| psc | description |
| •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• | |
| C111 | Buildings & facilities / administrative & services buildings |
| C112 | Buildings & facilities / airfield, communications & missile facilities |
| C113 | Buildings & facilities / educational buildings |
| C114 | Buildings & facilities / hospital buildings |
| C115 | Buildings & facilities / industrial buildings |
| C116 | Buildings & facilities / residential buildings |
| C117 | Buildings & facilities / warehouse buildings |
| C118 | Buildings & facilities / R&D facilities |
| C119 | Buildings & facilities / other buildings |
| C121 | Non-building / conservation & development |
| C122 | Non-building / highways, roads, streets, bridges & railways |
| C123 | Non-building / electric power generation (EPG) |
| C124 | Non-building / utilities |
| C129 | Non-building / other structures |
| C130 | Restoration |
| C211 | A/E - landscapping, interior layout & designing |
| C212 | A/E - drafting engineering |
| C213 | A/E - inspection services (non construction) |
| C214 | A/E - management engineering |
| C215 | A/E - production engineering (including design & control, building programming) |
| C216 | A/E - marine engineering |
| C219 | Other architect & engineering services |
