Engineering Updates – March 3, 2020


Main Channel Rehabilitation

The District is rehabilitating the south bank of Main Channel at its confluence with Jones Creek.  During Harvey a portion of this bank eroded causing cavities behind some of the existing slope paving.  Repairs will include rebuilding the slope, installation of an erosion control mat, and grout filing behind the void under the existing slope paving.  The District has obtained approval from FEMA for this project.

Construction has commenced and expected to continue into March 2020.

Jones Creek Slope Rehabilitation

Construction has commenced on the Jones Creek Slope Rehabilitation project, which consists of installation of gabion basket erosion protection system along the west side of Pecan Lakes, adjacent to Jones Creek.  Project is expected be under construction through Summer 2020.

Segment B, location near the pump station, is complete, with only minor items remaining as part of close out of the entire project.

On Segment A, the area immediately behind the residences, the Contractor has completed installation of the soldier piles (drilling operations) and is beginning installation of the soil anchors.  Lower portions of the gabion baskets are under construction.

The Contractor is allowed to work from 7 a.m. until sunset for seven days a week. At this time, the Contractor does expect to work seven days a week in order to achieve the project delivery schedule.

Residents are reminded that this is an active heavy construction site.  DO NOT enter construction site at any time.  There has been unauthorized access to the construction area which places the unauthorized visitor and construction crews at risk.

Drainage Improvements to Serve Victoria Garden Drive

The District replaced the existing storm sewer from the intersection of Victoria Garden Drive and Old South Drive to the outfall into Bullhead Slough with a larger storm sewer to improve drainage in the area.

Project is complete and was accepted by the District at the February 2020 Board meeting.

Levee Drainage Improvements adjacent to Harvest Green

Construction has commenced on improvements to the drainage of the outside toe of the levee adjacent to the Harvest Green development.  This project will clear out the trees and vegetation that prevents adequate drainage on the toe of the levee.

Project is complete.

Improvements to Raw Water Tanks at Surface Water Treatment Plant

The District will install a floating mixer in each of the raw water storage tanks at the Surface Water Treatment Plant located off Skinner Road.  The mixers will create constant movement in the raw water to limit sediment from settling to the bottom of the tank. In addition, stairs and walkways will be installed as part of this project to improve operator access to the tanks.

Notice to proceed has been issued and materials have been ordered by Contractor.  Construction at the plant did commence in February and is expected to be complete in April 2020.


Mason Road Levee Improvements

The District is working on raising the levee along Mason Road from the intersection of FM 359, north along Mason Road, then east along Oyster Creek to Farmers Road.   Plans include adding up to an additional one (1) foot of height to the levee between Pecan Grove Plantation Country Club and Farmer Road where it crosses Oyster Creek.  Project will include adjustments to the existing parking lot at Belin Park which will include new paving in portions of the parking lot.

Project was awarded to TLC Construction.  Construction is expected to commence in March 2020.  Construction schedule will impact parking at the Belin Park.  District will update residents as information is available.

North Pump Station Improvements

The District is improving the access to the north pump station by adjusting the headwall and grading modifications.  Project also includes automation of the pumps based on level of water in Bullhead Slough.

Project is currently under advertising to receive construction bids and construction is currently planned for mid-2020.

South Pump Station Automation

The District is updating the electrical system to allow for the pumps at the south pump station to automatically turn on or off based on the water level in the main channel.

Construction was awarded to Electrical Fields Services and Programming Contract was awarded to Prime Control.  Notice to Proceed will be issued in early march and construction is expected to commence shortly thereafter.

Electrical Improvements and Generator at Water Plant No. 2

The District is updating the electrical system including installation of a new generator at water plant no. 2 (located near the elevated storage tank).

Project was awarded to McDonald Electric at the January 2020 Board meeting.  Notice to proceed will be issued in March 2020 with construction expected to commence in Summer 2020.

Improvements at Water Plant No. 3

The District is modifying the pumps and piping system at water plant no. 3 (located at the end of Willow Bend Dr.).

Project was awarded to WW Payton at the January 2020 Board meeting Notice to proceed will be issued in March 2020 with construction expected to commence in Summer 2020.

South Pump Station Access Road Improvements

The District is improving the access road to the south pump station to install a concrete driveway.

Project was awarded to Rodriguez Construction at the January 2020 Board meeting. Notice to proceed will be issued in March 2020 with construction expected to commence that same month.

Rehabilitation of Lift Station 7

The District is rehabilitating and updating the electrical controls at Lift Station No. 7. The pumps, concrete wet well, valves, electrical components and other appurtenances have reached the design life.

Project has been awarded to Gilleland Smith and construction is expected to commence in March 2020.