2024 Progress Updates

Progress Update, Week of March 11th, 2024

During the week of March 11, the Gowanus Remediation Team (GRT) continued the RTA 1 Capping Operation.

Concrete mattresses were delivered and placed along the bed of the canal to create an armor layer. Mattresses were placed between Union Street and Carroll Street.

Divers were utilized to assess underwater conditions.

Photos of construction activities are provided below.

Mattress placement in progress.
Continued mattress placement in progress.

Progress Update, Week of March 18th, 2024

During the week of March 18, the Gowanus Remediation Team (GRT) continued the RTA 1 Capping Operation.

Concrete mattress placement was completed!

The GRT will place stone above the armor layer to create a gravel layer. Stone placement began.

Controlled low-strength material (CLSM) and structural concrete were placed in the canal.

Grouting operations took place in the canal at 2nd Street and Carroll Street.

Divers were utilized to assess underwater conditions.

Photos of construction activities are provided below.

Stone placement in progress.
Grout placement in progress.
CLSM placement in progress.

Progress Update, Week of March 25th, 2024

During the week of March 25, the Gowanus Remediation Team (GRT) continued the RTA 1 Capping Operation.

Stone placement continued. Stone was placed between 3rd Street and Carroll Street.

Photos of construction activities are provided below.

Stone placement in progress.
Continued stone placement in progress.

Progress Update, Week of April 1st, 2024

During the week of April 1, the Gowanus Remediation Team (GRT) continued the RTA 1 Capping Operation.

Stone placement continued. Stone was placed between Carroll Street and Butler Street.

Photos of construction activities are provided below.

Stone placement in progress.
Continued stone placement in progress.

Progress Update, Week of April 8th, 2024

During the week of April 8, the Gowanus Remediation Team (GRT) continued the RTA 1 Capping Operation.

Stone placement continued. Stone was placed at Union Street. Additional stone was placed behind bulkhead walls.

Concrete was placed at the Union Street Bridge embankment slopes. Donut fenders were installed at the Union Street Bridge monopiles.

Monopiles were cut to an appropriate height at the Third Street Bridge.

Photos of construction activities are provided below.

Stone placement in progress.
 Third Street Bridge monopile.

Progress Update, Week of April 15th, 2024

During the week of April 15, the Gowanus Remediation Team (GRT) continued the RTA 1 Capping Operation.

Monopiles were cut to an appropriate height at the Carroll Street Bridge and at the Union Street Bridge. Monopiles were capped and fender installation began at the Third Street, Carroll Street, and Union Street Bridges.

Stone and concrete placement was completed.

Preparations were made for upcoming survey work.

Photos of construction activities are provided below.

 Carroll Street Bridge monopile.
Fender installed at the Third Street Bridge.

Progress Update, Week of April 22nd, 2024

During the week of April 22, the Gowanus Remediation Team (GRT) continued the RTA 1 Capping Operation.

Monopile capping and fender installation was completed at the Third Street Bridge.

Preparations for upcoming survey work were completed.

Photos of construction activities are provided below.

Survey equipment foundation placement.
Survey equipment installed.

Progress Update, Week of April 29th, 2024

During the week of April 29, the Gowanus Remediation Team (GRT) continued the RTA 1 Capping Operation.

Equipment was mobilized for upcoming supplemental dredging near Douglass St.

A photo of construction activities is provided below.

Equipment staging near Douglass Street.

Progress Update, Week of May 6th, 2024

During the week of May 6, the Gowanus Remediation Team (GRT) continued the RTA 1 Capping Operation.

Supplemental dredging near Douglass St began. Dive inspections were conducted. Sediment was removed and controlled low strength material (CLSM) and structural concrete were placed as part of the capping process.

Photos of construction activities are provided below.

CLSM placement in progress.
Water Treatment Barge anchored south of Carroll Street.

Progress Update, Week of May 13th, 2024

During the week of May 13, the Gowanus Remediation Team (GRT) continued the RTA 1 Capping Operation.

Supplemental dredging near Douglass St. continued. Sediment was removed.

Photos of construction activities are provided below.

Supplemental dredging in progress.
Continued supplemental dredging in progress.