SPS 334.20(1)(a)(a) If cars or other components of an amusement ride may collide upon failure of normal controls, emergency brakes to prevent such collisions shall be provided.
SPS 334.20(1)(b)
(b) A braking mechanism shall be provided to bring the amusement ride to a controlled stop in the case of uncontrolled motion of the ride.
SPS 334.20(2)
(2) Anti-rollback devices. On amusement rides which make use of inclines where there is danger of collision if the propelling mechanism fails, automatic anti-rollback devices shall be installed to prevent backward movement of the passenger-carrying devices in case of failure of the propelling mechanism.
SPS 334.20 History
History: Cr.
Register, February, 1992, No. 434, eff. 3-1-92.
SPS 334.21
SPS 334.21 Speed-limiting devices. An amusement ride capable of exceeding its safe operating speed shall be provided with a speed-limiting device.
SPS 334.21 History
History: Cr.
Register, February, 1992, No. 434, eff. 3-1-92.
SPS 334.22(1)
(1)
General. All passenger-carrying devices shall be designed, assembled, operated and maintained in accordance with recognized safe practices.
SPS 334.22(2)
(2) Protection from lacerations, abrasions and punctures. Interior and exterior parts of all passenger-carrying devices with which a passenger may come into contact shall be free of abrasives and splinters, sharp edges and corners, protruding studs, bolts, screws and other hazardous projections.
SPS 334.22(3)
(3) Protection from impact injuries. Padding or other means to minimize injury due to passenger impact resulting from the action of the amusement ride shall be provided in accordance with recognized safe practice.
SPS 334.22(4)(a)(a) Securely attached grab bars, steps and similar devices that facilitate safe entrance and exit shall be provided in accordance with recognized safe practice.
SPS 334.22(4)(b)
(b) When provided, required or recommended by the manufacturer, positive locks to stabilize passenger-carrying devices shall be utilized to load and unload passengers.
SPS 334.22(4)(c)
(c) Entrances and exits shall be oriented to direct passengers to safe locations.
SPS 334.22(4)(d)
(d) Where a stirrup allows mounting on only one side of a merry-go-round figure, the stirrup shall be located toward the center of the amusement ride platform.
SPS 334.22(5)(a)(a) Securely attached restraining and support devices, such as but not limited to seat belts, lap bars, footrests and headrests, shall be provided in accordance with recognized safe practice.
SPS 334.22(5)(b)
(b) Seat belts, lap bars and similar means of restraint shall have connections or latches which cannot be readily or inadvertently released by the passenger.
SPS 334.22(5)(c)
(c) Chair swings shall be provided with crotch straps, or equivalent means of restraint for the passengers shall be provided in accordance with recognized safe practice.
SPS 334.22(5)(d)
(d) Restraining devices shall be replaced or repaired when worn or damaged to impair their function. Replacements for restraining devices shall be of equal or greater dimension, strength and padding.
SPS 334.22(5)(e)
(e) The passenger-carrying devices of amusement rides, such as but not limited to dark rides and miniature train cars, shall be provided with means to prevent passengers from standing if the distance from the floor of the device to an overhead object, such as a doorway, is less than 6 feet 8 inches.
SPS 334.22(5)(f)
(f) Where seat belts are provided for passenger-carrying devices of amusement rides, the belts shall be of a type acceptable to the manufacturer.
SPS 334.22(5m)(a)(a) Except as provided in
par. (b), the field attachment or connection of a passenger by an operator for a ride that elevates passengers off the ground, and necessitates passengers to don harnesses, shall utilize redundant means of attachment or connection or department approved equivalency on the primary attachment point between the passenger and the ride. Where carabiners are used to accomplish the primary attachment or connection, at least two locking hardened steel carabiners with a minimum breaking strength of at least 6,000 pounds each shall be utilized.
SPS 334.22(5m)(b)
(b) The provisions of
par. (a) do not apply to bungee jumping operations, bungee trampolines, or rock climbing operations.
SPS 334.22(6)(a)(a) If passenger-carrying devices of amusement rides require passengers to be a minimum height, this minimum height shall be posted at the ride entrance.
SPS 334.22(6)(b)
(b) Passengers shall abide by the posted height limitations required by passenger-carrying devices of amusement rides.
SPS 334.22 History
History: Cr.
Register, February, 1992, No. 434, eff. 3-1-92;
emerg. cr. (5m), eff. 8-13-07;
CR 07-086: cr. (5m)
Register February 2008 No. 626, eff. 3-1-08;
CR 08-054: r. and recr. (4) (b), cr. (4) (d), (5) (f) and (6) (b), renum. (6) to be (6) (a)
Register December 2008 No. 636, eff. 1-1-09.
SPS 334.23(1)(a)(a) Amusement rides shall be supported and restrained to maintain stability during operation and in emergencies.
SPS 334.23(1)(b)
(b) The foundation for an amusement ride shall conform to the specifications of the manufacturer.
SPS 334.23(2)
(2) Permanent foundation. Permanent foundations for amusement rides shall comply with
chs. SPS 361 to
366.
SPS 334.23(3)(a)(a) Blocks and shims used as temporary foundations shall be of sound material capable of withstanding the loads applied during normal operation and in emergencies. Hollow concrete blocks shall not be used. Blocking in contact with supporting surfaces shall be of proper size to prevent settling.
SPS 334.23(3)(b)1.1. Except as provided in
subd. 2., the height of a system of blocks above any level shall not exceed the width of the base of that level, as illustrated in Figure 334.23.
SPS 334.23(3)(b)2.
2. The department may approve a system of blocks not higher than twice the width of its base provided the stability of the amusement ride is not adversely affected and the amusement ride does not impart a horizontal load to the system of blocking.
SPS 334.23 Note
Note: This exception typically applies only to a small portion of the blocks which support a rigid structure (e.g., bumper-car enclosure), but not to thrill rides, rides with flexible structures, or tall structures or rides, such as slides and ferris wheels.
SPS 334.23(3)(c)
(c) Each piece of material used in a system of blocks shall be level and oriented so its height does not exceed the width of its base.
SPS 334.23(3)(d)
(d) All blocks shall be aligned, the angles between blocks used in a crib shall be approximately equal and the load shall be distributed to prevent tipping.
SPS 334.23(3)(e)
(e) Shims shall be limited to the minimum number required for leveling.
SPS 334.23(3)(f)
(f) Blocking shall be secured in accordance with recognized safe practice.
SPS 334.23(4)
(4) Anchorage. Amusement rides shall be staked, bolted, guyed, wind braced or otherwise secured in accordance with manufacturer's specification to prevent horizontal movement, such as rotating off blocking during an emergency stop or tipping over.
SPS 334.23 History
History: Cr.
Register, February, 1992, No. 434, eff. 3-1-92;
CR 01-139: am. (2) (a)
Register June 2002 No. 558, eff. 7-1-02;
CR 02-127: am. (1), (2) (a), (b) and (4)
Register May 2003 No. 569, eff. 6-1-03; correction in (2) (a) made under s.
13.92 (4) (b) 7., Stats.,
Register February 2008 No. 626;
CR 08-054: renum. (1) and (2) (a) to be (1) (a) and (2), cr. (1) (b), r. (2) (b) and (c), r. and recr. (4)
Register December 2008 No. 636, eff. 1-1-09; correction in (2), (3) (b) 1. made under s.
13.92 (4) (b) 7., Stats.,
Register December 2011 No. 672.
Figure 334.23
SYSTEMS OF BLOCKS
SPS 334.24
SPS 334.24 Access, egress and passageways. SPS 334.24(1)(1)
Hazards. Access to, egress from and passage through amusement rides shall be free of hazards.
SPS 334.24(2)
(2) Design loads. All stairways, ramps, platforms and passageways shall be designed and maintained to safely support a superimposed load of at least 100 pounds per square foot.
SPS 334.24(3)(a)1.1. Guardrails shall be provided at all open sides of platforms and passageways which are more than 24 inches above the ground or adjacent level.
SPS 334.24(3)(a)2.
2. Guardrails shall be provided between passenger-carrying devices and persons waiting on the platform or entranceway of a class 2 ride.
SPS 334.24 Note
Note: This rule is intended to keep frequenters from standing on the platform of himalaya-type rides while the ride is in motion.
SPS 334.24(3)(b)2.
2. If a guardrail is less than 42 inches high, the department may grant an exception if an equivalent degree of safety is provided.
SPS 334.24(3)(c)
(c) The top member of the guardrail shall be rigid and smooth and capable of withstanding a minimum load of 200 pounds applied downward or horizontally.
SPS 334.24(3)(d)
(d) Guardrails shall be designed and constructed with a rigid intermediate barrier, or equivalent, capable of withstanding a minimum load of 100 pounds applied downward or horizontally.
SPS 334.24(3)(e)
(e) Ropes, chains and similar devices may not be used as guardrails.
SPS 334.24(3)(f)
(f) Guardrails that serve stairways and ramps constructed or manufactured on or after January 1, 2009, shall be designed and constructed in such a fashion to reject a 4-inch ball at all openings, including the bottom of the guardrail and the surface upon which it rests.
SPS 334.24(4)(a)(a) All stairways, ramps, platforms and passageways shall be well-drained and kept free of debris, obstructions, projections, tripping hazards and other hazards.
SPS 334.24(4)(b)
(b) All stair treads, ramps and platforms shall have an abrasive or other type of slip-resistant surface.
SPS 334.24 Note
Note: A coefficient of friction of 0.5 or greater is considered to be slip-resistant.
SPS 334.24(4)(c)
(c) Tripping hazards which cannot be avoided due to the design of the device shall be provided with handrails, contrasting colors, illumination or signs.
SPS 334.24 Note
Note: The low rail of a bumper-car enclosure, electrical distribution boxes or guy wires are examples of these types of tripping hazards.
SPS 334.24(4)(d)
(d) Gaps between adjacent sections of fixed surfaces for walking shall not exceed one inch in width.
SPS 334.24(4)(e)
(e) Gaps between a fixed and a movable surface for walking or between 2 movable surfaces for walking shall not exceed 3 inches. The gaps shall be minimized by extending one surface under or over the other provided the extensions do not adversely affect the operation of the amusement ride or create a greater tripping hazard.
SPS 334.24(5)(a)(a) Except as provided in
par. (b), overhead clearance shall be not less than 6 feet 8 inches.
SPS 334.24 Note
Note: This rule is intended to apply to all areas of amusement rides where the frequenters walk or stand or are capable of standing during operation of the amusement ride.
SPS 334.24(5)(b)
(b) The department may accept lesser headroom clearances when the low overhead is part of the amusement ride; however, protection against head injuries shall be provided.
SPS 334.24(6)(a)(a) Tread width and riser height shall be of any combination that results in a stair angle between 30º and 40º to the horizontal. The riser height shall be at least 6 inches but not greater than 8 inches.
SPS 334.24 Note
Note: The following table presents typical tread-riser combinations which satisfy this rule.
-
See PDF for table 
SPS 334.24(6)(b)1.1. Except as provided in
subd. 2., the difference in width between treads and the difference in height between risers shall not exceed
3⁄
8-inch in any one flight of stairs.
SPS 334.24(6)(b)2.
2. To accommodate ground slopes, the riser distance from ground level to the lowest tread may be less than the rise of the other steps in the stairway.
SPS 334.24(6)(c)
(c) Stair treads shall be level in both directions except that a slight slope to improve drainage is acceptable.
SPS 334.24(6)(d)1.1. Handrails shall be provided on both sides of all flights of stairs that have 3 or more risers.
SPS 334.24(6)(d)2.
2. The handrails shall be located between 30 and 34 inches above the nose of the stair tread.
SPS 334.24(6)(d)3.
3. The handrail shall be rigid, smooth and capable of withstanding a minimum load of 200 pounds applied downward or horizontally.
SPS 334.24(6)(d)4.
4. Handrails shall be designed and constructed with a rigid intermediate barrier, or equivalent, capable of withstanding a minimum load of 100 pounds applied downward or horizontally.
