Page 114 - Demo

%u062c%u0645%u064a%u0639 %u0627%u0644%u062d%u0642%u0648%u0642 %u0645%u062d%u0641%u0648%u0638%u0629 %u0640 %u0627%u0625%u0644%u0639%u062a%u062f%u0627%u0621 %u0639%u0649%u0644 %u062d%u0642 %u0627%u0645%u0644%u0624%u0644%u0641 %u0628%u0627%u0644%u0646%u0633%u062e %u0623%u0648 %u0627%u0644%u0637%u0628%u0627%u0639%u0629 %u064a%u0639%u0631%u0636 %u0641%u0627%u0639%u0644%u0647 %u0644%u0644%u0645%u0633%u0627%u0626%u0644%u0629 %u0627%u0644%u0642%u0627%u0646%u0648%u0646%u064a%u0629114- 112-1 -Measuring duration of winch or crane cycle in minutes for each category of goods based on many observations on the berth and calculating the average of each category.2 -Convert these periods to average number of cycles per hour by dividing 60 minutes by the average cycle of the crane1.3 -Calculating average weight of the goods transported for each cycle, either from registration records or through direct observations.4 -The handling rate for each category equal number of cycles of the crane per hour times weight of the average load of each crane.5- Calculating average of working groups for each type of goods, and after obtaining the total numbers of productivity of different types of goods, which we need to calculate average productivity of berth through harmonic average, not simple weighted average of the total independent productions, as follows:A- Calculating the percentage of each type of goods in relation to total goods traded on the berth.B - Calculating Frequency rate for a group of workers according to types of goods with calculation of the total productivity achieved for the berth.C - Finding the relative coefficient for each quality by dividing the percentage of the category by the productivity.6- average productivity of the berth / hour equal percentage of group categories by total relative coefficients of categories according to average productivity of work groups in case of calculating actual average productivity of berth or according to theoretical averages of cranes in case of calculate average possible berth throughput. 1 Numerous studies conducted by UNCTAD experts proved that during one hour the winch can complete a number of cycles are 20 per hour at a rate of 3 minutes per cycle, assuming that number of workers and the rest of the auxiliary equipment is sufficient for all the types that the crane handles.