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Peer review backs reinstating a reduced 510 pressure zone for Highlands, flags sprinkler risks

Kirkland City Council · April 7, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

A peer review of Highlands water-pressure alternatives found the consultant analysis sound and recommended a reduced reinstatement of the 510 pressure zone as the best long-term fix, while advising additional investigation into how lower-than-original pressures might affect about 70 residential fire-sprinkler systems.

A consultant peer review presented to the Kirkland City Council on April 7 supported the technical analysis behind alternatives to address pressure changes in the Upper Highlands and recommended moving forward — with one important caveat.

Consor engineers told the council that work performed by RH2 used industry-standard hydraulic modeling and that the set of alternatives considered were appropriate for planning and budget decisions. The strongest-performing long-term fix agreed by the peer reviewer…

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