Smartel

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MICRODITCH TECHNIQUE

The microditch technique is a new and advantageous building technique for channelling optical cables in city areas.

This technique consists of opening a very small ditch which is dug quickly and economically on tarmac or concrete, in which one or several microditchs are placed.

The fibre is channelled in these microditchs and some microditchs are left redundant for future enlargements or for sharing with other operators.


CONSTRUCTRION PROCESSES

Process

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Urban construction

Interurban construction

Machinery


TYPE SECTION

COMBINATION OF TECHNIQUES

The type section consists of 3 micro conduits with a depth of 20 cm and a final distance of 15 cm from the last pipe installed to the surface so as to prevent damage during possible asphalt or maintenance operations.

Smartel has carried out turn key projects combining traditional trenching, posting, telephone ducting and micro trench techniques.

In the type section the construction features are depicted.


COMPARISON: TRADITIONAL DITCH VS. MICRODITCH

  Project under execution in town - 22,730 metres.


  Traditional ditch
(40 cm x 60 cm)
Microditch
(1,5 cm x 15 cm)
Completion time:
4 times faster
26 months
(40 m / day)
6 months
(200 m/day)
Price:
3 times more economical
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Public roadway occupation
27 times less occupation
9.092 m2 340,95 m2
Rubble production
121 times less rubble
6.182 m3 51 m3

ADVANTAJES

  Enable the traditional obstacles encountered in this type of deployment to be reduced to the minimum:

  • Minimal occupation of public roadways.
  • Speed of installation.
  • Resistance and reliability.
  • Swift repair.
  • Path flexibility.

  Reduced cost because:


  • These are “mini” techniques.
  • Speed of installation.
  • Subsequent fibre deployment on demand.
  • Possibility of sharing and selling to other operators.
  • It reduces the initial investment.