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Condensate Pipe & Vault Assessment

Kutztown University Kutztown, PA

Projects

Overview

Kutztown University (KU), following a central steam plant and distribution piping replacement, sought to attain a condition assessment of its manhole vaults and condensate piping across campus, in order to allocate funds and prioritize projects to keep their system operating efficiently and reliably.

We were able to deliver a comprehensive solution, by surveying KU’s 40 manhole vaults and 2.5 miles of underground condensate piping both in person and via aerial infrared thermographics.

Solution Details

Site inspections documented structural, infiltration, safety, and insulation deficiencies. Aerial infrared thermographics revealed no significant leaks, but it identified undocumented expansion loops and hot manholes, resulting from poor or no pipe insulation.

After collection, as-built drawings were completed for every manhole. Each drawing contained 3D isometric, plan, and section views. Furthermore, we customized our facility condition assessment software to store condition information for each manhole, complete with photos. The condition information contained a prioritization matrix that weighted the condition of each manhole’s contents to establish a prioritized project schedule. We identified $9.1 million in repair costs, with 23% or $2.13 million of those costs categorized as “immediate” repairs.

Since the assessment, those manholes which are in the poorest condition have had more detailed structural survey completed to determine the extent of deterioration. Repair drawings have been prepared, including concrete patching and repair, galvanic protection to reinforcing steel, and improvements to prevent salt water from roadways from entering the manholes. 

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Highlights

40 manhole vaults surveyed & assessed

$2.13M in projects identified

48% of vaults had energy losses from water infiltration

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