in Part 1: 1 new peristaltic sampling pump, which shall meet the minimum requirements according to the following technical specifications: Suction height: ≥8 m Adjustable flowrate: 50 mL/min to 2 L/min Reversible suction direction Outer tube diameter: 8-10 mm or 10-16 mm Removable built-in battery (minimum 3 hours of battery life) Operable from 12 V external power supply Total weight: maximum 10 kg Field design (portable) Required accessories: transport of silicone and PE pipes with a minimum of 12 meters as an accessory. in Part 2: 1 new floating and desiccating hydrocarbon layer thickness gauge, which shall meet the minimum requirements according to the following technical specifications: Field/portable design, rolled on drum Total length: minimum 30 meters measuring cable length Power supply: Replaceable, commercially available battery/battery Explosion-proof design with corrosion-free measuring tape Metric graduation (in mm designation) Part 3: 1 new field sampling and water level recording system, which shall meet the minimum requirements according to the following technical specifications: Blister pump and double-basin pump based sampling system consisting of: • 1 bladder pump (diameter: 30 to 50 mm, length: 0.5 to 1 m) • 1 double valve pump (diameter: 30 to 50 mm, length: 0.5 to 1 m) • 2 replacement bladders of LDPE material for the bladder pump • 2 replacement bladders of Teflon material for the bladder pump • 1 control unit for the bladder pump and double-valve pump (capable of handling 15 bar pressure) • 1 12V compressor for the control unit (with air tank, maximum pressure not less than 10 bar, power supply from an external 12 V power source, equipped with battery tweezers) • 1 control trachea (length: 1.5 – 2 m) between control unit and pump trachea • 1 trachea (length: 1.5 – 2 m) between compressor and control unit • with 1 double trachea hose trolley (length: 2 x 60 m, material: LDPE) for air and water transport between the bladder pump and the double-valve pump and the surface components Compatibility of sampling system elements, connection of tracheas and other components, applicability at operating pressure of 15 bar is expected. Discrete interval sampling system consisting of: • 1 sampling probe (diameter: 30 to 50 mm, length: 1 to 1.5 m) • trachea with hose trolley (length: 150 m, material: LDPE) • 1 hand pump Compatibility of sampling system elements, connection of tracheas and other components, applicability at operating pressure of 15 bar is required. 1 new acoustic water level meter: Field/portable design for water level measurement in wells Measuring range: 3 – 600 m Measurement accuracy: ≤3 cm Power supply: replaceable commercial battery/battery 1 new liner and hole depth meter: Field/portable design, rolled on drum Total length: 100 m Power supply: Replaceable commercially available battery/battery with corrosion-free measuring tape Metric graduation (indicated in mm) Water level recording devices and accessories: • Can be installed in 2 water level monitoring wells with respirator cable 30 m and well head unit, removable respirator cable water level measurement range: Water level measurement accuracy of 20 m: Accuracy of temperature measurement of 0.01 m: 0.05°C power supply: waterproof built-in battery/battery life: 10 years of data storage capacity: ≥100,000 measurements • 1 x programming and scanning interface with USB connector On the basis of Section 46 of the Government Decree (X.30.), it states that where reference is made to the product specified in the procurement documents, this was done in order to clearly define the nature of the product, because a sufficiently precise and intelligible description of the subject-matter of the contract cannot be provided by means of a circumscription. However, the tenderer may include in its tender any other product which meets and is equivalent to the specified requirement.
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