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Installation of Bored Cast In Situ Piles and Soldier piles

All piles are installed by TMR, DTH and Hydraulic Rotary Piling Rig. The works comprises mainly of the following steps:

  • Drilling of bore holes of required diameter.
  • Insert temporary casing.
  • Lower Reinforcement Cage.
  • Flushing of bore.
  • Pouring of Concrete as per approved Design Mix.
  • Disposing of Muck / Bentonite etc.

Equipment and Accessories required for Piling are detailed below:

TMR , DTH and Hydraulic Rotary piling rig with all accessories

Temporary casing pipe

Bentonite Mixing Set-up comprising of mixing tank and pumps

Tremie pipe of 200 or 250 mm I.D. min along with Hopper

Testing Apparatus

  • Measuring cylinder
  •  MudBalanceHydrometer
  • Marsh cone
  • Weighing balance
  • Hot plate
  • pH papers

Sodium based bentonite will be used with pH of Fluid between 9.5 and 11.5. Bentonite powder shall conform to requirements given in IS: 2911 (Part -1/Sec -2). All batches of bentonite powder delivered & suspension fluid made there from shall be tested to satisfy requirements failing which they shall be rejected.

Bentonite powder shall be mixed with clean water to make a suspension of density as specified. The suspension shall be regularly tested to ensure its suitability for use as drilling mud.