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6.E. - Page 22 of 44 <br />Contractor will furnish all labor, materials, and equipment necessary to provide on-call Supervisory <br />Control and Data Acquisition (SCADA) system maintenance and integration services to the Public Works <br />Services Department. <br />The City owns and operates approximately 70 facilities including sewer lift stations; storm water pump <br />stations; potable water pump stations, storage and regulating stations; and a recycled water pump <br />station. These facilities are monitored with a SCADA system consisting of Allen Bradley Programmable <br />Logic Controllers (PLCs), Wonderware Human Machine Interface (HMI) software, and various motor <br />control and instrumentation systems. Communications to remote facilities is provided by a <br />combination of wired circuits and wireless radio. <br />PWS is looking for a contractor with the following minimum skills to provide on- call maintenance and <br />troubleshooting services for the entire SCADA system: <br />■ Detailed knowledge of Allen Bradley DF1, DH+ and Modbus protocols; <br />■ Multi -vendor HMI support; <br />■ Experienced with SQL server; <br />■ Experienced with Wonderware platform; <br />■ Experienced with the Windows platform; <br />■ Experienced with Allen Bradley PLCs; <br />■ Proficient with radio (UHF, VHS, and spread spectrum) communication and protocol <br />■ Knowledge of industry best practices; <br />■ Knowledge of advanced digital network infrastructure; <br />PWS also requires the following from contractor: <br />■ Must have a valid California C-10 Electrical Contractor License <br />■ Must have a local office with trained support/engineering staff of five or more employees <br />located within 60 miles of Redwood City <br />■ Must be a Rockwell Recognized System Integrator <br />■ Must be a Wonderware Certified System Integrator Partner <br />■ Must have a current State of California DIR Registration number <br />■ Must have a minimum of two ISA Certified Controls Systems Technicians on staff <br />PWS will make available to the selected contractor the City's SCADA system documentation. PWS staff <br />will also be available to provide contractor site access, staff support and assistance as required. <br />1. On -Call Availability <br />Contractor must be available to respond to any emergency maintenance or troubleshooting needs <br />on a 24/ 7 basis. This includes weekends and holidays. In Item #7 (Work Plan), please describe your <br />typical response time for emergency calls. If response times vary based on after hours or weekends, <br />please specify. <br />PUBLIC WORKS SERVICES DEPARTMENT <br />FY 2019-20 ON-CALL SCADA SYSTEM MAINTENANCE AND TROUBLESHOOTING <br />NIB 5 OF 23 <br />183 <br />