| Stem sub | Rest | Detail | Level | UoM | Description |
| UE | * | | 3 | | Type of Work |
| UE | _** | | 3 | | Work Type Detail |
| UE | 1 | | 3 | HR | Process |
| UE | 110 | | 3 | HR | Process Design |
| UE | 113 | | 3 | HR | Heat Exchange Engineering |
| UE | 115 | | 3 | HR | Environmental Engineering |
| UE | 118 | | 3 | HR | Process Control |
| UE | 120 | | 3 | HR | Start-up & Operation |
| UE | 2 | | 3 | HR | Project & Authority Eng.& Mat'l Control |
| UE | 240 | | 3 | HR | Project Engineering |
| UE | 241 | | 3 | HR | CLOSED ~ Flowsheet Engineering |
| UE | 250 | | 3 | HR | Authority Engineering |
| UE | 260 | | 3 | HR | Mat'l Control Engineering |
| UE | 3 | | 3 | HR | Engineering Administration & Specialists |
| UE | 306 | | 3 | HR | CAD/CAE Systems |
| UE | 309 | | 3 | HR | Engineering Management |
| UE | 313 | | 3 | HR | Specialist Engineering –Piping |
| UE | 333 | | 3 | HR | CLOSED ~ Specialist Engineering –Vessles |
| UE | 343 | | 3 | HR | Specialist Engineering –Architectural |
| UE | 345 | | 3 | HR | Specialist Engineering –Civil |
| UE | 353 | | 3 | HR | Specialist Engineering –Electrical |
| UE | 363 | | 3 | HR | Specialist Engineering –Control Systems |
| UE | 373 | | 3 | HR | Specialist Engineering -Structural |
| UE | 383 | | 3 | HR | Spec'st Eng.Mech., Environmental/Noise |
| UE | 384 | | 3 | HR | Spec'st Eng.Mech., Rotating Equipment |
| UE | 385 | | 3 | HR | Spec'st Eng.Mech., Fired Equipment |
| UE | 387 | | 3 | HR | Spec'st Eng.Mech., HVAC |
| UE | 393 | | 3 | HR | Spec'st Eng.Mech., Insulation |
| UE | 6 | | 3 | HR | APD Applications |
| UE | 9 | | 3 | HR | Secretarial, Typing & Clerical |
| | | | | | |
| UG | * | | 3 | | Type of Work |
| UG | _** | | 3 | | Work Type Detail |
| UG | 111 | | 3 | HR | Business Travel General |
| UG | 121 | | 3 | HR | Business Travel Project Management |
| UG | 131 | | 3 | HR | Business Travel Eng./Design/Drafting |
| UG | 141 | | 3 | HR | Business Travel Construction |
| UG | 151 | | 3 | HR | Business Travel Inspection & Expediting |
| UG | 161 | | 3 | HR | Assignments Travel to/from Assignment |
| UG | 162 | | 3 | HR | Assignments Hotels,Meals Etc. |
| UG | 163 | | 3 | HR | Assignments Weekend/Daily Travel |
| UG | 164 | | 3 | HR | Assignments Home Leave |
| UG | 165 | | 3 | HR | Assignments Living Allowance & Car Rent |
| UG | 166 | | 3 | HR | Assignments Settling-in & Furn.Allowance |
| UG | 168 | | 3 | HR | Assignments Schooling |
| UG | 169 | | 3 | HR | Assignments Tax Differential |
| UG | 180 | | 3 | HR | Representation |
| UG | 190 | | 3 | HR | Meals, Overtime-H.O.Personnel |
| UG | 211 | | 3 | HR | Reproduction Xerox In-House |
| UG | 212 | | 3 | HR | Reproduction Other Printing In-House |
| UG | 213 | | 3 | HR | Reproduction Microfilming In-House |
| UG | 220 | | 3 | HR | Reproduction Out-House |
| UG | 311 | | 3 | HR | Telex |
| UG | 312 | | 3 | HR | Telephone |
| UG | 313 | | 3 | HR | Cables,Postage Etc. |
| UG | 314 | | 3 | HR | Air Freight |
| UG | 315 | | 3 | HR | Telefax |
| UG | 316 | | 3 | HR | Courier Services |
| UG | 317 | | 3 | HR | Video Conference |
| UG | 411 | | 3 | HR | Office Suppliess |
| UG | 500 | | 3 | HR | Model Shop & Model Supplies |
| UG | 611 | | 3 | HR | Info.Processing Estimating |
| UG | 612 | | 3 | HR | Info.Processing Material Control |
| UG | 613 | | 3 | HR | Info.Processing Cost Control |
| UG | 614 | | 3 | HR | Info.Processing Planning & Scheduling |
| UG | 615 | | 3 | HR | Info.Processing Eng.Administration |