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Telecom Italia experience with the use of NO-DIG techniques

Telecom Italia experience with the use of NO-DIG techniques. Renato Polidoro Giovanni Ciochetto. Telecom Italia requirements. reduction of environmental impact reduction of social and indirect costs use of new technologies improvement of possibility of obtaining permits.

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Telecom Italia experience with the use of NO-DIG techniques

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  1. Telecom Italia experience with the use of NO-DIG techniques Renato Polidoro Giovanni Ciochetto

  2. Telecom Italia requirements • reduction of environmental impact • reduction of social and indirect costs • use of new technologies • improvement of possibility of obtaining permits

  3. Techniques used for the installation of new pipes • directional drilling • directional rock drilling • rod pusher • microtunnelling • impact moling

  4. Evolution of the application of no-dig techniques (I) YESTERDAY Works impossible to perform with traditional digging techniques CROSSINGS

  5. Fields of application (1990-1993) Urban works (3%) Non urban long. works (15%) Crossings (82%)

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

  7. Fields of application (1994-1997) Crossings (7%) Urban works (19%) Longitudinal works (74%)

  8. Total drilling lengths (km) 250 200 150 100 50 0 ‘90-’92 ‘93 ‘94 ‘95 ‘96 ‘97

  9. Data-base NO-DIG data from the field - Questionnaire - - performance - ground nature - obstacles/critical points - drilling diameter

  10. Ground Penetrating Radar Improvement in detection of buried utilities Automated output of utilities map Ground nature investigation RIS System

  11. 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. 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. 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

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