Contents

1. Introduction
1.1 System description
1.2 Methodology
1.2.1 Replacement options
1.2.2 Terrain
1.2.3 Assumptions

2. Cost components
2.1 Technical considerations
2.1.1 Calculations
2.1.2 Span length
2.2 Typical components
2.3 Assumptions
2.3.1 General
2.3.2 Overhead conductors
2.3.3 Underground conductors

3. Options
3.1 SWER
3.2 Covered conductor SWER
3.3 Aerial bundled cable
3.4 Overhead lines scenarios
3.5 Underground cable
3.6 Remote area power supplies

4. Summary of options
4.1.1 Hilly terrain
4.1.2 RAPS option comparison

List of tables

Table 1 Conductors (excluding installation)
Table 2 Pole Costs (excluding installation)
Table 3 SWER costs
Table 4 Covered conductor SWER costs
Table 5 Aerial bundled cable costs
Table 6 Overhead lines scenario summary
Table 6 Underground cable summary
Table 7 Remote area power supplies summary
Table 8 Summary of flat terrain options

List of figures

Figure 1.1 Representation of a SWER system