Con Edison Exploratory Excavation

Project Info
  • Construction Date: October 1997
  • Location: New York City
  • Category: Case Studies & Pilot Projects
Project Details

A case study to determine if ConduFill completely filled the void of a section of buried steam piping in NYC.

More Project Details

Con Edison Exploratory Excavation – ConduFill®

March 5, 1998

In October of 1997, Thermal Science Technologies, LLC was contracted to thermally restore approximately 350 LF of 8” high-pressure steam piping on 27th Street between 2nd & 3rd Avenue. This particular section of buried steam piping in New York City was housed within an 18” Class A-type steel casing with 3” of existing asbestos insulation.  In order to verify that the void was completely filled with ConduFill®, Con Edison excavated a randomly-selected section of piping and exposed a 3 square-foot section of the piping system for inspection.

The photographs below were taken at the site on March 5, 1998, six (6) months after the system was insulated with ConduFill®.  The photos reveal that TST successfully filled the void between the carrier pipe and the outer steel casing which reduced heat losses and sealed the piping system from future ground water intrusion.

ConEd Pilot Excavation

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