foundations

 

water-propelled drilling systems and pumps for foundation

GDS offers the market complete systems for drilling with water-propelled hammer technology for applications mainly within foundation and tunneling as well as dam and geoenergy projects.

The systems we offer include the water-propelled hammers from 3.5’’ to 8’’ (WAI 30i – WAI 80i from DrillKing), drill bits (DrillKing), high pressure water pumps (GDS), casing advancing systems (GeoRocFor), other related drilling tools such as check valves, drill rods, high pressure swivels, adapters and hoses (Sysbohr and Colcrete Eurodrill), filtering systems (Ramson), as well as drilling fluids and lubricants (Matex).

In connection to this, GDS also offers highly qualified service support and turn-key solutions.

about our ’water-propelled drilling systems’ (PDF)»

air DTH hammer systems, water-propelled drilling, jet grouting and anchor drilling

With its close co-operation with strong and well-known suppliers, GDS offers one of the most complete programs for drilling in hard rock and in ground engineering on the market:

  • Down-the-hole hammers from DRILLKING for drilling with air; dimensions from 76 mm, 3" up to 610 mm, 24"; the DK-30 - DK-240 hammers line
  • Drill bits from DRILLKING for air DTH drilling in hard rock; dimensions from Ø70 mm, 2 ¾" up to 1 067 mm 42"
    Link: downloads
  • Down-the-hole hammer systems from DRILLKING for drilling with water; dimensions from 89 mm, 3.5" up to 203 mm, 8"; the WAI 30i - WAI 80i hammers line
    Link: water-propelled drilling
  • Drill bits from DRILLKING for drilling with water in hard rock; dimensions from Ø90 - 254 mm, Ø3.5" - 10"
    Link: water-propelled drilling
  • Other special-designed drill bits from DRILLKING:
    • Slant bit – drill bits for directional drilling
    • Reamer bits/Hole openers
    • Jet-grouting drill bits
    • Customized drill bits, up to 1 000+ mm, 39"+
      Link: downloads
  • Casing advancing systems from GEOROCFOR in dimensions Ø114.3 - 914.4 mm
  • Other drilling systems and tools for foundation drilling from SYSBOHR;
    • Flushing head and shafts
    • All possible cross-overs and adapters
  • Jet-grouting systems from SYSBOHR:
    • Simplex Ø88.9 mm
    • Duplex Ø88.9 mm & Ø114.3 mm
    • Triplex Ø114.3 mm
    • Swivels and monitors
  • Environmentally safe drilling fluids & hammer lubricants from MATEX; e. g., the vegetable oil based rock drill lubricant Biodegradable hammer oil, the non-alcohol based high performance foam Foamer, Thread compound and Hole stabilizer
  • API-thread-certified drill tubes and threaded connectors from SYSBOHR and COLCRETE EURODRILL for rotary drilling:
    • DTH tubes in all types of diameters, wall thicknesses and threads are offered in a wide and flexible range of products.
    • Threads can be adapted to existing equipment with high flexibility in production. Drill tubes are offered in shrink fit and friction-welded design up to Ø 273 mm, Ø10 3/4’’ and 12.5 mm wall thickness. Tubes in larger dimensions are welded with automated welding machines.
    • Materials commonly used in manufacturing meets the qualities 27CroMo44 and 42CroMo4 to ensure a strong tube with a high durability.

We know that short lead times and quality are determining factors in the selection of a supplier. Thanks to the efficient logistics of material supply and high quality manufacturing processes, our partners are known for being the market leaders in this field.

more about our drill tubes, threaded casings and thread adaptors

Link 1: www.sysbohr.com
Link2: www.colcrete-eurodrill.com

tungsten carbide tools and cutter teeth

BETEK is one of Europe's leading manufacturers of cemented carbide tools, based on in-house production of hard metal. It could be for equipping of augers, Kelly drilling tools or chain trenchers as well as for Tungsten carbides for wear protection of surfaces, excavator buckets, etc.

BETEK is a therefore a strong partner for anyone performing foundation work in challenging geologies. The company has an extensive product range which offers the highest possible productivity by customizing tools and finding solutions that provide the best combination of tools for various ground conditions.

BETEK is simply the best combination for equipment, tools and geology!

more about our solutions for tungsten carbide tools and cutter teeth »
Link: www.betek.de

colloidal mixers, grout pumps and complete stations

GDS offers the COLCRETE EURODRILL range of colloidal mixers, grout pumps and complete mixing stations. The product range runs from simple hand-operated mixing devices to advanced grouting equipment with fully automated controls and sophisticated documentation systems. High quality, with a unique combination of customized solutions and short lead-times are the main characteristics of COLCRETE EURODRILL mixers and pumps.

more about our solutions for colloidal mixers, grout pumps and complete stations »
Link: www.colcrete-eurodrill.com

kelly drilling tools and double-wall casings

LEFFER drilling tools and double-wall casings are available for purchase or rental, from casing drive adaptor with cardan coupling up to the cutting shoe, including the tools; augers, drill buckets and barrels.

All components are manufactured to the highest quality by LEFFER, one of the largest European suppliers of this type of equipment, and well known for its quality, durability and dedicated design processing.

New requests for customization are constantly brought up in dialogue with our customers, and contribute to a constant influx of ideas into a creative environment for further development of existing systems and products.

We know that each foundation is unique and we are happy to discuss together with you on how we can design our tools in order to meet your specific requirements. For your availability, we have our own dedicated equipment park within the LEFFER compound.

more about our solutions for Kelly drilling tools and double-wall casings »
Link: www.leffer.com

pump service, maintenance and repairs

GDS offers its customers access to some of the most experienced service technicians for high-pressure pumps, grout pumps and mixers.

With many years of experience, the efficient and smooth, flexible and qualified help is never far away when needed – and also with the right attitude! With well-planned preventive maintenance, unexpected machine down time can be significantly reduced, saving major expenses and minimizing the risk of delays in production. GDS offers complete service; from service and maintenance planning all the way to active on-site implementation.

services – other equipment

With many years of experience, the efficient and smooth, flexible and qualified help is never far away when needed – and also with the right attitude! With well-planned preventive maintenance, unexpected machine down time can be significantly reduced, saving major expenses and minimizing the risk of delays in production. GDS offers complete service; from service and maintenance planning all the way to active on-site implementation.

Except servicing pumps, GDS also offers in-house service and maintenance of DTH hammers, swivels, rotary units and other lighter equipment.

For service, repair and modifications of heavier equipment like drilling rigs, we co-operate with SPD Scandinavian Pile Driving in Sala and can thereby offer a complete and well-reputable option for all your service needs.