FSRS Equivalency List

Here's a list of equipment that ISO considers equivalent to items listed in the Fire Suppression Rating Schedule

Pumper Equipment (Table 512.A)
Item Needed Equivalencies
Booster tank 300 gallons 300 gallons or larger
Booster hose 200 feet 1-1/2" or 1-3/4" preconnected hose
1-1/2" hose 400 feet 1-3/4" or 2" hose
2-1/2" or larger hose 1,200 feet The first 400 feet can be 2", 2-1/2" or 3"; the remaining 800 feet must be 2-1/2" or larger hose.
Heavy-stream appliance (1,000 gpm) 1 Not needed when the Basic Fire Flow is less than 1,500 gpm. A mounted, elevated, or portable attack monitor is acceptable. May be prorated in 250 gpm increments.
Distributing nozzle (1-1/2" min.) 1
  • 1-1/2" or 2-1/2" piercing nozzle
  • 1-1/2" or 2-1/2" distributing nozzle, cellar nozzle
Foam nozzle (1-1/2" minimum) 1
  • 1-1/2" or 2-1/2" eductor
  • Built-in proportioning system
  • CAFS
Foam 25 gallons, of which 10 gallons is carried on the pumper
  • Any foam listed in the "UL Fire Protection Equipment Directory" as foam liquid concentrate (GFGV)
  • Class A foam
Wetting agents, emulsifiers, and surfactants are not acceptable for credit as foam.
2-1/2" playpipe with shutoff 2
  • Portable attack monitor with solid-bore tip
2-1/2" straight stream & spray with shutoff 2
  • 200 gpm nozzles
  • 1-3/4" combination vari-nozzle tip nozzles with a 2-1/2" adapter
  • Portable attack monitor with fog tip
1-1/2" straight stream & spray with shutoff 2 1-3/4" combination nozzle with 1-1/2" coupling
Breathing equipment (SCBA) (30-minute minimum) 4 4 @ 30-minute or longer duration
Spare SCBA cylinders (30-minute minimum) 4 4 @ 30-minute or longer duration
Portable air cascade or air filling station is not deemed equivalent.
Salvage covers (12-ft. x 18-ft.) 2 12-ft. x 14-ft. canvas or rip-stop plastic
Handlight (4v wet, 6v dry) 2 Rechargeable 6v handlight
Hose clamp 1 2-1/2", 3", or LDH hose clamp
Hydrant hose gate (2-1/2") 1 4-way valve, LDH manifold, trimese
Burst hose jacket (2-1/2") 1 2-1/2", 3", or LDH hose clamp
Gated wye 2-1/2" x 1-1/2" x 1-1/2" 1 Water thief, 2-1/2" gated wye with 1-1/2" reducers
12- or 14-ft. roof ladder 1 16-ft. roof ladder
24-ft. extension ladder 1 28-, 30-, or 35-ft. extension ladder

Ladder/Service Equipment (Table 544.A and 544.B)
Item Needed Equivalencies
Elevated stream device 1 1,000-gpm or larger
Large spray nozzle (500-gpm minimum) 1 500-gpm or larger (may be carried on a pumper)
Breathing equipment (SCBA) (30-minute minimum) 6 6 @ 30-minute or longer duration
Spare SCBA cylinders (30-minute minimum) 6 6 @ 30-minute or longer duration
Portable air cascade or air filling station is not equivalent.
Salvage covers (12-ft. x 18-ft.) 10 12-ft. x 14-ft. canvas or rip-stop plastic
Electric generator (2500-watt) 1
  • PTO driven inverter – prorated based upon its capacity
  • Mini-generator floodlight – prorated in 500w increments
  • Mini-generator ventilation fan – prorated in 1,000w increments
Floodlight (500-watt) 3
  • Tripod floodlight
  • Mini-generator floodlight
Smoke ejector 1
  • Positive pressure ventilation (PPV) fan
  • Mini-generator ventilation fan
  • Thermal imaging device
Oxyacetylene cutting unit 1
  • Hydraulic or pneumatic cutting tool
  • Plasma cutting tool
  • Oxy-gasoline cutting torch
  • Circular saw with composite blade
  • Thermal imaging device
Power saw 1
  • Chain saw with carbide tip cutting blades
  • Thermal imaging device
Handlight (4v wet, 6v dry) 4 Rechargeable 6v handlight
Pike pole (plaster hook) 2 @ 6-ft.
2 @ 8-ft.
2 @ 12-ft.
6 @ various lengths, similar type tool
Ladder 10-ft. collapsible (attic) 1 10-ft. folding
14-ft. extension 1 14-ft. combination
20-ft. roof 1 16-ft. roof (additional)
28-ft. extension 1 24-ft. extension
40-ft. extension 1 35-ft. extension (additional)

Miscellaneous Equivalencies
FSRS Item Needed Equivalency
Fire hydrant –
dry barrel
1,000 gpm 1,500 gpm (ANSI/AWWA C-502-05)
Fire hydrant –
wet barrel
1,000 gpm 1,500 gpm (ANSI/AWWA C-503-05)

For more information . . .
. . . on any topic related to the PPCTM program or the Fire Suppression Rating Schedule, click Talk to ISO Mitigation or call the ISO mitigation specialists at 1-800-444-4554.