Nail Guns PowderActuated Tools

8/17/2019 Nail Guns PowderActuated Tools

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Powder Actuated Tool SafetyPowder Actuated Tool Safety


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How Are They Used?

• Powder actuated nail guns are ideal fornailing wood to concrete, as well as nailing basement walls to concrete foundations

• Shot loads of .22 or .2 calibere!"losi#es are used

• Powered by gun"owder

$cordite% in a controllede!"losion


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&hat ty"es of nails do they use?

• The nails, or fasteners, are made out of high'uality steel.

• Some are maga(ine fed while others aresingle shot "owder actuated.

• )irect acting* the e!"losi#e charge actsdirectly on the nail

• +ndirect acting* an

intermediate "iston is used


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&hy is safety a concern?

• Their o"eration is #ery similar to a handgun

• Although e'ui""ed with safety features,

they can become dangerous when not "ro"erly used

• The nailing force is significantly more

"owerful than that of a "neumatic nailgun


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elated Accidents

• An em"loyee was using a "owder actuated tool toinstall fasteners through metal dec-ing and into a

concrete floor abo#e.

•He shot at an angle, and the stud went through themetal dec-, ricocheted, and struc- him in the head,

-illing him.

• The accident occurred in alama(oo

/ounty, 0+.• The em"loyer was issued three

citations, two serious and one willful.


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elated Accidents

• 1ictim was wor-ing on the balcony.

• Another em"loyee, who stood on an ele#ated

"latform behind the #ictim, had a nail gun on his

belt.

• As this em"loyee turned around, the nail gun

automatically shot the #ictims shoulder.

• 1ictim fainted and fell o#er 34 feet to the groundand died.


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elated Accidents

• An em"loyee $deceased% was wal-ing u" behindanother em"loyee, the brother of deceased, was

"erforming framing ty"e wor- with a nail gun$Hitachi 5 67A%.

• The brother was in a -neeling "osition, when the#ictim wal-ed u" behind him, the brother turned$"artially stood u" and turned around% to s"ea-

with him and accidently "laced the nail gunagainst the #ictims chest, with his finger stillde"ressing the trigger of the nail gun, de"loyed anail into his chest, resulting in fatal in8ury


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elated Accidents

• A contractor was rehabbing the office ne!t

door to the barbersho" and using a high9

#elocity, "owder9actuated tool.

• The fastener he shot into the wall went

through a stud, into the barbersho" and hit a

man in the bac- of the nec-.• A se#en9figure settlement resulted. 7


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:SHA egulations

• 3;2


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:SHA egulations

• 3;2 = PP shall be in accordance

with Sub"art of this "art.

• 3;2


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Procedures to be followed

• 0a-e sure eye and face "rotection

is worn

• Post signs where tools are being used C in

ad8acent areas where tool use could "ose

ha(ard


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• 0a-e sure the tool meets A5S+ design C

construction re'uirements, standard A5S+

A34.793;;D, Safety e'uirements forPowder9Actuated Eastening Systems


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• 0a-e sure each tool has a readable,

"ermanent label that shows the

manufacturerBs* = 0odel number

= Uni'ue serial number


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• 0a-e sure "owder loads C "ower le#els are identified ass"ecified by the Powder9@oad +dentification Table*

• Use only a "owder load that is* = ecommended by the tool manufacturer

= :ne that "ro#ides the same le#el of safety C "erformance


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• 0a-e sure the tool is for the a""ro"riate 8ob

• 0a-e sure o"erator uses the tool safely

= +ns"ects the tool before use

= Use the tool as "er manufacturerBs instructions

= ee" tool unloaded until 8ust before using it

= Unload the tool once its use is done = 5e#er lea#e it unattended

= 5e#er "oint it $loaded or unloaded% at any "artof a "ersonBs body


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• 0a-e sure tools arenBt used in an e!"losi#e

or flammable atmos"here

• +f tool misfires*

= Hold it firmly against the wor- surface for 74

seconds

= Eollow the instructions in the tool

manufacturerBs instruction manual


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• Hold the tool "er"endicular to the wor-

surface when fastening to any material

• ee" the fastener from "assing com"letelythrough the structural material by using a

bac-ing material when

dri#ing a fastener into any

material that is thin or easily

"enetrated


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eferences

3. htt"*FFwww.homeaddition"lus.comF"roduct9re#iews9infoFPowder9Actuated95ail9

Guns.htm2. htt"*FFwww.lni.wa.go#F&+SHAFulesF"ort

able"owertoolsFHT0@F2;


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Thank you & be safe!!!

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Nail Guns PowderActuated Tools