�1���
�Introduction������
�2��� �References�
�3��� �Installation of infrastructure and/or optical fibre cables inside
sewer ducts��
������ �3.1��� �Sewer assessment��
������ �3.2��� �Installation in
non-man-accessible sewers���
������ �3.3��� �Installation in
man-accessible sewers����������
������ �3.4��� �Installation of
special armoured optical cable into the sewer ducts���
�4��� �Application of over-length
storage boxes and sewer splice closures�����������
�5��� �Connection between sewer
manholes and telecommunication manholes�����
������ �5.1��� �Connections between
sewer optical cables and traditional cables����
�6��� �Guidelines for the selection of
the most appropriate installation method������
�7��� �Maintenance effects���������
������ �7.1��� �Sewer integrity�������
������ �7.2��� �Pressure washing and
finishing brush�����������
������ �7.3��� �Root saws�
������ �7.4��� �Slip lining
�8��� �General guidelines for the
installation of self-supporting optical cable into the sewer ducts��
�9��� �Safety�
Appendix I � Italian experience��� �
������ �I.1��� ��� General design of
the optical cable
������ �I.2��� ��� Description of
optical cable structure��������
������ �I.3��� ��� Main performance of
the optical cable������
������ �I.4��� ��� Others
characteristics of the optical cable�
Appendix II � Chinese experience��� �
����� �II.1��� �General design of the
optical cable��
����� �II.2��� �Description of optical
cable structure����������
����� �II.3��� �Main performance of
the optical cable��������
����� �II.4��� �Other characteristics
of the optical cable�����
Bibliography��� �