Replacement of existing programmable logic controllers (PLCs) and serial data radios with new PLCs and new Ethernet radios in existing supervisory control and data acquisition (SCADA) control panels at the Iowa City Water Treatment Plant and several remote facilities including well houses, pump stations, ground storage reservoirs, and a radio tower. Installation of new OWNER-furnished Ethernet network switches in all control panels. Creation of a self-healing network communication ring at the water treatment plant using existing fiber optic cabling. Modification of existing PLC programming for several processes improvements and the removal of unused PLC code. Significant modification of the existing SCADA human machine interface (HMI) graphics software to improve graphical organization, improve the presentation of process data, and to incorporate controls for updated PLC programming.

Project Schedule Information: 

Final Completion Date:  June 29, 2018
Liquidated Damages:  $300 per day

Date plans available: 
Wednesday, August 2, 2017
Obtain from: 

Strand Associates
910 West Wingra Drive
Madison, WI   53715


Deposit refundable if plans/specifications are returned in reusable condition within 14 days of award of project.

Pre-bid Conference: 

Date:  August 16, 2017
Time:  1:00 p.m.
Location:  Water Treatment Plant
                 80 Stephen Atkins Dr.
                 Iowa City, IA   52240

Project Status



ESCO Automation

Engineer's Estimate


Bid Deadline

Wednesday, August 23, 2017 - 3:00pm

Council Award Date

Tuesday, September 5, 2017