Aerial Ropeways - Environmental Clearance

EIA Guidance Manual– Aerial RopewaysAnnexure - 9Testing of CarrierMETHOD #1Sometimes referred to as signature testing, actual data is used to determine what testing is requiredfor fatigue testing. Determined by testing with independent certification the dynamic stress rangeand mean frequency of the frequencies produced by operation of a carrier on actual installations.The following tests shall be performed on the same carrier so that the test carrier will receive atotal of 5 million cycles.Test #1 Test #2- Upper Limit - Maximum stress produced - Upper Limit - Maximum stress produced byby a loaded carrier.an empty carrier.- Lower Limit - minimum stress produced - Lower Limit - minimum stress produced byby a loaded carrier.an empty carrier.Test for four million (4,000,000) cycles at Test for one million (1,000,000) cycles atrecorded frequency betweendeveloped frequency between Upper LimitUpper Limit and Lower Limit. and Lower Limit.METHOD #2Testing is accomplished by using values assigned or measured weights for the loads to be used infatigue testing. Measure and record the following weights:- Grip Weight, Maximum of specified sizes.- Hanger Weight, Maximum of specified sizes.- Chair/Cabin Weight, Maximum of specified sizes and extras, i.e. restraining bar, foot rest, bubble,etc.- Passenger Weight, 170 pounds (77.1 kilograms) per passenger to maximum specified capacity ofChair/Cabin.- Weight (dead plus live) = Grip Weight + Hanger Weight + Chair/Cabin Weight + Passenger Weight- Weight (dead) = Grip Weight + Hanger Weight + Chair/Cabin WeightThe following tests shall be performed on the same carrier so that the test carrier will receive a total of5 million cycles.Test #1 Test #2- Upper Limit 2.5 x Weight (dead plus live) - Upper Limit 2.5 x Weight (dead)- Lower Limit 0.5 x Weight (dead plus live) - Lower Limit 0.5 x Weight (dead)Test for four million (4,000,000) cycles at Test for one million (1,000,000) cycles atapproximately 200 cycles/minute between approximately 200 cycles/minute betweenUpper Limit and Lower Limits.Upper Limit and Lower Limits.76Administrative Staff College of India, Hyderabad