Evolution 3 Utilizing a ground mounted Foam Cannon

Question 1

Position Portable Reservoir and Cannon at point of operation. Stretch largest available hose to the cannon. Under no conditions should hose less than how big be used to supply a Foam Cannon?

Answer 1

2.2 & 2.3

Under no condition should hose less than 2½” be used to supply the Foam Cannon.

Question 2

what should the Foam Cannon be secured to prior to use?

Answer 2

2.4

Secure the Foam Cannon with a utility rope to a substantial object.

Question 3

What size hose shall be stretched from the Foam Carrier to the Portable Reservoir?

Answer 3

2.5

Stretch 1¾” hose from the Foam Carrier to the Portable Reservoir. Secure the hose to the top of the reservoir.

Question 4

Who can order the foam concentrate be delivered to the Portable Reservoir and that water be started?

Answer 4

2.6
The Chief Officer in Command shall order the delivery of foam concentrate to the Portable Reservoir once assured that the Cannon and the Reservoir are in a suitable position. The Chief Officer in Command of the fire will order water started.

Question 5

The foam concentrate should be delivered at a pressure that will permit a free flow without causing aeration or frothing of the foam. The pressure will depend on what 2 things?

Answer 5

2.8

The terrain and length of the stretch.

Question 6

The Cannon on an eductor setting of 3 will use 35 gallons of concentrate to produce 970 gallons of solution per minute. A 1000-gallon booster tank will last about __ minutes educting at an approximate 3% solution.
Fill in the blank

Answer 6

2.9

30

Question 7

How many feet is the pick up tube on the Foam Cannon?

Answer 7

2.10 & 2.11
The Cannon has a 10-foot pick up hose; therefore position it in close proximity to the Portable Reservoir. The Portable Reservoir can be filled with 5-gallon cans.

Question 8

What apparatus can be substituted and is preferred over the Foam Carrier?

Answer 8

2.12
The Foam Tender can be substituted for and is preferred to the Foam Carrier. The tender has three tanks of 1000 gallons each and will last much longer than the 1000-gallon booster tank of the carriers. Also, other foam carriers can supply the Foam Tender if the need arises.

Question 9

The Foam Cannon can be supplied by a pumper that is also supplying other handlines.
True or False

Answer 9

2.13
False
The Foam Cannon should be supplied by a pumper or Satellite manifold that isn’t supplying any other appliance. The Foam Cannon is capable of supplying 1000 GPM of finished firefighting foam if adequately supplied.