2022 06 21 City Council
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PUBLIC WORKS TO: C. Seth Sumner, City Manager FROM: Kevin L. Helms, Project Manager Cc: Ben Burchfield, Public Works Director DATE: June 8, 2022 SUBJECT: Change Order Approval & Construction Budget Update Summary The City’s contract with Integrated Properties contained a contingency amount of $75,000. This bid included the bulk of the project, but did exclude expenses related to low voltage wiring, furniture, and the construction trailer. The Public Works Department is seeking approval for a change order which exceeds $25,000 and an amended contin gency appropriation as we will eventually exceed the current contingency allowance. A spreadsheet detailing change orders is attached to this memo. Process After demolition of the administrative building, the contractor discovered the metal siding on the shop had been installed in a manner which lacked proper structural support. Support framing would normally be between the inner and outer layer of the metal wall, but this was not the case as the outer walls were attache d to the inner walls with clips. Only a small layer of insulation was between the two layers. This condition does not meet code, nor the material manufacturer’s specifications for proper installation. Numerous possibilities were considered to rectify the condition, and it was recommended the existing siding be left in place and the new sidi ng be installed on top of it. This will also require metal supports to be installed throughout the interior of the shop to add structural support. Action Item The Public Works Department is requesting approval of change order #11 in the amount of $40,023.15. If approved, we will have a balance of $3,574.96 in the contingency line item. We are aware of at least one more change order which will be needed due to the same condition described above. The shop office ha d to be demolished rather than renovated and it will need to be rebuilt on the existing pad. Additional Note It was originally anticipated the low voltage wiring would be issued as a separate bid, but one of the subcontractors on the job has the capability to do this work. Therefore, this work is going to be done under the scope of the contract with Integrated Properties and this reflected on the spreadsheet as change order #8 for $21,379.71. This will still be in addition to th e base bid, because as previously mentioned this was not a part of the original bid specifications. 55