Golden Gate National Recreation Area - Stabilize Alcatraz Wharf   4

Background
The Golden Gate National Recreation Area is seeking to make critical repairs and seismic improvements to the concrete wharf on Alcatraz Island, a contributing feature of the Alcatraz Island National Historic Landmark District built in 1939. The project aims to bring the wharf up to a seismic Risk Category III structure and will be undertaken in a phased approach to maintain visitor, employee, and concessionaire traffic and to mitigate impacts to protected species.

Work Details
The work will include repair of the historic, steel-cased concrete piles, concrete beams, and concrete slabs. Additionally, two new seismic resisting elements will be installed.
The project will also involve repairs to the finger pier connected to the concrete wharf, including repairs or replacement of the existing wooden fender and bearing piles, cross bracing, gangway ramp landing, and motorized pulley system.

Period of Performance
The anticipated period of performance for this contract is 1114 calendar-days from Notice to Proceed (NTP).

Place of Performance
The construction projects will be performed at Golden Gate National Recreation Area, Alcatraz Island, San Francisco California.