Modernization of the track section Prague Běchovice - Úvaly - ZL No. 10, 12, 21, 24, 25, 26, 31, 32 and 34
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Contract Description
The subject of the contract is the execution of additional construction works, the need for which arose as a result of circumstances that the contracting authority, acting with due care, could not foresee, and these additional construction works are necessary for the execution of the original construction works. The subject of the contract is the execution of additional works on twenty-four construction objects (SO) and two operational ensembles (PS), related in particular to the change of the foundation of the underpass (SO 2203) due to the newly discovered geotechnical conditions, the removal of the remains of concrete structures of unknown origin and their disposal, the placement of a functional 6 kV cable due to the construction modifications in the basement of TM Běchovice (SO 6405), the maintenance of operations of a temporary security device by laying a new cable 24 p1 from container U1 to the existing entrance signals behind the Škvorecká bridge (PS 0111), with the demolition of the existing brick fence at TM Běchovice (emergency condition) and its replacement with steel posts with mesh (SO 4411.1), clarification of the project documentation for objects of anti-noise walls (9 SO), with a geotechnical recommendation for removal of the unsatisfactory state of the plain of the earth body by limestone stabilization in track no. 2 and 4 (SO 1102), with the extension of the earthing network (SO 0444), so that the measured values correspond to ČSN standards, with the removal of TV in places of bridges (10 SO), with the suspension of the existing cable route (it collides with the construction work on the bridge ledge 3 SO) on a temporary cable bridge (PS 0111) and, last but not least, with a reduced number of exclusions for turning off the track security equipment due to the start of the implementation of the neighboring construction "Extension of the underpass and provision of barrier-free access to the platform in ŽST Český Brod". Place of performance: Praha Contract type: Stavební práce