SCADA System Maintenance and Professional Consultation Services

2026-11-03

A . PUA LOKE BASEYARD SCADA SYSTEM MAINTENANCE : The DOW SCADA System was designed by Timberline in 2001 . The system is comprised of 96 remote RTU ’ s that provide data to the main servers at the Pua Loke site through wireless and frame relay communications . The Pua Loke complex has two ( 2 ) central on - site servers for the SCADA system with virtual servers including : Primary Domain Controller ( PDC ), Backup Domain Controller ( BDC ), SCADA Host A ( Primary SCADA Host ), SCADA Host B ( Backup SCADA Host ), SQL Server ( Historian ), and the Terminal Server . The selected contractor shall provide professional support and maintenance services for the Pua Loke Baseyard Central Computer Stations and Network Equipment . The selected contractor will conduct the following on - site scope of work by one ( 1 ) Network Engineer twice a year for ten ( 10 ) working days each trip : 1 . Inspect all network equipment for proper operation and software upgrade requirements . Provide necessary patching and software updates . 2 . Verify historical data collection and report generation for proper operation . 3 . Perform administrative tasks associated with maintaining the various servers . Provide recommendations for replacing servers and associated equipment . Provide specifications for replacement equipment as needed . 4 . Perform programming modifications to SCADA system components and software . 5 . Provide a technical report of work completed . B . REMOTE SITE MAINTENANCE : The system is comprised of 96 remote RTU ’ s that are spread over 85 remote SCADA sites . The remote site scope of work will include services for the remote SCADA sites . The selected contractor will be required to conduct the following remote site scope of work by two ( 2 ) Field Service Engineers twice a year for ten ( 10 ) working days each trip : 1 . Inspect each remote site to verify the integrity of the equipment including : verify radio communication RF output , align antennae , verify correct battery backup operation , and inspect batteries for signs of performance degradation . Clean inside RTU as needed . 2 . Calibrate instruments to return instruments to proper operation and valid routing tables . 3 . Verify Frame Relay and Cellular connections and check for efficient operation . Replace modems as necessary . 4 . Inspect , troubleshoot , replace , reconfigure , and / or reprogram SCADA remote site RTU components as necessary . 5 . Provide a technical report of work completed . C . AS NEEDED SYSTEM TECHNICAL SUPPORT : Provide System Technical Support service as required . The selected contractor will make available as needed , a Network Engineer and / or Field Service Engineer during normal and non - working hours to answer any technical questions regarding the SCADA control equipment and system information and will provide the following : 1 . Remote access support services to the DOW to support any system questions and troubleshooting . The selected contractor will implement a secure solution for remote access , which will include VPN , manual connection , or model call back services . 2 . Control system software support . The selected contractor will manage the DOW ’ s control systems software upgrades when they are released . 3 . Off - site storage of the DOW ’ s control system programs . The selected contractor shall provide the backed - up system programs as needed to the DOW . The selected contractor shall have the system programs available for modifications and changes as needed .

Hawaii

2026-04-08