SIGNS Required by CalOSHA

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SIGNSRequired by Cal/OSHA

• Paul R. Burnett
• Safety Program Administrator
• Santa Clara Valley Water District
• pburnett_at_valleywater.org

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Accident Prevention Signs

• As used in this section (8 CCR 3340), the word
  sign refers to a surface on which letters or
  other markings appear, prepared for the warning
  of, or safety instruction of, industrial workers
  or members of the public who may be exposed to
  hazards.
• 8 CCR 3340(b)

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Accident Prevention Signs

• Danger signs shall be used only where an
  immediate hazard exists.
• All employees shall be instructed that danger
  signs indicate immediate danger and that special
  precautions are necessary.
• 8 CCR 3340(c)(1)

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Accident Prevention Signs

• Warning signs shall be used to indicate a
  potentially hazardous situation which, if not
  avoided, could result in death or serious injury.
• All employees shall be instructed that warning
  signs indicate a potentially hazardous situation
  that could result in death or serious injury.
• 8 CCR 3340(c)(2)

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Accident Prevention Signs

• Caution signs shall be used only to warn against
  potential hazards or to caution against unsafe
  practices.
• All employees shall be instructed that caution
  signs indicate a possible hazard against which
  proper precaution should be taken.
• 8 CCR 3340(c)(3)

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Accident Prevention Signs

• The wording of any sign shall be easily read and
  concise. The sign shall contain sufficient
  information to be easily understood. The wording
  shall make a positive, rather than negative
  suggestion and shall be accurate in fact.
• 8 CCR 3340(e)

8
SLOW MOVING VEHICLE

• 8 CCR 3340(d)(6)

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BIOHAZARD

• 8 CCR 3340(d)(7)
• 8 CCR 5193(e)(2)(B)(4) (g)(1)(B)

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Laser Warning Signs

• Areas in which lasers are used shall be posted
  with laser warning signs and labels in accordance
  with American National Standards Institute (ANSI)
  Z136.1- 2000, American National Standard for Safe
  Use of Lasers, Section 4.7, which is hereby
  incorporated by reference.
• 8 CCR 1801(d), Nonionizing Radiation

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FLAMMABLE

• All (LP gas) containers in excess of 125 gallons,
  except transportation containers and fuel
  containers on motor vehicles, shall have the word
  FLAMMABLE on each side that is readily visible.
  The letters of this sign shall be standard-type
  letters and shall have a height of at least 1/12
  of the diameter of the container
• 8 CCR 489(a), Warning Signs on LP Gas Systems

13
No Smoking

• No employer shall knowingly or intentionally
  permit, and no person shall engage in, the
  smoking of tobacco products in an enclosed space
  at a place of employment.
• Where smoking is prohibited throughout the
  building or structure, a sign stating "No
  smoking" shall be posted at each entrance to the
  building or structure.
• 8 CCR 5148(a) and (b)(1)(A), Prohibition of
  Smoking in the Workplace

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NO SMOKING, OPEN FLAMES OR OTHER SOURCE OF
IGNITION PERMITTED WITHIN ______ FEET

• Warning signsshall be applied (with) letters at
  least 1 1/2 inches high, in sharply contrasting
  colors, on each stationary container or on a sign
  posted adjacent to the container (of LP gas).
• 8 CCR 489(b) see also 8 CCR 542(b)

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CAUTION POWDER-ACTUATED TOOL IN USE

• A sign at least 8 x 10 inches (20 x 25 cm), using
  boldface type no less than 1-inch (2.5 cm) in
  height, be conspicuously posted within 50 feet
  (15 m) of the area where the tools are being
  used. The sign shall bear wording similar to the
  following
• 8 CCR 1691(n), Operation of Powder-Actuated Tools

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Caution -- Ammonia

• in sharply contrasting colors, with letters at
  least 1/12 of the tank diameter in height, but
  need not be in excess of 1 1/2 inches for tanks
  500 gallons capacity or less or 4 inches for
  tanks exceeding 500 gallons capacity.
• 8 CCR 502(a), Anhydrous Ammonia Warning Signs

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Unlawful To Operate This Equipment Within 10 Feet
Of High-Voltage Lines of 50,000 Volts Or Less

• The owner, agent, or employer responsible for the
  operations of equipment shall post and maintain
  in plain view of the operator and driver on each
  crane, derrick, power shovel, drilling rig, hay
  loader, hay stacker, pile driver, or similar
  apparatus, a durable warning sign legible at 12
  feet reading
• 8 CCR 2947

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WARNING - LEAD WORK AREA POISON - NO SMOKING OR
EATING

• The following warning sign be posted in each
  regulated area or work areas where the exposure
  to lead exceeds the PEL.
• These signs are to be posted and maintained in a
  manner which assures that the legend is readily
  visible.
• 8 CCR 1532(m) 8 CCR 5216, App B 8 CCR 5198 App B

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JACKING GEAR IS ENGAGED

• The jacking gear shall be engaged to prevent the
  main engine from turning over. A sign shall be
  posted at the throttle indicating that the
  jacking gear is engaged.
• 8 CCR 8376(c)(1)(A), Ships Propulsion Machinery

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WARNING! COTTON DUST WORK AREA May Cause Lung
Injury (Byssinosis) RESPIRATOR REQUIRED IN THIS
AREA

• The employer shall post the following warning
  sign in each work area where the permissible
  exposure limit for cotton dust is exceeded.
• 8 CCR 5190(j)

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DANGER -- PERMIT-REQUIRED CONFINED SPACE, DO NOT
ENTER

• If the workplace contains permit spaces, the
  employer shall inform exposed employees and other
  employees performing work in the area, by posting
  danger signs or by any other equally effective
  means, of the existence, location of and the
  danger posed by the permit spaces.
• 8 CCR 5157(c)(2)

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EXPLOSIVES

• The front, both sides, and rear of the truck or
  trailer shall be posted with warning signs
  reading EXPLOSIVES in red letters at least 4
  inches high, with a 5/8-inch stroke on a white
  background.
• 8 CCR 5347(c), Transportation of Blasting Agents

23
RADIO TRANSMITTING PROHIBITED IN THIS AREA

• Warning signs shall be posted at all entrances to
  the well site with lettering RADIO TRANSMITTING
  PROHIBITED IN THIS AREA or equivalent. Lettering
  of the sign shall be at least 4 inches high in
  red letters with a 5/8-inch stroke on a white
  background.
• 8 CCR 5314(d)

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Warning - Disconnecting Switch - Do Not Open
Under Load

• Unless so interlocked that they cannot be opened
  under load, disconnecting switches shall be
  provided with permanent warning signs having
  letters at least 2 inches high and reading as
  follows
• 8 CCR 2835(h)

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ELEVATOR EMERGENCY CALL POLICE

• Where elevatorswithout a designated operator in
  the car, are locatedother than inresidential
  buildingsand are not provided with a telephone
  in the elevator carthey shall be provided withA
  sign that can be read from the adjacent sidewalk
  (with) letters not less than 2 inches high.
• 8 CCR 3041(a)(3)(A)

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Signs in Laboratories

• Prominent signsshould be posted
• Emergency telephone numbers
• Location signs for safety showers, eyewash
  stations, other safety and first aid equipment,
  exits
• Warnings at areas or equipment where special or
  unusual hazards exist.
• 8 CCR 5191 Appendix A

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DANGER ASBESTOS CANCER AND LUNG DISEASE HAZARD
AUTHORIZED PERSONNEL ONLY

• The warning signsshall bear the following
  information
• 8 CCR 1529(k)(7)(B)(1) 5208(j)(3)(B)(1)

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DANGER CADMIUM CANCER HAZARD CAN CAUSE LUNG AND
KIDNEY DISEASE AUTHORIZED PERSONNEL ONLY
RESPIRATORS REQUIRED IN THIS AREA

• Warning signsshall bear the following
  information
• 8 CCR 1532(m)(2)(B), Cadmium

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DANGER ETHYLENE OXIDE CANCER HAZARD AND
REPRODUCTIVE HAZARD AUTHORIZED PERSONNEL ONLY
RESPIRATORS AND PROTECTIVE CLOTHING MAY BE
REQUIRED TO BE WORN IN THIS AREA

• 8 CCR 5220(j)(1)(a), Ethylene Oxide

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CANCER-SUSPECT AGENT AUTHORIZED PERSONNEL ONLY

• Entrances to regulated areas shall be posted with
  signs bearing the legend
• 8 CCR 5209(e)(1)(A ), Carcinogens

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CANCER-SUSPECT AGENT EXPOSED IN THIS AREA
IMPERVIOUS SUIT INCLUDING GLOVES, BOOTS AND
AIR-SUPPLIED HOOD REQUIRED AT ALL TIMES
AUTHORIZED PERSONNEL ONLY

• Entrances to regulated areas containing
  operations covered in paragraph (c)(5)shall be
  posted with signs bearing the legend
• 8 CCR 5209(e)(1)(B), Carcinogens

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DANGER (INSERT APPLICABLE CHEMICAL NAME) CANCER
HAZARD AUTHORIZED PERSONNEL ONLY NO SMOKING OR
EATING RESPIRATOR REQUIRED

• 8 CCR 5214(l)(2)(A), Arsenic

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In case of fire Use stairway for exit Do not
use elevator

• All automatic elevators shall have not less than
  one sign at each landing printed on a contrasting
  background in letters not less than 1/2 inch high
  to read
• 8 CCR 3041(c)(6), Emergency and Signal Devices

34
WARNING - HIGH VOLTAGE KEEP OUT

• Permanent and conspicuous warning signs shall be
  posted on all doors or gates that provide access
  to enclosures containing exposed energized parts
  and conductors. Such signs shall be legible at 12
  feet and shall read substantially as follows
• 8 CCR 2811, Warning Signs (Vaults)

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HIGH VOLTAGE

• A conspicuous and permanent "HIGH VOLTAGE" sign
  shall be placed on the outside at the point where
  a high-voltage conductor enters the building.
• 8 CCR 2824(c)(4), Overhead Lines
• Where the conductors are not in conduit, a
  similar sign shall be placed on the inside of the
  building also, at the point of entrance.

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DANGER - UNSAFE ROOF KEEP OFF

• The roofs of tanks and reservoirs in service
  shall be externally inspectedat intervals not to
  exceed one year. Where a roof has been found to
  be unsafe or has not been inspected Legible
  signs shall be posted at all approaches to the
  tank or reservoir roofshall read "DANGER -
  UNSAFE ROOF - KEEP OFF", or equivalent wording in
  letters at least two inches (2") in height.
• 8 CCR 6803(a)

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STOP -- Tank Car Connected

• Caution signs shall be so placed on the track or
  (anhydrous ammonia) carand shall be left up
  until after the car is unloaded... Signs shall be
  of metal or other suitable material, at least 12
  by 15 inches in size and bear the words "STOP --
  Tank Car Connected" or "STOP -- Men at Work" the
  word, "STOP", being in letters at least 4 inches
  high and the other words in letters at least 2
  inches high. The letters shall be white on a blue
  background.
• 8 CCR 509(d)(1)

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Blue Stop Signs

• The employer shall provide blue stop signs for
  use by day, and in addition, blue lights
  fornight work, and cause them to be displayed
  before employees are permitted to work in, upon,
  or under any standing railroadcarswhere
  unanticipated movement or disturbance of
  suchcars might endanger employees or equipment.
• 8 CCR 3333(a)

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Unlawful to operate this equipment within 10 feet
of high-voltage lines of 50,000 volts or less

• Each ENG (Electronic News Gathering) vehicle
  equipped with elevating mast, dish, antenna, or
  similar apparatus, shall be posted with durable,
  permanent warning signs.
• 8 CCR 2981(e)(1)

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22 May 2000 LOS ANGELES -- The antenna mast of a
KABC-7 TV news van contacted power lines,
critically injuring reporter Adrienne Alpert, who
was covering a seat belt safety news conference
at Hollywood Forever Cemetery. Alpert had
third-degree electrical burns over 25 percent of
her body, losing half her left arm, half her
right leg, part of her left foot and several
fingers of her right hand.
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(Private Roads Mine Safety)

• Roads used for two-way traffic on which vehicles
  do not travel on the right side all the way shall
  be posted with signs indicating the side of the
  road to travel.
• Public and permanent railroad crossings shall be
  posted with warning signs or signals, or shall be
  guarded when trains are passing...
• 8 CCR 7014(e) and (i)

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(Private Roads - Earthmoving)

• On private roads used for two-way traffic,
  arrangements shall be such that vehicles travel
  on the right side as much as possible. Signs
  shall be posted to clearly indicate variations
  from this system.
• 8 CCR 1590(a)(2)

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(Safety Shower / Eyewash)

• Safety shower and eyewash fountain locations
  shall be made conspicuous by special marking,
  signs, or other identification.
• 8 CCR 6822(b)

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(Corrosive Samples)

• Warning signs or legends shall be conspicuously
  posted where the substance being sampled or gaged
  is corrosive.
• 8 CCR 6822(e)(2)

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(Falling Trees)

• An employee shall be stationed to direct traffic
  when there is a probability of danger in falling
  a tree adjacent to a railroad, cat road, motor
  road, or trail. Warning signs shall be posted on
  motor roads in areas of cutting.
• 8 CCR 6276

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(Energized Circuits)

• Where (energized) circuits existwarning signs
  shall be posted
• 8 CCR 1518(d)(1)

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(Traffic Control Signs)

• Specifications for the size and design of
  signsused for traffic control shall be as
  described in the "California Manual on Uniform
  Traffic Control Devices for Streets and Highways,
  September 26, 2006"which is incorporated by this
  reference.
• 8 CCR 1598(b)

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(Placement of Warning Signs)

• Placement of (traffic control) warning signs
  shall be according to the California Manual on
  Uniform Traffic Control Devices for Streets and
  Highways, September 26, 2006which is herein
  incorporated by reference.
• 8 CCR 1599(c)

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(Traffic Control Warning Signs)

• Before (telecommunications) work is begun in the
  vicinity of vehicular or pedestrian traffic which
  may endanger employees, warning signs and/or
  flags or other traffic control devices shall be
  placed conspicuously to alert and channel
  approaching traffic.
• 8 CCR 8604(a)

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(Energized/Moving Parts Danger)

• If work exposes energized or moving parts that
  are normally protected, danger signs shall be
  displayed and barricades erected, as necessary,
  to warn other personnel in the area.
• 8 CCR 8604(b)

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(Riding on Conveyors Forbidden)

• Riding vertical or inclined reciprocating
  conveyors shall be forbidden to all persons.
  Warning signs to this effect shall be
  conspicuously and securely posted at each point
  of access to platform or carrier. Lettering
  shall be not less than 2 in. (51 mm) high on a
  contrasting background.
• 8 CCR 3087.2(c)(2)

52
(Dangerous Area Sign / Barrier)

• If any dangerous or questionable ground is found
  in the roof or sides (of a mine tunnel), it shall
  promptly be made safe by one or more of the
  following means (1) Scaling or blasting down
  (2) Supporting (3) Backfilling (4) Erect
  barriers with warning signs to prevent entrance
  to the dangerous area.
• 8 CCR 7160(c)(4)

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(Unqualified Persons Keep Out)

• Entrances to rooms and other guarded locations
  containing exposed energized parts shall be
  marked with conspicuous warning signs forbidding
  unqualified persons to enter.
• 8 CCR 2340.17(b), Guarding of Energized Parts

54
(Circuit Feedback)

• Circuits shall be labeled at all accessible
  points with suitable warning signs stating the
  locations from which feedback may occur because
  of
• 8 CCR 2831

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(No Headroom)

• In existing installations, which do not comply
  with the minimum headroom clearance (6 feet 8
  inches), the obstruction shall be removed, or if
  this is impracticable, a suitable warning sign
  shall be placed near or on the obstruction so as
  to notify employees of its presence.
• 8 CCR 3272(b)

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(Scaffold Above)

• When a suspended scaffold is suspended over an
  area traveled by workers, the public or vehicular
  traffic, the ground area directly under the work
  zone shall be effectively blocked by means of
  barricades, or an attendant shall be stationed so
  as to keep the area clear. Warning signs shall
  also be posted below.
• 8 CCR 3285(b)

57
(Boatswains Chair Above)

• When a boatswain's chair or (a Controlled Descent
  Apparatus (CDA)) is suspended over an area
  traversed by workers, pedestrians or vehicular
  traffic, the ground area below and within the
  window cleaner's work zone shall be effectively
  blocked...or an attendant shall be stationed to
  keep the area clear. Warning signs shall also be
  posted below.
• 8 CCR 3286(a)(3)

58
(Motor May Start At Any Time)

• There shall be conspicuously displayed at all
  machines driven by electric motors that are
  controlled by fully automatic starters and which
  may injure employees, legible signs giving
  warning that the machines are automatically
  controlled and may start at any time.
• 8 CCR 3320

59
(Power Take-Off (PTO) Signs)

• Power Take-Off Guarding Signs, decals, etc.,
  shall be placed at prominent locations on
  agricultural equipment specifying that power
  drive system guards shall be kept in place.
• 8 CCR 3440(c)(3)

60
(Doorway Warning Signs)

• Warning signs shall be posted where (railcar)
  doorways open onto tracks, at blind corners and
  at similar places where vision may be restricted.
  
• 8 CCR 3332(d)

61
(Hazardous Atmosphere)

• To prevent inadvertent employee entry into spaces
  that have been identified as having hazardous,
  flammable or oxygen deficient atmospheres,
  appropriate warning signs or equivalent means
  shall be posted at all means of access to those
  spaces.
• 8 CCR 3461(l), Marine Terminal Operations

62
(Access Prohibited)

• Warning signs shall be conspicuously posted at
  each (cotton gin) lint cleaner stating that
  employee access to lint cleaner saws is
  prohibited until the lint cleaner has been
  deenergized and locked out from its energy source
  and saw cylinder rotation has stopped.
• 8 CCR 4640(g)

63
(Ultra-Violet Radiation)

• Areas, rooms or locations where equipment
  producing (ultra-violet) radiation is located
  shall be posted with warning signs or legends.
• 8 CCR 5079(b), Ultra-Violet Radiation

64
(Radio-Frequency Radiation Hazard )

• In areas where employee exposure may exceed the
  limits specified in part (b) of this section,
  employers shall provide warning signs containing
  the following information in the following
  manner
• Warning signs of RF radiation hazards containing
  the necessary information
• 8 CCR 5085(c)(1), RF/Microwave Radiation

65
(Radio-Frequency Radiation Hazard )

66
(No Cyanide in Nitrate Bath)

• No salt containing any cyanide or any organic
  compound shall be added to a salt bath containing
  nitrate. Proper warning signs to this effect
  shall be posted near all such baths.
• 8 CCR 5188(b)(1), Molten Salt Baths for
  heat-treating of metallic objects

67
(Fumigation)

• Doors and windows shall be closed and sealed and
  legible warning signs shall be posted at all
  entrances or approaches. Signs shall state
  premises under fumigation and type of gas used
  and shall not be removed till fumigation and
  ventilation are complete.
• 8 CCR 5223(a)(2), Fumigation

68
(Coyote Hole Blasting)

• The area being loaded for blasting shall be
  plainly marked both in front and on top of the
  bank to be blasted with appropriate warning
  signs.
• 8 CCR 5294(e), Coyote Hole Blasting

69
(Explosive Warning)

• Areas where explosive materials are regularly or
  frequently detonated or burned shall be fenced or
  provided with controlled access and posted with
  warning signs.
• 8 CCR 5330(b), Testing (of explosives)

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(Authorized Persons Only)

• Employees shall be prohibited from working below
  a building floor form installation, except those
  individuals actually engaged in this
  installation, removal, or inspection. Warning
  signs to this effect shall be posted at the
  perimeter of the affected work area.
• 8 CCR 1717(d)(6)(A), Falsework

71
(Unauthorized persons stay out)

• Signs meeting the requirements of the General
  Industry Safety Orders, Section 3340 shall be
  posted to warn unauthorized persons to stay out
  of the CDZ (Controlled Decking Zone - an area
  established specifically for the initial
  placement and securing of metal decking where
  access to the area is restricted).
• 8 CCR 1710(n)(6)(c)(4)

72
(Water for Handwashing Only)

• Handwashing facilities shall at all times meet
  the following standards Pure, wholesome, and
  potable water shall be available for handwashing.
  Signs shall be posted, indicating that the water
  is only for handwashing purposes.
• 8 CCR 3457(c)(2)(G)(4)

73
(Marine Terminal Signs)

• Every marine terminal shall have conspicuously
  posted signs as follows Locations of first aid
  facilities (and) telephones telephone numbers of
  the closest ambulance service, hospital or other
  source of medical attention, police, fire
  department, and emergency squad (if any) and
  locations of firefighting and emergency equipment
  and fire exits. Signs shall be clearly worded
  and legible, and shall contain a key word or
  legend indicating the reason for the sign. Key
  words are such words as Danger, Warning, Caution.
  Legends are more specific explanations such as
  High Voltage, Close Clearance, Pedestrian
  Crossing.
• 8 CCR 3465(d)

74
(Laundry Workers Warning)

• persons handling soiled clothes shall be warned
  by signs in their work area against touching
  eyes, mouth, or any part of the body on which the
  skin has been broken, abrased, or injured, and
  against touching or eating food unless their
  hands have been thoroughly washed.
• 8 CCR 4494(b)

75
(Gas Piping Shut-Off Valves)

• Signs clearly establishing the location and
  identity of (gas piping) section shut-off valves
  shall be provided.
• 8 CCR 4827(d)

76
(Warning Falling Materials)

• When debris is dropped through holes in the floor
  without the use of chutes, the area onto which
  the material is dropped shall be completely
  enclosed with barricades not less than 42 inches
  high Signs warning of the hazard of falling
  materials shall be posted at each level.
• 8 CCR 1736(f), Disposal of Waste Material in
  Demolition

77
(Falling Debris)

• Whenever waste material is dropped to any point
  lying outside the exterior walls of the building,
  enclosed chutes shall be used unless the area is
  effectively protected by barricades, fences or
  equivalent means. Signs shall be posted to warn
  employees of the hazards of falling debris.
• 8 CCR 1736(a)

78
(Warning Falling Tools)

• Waste, materials, or tools shall not be thrown
  from buildings or structures to areas where
  employee(s) may be located, unless the area where
  the material falls is guardedto prevent
  employee(s) from entering and being struck by
  falling objects. Signs shall be posted to warn
  employees of the hazard.
• 8 CCR 1513(g), Housekeeping in Construction

79
(Wheelchair Elevator Rules)

• Durable signs with lettering on a contrasting
  background shall be permanently and conspicuously
  posted at each landing indicating that passengers
  not in a wheelchair shall use the seat and seat
  belt, and passengers in a wheelchair shall secure
  the wheels of the wheelchair.
• 8 CCR 3094.3(f), Inclined Platform (Wheelchair)
  Lifts

80
(Pedestrian Traffic)

• Signs indicating pedestrian traffic shall be
  clearly posted at vehicular check-in and
  check-out lines and similar locations where
  employees may be working.
• 8 CCR 3475(f), Vehicles in Marine Terminal
  Operations

81
(Safety on Amusement Rides)

• The owner or operator shall use effective signs,
  videos, or other similarly effective means of
  advising patrons ofinstructions, limitations,
  restrictions, and warnings deemed necessary for
  patron safety... When signs are used for this
  purpose, they shall be permanently and
  conspicuously posted at each applicable permanent
  amusement ride.
• 8 CCR 3195.7(b)

82
(Floor Loading Limits)

• The live loads for which each floor or portion
  thereof of a commercial or industrial building
  shall have such design live loads conspicuously
  posted by the ownerusing durable metal signs,
  and it shall be unlawful to remove or deface such
  notices. The occupant of the building shall be
  responsible for keeping the actual load below the
  allowable limits.
• 8 CCR 3241(a)

83
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