1.4 Trench Dimensions

Particular attention must be paid to ground frost depth.Values in brackets refer to an authorised axle load of 5T.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Backfill

2. Route warning tape

3. Sand fill

4. Sandbed

5. Pre-Insulated Pipe

Where pipes are to be installed in any situation other than un-trafficked or up to 5 tonne axle load please contact our technical services department for further guidance.