Water supply basics: Hydraulics for pump operators - FireRescue1
2024年7月9日 · Every pumping operation begins with a water supply, and after initiating fire flows from the tank water on the apparatus, that likely involves connecting to a positive-pressure water source:...
Video: Drafting basics for firefighters - FireRescue1
2013年11月13日 · Rural and urban departments alike must understand the physics of lifting the water, pump operations and other drafting details
Drafting Confidence - Fire Engineering: Firefighter Training and …
2008年1月24日 · An engine can be equipped with a second separate primer unit specifically for the front suction. This option gives the pump operator the ability to accomplish the initial draft and water...
2015年3月25日 · In non-hydrant areas, drafting operations will be needed to help deliver that water supply. Drafting operations may be used at the fireground, in conjunction with a relay operation, or during tanker shuttle operations. The initial rural water supply tactic for rural water supply operations is referred to as attack tanker operations.
EO 1-4 Describe the basic operating practices when operating a pumper from draft. II. III. Based on the principle of creating a negative pressure (vacuum) inside the fire pump and allowing atmospheric pressure on the water surface to force water up the suction tube into the fire pump.
Drafting made easier for these rural FDs and next-gen firefighters
2022年1月20日 · The SAM system is making it easier and more efficient for fire departments that rely on drafting to get a rural water supply to a fire and making it safer for pump operators by freeing them...
What’s a good pump operator? A driver operator who has had all of the training required by NFPA 1002 and has passed the certification test? Or is it the person who knows how to move water and if needed could draft from a thimble to get water? Figure 1 shows a classic example of how a good operator can save Command’s
draft from a static water source. The ability to establish a draft and provide an uninterrupted supply of water to the fire ground will directly impact the outcome of the incident.
Firefighting Basics: Getting Water to and on the Fire, Part 3
2021年2月8日 · Depending on the type of water supply being used— hydrant or draft operation—the pump operator will either be able to accomplish this themselves on their own or will need the aid of another...
3.5 Drafting Guidelines - NWCG
2025年1月15日 · When drafting water, the air at atmospheric pressure is removed from the hose line, creating a vacuum (negative pressure) within the pump chamber. The atmospheric pressure (weight of air) on the water's surface forces the water up through the suction hose to the pump.
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