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CAZ (Controlled Access Zones) CAZ Definition: Controlled access zone (CAZ) means an area in which certain work (e.g., overhand bricklaying) may take place without the use of guardrail systems, personal fall arrest systems, or safety net systems and access to the zone is controlled. CAZ

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slide2
CAZ
  • Definition:
    • Controlled access zone (CAZ) means an area in which certain work (e.g., overhand bricklaying) may take place without the use of guardrail systems, personal fall arrest systems, or safety net systems and access to the zone is controlled.
slide3
CAZ
  • OSHA Standards for the Construction Industry
    • 29 CFR Part 1926.502(g)
      • Controlled Access Zones and their use shall conform to the following provisions:
        • 192625021(g) thru 1926.502 (g)(5)
regulations
Regulations
  • CAZ area defined by:
    • Restricted Access
    • Control Line
      • Ropes, Wires, or Tapes
      • Clearly Flagged @ 6’ Intervals
      • 39”-49”
      • Min Breaking Strength: 200lb
      • Approx. parallel to working edge
      • Encloses all employees performing related work
regulations5
Regulations
  • Fall protection requirements for residential construction are set out in 29 CFR 1926.501(b)(13).
    • requires conventional fall protection for work at or over six feet
  • OSHA Instruction STD 3.1 modifies those requirements
osha instruction std 3 1
OSHA Instruction STD 3.1
  • Permits employers engaged in certain residential construction activities to use alternative procedures routinely instead of conventional fall protection
  • No showing of infeasibility of conventional fall protection is needed before using these procedures
osha instruction std 3 17
OSHA Instruction STD 3.1
  • A fall protection plan is required but it does not have to be written nor does it have to be specific to the jobsite.
  • Alternative procedures are available to employers who are:
    • (1) engaged in residential construction
    • (2) doing one of the listed activities…..
osha instruction std 3 18
OSHA Instruction STD 3.1
  • Definition of "residential construction."
    • Construction materials, methods and procedures are essentially the same as those used in building a typical single-family home or townhouse.
  • Residential construction is characterized by:
    • Materials: Wood framing (not steel or concrete); wooden floor joists and roof structures
    • Methods: Traditional wood frame construction techniques
osha instruction std 3 19
OSHA Instruction STD 3.1.
  • Listed Activities and Alternative Procedures
  • There are four groups of residential construction activities for which alternative fall protection plans are available.
listed activities and alternative procedures
Listed Activities and Alternative Procedures
  • GROUP 1. Installation of floor joists, floor sheathing, and roof sheathing; erecting exterior walls; setting and bracing roof trusses and rafters
  • GROUP 2. Working on concrete and block foundation walls and related formwork
listed activities and alternative procedures11
Listed Activities and Alternative Procedures
  • GROUP 3. This group consists of the following activities when performed in attics and on roofs: installing drywall, insulation, HVAC systems, electrical systems (including alarms, telephone lines, and cable TV), plumbing and carpentry.
  • GROUP 4. Roofing work (removal, repair, or installation of weatherproofing roofing materials such as shingles, tile and tar paper).
general requirements for group 1 activities
General Requirements For Group 1 Activities.
  • Training, Implementation/ Supervision By Designated Individuals, Controlled Access Zones, Plan Administration (required for all Group 1 activities).
training
Training
  • Each employee performing work in Group 1 activities must be trained in the requirements of the Plan.
implementation supervision
Implementation/Supervision
  • Competent Person
    • The employer must designate a Competent Person, who will be charged with implementing the Plan. The Competent Person must continually monitor compliance with the Plan, including the provision of training and the proper use of Controlled Access Zones.
controlled access zones
Controlled Access Zones
  • The CAZ must meet the following requirements:
    • Boundaries
      • The competent person shall determine the boundaries of the CAZ and clearly mark them with signs, wires, tapes, ropes or chains.
    • Monitor
      • The crew supervisor/foreman shall monitor the workers in the CAZ to ensure that they do not engage in unsafe practices.
controlled access zones16
Controlled Access Zones
  • Restricted Access
    • Access to the CAZ must be restricted to authorized entrants. An authorized entrant is a worker who has received the training described above
  • Final Check
    • Before work begins in the CAZ, the competent person must ensure that all protective measures in the Plan have been implemented.
plan administration
Plan Administration
  • Employer Enforcement
    • The employer is required to enforce the Plan. Unsafe practices or conditions must be corrected immediately.
  • Changes To The Plan
    • The employer must designate a qualified person to approve changes to the Plan.
erection of exterior walls
Erection of Exterior Walls
  • Designated, Trained Workers
    • The employer must designate the trained workers who will do this work.
  • Warning Line
    • A painted warning line six (6) feet from the perimeter will be clearly marked before any wall erection activities take place.
erection of exterior walls19
Erection of Exterior Walls
  • work must be done within a CAZ. A crew supervisor/foreman is required to monitor this work and warn anyone who approaches the unprotected edge. The warning line does not replace the monitor; it is an additional safety measure.
erection of exterior walls20
Erection of Exterior Walls
  • Staging of Materials
    • To minimize exposure to fall hazards, materials must be staged so that workers have quick and safe access to them.
  • Limit Fall Hazard Exposure
    • Workers constructing exterior walls shall complete as much cutting of materials and other preparatory work as possible away from the edge of the deck.
questions
Questions?
  • Thank You and Have A Great Afternoon