Drainage

Drainage

1. Access

   • Back Drop MH
   • Man Holes / Inspection Chamber / Rodding eyes
     • IC / MH : ID
     • Ground Level :
     • Invert Level :
     • Size : dia
     • Material : upvc / vc
     • Cover :
       • L : Light
       • M : Medium
       • D : Dense
   • Location

2. Pipes

   • Flexible
     • UPVC
       • Light weight, Economic to produce, various lengths, lots of fittings, different colours,
       • 100 dia standard for up to 10 dwellings
   • Rigid
     • V C
       • 225 dia standard for main sewers in roads
   • Bedding

3. Junctions and Depths

4. Principles

   • Simple Design
   • Water tight
   • Self Clenseing
   • Adequate Access
     • Maintaince
     • Inspections
     • Clearance of Blockages
   • Adequate Support
   • Economical
   • Same
     • Gradient
     • Material
     • Size
   • Duriable
   • Ventilated
     • SVP @ Head of run
   • BS 8000 pt 4 Workmanship

5. Services near foundations

6. SVP Locations

7. Pipes Through Walls

8. Testing And Commissioning

   • Air Test
   • Water Testing

Bilder und Dateien der Mindmap