Tenders Are Invited For Engineering Services - D11 1108 Jaroměř - Trutnov, Implementation Of Hg Monitoring - ... in Czech Republic

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Engineering Services - D11 1108 Jaroměř - Trutnov, Implementation Of Hg Monitoring - Before The Start, During And After The Completion Of Construction. The Subject Of The Contract Is Hydrogeological Monitoring In The Section D11 1108 Jaroměř - Trutnov. Hydrogeological Monitoring Will Take Place During Five Hydrogeological Years. The Work Is Based On The Hydrogeological Monitoring Project (Az Consult, Spol. S R.O., 09/2022/Update – 08/2024) And Follows On From The Measurements Carried Out As Part Of A Preliminary, Detailed And Supplementary Geotechnical Survey And, In Particular, Groundwater Level Monitoring In 2018-2021 . Specifications Of The Subject Of The Contract: Administrative Preparation, Search Of Archival Sources Level Monitoring In Hydrogeological Wells (30 Wells, Measured Data From Automatic Level Gauges Will Be Downloaded 1X Every 3 Months, Automatic Level Gauges Will Measure With A Frequency Of 1X Every 6 Hours, At The Same Time Manual Control Measurements Will Be Carried Out In All Drilling 1X In 3 Months). A Total Of 600 Withdrawals And Manual Intentions Are Planned (30 Wells X 4 Intentions And Withdrawals Per Year X 5 Years). Level Monitoring In Wells (26 Wells, Manual Measurement 1X Every 3 Months, A Total Of 520 Measurements Planned - 26 Wells X 4 Measurements Per Year X 5 Years). Monitoring Of Municipal Water Sources (Water Source Janská Studánka (Kocbeře) And Pod Kocbeří – Nad Gruntem (Ch. Hradiště). In The Case Of Automatic Recording, The Flow Will Be Measured 1X Every 6 Hours With Data Download Once A Month, In The Case Of Manual Measurement, The Measurements Will Be Carried Out Once A Month Flow Measurement On Surface Watercourses - 2 Watercourses (Measurement 1X Per 3 Months, Total 40 Measurements - 2 Profiles X 4 Measurements Per Year) And Laboratory Analyzes (34 Objects X 2 Analyzes Per Monitoring Period + 2 General Water Source Once A Year For 5 Years, A Total Of 78 Groundwater Samples Will Be Taken And Analyzed) The Following Parameters Will Be Determined As Part Of The Laboratory Analyses: - Úchr (Complete Physico-Chemical Inorganic Analysis Of Water) - Toc (Total Organic Carbon) - C10-C40 ( Petroleum Hydrocarbons) - Btex (Benzene, Toluene, Ethylbenzene, Xylenes). Due To The Length And Elevation Of The Monitored Route, We Assume The Use Of Data From Two Rain Gauge Stations – Velichovky For The Southern Part Of The Route And Úpice For The Northern Part Of The Route.

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