BUILDING REVIEW BOARD AGENDA ITEM
ACTION REQUESTED:
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Consider the requested variance to Section 5-1E-2 Subsection 2 of the Naperville Municipal Code (Prohibition of CPVC and PEX for domestic water supply piping) - BRB Case #112.
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DEPARTMENT: Transportation, Engineering and Development
SUBMITTED BY: Mark Dudash - Chief Building Official
BOARD/COMMISSION REVIEW:
The BRB will consider this request at their April 24, 2025 meeting.
BACKGROUND:
On November 5, 2024, the City Council approved several items requested by Hines Acquisitions to permit the former DeVry University property at 1200 E. Diehl to be redeveloped as a mixed-use development, including a multi-family residential building and two commercial outlots.
Specific to the multi-family component, the City Council approved variances to increase the allowable density, reduce required parking, increase the maximum building height, and reduce required setbacks to permit the construction of a new 5-story, 306-unit multifamily housing building.
At this time, Hines Acquisitions is seeking approval of a variance to permit the use of CPVC and PEX for their domestic water supply piping. Per a Naperville amendment to the Illinois State Plumbing Code, CPVC and PEX are prohibited materials.
Background on Naperville Plumbing Code Amendment
The City of Naperville has, since 1996, adopted by ordinance an amendment to the Illinois Plumbing Code which requires the use of copper domestic water distribution piping. Ordinance 5-1E-2 is as follows:
5-1E-2: AMENDMENTS TO THE ILLINOIS STATE PLUMBING CODE: "Plastic pipe, joints and fittings made from polyethylene (PE), polyvinyl chloride (PVC), Chlorinated Polyvinyl Chloride (CPVC), or polybutylene (PB) made by either solvent-welded or fusion-welded connections, compression, or insert fittings, metal clamps and screws, or threaded joints shall be prohibited for water service or the domestic water distribution system of any building except for the distribution an...
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