Center - San Net STUDY - Transbay Transit Center Francisco , US
NAME : P.CHANDRA LEKHA CLASS : B.ARCH (5th YEAR)
Transbay Transit Center
Transbay Transit Center is Center is a multimodal transportation centre under construction in San Francisco in the US. The US. The project will replace the outdated Transbay Terminal and integrate 11 transit systems to systems to operate in the city under one roof. The $4.2bn project, which will serve 45 million passengers annually, is being executed by Transbay Joint Power Authority (TJPA), a consortium of the Bay Area government and various transportation agencies. TJPA will be responsible for designing, building, operating and maintaining the facility. Ground breaking for the project took place in December 2008 and is scheduled for completion in 2017.
Transbay Transit Center construction :
Transbay Transit Center is being constructed on the same site of the old Transbay Terminal, which was built in 1939. The Th e project started with the construction of the temporary terminal building in December 2008, which was put into operation by August 2010. Demolition of the old terminal started in December 2010 and was carried out in four phases, and completed by September 2011. According to the Transbay Joint Powers Authority(TJPA) , Authority(TJPA) , Livermore-based Evans Brothers is the demolition contractor, a joint venture of Webcor/Obayashi is the general contractor for the new transit center construction and Turner is the construction manager. The Transbay Temporary Terminal, located on Howard and Main streets, will serve as the temporary bus facility until the completion of the new Transbay T ransbay Transit Center at First and Mission streets in 2017.
Transbay Temporary Temporary Terminal - plan plan and view
Principals involved in the temporary terminal construction project were McGuire Hester of Oakland, general contractor; Townsend Management Inc. of San Francisco, construction manager; and the Oakland office of Jacobs Carter Burgess, engineering/consulting. Besides the bus terminal, the temporary terminal will include an AC Transit site office, a customer service/security building, public amenities (canopies, amenities (canopies, seating, lighting, restrooms, bike racks, etc.) and driver restrooms.
PROJECT GOALS :
Improved access to rail and bus services Modernization of the Transbay Terminal that meets future transit needs
Reduced non-transit vehicle use
Accommodating projected growth in travel demand in the San Jose-San Jose -San Francisco corridor
Reduced traffic congestion on US Highway 101 and I-280 between San Jose and San Francisco and reduced vehicle hours of delay on major freeways in the Peninsula corridor
Improved regional air quality by reducing auto emissions
Direct access to downtown San Francisco for f uture intercity and high-speed rail service
Alleviation of blight and revitalization of the Transbay Terminal Area
Support of local economic development goals.
Transbay Transit Center project : Transbay Transit Center is part of the Transbay Redevelopment Project, Project, which aims to regenerate a 40-acre site surrounding the centre. It includes the construction of the centre, 100 ft-tall transit tower, 2,600 residential houses, three million square feet of commercial and office spaces and 100,000ft² of retail spaces.
The Transbay Transit Center project Center project will replace the transbay terminal located at First and Mission streets and create a new, multi-modal transit center that will eventually serve more than 100,000 passengers per day. The centre will provide a transportation hub for eight Bay Counties and the California State. It will integrate various v arious transit systems including AC Transit, Bay Area Rapid Transit, Caltrain, Golden Gate Transit, Greyhound, Muni, SamTrans, WestCAT Lynx, Amtrak and Paratransit. Designed by Pelli Clarke Pelli, Pelli, the Transbay Transit Center project will transform the area surrounding the new transit center into a new mixed-use neighborhood that neighborhood that will include 2,600 new homes (35% affordable), shops, public parks and plazas, widened sidewalks with new street trees and lights, and commercial space next to the new transit center. The block of downtown San Francisco that will be occupied by the temporary terminal will, at the end of the project, be transformed into 732 new residential units and a one-acre public park. Folsom park. Folsom Street, the southern boundary of the temporary terminal, will emerge as the centerpiece of the new ne w Transbay Neighborhood with widened sidewalks, cafes, markets and views of the San Francisco Bay. The new transit center will display an a n iconic glass-and-steel structure that structure that will serve 12 transit systems, including Caltrain and future California High Speed Rail. Designed to be the focal point of a new transit-oriented neighborhood, the transit center will be a destination for both transit users and the general public. public .
The second phase of the project, proje ct, scheduled for completion later this decade, will provide rail access to the new Transit Center via an underground tunnel from the existing rail terminal at 4th and King Streets.
Design of the Transbay Transit Center : The new transit centre will be spread over five storeys and cover an area of one million square feet. The five levels of the centre are train station platform, lower concourse level, ground level, second level, bus deck level and City Park.
The train station platform level will be located underground. underground. It will include three passenger platforms and six train tracks serving Caltrain and the future California High-Speed Rail.
The lower concourse level will serve as a link a link between the ground level and underground level. level. It will be used for passenger circulation and include retail spaces.
The ground level is a concourse area and will serve as the main circulation hub for the centre. It includes the Great the Great Hall with a main entrance from Mission Square.This Square.This level will include an information i nformation centre, escalators and automated ticketing facilities.
The second level will level will be located over the ground level and will be used for passenger circulation. It will include administrative offices, support services and potential retail facilities. Located above the second level, the bus the bus deck level will level will include a central ce ntral island where buses will load and off-load passengers. passengers. It will be mainly used by AC Transit, MUNI, Amtrak and Greyhound. The upper level includes the 5.4-acre city park ( rooftop urban park), park), which will serve as a green roof for the transit centre. It will contain gardens, trees, an open-air amphitheatre, running and walking track, space for evening film screenings, s creenings, cafes and restaurants, lily ponds and grass areas for picnics. providing recreational experiences to the public. public.
The 5.4-acre park on the roof will contribute not only to the sustainability of the center by acting as a living roof, but will also enhance the quality of the environment for neighboring buildings.
The top most levels of the Transbay Transit Center include a city park.
sustainable features : The Transit Center is also slated to be among the greenest buildings in the U.S. and will meet the current LEED gold level standards. Some of its sustainable features include a geothermal system to assist in substantially reducing energy consumption and a greywater recycling system that system that will manage and re-use waste water in water in the facility.
The transit center will be entirely naturally ventilated, and, to a large extent, natural light.
Various green building techniques and LEED energy efficiency techniques are included in the design of the building. Other than the park, other green features include maximum use of daylight, storm water runoff reduction and water conservation.
Overall design aspects of the terminal include:
Regional transportation hub containing more than one million square feet , Serving 11 transportation systems
Featuring City Park, a 5.4-acre rooftop public park. The 1,400-foot-long elevated linear park will include a variety of activities and amenities.
Pedestrian bridges that connect the Transit Center’s rooftop park to surrounding
development.
Featuring a Light Column, which will allow allow natural daylight daylight into the Transit Center Center
Including sustainable design features, which will allow the facility to achieve LEED gold certification
Construction of the Transit Center is currently underway. Construction is expected to be complete in late 2017.
SOURCES OR REFERENCES : http://www.justinsfrealestate.co http://www.justinsfrealestate.com/transba m/transbay-terminal/ y-terminal/ http://www.sfcta.org/transb http://www.sfcta.org/transbay-transit-center ay-transit-center http://transbaycenter.org/p http://transbaycenter.org/project/transit-cente roject/transit-centerr http://www.enr.com/articles/1 http://www.enr.com/articles/19237-demoli 9237-demolition-of-san tion-of-san-francisco-s-francisco-s-old-transbay-term old-transbay-terminal-to-begininal-to-beginaug-7
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