A. This chapter establishes safety standards for the installation,
assembly, repair, maintenance, use, operation, disassembly, and
inspection of inflatable amusement attractions operated in the State.
B. COMAR 09.12.62 does not apply to inflatable amusement
.02 Incorporation by Reference.
In this chapter, the following documents are incorporated by
reference to the extent that they are referenced in this chapter:
A. The ASTM International Standards on Amusement Rides and
Devices: 7th Edition, F2374—04 Standard Practice for Design,
Manufacture, Operation, and Maintenance of Inflatable Amusement
Devices (2004) (ASTM F2374-04); and
B. The National Electrical Code, ANSI/NFPA #70-2005, which is
incorporated by reference in COMAR 20.50.02.02.
A. In addition to terms defined in Business Regulation Article, §3-101, Annotated Code of Maryland, in this chapter the following terms
have the meanings indicated.
B. Terms Defined.
(1) “ASTM” means ASTM International, originally known as
the American Society for Testing and Materials.
(2) “Attendant” means a person assigned to assist the operator
in attending to the safety needs of users.
(3) “Certificate of inspection of an inflatable amusement
attraction” means a certificate issued by the Commissioner of Labor
(4) “Exit” means a doorway or other opening affording safe
and unobstructed egress.
(5) “Fire official” means the authority having jurisdiction in
the locality over matters relating to fire prevention and explosion.
(6) “Inflatable amusement attraction” means an air-supported
amusement attraction that:
(a) Incorporates a structural and mechanical system; and
(b) Uses a high strength fabric or film that achieves its
strength, shape, and stability by tensioning from internal air
(7) “Inflatable Amusement Attraction Daily Inspection and
Daily Pre-Opening Checklist” means the Commissioner of Labor and
Industry’s form to be completed by the owner prior to the operation
of an inflatable amusement attraction.
(8) “Operator” means a person who is trained and who is
capable of identifying existing and predictable hazards involving the
inflatable amusement attraction operation, and has the authority to
control and eliminate any hazards.
(9) “Owner” means a person, the State or a political
subdivision of the State that owns an inflatable amusement attraction,
or if the amusement attraction is leased, the lessee.
(10) “Qualified person” means a person who has successfully
demonstrated the ability to solve or resolve problems related to the
subject matter or the work:
(a) By possession of a recognized degree, certificate, or
professional standing; or
(b) By extensive knowledge, training, and experience.
(11) “Rated capacity” means a capacity:
(a) Established by the manufacturer for the normal loading
and operation of an inflatable amusement attraction by weight or
number of users; or
(b) If the manufacturer has not established a capacity, as
established by the Commissioner after inspection.
(12) “Safety work order” means a written demand issued by an
authorized representative of the Commissioner to perform work that
has potential safety impact if not corrected.
(13) Serious Physical Injury.
(a) “Serious physical injury” means, for the purposes of this
regulation, an injury that requires medical treatment by a physician
other than one-time first aid.
(b) “Serious physical injury” does not include:
(i) An injury that does not ordinarily require medical
treatment, such as a minor burn, splinter, contusion, scratch, or cut
not requiring stitches; or
(ii) A diagnostic procedure, including examination and
X-ray, even though provided by a physician or other licensed
(14) “Special inflated amusement structure” means a fun
house, dark ride, walk through, haunted house, or any other similar
inflated amusement attraction that uses air pressure to support the
walls and roof of the structure.
(a) “User” means any person who is a participant in the use
of an inflatable amusement attraction as defined by the
(b) “User” does not include employees of the inflatable
amusement attraction owner while engaged in the duties of their
.04 General Responsibility for Compliance.
A. Each owner of an inflatable amusement attraction erected in
the State shall:
(1) Comply with the provisions of this chapter; and
(2) Ensure that the manufacturer’s recommendations,
specifications, and other requirements relating to safety in the
erection, operation, maintenance, repair, and disassembly of the
inflatable amusement attraction are followed.
B. In the event of a conflict between a regulation under this
chapter and a manufacturer’s specification, the owner shall comply
with the provision that best ensures the safety of the public as
determined by the Commissioner or his authorized representative.
.05 Registration, Inspection, and Notice of Operation.
A. Except as specified by law, an owner may not operate an
inflatable amusement attraction unless the Commissioner has issued
a certificate of inspection of an inflatable amusement attraction.
B. Annually, each owner shall register with the Commissioner
those inflatable amusement attractions that the owner intends to
operate in Maryland that year and file a certificate of insurance
indicating that the owner has obtained insurance in the amount of at
least $200,000 against liability for injury to an individual that arises
out of the use of the inflatable amusement attraction.
C. Request for Certificate Inspection.
(1) Each owner requiring a certificate inspection of an
inflatable amusement attraction shall notify the Commissioner that
the inflatable amusement attraction is ready for inspection by
submitting a completed inspection request form at least 30 days in
advance of the anticipated operation date.
(2) If there is a cancellation or change in the schedule of
location or dates after initial notification, an owner shall:
(a) Immediately notify the Commissioner by telephone; and
(b) Promptly confirm the change in writing.
(3) If an owner is unable to provide the Commissioner with the
required 30-day advance notice, the owner shall submit to the
Commissioner an inspection request form along with a detailed
explanation of the reason for the lack of advance notice. The
Commissioner may grant the inspection request contingent upon the
availability of State resources.
(4) The inspection request form shall be furnished by the
D. Notice of Operation.
(1) At least 5 business days in advance of anticipated operation
of an inflatable amusement attraction with a current certificate of
inspection, an owner of an inflatable amusement attraction shall
submit to the Commissioner an itinerary of scheduled locations and
(2) If there is a cancellation or change in the schedule of
location or dates after submission of the itinerary, an owner shall:
(a) Immediately notify the Commissioner by telephone,
email, or fax; and
(b) If by telephone, promptly confirm the change in writing.
A. Inspection Hours.
(1) Inflatable amusement attraction inspections will normally
be conducted during the business hours of 8 a.m. through 5 p.m.,
Monday through Friday, excluding holidays.
(2) The Commissioner may schedule inspections at other times
when the Commissioner determines that there are extenuating
B. The Commissioner may review the following as part of the
(1) The Daily Inspection Pre-Opening Checklist;
(2) The owner’s manual; and
(3) Other information as requested including, but not limited
to, the manufacturer’s specifications.
C. If after an inspection the Commissioner determines that
corrective action is necessary, the Commissioner may issue a safety
work order that details the required corrective action, including the
time allowed for abatement of each action.
D. In response to the issuance of a safety work order, the
(1) Grant an extension of the time allowed to abate the action;
(2) Deny or revoke a certificate of inspection of an inflatable
amusement attraction; or
(3) Issue a citation with a penalty.
E. If required, a certificate of inspection of an inflatable
amusement attraction shall be posted in public view on or in front of
the inflatable amusement attraction for which the certificate is issued.
.07 Special Inflated Amusement Structures.
A. For a special inflated amusement structure located in an
amusement park, carnival, or fair, the owner shall make a request to
the fire official for the jurisdiction where the amusement attraction is
located for fire safety inspection:
(1) Before operation at each location; and
(2) When there is a change in construction, materials, or
(1) At least two exits remote from each other shall be provided
for each floor, tier, room, or balcony in a structure that contains a
special inflatable amusement structure.
(2) An exit may not be less than 22 inches wide.
C. A certificate of inspection for an inflatable amusement
attraction issued by the Commissioner is valid for the inflatable
attraction only and does not address fire safety issues that may
require review by the local fire official.
.08 Information Panel and State Registration Sticker.
A. Information Panel.
(1) The information panel shall include the following, as
(a) Serial number, which is a manufacturer-issued or
owner-issued unique identifying number;
(b) Name of the inflatable amusement attraction;
(c) Manufacturer of the inflatable amusement attraction;
(d) Date of manufacture, which is the month and year of
manufacture, as determined by the manufacturer, if known;
(e) Direction of travel, if the direction of travel is essential
to the safe operation of the inflatable amusement attraction; and
(f) Rated capacity in weight or number of users.
(2) An information panel:
(a) Is required for each inflatable amusement attraction;
(b) Shall be printed in English; and
(c) Shall be designed to remain legible for the expected life
of the inflatable amusement attraction.
B. State Registration Sticker.
(1) The Commissioner shall issue a State registration number
and State registration sticker to each registered inflatable amusement
(2) If the registration number is no longer legible, the owner
shall notify the Commissioner for issuance of a replacement State
C. Each inflatable amusement attraction shall have the State
registration sticker on site in a readily visible location on the
inflatable amusement attraction.
A. Each owner shall obtain the manufacturer’s operations manual
(1) Read and become familiar with the contents of the
manufacturer’s recommended operating instructions and
(2) Keep the manufacturer’s operations manual on location
with the inflatable amusement attraction; and
(3) Provide a copy of the manufacturer’s operations manual, in
English, to the Commissioner on request.
B. Except as provided in §C of this regulation, an owner shall
ensure that an inflatable amusement attraction is operated in
accordance with ASTM F2374-04.6.
C. The owner shall set up and operate an inflatable amusement
attraction in accordance with the following:
(1) Inflatable amusement attractions may not be operated when
the wind speed is 25 mph or greater;
(2) Anchorage points installed near an entrance or exit of an
inflatable amusement attraction shall be connected in such a manner
as to minimize the potential for tripping, abrasions, or other injuries;
(3) Blowers and inflation tubes shall be positioned to prevent
kinks or bends in the inflation tube;
(4) Blowers and inflation tubes may not impede the ingress to
or egress from the inflatable amusement attraction; and
(5) Inflatable amusement attractions shall be anchored or
secured in accordance with the manufacturer’s specifications or the
(a) The on-ground anchor weight used for inflatable
amusement attractions shall be at least 75 pounds for bounce-type
(b) The on-ground anchor weight for slide-type rides over
15 feet tall shall be at least 500 pounds for each installed anchor
(c) Anchors shall be used at all of the manufacturer’s
required positions at all times for both indoor and outdoor use;
(d) Anchors can be straight stakes, screw stakes, ground
weights, or sandbag ground anchors, and must comply with the
(i) If straight stakes are used, they must range from 30
inches to 42 inches in length with at least 75 percent or more of the
length in the ground; and
(ii) The ends of the stakes should be covered to prevent a
(e) Tie-downs should be attached to a secure device or
permanent structure and attached so that they cannot slip off the
anchor during use;
(f) Tie-downs should not be attached to motor vehicles; and
(g) Tie-downs should comply with manufacturer’s
specifications or have a minimum tensile strength of 3,700 pounds or
370 pounds safe working load.
D. Operator, Attendant, and User Operating Requirements.
(1) For an inflatable amusement attraction less than 15 feet in
height, the owner shall provide the appropriate number of operators
and attendants as specified by the manufacturer.
(2) For an inflatable amusement attraction over 15 feet in
height, the owner shall follow the manufacturer’s specifications as to
the appropriate number of operators and attendants, but a minimum
of one operator and one attendant shall be provided.
(3) For an inflatable amusement attraction over 15 feet in
height, the owner shall follow the manufacturer’s specifications as to
maximum number of users.
(4) If the manufacturer’s specifications do not provide the
number of users, there shall be no more than two users on the
attraction and two users in a queue at any one time.
E. General Owner Obligations.
(1) The owner shall have a prohibition on the use of drugs and
alcohol for operators and attendants during the performance of their
(2) The owner shall prevent the use of an inflatable amusement
attraction when the attraction is not in operation.
(3) The owner shall ensure that the amusement attraction is
positioned at a location so that the operator has a clear view of the
user loading and unloading areas.
(4) The owner shall ensure that a designated operator shall
operate only one inflatable amusement attraction at a time.
(1) The owner shall ensure each inflatable amusement
attraction is under the direct control of an operator who has been
trained in the operation of the assigned inflatable amusement
(2) The owner shall ensure that a designated operator:
(a) Does not operate any inflatable amusement attraction
while under the influence of drugs or alcohol;
(b) Knows the use and function of all operating controls,
signal systems, and safety devices applicable to the inflatable
(c) Knows the proper user loading sequence and capacity of
the particular inflatable amusement attraction being operated;
(d) Remains stationed at the inflatable amusement attraction
(e) Has control of the inflatable amusement attraction at all
(f) Enforces applicable restrictions.
G. Operator and Attendant Identification.
(1) An owner shall issue to each operator and attendant
identification that is highly visible.
(2) The identification shall clearly indicate the following:
(a) The title, that is, operator or attendant;
(b) Either the name of the operator or attendant or an
identification number; and
(c) The name of the inflatable amusement attraction
(3) Before issuing any identification, the owner shall train the
operator and the attendant in accordance with §H of this regulation.
H. Operator and Attendant Training.
(1) The owner shall provide training to each operator and
attendant of an inflatable amusement attraction.
(2) An owner shall train operators and attendants in the
(a) Specific inflatable amusement attraction operational
policies and procedures consistent with the manufacturer’s
(b) Specific duties and responsibilities of the operator and
(c) Emergency procedures in the event of an abnormal
condition, interruption of power, or severe environmental conditions;
(d) Instructions on general safety procedures; and
(e) Additional instructions considered necessary by the
(3) As part of the training, the owner shall observe and
document each operator’s and attendant’s ability to operate an
inflatable amusement attraction.
I. Daily Inspection Program.
(1) The owner shall ensure that each inflatable amusement
attraction is inspected and tested by a qualified person each day
before operation, with a daily preopening inspection program that
complies with this subsection.
(2) The daily preopening inspection program shall include, but
not be limited to, the following:
(a) Inspection and testing of all user-carrying devices,
including tie-downs, anchors, blowers, and electrical systems;
(b) Inspection and testing of all automatic and manual
(c) Inspection and testing of control devices, and other
equipment provided for safety;
(d) Visual inspection of all fencing, gates, and guardrails;
(e) Visual inspection of the inflatable amusement attraction
structure, supports, electrical components, and wiring;
(f) Inspection of entrances, exits, stairways, ramps, and the
area surrounding the inflatable amusement attraction; and
(g) Confirmation of functioning communication system and,
where necessary, testing of all communication equipment.
(3) The owner of an inflatable amusement attraction shall
ensure that the Inflatable Amusement Attraction Daily Inspection and
Daily Pre-Opening Checklist is properly filled out and signed at the
completion of the daily pre-opening program.
(4) A copy of the Inflatable Amusement Attraction Daily
Inspection and Daily Pre-Opening Checklist shall be provided to the
Commissioner on request.
(5) Worn and damaged components shall be repaired or
replaced immediately and before operation.
.10 Accident Reporting.
A. Immediately after an accident involving serious physical injury
resulting from the operation of an inflatable amusement attraction,
an owner shall orally notify the Commissioner.
B. An owner shall submit a written accident report to the
Commissioner within 24 hours.
C. The report shall contain the following:
(1) Date and time of the accident;
(2) Name, address, and telephone number of the injured person
and parent or guardian information if the injured person is a minor;
(3) Age and sex of the injured person;
(4) Name and manufacturer of the inflatable amusement
(5) Description of the injury;
(6) Description of events related to the accident; and
(7) Name, address, and phone number of the inflatable
amusement attraction operator and attendant.
D. The Commissioner may prohibit the use of an inflatable
amusement attraction after an accident if the Commissioner
determines the following:
(1) The inflatable amusement attraction violates a regulation
under this title; or
(2) There is a substantial probability of death or serious
physical injury from continued use of the inflatable amusement
.11 Records and Reports.
A. The Inflatable Amusement Attraction Daily Inspection and
Daily Pre-Opening Checklist shall be:
(1) Signed by the person performing the inspection immediately
upon completion of the inspection;
(2) Kept with the inflatable amusement attraction or at an onsite
(3) Maintained for at least 30 days.
B. Identification Records. An owner shall maintain a record of the
name and identification number of each operator and attendant with
the following information:
(1) Inflatable amusement attraction that the operator and
attendant operated; and
(2) The date and location of operation.
C. Record of Training.
(1) Each owner shall:
(a) Maintain a record of training provided to each operator
and attendant; and
(b) Provide the Commissioner with a copy of the record of
training on request.
(2) The training record shall indicate the following for each
operator and attendant:
(a) The name or identification number;
(b) A detailed description of the training provided; and
(c) A list of all the inflatable amusement attractions for
which the operator and attendant received training.
.12 Design Criteria.
A. An owner shall ensure that an inflatable amusement attraction
is designed and manufactured in accordance with the criteria set
forth in ASTM F2374-04.5.
B. Upon request, an owner shall provide the Commissioner with
information to document compliance with §A of this regulation.
C. Copies of all documents provided to the Commissioner shall be
.13 Access, Egress, and Walking Surfaces.
A. Access to and egress from all inflatable amusement attractions
shall be free from all recognized hazards.
B. All walking surfaces including, but not limited to, loading and
unloading areas, platforms, landings, stairs, and ramps shall be
stable and slip-resistant.
C. If there is the potential for exposure to a fall distance exceeding
30 inches, the owner shall take steps to prevent such falls.
A. When a manufacturer or the Commissioner requires a
restriction on the use of an inflatable amusement attraction, such as
the age or weight of a user, a legible sign indicating the restriction
shall be posted in full view of individuals seeking admission to the
inflatable amusement attraction.
B. The location of the sign shall be:
(1) At the location specified by the manufacturer;
(2) At the entrance of the inflatable amusement attraction; or
(3) Close to the inflatable amusement attraction.
.15 General Environment.
A. All manufacturer wind-related and weather-related restrictions
shall be complied with.
B. In the event of lightning, winds gusting in excess of 25 mph, a
tornado watch, a severe storm predicted within a 5 mile radius, fire,
or other disturbance, an owner shall implement the following:
(1) Users shall be unloaded or evacuated safely from the
inflatable amusement attraction immediately; and
(2) The inflatable amusement attraction shall be closed and
(1) Each inflatable amusement attraction, including entrances
and exits, shall be illuminated to provide adequate visibility of the
(2) For the assembly and disassembly of inflatable amusement
attractions, all work areas shall be illuminated to provide adequate
.16 Fire Protection.
A. Flammable and Combustible Liquids.
(1) An owner shall store and handle flammable and
combustible liquids consistent with the applicable National Fire
Protection Association (NFPA) standards.
(2) An owner may not handle or fuel equipment with flammable
liquids within 20 feet of an inflatable amusement attraction.
(3) An owner shall store flammable and combustible liquids at
least 75 feet from an inflatable amusement attraction or other sparkproducing
B. Fire Extinguishers.
(1) An owner shall provide at least one portable fire
extinguisher listed and labeled with a 10-B:C rating.
(2) The fire extinguisher shall be located not less than 25 feet,
or more than 75 feet, from any:
(a) Flammable or combustible liquid storage; or
(b) Portable electric generator.
.17 Equipment and Materials.
(1) The owner shall ensure that machinery is guarded to
prevent contact with belts, fan blades, or similar moving components.
(2) Guards shall be:
(a) Designed to perform a specific task;
(b) Properly secured; and
(c) Properly maintained in a condition consistent with the
intent of the guard’s design.
(3) Before a guard is removed for maintenance purposes:
(a) The equipment shall be locked out or tagged out; and
(b) The guard shall be replaced before normal operation is
(4) A guard shall be designed so that it does not pose a hazard
B. Portable Electric Generators.
(1) A portable electric generator is not required to be grounded
if the portable electric generator:
(a) Supplies only equipment mounted on the generator; or
(b) Supplies power to the equipment through receptacles
mounted on the generator that are connected by plug and cord and
(2) If a portable electric generator does not comply with §B(1)
of this regulation, the owner shall ensure that a grounding electrode,
such as a ground rod, is used for any fault current.
(3) A portable electric generator shall be listed and labeled by
a Nationally Recognized Testing Laboratory.
(4) A portable electric generator may not be located:
(a) Near user or pedestrian traffic; or
(b) In locations that may be hazardous.
.18 Location and Operation.
A. Assembly and Disassembly.
(1) The assembly and disassembly of an inflatable amusement
attraction shall be performed:
(a) In accordance with the manufacturer’s procedures and
(b) Using only manufacturer specified components,
fasteners, tools, replacement parts, and materials.
(2) During assembly, parts shall be closely inspected to
discover excessively worn or damaged parts.
(1) Placement of the inflatable amusement attraction at the
location where it is to be operated shall ensure that:
(a) The inflatable amusement attraction will be on a level
and stable surface;
(b) The inflatable amusement attraction is compliant with
(c) There is continuous pedestrian traffic flow; and
(d) It is accessible by emergency personnel.
(a) Tie-downs and anchors used to support an inflatable
amusement attraction may not create a tripping or impalement
(b) The immediate area surrounding the inflatable
amusement attraction shall be clear of:
(i) Trees and shrubs, if they pose a hazard;
(ii) Trash; and
(iii) Other tripping hazards including, but not limited to,
(1) Except for equipment required for operation of the
inflatable amusement attraction, there shall be side and overhead
clearances of at least 48 inches between an inflatable amusement
attraction and any other object.
(2) Except for conductors supplying power to the device, an
inflatable amusement attraction may not operate under or within 15
feet of any power lines.
.19 Electrical Requirements.
A. Electrical systems, conductors, and equipment installed on or
used in conjunction with inflatable amusement attractions shall
conform to the requirements of the National Electrical Code, ANSI/NFPA #70-2005.
B. Each owner shall ensure that electrical systems required to
operate the inflatable amusement attractions are maintained by a
C. Wiring Methods.
(1) Flexible cords used with temporary and portable lights and
extension cord sets used in conjunction with inflatable amusement
attractions shall be:
(a) Suitable for location (physical damage);
(b) Suitable for use (outdoor);
(c) Suitable for voltage (insulation rating); and
(d) Adequate for ampacity (conductor size).
(2) Flexible cords and extension cord sets shall be continuous
without splice or tap between connectors.
D. Lighting systems. Lighting systems, including fluorescent
lighting systems, shall be:
(1) In good repair;
(2) Protected against accidental contact and breakage; and
(3) Capable of containing the pieces of a broken light should
.20 Rules of Procedure for Hearings.
All contested case hearings before the Commissioner shall be
governed by COMAR 09.01.02.
A. Application for Variance.
(1) An affected owner may apply to the Commissioner for a
variance from any regulation adopted under Business Regulation
Article, Title 3, Annotated Code of Maryland.
(2) An application for variance shall be in writing and shall
(a) The name and address of the applicant;
(b) Identification of the regulation from which the applicant
seeks a variance;
(c) The location, equipment, and practices involved;
(d) A detailed statement of the applicant’s reasons for
requesting a variance;
(e) A statement of the steps the applicant has taken and will
take, with specific dates when appropriate, to protect the public
against the specific hazard covered by the regulation; and
(f) Any request for a hearing.
B. Posting of Notice.
(1) Immediately on filing a request for a variance pursuant to
Business Regulation Article, §3-314, Annotated Code of Maryland,
an applicant shall post notice of the application at the place or places
where a certificate of inspection is required to be posted.
(2) The notice shall include:
(a) The name and address of the applicant;
(b) The date on which the application was filed;
(c) Identification of the regulation from which the applicant
seeks a variance;
(d) The location, equipment, and practices involved; and
(e) Notice to the public and affected employees of their right
to participate in the proceeding.
(3) The notice shall be maintained until the commencement of
C. Order of Variance.
(1) After investigation, on-site inspection, and such hearing as
the Commissioner may direct, the Commissioner may grant a
variance from a regulation under this chapter if:
(a) It is evident that action is necessary to prevent undue
(b) Existing conditions prevent practical compliance and the
reasonable safety of the public can, in the opinion of the
Commissioner, be ensured.
(2) An order of variance may require such special conditions
as are reasonably necessary to ensure public safety.
(3) A declaration, act, or omission of the Commissioner or the
Commissioner’s authorized representative, other than a written order
authorizing a variance as permitted above, may not be construed to
exempt, either wholly or in part, expressly or implicitly, any owner
from full compliance with the terms of any regulation under this
D. Modification, Revocation, and Renewal of Order of Variance.
(1) The Commissioner may modify, revoke, or renew an order
of variance in the same manner prescribed for the issuance of an
order of variance.
(2) An order of variance may not be modified or revoked unless
affected parties are informed of the proposed action and afforded an
(a) Submit written data, views, or arguments regarding the
proposed action; and
(b) Request a hearing on the proposal.
J. RONALD DEJULIIS
Commissioner of Labor and Industry