Engineering Updates – June 25, 2024

June 25, 2024

Engineer’s Report

Projects Under Construction

Levee Repairs at 1603 Savannah

Project includes removing a large tree which is dying located at the toe of the existing levee, backfilling and repairing the levee, as necessary, and installation of swing gates to facilitate maintenance.

Project consists of the following scope:

  • Bee Hive Removal & Relocation
  • Tree, Retaining Wall Removal and Levee Reconstruction
  • Gate and Fence Installation

Fence and gate installation will be completed by end of June 2024.

Rehabilitation of Chemical Feed System at Surface Water Plant

Project includes modifications and rehabilitation of the chemical feed system at the surface water plant to increase efficiency and due to components reaching design life.

Engineer reported that the contract is approximately 80% complete and that the Contractor is waiting on delivery of additional equipment for installation.

Wastewater Treatment Electrical Improvements & Generator Replacement

Project includes update of the control panel and related electrical system at the wastewater treatment plant as well as replacement of the existing generator. Generator has been delivered and installed on the site.  Contractor still waiting on control center delivery which is expected in September 2024.  Existing diesel generator is still onsite and operational.

South Pump Station Generator

Project includes replacement of existing diesel generator at the South Pump Station. Contractor has completed preliminary site work.  Generator delivery anticipated in August 2024.  Centerpoint is currently upgrading the natural gas service line to accommodate the new generators.

Elevated Storage Tank and Surface Water Plant Recoating

Project includes recoating of elevated storage tank and components of the surface water treatment plant.  Recoating of the elevated storage tank will include the Pecan Grove graphic on both the north and south facing sides. Contractor has started mobilization on shrouding of the elevate storage tank.

Storm Sewer Outfall Rehabilitation

Project includes repair and/or replacement of many storm sewer outfalls throughout the District based on inspections. Project is on hold due to high river levels.  Project expected to restart in early July 2024.  Board approved Pay Request No. 1 in the amount of $48,555.00 and Change Order No. 2 in the amount of $5,220.00 due to additional drainage improvements in District drainage reserve.

Programming Updates for the Surface Water Treatment Plant

Project includes upgrading the automation and computer components of the plant, including all necessary programming. Contracts are fully executed and pre-construction meeting will be scheduled for early July 2024.

Projects Under Design

South Pump Station Headwall Modification and Redundant Closure Devices

Project includes modification of headwall structure for the South Stormwater pump station to allow for the design and installation of back up closure devices. Design Paid for out of Bond Issue No. 18 and construction to be funded by a future bond issue. Project is nearing final approval.

North Pump Station Redundant Closure Devices

Project includes design and installation of back up closure devices at the North Pump Station. Design Paid for out of Bond Issue No. 18 and construction to be funded by a future bond issue. Project is nearing final approval.

Belt Press Upgrades at Surface Water Treatment Plant

Project includes upgrading the belt press at the surface water treatment plant to allow for consistent operation and reduce the overall run time of the process. Contracts were executed by the Board and Engineer will schedule pre-construction meeting for July 2024.

Waterline Rehabilitation – Phase Two

Project includes replacement of aging waterline infrastructure within Plantation, Section One with additional location of Mayweather Lane between Plantation Drive and Morton League Road. Project to be paid out of bond funds. Engineer presented proposed schedule for the project, which includes construction commencing in 1st Quarter 2025.

Additional Engineering Items

AT&T Construction

Engineer reported that the District is aware of the construction activity by AT&T and is working to identify all costs for damages caused by AT&T sub-contractor.  Once costs are accumulated, Engineer will work to recoup costs from AT&T.

4.4 Acre Tract on Mason Road

Potential developer presented the Board the potential mixed use commercial development located at the northwest corner of Mason Road and Brandt Road, on a tract immediately adjacent to the District’s surface water plant.  They are requesting consideration from the District for water and wastewater services. After discussion, the District agreed to request a deposit from the Developer to consider the feasibility for the District to serve the tract.