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Storage Tank Protection
High Volume Foam Monitors
Design Considerations
Determining Water/Foam RequirmentsCalculating the area of a circle: r2 = ft2
FT2x *Application Rate = GPM Water/Foam Solution
GPM Water/Foam Sol. x % Concentrate = GPM Foam Concentrate.
GPM Foam Concentrate x Recommended Duration (NFPA 11) = Total Gallons of Concentrate required on scene
*Application Rate per Square Foot
NFPA 11 recommends a minimum 0.16 gpm/ft2application rate for Type III.
Although 0.16 is a minimum much of the industry uses it as a standard.
Williams Fire & Hazard Control recognizes as the tank diameter increases, increasing the application rate must be considered.
Williams Recommended Type III Application Rates For Hydrocarbon Storage Tanks
0 - 150 0.16 GPM/Ft2
151 - 200 0.18 GPM/Ft2
201 - 250 0.20 GPM/Ft2
251 - 300 0.22 GPM/Ft2
300 + 0.25 GPM/Ft2
Example calculation for a 150 Storage tank:
75 x 75 x 3.14 = 17,662.5 ft2
17,662.5 x .16 = 2,826 gallons per minute required flow
(2,826 GPM would practically be rounded up to 3,000 GPM)
3,000 GPM x .01% concentrate = 30.0 gallons concentrate per minute30.0 Gal/concentrate for 65 minutes = 1,950 total gallons concentrate required (minimum)
Add 100% for reserve inventory (if required)
Minimum Foam Application DurationsCombustible Liquids (flash point < 100 F) = 50 minutes
Flammable Liquids (flash point > 100 F) = 65 minutes
Crude Oils = 65 minutes
Alcohols = 65 minutes
Minimum Foam Concentrate InventoriesCalculation for minimum foam inventory is (where D = Tank Diameter):
Minimum Foam Inventory =
(D x D) x 0.785 x (Min Application Density) x (% Proportioning) x (Application Duration)
Example calculation for an 80 Diameter Tank in Crude Oil Service:
(80 x 80) x 0.785 x 0.16 x .03 x 65 1568 gallons
Add for 100% Reserve Inventory (if required) + 1568 gallons
Total Minimum Foam Inventory 3136 gallons
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Storage Tank Protection
FootPrint Methodology
For US and Foreign Patent and Trademark information, please refer to page PI2
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Storage Tank Protection
FootPrint Methodology
For use of FootPrint methodology,
please contact Williams Fire & Hazard Control, Inc
For US and Foreign Patent and Trademark information, please refer to page IP2
US Patents
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Storage Tank Protection
Minimum Requirements for 1% Foam Concentrate -
Full Surface Protection Using High Volume Monitors*
Formula: (Tank Diameter)2 x 0.785 x Application Density x 0.01 x Duration (in minutes)
Based on NFPA 11, Hydrocarbon Fuels
*Does not include post extinguishment suppression
**Application Densities indicated as gpm/ft2
.16 .18 .20 .22 .25 .16 .18 .20 .22 .25
50 160 180 200 220 250 205 235 260 285 320
60 230 255 285 315 355 295 335 370 405 460
70 310 350 385 425 485 405 455 505 555 630
80 405 455 505 555 630 525 590 655 720 820
90 510 575 640 700 795 665 745 830 910 1035
100 630 710 785 865 985 820 920 1025 1125 1280
110 760 855 950 1045 1190 990 1115 1235 1360 1545
120 905 1020 1135 1245 1415 1180 1325 1470 1620 1840
130 1065 1195 1330 1460 1660 1380 1555 1730 1900 2160
140 1235 1385 1540 1695 1925 1605 1805 2005 2205 2505
150 1590 1770 1945 2210 2070 2300 2530 2875
160 1810 2010 2215 2515 2355 2615 2875 3270
170 2045 2270 2500 2840 2655 2950 3245 3690
180 2290 2545 2800 3180 2980 3310 3610 4135
190 2555 2835 3120 3545 3320 3685 4055 4610
200 2830 3140 3455 3925 3675 4082 4495 5105
210 3465 3810 4330 4505 4955 5630
220 3800 4180 4750 4940 5435 6175
230 4155 4570 5195 5400 5940 6750
240 4525 4975 5655 5880 6470 7350
250 4910 5400 6135 6380 7020 7975
260 5310 5840 6635 6900 7590 8625
270 5725 6295 7155 7440 8185 9300
280 6155 6770 7695 8055 8805 10005
290 6605 7265 8255 8585 9445 10760
300 7065 7775 8835 9185 10105 11485
Tank 50 Minutes 65 MinutesDiam (Flash Point > 100 F) (Flash Point < 100 F)
(Feet)
Application Densities ** Application Densities **
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Storage Tank Protection
Minimum Requirements for 3% Foam Concentrate -
Full Surface Protection Using High Volume Monitors*
Formula: (Tank Diameter)2 x 0.785 x Application Density x 0.03 x Duration (in minutes)
Based on NFPA 11, Hydrocarbon Fuels
*Does not include post extinguishment suppression
**Application Densities indicated as gpm/ft2
.16 .16 .18 .20 .22 .25 .16 .18 .20 .22 .25
50 480 540 600 660 750 615 705 780 855 960
60 690 765 855 945 1065 885 1005 1110 1215 1380
70 930 1050 1155 1275 1455 1215 1365 1515 1665 1830
80 1215 1365 1515 1665 1890 1575 1770 1965 2160 2460
90 1530 1725 1920 2100 2385 1995 2235 2490 2730 3105
100 1890 2130 2355 2595 2955 2460 2760 3075 3375 3840
110 2280 2565 2850 3135 3570 2970 3345 3705 4080 4635
120 2715 3060 3405 3735 4245 3540 3975 4410 4860 5520
130 3195 3585 3990 4380 4980 4140 4665 5190 5700 6480
140 3705 4155 4620 5085 5775 4815 5415 6015 6615 7515
150 4770 5310 5835 6630 6210 6900 7590 8675
160 5430 6030 6645 7545 7065 7845 8625 9810
170 6135 6810 7500 8520 7965 8850 9735 11070
180 6870 7635 8400 9540 8940 9930 10830 12405
190 7665 8505 9360 10635 9960 11055 12165 13830
200 8490 9420 10365 11775 11025 12246 13485 15315
210 10395 11430 12990 13515 14865 16890
220 11400 12540 14250 14820 16305 18525
230 12465 13710 15585 16200 17820 20250
240 13575 14925 16965 17650 19410 22050
250 14730 16200 18405 19140 21048 23925
260 15930 17520 19905 20700 22770 25875
270 17175 18885 21465 22320 24555 27900
280 18465 20310 23085 24165 26415 30015
290 19815 21795 24765 25755 28322 32184
300 21195 23325 26505 27555 30315 34455
Tank 50 Minutes 65 Minutes
Diam (Flash Point > 100 F) (Flash Point < 100 F)
(Feet)
Application Densities ** Application Densities **
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Monitor / Nozzle Packages
Product Detail:
Big Foot Trailer Mount 4,000 - 14,000 GPM
The Williams Big Foot Multi-Flow High-Volume Monitor is designed for the
extinguishment of massive petrochemical fires. The nozzle is constructed of all cor-
rosion resistant materials, such as anodized aluminum, stainless steel, and composite
plastics, and is capable of flows ranging from 4,000 - 14,000 GPM. The nozzle is
available with six separate stems in increments of 2,000 GPM each. The nozzle is
the self educting type, incorporating patented Hydro-Foam technology. Foam concentrate is supplied via remote jet ratio controllers, or
foam solution can be delivered from an independent proportioning system directly to the water inlets. The nozzle is constant flow, with straight
stream to full fog capabilities.
The trailer meets all applicable DOT regulations and is constructed of deep channel carbon steel. Ballast tanks are an integral part of the
trailer, providing stability and traction to counteract nozzle reaction forces. The internal water inlet manifold is constructed of 10 I.D. stainless
steel. Eight (8) ea., 5 storz (6 optional) inlet connections with caps are provided for water-foam solution supply. The full system capacity of
14,000 gpm requires a total of ten (10) 5 storz inlets. Each connection is protected from back flow using a six inch (6) full flow wafer check
valve. Two (2) ea., 4 inlets are provided (one each side) for foam concentrate supply. The tandem axle trailer has a gross vehicle weight rating
(GVWR) of 14,000 lbs. Mechanical/hydraulic surge brakes are activated via a heavy duty coupler terminating in a pintle hook connection. The
tongue is connected rigidly to the trailer using an A-frame arrangement for maximum stability. Non-skid designed upper decking. Stabilizing
jacks are provided at four points, providing maximum stability.
An operators panel is located aft of the nozzle. The elevated operating position provides a full view of fire ground operations. All controls
are manual gear operated and utilize state-of-the-art hydraulic systems to control vertical travel (+15 to +45), horizontal traverse (from 15
right/left of center), and nozzle fog/straight stream pattern.
Standard Trim and Accessories: 2 ea.- Concentrate Jumper Hose 4 x 10 ft. coupled storz
4 ea.- Jet Ratio Controllers 2.0 JP60
4 ea.- Drum Kits for Jet Ratio Controllers
1 ea.- Jet pump selection chart
1 ea.- nozzle flow chart
1 ea.- 4000 GPM stem
1 ea.- 6000 GPM stem
1 ea.- 8000 GPM stem
1 ea.- 10,000 GPM upgrade option
1 ea.-12,000 GPM upgrade option
1 ea.-14,000 GPM upgrade option
For US and Foreign Patent and Trademark information, please refer to page IP2
Big Foot- Trailer Mount
Nominal Flow @ 100 PSI
12,000 gpm
Nominal Range @ 100 PSI (straight stream)
@ 4,000 GPM 330 ft.
@ 6,000 GPM 350 ft.
@ 8,000 GPM 360 ft.
@ 10,000 GPM 390 ft.
@ 12,000 GPM 400 ft.
@ 14,000 GPM 430 ft.
Water Inlets (standard) Eight (8) 5 storz
Foam Concentrate Inlet Two (2) 4 storz
K- Factor, Maximum Flow 1400
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Hydro-Foam Technology
Big Foot Trailer Mount 4,000 - 14,000 GPM
*Two Optional inlets required for flows from 10,000 gpm to 14,000 gpm.
For US and Foreign Patent and Trademark information, please refer to page IP2
5 Storz Inlet
(Optional)
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Hydro-Foam Technology
Big Foot Hose Lay - For up to 8,000 GPM
For US and Foreign Patent and Trademark information, please refer to page IP2
(4)
(8)5WaterSupply
Hoses
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Ambassador 1 x 6 Monitor/Nozzle
Advancing the Fire Fighters Ability with
Equipment and Knowledge.
Description:This Hybrid nozzle has the unique capability to perform as an automatic
pressure or fixed gallonage nozzle. During automatic operation the nozzle will
respond to varying flows to maintain a nearly constant tip pressure, thus maximiz-
ing effective range for a given discharge flow. Once the nozzle reaches the fixed
gallonage set point (1000-6000 GPM), it performs as a conventional fixed gallon-
age nozzle. This is desirable for foam proportioning operations on storage tank
fires or other hazards requiring specific application rates. This nozzle is capable of Hydro-Foam proportioning at rates up to 6000 GPM @
3% (3000 GPM @ 6%) using remote jet pump technology. The extensive Ambassador options list allows this nozzle to be Hydro-Chem
capable with PKW flow rates from 25 lbs/s to 100 lbs/s. The single 8 full flow stainless steel waterway construction provides minimum friction
loss, maximum efficiency, and years of trouble-free service. The standard tiller-bar control provides full monitor articulation of 360 rotation
and down to -15 and up to +75 vertical travel. Pattern control from straight stream to full fog is accomplished via a full wrap-around handle
attached to the outer sleeve.
Standard Features:Dual Mode Automatic/Fixed Operation
Fixed Gallonage plugs:1K,2K,3K,4K,5K,6K
Hydro-Foam Capable Nozzle
Efficient Single 8 SS Monitor
Tiller-bar control
Wrap-around handle design for pattern control
Tandem axle trailer
Integral 8 carbon steel manifold
Five 5 non-clappered storz inlets w/caps
2.0 ball fixed height hydraulic surge coupler
Anti-skid grip surfaceFour point trailer jacks plus tongue jack
Standard grade Red Finish
Options:Hydro-Chem Tip conversion
Choke tubes (25, 50, 75 & 100 lbs./s)
Dry chemical manifolds (4,6,7, & 10 inlets)
*See Pages J10-J12
1.5JP30 Jet Pump w/stinger (one)
2.0JP60 Jet Pump w/stinger (three)
3-2.5 FNST x 3.0 MNPSH Siamese
1-2.5 FNST x 3-1.5 MNST Wye
10 SS integral manifold w/6-5 Storz inletsInternal 5 clappers
European adjustable tow bar
European lighting package
Gear operated monitor controls (vertical & horizontal)
Radio remote controlled electric/hydraulic/gear monitor controls
1-5 x 2-5 Jumbo Siamese (recommended w/std 8 manifold)
Premium (show grade) paint & finish
3 x 15 Dry Chemical Hose
3 Valved Siamese w/extra hoses for 100 lbs./s PKW
For US and Foreign Patent and Trademark information, please refer to page IP2
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Standard Features List:Dual Mode Automatic/Fixed Operation
Fixed Gallonage plugs: 1K, 2K, 3K
Hydro-Foam Constant/Selectable
1% or 3% Nozzle
Efficient Single 6 SS Monitor
Tiller-bar control
Wrap-around handle design for pattern control
Tandem axle trailer
Integral 8 carbon steel manifold
Three 5 non-clappered storz inlets w/caps
2.0 ball fixed height hydraulic surge coupler
Anti-skid grip surface
Four point trailer jacks plus tongue jackStandard grade Red Finish
Options:Hydro-Chem Tip conversion
Choke tubes (25 or 50 lbs/s)
Dry chemical manifolds (4 inlet or 7 inlet)
*See Pages J10-J12
1.5JP30 Jet Pump w/stinger (one)
2.0JP60 Jet Pump w/stinger (one)
3-2.5 FNST x 3.0 MNPSH Siamese
(Jet to Monitor Supply)
1-2.5 FNST x 3-1.5 MNST Wye
(Jet Pump Supply)
8 SS integral manifold w/3-5 Storz inlets
8 SS integral manifold w/2-6 Storz inlets
Internal 5 or 6clappersEuropean adjustable tow bar
European lighting package
Gear operated monitor controls
(vertical & horizontal)
Radio remote controlled electric/hydraulic/gear
monitor controls
Premium (show grade) paint & finish
2.5 x 10 Dry Chemical Hose
Monitor / Nozzle Packages
Product:
Ranger3
Description:The Ranger, featuring Smart Nozzle Technology, was designed for
todays Industrial fire fighting and protection needs. Hazards involving flammable
liquids in storage and liquids under pressure have met their match with the New
Millennium Equipment from Williams Fire & Hazard Control, Inc.
The Ranger monitor/nozzle combination is capable of not only self-
educting foam concentrate, but can do so while maintaining a nearly constant
pressure (+/- 10%) and a constant foam percentage (1% or 3% selectable) regardless of the flow rate. Discharge flow rates from 1000-3000
USGPM (3800-11356 LPM) can be water only, Hydro-Foam (using jet pumps or automatic constant/selectable metering) or Hydro-Chem
for extinguishing liquids and gases under pressure. All this and the operator is still afforded the freedom of smooth, rapid horizontal and vertical
movement that only the Ranger can provide, raising this monitor/nozzle above all others.
This Hybrid nozzle has the unique capability to perform as an automatic pressure or fixed gallonage nozzle. During automatic
operation the nozzle will respond to varying flows to maintain a nearly constant tip pressure, thus maximizing effective range for a
given discharge flow. Once the nozzle reaches the fixed gallonage set point (1000-3000 GPM), it performs as a conventional fixed gal-
lonage nozzle. This is desirable for foam proportioning operations on storage tank fires or other hazards requiring specific application
rates. This nozzle is capable of Hydro-Foam proportioning at rates up to 3000 GPM @ 3%. It can automatically maintain a nearly
constant foam percentage (1% or 3%) throughout the entire flow range while self-educting. It can optionally be configured to pro-
portion foam from remote locations using jet pump technology (thus forfeiting the constant/selectable metering feature). The exten-
sive Ranger options list allows this nozzle to be Hydro-Chem capable (without Hydro-Foam capability) with PKW flow
rates from 25 lbs/s to 50 lbs/s. The single 6 full flow stainless steel waterway construction provides minimum friction loss, maximum
efficiency, and years of trouble-free service. The standard tiller-bar control provides full monitor articulation of 360 rotation and down to
-15 and up to +75 vertical travel. Pattern control from straight stream to full fog is accomplished via a full wrap-around handle attached to
the outer sleeve.
For US and Foreign Patent and Trademark information, please refer to page IP2
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Monitor / Nozzle Packages
Product:
Hired Gun Trailer - 2000 GPM
Description:This Trailer Mounted System delivers 2000 gpm of water or foam solution @
100 psi. Hard anodized nozzle with fog/straight stream adjustment. Foam solution
is proportioned through one matched Jet Ratio Controller. Monitor is constructed
of 6 stainless steel epoxy coated, gear operated, with pressure gauge. Dual
handwheel control, horizontal and vertical positions. Heavy duty trailer includes:
diamond plate deck; tool box; and trailer hitch. Water inlet trim includes; 5 storz
clappered dual inlet siamese; 5 x 10 ft. hose coupled storz. Trailer is equipped with adjustable jacks for stability.
For US and Foreign Patent and Trademark information, please refer to page IP2
2 BALL COUPLER STANDARD
(ELECTRIC OR SURGE BRAKES OPTIONAL)
Hired Gun
Trailer Mount
Nominal Flow @ 100 PSI 2000 gpm
Nominal Range @ 100 PSI
(straight stream)
235 ft.
Water Inlet 5 storz
Foam Concentrate Inlet 2.5 NH (F) Swivel
Horizontal Rotation 360
Vertical Travel 0 to 85
Proportioning 1% or 3%
K-Factor 200
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Monitor / Nozzle Packages
Typical Hired Gun Layout
For US and Foreign Patent and Trademark information, please refer to page IP2
CLAPPERE
DJUMBO
SIAMESE
NOTE:
1.USEONE
JETRATIOCONTROLLER(2.0J
P60)FOR3%@2000GPM.
2.USETWO
JETRATIOCONTROLLERS(2.0JP60)FOR6%@2000
GPM.
JETRATIO
CONTROLLER
(2.0)JP60
1.5INLET
X2.5
DISCHARG
E
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Hydro-Chem Monitor / Nozzle Package
Product:
Patriot Ranger3
Quick Action Deck Gun, 1000-3000 GPM
Description:Hydro-Chem Monitor system includes: fog/straight stream constant pressure/
variable flow nozzle delivering from 1000 to 3000 gpm of foam solution @ 100 psi and
40 lb./sec of dry chemical (nominal flow). Foam solution is proportioned through one
matched Jet Ratio Controller. Monitor is constructed of stainless steel with red epoxy
finish. Nozzle is constructed of hard anodized aluminum alloy with stainless steel trim.
Equipped with quick action handle for fast, positive control. System includes: valved dry
chemical six inlet manifold; dry chemical inlet hose.
For US and Foreign Patent and Trademark information, please refer to page IP2
Patriot Ranger3
Deck Gun Quick Action
Nominal Flow @ 100 PSI 1000, 2000 or 3000 gpm
K-Factors @ 100 psi Variable 100, 200, 300
Nominal Range of dry chemical 100 ft.
Foam Concentrate Inlet 2.5 NPT (M)
Dry Chemical Inlet Nozzle 2 NPT (M) Valved
Water Inlet 6 150# flange
Vertical Travel 0 to +80
Horizontal Rotation 360
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Patriot Ranger3
Nominal Flow @100 psi 1000, 2000 or 3000 gpm
Water inlet 6 Flange
Foam Concentrate Inlet 2.5 NPT(M)
Horizontal Rotation 360
Vertical Travel 0 to +90
Proportioning without jet 1% or 3%
K-Factor (@ 100 psi) 100, 200 or 300
Monitor / Nozzle Packages
Product:
Gear Operated 6 Monitor
Description:This Fixed Mounted System delivers from 1000 to 3000 gpm of water or foam solu-
tion @ 100 psi. Hard anodized constant pressure/variable flow nozzle with fog/straight
steam adjustment. For remote application, 1% or 3% foam solution is proportioned
through one matched Jet Ratio Controller. Worm gear operated 6 waterway monitor
is constructed of stainless steel with stainless steel swivels. Dual handwheels control
horizontal and vertical positions.
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Hydro-Chem Monitor / Nozzle Package
Product:
Patriot 1- Worm Gear Deck Gun, 1000 GPM
Description:Hydro-Chem Monitor system, includes fog/straight stream nozzle, deliver-
ing 1000 gpm of foam solution @ 100 psi and 20 lb./sec of dry chemical (nominal
flow). Foam solution is proportioned through one 1.5 JP30 Jet Ratio Controller. Dual
handwheel 4 monitor is fabricated of stainless steel with red epoxy finish. Dual
Wafer Nozzle is constructed of hard anodized aluminum alloy with stainless steel
trim. System includes: valved dry chemical four inlet manifold; dry chemical inlet hose,
1.5 x 15 ft.
For US and Foreign Patent and Trademark information, please refer to page IP2
Patriot 1 Deck Gun
Worm Gear
Nominal flow @ 100 PSI 1000 gpm
K-Factor 100
Nominal Range of dry chemical 100 ft.
Foam Concentrate Inlet 2 NPT (M)
Dry Chemical Inlet Nozzle 1.5 Valved
Water Inlet 4 150# flange
Vertical Travel -10 to +90
Horizontal Rotation 360
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Hydro-Chem Monitor / Nozzle
Package
Product:
1.5 HC Ranger 250-1500 Deck Gun
Description:Hydro-Chem Monitor System, includes fog/straight stream constant
pressure/variable flow nozzle, delivering from 250 gpm to 1500 gpm of foam
solution @ 100 psi and 20 lb./sec of dry chemical (nominal flow). Foam solution
is proportioned through one matched Jet Ratio Controller. Monitor is constructed of stainless steel with red epoxy finish. Big Body Nozzle
is constructed of hard anodized aluminum alloy with stainless steel trim. Equipped with quick action handle for fast, positive control. System
includes: valved dry chemical four inlet manifold; dry chemical inlet hose, 1.5 X15 ft.
For US and Foreign Patent and Trademark information, please refer to page IP2
Patriot Ranger Deck Gun
Nominal Flows Variable (250-1500 GPM)
Nominal Flow @ 100 PSI 1500 gpm
K-Factor 150
Nominal Range of dry chemical 100 ft.
Dry Chemical Inlet Nozzle 1.5 Valved
Water Inlet 4 150# flange
Vertical Travel -25 to +80
Horizontal Rotation 360
MONITOR / NOZZLE PACKAGES MONITOR / NOZZLE PACKA