Amendment 0002 SSC Nav Lock Miter Gate metalwork examples of damage.pdf

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NASA Stennis Space Center Miter Gate Rehabilitation Construction Contract
Solicitation number
W912P921R0036
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This document provides information regarding a federal construction contract opportunity for the rehabilitation of miter gates at the National Aeronautics and Space Administration's John C. Stennis Space Center in Mississippi. The solicitation package is expected to be issued on or about May 21, 2021 via the System for Award Management website. The opportunity involves removing and rehabilitating both the upper and lower miter gates, which will include blasting and painting, replacement of timber fenders and rubber seals, and structural member replacement and repair. Rehabilitation will also include removal, repair, installation and testing of the cathodic protection system. Work is to be completed to minimize any lock closure duration. The estimated value of the contract is between $5 million and $10 million. Questions may be directed to the point of contact provided by the deadline contained in the solicitation package.

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SSC Nav Lock Miter Gate Metalwork Examples of

Damage

Warning: The following slides provide examples of typical damage and corresponding repair designations and shall be used for information only. The Contract Plans & Specifications contain the specific locations of designated repairs, along with details and methods to perform the repairs.

Skin plate intercostal damage

Repair Detail ‘A’– replace intercostal in entirety.

Transverse Girder Stiffener Damage Repair Detail B (Replace Stiffener)

Longitudinal Girder Stiffener Damage Repair Detail D (Replace Stiffener)

Diaphragm Flange Damage Repair ‘C’ (replace Flange) –

Diagonal Gusset Stiffener Damage Repair ‘E’ (Remove damaged portion)

Skin Plate Horizontal intercostal Damage Repair ‘F’ (Replace member)

Daylight

Thrust Plate Damage Repair ‘G’ (add scab plates)

Daylight

Member edge damage due to corrosion.

Repair ‘J’ (Remove damaged material)

Downstream Girder Flange

Impressed Current Anode support damage.

Repair ‘K’ (Replace support)

File details come from the government source that posted it. Updated .