SA Construction Group Company carries out surveys, collects initial data, develops the project, estimates, coordinates its design decisions with the customer, nature protection and other authorities, carries out designer supervision of construction works. The completion of the project is followed by an independent examination of the project.
The entire period of construction of the bridge is divided into:
- preparatory period — construction of temporary roads, development of construction site, import of equipment and assembly structures;
- main period of construction — erection of supports, span structures, interfaces with accesses, construction of the deck of the bridge;
- final period — eradication of the construction site, restoration of the territory, testing of the bridge.
Bridge structures on materials, systems, construction and methods of erection are divided into:
- reinforced concrete precast;
- reinforced concrete monolithic;
- reinforced concrete precast-monolithic;
- composite reinforced concrete with precast or monolithic reinforced concrete slab of the carriageway;
- steel welded continuous with an orthotropic slab of the carriageway;
- steel with through spans, with mounting connections on high-strength bolts.
Special category can include hanging, cable-stayed and arched bridges with large spans.
