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Approval of Contract with Wunderlich Malec Systems Inc. for ControlNet & PLC Upgrades
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Requesting approval for the purchase of Supervisory Control And Data Acquisition (SCADA) control system engineering services in the amount of $1,074,439.00. Wunderlich-Malec (WM) is providing a proposal to the Albuquerque Bernalillo Water Utility Authority (ABCWUA) to provide Surface Water Treatment Plant (SWTP) SCADA system engineering services to replace the SWTP SCADA field Programmable Logic computers' (PLC) peer-to peer communication network. These PLCs, as part of the SCADA system, monitor and control SWTP equipment and send information to the SCADA Control Room Operator workstations. The PLC peer-to-peer network will be converted from current proprietary ControlNet protocol to Ethernet protocol. The local ControlNet Human Machine Interface Display (HMI) at each PLC will also be upgraded to an Ethernet protocol HMI display. All this will be done through the issuance of a purchase order.
The existing control system at the SWTP is operating with aging technology associated with the peer-to-peer communications between 25 PLCs. The existing system, referred to as ControlNet, has been subject to frequent failures over the last 12 months and requires replacement. The overall SCADA Master Plan included provisions for the replacement of the ControlNet system with a modern Ethernet based peer-to-peer network. The purchase of these goods and services will directly improve the reliability of the SWTP.
This contract will be procured pursuant to the authority contained in section 17(a)(1) of the Rules Governing Procurement for the Albuquerque Bernalillo County Water Utility Authority. Resolution R-18-14 requires board approval for any purchase in an amount exceeding $500,000.
If approved by the Board, a purchase order will be executed between the Water Authority and Wunderlich-Malec for these services. Approval of this item shall also serve as delegation of authority for t...
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