Construction maintenance and minor repairs of bridges and culverts Construction maintenance and minor repairs of bridges and culverts

Construction maintenance and minor repairs of bridges and culverts Construction maintenance and minor repairs of bridges and culverts
The subject of the performance of public contracts awarded in the established DNS will be construction maintenance and minor modifications of bridges and culverts, namely the following scope of work: 1. maintenance of bearings, cleaning of storage sills from mechanical dirt and dust, cleaning of corroded steel parts of bearings according to the reach in a given bearing position, anti-corrosion coating of cleaned parts of bearings, cleaning and preservation of sliding surfaces, cleaning and preservation of elastomeric bearings addition of sub-pouring of bearings straightening of sub-base blocks and abutments NK 2. rehabilitation under the bridge and repairs of drainage NK under the bridge rehabilitation of concrete surfaces of the substructure rehabilitation of the upper surface of the foundations at ground level rehabilitation of the soffit and sides of the load-bearing structure rehabilitation of the vertical parts of the cornice repair of expansion joints repair of drainage outlets through the concrete surface of the bridge substructure plugging of holes after diagnostics removal of graffiti coatings repair of steel drainage gutter of the supporting structure anti-corrosion protection of steel parts on the concrete surface sp. construction and soffit of NK - consoles of NK gutter, consoles of net guards, PKO plates, rails in NK soffit, etc. repairs of longitudinal and vertical drainage pipes, including compensators, repair or installation of drainage pipes from the cavities of supporting structures, repairs of outflow of drainage pipes and drains in NK soffit, repairs of cable protectors 3. repairs in the area of ledges, rehabilitation of the upper surface of concrete ledges, cleaning drainage gutters and rehabilitation of the inner surface of concrete drainage gutters NK repairs of elements of the retention system of the PKO public lighting poles on the bridge repairs of anti-noise walls on the bridge repairs of drains and drainage pipes waterproofing of the bridge deck repairs of the drainage strip along the ledges 4. repairs of expansion joints and roadway repairs and maintenance of bridge joints repairs and maintenance of the roadway (crack repairs, local waterproofing repairs, local repairs abrasive layers) restoration of horizontal road markings 5. repairs of various landscaping (removal of bushes, felling of trees, local replenishment of backfill and embankments, addition of humus and seeding) modifications and repairs of watercourses (cleaning, repair or establishment of reinforcement, repair or establishment of thresholds) modification and repair of pavements and reinforcement (cleaning, repair or establishment of reinforcement, establishment of borders and footings) - fortification around supports, fortification of slopes, fortification along the wings and foundations behind the ledges at the ends of the wings, pavements behind the ledge of the overfilled building, collars around the fronts of the overfilled buildings. modification and repair of inspection staircases, sumps and cesspools (cleaning, remediation of the surface of staircases, sumps, sumps, replacement of stair steps, establishment of a new staircase, repair or establishment of sumps and sumps) modification and repair of drainage chutes and ditches (cleaning, repair or establishment of a chutes and strengthening of the bottom of ditches, repair or establishment of outlet objects of reverse drainage in slope, cleaning drainage) modification and repair of road - traffic safety railings (renew PKO, repair or installation of railings) In order to carry out the above-mentioned activities, it will be necessary to ensure the relevant traffic engineering measures (e.g. reduction of the number of traffic lanes, narrowing of traffic lanes, restriction of 1 lane on a non-directional road).