Golden Gate National Recreation Area - Stabilize A   4

Background
The project involves critical repairs and seismic strengthening of the concrete wharf on Alcatraz Island, which is a contributing feature of the Alcatraz Island National Historic Landmark District built in 1939. The goal is to repair the historic, steel-cased concrete piles, concrete beams, and concrete slabs, which are in fair to poor condition with varying degrees of damage. Additionally, two new seismic resisting elements will be installed to bring the wharf up to a seismic Risk Category III structure. The work will be undertaken in a single phase of construction.

Work Details
The work includes repair of the historic, steel-cased concrete piles, concrete beams, and concrete slabs. Two new seismic resisting elements will be installed to bring the wharf up to a seismic Risk Category III structure. The project involves concrete repairs and seismic improvements in a single phase of construction.

Period of Performance
The performance period is negotiable and must begin within 10 calendar days after receiving the award. The completion period is 1114 calendar days after receiving the award.

Place of Performance
The construction projects will be performed on Alcatraz Island.