The subject of the contract is the execution of construction works for the task entitled: "Modernization of the track together with the overhead contact line and accompanying infrastructure at the Chebzie loop in Ruda Śląska – stage II as part of the task entitled: "Replacement of 4 pcs. turnouts at the Chebzie tram terminus in Ruda Śląska" – task No. 8.7, as part of the implementation of the Project entitled: "Integrated Project of modernization and development of tram infrastructure in the Silesian - Zagłębie Agglomeration along with the purchase of tram rolling stock - stage I" co-financed by the European Union from the Cohesion Fund under the Operational Program Infrastructure and Environment in the EU perspective 2014-2020.

1. The subject of the contract is the execution of construction works for the task entitled: "Modernization of the track together with the overhead contact line and accompanying infrastructure at the Chebzie loop in Ruda Śląska – stage II as part of the task entitled: "Replacement of 4 pcs. turnouts at the Chebzie tram terminus in Ruda Śląska" – task No. 8.7, as part of the implementation of the Project entitled: "Integrated Project of modernization and development of tram infrastructure in the Silesian - Zagłębie Agglomeration along with the purchase of tram rolling stock - stage I" co-financed by the European Union from the Cohesion Fund under the Operational Program Infrastructure and Environment in the EU perspective 2014-2020.

2. General characteristics of the works:

1) Development and implementation of temporary traffic organization,

2) Demolition works, i.e.:

-demolition of the track surface along with the substructure,

-removal and storage of debris from the demolition area with disposal,

-dismantling of the existing overhead contact line,

-dismantling of the supporting structures of the overhead contact line,

-segregation of materials from demolition (rails, sleepers, road materials, segregation of overhead contact line elements – separation of equipment from the dismantled contact wire and carrier rope),

-transport of materials from demolition,

- transport of steel scrap (from the entire range) and non-ferrous scrap to Region No. 4 with its registered office in Gliwice at 150 Chorzowska Street,

-securing or reconstruction of collisions with underground infrastructure.

Reconstruction of the track system, i.e.: execution of a tram loop of approx. 1350 mtp, located in Chebzie in Ruda Śląska, including:

-reconstruction of tram tracks from 59R2 or 60R2 type rails with a gauge of 1435 mm using ballast and ballast-free technology,

-reconstruction of track and road crossings using ballast-free technology with a surface made of prefabricated track slabs,

-reconstruction of pedestrian crossings using ballast-free technology with a surface made of prefabricated track slabs,

-installation of the rail lubrication system (the exact location should be agreed with the Ordering Party immediately before assembly),

-turnout construction,

-construction of inter-track and intertrack connections,

-reconstruction of the tram crossing across the road,

-reconstruction of the roadway resulting from the reconstruction of the tram track,

-reconstruction of traffic lights, taking into account the priority of passage for trams and restoration of existing traffic light control elements,

-reconstruction and construction of sidewalks,

- reconstruction of tram stop platforms along with the construction of bus shelters,

- construction of a bicycle path with the construction of a bicycle shelter,

-reconstruction or reconstruction of existing elements of tram infrastructure (ŚKUP machine, SDIP boards, etc.)

-execution of a technological road for technical maintenance of devices,

-installation of media belts with infrastructure for the disabled,

-installation of traffic safety devices m.in. sectional fences, balustrades,

-Construction of retaining structures,

-reconstruction of the overhead contact line,

-reconstruction of power, return and control cables,

-installation of disconnectors,

-reconstruction of the loop area lighting,

-reconstruction and construction of track drainage along with the construction of a pumping station and connection to the existing rainwater sewage system,

-reconstruction or securing of conflicting utilities networks,

-felling conflicting trees and shrubs to the extent necessary,

-bringing the adjacent area to a proper condition, after the completion of works.

-introduction of temporary and target traffic organization,

-execution of as-built geodetic inventories along with marking in urban resources,

-grinding of rails after completion of track assembly works in accordance with the requirements of PKP instructions (ID 104 and ID 105).