Office Bldg. Demolition (Part 2), Bethesda

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Demolition of the upper steel structure, then the lower concrete structure, and finally the central stairwell.
Demolition excavators finish off the final section of a 1950s office building in Bethesda, Maryland. The basement and first two floors have concrete construction, while the top three floors have steel construction.
Produced by John Z Wetmore, producer of "Perils For Pedestrians".

Видео Office Bldg. Demolition (Part 2), Bethesda канала John Z Wetmore