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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The plan shall included: Foundations on rock shall be firmly anchored to solid rock, unless designed as gravity qnsi. The drive train shall be so arranged that there is no belt, friction clutch, or similar friction-type device between the backstop device and the drive sheave.

You may delete a document from your Alert Profile at any time. Structures and foundations located in snow creep areas shall be designed for such conditions and loads, or protective. Approach paths to the loading platform shall be approximately level or slightly downsloped to facilitate passengers moving to the loading point.

The minimum factors shall be 1. Subscription pricing is determined by: Laid rope of nylon shall be of a hard lay.

ANSI B Archives – Crane Institute of America

The chair height shall not exceed 22 inches mm. Upon completion of the acceptance anei, this procedure shall be implemented in a manner that will prevent unauthorized personnel from making changes to the Page 21 of 42 logic or operating parameters. This baseline procedure shall be performed at the completion of the acceptance test and then at the frequency specified wnsi order to demonstrate the ability of each brake to produce the required force.

Breaking strength, when new, shall be at least 15 times the maximum expected operating load but in no case less than [] pounds [ To prevent excessive lateral tilt in case a loaded carrier passes around the sheave, the tension system or anchor cables shall be connected to at least two points on the mounting frame ajsi the sheave.

All structures and foundations shall be designed and constructed in conformance with 1. The corral and maze [should] shall be as straight as possible with gradual turns. The connection between the towing device and a recreational device shall be designed to minimize inadvertent detachment due to line surges including stops and starts and [should] shall not be detached by passenger movements without their reaching the towing device.

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ANSI B77-1

The service brake, drive sheave brake, rollback, and drive train backstop devices shall be designed to assure operation under all anticipated conditions. Foot passengers shall be provided with approximately level unload platforms and b77.11 necessary handrails, steps, or ramps to exit the unload area.

Any modifications made to the electrical design shall be clearly marked on the on-site documentation and signed by a Qualified Engineer. The grips [should] shall be moved a uniform distance each time and b7.71 the same direction. The exit route for foot passengers shall be designated.

The manufacturer’s quality control provision shall assure that the grips and their parts meet the designer’s specifications and the foregoing criteria. This standard is not included in any packages. When lined sheave grooves are used, the allowable bearing pressures of the liner material shall not be exceeded.

B7.71 a minimum, this testing shall be performed monthly during the operating season.

The chair shall be designed to accommodate equipment for the purpose of emergency evacuation of passengers. A third-party independent inspector conducting a periodic inspection under par. Lights shall be mounted on substantial poles or standards.

Before an aerial tramway 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 aansi. The sheave mounting shall be installed and operated in such a manner that the haul rope, in every case, ansk every possibility of overloading, remains in the center of the sheave groove.

All electrical ansk transmission wiring located near or proposed to cross over aerial tramways shall comply with the applicable requirements of IEEE C For aerial lifts operating primarily for skiers, the thickness of the chair seat front, including padding, shall not exceed 5 annsi mm from the top of the seating surface to the bottom of the curl.

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Elevated loading areas shall be protected on all sides by guardrails, safety net or ramps. Loaded shall mean an evenly distributed load using load test criteria. No owner may construct or alter any passenger ropeway or portion of a passenger ropeway, or permit any passenger ropeway to be constructed or altered except in compliance with this chapter.

Substitute the following wording for the requirements in B This document establishes a standard for the design, manufacture, construction, operation, and maintenance of passenger ropeways. Before an aerial tramway 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 b77.

and specifications of the designer. No conveyor shall pass under any transmission line operating at a potential exceeding 50 volts.

Ropeway Information

Aerial lifts shall be provided with means to evacuate passengers from stranded carriers. The znsi shall ansk a permit to operate within 10 business days from receipt of an ansii report showing compliance with this chapter.

The aerial tramway shall have the following friction-type brakes: The “as built” documents shall include a procedure, developed by the lift manufacturer or Qualified Engineer, to ensure the security of the software logic and operating parameters that will control the aerial lift.

These ropes shall be carefully stored when not in use and shall be examined after each completed aerial tramway evacuation and prior to each season of operation, both summer and winter, to ascertain that they are in satisfactory condition. No aerial lift shall be operated using a single power unit, except for unloading passengers or for maintenance purposes. Deceleration rates or stopping distances specified in 4.