Cost Summary
Table 1 Estimated costs as a ratio to the costs of a Teletest® inspection per metre of 12inch diameter pipe [1]
| No access problem | Insulated | Buried | Buried in road crossing | Buried and insulated | Elevated | Elevated and insulated | |
|---|---|---|---|---|---|---|---|
| Visual | 0.5 | 4.7 | 7.8 | 13.0 | 10.3 | 1.8 | 5.2 |
| Manual UT | 0.9 | 5.1 | 8.2 | 13.1 | 10.6 | 22 | 5.5 |
| Mechanised UT | 7.2 | 11.4 | 13 | 17.9 | 15.1 | 7.9 | 10.7 |
| Profile Radiography | 4.7 | 4.7 | 11.1 | 16.0 | 10.3 | 5.6 | 5.2 |
| Pulsed Eddy Current | 5.5 | 5.5 | 11.7 | 16.4 | 10.9 | 6.4 | 5.8 |
| MFL | 5.5 | 10.2 | 12.1 | 16.6 | 13.9 | 6.4 | 9.3 |
| Teletest® | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
[1] Anon, 'BMI Building Maintenance Price Book', Royal Institute of Chartered Surveys Building, Cost Services Ltd, London, 2003.