Construction Workzone Safety

1. SUBPART G, O, and W
Signs, Mechanized Equipment and Rollover
Georgia Institute of Technology
Presented By: Thomas Dean
(404) 894-8083

2. Most Frequently Cited (1999)
 1926.201(g)(1) Traffic signs at point of
hazard
 1926.201(a)(4) Flag person-warning
garments
 1926.201(a)(1) Flag person/traffic
control

3. Accident Prevention Signs
 Signs and symbols must be visible
 Promptly removed when hazard no
longer exists
 Must meet design criteria

4. Danger and Caution Signs
 Danger Signs
• Immediate hazard
exists
• Red for upper panel
with black outline
and white lower
panel
 Caution Signs
• Warn of potential
hazards or practices
• Yellow as color,
black upper panel
and borders with
yellow lettering

5. Exit Signs
 Must have legible red letters (six inches
high)
 White field
 Stroke of letters must be .75 inch wide

6. Safety Instruction Signs
 White with green upper panel with white
lettering to convey principal message
 Additional lettering in black

7. Construction Signs
 All traffic control signs or devices used
for the protection of workers must
conform with Manual on Uniform Traffic
Control Devices for Streets and
Highways (ANSI D6.1-1971)

8. Accident Prevention Signs
 Temporary means to warn employees
of an existing hazard (defective tools,
equipment)
 Not a substitute for signs
 Must meet requirements ofZ35.1-1968
and Z35.2-1968

9. Accident Prevention Signs
Background Safety Colors Copy
Specification
White Red Do not
Operate
White Black and Red Danger
Yellow Black Caution
White Black Out of Order

10. Signaling
 Flagmen are required when barriers can
not provide suitable protection
 Signaling must conform to ANSI D6.1-1971
(Manual on Uniform Traffic Control Devices
 Signals- red flag/paddles (18” square)
 Flagman must wear red/orange vest

11. Barricades
 Barricades for the protection of
employees must comply with the
Manual on Uniform Traffic Control
Devices for Streets and Highways

12. Subpart G, Most Frequently
Cited (1999)
 1926.602(a)(9)(ii) No reverse alarm
signal on earthmoving equipment
 1926.602(a)(9)(I) No horn on bi-
directional machinery
 1926.602c)(1)(vi) Industrial trucks not in
compliance with ANSI B56.1-1969
 1926.602c)(1)(vii)(A) Use of safety
platform

13. Motor Vehicles and Mechanized Equipment
 All motor vehicles left unattended at
night must:
• Have lights or reflectors
• Barricades with lights
• Parking brake must be set and wheels
chocked on incline
• Cab glass must be safety glass or
equivalent

14. General Requirement for Motor Vehicles
 A safety tire rack must be used when
mounting, removing, or inflating split
frame wheels
 All components of heavy equipment
must be blocked before employees
perform maintenance
 Must comply with 550(a)(15)

15. Motor Vehicles
 Braking systems (service, emergency,
and parking) must be operable
 Lights dependent upon visibility as
needed (minimum: head/tail lights)
 Operable brake lights
 Audible warning device (may include
back up alarm or spotter)

16. Motor Vehicles
 Cabs must have windshield/wipers
 Cab shield or canopy (if loaded with
power equipment)
 Employee transportation: seats/belts
 Operating levers to dump/hoist
equipped with latch
 Trip handles arranges to maintain
clearance of operators

17. Motor Vehicles
 Fenders for rubber tire equipment (in
some cases mud flaps accepted)
 Inspections are required. Inspect
brakes, tires, horn, steering, seating,
operating devices.

18. Earthmoving Equipment
 Equipment includes: scrapers, loaders,
tractors,bulldozers, graders and similar
 Seat belts (Society of Auto Engineers)
 Access and grade must be safe
 ROPS (under subpart W)
 Brakes must hold the full load
 Audible alarm and reverse alarm
 Power Shovel Association Standards apply
for excavating equipment

19. Lifting Equipment
 Lift truck operators must adhered to load
capacity and ensure it is posted
 Modifications have to be approved
 Training as required in 1910.178(l)
 Lifting personnel requires:
* Safety platform secured, power shut off,
and falling object protection

20. Pile Driving Equipment
 Boilers and piping must meet standards
of ASME, Power Boilers I, Pressure
Vessels (PV, Section VIII)
 Overhead protection
 Stop blocks for leads
 A blocking device
 Guarded to prevent the cable from
jumping out of sheaves

21. Pile Driving Equipment
 Safety chains to prevent line thrashing
 Two shut off valves (one lever type)
 Maintain stability of rigs (i.e.: guys)
 Designated person for signals
 Keep clear during hoist and blowout
 Access pits need to have ladders and curbs

22. Site Clearing
 Protection from toxic plants
 Equipment must have rollover guards
and overhead and rear canopy guards

23. Marine Ops./Equipment
 Material Handling covered under 1918
 Adequate access to barges (secured)
 Gangways must be: illuminated, have
no obstructions
 Decks must be maintained in safe
condition and safe for passage

24. Marine Ops./Equipment
 Provisions for rendering first aid must
comply with subpart D
 Coast Guard approved 30” life ring with
at least a 90’ of line and a ladder must
be provided
 Coast guard approved vest for working
near unguarded edges

25. Subpart W, Most Commonly
Cited (1999)
 1926.1000(b) Not providing ROPS on
equipment after 9/1/ 72
 1926.1000(e) Labeling of ROPS

26. Subpart W, ROPS
 Meet criteria in 1926.1001 and 1002
 If removed, replacement bolts must at
least equivalent to the original
 ROPS labeling (manufacturer, model, and
designated model to fit)
 Other requirements accepted for: State of
California, Corps of Engineers, and U.S.
Department of Interior