STRATEGIC PRIORITY: Mobility Solutions, Infrastructure, and Sustainability
AGENDA DATE: September 11, 2019
COUNCIL DISTRICT(S):|910|DEPARTMENT: Water Utilities Department
EXECUTIVE: Majed Al-Ghafry
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SUBJECT
Title
Authorize an increase in the construction services contract with Eagle Contracting, L.P. for additional work associated with the construction of the Peak Flow Basin No. 4 Expansion and Site Improvements at the Southside Wastewater Treatment Plant - Not to exceed $250,648.90, from $14,399,000.00 to $14,649,648.90 - Financing: Wastewater Capital Improvement E Fund
Body
BACKGROUND
On January 24, 2018, City Council authorized a construction contract with Eagle Contracting Limited Partnership for the expansion of the existing Peak Flow Basin No. 4 and site improvements at the Southside Wastewater Treatment Plant. The project will increase the total peak flow storage at the treatment plant from 158 million gallons to 253 million gallons. These improvements will allow the plant to meet increasing wet weather storage requirements as identified in the 2010 Wastewater Treatment Facilities Strategic Plan, extend the service life of existing peak flow storage facilities, and increase operational and maintenance flexibility for peak flow operations.
During the construction of the Peak Flow Basin No. 4 improvements, the base material did not hold for the concrete slope and was washed away after a major storm. In order to rebuild the east slope of the basin, the engineer recommended the use of a different base material and additional steel reinforcement. The change in material was necessary to maintain a stable base and ensure the integrity of the slope since the expanded basin will store raw wastewater.
This action will authorize Change Order No. 1 to the construction services contract with Eagle Contracting, L.P. for the additional work identified to repair the east slope and add steel ...
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