COF E21 Storage and use of power actuated tool

No. Power actuated tool shall only be used and handled by a qualified operator and Certificate of Fitness holder.

Any power actuated tools using ammunition must have a label stating that is has been approved by the Board of Standards and Appeals.

Small locked metal box used to store ammunition in quantities used for a day's work.

Except as otherwise provided in this code supervision by the holder of Any Department Certificate who is responsible for performing the duties set forth in FC113.2 but need not be personally present on the premises at all times.

• 1.The safe storage, supervision of the material, operation or facility and emergency preparedness
• 2. Notifying the department of any fire, explosion, reportable leak or other release of Hazardous material or other emergency related to the duties of his or her certificate.
• 3. Keeping such Certificate upon his or her person or otherwise readily available on the premises for inspection by any representative of the department at all times while conducting or supervising the material, operation, facility or emergency preparedness for which the certificate is required.

A shotgun, Rifle or Pistol Cartridge, and any Cartridge for propellant-actuated devices, Excluding ammunition containing bursting charges or incendiary, trace, spotting or pyrotechnic projectiles.

• In order to store, handle, and use power loads at construction sites and mercantile establishments it is necessary to obtain a permit from FDNY. Permits are required to store or 200 or more shells of power actuated magazines stripes or cartridges.
• To qualify for permit you need E21, $100,000 liability insurance and a site inspection by the FDNY Explosives Unit.

• A tool uses the high velocity principle is when a fastener is shot down a barrel as a projectile to penetrante the work surface.
• There is no piston to drive down the fastener. Cartridges and fastener that's all. It will fly all over the place and dangerous.

To make it simple it use a piston to drive the fastener and it becomes a low velocity. 95% of the gun powered

Coacting principle, Impact principle and Contact principle. CIC

The coacting principal is when the piston and the fastener are pushed up the guide so that the piston is in contact with the fastener, but fastener has a stand off from the work surface.

The impact principal is when the piston pushed back in the guide of the tool but the fastener is against the work surface

The Contact principle is when the piston in Contact with the fastener and the fastener in Contact is against the surface.

• Low velocity does not exceed 328 feet per second
• Medium velocity greater than 328 feet per second but not exceeding 492 feet per second
• High velocity is over 492 feet per second.

Low velocity does not exceed 328 feet per second

Medium velocity greater than 328 feet per second but not exceeding 492 feet per second

High velocity is over 492 feet per second.

• Power loads #1 through #6 are in brass color cases.
• Power loads #7 through #12 are in nickel colored cases.
• A basic six color code gray, brown, green, yellow, red and purple. These colors are in brass and nickel.

The main supply of ammunition shall be kept in a lock metal box.

Storage of powder-actual tools must be under the general supervision of a certificate of fitness holder. They must keep the key to the storage box in their possession.

The ammunition storage box must be kept away from heat and must not be stored in the same compartment or shanty in which compressed gases, or flammable liquids are kept.

• The compartment, shanty, and/or locked metal box shall bear a permanent sign with the words DANGER AMMUNITION in 2" white letters on a red background.
• A NO SMOKING SIGN with the correct Extinguisher location.

Yes. The shield should be used whenever fastening directly into a base material such as driving threaded studs or eye pins into steel or concrete. In addition to confining flying particles the shield also hold the tool perpendicular to the work.

In general power actuated tools are designed to be used in concrete and steel only.

Some examples of materials that are too hard would be hardened tool steel, granite, spring steel, or natural rock.

Poured concrete, pre-cast concrete, pre-stressed, concrete block and mortar joints (horizontal)

The tool user should never fasten closer than three inches from the edge of the masonry.

The holding power of the fastener results primarily from a compression bond of the masonry to the fastener shank.

A fastener is struck with an average hammer blow.

If the pointed portion of the shank does not extend through the steel, a part of the compressive force in the area of the point will act to force the fastener to back out.

Fastener are not common nails. They are manufactured from special steel and heat treated to produce a very hard, yet ductile Fastener. Ductile means bend not Shatter

If the material shows a clear fastener point impression and the fastener point is not blunted, the material is suitable for power actuated fastening.

If the fastener point is blunted, the material is too hard.

If the material cracks or shatters, the material is too brittle.

If the fastener sink into the material the material is too soft.

If a permanent, non-reusable fastening is desired, a drive pin should be used.

If a reusable installation is desired, use a threaded stud.

For a heavy duty application select a large shank diameter.

For a light duty application, select a small shank diameter.

It is important that the masonry be at least three times as thick as the fastener penetrantion. 3x

When fastening into average concrete, the fastener should penetrante 7 to 8 times the shank diameter.

In hard concrete, 5 to 6 shank diameters penetrantion would normally be sufficient for proper holding power.

In soft concrete, 9 to 10 shank diameter would be appropriate.

A breaking of the masonry on the surface. Spall does not greatly reduce holding power as it affects only the surface. Any angular forces may cause spall. Utilize the tool shield for stability.

Surface spall may be reduced or eliminated by using a smaller shank. Keep in mind that means less penetrantion.

When fastening into steel the point of the fastener should fully penetrante the opposite side because any embedded part of the fastener point tends to back the fastener out of the steel. Consider selecting shank lengths. Knurled shank fasteners hold better in steel compared to smooth shank fasteners.

DO NOT attempt to install a fastener through an existing hole in steel or any other material unless a positive guide is used to assure accurate location. Doing so could cause the fastener to hit the edge of the hold and fish-hook or ricochet.

NEVER attempt to fasten into a spelled or cracked area in masonry or into any area where a previous fastener has failed. Doing so could cause the fastener to fish-hook or ricochet.

• Never overdrive a fastener.
• Do not use a fastener to draw down a steel member. This could cause a springing action and over a period of time the fastener could be pulled loose.
• Never over tighten a nut on a threaded stud. This could cause the fastener to backed (jacked) out.
• Do not attempt to install fasteners into very hard or brittle materials.
• Always know the material you are fastening into especially in older buildings where the base material may be concealed.
• Check continually to avoid fastener into unsuitable material.

• DO NOT fasten closer then 3" from the edge of masonry.
• DO NOT fasten closer than ½ from the edge of steel.

*** a safe zone must be established behind the work area where powder actuated tools are being used by evacuating the area or placing a barrier constructed of ½ inch steel plate. ***

Powder actuated tools should be tested every day before loading to see that they are in safe and proper working condition.

Any tool that is found to be not in proper working order or one that begins to malfunction during use must be removed from use immediately, tagged out, and not used until property repaired.

• Never let bystander gather around when you are using the power actuated tool.
• Never load the tool until ready to make a fastening.
• Never carry a loaded tool from job to job.
• Always keep the tool pointed in a safe direction. Never place your hand in front of the barrel of a loaded tool.

The power actuated tool should be stored unloaded in a locked container when not in use.

Always check the chamber for foreign matter before loading.

Do not use the tool in an explosive or flammable atmosphere.

Never attempt to force a power load into a tool chamber.

• In the event of a misfire hold the tool firmly against the work surface for a period of (30) thirty seconds.
• Unfired power loads must not be thrown metal objects in the same container, apron pocket or pants pocket with power loads.

• Failure to properly dispose of charges is a common OSHA safety violation as well as a potential fire (explosive) hazard.
• Never dispose unfired power loads into a trash can.
• The defective unspent cartridges should be stored in bucket of water or similar type of container.

Do not leave a loaded tool unattended, especially where it would be available to unauthorized persons.