1. Torino, 30-31 March 1998 ANCIT WORKSHOP Telecom Italia experience with the use of NO-DIG techniques Renato Polidoro Giovanni Ciochetto

2. Torino, 30-31 March 1998 ANCIT WORKSHOP Telecom Italia requirements reduction of environmental impact reduction of social and indirect costs use of new technologies improvement of possibility of obtaining permits

3. Torino, 30-31 March 1998 ANCIT WORKSHOP Techniques used for the installation of new pipes directional drilling directional rock drilling rod pusher microtunnelling impact moling

4. Torino, 30-31 March 1998 ANCIT WORKSHOP Evolution of the application of no-dig techniques (I) YESTERDAY CROSSINGS Works impossible to perform with traditional digging techniques

5. Torino, 30-31 March 1998 ANCIT WORKSHOP Fields of application (1990-1993) Urban works (3%) Crossings (82%) Non urban long. works (15%)

6. Torino, 30-31 March 1998 ANCIT WORKSHOP Evolution of the application of no-dig techniques (II) TODAY LONGITUDINAL LONGITUDINALWORKS consolidation of technical know-how - consolidation of technical know-how performance improvement - performance improvement cost reduction (equal to traditional - cost reduction (equal to traditional digging costs) digging costs) URBAN WORKS URBAN WORKS (broadband network) - small machines - no drilling mud - starting point in manholes/chambers DIRECTIONAL ROCK DRILLING DIRECTIONAL ROCK DRILLING

7. Torino, 30-31 March 1998 ANCIT WORKSHOP Fields of application (1994-1997) Urban works (19%) Crossings (7%) Longitudinal works (74%)

8. Torino, 30-31 March 1998 ANCIT WORKSHOP Total drilling lengths (km) 250 200 150 100 50 0 ‘97‘96‘95‘94‘93‘90-’92

9. Torino, 30-31 March 1998 ANCIT WORKSHOP Data-base NO-DIG Data-base NO-DIG data from the field - Questionnaire - - performance - ground nature - obstacles/critical points - drilling diameter

10. Torino, 30-31 March 1998 ANCIT WORKSHOP Ground Penetrating Radar Improvement in detection of buried utilities Automated output of utilities map Ground nature investigation RIS System

11. Torino, 30-31 March 1998 ANCIT WORKSHOP International cooperation ITU-T (International Telecommunication Union) SG6 - Outside plant Question 12/6 Trenchless techniques for the construction of underground infrastructures for telecommunication cables installation

12. Torino, 30-31 March 1998 ANCIT WORKSHOP Conclusion (I) - regular use of no-dig techniques for crossings and longitudinal works - development of no dig techniques for urban environment and rock drilling - development of new GPR system - implementation of a data-base relevant to no-dig works - international cooperation (IATT, ITU-T, EURESCOM)

13. Torino, 30-31 March 1998 ANCIT WORKSHOP Conclusion (II) - promotion of the use of innovative technologies by contractor - stimulus for manufacturers (drilling machines and GPR equipment) - promotion of no-dig techniques among public authorities and public opinion as a means of reducing environmental and social impact