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UPDATE 7/26/2023 -AMENDMNT 0001 has been posted. This is to answer questions and extend the soliciaiton due date.

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USACE Pittsburgh District seeks to rent hydro demolition equipment and supporting machinery to facilitate repairs of no less than 20 monolithic joints within the Main Chamber of the Montgomery Lock. Hydro demolition is required to remove vertical concrete at a maximum depth of 1’, a minimum width of 3’ and a maximum width of 7’per pass. Existing concrete is reinforced with a layer of welded wire mesh roughly 3” beneath the surface and doweled in with #6 hooks.

High Pressure Water Blasting System Specifications

• Fuel Type: Diesel

• Minimum Horsepower: 600 HP

• Minimum Rated Gallons/Minute: 43 GPM

• Minimum Rated PSI: 20,000 PSI

• Minimum Rated BAR: 1,400

• Weight: NTE 20,000 lbs

• Length: NTE 18’

• Width: NTE 8’

• Height: NTE 8’

• Intake Hose: High Pressure 75’-150’

• Discharge Hose: High Pressure 75’-150’

• Must Have Crane Lifting Points.

• Must be setup to take water supply from river.

Hydro Demolition Robot Specifications

• Minimum Cutting Height Overhead: 12’

• Minimum Cutting Height – Vertical: 15’

• Minimum Cutting Reach – Vertical: 10’

• Minimum Cutting Reach – Horizontal: 12’

• Minimum Cutting Below Track Level: 6’

• Cutting Width: 3’-7’

• Weight: NTE 7,000 lbs

• Length: NTE 14’

• Width: NTE 6’

• Height: NTE 8’

• Must Have Crane Lifting Points.

Training Support

At least 8 hours of onsite training support for the use of the proposed equipment and emergency technical support for machine failure.