Company for exploration, designing & construction ltd. Zagreb
Using steel risers as rising main with submersible pumps is a past in world practice.
Company Hose Manufacturers, produces flexible rising main under the brand name "Boreline" for over 20 years and exports them worldwide, to many African countries, USA, South America, Australia and Europe.
Hoses are smooth, easy to install inside the well in one piece and convenient in confined spaces. Known for first class physical, mechanical, hydraulic i ecological properties. Suitable for the installation in the aggressive environments, isn't susceptible to corrosion, scaling or microbiological growth.
Excellent hydraulic characteristics enable diameter to be smaller than steel risers which ultimately reduces energy cost.
Boreline - advantages
• No corrosion, incrustation or scaling
• No microbiological growth
• Great tensile strength
• Excellent hydraulic characteristics
• Prestigious flow
• Up to 200 m length in one piece
• Supplied in compact roll
• Easy to store, handle and transport
• Easy to install and retrieval
• Small maneuvering space needed
• Satisfies all drinking water criteria
• Easy to use in compact spaces
Comparison with characteristics from other types of rising mains
Investor: KRAŠ - ZAGREB
4" flexible rising main with submersible pump Pleuger installed in only one hour, using help from only one worker and drilling rig crane.
Comparison between heavy and corroded steel pipes, closely to 2 tons in mass and 4'' flexible rising main (with similar hydraulic characteristics), which easily fit in the trunk of the personal car.
Investitor: KRAŠ - ZAGREB
Investor: "VIRO" - VIROVITICA
Corroded and damaged steel pipes replaced with "Boreline" flexible rising main - using the drilling rig.
Investor: FARMA MAMIĆ - TENJA
"Boreline" flexible rising main simply and easily installed using off-road vehicle and rotating drum.
Investor: VODOVOD NAŠICE
Velimirovac water supply yard
Boreline flexible rising main use proved to be very useful. The pumping station was poorly designed with limited space. Hose installation done using tractor and rotating drum put on the pumping station roof.
Investor: MEĐIMURSKE VODE - ČAKOVEC
Nedelišće water supply yard
200 mm flexible rising main installed in only 17 minutes. Telescopic crane was used.
Investor: "LIPIČKI STUDENAC" - LIPIK
Investor: HRVATSKE VODE – ELEKTROKOVINA ADRIA
Kukunjevac water supply yard
Flexible rising main and submersible pump installation by hand.
300 m flexible rising main in one piece.
In the Split hinterland, installing the flexible rising main with Grundfos submersible pump at the 300 m depth, inside deep exploratory borehole.
Investor: "HRVATSKE VODE" - VODOVOD VINKOVCI
East Slavonia regional water supply yard - Sikirevci
Water wells in the larges water pumping station in Croatia - Sikirevci, equipped with "Boreline" flexible rising maim, diameter 200 mm, using excavator. The weight of the submersible pump is 900 kg.
Investor: MEĐIMURSKE VODE - ČAKOVEC
Two submersible pumps in one well.
Flexible rising main replaced heavy corroded tubes after the well rehabilitation.
Investor: PONIKVE, ISLAND OF KRK
Investor: GAVRILOVIĆ, PETRINJA
Installation in limited space
All water wells at Gavrilović water pumping station in Petrinja have installed Grundof submersible pumps with flexible risig main
Investor: POMAK / HRVATSKE VODE, 2015
KORITA water supply yard, island of Vis
Installation of submersible pumps with flexible rising main, after successful well rehabilitation using combined mechanical and chemical procedures.
Water well drilling, testing, rehabilitation, pump installation, conceptual designs and project documentation making; professionally and inexpensive.
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