Research Article
Timber Portal Frames vs Timber Truss-Based Systems for Residential Buildings
| | | Preerection/delivery labour (hours) | Column (hours) | Erection (hours) | Total hours |
| | Case A truss | 18.5 | 3.0 | 29.50 | 51.00 | | Case A portal | 18.5 | 3.0 | 20.00 | 41.50 | | Case B truss | 16.5 | 3.0 | 29.50 | 49.00 | | Case B portal | 17.0 | 3.0 | 20.00 | 40.00 | | Case C truss | 10.5 | 3.0 | 29.50 | 43.00 | | Case C portal | 17.0 | 3.0 | 20.00 | 40.00 |
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