Professional bridge installation

Scope of construction undertaken by OVM includes several aspects as below:

(1)Large span steel strand cable-stayed bridge:




a.    Design consultation of strand cables
b.    Fabrication and installation of the steel strand cables
c.    Monitoring and adjustment of force of the strand cable;
d.    Repair and maintenance of strand cables;
e.    Design, fabrication and application of the deck erection crane and hanging basket of the cable-stayed bridge;
f.     Main beam section lifting of the cable-stayed bridge (assemble);
g.    Lease of special tools and equipment for stayed cables of the cable-stayed bridge;

(2) Extra-dosed cable-stayed bridge engineering




a.    Design consultation of the extra-dosed cable-stayed bridge;
b.    Fabrication and installation of stayed cable of the extra-dosed cable-stayed bridge;
c.    Monitoring and adjustment of stayed cable of the extra-dosed cable-stayed bridge;
d.    Repair and maintenance of stayed cable of the extra-dosed cable-stayed bridge;
e.    Design, fabrication and application of the hanging basket of the extra-dosed cable-stayed bridge;
f.     Lease of special tools and equipment for stayed cables of the extra-dosed cable-stayed bridge;

(3) Parallel wire cable-stayed bridge engineering




a.    Design consultation of stayed cable of steel wires;
b.    Fabrication and installation of the stayed cable of steel wires;
c.    Monitoring and adjustment of the stayed cable of steel wires;
d.    Repair and maintenance of the stayed cable of steel wires;
e.    Design, fabrication and application of the deck erection crane and hanging basket of the steel wire cable-stayed bridge;
f.     Main beam section lifting of the steel wire cable-stayed bridge (assemble);
g.    Lease of special tools and equipment for stayed cables of the steel wire cable-stayed bridge;

(4)  suspension bridge engineering




a.    Design consultation of anchor prestressed cable, main cable and sling of the suspension bridge;
b.    Construction and installation of the anchor prestressed cable of the suspension bridge;
c.    Fabrication and installation of the suspension system;
d.    Installation of the main cable saddle, main rope clip and sling of the suspension bridge;
e.    Design, fabrication and application of the cable crane and construction of segmental lifting of steel tied girder of the suspension bridge;
f.     Construction of coating protection of the main cable of suspension bridge;
g.   Maintenance and repair of main cable, suspending cable and anchorage prestressed cable of the suspension bridge.

(5) Tied arch bridge engineering




a.   Design consultation of tie bar of the arch bridge and suspender cable of the arch bridge
b.   Fabrication, installation and application of cable lifting system, fastening stay during the construction without supports;
c.    Installation, tensioning and adjustment of the tied cable and sling;
d.    Lifting of arch rib and beam of the tied arch bridge;
e.    Lifting of bridge deck tied beam of the tied arch bridge;
f.     Maintenance and repair of the tied arch bridge.

(6) Prestressed bridge engineering




a.    Detailed design for the post-tensioned prestressing system of bridge;
b.    Installation, monitoring and maintenance for the post-tensioned prestressing system of bridge.