GEOMAC
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    • GROUND WATER CONTROLLING / DEWATERING >
      • Dewatering: Well Point System
      • dewatering: deep well system >
        • Design Criteria
        • Technical Background
        • Advantages
      • French Drain System
    • EARTH RETAINING SYSTEM >
      • SHEET PILE >
        • Structural Integrity
      • Shoring: Wooden & H Beam Shoring
      • Shoring Magnum Box
    • ENGINEERING PUMPING SOLUTIONS
    • PIPELINE FLUSHING
    • STEEL FABRICATION
  • PRODUCTS
    • DEWATERING PUMP SALES
    • SUBMERSIBLE PUMP
    • DEWATERING PUMP SPARE SALES
    • DEWATERING ACCESSORIES
    • HOSES & FITTINGS
    • HYDRAULIC DRIVE DRILL
  • RENTAL
    • DEWATERING PUMP RENTAL
    • PUMP SERVICE AND MAINTANANCE
    • RENTAL OF HIGH CAPACITY PUMP
  • GALLERY
  • CAREER
  • CONTACT
  • HOME
  • ABOUT US
    • Introduction
    • Mission & VIsion
    • Managing Director's Message
    • Strategy
    • Equipment List >
      • Dewatering Pumps
      • Vibratory Hammer - ICE815C
      • Sheet Pile
      • 416L Vibratory Hammer
    • Organization Chart
    • HSE Policy
  • SERVICES
    • GROUND WATER CONTROLLING / DEWATERING >
      • Dewatering: Well Point System
      • dewatering: deep well system >
        • Design Criteria
        • Technical Background
        • Advantages
      • French Drain System
    • EARTH RETAINING SYSTEM >
      • SHEET PILE >
        • Structural Integrity
      • Shoring: Wooden & H Beam Shoring
      • Shoring Magnum Box
    • ENGINEERING PUMPING SOLUTIONS
    • PIPELINE FLUSHING
    • STEEL FABRICATION
  • PRODUCTS
    • DEWATERING PUMP SALES
    • SUBMERSIBLE PUMP
    • DEWATERING PUMP SPARE SALES
    • DEWATERING ACCESSORIES
    • HOSES & FITTINGS
    • HYDRAULIC DRIVE DRILL
  • RENTAL
    • DEWATERING PUMP RENTAL
    • PUMP SERVICE AND MAINTANANCE
    • RENTAL OF HIGH CAPACITY PUMP
  • GALLERY
  • CAREER
  • CONTACT

technical background


Picture

Technical background

Site De-watering is commonly required when excavations are required to be deeper than the natural water table. 
For shallow excavations (generally under 4 meters) well-point De-watering is commonly adopted achieve an adequate draw down in permeable soils. (i.e. sand, clayey sand etc.) 
Deep well De-watering is recognized as a cost effective and efficient way for medium to long term De-watering of larger projects where the excavation is greater than 4 meters or when a well point system is deemed inefficient. 
Our system has many advantages:
  • Minimal noise 
  • Easy to install  
  • Does not rely on vacuum inducement that is typically associated with spear point (well point) De-watering systems. 
  • Relatively maintenance free as the  submersible pump sets are housed in the deep well and cooled by the flowing groundwater.
We analyze the ground water lowering by DC-De-watering Software
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