Structural steelworks | Tenderlake

Structural steelworks

Contract Value:
EUR 14M - 14M
Notice Type:
Contract Notice
Published Date:
31 March 2023
Closing Date:
25 May 2023
Location(s):
DEF05 Dithmarschen (DE Germany/DEUTSCHLAND)
Description:
Repair work sliding gates II, III, V and VI, large lock Brunsbüttel

3 sliding gates (optional 1 sliding gate):

per sliding gate: provision of building site, transport sliding gate, approx. 10 t steel construction renew, approx. 3000 m² scaffolding approx. 6800 m³ room scaffolding, existing corrosion protection revise / partially renew, processing of the piping system, processing of seals and protective woods, electrical installation work

Design of the respective sliding gates one after the other

In the course of the measure, the client has a building inspection carried out on the respective object.

The sliding gate consists of a riveted truss construction with double-sided dam wall and has a total height of 20.6 m 6 horizontal bars, which start from below with the designation "A" - "F". Between the bars "C" and "D" there is a floating box of 8.30 m width over the entire length of the gate of 47.3 m, while the largest width of the gates, including the guide and sealing strips, is 9.42 m.

The weight of a sliding gate (heavy design) (for sliding gate II + V) is (approx. 1,307 t steel construction, approx. 67 t mechanical equipment, approx. 90 t guide and sealing timber, runners and covers) in total 1,464 t. Total paint area: 16,700 m²

The weight of a sliding gate (light design) (for sliding gate III + VI) is (approx. 1,170 t steel construction, approx. 67 t mechanical equipment, approx. 90 t guide and sealing timbers, runners and covers) in total 1,327 t. Paint area 15,800 m²

Services: In the course of the repair, 100% of the door construction must be processed. This means that the respective sliding gate is repaired from the bolts "A" to "F".

In detail per sliding gate:

Provision of a repair site with appropriate transport to carry out the work in the trough (in dry dock, floating dock, on land, on pontoon)

Scaffolding work: approx. 3000 m² on the outer surfaces, approx. 6,800 m³ scaffolding inside the door including necessary environmental protection measures

Steel construction work: Determination of the existing sheet thicknesses, approx. 5 t riveted / welded steel construction renewed, various additional work on railings, platforms, auxiliary equipment, bollards

Piping work: approx. 70 m of pipes of the flushing system removed and renewed, flushing nozzles renewed

Wood and PE work: approx. 30 m³ of sledding, sealing and guide timber, replacement of PE strips

Electrical installation work: dismantling, renewal and installation of the electrical installation for lighting and energy supply of the gate, the starting control and integration of an electr. Slide control for the flushing system

Corrosion protection work: cleaning of steel surfaces including pipelines from bolt "A" to bolt "F" of vegetation, preparation (varying degrees of purity) of selected partial surfaces and components, base and top coating work

Use of equipment: Provision of a crane for all lifting operations

Execution of a building inspection by the client

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The Buyer:
Wasserstraßen- und Schifffahrtsamt Nord-Ostsee-Kanal
CPV Code(s):
45223210 - Structural steelworks
45231100 - General construction work for pipelines
45262100 - Scaffolding work
45262420 - Structural steel erection work for structures
45442120 - Painting and protective-coating work of structures
50246100 - Dry-docking services