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Residents press utility on safety, pressure, dead ends and notification reach
Summary
Attendees asked about potential pipe damage, pressure changes, coverage for dead-end streets and outreach to transient renters; Olympic Water & Sewer said ice pigging is approved for common pipe materials, PRVs regulate pressure, blow-offs will be used to reach many dead ends, and owners must notify renters.
Residents used the Q&A to raise practical concerns and seek reassurances. On material compatibility and failure risk, Jason White said the contractor’s method is "approved and proven for many different kinds of piping material" including cast iron, asbestos cement and CPVC, and that he did not anticipate damage from ice pigging though he acknowledged a break during the work would be a major event.
On pressure, White explained the system uses 14 pressure-reducing valves and that pressure changes are governed by elevation and PRVs; he offered to have a technician put a gauge on a household line to measure pressure if a resident is worried. For dead-end streets, he said blow-offs, hydrants or PRVs will be used as insertion/discharge points and the utility will try "to get into every dead end," though infrastructure layout imposes limits. On outreach, owners (including Airbnb hosts) are responsible to notify renters; the utility will notify homeowners, HOAs and property managers and urged neighbors to assist with door-knocking where needed.
