City to install second Siemens SCADA system

Siemens Water Technologies will provide Meriden, CT, with a second SCADA system, valued at $1.3 million. The city's latest system, to be installed as part of an upgrade at its 11.6-MGD Water Pollution Control Facility, will be compatible with the SCADA system supplied by Siemens to Meriden's water division facilities in 2002. Once the new SCADA system comes online in early 2010, it will allow the city to control and monitor 1,550 process-related database points and optimize process operations...

Aug 13th, 2008

WARRENDALE, PA, Aug. 8, 2008 -- Siemens Water Technologies will provide Meriden, CT, with a second Supervisory Control and Data Acquisition (SCADA) system, valued at US$1.3 million. The city's latest system, to be installed as part of an upgrade at its 11.6-MGD Water Pollution Control Facility, will be compatible with the SCADA system supplied by Siemens to Meriden's water division facilities in 2002. Once the new SCADA system comes online in early 2010, it will allow the city to control and monitor 1,550 process-related database points, make informed decisions regarding the operation of the pollution control facility, and optimize process operations. This, in turn, will improve the facility's effluent.

Siemens' scope of supply will include SCADA system hardware and software application engineering, facility-wide instrumentation and controls loop drawing documentation, and project management coordination. SCADA system factory staging and testing will be included as part of the contract, as well as a formal customer/city factory witness test. Field service support will include onsite installation supervision, field readiness testing, system start-up and commissioning and a formal customer/city test for final SCADA system acceptance. Siemens will also provide Meriden's operations and maintenance personnel with onsite formal training in the use, maintenance and troubleshooting of the pollution control facility's new SCADA system.

The system's design will provide dedicated control locally at six pollution control facility processing areas that will all communicate back to a central data processing area over a standard process control network. Meriden, its consulting engineer Metcalf & Eddy (Wallingford, Conn.), and its general contractor Carlin Contracting Co. Inc. (Waterford, Conn.) also required that the pollution control facility's SCADA system be able to locally interface with third-party Programmable Logic Controller (PLC) systems and provide a facility-wide Ethernet communication-based Human Machine Interface (HMI) system.

Siemens' SCADA system control and monitoring functions include operator interface process graphics, alarm summary display and reporting as well as real-time and historical trending. Meriden will be able to use the SCADA system's in-plant alarm functionality concurrently with Siemens' standard alarm paging software to provide configurable real-time alarm paging over the city's third-party paging system. In addition, the SCADA system will also provide operational and regulatory reports and logs in Microsoft Excel format for real-time and historical data.

The Siemens Industry Solutions Division (Erlangen, Germany) comprises the business activities of Siemens VAI Metal Technologies, (Linz, Austria), Siemens Water Technologies (Warrendale, Pa., U.S.A.), and Industry Technologies, (Erlangen, Germany).

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