Gondola is widely used as a construction facility to perform external finishing work without using scaffolding at a construction site. However, since 2000, there have been 17 deaths from now so these risks associated with work can not be ignored. Therefore, it is expected that it will contribute greatly to prevent related disasters if introducing necessary measures to prevent repeated related disasters and installing additional safety devices. In order to eliminate the risk factor according to the operation of the gondola, it is necessary for the operator to use it to use it while the examination of each product is completed, and to use the over load Dangerous arbitrary measures such as arbitrary operation of the prevention device, removal of the safety fence for convenience of work, installation of the wire rope installed in the air, falling out of the wire rope and falling to the ground Do not perform such sealing measures so that any operation of the overload prevention device can not be done so as not to take such arbitrary measures, or wire the power supply wire to the safety fence so as not to delete the safety fence. Then, when the safety fence is removed, so that it does not become a gondola operation, or when replacing the wire rope in the air, to prevent the wire rope from coming off, Additional measures such as installing falling down prevention device may be necessary.

In order to create a safe and pleasant hydrophilic coast, the coastal maintenance projects are under way in the concept of the marine park. However, a lot of accidents are happened because of the unpredictable climate change and the accidents are increased due to the lack of safety in the Coastal Zone. The number of the accidents that the overtopping waves on the breakwater have swept the peoples on the breakwater into the sea result in the many deads, have grown in the recent. And the damage of facilities caused by overtopping wave have increased in addition to the casualties. In this study, the experiments of overtopping wave force acting on the handrail on the breakwater have conducted to consider the safety design for the handrail. Through the several types of the experiments, the dangerous wave patterns are identified, Also, the appropriate design guidelines and material for handrail to prevent the pullout of the anchor bolt are proposed.

많은 지자체에서 현재까지 연안침식방지 및 호안정비를 주목적으로 하는 연안정비사업을 추진해 왔다. 연안정비사업은 쾌적하고 안전한 바다공원 개념의 친수연안으로 조성하기 위하여 시행 중에 있다. 그러나 기후변화로 인하여 예측할 수 없는 사고들이 많이 발생하고 있으며 연안역에서의 안전사고가 증가하고 있다. 최근에는 월파로 인해 이용객이 휩쓸려 사망하는 등의 사고사례가 증가하고 있으며, 월파로 인한 피해는 인명피해 말고도 시설에 대한 피해까지 많이 나타난다. 월파로 인한 피해를 방지하기 위해 월파수 운동의 분석이 필수적이며, 현재까지 많은 연구가 진행되고 있다. 월파수 운동은 매우 복잡하며, 실제 월파수와 매우 비슷한 형상을 나타내는 공식들이 제안되었다. 국내의 항만시설물 안전시설 설계지침도 이를 기준으로 제정되어 사용되고 있다. 그러나 시설물의 파손 및 인명피해가 발생되고 있어 이에 대한 검토가 필요하다. 본 연구는 월파 발생시 방파제상 안전난간에 대한 적합한 설계지침을 위하여 난간에 작용하는 월파파력 실험을 실시하였다. 실험을 통하여 위험파고의 형태를 파악하였으며, 난간 설계시 인발을 방지하기 위한 적합한 방안을 제안하였다.