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Proteus/Straunceus Springs access project cost rises after deep bedrock and hazardous‑material finds
Summary
City staff told the committee that geotechnical surprises and asbestos/lead paint discovery forced a redesign of the Proteus Springs access project; total cost rose from $2.4 million to $2.8 million, increasing Aurora's share by $59,859 to $440,538.
City staff briefing on Nov. 20 detailed scope changes and cost increases for the Proteus (Straunceus) Springs access improvement project.
Beth (staff) said contractors found deeper‑than‑anticipated bedrock during excavation and discovered asbestos‑contaminated materials and lead paint at the railcar removal portion of the project. The combination of deeper excavation, additional hauling, hazardous‑materials abatement, and a redesign (replacing a planned retaining wall with an engineered bridge structure) raised the total project budget from $2.4 million to $2.8 million.
Beth told the committee Aurora’s original share of the project (listed in the staff backup) will increase to $440,538, an added $59,859. Staff asked the committee to move the amended project forward to council for formal consideration; members agreed to advance the item.
The presentation included no motion to adopt funding within the committee; staff requested permission to take the amendment to council for formal action.
