The following is a list of representative projects with controls and instrumentation systems designed by Associated Engineering. Specific project details and references are available upon request.

Project	Control System	Features
City of Medicine Hat Water Treatment Plant Expansion	4 GE 90-70 PLC's. Approximately 1000 I/O's. 5 PC's running FIX DMACS software. Ethernet LAN, Genius LAN, Yokogawa loop controller LAN.	TCP/IP Ethernet is used for both process control highway and operator interface LAN. Genius LAN is used for analog signals. System serves four conventional process trains with individual chemical feed and flow rate control.
Mountain View Regional Water Services Commission Control System Upgrade and SCADA System	2 Modicon 984-685 PLC's. 7 Modicon 984-130 PLC's. Approximately 400 I/O's. 2 PC's with Wonderware Intouch. Remote plant control. 7 remote stations with multidrop telemetry system.	Full replacement of existing plant control system and conversion to part-time automatic operation. Plant has clarification, softening, filtration, pumping and chemical systems. The 984's control the water treatment plant and manage the regional pipeline system based on "time of use" power agreement. The 130's are located at remote fill stations along the regional pipeline. The system can be accessed and operated remotely and can be serviced over the telephone from Associated Engineering's offices.
Eurocan Industrial Water Treatment Plant Expansion	3 Allen-Bradley Series 5/25 PLC's. Data Highway Plus network fibre optics. 2 Panelmates for operator interface.	Monitoring and control of river pumps, water treatment plant high lift pumps and operation of clarifier. Also monitor and control the chemical feed.
National Silicate Glass Plant	Modicon 984-385, 984-145 PLC's. Wonderware Intouch operator interface on Modbus Plus network.	Monitoring and control of the whole plant. 984-385 and Intouch allows operators to change batching recipe. Controls loading and unloading material from rail and truck. 984-145 controls filter press operation. System can be serviced over the phone from the office.
Esso Chemical Redwater Material Handling	Modicon 984-685 with remote I/O's. 2 Panelmates. Modbus Plus network.	Control and monitor rail and track load/unload facilities. Controls provide automatic control of conveyors. Supplying exact weight as entered in Panelmates.
Ministry of Environment Ontario Lake Huron Water Supply	9 GE 90-70 PLC's, 12 PC's. Approximately 3000 Genius I/O's. 5 Mbps carrierband MAP 3.0 network. Factory Link operator interface.	First microcomputer based implementation of MAP. 340 ML/d plant serves the City of London. Distributed control system in plant with automated sub-processes. Telemetry system to booster pump station and terminal reservoir on regional pipeline.
Town of Banff Water Distribution	One Modicon 984-145 Four Modicon 984-A141 PLC's. 6 Telesafe RTU's. Network over modems.	Voice synthesized radio alarm system. Can be serviced over the telephone from the office. Provides automatic filling sequence of two reservoirs by controlling the 4 operation wells. Monitors the 6 liftstations. Communication is via modems over leased AGT line and dial-up line.
Town of Hinton Water Distribution	4 Modicon PLC's. Network over modems. Panel mount operator interface.	Control and monitoring of the town's water distribution system. Expansion planned for another 6 stations.
City of Stony Plain Central Monitoring System	6 Allen-Bradley PLC-2/16. 4 Allen-Bradley Model 1000 RTU's. Allen-Bradley Control View operator interface.	Central control and monitoring of the water distribution system, monitoring of the sewage pumping stations. Control of water distribution system by adding demand from two reservoir pumphouses and controlling variable and constant speed pumps to meet demand. Central display and alarm monitoring is provided at the maintenance building. Communication with nine remote stations via modems over leased phone pairs.
City of Lloydminster Water Distribution	TI-565 PLC, 2 TI-425 PLC's. TI-CVU-1000 operator interface. Communication is via AGT and Sasktel leased lines.	Monitor and control the operation of river pumphouse high lift pumps (1750 HP) and Husky pumphouse. Status and analog variables are displayed on colour screens. Weekly reports are generated showing peak flow, total flow, max. pressure, etc.
Capital Region Vegreville Corridor Water Services Commission	Bristol 428 Central System with 13 RTU's Bristol DPC 3330 RTU, TI-425 PLC	Bristol 428 System originally designed by Associated Engineering in the 1970's and expanded several times since then. Last expansion added the 3330 RTU and a PLC to control pump sequencing.
Town of Picture Butte Water Treatment Plant Upgrade	TI-425 PLC. Approximately 400 I/O's.	Can be serviced over the telephone from the office. System was "hot installed" without shut down of the water treatment plant. Automatic control of 8 filters, chemical feed and pumping.
Town of Fairview Water Supply Facilities	2 Modicon Micro 984 PLC's	Control of pumping system, interlock monitoring, alarm detection and display, provision for auto restart after utility power failure. Both the river intake and booster pump station are controlled.
Town of Taber Plant Control System	1 TI-545 PLC, 3 TI-520 PLC's. Approximately 500 I/O's. FIX DMACS operator interface. Voice synthesized radio alarm.	TI-545 controls fully automated water treatment plant and processes alarms and status from other remote stations. Alarms are issued through radio system to operator on call. Dial out system provides back-up.
Millar Western River Pump Station Whitecourt	GE series 3 PLC c/w analog and digital I/O modules and Genius blocks.	Control and monitoring of three 150 HP pumps. Both pressure and flow are used to automatically start/stop pumps to match demand. Data link to the water treatment plant for station and alarm display and to the PLC system in the pulp mill. Pump station provides raw water to the City of Whitecourt water treatment plant and to the Millar Western pulp mill.
Pound Maker Ag-Ventures Ltd. Lanigan, Saskatchewan Ethanol Plant	Honeywell Series 9000 controller running Intellution FIX software.	Production of pure ethanol by mashing, fermenting, and distilling wheat. Process controls and status indication through operator workstation in central control room. Control system provides both ladder logic control for interlocking of conveyers and pumps as well as PID loop control. Control and monitoring through colour graphic displays on workstation. Alarms printed out for record keeping.
Buffalo Lake Pump Station	Modicon 984-145 PLC. Nematron operator interface. Modbus network connected to Multilin motor protection units. Voice synthesized radio alarm system.	System controls three large capacity pumps, monitors alarms and reports over voice synthesized radio alarm system. Can be serviced over the telephone from Associated Engineering's offices.
Alberta Environment 40 Mile Coulee Project Bow Island	2 Modicon 884 PLC's at the pump station and at the reservoir inlet control building. Modicon 584 PLC at the syphon control. Voice synthesization by Digital Pathways Model SLC II.	Design of irrigation pump station, including local and remote control and alarming of the pumps and related equipment. The pump station is provided with ten 1000 HP, two speed pumps supplying the canal system from the reservoir. Syphon flow control is by motorized undershot gates at the chute inlet.
Eastern Irrigation District Springhill Pressure Pipeline	GE 90-30 PLC. Panel mount operator interface.	Pump staging and control of a variable speed pump and 5 constant speed pumps. Pump staging is flow controlled. Variable speed maintains pressure setpoint which is automatically varied on flow to minimize power use. System can be serviced via telephone.
Lethbridge Northern Irrigation District Monarch 61B Structures	2 Modicon 984 PLC's.	PLC's provide automated upstream level control for two 6 metre wide overshot gate check structures.
City of Edmonton Lago Lindo Sanitary Sewer Rehabilitation Phase II	Allen-Bradley PLC-2/15.	Control of 3 submersible pumps with manual selection of follow pump and floating standby. Controlled discharge of flow rate via discharge valve and flow meter to prevent surcharge conditions in the sanitary sewer system.
City of Prince Albert Water Treatment Plant Stage II Upgrading	Master PLC Modicon Model 884, seven remote PLC's Modicon micro 84, operator display by IBM model 5531 industrial grade computer running Intellution FIX software. Taylor MOD 30 controllers.	Data acquisition system for the water treatment plant, low lift and reservoir pump stations. Control provided for chemical feed systems. Active graphics display screens provided for plant areas, alarm and event handling and reporting using Intellution FIX software. System monitors plant variables, security and fire detection systems.
City of Calgary Bearspaw Water Treatment Plant Stage 2	2 Modicon 584 PLC's. HP 1000 computer. Fisher Provox operator interface.	Central control of a 2 train, 500 ML/d conventional treatment process including pumping and chemical systems.
City of Edmonton E.L. Smith Water Treatment Plant Stage 2	2 DEC PDP-11/44 with hot stand-by. 6 DEC PDP-11/24 as RTU's. AIMS operator interface. 5 TI PLC's for filter control.	Operator initiated response control system. Area operator control rooms and main control room for control and monitoring of a 300 ML/d clarification, softening and filtration process
City of Lethbridge Water Treatment Plant	DEC PDP-11/44 central computer. 2 TI model 5 TI PLC's. Sage (Valmet) operator interface.	Central control of pumps, clarifiers, filters, chemical systems and plant production. Control and monitoring of 6 remote sites. PLC's perform filter backwash sequencing.
City of Red Deer No. 2 Water Treatment Plant	TI Model 5TI PLC's interfaced to individual filter control consoles. Bristol USC-3000 SCADA system.	PLC control for six filters including backwash sequencing on the basis of either flow total, time, or manual initiation. Bristol system performs data acquisition, reporting and monitoring.
City of Leduc North Pumping Station	GEC GEM 80 PLC. GEC operator interface.	Control and monitoring of variable speed and constant speed pumping units serving a direct pressure system.
County of Strathcona Water Distribution	3 GEC GEM 80 PLC's. GEC operator interface. Network over modem.	Monitor and control the operation of variable speed pump. Controls provide different pump combinations during different times of the day and different seasons of the year. Controls a peak shaving 600 kW Genset which powers a 600 HP variable speed pump.
Fort Chipewyan Water Treatment Plant	TI-435 PLC.	Control of water treatment system. Can be serviced over the telephone from Associated Engineering's offices.
Town of Waskatenau Water Treatment Plant Upgrading	TI-305 PLC.	Control of filters, including backwash sequencing on the basis of time or manual initiation, automatic and manual backflush of clarification system, automatic tower fill and chemical feed system.
Village of Coutts Water Treatment Plant and Pumping Station	TI model 140 PLC 115 V ac and 24 V ac I/O modules.	Automated plant control, chemical feed control, plant alarm display. Automatic "summer/winter" modes. Variable speed pump staged with distribution pumps to provide constant system pressure.
Village of Rosemary Water Treatment Plant	TI-425 PLC Allen Bradley SLC-500 PLC	SLC 500 controls backwash sequence of two filters. TI-425 controls plant production, alarm annunciation, chemical systems and variable and constant speed pump control and sequencing.
M.D. of Taber Enchant Water Treatment Plant	TI-425 PLC	PLC controls automated slow sand filtration plant production, chemical system and variable speed and constant speed pump sequencing. Can be serviced over the telephone from the office.
County of Athabasca Village of Grassland Water Treatment Plant	TI-425 PLC.	Raw water and potable water pumping system control, filter backwash control, plant alarm display, chemical feeders control.