Issue:
OPA or OPM is being requested for the anchorage detail in the NetShelter structural calculations document. 

Product line:
NetShelter SX 

Environment:
All models, all serial numbers. 

Cause:
OPA or OPM is required. 

Resolution:
The OSHPD Preapproval of Anchorage (OPA) was discontinued effective March, 1 2013. 
OPM replaced OPA.
Installation of NetShelter SX cabinets using the bracket kit AR7701A-S, and following the instructions at this link, will be OSHPD approved: http://oshpd.ca.gov/FDD/Pre-Approval/OPM-0255-13.pdf

NOTE: The IBC Structural Calculations for Seismic Applications document on the APC website will be updated soon to show the new bracket AR7701A-S is also to be used for IBC High Seismic Area installation.