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Descending from City-County Building
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Below City-County Building;
Below Fourth Ave;
Stairway from Grant Building lobby
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OFFICIAL NAME:
OTHER DESIGNATION:
Grant Bldg Pedestrian Tunnel
LOCATION:
Pittsburgh
USGS 7.5" Topo Quad - UTM Coordinates:
Pittsburgh East - Zone 17; 0585 4476
CARRIES:
pedestrians
BETWEEN:
-- City-County Building
-- Grant Building
UNDER:
Fourth Av between Grant St and Ross St
TYPE OF CONSTRUCTION / DESIGN:
TOTAL LENGTH:
OTHER DIMENSIONS:
YEAR ERECTED / ENGINEER:
c 1930
Henry Hornbostel and Eric Wood Fisher, architects, Grant Building
ADDITIONAL INFO:
In 1915-17, the City-County Building was constructed in the block bounded by Grant St, Forbes Av, Ross St and Fourth Av. In the year following its completion, a tunnel was dug under Forbes Av to link the basements of this building with the adjacent Allegheny County Courthouse.
As other related buildings were constructed in adjacent blocks, a network of tunnels was created -- with the City-County Building as the hub. The Grant Building rose opposite Fourth Av in 1927-30. The County Office Building by Stanley L. Roush was built across Ross St in 1929-31.
The Grant Building was primarily occupied by lawyers. A marble-walled entry from the lobby leads to a tunnel connecting to the basement of the City-County Building -- from there a series of tunnels leads to the Courthouse and County Office Building. Although a bronze plaque near the Grant St entrance of the City-County Building lobby heralds the tunnel, the connection to the Grant Building from the City-County Building is less obvious once in the basement. Four hallways form a rectangle to complete the connecting hub under the City-County Building.
FIELD CHECKED:
10-Jan-2001
INFO SOURCES:
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Introduction --
Nearby Structures
Page created:
Last modified:
10-Jan-2001
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