Construction Man-hour Norms
| Description | Tasks | Unit | Tradesman Hours | Labourer Hours |
| Stairs, Balustrades and Ladders | ||||
| Ladder, 450mm wide, fully welded steel and shop primed | tonne | 100.00 | ||
| Staircase, steel framed, including treads and shop treatment | tonne | 60.00 | ||
| Balustrade, steel, 900mm high, balusters at 150mm centres | tonne | 140.00 |