Teuf -oriented rehearsals and recording depth profiles in the gro e goitzschesee

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Tender Organisation:

MdSe Mitteldeutsche Ref renown and waste disposal company mbH

Tender Sector:

Meters Tenders Tenders

Tender Service:

Worldwide

Tender Region:

Europe

Tender Country:

Germany

Tender CPV:

34999420 : Boat scale models
38421100 : Water meters
48951000 : Boat-location system

Tender Document Type:

Tender Notice

Tender Description:

Teuf -oriented rehearsals and recording depth profiles in the gro e goitzschesee Teuf -oriented rehearsals at the Gro e Goitzschesee part of the niemegker See should take place at the end of the stagnation phase before the autumn circulation of the lake The sampling is planned within two translations from the southwestern bank to the bottom of Lake Niemegker The exact area with the specific sampling points is specified by the AG In principle representative removal of sea water samples is only possible as a drawing samples The sampling takes place from the boat at a total of 11 measuring points as in the aforementioned along two transforms The rehearsals can be found in a deep span of approx 7 to approx 47 m The mean water depth at the 11 measuring points is approx 37 m The coordinates of these measuring points can be found in Appendix 2 and adhere to a tolerance of - 5 m The boat must be secured at every measuring point using anchor against drifts change of location during the measurement and sampling Compliance with the given coordinates must be checked using GPS during measurement and sampling Before every rehearsal the depth must be recorded by means of echo-olots logging and comparing it with the specified target depth If the actual depth is deviated the coordinate must be converted or must be consulted with the AG With a creator a sample can be made from a maximum of 0 5 m above the lake base The creator must be structurally made that an exact depth placement is possible for sample acquisition Furthermore he must ensure an unimpeded water exchange in the drawing tube in the intended sample depth No whirled sediment from the lake floor may not be contained in the sample As a creator vessels are permitted which can be opened and closed into the intended depth In the intended depth the creator must be concluded in such a way that it is guaranteed that the sample only comes from the intended depth The water obtained must be filled into the vessels provided by the laboratory The vessels are to be filled directly from the creator After that at selected sampling points in accordance with Appendix 2 depth temperature pH value electrical conductivity sour fabric content oxygen saturation turbidity and redox potential must be recorded at selected sampling points These must contain at least one measurement value per pa-rameter each 0 5 m from the water surface to the ground The measured values are to be recorded according to the constancy of the parameters The on-site parameters on the water floor are to be noted in the rehearsal record The task is designed in such a way that work can be carried out on one working day The information on rehearsal treatment filling the sample vessels and sample cooling can be found in the description of the service The documentation of the results should be presented at the latest 4 weeks after rehearsing and the following -Tiling all on-site values of all samples from the sampling protocols in the MS-Excel -Full sampling protocols digital and or scanned handwriting original protocols -depth profiles as diagrams and all data recorded in the MS-Excel

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Tender Document:

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