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Construction

Construction: Trenching

• Are there any special trenching requirements advised by our customers for PE pipe?
• Are there any limitations on the depth at which PE pipe can be laid?
  
• Is trench alignment critical when laying PE pipe?
  
• Can PE pipe normally be installed by trenchless methods or methods using minimum excavation?

Construction: Laying

• Is PE pipe suitable for new supply or collection networks?
• Can PE pipe be used for replacement or rehabilitation of existing pipe networks?
• Is any special equipment needed to lay PE pipe?
• What are the bedding requirements for PE pipe?
• What levels of productivity can be achieved in PE pipe installation?
• How can I verify details of the pipes and fittings that have been installed?

Construction: Assembly: Methods

• What is electrofusion?
• What is butt fusion?
• What is mechanical assembly?
• What methods can be used to assemble a PE pipe network?
• Under what circumstances are the different methods used?
• What special equipment is needed for each assembly method?
• Can different grades of PE be connected to each other?
• Are there any standards or codes of practice applicable to the assembly methods?
• What training is necessary for operatives to assemble PE pipe networks? 
• How can I verify that the correct assembly procedures have been followed?
• What procedures are used for testing the assembly?

Construction: Commissioning: Testing

• Are there any special factors that affect the testing procedures when commissioning PE pipe? 
• Are there any standard procedures or codes of practice that cover testing and commissioning of PE pipe?

Construction: Commissioning: Purging

• Are there any special factors that affect the testing procedures when commissioning PE pipe? 

Construction: Commissioning: Static Electricity

• What precautions do customers and installers generally advise against discharge of static electricity? 

Construction: Commissioning: Chlorination

• Is PE resistant to the chemicals commonly used for disinfection, e.g. chlorine?