STRATEGIC PRIORITY: Transportation & Infrastructure
AGENDA DATE: February 26, 2025
COUNCIL DISTRICT(S):|910|DEPARTMENT: Dallas Water Utilities Department
EXECUTIVE: Dev Rastogi
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SUBJECT
Title
Authorize an increase to the construction services contract with Oscar Renda Contracting, Inc. for additional work associated with the rehabilitation of wastewater interceptors at three locations - Not to exceed $1,321,577.94, from $26,210,144.72 to $27,531,722.66 - Financing: Wastewater Capital Improvement G Fund
Body
BACKGROUND
On September 26, 2018, the City Council authorized a construction services contract with Oscar Renda Contracting, Inc. for the rehabilitation of approximately 12,515 feet of critical wastewater interceptors with identified condition deficiencies. The project includes the rehabilitation of 42-inch, 54-inch, and 120-inch wastewater interceptors, point repairs to an existing 72-inch wastewater interceptor, and the construction of reinforced concrete retaining walls to protect these critical interceptors from continued erosion of the adjacent riverbank.
On December 8, 2021, the City Council authorized a construction change order for encountered conditions that could not have been anticipated at the time of bid. The additional work was associated with unexpected bends and flow control, manhole rehabilitation, removal of concrete, removal of a failed liner section in the 42-inch diameter pipeline, and installation of erosion protection at a retaining wall. During the completion of construction, the contractor has encountered additional conditions that could not have been anticipated at the time of bid. These items have required additional work and resources not included in the original contract or first change order, including (1) the manufacture, purchase, and installation of additional fittings to address field conditions that did not match utility records, (2) additional modifi...
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