Poland – Construction work for bridges and tunnels, shafts and subways – Remont mostu przez ciek bez nazwy w m. Karczmiska, w ciągu drogi wojewódzkiej nr 824 km 34+588

Repair of the unnamed stream bridge in Karczmiska, on the Voivodeship Road No. 824 at km 34+588

CPV Code: 45221000-2 Construction work for the construction of bridges and tunnels, shafts and underground railways; 45233000-9 Construction work for the construction, foundation and surfacing of motorways, roads; 45111000-8 Demolition and earthmoving work; 45112000-5 Excavation work;

1. Scope of work includes:

a) survey work

b) demolition work:

- dismantling protective barriers,

- dismantling the road surface and insulation on the bridge,

- dismantling the road body within the structure,

- milling the surface on the approaches to the structure,

- dismantling the concrete levelling layer,

- dismantling the support plates of the deck,

- dismantling the abutment wings,

- dismantling the reinforcement of the cones,

- dismantling the sidewalk and curb construction,

- removing contaminants and cutting corroded concrete on the surfaces of the load-bearing structure,

- dismantling the reinforcement of the slope drains and working stairs.

c) earthworks

d) repair work on the structure:

- repair of wings and abutments,

- repair of surface damage to the bridge supports together with reprofiling with repair mortars and protection of concrete surfaces with protective coatings: execution of surface-insulating layers of synthetic resin caps, protective coatings based on cement on the remaining concrete surfaces, additionally protect the steel elements of the protective system with a painting system,

- protection with light insulation of concrete surfaces in contact with the ground,

- execution of transition plates indirectly supported on concrete columns,

- execution of an overlay of composite concrete with the existing plate of the load-bearing structure and reinforcement of the steel girders by welding steel plates,

- execution of the support plates of the deck,

- execution of the anti-water insulation of the load-bearing structure,

- execution of bituminous dilations,

- execution of the drainage elements of the deck of the load-bearing structure,

- execution of cornice caps,

- installation of curbs on the approaches and the structure,

- installation of protective barriers on the structure and approaches,

- execution of measurement points,

- repair of the slope drains near the structure,

- execution of technological slope stairs near the structure together with the balustrade,

- repair of the cones near the structure together with the reinforcement,

- execution of the surface layers on the structure,

- restoration of horizontal marking on the structure and approaches.

e) road works:

- execution of surface layers on the approaches,

- repair of existing sidewalks in front of and behind the structure,

- completion of slopes,

- humus and seeding of slopes,

f) hydrotechnical works:

- cleaning of the stream bed of contaminants,

- restoration of the stream slopes.