Bridge Construction

 

In the field of prestressed concrete (PC) bridges, I have led the construction of a cable-stayed bridge, 6 incrementally launched bridges, many precast beam bridges, 3.5km of bridges cast span-by-span on advancing shoring, 4.9km of bridges cast span-by-span with movable scaffolding systems (MSS), 24.8km of high-speed railway bridges, and 2 arches cast on falsework; I have also led the structural retrofitting of a cable-stayed bridge. In the field of steel-composite bridges, I have led the construction of 3 incrementally launched bridges and 5.0km of bridges erected with ground cranes and other methods.

  • Pizzarotti (2004-2005). Modena Bridges, TAV High Speed Railway, Modena, Italy. Two 136m single-track PC bridges cast span-by-span with an MSS. Owner: TAV. Procurement method: D/B. As freelance consultant, my duties included writing method statements for the span casting process, writing performance requirements and technical specifications for the lease of a 105m, 900t twin-girder overhead MSS, performing load testing of the MSS on completion of site commissioning, and providing on-site assistance during span construction and recovery of a critical operation error.
  • Pizzarotti (2003-2004). Modena Bridges, TAV High Speed Railway, Modena, Italy. Five 136m single-track PC bridges cast span-by-span with an MSS. Owner: TAV. Procurement method: D/B. As freelance consultant, my duties included writing method statements for the span casting process, writing performance requirements and technical specifications for the lease of a 113m, 1500t twin-truss overhead MSS, performing load testing of the MSS on completion of site commissioning, and providing on-site assistance throughout span construction.
  • Sembenelli Consulting (2003). Reggiolo Overpass, Reggio Emilia, Italy. A skewed 26m multi-cellular PC span with width ranging from 17m to 24m was designed to be cast behind the abutment and launched over an electrified railroad. Owner: Autostrada del Brennero. Procurement method: DBB. As freelance consultant, my duties included providing on-site assistance during span construction and launching.
  • Pizzarotti (2001). Modena Bridges, TAV High Speed Railway, Modena, Italy. Two 136m single-track PC bridges cast span-by-span on piled advancing shoring. Owner: TAV. Procurement method: D/B. As freelance consultant, my duties included writing method statements for the span casting process and providing on-site assistance throughout construction.
  • Pizzarotti (2000-2002). Modena Bridges, TAV High Speed Railway, Modena, Italy. This assignment included technical and technological assistance to the bridge contractor for precasting, transporting and positioning 755 high-speed railway spans in 30 months (total bridge length 24.8km). Owner: TAV. Procurement method: D/B. As freelance consultant, my duties included writing method statements for the entire construction process: cage prefabrication for drilled shafts, footings, hollow piers, pier-caps and precast spans; span cage transfer, span casting, span transportation to storage platform, staged application of post-tensioning, application of permanent bearings, span finishing, final span transportation and delivery, final adjustment of support reactions, and embedding of bearings. My duties also included long-term assistance to the span precasting facility.
  • Codelfa (1999-2000). Tiziano Bridge, Alessandria, Italy. This 17m-wide, 200m PC bridge was built by incrementally launching a first 8m-wide box girder, side shifting this first half of the deck by 9m over permanent piers and abutments, launching the second half of the deck, and connecting the two box girders with a cast-in-place central curb. Owner: Comune di Alessandria. Procurement method: D/B. As freelance consultant, my duties included providing technical assistance to the construction site throughout bridge construction.
  • Delma (1998). Structural retrofit of the Wadi El-Kouf Bridge, Al-Beida, Libya. A 520m cable-stayed PC bridge designed by Morandi in the sixties required torsional stiffening, integrative post-tensioning, bearing replacement for the central closure span, and diffused localized repairs. Owner: Libyan Arab Jamahiriya’s Road Department. Procurement method: DBB. As freelance consultant, my duties included writing method statements for materials and construction procedures and leading critical phases of structural retrofit on-site.
  • Delma (1998). Structural retrofit of the Wadi El-Nagah Bridge, Derna, Libya. This project included the reconstruction of abutment and end span of a 120m precast beam bridge eroded by a flood. Owner: Libyan Arab Jamahiriya’s Road Department. Procurement method: DBB. As freelance consultant, my duties included writing method statements for materials and construction procedures and leading critical phases of bridge reconstruction on-site.
  • Bonatti-Kirchner JV (1995-1997). Schrotetal Bridge, Madgeburg, Germany. This project included two 0.5km steel-composite bridges built by incrementally launching steel U-girders from the opposite abutments and lifting the central closure into position with strand-jacks. Owner: DEGES. Procurement method: D/B. As project manager, my duties included bidding, coordination of pre- and post-award design, project management throughout construction, and managing contracts and claims.
  • Bonatti (1993-1997). Palizzi Bridges, Milan, Italy. This project included two adjacent 95m three-span PC bridges built by incremental launching over six electrified railroads. Owner: Metropolitana Milanese. Procurement method: D/B. As project manager, my duties included bidding, coordination of pre- and post-award design, project management throughout construction, and managing contracts and claims.
  • Bonatti (1993-1997). Palizzi Cable-Stayed Light-Rail Transit (LRT) Bridge, Milan, Italy. This project included a 160m, dual-track cable-stayed LRT bridge built by incremental launching over six electrified railroads. Owner: Metropolitana Milanese. Procurement method: D/B. As project manager, my duties included bidding, coordination of pre- and post-award design, project management throughout construction, and managing contracts and claims.
  • Bonatti (1992-1997). Bergamo Road Interchange, Seriate, Italy. This project included a 0.8km incrementally launched PC bridge, seven 3-span PC overpasses cast on advancing shoring, and a 7-lane box tunnel cast alongside Highway A4 and jacked into the embankment. Owner: ANAS. Procurement method: D/B. As project manager, my duties included bidding, coordination of pre- and post-award design, project management throughout construction, and managing contracts and claims.
  • CoLaCi JV (1990-1997). Retrofitting of Highway A15, Fornovo, Italy. This project included 2.1km of steel-composite bridges erected with ground cranes and 1.5km of PC bridges cast span-by-span with an underslung MSS. Owner: Autocisa. Procurement method: D/B. As member of the JV’s board, my duties included bidding, coordination of pre- and post-award design, project management throughout construction, and managing contracts and claims.
  • RiFeNord JV (1990-1997). Quadruplication of Milan North Railway, Milan, Italy. This project included four 3-span PC railway crossings and 0.5km of PC slabs cast between diaphragms to cover two railroads in service. Owner: Ferrovie Nord Milano. Procurement method: D/B. As member of the JV’s board, my duties included bidding, coordination of pre- and post-award design, project management throughout construction, and managing contracts and claims.
  • Bonatti (1990-1995). Avellino Road Interchange, Avellino, Italy. This project included a 0.4km cut-and-cover tunnel built with anchored diaphragms and precast PC slab panels and 0.3km of precast beam bridges. Owner: Comune di Avellino. Procurement method: D/B. As project manager, my duties included bidding, coordination of pre- and post-award design, project management throughout construction, and managing contracts and claims.
  • Fondovalle JV (1990-1994). Retrofitting of State Roads 308 and 523, Borgotaro, Italy. This project included 0.5km of steel-composite bridges erected with ground cranes, 0.3km of precast beam bridges, and 1.1km of drill-and-blast tunnels. Owner: ANAS. Procurement method: D/B. As member of the JV’s board, my duties included bidding, coordination of pre- and post-award design, project management throughout construction, and managing contracts and claims.
  • Bonatti (1990-1992). Taro 2 and Taro 3 Bridges for Retrofitting of Highway A15, Solignano, Italy. This project included 0.5km of steel-composite bridges erected with ground cranes. Owner: Autocisa. Procurement method: D/B. As project manager, my duties included bidding, coordination of pre- and post-award design, project management throughout construction, and managing contracts and claims.
  • Cogefar (1987-1990). Reconstruction Project, Lot C, Naples, Italy. This project included 0.8km of PC bridges cast span-by-span on advancing shoring and 1.8km of PC bridges cast span-by-span with a 110m, 900t overhead MSS. Owner: Commissariato Straordinario di Governo. Procurement method: D/B. As site project manager, my duties included coordination of pre- and post-award design and managing the project site throughout construction.
  • Cogefar (1987-1990). Reconstruction Project, Lot E, Naples, Italy. This project included 1.9km of steel-composite bridges erected with ground cranes, a 420m steel-composite bridge built by incremental launching on 110m spans, 0.5km of PC bridges cast span-by-span on advancing shoring, and 0.6km of PC bridges cast span-by-span with the MSS of the adjacent Lot C. Owner: Commissariato Straordinario di Governo. Procurement method: D/B. As site project manager, my duties included coordination of pre- and post-award design and managing the project site throughout construction.
  • Cogefar (1985-1987). Lot C of State Road 36, Dervio, Italy. This project included two PC arches cast on 40m-tall falsework (more than 30km of steel tubes and 25.000 joints) to protect bridges and tunnel inlets from falling boulders. Owner: ANAS. Procurement method: DBB. As site project manager, my duties included managing the project site throughout construction.
  • Cogefar (1982-1987). State Road 36, Lecco, Italy. My first bridge construction project included 1.4km of multi-span PC bridges cast on advancing shoring and two 2.6km tunnels excavated with TBM and drill-and-blast widening. Owner: ANAS. Procurement method: DBB. As site project manager, my duties included managing the project site throughout construction.
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