Site work for a water / sewer project in Seattle, Washington. Conceptual plans call for site work for a water / sewer project.

Replace and modernize major electrical distribution equipment at Chief Joseph Dam, including removal and disposal of existing 480VAC switchgear lineups, 4160/480V transformers, feeder cables, embedded panelboards, and associated conduit and cable tray systems. Work also includes furnishing and installing new switchgear lineups, transformers, feeder cables, control cables, panelboards, and switchboards, along with new local control panels for each lineup. The project requires providing temporary power systems to maintain critical operations during equipment replacement, performing system cutover from temporary to permanent power, modifying and installing associated electrical infrastructure, and completing commissioning support, startup assistance, and Government commissioning activities. Deliverables include operation and maintenance manuals, spare parts, record drawings, and training to ensure reliable system operation. Construction magnitude is between $5,000,000 and $10,000,000. 100 percent payment and performance bonds will be required. The Method of Contractor Selection has not been determined at this Time *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.