Contract notice Bridge Design ServicesEngineering services Object and structural planning BW20 double track railway bridge of route 4930 near Backnang for the expansion of the B14Description The existing railway bridge of the double track and electrified railway line 4930 Waiblingen Schw bisch Hall Hessental at km 17 771 must be replaced due to the expansion of the B14 In the planning approval the new bridge is identified as BW 20 An area of around 67 m must be bridged The parallel railway bridge BW21 of the railway line 4931 Backnang Kornwestheim is not part of this planning order This bridge is already being planned and will be created beforehand A reinforced concrete prestressed concrete bridge pre stressed superstructure truss inclined frame is provided with border paths and cable routes on both sides There is a deep foundation on the west side and a shallow foundation on rock on the east side Trench sheeting with freeboard up to 10 m is necessary for the construction From the creation of the BW21 there will be shoring that must be integrated Cable ducts probably size 3 must be provided on both sides The derailment protection must be housed in the construction of the bridge The route is operated in mixed operation including heavy goods traffic All calculations choice of materials construction methods in the construction and final condition must be drawn up according to the rules of the DB so that only for the switches and derailment protection UiG ZiE are required Due to the large span of the new bridge the existing switch 3 will in future lie on the new bridge and must therefore be renewed as part of the measure The switch 4 in the connection area must also be replaced A track geometrical project must be created for both switches Turnout sketches are to be created that serve as the basis for the turnout order The rescheduling of the overhead line is assigned separately However 4 locations for masts of the overhead line according to the planning of overhead line must be structurally integrated on the bridge Securing the OLA masts or adapting them to the bridge structure is part of the bridge planning The excavation pit in the railway embankment for the insertion of the abutment requires securing the railway embankment of route 4931 in the immediate vicinity The procedure must be planned so that the traffic on this route is not impeded or hindered A CSM procedure must be carried out in the design planning The road planning of the B14 is not part of the planning task However the planning must be coordinated The measure is classified according to the EkrG in 12 2 Two fictitious drafts and a real draft with the cost divider are required as part of the draft planning A preliminary benefit equalization is to be calculated on the basis of the cost calculation The documents for the railroad crossing agreement are to be drawn up the railroad crossing agreement is commissioned separately by the AG The timing of the measure is currently as follows Start planning November 2020 Query of the requirements of the DB based on the first planning documents by the end of 2020 Initiate UIG by the end of March 2021 Completion of the draft by the end of August 2021 Approval planning by DB and BMVI by the end of December 2021 Preparation of the building tender from January 2022 Publication of building tender by the end of March 2022 Contract awarded at the end of March 2023 implementation planning testing approval Start of construction in early January 2024 Creation of a new bridge parallel to the inventory Closed for 14 weeks summer vacation 2025 demolition of old bridge advance lift obstructions full excavation insert new bridge production of railway embankment equipment factories tracks switches cabling etc Installation residual filling dismantling construction site Restoration environment completion of construction work in spring 2026 Completion of the project completion of billing documentation etc by the end of 2026 The consideration of building variants is expressly desired The planned break is registered and therefore fixed Time limit for receipt of tenders or requests to participate Date 28 07 2020 Local time 10 00 Disclaimer The above text is machine translated For accurate information kindly refer the original document
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