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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　　小说讲述了男主（Weir）与女主（Prapye）第一次相见就被她深深吸引，让他觉得自己不再是一个人，但是女主居然是男主的奶奶，他该如何应对这突如其来的心动？？他只能暗暗提醒自己“她是你的奶奶”。本剧讲述了芭蕾舞者简娜莉在火灾中救下了大集团继承人文昊，两人从此结识并相爱。三年之后，文昊在湖边向简娜莉求婚，但是在回去的路上，发生了车祸，文昊为了救简娜莉而去世。简娜莉十分伤心，她来到求婚的湖边，回忆以往美好的点滴。一场奇怪的暴风雨，打翻了简娜莉的小船。水中出现了一位神明，告诉简娜莉可以给她一个机会让她回到过去，拯救文昊的性命。简娜莉接受了，她回到了火灾发生之前。这次，简娜莉为了救下文昊，决定远离他。文昊得救后，和简娜莉同父异母的姐姐相爱了。但命运仍安排简娜莉和文昊见面，在偶然相处中，文昊发现自己无法控制对简娜莉的感情，两人最终还是走在了一起。简娜莉也终于明白，不管命运怎样兜兜转转，真爱始终会回来。庞取义不做犹豫，左手提着老胡，右手抓来军丁：敲钟，能打的都给我叫上，说清楚了，十余毛贼而已，不会输。却绝没有那种臭味，她觉得好过多了。原本和睦的一大家，平淡的日子过得有亲有爱，突然天降巨款在眼前，他们会怎样。四个儿女各有各的难处，大女儿常梅家，正赶上女儿要出国留学；二女儿常丽，丈夫开公司赔了一大笔，正等着钱翻身；三女儿常兰虽经济条件还算不错，但也没富到那去，贷款买了套期房，现在还租房寄人篱下，唯一的儿子常江，正等着钱买房结婚用。利益面前，亲情经受考验，各自有各自的理由和打算。老大常梅本无目的地一幢小事竟成了利益熏心的老二常丽的把柄，几姐妹加女婿的争执使父亲常德住进了医院，为挽回父亲对自己的印象，大姐夫梁守业苦肉谢罪、添油加醋的乱论，竟将矛盾引向无辜的老四女友宋娟身上，娟母宁彩霞离异后带大了宋娟，岂能受这等欺负，由一撞小事引发成俩家的大冲突。老房子就拆，新房子还没有，父母住哪就成了问题。姐弟四个商量，最终确定下来“轮流养父母”。在此之后，不管老两口轮到了谁家里，哪个孩子都绞尽脑汁的孝顺着，就盼着父母将来能多给自己留一点儿。等她说完。