Equipment category · HCAI/OSHPD OSP

Transformers – Liquid Filled — OSP Preapprovals

All 6 HCAI/OSHPD Special Seismic Certification preapprovals issued for Transformers – Liquid Filled. 2 active, 4 expired, across 5 manufacturers. Source data from HCAI · updated 2026-04-21.

Manufacturers with Transformers – Liquid Filled OSPs

OSP #ManufacturerExpires
OSP-0098GE
Expired
Details →
OSP-0115Hitachi Energy USA Inc. (formerly ABB)2/19/2031Details →
OSP-0121Cooper Power Systems10/25/2028Details →
OSP-0370Pacific Crest Transformers
Expired
Details →
OSP-0399Howard Industries
Expired
Details →
OSP-0403GE
Expired
Details →

About Transformers – Liquid Filled OSP preapprovals

Listed records are sourced from the official HCAI OSP page. Always verify status, conditions, and expiration with HCAI before specifying a component. Need PE/SE stamped anchorage calculations for Transformers – Liquid Filled on a California hospital project? Talk to a Panache engineer.

Need PE/SE-stamped anchorage for transformers – liquid filled (Iₚ = 1.5)?

PANACHE ENGINEERING delivers HCAI-ready seismic anchorage calculations, OPM/OSP submittal packages, and shake-table coordination for California hospital construction. Fixed-fee proposals, ASCE 7-22 Chapter 13 compliant, turnaround typically 5–10 business days.