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<br /> <br /> <br />INTER-OFFICE MEMORANDUM <br /> <br /> DEPARTMENT OF PUBLIC WORKS <br />DIVISION OF ENGINEERING <br /> <br /> <br />TO: Members of the Board of Public Works <br />Michael Schmidt, Assistant City Attorney Public Works <br />Theresa Heffner, Clerk of Board of Public Works <br />FROM: Jacob M. Klosinski, P.E., Assistant City Engineer <br />SUBJECT: 123-032 CSO 22 Control Valve Replacement <br />Professional Services Agreement (PROJ00000433) – Amendment 1 <br />DATE: December 4, 2023 <br /> <br />The Division of Engineering recommends the Board of Public Works approval of a an <br />Amendment to Professional Services Agreement with Commonwealth Engineers, Inc. that <br />includes design and construction administration services for Project No. 123-032 CSO 22 <br />Control Valve Replacement. <br /> <br />Amendment No. 1 (Attached) <br />Amendment No. 1 scope of work will include additional design services to provide <br />subconsultant structural engineering services for helical pier design for the new CSO 22 <br />Structure. The Geotechnical Report identified suspect soils in the layer of soil that would <br />have carried the footing and floor slab of the new CSO 22 Diversion Chamber. As a result <br />the foundation engineering scope of work has changed and requires helical pier design. <br /> <br />The contract amounts will change as follows: <br /> <br />Original agreement amount: $145,465.00 <br />Net change for prior amendments: $ 0.00 <br />This amendment amount: $ 3,800.00 <br />Adjusted agreement amount: $149,265.00 <br /> <br /> <br />This project is funded through Sewage Works, Wastewater Capital Account 642-06- <br />605-514-442005. <br /> <br />For questions regarding the subject agenda request, contact Jacob M. Klosinski, P.E. <br />(Ext. 9496) at the Division of Engineering.