1. See sections 2.2.3 and 5.3.2.
2. also refer to: Picot, 1991.
3. Classical construction here refers to site based construction operations excluding pre-fabricated components, which is, however, on the increase to overcome just this problem. The key to successful pre-fabrication is flexibility of components and fabrication methods, to ensure widest possible application and acceptance without excessive amendments.
4. Herdt, 2000.
5. Cox and Townsend, 1998, p. 227.