Title
Consider a memorandum/resolution authorizing a Letter of Agreement for The Brandt Companies, LLC, to provide and install two (2) Motor Control Centers (MCC's) for Lift Stations #22 and #23, for a total amount of $130,671.00.
Body
DATE: August 20, 2024
TO: Kent Cagle, City Manager
FROM: Jeffery Reynolds, Executive Director of Public Works
SUBJECT: Authorize the execution of a Letter of Agreement for Two (2) Motor Control Centers (MCC's) for Lift Station #22 and Lift Station #23
BACKGROUND AND FINDINGS:
Lift Station #22 serves the areas north of Reese Creek and east of Bunny Trail and on average pumps 16 MG of wastewater per month. Lift Station #23 was built in 2000, serves the area north of Reese Creek and west of Bunny Trail and pumps an average of 7.8 MG of wastewater per month. Both lift stations pump wastewater to Bell County Water Control and Improvement District (WCID) #1 South Wastewater Treatment Plant. Motor Control Centers (MCC) are required in lift stations by Texas Commission on Environmental Quality (TCEQ) as it is an assembly to control electric motors in one central location for easy maintenance of the lift stations.
The MCC at Lift station #22 is currently combined with the site's Supervisory Control and Data Acquisition (SCADA) equipment inside one enclosure. Due to the current location, the internal temperature regularly exceeds the upper limit for the SCADA equipment, causing damage to various relays and fuses. It has been recommended to remove and replace the current MCC and isolate the new equipment within a separate enclosure. This would allow us to regulate the temperature for the SCADA equipment within its own panel, in turn extending its life and reliability.
The MCC at Lift Station #23 is now four years beyond its life expectancy of twenty years and is starting to display signs of deterioration, due to the age. Some consequences are the door seal is deteriorating, the screen inside the panel is losing its backlight, an...
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