IMCO General Construction 5/9/2022

City of Everett,Washington I Water Filter Plant- Phase 2 Capital Upgrades PDB Project Progressive Design-Build Contract ( Exhibit B.Owner's Project Criteria Criterion Requirement Protection of 1. Design-Builder shall take all necessary measures to protect existing site Existing infrastructure and plant operations from damage or disruption construction. At a Infrastructure minimum, measures shall address the risk of chemical spills, potable water and Plant contamination, plant process disruptions, unplanned plant shutdowns, and damage from materials or equipment mobilized by the Design-Builder. Operations 2. Design-Builder shall preserve City access to operate and maintain on-site facilities not under active construction and avoid actions that would impair operation of the water filter plant or overall City water distribution system (exclusive of temporary City-coordinated plant shutdowns). 3. Design-Builder shall preserve third party (e.g. delivery drivers, maintenance contractors, service technicians) access to on-site facilities not under active construction and avoid actions that would impair third party tasks or operation of the water filter plant. 4. Contractor shall preserve, and temporarily facilitate as needed, third party chemical delivery's and provide for the offloading of chemicals in a manner similar to the existing methods. Protection of 1. The water filter plant will be in active service during construction activities. Water Quality Design-Builder shall use methods to contain debris and dust from During Field investigations, testing, and construction activities and avoid the introduction of Construction debris, dust, and any other foreign materials into plant infrastructure. 2. Where required, disinfection of tools and equipment shall be completed per the City's existing protocols prior to commencing construction activities on any potable water infrastructure. Page 14 of 16