Construction Drawing Abbreviations. The following is a list of abbreviations found on a typical set of construction drawings designed to help you interpret information on your blueprints.
IDMS. IDMS is primarily a network database management system for mainframes. It was first developed at B.F. Goodrich and later marketed by Cullinane Database Systems. Since 1989 the product has been owned by Computer Associates, who renamed it Advantage CA-IDMS and later simply to CA IDMS.
OpenVMS is a computer operating system for use in general purpose computing. It is the successor to the VMS Operating System (VAX-11/VMS, VAX/VMS), that was produced by Digital Equipment Corporation since 1977 for its series of VAX-11 minicomputers and its line of desktop workstations (DEC Alpha).