Dow Olefinverbund GmbH Tender

Contract notice: ögp "sow böhlen" groundwater monitoring technical services 2022 to 2024 (option 2025) The subject of the contract to be awarded is the implementation and documentation of the technical services for groundwater monitoring in the ecological large-scale project (ögp) "sow böhlen" in the period 03/2022 to 12/2024 and optionally until 12/2025. the service is divided into spring monitoring for the entire ögp as well as groundwater monitoring for a smaller sub-area (horizontal filter fountain route s71 (hfb)).- half-yearly (ögp = 13 pieces) or quarterly (hfb = 5 pieces) reading out of data loggers in gwm; - determination of ground and surface water levels, measuring point depths and phase levels (ögp-mon. 1 x annually in spring for approx. 466 measuring points, hfb -mon. 2022 monthly or from 2023 quarterly for approx. 50 measuring points) - sampling and analysis to determine the groundwater quality at selected groundwater and surface water measuring points (ögp-mon. 1 x annually in the spring at approx. 129 measuring points, hfb-mon . 1 x annually in the spring as well as every six months at 33 measuring points and quarterly at 23 measuring points) - reports to document the examinations carried out for the ögp and hfb monitoring in the spring, the ögp and the hfb monitoring must be carried out at the same time services may vary depending on technical issues and official requirements.