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BRIDGES & VIADUCTS
Viaducts on the
Messina - Palermo Motorway –
Sicily, Italy
Client:
Consorzio Autostrade Siciliane
Services: Final
design, Environmental Impact Assessment, Tender Documents and
Construction Supervision
Period: 11/1993-
12/1998
Construction cost: Original
-
€ 38,680,000
Final
- €39,420,000
The Project:
Technital was awarded the contract for the
design and works supervision of the entire Messina-Palermo
motorway (181.6 km) .
The 13.8 km motorway section between Caronia and Castelbuono (including long span viaducts, dual
carriageway tunnels, interchanges and connections to the local
road network) consists of 52% artificial and natural tunnels,
25% bridges and viaducts and 23% normal road.
The Construction Supervision is carried out in accordance with
the relevant Italian Code that is based on the FIDIC rules and
regulations (Red Book), with TECHNITAL assuming the role of
the “Engineer” and its Resident Engineers that of “Engineer’s
Representative”.
Two of the major structures are the Buzza and Fontanzza
viaducts.
The
Buzza Viaduct
is composed of
two parallel 1101.40 m long bridges with 12 spans of 100m
each.
The deck structure is composed of prefabricated post-tensioned
segments.
Piers vary in height from 6.0 m to 60.0 m.
The foundation shafts for the 26
piers have diameters varying from 8.5 to 12.5 m and a maximum
depth of 40 m.
The
Fontanazza Viaduct
is composed of
two parallel 601.40 m long bridges, with 7 spans each (5 of
100 m and 2 of 50.7 m)
The deck structure is composed of prefabricated post-tensioned
segments.
Piers vary in height from 6.0 m to 26.5 m.
The foundation shafts for the 16 piers have diameters varying
from 8.5 to 10.5 m and a maximum depth of 26 m.
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