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Schenker Plaza work slowed after ground survey finds drainage, buried systems
Summary
Keith (staff member) told the Ames City Parks and Recreation Commission that ground-penetrating radar and an elevation survey found buried refrigeration tubing and lower-than-expected as-built elevations at Schenker Plaza, creating drainage problems and delaying the planned ice ribbon.
Keith (staff member) told the Ames City Parks and Recreation Commission that recent specialist studies have identified construction and drainage problems at Schenker Plaza that are delaying completion and decisions about the plaza’s ice ribbon.
The commission heard that Terracon performed ground-penetrating radar and an elevation survey in January and found inconsistencies in the location of wire mesh and refrigeration tubing and that “most of the as built elevations ... are lower than what they should be,” Keith said. “It will not drain like it should be.” He said those findings are the primary cause of the delay and that the city has shared the information with Henkel, the city’s concrete expert, and the project’s lead designer, Confluence.
Keith said the project’s overall budget picture has improved since earlier projections. “A year ago, we’re thinking 32,000,000 for the project. You know, we’re down to about 28, and when it's all said and done, we may be 26 or maybe even 25, you know, million into this,” he said. Those figures were presented to council in February, he added.
City staff said they will also consult the project’s ice consultant before deciding whether to allow ice operations on the ribbon, and Henkel has requested ice testing to assess how the surface and buried systems are performing. Staff said they expect to have additional information and possible next steps by the commission’s March meeting and noted that the city council will make the final decision on major openings or schedule changes.
The commission was also told that, aside from the ice ribbon, landscaping and seeding remain to be completed at Schenker Plaza; staff will recommend a sequence for finishing plantings, the spray pad and other amenities once the technical issues are resolved.
No formal action or vote was taken on Schenker Plaza work during the meeting; staff framed the item as an update and as a request to return with more information in March.
