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Title: Tools and Equipment
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Goal: this task will increase the success of the goal to apply Cal/OSHA safety suggestions.
John Mitchell published this Cognitive Task at isodoit.com under Industry | Construction
Doers: 1 | Form: Cognitive Task | Phase: Engagement | Type: Pre-Event | Level: 1 | Code:
Start: Dec 06, 2019 | When: | Duration: 5 Minute(s)
Steps:
  • The next Steps cover Cal/OSHA safety regulations for Tools and Equipment. Where appropriate, we have referenced the code from Title 8 of the California Code of Regulations.

    The topics we will cover in this isoBlog are:

    -General Requirements
    -Grounding of Power-Operated Tools
    -Guards Required by the Safety Orders
    -Control Switches for Powered Hand Tools
    -Powder-Actuated Tools
    -Concrete-Finishing Tools
    -Airless Spray Guns
    -Circular Power Saws
    -Miter (Chop) Saws
    -Radial Arm (Horizontal Pull) Saws
    -Table Saws
    -Band Saws
    -Chain Saws
    -Pneumatic Tools
    -Momentary Contact Device

    After each of the next Steps, select the 'successful' response to indicate that you have read and understand the Step.

    Select 'successful' now and proceed.
    response:
  • General Requirements

    General Requirements for Tools and Equipment Include:

    -Tools must be kept clean and in good repair

    -Only trained or experienced employees may operate tools, machines, or equipment

    -Power-operated tools must be grounded or of the double-insulated type. If double-insulated types or tools are used, the equipment shall be distinctively marked

    -Power-operated tools should be kept out of wet locations
    response:
  • Grounding of Power-Operated Tools

    Power-operated tools shall be grounded under the following conditions:

    -Utilization equipment used in hazardous (classified) locations (See Article 59)

    -Hand-held motor-operated tools, stationary and fixed motor-operated tools, and light industrial motor-operated tools

    -Motor-operated tools and utilization equipment of the following types: Drills, hedge clippers, lawn mowers, snow blowers, wet scrubbers, sanders, and saws

    -Tools likely to be used in wet and conductive locations.

    Notes: the followings shall not be required to be grounded:
    i. Listed portable tools or utilization equipment likely to be used in wet and conductive locations if supplied through an isolating transformer with an ungrounded secondary of not over 50 volts.
    ii. Listed or labeled portable tools and utilization equipment protected by an approved system of double insulation. Where such a system is employed, the equipment shall be distinctively marked.
    » Double-insulated type power-operated tools are not required to be grounded.
    response:
  • Guards Required by the Safety Orders

    Guards required by the Safety Orders (SOs) must not be removed or deactivated. 3942
    response:
  • Control Switches for Powered Hand Tools

    Control switches for powered hand tools are subject to the regulations noted below:

    -The following tools must be equipped with a constant-contact (dead-man) on-off switch:
    a. Drills
    b. Tappers
    c. Fastener drivers
    d. Grinders
    e. Disc and belt sanders
    f. Reciprocating saws
    g. Circular saws
    h. Chain saws
    i. Concrete vibrators
    j. Concrete breakers
    k. Concrete trowels
    l. Powered tampers
    m. Jack hammers
    n. Rock drills
    o. Tools similar to those above

    -Hoisting or lowering electric tools by their cords is prohibited
    response:
  • Powder-Actuated Tools

    Powder-actuated tools (PAT) shall be approved for their intended use as defined in 1505, or have California approval numbers.

    -Only trained workers holding a valid operator’s card may use a PAT. 1685(a)(1)

    -Containers must be lockable and bear a label that says POWDER-ACTUATED TOOL on the outside. The storage container must be kept under lock and key. 1687(a)

    -The PAT must be provided with the following:
    a. An operating and service manual.
    b. A power load and fastener chart.
    c. An inspection and service record.
    d. Repair and servicing tools.

    -Limitations on the use of PATs are as follows:
    a. Workers must not leave the tool unattended.
    b. Workers must not use the tool:
    1. In an explosive environment.
    2. On hard or brittle material.
    3. On easily penetrated or thin materials or materials of questionable resistance unless backed.
    4. Within a 1/2 inch of the edge of steel.
    5. Within 3 inches of the edge of masonry.
    6. On thin concrete.
    7. On spalled areas.
    8. On existing holes.

    -Requirements for operating PATs are as noted:
    a. Eye or face protection is required for operators and assistants.
    b. Operators must inspect the tool before using it.
    c. Defective tools must not be used.
    d. Tools must not be loaded until ready for use.
    e. Tools must be unloaded if work is interrupted.
    f. Operators must never point a loaded tool or an empty tool at anyone.
    g. The tool must be held in place for 30 seconds on misfire.
    h. Different power loads must be kept in separate compartments.
    i. Warning signs that say POWDER-ACTUATED TOOLS IN USE must be conspicuously displayed within 50 feet of a PAT operation.
    j. Misfires and skipped power charges must be stored and disposed of properly.
    response:
  • Concrete-Finishing Tools

    Concrete-finishing tools must be equipped with a dead-man-type control. 1698(d)
    response:
  • Airless Spray Guns

    Airless spray guns must have an automatic or visible manual release safety device or a diffuser nut and tip guard. 3559.1(a)
    response:
  • Circular Power Saws

    Circular power saws are regulated as follows:

    -Portable Circular power saws:
    a. Teeth on the upper half of the saw blade must be permanently guarded.
    b. Teeth on the lower half of the saw blade must be guarded with a telescopic or hinged guard.
    c. Saw guards must not be blocked open to prevent guards from functioning.

    -Self-feed Circular power saws:
    a. In addition to guards over blades as specified in 4296, feed rolls shall be protected by a hood or guard.
    b. The employer shall ensure that power feed devices are properly adjusted for each piece of stock in order to reduce the possibility of kickback.
    c. Every self-feed circular ripsaw shall be equipped with an anti-kickback device installed on the infeed side.

    Note: the arbor speed of circular saw blades shall not exceed speeds recommended by the manufacturer.
    response:
  • Miter (Chop) Saws

    Miter (chop) saws are regulated as follows:

    -With the carriage in the full cut position, a guard must enclose the upper half of the blade and at least 50 percent of the arbor end. 4307.1(a)

    -With the carriage in the full retract (raised) position, lower blade teeth must be fully guarded, and the guard must extend at least 3/4 inch beyond the teeth. 4307.1(b)

    -Employers shall instruct employees to keep hands and fingers outside the area below the blade until the blade has come to a complete stop. 4307.1(c)
    response:
  • Radial Arm (Horizontal Pull) Saws

    Radial arm (horizontal pull) saws are regulated as follows:

    -The upper half of the saw blade and arbor ends must be completely covered. 4309(a)

    -The sides of the lower exposed portion of the blade shall be guarded as per 4309(a)(2)

    -An anti-kickback device must be used during ripping operations. 4309(c)

    -Saws must return automatically to the table’s back when released. 4309(d)

    -Saws must have a stop provided to prevent the saw blade from passing the front edge of the table. 4309(b)
    response:
  • Table Saws

    Table saws are regulated as follows:

    -A hood must cover the saw to at least the depth of the teeth. 4300(a)

    -The hood shall automatically adjust itself to the thickness of the material being cut at the point where the stock encounters the saw blade. The hood may be a fixed or manually adjusted hood or guard provided the space between the bottom of the guard and the material being cut does not exceed 1/4 inch. 4300(b),(c)

    -Table saws must be equipped with an anti-kickback device during ripping operations. 4300(d)

    -Push sticks or push blocks shall be provided at the work place in the several sizes and types suitable for the work to be done. 4300(f)

    Note: the arbor speed of circular saw blades shall not exceed speeds recommended by the manufacturer.
    response:
  • Band Saws

    Band saws are regulated as follows:

    -All portions of the band saw blade must be guarded except between the guide rolls and the table. 4310(a)(1)

    -Band saw wheels must be enclosed. 4310(a)(2)
    response:
  • Chain Saws

    Chain saws are regulated as follows:

    -Chain saws must be equipped with a constant-pressure control that returns the saw to idling speed when released. 3425(a)(2)

    -Chain saws must have a clutch adjusted to prevent the chain drive from engaging at idling speed. 3425(a)(3)
    response:
  • Pneumatic Tools

    Pneumatic tools are regulated as follows:

    -Safety clips are required on pneumatic tools to prevent dies from being accidentally expelled from the barrel. 3559(a)

    -Pneumatic nailers and staplers must have a safety device that prevents the tool from operating when the muzzle is not in contact with the work surface. 1704(b). Exception: Light-Duty Nailers and Staplers

    -Pneumatic nailers and staplers must be disconnected from the air supply at the tool when performing any maintenance or repair on the tool, or clearing a jam. 1704(c)

    -The air hose of pneumatic nailers and staplers must be secured at roof level to provide ample but not excessive amounts of hose when an operator works on roofs sloped steeper than 7:12. 1704(d)

    -All pneumatic hoses exceeding 1/2 inch inside diameter shall have a safety device at the source of supply or branch line to reduce pressure in case of hose failure. 1704(e)

    -Jack hammer operators must wear personal protective equipment when required (see the isoBlog titled: 'Personal Protective Equipment'), including foot protection as per 3385. Jack hammer operators must also use hearing protection when noise levels exceed allowable exposure levels as per 5096(a)
    response:
  • Momentary Contact Device

    All portable pipe threading/cutting machines, portable power driven augers (earth drills), and portable power drives shall be permanently equipped with a momentary contact device. 4086
    response:
  • How much did this isoBlog help you to understand the Cal/OSHA safety regulations for Tools and Equipment, including:

    -General Requirements
    -Grounding of Power-Operated Tools
    -Guards Required by the Safety Orders
    -Control Switches for Powered Hand Tools
    -Powder-Actuated Tools
    -Concrete-Finishing Tools
    -Airless Spray Guns
    -Circular Power Saws
    -Miter (Chop) Saws
    -Radial Arm (Horizontal Pull) Saws
    -Table Saws
    -Band Saws
    -Chain Saws
    -Pneumatic Tools
    -Momentary Contact Device

    Select your response below.
    response:
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