China's first domestic aircraft carrier began to hoist and replace the FRP life raft on the port side on June 21, indicating that its service period is approaching and will be unveiled in a new installation.
Water weight bags,also called water filled weight bags,load test water bags,it is designed to provide proof load testing service for the lifting equipment and structures.
Inspection and Test for Water-spray System:
1) With the boat in an upright position and in the light condition, run the engine at the rated revolution, then run the water-spray pump, the sprayed water film should cover the whole surface of the boat, and the pipe of water-spray system should have no leakage;
2) Successively trim the boat 5 degrees by the head and 5 degrees by the stern, and heel it 5 degrees to port and 5 degrees to starboard, the sprayed water film should cover the whole surface of the boat.