Excavating and earthmoving work | Tenderlake

Excavating and earthmoving work

Contract Value:
-
Notice Type:
Contract Notice
Published Date:
11 September 2019
Closing Date:
21 October 2019
Location(s):
DED SACHSEN (DE Germany/DEUTSCHLAND)
Description:
19O40498, Grossenhain Airfield, phases 2-7, renovation of the entire property

Lot 5 remediation KS pump station 3 and loop Nordost.

Renovation area KS RL-NO:

Surface preparation, open excavation (13 000 m 3 ), Production of 6 construction wells, transfer of mineral contaminated soil up to 3 km transport distance (5 000 m 3 ), condensed backfilling, promotion and treatment of about 54 000 m 3 Water in an overall system for the adsorption of pollutants with activated carbon (including water treatment for the rehabilitation area PS 3 including kerosene separation and separation); Restoration of the initial state

Renovation area PS 3:

Surface preparation, production of a ground management area (2 000 m 2 ), open excavated soil (43 000 m 3 ), Screening and transport of mineral contaminated soil up to 3 km transport distance (29 000 m 3 ), condensed backfilling, making planum. Construction and operation of a construction-time groundwater treatment plant with a throughput of 100 m 3 / h (including water treatment for rehabilitation area KS RL-NO) with extraction and treatment of approx. 50 000 m 3 Water.

Production of the infrastructure for a subsequent microbiological in situ remediation (18 wells, throughput: 27 m 3 / h, microbiological groundwater treatment by means of activated sludge process, chemical dosing station (nitrate, phosphate), pipeline and rig system, underground storage tanks, control and regulation technology, ancillary equipment.

Operation of microbiological in-situ remediation until the remediation targets are achieved.

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The Buyer:
Staatsbetrieb Sächsisches Immobilien- und Baumanagement, Niederlassung Dresden 1
CPV Code(s):
45112000 - Excavating and earthmoving work
45112340 - Soil-decontamination work
90522100 - Removal of contaminated soil
90733900 - Groundwater pollution treatment or rehabilitation