8a Electric Utility Supervisory Control and Data Acquisition Presentation
Item No. 8a_supp Electric Utility Switching Project - Meeting Date: July 9, 2019 Supervisory Control And Data Acquisition(SCADA) Commission Meeting July 9, 2019 CIP: 800699 Overview Request Commission authorization for the Executive Director to: 1. Increase the authorized funds for the Electric Utility Supervisory Control and Data Acquisition (SCADA) project in the amount of $10,350,000 2. Advertise and award a major works construction contract at Seattle-Tacoma International Airport 3. Use Port crews and small works contracts to assist with the project. Total estimated project cost is $11,950,000, an increase of $2,300,000 Project presented to partner airlines on June 27, 2019 Favorably received Majority in Interest (MII) approval expected in August 2 SCADA What and Why Supervisory Control and Data Acquisition (SCADA) systems Data acquisition Networked data communication Data presentation Control Employee safety 3 SeaTac Airport Power Distribution System 12.5KV Medium Voltage Distribution System Fed via 2 substations PSE Substation Sea-Tac South Main Substation PSE Substation Bow Lake North Substation Distribution to 26 Power Centers Alternate Utility Facility (AUF) integration 4 Project Budget Previous approvals and estimates: Design authorization granted on August 4, 2015 for $1.6M with a total estimated project cost of $9.65M Today's request: Increase total estimated project cost by $2.3M to $11.950M $2.3M increase includes: New Electrical Command & Control Center (EC3) room at $650K Required Puget Sound Energy Bow Lake substation upgrades at $900K Pre-design budget shortfall of $750K 5 Schedule Design Complete: 1st Quarter 2020 Construction start: 2nd Quarter 2020 In-use date: 2nd Quarter 2022 6 Questions? Thank you for your time! This Photo by Unknown Author is licensed under CC BY-SA This Photo by Unknown Author is licensed under CC BY-NC-ND 7
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