Test Drilling And Boring Work - Exploration Program 2025. To Explore The Geological-Geotechnical Conditions In The Area Of The Planned And Above-Mentioned Construction Measures, A Total Of 58 Vertical 6 M To Approx. 60 M Or 140 M Deep Building Base Bores Dn 178/Dn 146 With Approx. 1128 Lfm And An Approx. 50 M Deep Full Bore And 42 Heavy Ramming Sounds Are 6 M To 15 M Depth, A Total Of Approx. 353 Lfm Planned. Optionally, The Implementation Of A Further 9 Vertical Approx. 45 M To Approx. 60 M Deep Building Base Drilling Bores With Approx. 480 Lfm Is Provided. In Addition To The Construction Of The Building Grunder Using Core Hole, The Professional Geotechnical Sampling By The Contractor Is Required (See Lv Or Plants 1 And 2). Furthermore, The Samples Taken From The Bores Must Be Carried Out By The Samples Taken From The Holes After Consultation And Determination By The Expert For Geotechnical Engineering. In Detail, The Execution Of The Field Work Described Below Is Planned: · · Vertical Bore In The Ramming Core, Rotary Core And/Or Sonic Drilling Drilling Process In Accordance With Ec7 With A Borehole Diameter Of ³ 178 Mm Or ³ 146 Mm For Building Base Drilling (Kb-P-P-4-Kb-Pt 64/25; Bs-21/2025- Bs-35/2025; · Vertical Full Bore In The Rotary Drilling Process (Rotatory Drilling, Etc.) Without Core Profit With A Minimum Borehole Diameter Of 300 Mm For Expansion As A Groundwater Measuring Point (Bs-18/2026A). · Removing Soil Samples Of Quality Class 1 To 5 According To Din En 1997-2: 2010-10 On Instructions And Brown Las Samples. · Removement Of The Class 1 To 3 According To Din En 1997-2: 2010-10 On Instruction. · Measuring Right And High Values (Gauss-Krüger) And Etrs89/Utm-Fig. As Well As The Height Of The Head Edge Of The Drilling And Exploratory Points In The Dhhn12 And Dhhn2016 Height System. · Filling The Boreholes With Suitable Material Or, According To The Specification (Drilling Material, Sound Pellets, Cement Bentonite Suspension). · Expansion Of 11 Holes To 5 “Groundwater Measuring Points (Expansion Depth Approx. 25 M To 60 M Or 140 M) Including Short-Term Pump Test (Pumping Duration Min. 60 Min) While Clarpumps And Installation Data Loggers. Brunnentest According To Dvgw Worksheet W111: 3-Step Test (Vsl. 1 L/S, 2 L/S And 3-5 L/S), Pump Time: 2 H Per Level. On New Gwms In Pt-Ost (Vsl. 2 Pieces, Optionally Also On Selected Gwms In Süßenmühle). Record Pump Time And Rise. O Determination Of The On-Site Parameters Of Water Sample From Pump Tests Brunnentest. O Data Logger During Pump Tests Gw Leader Tests For A Total Of Approx. 15 Observation Measurements Deliver, Install And Read Out In Heavily Tense To Artesian Gwms (According To Lv Specifications).
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