Z-02 Danubina and East James Area Drainage Improvements at Hull Gully

Z-02 Danubina and East James Area Drainage Improvements at Hull Gully
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Recent Actions

January 10, 2023 – Harris County Commissioners Court approved a $2,684,168 agreement for preliminary engineering, design, bidding, and construction stage engineering services in support of this project.

March 8, 2022 - Harris County Commissioners Court authorized an agreement with an engineering firm for preliminary engineering, design, bidding, and construction stage services in support of this project.

December 14, 2021 - Harris County Commissioners Court approved a $16,828,168 interlocal agreement with the City of Baytown.

Project Description

This is a partnership project with the City of Baytown to improve storm sewer systems, make channel conveyance improvements and construct stormwater detention basins along Hull Gully, HCFCD Unit # Q103-00-00, in the Danubina/East James Area. Hull Gully is a tributary of Cedar Bayou.  

The purpose of this project is to reduce the risk of flooding in the Danubina and East James Area of Baytown. The watershed and project area has experienced significant flooding, including during Hurricane Harvey in 2017. In four days during Hurricane Harvey, the City of Baytown received approximately 40 inches of rain and more than 3,500 homes in the watershed were impacted. A master drainage study was then completed for the City of Baytown in 2020 with the goal of identifying opportunities to reduce flood risk.

The study used Atlas 14 rainfall data to evaluate flood risk for various ACE (Annual Chance Events) and recommended improvements with the goal of reaching a 5-year channel capacity along the storm sewer pipe on Hunnicutt Street. As a result of the study, the City of Baytown has prioritized the systems identified by the study as a high priority project.

This project consists of two phases. Both phases (phase 1 and phase 2) will take place concurrently, with the intention of the Preliminary Engineering stage for Phase 2 running simultaneously with the Design stage of Phase 1. 

Phase 1, which is currently in the Design stage consists of the proposed East James Area storm sewer improvements. In the master drainage study for the City of Baytown, recommendations included the replacement of approximately 4,135 feet of storm sewer pipe along Hunnicutt Street. For the East James area, the master drainage study recommended a parallel trunkline with the same size as the existing line. The Design stage of Phase 1 will further evaluate channel improvements, mitigation requirements and required right-of-way.

Phase 2, which is currently in the Preliminary Engineering stage, consists of Hull Gully (Q103-00-00) channel conveyance improvements. As part of this project, stormwater detention basins for mitigation will be constructed at multiple locations. The specific sites will be shared with the community once finalized during the Preliminary Engineering stage.

Location

Phase 1 is located along East Hunnicutt Street, between North 1st Street past Danubina Street. 

Phase 2 is located along Hully Gully (Q103-00-00).

Stage

Phase 1 of this project is in the DESIGN stage and Phase 2 is in the PRELIMINARY ENGINEERING stage.

Bond Listing

Bond ID: Z-02 provides funding for partnership projects with municipalities, authorities, and other districts in Harris County. This project is one of multiple projects that receive funding from Bond ID Z-02. Total allocation for this project is approximately $33.2 million, of which an estimated $16.3 million is from bond funding. The City of Baytown is providing an estimated additional contribution of $16.9 million.

Phase 1 Project Location Map

PROJECT LIFECYCLE

Every flood damage reduction project is unique. Yet each project begins and ends, with common and predictable milestones along the way. Whether a project moves forward – and how quickly – depends on many factors, including the availability of funding at each milestone, shifting community priorities for flood damage reduction, and other changing circumstances (such as the price of trees or concrete) from year to year. 

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