SFD Hose Line diameters

- inch and 3/4 - 2 and 1/2 inch - 4 inch Large Diameter Hose

before connecting, ensure female coupling contains:

Gasket

Red Dot Coupling connects:

4 inch NST to 4 inch ST

Hydrant Adaptor connects:

4 inch ST to 4 inch NST

Shoulder loading on an incline / grade, where should coupling be?

Coupling should be at highest elevation

2 and 1/2 inch Bulk Bed bight overhand length:

Not 4 inches

Minimum number of people assigned to a hose line entering building

2

How many feet of hose is used when loading the inch and 3/4 pre-connect (slot load)?

200 feet

How many feet of hose is used when loading the 2 and 1/2 inch pre connect blitz line (slot load)?

200 feet

Should hydrants be operated halfway open?

No

When to Double Roll Hose?

Only for transporting to repairs

Double Male / Double Female

Same size, thread, orientation on both ends

When to coil hose?

In a tight space such as hallway or stairwell

Water Hammer

Force from rapid DECELERATION of water

Force direction from emerging stream:

opposite direction of water flow

Greater the pressure and larger the nozzle's tip, the more...

severe the nozzle reaction will be

Always start rolling hose with the ____ end when single rolling

Male end