Full Description

Key changes to this Edition include:

Engineering TestsFree fall overspeed testingIndependent lab certificationTesting at max (45 degrees) and min angle of product capabilityFull load and no loadRe-Locatable LiftsNew definition for class of platform liftLevel surface detection more than 5% or 1:20 slope lift cannot runManufacturer to test for stability at top of travel when on a 5% slopeSignage regarding top landing alignmentElectrical connection means meeting NFPA 70 (can be on lift) Retractable or removable wheels to be monitored and lift only operable when retracted or removedMaintenanceNew definitions for Authorized personnel and Lift personnelUpdates to current code sections where new definitions applyNew section 11 for MaintenancePlatform-mounted sidewallsallowance for the installation of only one platform wallAny non access side of the platform with no wall shall be equipped with an edge protection device.A grab rail shall extend not less than 10mm (0.375 in.) nor more than 75 mm (.75in.) if equipped with protection on the top edge of the enclosure wall side wall running clearance to enclosure wall may be not less than 10mm (0.375 in.) nor more than 75 mm (.75in.) Emergency SignalsAudible signaling device to be located outside platform and outside the runwayAudible signaling device sound rating not less than 70dBA and not more then 80dBA 120" from liftLifts installed in areas not normally occupied when lift is in use shall be provided with a means of two-way conversation to building or emergency personnelAudio AlarmsMove from inside to outside the platform and runwayInstall alarm adjacent to the liftReduce dBA level from 80 down to 70 at 120" Safeties and GovernorsRemoval of the use of self-locking drive on residential inclines and stair chair liftsResidential inclines and stair chair lifts now require speed governorAlternate to speed governor can be substituted by systems designed so no overspeed can occur in the event of a single failure of a drive component

Product Details

Published: 02/26/2021 ISBN(s): 9780791873656 ANSI: ANSI Approved Number of Pages: 81 File Size: 1 file , 2.9 MB Redline File Size: 2 files , 7.6 MB