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DR 02 Bedding materials for below ground sanitary drains

This Practice Note provides guidance on the regulatory requirements for installation of bedding materials for below ground sanitary drains; and:

  • Regulatory requirements
  • General requirements
  • Sand bedding materials and drainage inspections
  • Suitability of bedding materials and table
Version history
Category
Drainage
Document number
02
Version
2.a
Published
6 June 2023
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