipe. King said the consultant proposed significant design and inspection hours to address underground utilities and complex site conditions.
Staff estimated the engineering/design total at about $656,000 (the change order is roughly $218,000, which increases prior engineering totals to $656,000). King estimated the construction cost for the full scope — fencing at the water plant, north and south standpipes, gates and associated components — at approximately $6.5 million, noting the retaining wall portion could be about $3,040,000; final costs will be determined through bidding.
King said engineering and construction costs for this project are chargeable to wholesale water customers, not solely to Evanston taxpayers; the committee approved the change order on a roll call vote.
