iwUrosOh6MFd0bXNRsLWwXQaepk0saoEnuFuJIlTqQbBxWOmdt3FqKbnHHzukTnmEI9tvWcb31Sl7x+8ppWrnktqV9/YYRHrl8KWy6B3Yp2ajSm6YOPhENTnGnQqPXtcLJVxeNIFJKLLg63AuYFZYbpnnuv70tlKwX8nUXFWcHnAM5JRAG8g2ODwral63tbePa2OocLr0AIygWsnaz63CgidPO7A3d9bnwpqKe9lo+iunT4lBoYX7KqbD3vYdFqt3M3w/gvzNg4AbVg90JQ+4BpAhIMv6i/EEp7RmgZ2aRr+2wAhr/PNi8ZqfwQSpRmc2U4ijKFHeO6uscSRz4HZ4Xc5/g8E3XF5Mej1h28PG1YFMypKkJ+oPWRIpqRRPtotXux+uaLu7u68q8+nmA71sPlJZ1B1pNC/J+COUGDBELcMhU+HHzRYGw==

该工程为斜坡式防波堤结构，北防沙堤总长10905米。本工程段堤顶高程+3.50米，长度5.87千米, 包括抛填砂垫层、打设塑料排水板、铺土工布、碎石垫层、抛堤心石、块石垫层、铺设栅栏板护面等。抛斜坡堤顶宽5米，顶部现浇倒L形混凝土胸墙。