New schlusen dek-nord- drilling and exploratory work at the venhaus altenrheine and bergesh vededer steg locations

The New waterway office Datteln in Germany from Europe region had released this tender for New schlusen dek-nord- drilling and exploratory work at the venhaus altenrheine and bergesh vededer steg locations Venhaus location For exploration of the marly clay stone in the areas of the bank walls in the lower and upper outer harbor in which anchoring is made in the following construction sections by extensive a total of 5 base bores with continuous core extraction in a fixed core case BKF must be carried out up to 27 m depth All building base bores are to be removed into groundwater measuring points with at least 324 mm drilling diameter A qualified groundwater sample for the examination of the concrete aggressiveness can be found from all new groundwater measuring points and 5 existing groundwater measuring points Location Altenrheine For exploration of the building ground in the area of the planned open water pipe and the installation and outlet structures a total of 13 base drilling bores with continuous core extraction in a fixed core shell BKF with up to approx 20 m depth as well as 13 pressure probes CPT with up to 20 m depth and 19 heavy ram probing DPH with up to 20 m depth Three of the 19 heavy ram probes must be carried out on the water from a pontoon with up to 13 m depth Five base bores are to be removed into groundwater measuring points with at least 324 mm drilling diameter A qualified basic water sample for the examination of the concrete aggressiveness can be found from all new groundwater measuring points from all functional existing groundwater measuring points as well as from the lower and upper water of the DEK The 17 groundwater measuring points should become part of the groundwater monitoring and must therefore be checked accordingly using camera feeding The missing data regarding the location of the filter routes and a check for any damage should be carried out Bergesh veder Steg location A total of 3 pressure probes and 6 heavy ramming probes each up to 32 m depth must be carried out for exploration of the building ground in the area of the up -to -date ramps with tender notice no. 3833SB5-234.03/Fwl_Alt/4010 published on 08 Apr 2025. The tender expired on 13 May 2025. This tender is sourced from Vergabe and is eligible for suppliers interested in Drilling and exploration work. Interested bidders can obtain further information including complete bid documents or ways to participate by registering on Tender Impulse and referencing via Tender Impulse ID 7565016.