Personal Flotation Devices (PFDs)
Quick Tips #388
According to the U.S. Coast Guard, nine out of ten drownings occur on inland waters, within a few feet of safety. Most of the victims owned personal flotation devices but were not wearing them.
Personal flotation devices, commonly referred to as PFDs (also called life jackets and vests), are life-saving devices used in play and work situations. Most people are familiar with use of PFDs in boating, water sport activities and cruise ships. There are also other uses that are not commonly thought of including worker protection. Those who work on bridges, docks, ship repair and off-shore oil and gas rigs (to name a few) also use PFDs. When PFDs are required, their use goes far beyond just donning the device. There are certain procedures and criteria from agencies like the United States Coast Guard (USCG) that must be met to ensure that a worker is properly protected when wearing these devices.
PFDs work on the principle of buoyancy, and help keep a wearer’s head above water in case he/she physically cannot. There are different ratings for different types of PFDs. This rating depends on the buoyancy needed and the application of the device. The devices are rated as Type I, II, III, IV and V. These PFDs are required and/or recommended by the USCG and state law enforcement agencies for different applications. The minimum amount of buoyancy for each device type is listed below:
Type I = 22 lbs.
Type II (Near Shore Buoyant Vest) = 15.5 lbs.
Type III (Flotation Aid) = 15.5 lbs.
Type IV = 16.5 lbs.
Type V = 15.5 – 22 lbs.
According to the Personal Flotation Device Manufacturer’s Association (PFDMA) most adults need an extra 22 lbs. of buoyancy in comparison to their body weight to keep their heads above water.
The following list explains the types of PFD’s and what they are recommended by the USCG to be used for and when they are required.
Type I PFD’s – Off-shore life jackets: These are the best devices for all waters, open ocean, rough seas or remote water where rescue may be slow in coming. This type of device is also used as abandon-ship life jackets for commercial vessels and all vessels carrying passengers for hire.
Type II PFD’s – Near-shore buoyant vests: For general boating activities, calm inland waters or where there is a good chance for fast rescue.
Type III PFD’s – Flotation aids: For general boating or specialized activity that is marked on the device (such as water skiing, canoeing, kayaking, hunting etc.). These devices are best for calm inland waters or where there is a good chance for fast rescue.
Type IV PFD’s – Throwable devices: these devices are designed to be thrown to persons in distress. Often this type of device includes boat seat cushions, ring buoys and horseshoe buoys. These are not designed to be worn and should be supplemented by a wearable PFD. Both the throwable and wearable devices should be readily available for emergency situations.
Type V PFD’s – Special use devices: Used only for special uses and conditions. Typically these are labeled with their limits of use. Commonly these flotation devices are used for canoeing/kayaking, boardsailing, deck suits, work vests for commercial vessels and man over-board situations and law enforcement. Also included in this classification are hybrid inflatables. Hybrid inflatables are deflated devices and can be inflated on demand. These devices can have a buoyancy of between 22 and 34 lbs.
An important part of having and using a PFD is the fit. PFDs should fit comfortably and snug. It is important to try the PFD on before use. It should not ride up your body. To test whether the PFD has the correct buoyancy for your weight, when lying on your back in water and relaxing, the PFD should keep your chin well above water. If it does not, a device with higher buoyancy is needed.
Find even more information you can use to help make informed decisions about the regulatory issues you face in your workplace every day. View all Quick Tips Technical Resources at www.grainger.com/quicktips.
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