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Stage 8: Forming pile heads and lift pits

Forming pile heads and lift pits - Schematic drawing

Connecting the basement slab to the piles

  1. Place low permeability working blanket.
  2. Lay 75 mm concrete blinding over polythene sheet to 1.8 m.
  3. Form pile heads, weld reinforcement and connections to pile reinforcement, sheet piles and steel columns.
  4. Seal/weld sheet piles against the ingress of water, down to underside of lower slab
  5. Form pits for the lift system.
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