DAVID LOAD TEST .1 David Load Test Details DAVID BRAKE TEST .1 David Brake Test Details

MUH. HIDAYAT ARIF  D311 12 003 106 3.18 DAVID LOAD TEST 3.18.1 David Load Test Details 1. Function : to test the strength of the david construction by using water load that is placed in the water bag in lieu lifeboat. 2. Equipment : Load Cell, Water Bag, Telemetry Indicator, Hose, Shackle, and Stopwatch 3. Procedures : a. To install waterbag, load cell, shackle and telemetry indicator to become one connection system. Figure 88 : Installation of All Equipments b. To install above system on david contruction. Installation is done by hanging the system on david construction. Figure 89 : Installation Water Bag to David Construction c. Filling the water bag with water untill the water load in the water bag is same or exceed the original load lifeboat. Load value will be read in telemetry indicator. MUH. HIDAYAT ARIF  D311 12 003 107 Figure 90 : Water Condition During The Test Left and Water Load Visible in Telemetry Indicator Right d. After water load is similiar than original load, then david given time for 20 minutes for to hold the load. e. Take out water in the water bag. Figure 91 : Take Out Water 3.18.2 Result and Conclusion of Survey Design Load : 8387 kg or 8,387 ton Result of Load Test : 8,505 ton and 8,70 ton Time : 25 minutes 32 second Yard Standart : 20 minutes Conclusion : Acceptable 3.19 DAVID BRAKE TEST 3.19.1 David Brake Test Details 1. Function : to test the performance of a winch with automatic and manual control 2. Equipment : Load Cell, Water Bag, Telemetry Indicator, Hose, Shackle, and Stopwatch

3. Procedures :

a. To install waterbag, load cell, shackle and telemetry indicator to become one connection system. b. To install above system on david contruction. Installation is done by hanging the system on david construction and must be connect to winch wire. MUH. HIDAYAT ARIF  D311 12 003 108 Figure 92 : Installation Water Bag to David Construction c. Filling the water bag with water untill the water load in the water bag is same or exceed the original load lifeboat. Load value will be read in telemetry indicator. Figure 93 : Water Condition During The Test Left and Water Load Visible in Telemetry Indicator Right d. After water load is similiar than original load, for the first test, waterbag will bring down by the wire on the winch electrical control with a distance 5 meters. After that, braked and record the time. Figure 94 : Water Bag After Bring Down, Left and Right e. With the same test, waterbag lowered by the rope on a winch manual control. After that, braked and record the time. MUH. HIDAYAT ARIF  D311 12 003 109 Figure 95 : The Time of Waterbag Lowering f. Take out water in the water bag. Figure 96 : Take Out Water 3.19.2 Result and Conclusion of Survey Design Load : 8387 kg or 8,387 ton Result of Load Test : 4,2 ton x 2 = 8,4 ton Time : 5,1 second Conclusion : Acceptable 3.20 HOSE TEST 3.20.1 Reference