Home » Civil Engineering Methods » Method Statement for Water Proofing Self Adhesive Membrane

Method Statement for Water Proofing Self Adhesive Membrane

Following equipment and tools shall be required before starting the work.

  • Slow speed drill machine
  • Gas Cylinders
  • Hand Tools & PPE
  • Trowel
  • Straight edge
  • Knife
  • Gloves
  • Solvent cleaner
  • Measuring Tape
  • Fire Extinguisher

The capacity / size of the above tools and equipment shall be judged in accordance with site conditions, requirements, and availability at the time of execution.

SAFETY & HEALTH

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  • All employees shall be provided with complete personal Protection equipment PPE.
  • All employees shall attend Safety Induction and training Course to identify all Hazards associated with this work.
  • All workers shall be provided with proper tools and equipment to execute the work safely.
  • MSDS (material safety data sheet) shall be displayed at work location as appropriate

PROCEDURE

  • Surface shall be clean, dry and free from loose particles before application of water proofing.
  • If any repairing for the surface is required it shall be done by approved material.
  • Chamfer and angle fillet shall be provided on all the corners.
  • Water proofing system shall be applied in strict compliance to Manufacturer’s recommendations / instructions and by certified workers.
  • Solvent based primer should be applied evenly around the faces by brush or Roller @ 0.3 –0.5 kg/m2.

self adhesive water proofing membrane

  • Allow the primer to dry prior to application of water proofing.
  • Ensure that all the workers to wear proper PPEs.
  • Membrane to be fully bonded by torching to the primed surface.
  • Care shall be taken while fixing the membrane as it should not be puncher or damaged.
  • The longitudinal overlap should not be less than 100 mm and should be staggered a minimum 150 mm with those of the eventual first layer. The end lap should not be less than 150 mm and should be staggered a minimum 300mm with those of the first layer.
  • Asphalt board shall be fixed over the membrane for protection
  • Asphalt board shall be fixed by torching and making spot adhesion with the membrane.
  • After fixing the protection board foundation could be back filled.

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