Specifications include, but are not limited to: 2.1 Contractor shall provide up to 240 hours of pre-scheduled technical troubleshooting and support services for the SCADA process used within the Water Division and Water Pollution Control Facility. 2.2 Contractor shall investigate and document existing control circuits for which no documentation or outdated documents exist. Integrator must have the ability to provide documents in .pdf and Visio formats for work performed as described below: a) WPC: Create and maintain system drawings b) Water: Create and maintain system drawings as needed 2.3 As requested, Contractor shall troubleshoot and correct the following: a) Existing control circuits to help identify root problems affecting the systems being controlled. b) All issues with control power voltage, including 12V DC, 24V DC, 48V DC, 125V DC and 120V AC. This includes replacing failed power supplies or uninterruptable power systems, replacing shorted control power wiring or replacing failed control power transformers. c) Failed PLC components, including PLC power supplies, CPUs, digital or analog input cards, digital or analog output cards and any other cards present to allow the PLCs to function as intended. This covers all PLCs used by the Utilities Department, whether they are Modicon, Allen Bradley, Siemens or other brands. 2.4 Contractor shall provide PLC programming support. This may include altering existing PLC programs, writing new PLC programs, and troubleshooting existing PLC programs. Contractor must be proficient in writing PLC programs for Modicon, Allen Bradley and Siemens PLCs at a minimum. Contractor shall document all PLC programming performed for the City and must provide copies of the programs written. PLC programming must have sufficient comments to allow plant instrumentation staff and third party engineers to follow the logic of the written program. 2.5 Contractor shall provide PLC maintenance support. This includes updating firmware, testing of suspect PLC components, any cleaning necessary to allow optimum functioning of PLC and testing of signal wires to verify/ensure the input/output signals are reaching the PLC. 2.6 Contractor shall provide support for dedicated SCADA Network/Ethernet Network including troubleshooting network system problems and problem resolution of Hirschmann and Allen Bradley managed switches and network communications. 2.7 Contractor shall provide onsite response within 2 hours of notification if necessary to maintain plant operations.
