What are the advantages and disadvantages of dry tapping in water mains?

Here are the advantages and disadvantages of dry tapping:

• Advantages of Dry Tapping:

  • Generally less expensive than wet tapping as it requires less specialized equipment.
  • Simpler procedure, often requiring less specialized training for personnel.
  • Allows for thorough inspection and cleaning of the pipe interior before making the connection.

• Disadvantages of Dry Tapping:

  • Requires the water main to be shut down, interrupting water service to customers.
  • Can lead to significant inconvenience and potential loss of revenue for water utilities.
  • Increases the risk of contamination when the main is depressurized and exposed to the environment.
  • Time-consuming due to the need for shutting down, draining, and refilling the main.