Equipment category · HCAI/OSHPD OSP
Cooling Towers — OSP Preapprovals
All 12 HCAI/OSHPD Special Seismic Certification preapprovals issued for Cooling Towers. 9 active, 3 expired, across 5 manufacturers. Source data from HCAI · updated 2026-04-21.
Manufacturers with Cooling Towers OSPs
| OSP # | Manufacturer | Expires | |
|---|---|---|---|
| OSP-0001 | Baltimore Aircoil Company, Inc. | 3/25/2031 | Details → |
| OSP-0002 | Baltimore Aircoil | Expired | Details → |
| OSP-0111 | Evapco | Expired | Details → |
| OSP-0171 | SPX Cooling Tech, LLC | 5/30/2031 | Details → |
| OSP-0224 | Baltimore Aircoil | Expired | Details → |
| OSP-0289 | Tower Tech | 6/20/2029 | Details → |
| OSP-0368 | Baltimore Aircoil | 8/10/2028 | Details → |
| OSP-0384 | Baltimore Aircoil Company, Inc. | 4/18/2031 | Details → |
| OSP-0473 | Baltimore Aircoil | 2/11/2028 | Details → |
| OSP-0481 | Evapco | 12/9/2028 | Details → |
| OSP-0488 | Evapco | 2/23/2029 | Details → |
| OSP-0618 | Baltimore Aircoil Company, Inc. | 5/16/2031 | Details → |
About Cooling Towers 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 Cooling Towers on a California hospital project? Talk to a Panache engineer.