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Seismic assessment finds retrofit options for several PVUSD secondary buildings; staff eye bond funding
Summary
Consultants told the board that targeted retrofits — wall anchorage, added anchors, carbon‑fiber wrap and selective shear walls — can mitigate life‑safety risks at seven secondary‑site buildings and that the work is feasible to pursue throughMeasure SOS and state matching funds; consultants emphasized DSA/permitting implications when renovations exceed statutory thresholds.
MHP Structural Engineers presented a district seismic assessment on Feb. 26 that identified a set of high‑priority retrofit needs at seven secondary‑school structures across PVPUSD.
Consultant Dan Fox and colleague Punam Baka showed results from ASC 41 tier‑1/2 checks for buildings at Miraleste, Peninsula and other sites. Common deficiencies included inadequate wall‑anchorage connections between heavy masonry/shear walls and roof diaphragms, torsional irregularities in rigid concrete‑panel libraries, overstressed steel moment‑frame connections, and areas near mapped landslide zones that require geotechnical follow‑up. Non‑structural hazards—unanchored heavy bookshelves, exposed rebar, cracked concrete and unreinforced masonry guardrails—were also flagged.
For each building the team proposed retrofit strategies: add steel angles and anchor bolts at wall‑to‑roof connections; carbon‑fiber wrapping for pilasters; Simpson hold‑down anchors; infill shear walls (which may reduce window bays); welding plate reinforcement to under‑strength columns; or replace and re‑foot foundations where required. MHP said these voluntary retrofits would generally be targeted to achieve life‑safety performance, but bringing a building to full current‑code compliance could be significantly more expensive and would trigger Division of the State Architect (DSA) requirements if a renovation exceeds the 50 percent replacement‑value threshold.
The consultants provided order‑of‑magnitude cost ranges and urged the district to pursue available state seismic‑mitigation matching funds and integrate seismic projects into the Measure SOS bond prioritization. Board members asked how quickly projects should proceed; MHP said retrofits are feasible and, in their judgment, would reduce risk and are not likely to require wholesale replacement of the buildings in question.
Staff told the board seismic projects are included in the first phase of bond priorities, and next steps include architect qualifications, plan development and DSA review; timelines for DSA approval can exceed a year depending on approvals and scope.
