Water-well drilling | Tenderlake

Water-well drilling

Contract Value:
-
Notice Type:
Contract Notice
Published Date:
16 August 2023
Closing Date:
19 September 2023
Location(s):
DE278 Günzburg (DE Germany/DEUTSCHLAND)
Description:
401-13 Thermal well system | General renovation and expansion of RS Thannhausen

The Christiph-von-Schmid Realschule Thannhausen is to be completely renovated in the coming years.

For this purpose, the “roundel building” and part of the main building are first demolished. The extension of the secondary school will then be built here, a new break hall will be created and the school's accessibility will be established.

The execution of the overall project is planned in 2 construction phases.

Construction of a well system for thermal use in two lots

- The 1: Leistungspumpversuch

- Lot 2: Fountain

The 1 Leistungspumpversuch

Scope of approval procedures:

Drilling indicator, water rights application, presentation of drilling results, temperature field calculation

Scope of well drilling work:

Create 1 withdrawal/1 return well, drill over 1 return well, depth approx.8m each

Scope of power pumping test:

Power pumping test to simulate the operating status including volume reading and water level measurement with data logger, keeping a pumping log, taking a water sample to investigate the specific groundwater parameters for thermal use. Checking the functionality of the infiltration. Installation of 100m temporary hose line

Lot 2 Fountain

Scope of earthworks:

Loosening/storing/installing soil trench up to 2.5m – 340m³, flat surface 185m², shoring up to 2.5m – 825m², loosening/storing soil shaft up to 3.0m - 35m³, shoring shaft up to 3.0m – 72m², backfilling shaft 75m³

Scope of shaft structures:

Shaft rings DN1500 height 1,000mm – 8 pieces, in-situ concrete foundation 4m³, pump sump DN1500 and well head 4 pieces, support ring width 800/100 – 8 pieces, cover plate reinforced concrete DN1500/800mm – 4 pieces, integration of pressure/suction line – 4 pieces, manhole cover DN800/D400 – 4 pieces

Scope of conveyor system:

Submersible pump for pumping groundwater – 2 pieces, control cabinet for infinitely variable control of two submersible motor pumps up to approx. 11 kW, frequency converter rated power 4 kW, sinusoidal filter, measuring probe

Scope of piping and accessories:

Pressure pipe PE-X DN/OD 110 – 110m, pressure pipe PE-X DN/OD 160 – 120m, transition fitting and T-piece PP DN110 – 8 pieces each, angle PP 90 degrees DN110 – 10 pieces, shut-off valves – 5 pieces, media feedthrough – 2 pieces

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The Buyer:
Landratsamt Günzburg
CPV Code(s):
45262220 - Water-well drilling