Consideration of Change Order #1 – Tricon Construction Group, Water Treatment Plant Upgrade – Motion to Approve

PROJECT: Tiffin, IA WTP Upgrade-Electrical Equipment ASC CO: 20240138-001 Procurement NAME: COP-001 DATE: May 6, 2025 REFERENCE: Construction Bulletin 1 QUOTATION EXPIRES: 60 Days CHANGE ORDER PROPOSAL Changes to the System Integrator Procurement Contract Documents. Control Panel Modifications A One(1) 10-SCC-1 Supervisory Control Center Modifications, as required per Construction Bulletin 1, in accordance with Section 26 90 10, and modified as detailed below. Proposed panel modifications shall be complete with addition of Allen Bradley CompactLogix I/O cards to allow for addition of Fluoride chemical system, additional flow metering, and interface relays, fuses, terminals, and wireway as needed. B One (1) 20-SCC-1 Supervisory Control Center Modifications, as required per Construction Bulletin 1, in accordance with Section 26 90 10, and modified as detailed below. Proposed panel modifications shall be complete with addition of I/O for Well 4 level transducer, PLC programming, removal of ERMS Switch, and interface relays, fuses, terminals, and wireway as needed. Instrumentation and Filed Devices C Minus One (-1) Float Switch as required per Section 26 90 20, 2.06 and as detailed below. 1. LSH-1-4-2, Manhole #4 High Water Level Alarm - Deleted. Motor Control Equipment Modifications D One (1) 20-MCC-1A Modifications, as required per Construction Bulletin 1, in accordance with Section 26 24 19 and as detailed below. 1 of 3