Breathing new life into 4601 Market St. – Negative Air Enclosures
April 8, 2015
A more appropriate title would be: Sucking Old Life Out of 4601 Market. Say what? The former Provident Mutual Life Insurance campus is going to be turned into a new headquarters for the Philadelphia Police Department, Philadelphia Health Department, and City Morgue. As part of the redevelopment, Superior Scaffold is providing scaffolding support for the negative air enclosures. Yep, you heard correctly. Negative air enclosure – it essentially creates negative air pressure in the building while crews are doing asbestos abatement work. The contaminated air in the building gets sucked out through these large chutes that Superior Scaffold erected (then skinned or wrapped) and...
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