Equipment category · HCAI/OSHPD OSP
Exhaust/Smoke Control Fans — OSP Preapprovals
All 11 HCAI/OSHPD Special Seismic Certification preapprovals issued for Exhaust/Smoke Control Fans. 9 active, 2 expired, across 7 manufacturers. Source data from HCAI · updated 2026-04-21.
Manufacturers with Exhaust/Smoke Control Fans OSPs
| OSP # | Manufacturer | Expires | |
|---|---|---|---|
| OSP-0033 | Loren Cook Company | 12/15/2031 | Details → |
| OSP-0102 | Loren Cook | 7/27/2028 | Details → |
| OSP-0148 | Greenheck Fan Corporation | 12/17/2031 | Details → |
| OSP-0223 | Greenheck | Expired | Details → |
| OSP-0343 | ENERVEX Inc. | 11/10/2031 | Details → |
| OSP-0360 | ACME Engineering & Manufacturing Corporation | 9/26/2031 | Details → |
| OSP-0395 | Twin City Fan | Expired | Details → |
| OSP-0442 | Loren Cook Company | 8/28/2031 | Details → |
| OSP-0502 | Greenheck Fan Corporation | 4/23/2031 | Details → |
| OSP-0503 | Greenheck Fan Corporation | 4/23/2031 | Details → |
| OSP-0748 | Greenheck | 10/27/2028 | Details → |
About Exhaust/Smoke Control Fans 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 Exhaust/Smoke Control Fans on a California hospital project? Talk to a Panache engineer.