File #: 24-0193    Version: 1 Name: Grit Screening and Sludge
Type: Agenda Item Status: Approved
File created: 4/8/2024 In control: Public Works
On agenda: 4/23/2024 Final action: 4/23/2024
Title: Consider and take action on a resolution authorizing a one-year renewal agreement with Wastewater Transport Services LLC for grit screening/sludge transportation and disposal services in an amount not to exceed $527,562 (Director of Public Works)
Attachments: 1. Proposed Resolution, 2. Exhibit A - Agreement with Wastewater Transport Services, LLC, 3. Contract Renewal Letter, 4. Approved Data Sheet 5.25.21, 5. Original Agreement, 6. Vendor Report Card
Title

Consider and take action on a resolution authorizing a one-year renewal agreement with Wastewater Transport Services LLC for grit screening/sludge transportation and disposal services in an amount not to exceed $527,562 (Director of Public Works)

Background:

Approval of this resolution will authorize a one-year renewal agreement with Wastewater Transport Services LLC for grit screening/sludge transportation and disposal services for all wastewater treatment plants for the period starting June 1, 2024 through May 31, 2025 in an amount not to exceed $527,562, with one additional one-year renewal option available.

The City released ITB #21-026 on March 9, 2021. Three responses were received on April 14, 2021, with two qualified bids from Wastewater Transport Services LLC and Sprint Waste of Texas, LP. The third vendor was disqualified due to bid submission discrepancies. Wastewater Transport Services, LLC was the lowest qualified bidder in the amount of $1,536,588 (June 1, 2021 through May 31, 2024) with the option to renew for two additional one-year periods. 

Presently, the City’s two activated sludge wastewater treatment plants produce an annual yield of approximately 8,320 dry tons/640 loads of de-watered sludge cake at 17 to 24 percent (%) solids content. The de-watered sludge cake is then transported from the Southwest Water Reclamation Facility (SWWRF) located at 1551 S. Maple Leaf Drive and the Dallas Salmon Wastewater Treatment Plant (DSWWTP) located at 703 N. Wisconsin Avenue, to a Texas Commission on Environmental Quality (TECQ) permitted compost site. Incidental liquid sludge loads are transferred between DSWWTP and SWWRF approximately 6 miles one way. Quantities are estimates based on historical sludge production and are not guaranteed for the term of contract.

Grit screenings from the above-mentioned treatment facilities will be disposed of at the TCEQ permitted landfill. These facilities currently produce approximately 10 loads o...

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