Knínice, Motorway D08 -project 0807/II, Border bridge - earthworks

In the municipality Krásný les, a new bridge has built with a length of 432 metres which will connect Czech and German territories.


Location: Knínice, municipality Krásný les
Investor: Directorate of Roads and Motorways of CzR
Realization: HOCHTIEF CZ a. s., Traffic Infrastructure Division
Type: New bridge
Construction time: 03/2005 - 10/2006
Main indicators: 10 000 cu.m topsoil removal
70 000 cu.m excavations
4 500 sq.m surfaces and roads paved with precast slabs
2 000 sq.m asphalt surfaces and roads
20 000 cu.m backfill
Description: The project includes all earthworks within the scope of site preparation both on the Czech and the German side of the bridge, temporary concrete slab and asphalt roads and surfaces, fencing of roads on German territory, excavations for the bridge abutments and pillars, temporary dewatering and final backfills and removal of roads and surfaces.

In the course of the works, due to the hardness of the rock it was necessary to reclassify it to class TR III and the soil had to be broken up with a CAT 10 dozer and subsequently blasted. Up to the present, 30 000 cu.m have been excavated in this way, of the total of 50 000 cu.m of soil.