ANSI B77.1 PDF

ANSI B Passenger Ropeways – Aerial Tramways, Aerial Lifts, Surface Lifts, Tows and Conveyors – Safety Standard. Buy ANSI B Passenger Ropeways – Aerial Tramways, Aerial Lifts, Surface Lifts, Tows And Conveyors – Safety Standard from SAI Global. Buy ANSI B Passenger Ropeways – Aerial Tramways, Aerial Lifts, Surface Lifts, Tows And Conveyors – Safety Requirements from SAI Global.

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Any modifications made to the electrical design shall be clearly marked on the on-site documentation and signed by a H77.1 Engineer. Prior to operation of newly installed aerial anzi or after any modification thereafter of the electrical system, the electrical system shall be tested and shown to meet [the requirements of] this [standard] Part and the test results shall be recorded. The communication system shall be functional and audible during operation.

Please first log in with a verified email before subscribing to alerts. When an aerial lift is designed for skiers to unload in close proximity to the haul rope terminal sheave, normally designated as bull wheel unloading, the following requirements aansi be met:.

The service brake and drive sheave brake shall be designed such that failure of one braking system shall not impair the function of the other systems.

ANSI B77-1

Entire code is always current. Design of all electronic controls and drives shall consider minimum sensitivity to electrical noise and electrical emissions, such as noise spikes from power lines and lightning, radio transmitters, thyristors SCRor solenoid or relay noise at levels and frequencies that could initiate loss of control. The Register date on each b771 is the date the chapter was last published.

When lined sheave grooves are used, the allowable bearing pressures of the liner material shall not be exceeded.

Movements shall be recorded in the Maintenance records see 5. The unloading area length, profile, unload point, and exit amsi shall be installed according to the aerial lift’s speed, terminal sheave location, and carrier type. Before a tow that is new or relocated or that has g77.1 been operated for routine maintenance within the previous 2 years is opened to the public, it shall be given a thorough inspection by [qualified personnel] the Wnsi to verify compliance with the plans and specifications of the designer.

Each braking system shall be capable of operation to comply with daily inspections and periodic testing. Before an aerial lift that is new or relocated or that has not been operated for routine maintenance within the previous 2 years is opened to the public, it shall be given a thorough inspection by [qualified personnel] the Commissioner to verify compliance with the plans and specifications of the designer.

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All windows shall be of shatter-resistant material. These ropes shall be carefully stored when not in use and shall be examined after each completed aerial lift evacuation and prior to each season qnsi operation, both summer and winter, to ascertain that they are in satisfactory condition.

If the document is revised or amended, you will be notified by email. As each towing device is relocated, the haul rope shall be examined for deterioration at or near the towing device location. Aerial lifts shall be provided with means to evacuate passengers from stranded carriers.

Before an aerial [tramway] lift that is new or relocated or that has not been operated for routine maintenance within the previous 2 years is opened to the public, it shall be given b771 thorough inspection by [qualified personnel] the Commissioner to verify compliance with the plans ans specifications of the designer.

Appropriate guards are required to reduce the risk of injury caused by catching equipment or passengers failing to unload and passing the unload point.

NOTE — Voice communication systems are not required for those surface lifts qualifying for operation by a single operator, as b777.1 in 5.

qnsi All structures and foundations shall be designed and constructed in conformance with 1. Fully enclosed passenger cabins shall be ventilated. Proceed to Checkout Continue Shopping. This standard is also available to be included in Standards Subscriptions. Each chair shall be equipped with a railing at each side, to a height of not xnsi than 4 inches mm above the seat for a distance of not less than 12 inches mm from the back of the seat.

Ropeway Information | NSAA

Load gates, artificial surfaces, and other loading aids when used shall be designed and installed ansl regards to all passengers including adaptive. The service brake, drive sheave brake, rollback device, and drive train backstop device shall be designed such that failure of one system will not impair the function of the other systems. The Department and other state agencies may have additional rules that affect the design, construction, maintenance and use of passenger ropeways, including chs.

All braking systems shall b771 designed and monitored to ensure that:. The service brake, drive sheave brake, and rollback device shall be designed to assure operation under all anticipated conditions. Grounding sheaves with conductive liners or equivalent means [should] shall be provided at one location for the purpose of grounding haul ropes and track cables, as applicable, for static electrical discharge.

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In determining the resistance of the soil to motion of the foundation, the subsoil conditions at the site shall be considered, including any buoyancy due to groundwater that may be present. Need more than one copy? The use of temporary circuits that have been installed for the purpose of bypassing failed electrical circuit s see 5. This baseline procedure shall be performed at the completion of the acceptance test and then at the frequency specified in order to demonstrate the ability of each brake to produce the required force.

Copies of standards incorporated by reference are on file in the offices of the department and the legislative reference bureau. All correspondence and documentation that is sent by the owner of a ropeway to a third party independent inspector addressing cited violations of this chapter shall also be sent by the owner ansii the department.

Wisconsin Legislature: SPS Note

See normative Annex D for public sign requirements. The manufacturer or a Qualified Engineer shall furnish a written procedure to be followed and specify the auxiliary equipment necessary for periodic testing and adjustment of the holding force of each brake, rollback, and backstop device.

Law Districts Session Drafting Files. Before an aerial [tramway] lift that is new or relocated or that has not been operated for routine maintenance within the previous 2 years is opened to the public, it shall be given thorough tests by qualified personnel to verify compliance with the plans and specifications of the designer.

Bottoms of foundations shall be below the normal frost depth unless resting on non-frost susceptible soil or solid rock. Testing shall be accomplished as part of normal maintenance during the operating season, but shall not be performed when the aerial lift is open to the public. The maximum capacity of each cabin, both in pounds and kilograms and number of passengers, shall be posted in a conspicuous place in each cabin see Annex D.

The service brake, drive sheave brake, rollback, and drive train backstop devices shall be designed to assure operation under all anticipated conditions. This marker shall be located to provide horizontal clearance between passengers at the “Wait Here” point and passing carriers.

A drive train backstop is only required of lifts installed after ahsi, existing lifts with drive train backstops shall comply with section 4.

All grips shall be moved at least once every [24] 12 calendar months.

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