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It is convenient for fighting and evacuation, and a circular fire lane should be set up. With the accelerating pace of urbanization, urban land is increasingly tight, which promotes the construction of high-rise buildings. Many high-rise buildings, due to poor consideration of fire prevention design and other reasons, have many congenital hidden dangers, and fires occur from time to time, causing heavy losses. In order to create convenient conditions for fire fighting and rescue work and ensure the safety of buildings, circular fire lanes should be set up around high-rise buildings. However, regardless of the size of the building, it is indeed difficult to require the circular fire lanes. Lanes can be set up along the two long sides of the building. In order to prevent the collapse of building components in case of fire from affecting the normal operation of the fire lane, the distance between the fire lane and the outer wall should be 5m. There should be no trees, overhead pipelines, etc. that hinder the operation of climbing fire engines between fire lanes and high-rise buildings. If the total length of the building exceeds 220m, a fire lane shall be set up to pass through the building. There is no inner courtyard in the building, there are ring fire lanes around it, and fire engines crossing the building need to be set up. Q: An L-shaped high-rise building has a total length of about 170m, a length of 120m along the street, and a length of 50m along the inner street (residential road). Do you want to set up fire lanes crossing the building? A: The relevant provisions of the "Construction Regulations" and "High Regulations" consider that there is no restriction on the length of the two wings on the premise of meeting the requirements of fire fighting and evacuation. The building only needs to set up a pedestrian passageway connecting the street and the inner courtyard at the part over 80m along the street, and there is no need to set up a fire lane. In the planning of fire lanes, in addition to the relevant provisions of the "Construction Regulations" and "High Regulations", attention should also be paid to海岸卫队（PCG）队长王曼婷英姿飒爽，坚守岗位，与海上紧急应对部队（STS）合作，保护我国海岸安全。电子业总裁乐笑天为安排人偷渡入境，要渔场老板国泰派人刺杀对头Lucas，混乱警方视线。曼婷等为追击杀手，来到国泰的渔场，杀手挟持国泰为人质……@电视剧之家邀请七位明星进行为期十四天、抛开工作、放下家庭、脱离朋友，没有后顾之忧的独立生活，由制作单位提供住所及基本生活所需，不局限被观察对象每天的行程与动作，一切皆凭其随心所欲，节目将以全实境的方式观察并记录这十四天他们的团体生活与自己相处的历程。2. The policy pattern provides an open-closed principle, making the code easier to understand and expand.节目全程跟踪记录这一个月中，孩子如何支出这笔家庭开支，重点关注在这期间父母家人与青春期孩子之间的感情碰撞、观念冲突、利益纠葛和爱恨交织，最终让孩子学会如何有计划地理财，教会父母如何尊重孩子，走近孩子的内心，化解紧张的家庭关系，找寻家庭和谐稳定的根源。