PP 016: Water Shuttle And Relay

Question 1

What are the two main methods for overcoming inadequate water supply by moving water from one place to another?

Answer 1

Using pumping appliances to maintain a shuttle from the supply to the fireground

Relay the water over great distances using pumps and hose

Question 2

What are the two types of water relay?

Answer 2

Closed circuit
Pump to pump, using LPPs

Open circuit
Pump to portable dam, using appliance pumps

Question 3

How can the pump output be improved (insufficient flow)?

Two answers

Answer 3

Shortening distance between pumps

Increasing diameter of hose

Question 4

What does the distance between pumps depend on?

Three answers

Answer 4

The flow required

Diameter of hose

Contours on the relay route

Question 5

The effeciency of a water relay depends on what four factors?

Answer 5

Skill of operator

Good communication

Layout of the relay

Equipment being in good working order