Tenders Are Invited For Surveying, Hydrographic, Oceanographic And Hydrological Instruments And Appliances – Phase 1 - Beschaffung Und Installation

Surveying, Hydrographic, Oceanographic And Hydrological Instruments And Appliances – Phase 1 - Beschaffung Und Installation. In The Project Sensor Network- Soil Moisture And Water Balance (Sebowa), The Structure And Operation Of A High-Quality Reference Measurement Network For Soil Moisture And Hydrometorology In The Urban Area Of ​​Berlin Is Implemented. The Future Measurement Data Will Create An Improved Basis For Knowledge Of Relevant Water Balance Components, In Particular The Urban Ground Water Balance, High -Resolution And Space -Consuming For Berlin. In This Tender, The Scope Of The Technical Specifications And Services To Be Provided By Experts For The Reference Measurement Network To Be Installed Are Divided As Follows: • Procurement And Delivery Of 34 Environmental Measurement Stations, • Installation And Commissioning Of Online Measurement Technology, And • Data Testing And Processing Of Online Measurement Data. Precise And Low-Maintenance Measuring Methods For The Following Measurement Variables Are To Be Used For Continuous Measuring Operation: • At All 34 Measuring Locations: Soil Moisture Using Fdr Probes To A Depth Of 150 Cm • At 23 Measuring Sites: Matrix Potential At 30 Cm Depth In The Root Zone Of Trees • At 10 Measuring Locations:  Low-Precedible With Wmo-Conformer Rain Sensors  Air Temperature And Air Humidity In An Actively Ventilated Ray Protection Hut  Wind Speed And Direction Using Ultrasound Anemometers. There Are 10 Locations With Hydrometeorological Measurement Technology To Be Set Up On Fenced Terrain With Network Power Supply, As Well As 24 Energy-Sufficient Measurement Stations (Including Photovoltaics) At Tree Locations In Public Parking, Forest And Street Space. The Procurement Of The Measurement Technology Including Sensors, Measurement Data Storage, Remote Data Transmission, Control Cabinet And Station Construction Must Be Carried Out By The Contractor. The Installation And Commissioning Must Be Carried Out By The Contractor In Coordination With Participants. The Installation And Commissioning Should Take Place Until May 31, 2026. The Incoming Measurement Data Must Be Checked And Edited Weekly Up To And Including December 2026 In Order To Make It Available For Current Calculations By The Water Balance Components Of Berlin In High Quality.

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Global Tender Document	Tender Notice