首页>>钢材资讯>提升工程勘察设计质量:我市施工图审查常见问题及设计质量通病汇总与改进措施

提升工程勘察设计质量:我市施工图审查常见问题及设计质量通病汇总与改进措施

佚名 钢材资讯 2025-02-18 16:05:23 148

为了进一步增强对工程调查和设计的质量意识和责任感,进一步提高了我们城市的调查,设计和建筑绘画审查的质量,努力提高建筑图的联合审查和审查效率的水平,并促进工程调查和设计的质量和水平的提高,我们的协会组织了相关的调查,设计单位以及市政调查与设计协会的建筑图审查委员会,并总结了构建中常见的问题和常见的设计质量问题自2020年1月1日以来,提交审核的审核文件。现在,我将发出以下问题。要求所有单位非常重视它并防止重新构成。

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钢材氟碳喷涂 气候要求_钢材喷氟碳漆施工方法_钢材喷涂气候氟碳要求是什么

钢材氟碳喷涂 气候要求_钢材喷涂气候氟碳要求是什么_钢材喷氟碳漆施工方法

1。调查专业

(i)邮票和签名

1。一些调查报告标题页上的邮票尚不清楚,无法识别;邮票的有效性无法确定。签名人员是否是“四个图书馆和一个平台”中的人员,不符合“审查审查图纸和设计工程建筑工程文档的技术指南” 3.0。 3条规定。

(ii)报告中不符合规范要求的要点

2。报告中的某些规格不是当前的有效版本,并且规格尚未及时更新。

3.调查报告的工程概述章节中建筑物的描述的内容不完整,不符合第4.1.11条第1条的规定,第1款是“岩土技术工程探索法”(GB50021-2001) )(2009年版)。本文是强制性规定。

4.调查报告缺乏分析和评估基金会稳定性和统一性的相关内容和结论,并且不符合第4.1.11条第3条的规定,第3款是“岩土技术工程探索法”(GB50021--50021-- 2001)(2009年版)。本文是一项强制性规定。

5。关于该地点的地震区域的划分,在项目现场分布弱土壤。根据标准“岩土工程调查法规在柔软的土壤区域”(JGJ83-2011),它可以分为建筑物的一般地震区域,但根据国家标准“建筑“建筑地震设计规格”),》(GB50011-2010)(GB50011-2010)((GB50011-2010)( 2016年版)应分为不利的区域,以建立地震阻力。

如果该地点弱且土壤可能是地震的,则将是抗震的危险区域。

该地点的土壤薄弱。如果没有地震沉没的可能性,那应该是抗震和不利的地区。

6。有一些高层建筑物在某些高层建筑物下缺乏控制勘探点(由:控制勘探点不在高层建筑的正交投影范围内,勘探孔不是技术孔,或抽样数量无法满足要求),并且不符合国家标准。 《岩土工程探索法》第4.1.17条(GB50021-2001)(2009年版),这是强制性规定。

受控的探索孔必须同时满足采样和孔深度要求(采样是为了获得变形计算指标,例如高层建筑物范围内的形成压缩系数,孔深度必须满足变形深度超过变形的深度,同时,压缩测试的压力应超过自重压力和其他压力的总和

7。调查报告中建议的抗浮动设计水位不符合规格要求。根据“建筑工程反浮动技术标准”(JGJ 476-2019)和“ Ningbo住宅建筑结构设计规则”(Ningbo DX/JS 002-2020)的第6.3.1条,反浮动设计水应将水平高程带到现场设计的项目室外地板高程上。

对于包含粉底坑的项目,调查报告中未提供现场地下水的最低和最高水位,该报告不符合“宁波市建筑物桩基础设计和建筑技术规则(2017年Ningbo SS)第4.2.5条-01)”。

当现场压力水对项目产生不利影响(例如桩基础,粉底坑等)时,一些调查报告无法提供压力水的水位高度,而水位不符合“岩土工程调查代码(GB50021-2001)2009版“ 4.1。第11条和第7.2.2.3条。

在某些报告中,在某些情况下,压力水位高度低于孵育层的屋顶高度,而压力水位高度高于实际测得的水位。

当该项目具有地下室时,未对基础坑的抗植物稳定性进行分析和评估,这不符合“建筑基金会设计法规(GB50007-2011)的附录W的规定”。

8。对于包含基础坑的项目,一些报告没有表明“根据住房和城市农村发展命令,第37号的“安全管理法规”,“安全管理法规”,对具有高风险的亚项目;也不关注周围该报告的环境(尤其是周围的地下管道)在报告中提到了一个注释,甚至根本没有提及它; 。

使用人造孔钻桩的项目也有同样的问题。

9。在调查报告中,基本保持层的顶部高程具有一定的波动,并且无法提供保持层的顶部高程轮廓图。

某些区域的持有力层的顶部高程发生了很大变化,并且超出了规范要求。应进行重新检查,以进一步阐明持有力层高度的变化。

10。当市政项目中该线长时间时,未提供通用线计划(位置图)。

线条条计划中没有里程桩号,因此在审查图纸时检查长路或管道(轨道)的平面位置并不方便。

当沿线的地层很大时,岩土工程分析和评估是在各节中进行的。

没有为工作井(接收井)安排的探索点,一些大型工作井(接收井)有一个基础维修站支持计划。一些探索点在间距方面相对较大。

准备一些市政项目的详细调查报告不符合“有关住房和建筑和市政基础设施工程的准备文件的规定”(目前)起始和结束位置(坐标,里程桩数)和路面设计高度。没有提供与其他道路网络的连接关系,例如桥梁项目,跨度,结构形式,基础形式和埋葬深度,并且里程桩数不包括在分段图中。

(iii)报告图表问题

11。建筑物的轮廓,地下室边缘线,建筑物的地板数量和建筑物的数量和某些项目勘探点的计划位置图不完整,并且勘探点没有清楚地标记。

12.一些钻井直方图缺少探索日期和水位观察日期,而基岩的风化传奇也缺失了。

13.部分动态检测测试结果表中的动态检测罢工数尚未校正极长,这不符合“岩土技术工程探索法(GB50021-2001)的第3.3.8条的要求(2009年)版”。

14.审查意见清楚地指出,必须修改图片和文本,并且必须上传完整的调查报告集。修订后的调查报告应上传,并且不能仅在审查回复意见表中回复或解释。

2。建筑专业

(i)政策部分

1。项目负责人应为注册建筑师或注册的结构工程师,建筑专业应为注册建筑师(第30条和第31条,建筑命令第167号)。第二级注册建筑师的实践范围仅限于在工程设计资格标准中“建筑项目设计量表分类表中指定的中小型项目”。

2.根据“准备和审查Ningbo民防工程的和平与战争功能conversion依计划的关键点,准备和平与战争转换项目的转换期需求表”。

3。根据“准备和审查和平与战争功能conversion依计划的关键点”第6条和第1条:纽约民防工程的conversion依计划”:涵盖的人数不应小于通过分裂计算的人数保护区的建筑区域占1.5㎡。

4.修改墙壁和绝缘材料应符合宁波市民间建筑墙项目质量和安全管理的临时法规,第114号。

5。应为选择和更改绝缘材料提供设计标准。当绝缘材料的热参数是企业标准时,主管部门应组织和证明以满足测试和接受要求。

6。根据“在宁波市实施三维建筑物(结构)实施三维绿色的实施指南” 2019 Ningbo DX-05,屋顶可以绿化,设计的绿色区域和比例。其中,盒子型绿色不应超过可绿色区域的10%。

(ii)一般意见

7。图纸的深度不足。设计深度应满足“关于建筑工程设计文档准备深度的规定”中的施工绘画设计的要求(2016年)。

8。项目的性质应与项目批准文件一致。对建筑物的主要功能的调整应由相关主管当局批准。请在设计基础上添加主管部门的批准文件和文件编号。

9.工程设计应采用适用的当前有效版本规格,法规和标准;相应的设计说明和设计内容应符合该国,省和城市的当前有效规格,法规和标准。

10。设计说明中应指示建筑物的规划高度和防火高度。应根据建筑物的质量,地下车库分类来阐明相应的建筑等级,并应阐明工业建筑的节能设计分类。

11。一般的设计描述需要一张相关内容(建筑区域,建筑区域,地板,防火性水平,地板数量,等等)的单个指示表(建筑区域,地板区域,防火水平,地板数等)的表格表)。

12.建筑图纸应阐明建筑物功能,例如“支撑室,辅助房”等,以阐明使用功能以查看它们是否符合相应的规格和要求。

13.节能设计特殊章节,节能计算书籍(节能模型)以及节能设计中的节能归档表应统一选择封闭结构的绝缘材料和热参数的选择统一。

(iii)站点设计

14.一般图应阐明与该地点附近的新建建筑物的使用性质和防火性水平(旨在建造的基础)(外部)以及相应的防火距离和防火保护设计应符合“火灾保护代码用于建筑设计”(GB 50016-2014)(2018 Edition)规定。

15.民防设施,例如入口和出口防崩溃范围,垂直竖井位置,防爆电缆井以及其他民防设施,应在民防的一般地图中补充。

16。场地的入口和出口以及站点的入口和出口应确保良好的观看条件,U形转弯应确保车辆的转弯半径。地下室的入口和出口应确保足够的缓冲距离,并满足“在城市建筑工程中设置停车场(警卫)的规则和标准的相关要求” DB33/1021-2013,第4.1.5条和4.3.2条背景和视线视线。 。

(iv)防火设计

17。如果在外墙的防火设计中使用防火玻璃墙的防火措施,防火的完整性时间限制,防火密封结构以及相应的外部窗户耐火的完整性要求应为澄清,防火玻璃墙的防火和完整性要求应符合“建筑设计防火代码”(GB 50016-2014)(2018年版)(2018年版)第6.2.5条。当上下窗户墙壁的高度不足时,当将外窗作为窗台壁壁用作窗户壁时,外部窗户应为防火窗。

18.在更换开放的楼梯间到封闭的楼梯间时,应考虑烟气排气措施;同时,楼梯间应配备开放式外部窗户或固定的外部窗户,以满足最高位置的烟气排气要求。

19。两侧的门,窗户和开口的最接近的楼梯间窗户之间的水平距离不得小于1.0m。完全打开时,疏散楼梯间的门开口不应减少。

20。根据GB51251-2017的第3.1.6条和第72号紧急措施消费者保护{2019]的第4条,当下层地下室楼梯不配备加压空气供应时,应将它们与上层完全分开。 。

21.高层医疗建筑不应小于130万,并且其他高层公共建筑的楼梯间一楼疏散门的净宽度不应小于120万。

22。电梯底门的防火性极限不应小于1.0h,并且应遵守GB/T27903中规定的完整性和热绝缘要求。

23。防火辊快门的宽度不应超过防火隔板宽度的1/3。

24。如果过道尽头的房间超过50 d但不超过200°(除了过道尽头的房间,幼儿园,幼儿园,老年建筑物,医疗建筑和教学建筑物的净宽度,门不应小于140万,疏散距离应不应大于15m。

25。消防泵室和消防控制室应具有防水和洪水措施(第8.1.8条,GB50016-2014(2018 Edition))。排水沟应安装在地下消防泵室和消防控制室的防水门窗外。

26。地下室的防火隔板无法用作通往邻近拥挤的地方的防火隔板的第二个安全出口。

27。地下室屋顶开口与上层建筑开口之间的水平距离不应小于4m,直线距离不应小于6m。

28.应在每个商业服务渠道和每个楼层设置消防港口(第28条,第89号文件,吉安格·冈蓬兹[2017])。

29.当住宅建筑物底部安装非商业渠道时,应根据公共建筑的要求建立户外消防道和攀岩地点。

(v)民防设计

30。民防电站的油储藏室的地面应比连接到它的房间低150-200mm,否则设置了阈值。固定发电站的机油储藏室的外门应为A级火门(“民用防空地下室设计代码GB 50038-2005,第3.6.6条”)。

31。使用水泥砂浆擦去人类探测区域的一侧。民防区的屋顶不应被抹灰。口腔壁,顶表面和底部表面应平坦,光滑,以便于清洁。 (GB 50038-2005,第3.2.13条)。

32。应安装一个密封成员储藏室,适合每个保护单元。

33.民防每个入口的疏散宽度不应大于楼梯间门的纯正宽度或楼梯间部分的纯宽宽度。如果需要拆除楼梯间的门,则应在图中清楚地说明在战时将其删除。

(vi)可访问性设计

34。起点和终点的无屏障扶手的水平延伸不得小于300mm。当外门完全打开时,建筑物的无屏障平台的净宽度应不小于1500mm。无屏障扁平坡度的接入斜率的斜率不应大于1/20。

35。应添加无障碍浴室的可访问洗手盆。无障碍浴室的门应在外面打开,否则,门后应安装直径不少于150万的起飞部位。无障碍厕所门的内部和外部之间的高度差异不应大于15mm,应用倾斜的表面过渡。

36.住宅社区的公共支撑房(社区住房,房地产住房)应配备无障碍厕所。家庭老年护理室的厕所应满足老年人的要求。当家居老年护理室安排在二楼时,应安装无障碍电梯。

37。可进入的浴室应配备救援电话按钮和衣服钩。

(7)绿色建筑和节能设计

38。是否严格与节能计算的各种结构实践和数据一致。补充节能设计基础的设计内容,概述,绝缘材料的选择,外壳结构和图纸的选择。

39。所有类型的无机绝缘板应明确定义外墙的锚定措施。

40。滑动窗口的气密性未达到6级。公共建筑物上面的公共建筑物的气密性应为7级。

41。向东和西部的空调房间的外部窗户应配备可移动的阳光或可移动的中间阳光。

42。在屋顶结构练习中,建筑物的内舱管结构需要补充内河内管道上的隔热措施,以防止冷(热)桥梁的现象。

43。当预制的建筑采用钢结构时,应根据钢组件和相应的节点样品计算热桥的节能计算。

(8)安全保护设计

44。根据DB33/1064-2009的第4.4.4条,应阐明安全玻璃的使用范围。

45。铝合金滑动门和滑动窗的设备应防止外部拆卸。在外墙中使用滑动窗口时,应安装设备以防止窗帘掉落在室外。

46.变压室,配电室等应配备雨水保护和小动物的设施,以便小动物通过照明窗户,通风窗,门,电缆沟渠进入室内,等等。

47。在选择楼梯的图片专辑时,您需要注意平台转弯处的栏杆扶手的位置,从而导致平台转动时的实际疏散宽度。

48.使用栏杆时,儿童在选择栏杆时应避免使用。

49。对于拥有七层楼和超过七层以上的住宅建筑,水平截面栏杆的最小高度超过0.50m,为1110m。 (“ Ningbo Residential Design实施规则”的第6.2.3条Ningbo DX/JS 003-2020)。符合人屋顶栏杆的净高度不应小于1200mm。

50。檐篷,栏杆,天窗和其他眼镜的眼镜应显然是层压玻璃,胶的厚度不应小于0.76mm;室内和室外玻璃栏杆应遵守JGJ113-2015的第7.2.5和7.2.6条的要求。

(9)建筑结构和防水设计

51。倒屋顶项目的防水水平应为I级,防水层的合理使用寿命不得少于20年。倒屋顶的绝缘层的厚度应为计算值的1.25倍,绿色屋顶卷材料应为抗根的耐刺穿卷材料。在千江,屋顶应与气候条件结合使用。

52。请根据09J202-1的第K2页的第3.2.3条和3.2.4条,阐明悬挂瓷砖条,水带和钢筋混凝土基础的固定方法。

53。应安装保护层在种植的屋顶上的抗根耐刺穿防水层上,并且保护层必须遵守法规(JGJ155-2013的第5.1.12条)。

54。当种植屋顶的斜率长度大于9m时,应使用结构坡度(JGJ155-2013第4.1.2.4条)。

55。底楼的混凝土垫没有关节,这不符合“建筑地面设计代码”(GB50037-2013)第6.0.3条的规定。

56。基础混凝土的实心砖的强度等级不应小于MU20,并且水泥砂浆的强度不应小于M10。

57。在设置蹲式厕所和厕所时,厕所舱的平面尺寸不同。 (GB50352-2019第6.6.4条)。

(10)室内环境和建筑装饰

58。装饰项目:未经授权,不应更改火灾分区和其他防火区的原始消防设计,并应遵守“建筑内部装饰设计的消防保护法”第4.0.1条(GB50222-2017) 。

59。由于装饰材料太多(尤其是新材料),因此确认其燃烧性能(A级)需要测试报告,并且应在国家防火建筑材料质量监督的网站上检查测试报告检查中心。

60。在完成民用建设项目期间,必须进行室内环境污染物浓度测试,其极限应符合规范GB50325-2020表6.0.4的表6.0.4的规定。

61。湿涂层的有机装饰材料小于1.5千克/㎡/light涂层,涂层的干膜厚度可用作B1装饰材料。在使用时,在设计中使用有机装饰材料在设计中尚不清楚。

62。消防栓的位置应在装饰平面上标记。消防栓门周围的装饰材料的颜色应与消防栓门的颜色显着不同,或者应设置在消防栓门的表面上的发光迹象;

63。乳胶油漆是一种有机涂料,无法达到A类燃烧性能。请查看和调整(“建筑室内装饰设计的消防守则” GB50222-2017第3.0.6条)

64.应该设置用于装饰设计的照明设备以考虑实际的操作需求。 (例如,在厨房中,天花板应设置在水槽上方,而不是在房间的中央,以避免使用阴影)

65。浴室中的无框玻璃应用于钢化玻璃,符合“建筑物玻璃应用技术法规”的表7.1.1-1的规定,并具有不少于12mm的名义厚度。

66。除了A级燃烧性能水平,房间装饰材料还应该是

GB 50222-2017将一个级别添加到表5.1.1,表5.2.1,表5.3.1,表6.0.1和表6.0.5中指定的基础上。

67.玻璃门和在使用过程中易受影响的其他部件应具有反碰撞措施和警告信号。 (“玻璃窗帘墙工程的技术规格” JGJ102-2003,第4.4.4条)

68。抗滑动表面应用于进入和出口,人行道,室外坡道和地板,通常用水冲洗或容易受到影响,例如水分和凝结。 (“建筑地面设计代码” GB 50037-2013,第3.2.2条)。

(11)窗帘墙设计

69。幕墙设计基础:请添加建筑法案[2015]的第38号文件,宁波市政府第236号命令和宁波·江(Ningbo Jianfa)[2017] Ningbo第153号。

70。沿海地区的铝板燃料喷涂的最小膜厚度不应小于40UM。

71。应审查窗帘墙设计是否对应于主建筑物的攀爬表面。

72。如果建筑物的入口和出口上方安装了建筑窗帘墙,则应采取有效的保护措施。玻璃照明屋顶和玻璃冠层应配备反腹部结构措施,并应采用反倾斜措施来倒置和倾斜面板。

73。防火隔离带应安装在地板上,以供带石头和铝板等空腔的窗帘墙。

(12)住宅设计

74。住宅项目必须阐明住宅建筑物外墙与基地内的道路之间的最小距离,并且应遵守“住宅建筑法规”(GB50368-2005)的第4.1.2条。

75。在住宅项目中,有必要阐明家庭基于家庭老年护理服务设施的建筑位置,区域和阳光标准,该设施应符合“ Zhejiang Province Urban Home-Home Bome Care Care Servicitions Plannelly的第3.0.1条”。附件标准”(DB33/1100-2014)第4.1.1条和第6.1.3条。

76.电梯轴和计算机室不得安排在卧室附近;电梯轴和计算机室不得安排在客厅(大厅)或学习室附近;当条件受到限制并必须立即布置时,必须采用有效的声音绝缘和消除振动结构。应设置措施和两个块(或混凝土)墙壁,中间有间隙,以将电梯轴或计算机室与学习室分开(“ Ningbo住宅设计实施规则” Ningbo DX/JS 003-2020第6.3.8条)。

77。没有前室的浴室不应直接向客厅打开。

78。根据DB33/1006-2017的第7.4.3条,应安装在浴室附近的干燥区域的墙壁上。

79。住宅建筑的室内装饰设计不得改变原始住宅建筑中厨房和浴室的位置(“住宅内部装饰和装饰设计代码”(JGJ367-2015)的第4.1.1条)。

80。住宅等候大厅和一楼门厅的净高度不应小于240万(“住宅内部装饰和装饰设计代码”(JGJ367-2015)的第5.0.2.2条)。

81。根据DB33/1006-2017的第4.3.3.3条,燃气厨房应具有独立的封闭空间。

82。住宅建筑物内部装饰设计中的原始安全保护设施不得去除,替换的保护设施不得减少安全保护要求(“住宅内部装饰和装饰设计法规”(JGJ367)的第3.0.7条(JGJ367 -2015))。

3。结构专业精神

(i)设计描述

1。包含地下室的结构设计指令应阐明项目的防浮动设计水位和地下室的抗浮动工程设计水平。

2。墙壁材料的选择应符合“应用墙材料的统一技术规格”的第3.1.4条。GB50574-2010。不应使用未经自动的充气混凝土产品。

3。设计文档中应采用当前规格,程序,本地标准和详细规则。

4。必须澄清钢结构描述,钢的选择应符合“钢结构设计标准”第4.3.2条的规定(GB50017-2017):承载结构中使用的钢,拉伸强度,断裂后的伸长和硫。还应通过焊接结构的碳等效保证磷含量的合格保证。焊接负荷结构和重要的非焊接负荷结构中使用的钢应具有冷弯曲测试的资格保证;直接承担动态载荷或需要检查疲劳的组件中使用的钢也应具有撞击韧性的资格保证。

5. In the special description of the design of dangerous projects, the scope of dangerous projects should comply with the requirements of the Ministry of Housing and Urban-Rural Development Order No. 37 of the "Regulations on Safety Management of Sub-Projects with Higher Risks" Construction and Office Quality (2018) No. 31.

(II) Structural calculation

6. In the calculation model, for multi-run stairs, the constant load and live load of the stair plate should be considered according to actual conditions.

7. The additional loads should be taken into account when calculating the structure of roof structures, awnings, etc., and the calculation diagram should be consistent with the actual structure. The roof eaves should consider the accumulated water load, and the live load on the planted roof should be valued according to the specifications.

8. According to Article 8.1.1 of the "Building Structure Load Code" (GB50009-2012), when calculating the wind load of the enclosure component, the gust coefficient should be taken into account.

9. For the bearing of the pile-resistant pile, the reinforcement under the action of the reverse bending moment of the pull-resistant pull force is considered, and it meets the minimum reinforcement rate requirements.

10. The wall of the structural layer of the roof is open, and the wind suction and wind pressure should be taken into account at the same time. If the curtain wall is subjected to force, the outer beam should consider the bending moment caused by horizontal wind.

11. In the calculation model, there is a structure of oblique lateral force-resistant members. When the intersection angle is large, the horizontal seismic effects in the direction of each lateral force-resistant member should be calculated separately.

12. In the input of residential load, if additional decoration is used for floor heating, such as additional decoration, this part of the load should be considered.

13. According to Article 8.3.1 of the "Steel Structure Design Standard" (GB50017-2017), lateral shift should be considered when calculating steel frames, and the second-order elastic analysis method should be used to calculate.

14. According to Article 4.3.2 of the "Technical Specifications for Steel Structures of Gate-type Rigid Frame Lightweight Houses" (GB51022-2015), the snow distribution coefficient of the rigid frame roof area should be adopted according to Table 4.3.2 according to uniform distribution and uneven distribution. The corresponding purlins shall be reviewed according to the most unfavorable working conditions.

15. According to Article 4.8.15 of the "Civil Air Defense Basement Design Code" (GB50038-2005), the pile foundation and pile bearing capacity verification of the pile body of the civil defense zone should consider the load combination of the explosive load of the nuclear weapon from the upper wall column.

16. When the factory crane elevation is inconsistent with the actual modeling floor height, the crane elevation should be entered according to the actual elevation.

(III) Structural design drawings

17. According to Article 8.5.17 of the "Construction Foundation Design Code" (GB50007-2011), the bearing steel bars should meet the anchor length requirements. When not satisfied, the steel bars should be bent upward, and the length of the bend shall not be less than 10d.

18. The basement floor, top plate and side plate should be considered as waterproofing plates, and their thickness, crack width, etc. should comply with the requirements of underground engineering waterproofing technical specifications.

19. When the concrete of the wall columns within the main building of the basement is C40~C55, the reinforcement ratio of civil defense walls, door frame walls and upper and lower retaining walls of door frames should not be less than 0.3%.

20. The bottom plate, top plate, and wall columns within the full length of the main entrances and exits of civil defense should consider the civil defense load and civil defense structure.

21. The minimum reinforcement ratio of the pile foundation bearing in the civil defense area should comply with the requirements of the civil defense specifications.

22. Concrete should be poured at one time in the civil defense sealing, door frames and civil defense mouths, and no post-pouring strips should be installed.

23. According to Article 9.2.1, paragraph 3 of the "Concrete Structure Design Code" (GB50010-2010, 2015 edition), when the number of lower steel bars is more than 2 layers, the horizontal distance of the steel bars above the two layers should be greater than the lower two. The middle distance of the layer doubles.

24. According to Article 9.1.25, paragraph 5 of the "Construction Seismic Design Code" (GB50011-2010, 2016 edition), the anchor length of the anchor ribs of the connecting point between the column support and the column should not be less than 30d.

25. The three-level seismic-resistant articulated frame columns, the diameter of the corner column and the supported column top section of the stirrups shall not be less than 10mm.

26. According to Article 3.9.6 of the "Construction Seismic Design Code" (GB50011-2010, 2016 edition), the construction of reinforced concrete structural columns should be built first and then poured into structural columns. According to Article 10.2.5, paragraph 2 of the "Masonry Structure Design Code" (GB50003-2011), horse teeth should be built at the connection of the structural column and the wall, and tie ribs should be installed along the height of the墙。

27. According to Article 6.3.3 of the "Technical Regulations on Concrete Structures of High-rise Buildings" (JGJ3-2010), the reinforcement ratio of the longitudinal tensile steel bars at the beam end should not be greater than 2.75%; when the reinforcement ratio of the longitudinal tensile steel bars at the beam end is greater than At 2.5%, the reinforcement ratio of the compressed steel bar should not be less than half of the tensile steel bar.

28. In the wall limb design of the edge components of the shear wall, when the stirrups are used as horizontal reinforcement of the wall, the diameter, spacing and reinforcement ratio of the stirrup should meet the calculation requirements of the shear wall and meet the reinforcement of the shear wall. Reinforcement ratio requirements.

29. In the design of shear walls, connecting beams with span ratios less than 5 in the same direction as the shear wall shall be based on Article 7.1.3 of the "Technical Regulations on Concrete Structures of High-rise Buildings" (JGJ3-2010), the beams shall be connected according to Article 7.1.3 of the "Technical Regulations on Concrete Structures of High-rise Buildings" (JGJ3-2010). Reinforcement and expression are required.

30. The minimum diameter of component stirrups. When the reinforcement ratio of longitudinal tensile steel bars at the end of the beam is greater than 2%, the minimum diameter value of the stirrups should meet the Table 6.3 according to the "Construction Seismic Design Code" (GB50011-2010) (2016 edition) .3 stipulates that it will increase by 2mm.

31. The diameter of each longitudinal steel bar that penetrates the middle column in the three-stage frame beam should meet the framework structure of Article 6.3.4-2 of the "Construction Seismic Design Code" (GB50011-2010) (2016 edition) The column has 1/20 of the cross-sectional dimension in this direction.

32. The reinforcement ratio of the upper reinforcement of the connecting beam is greater than 2.0%. According to Article 7.2.27 of the "Technical Regulations on Concrete Structures of High-rise Buildings" (JGJ3-2010), the structure of the connecting beam stirrups shall comply with Article 6.3.2 of the frame beam ends Structural requirements for stirrup encryption区。

33. According to Article 6.2.12, paragraph 4 of the "Technical Regulations on Concrete Special-shaped Column Structure", the special-shaped column should be fully encrypted when it is an angle column.

34. The expansion interval of the frame beam stirrups connected to the frame column or ladder column at the stair platform should be designed according to the frame beam, and the steel bars on the upper part of the ladder plate should be penetrated.

35. In designs involving equipment loads, such as cranes, elevators, escalators, etc., since the load cannot be fully determined during the design stage, the design unit should check the load before installation before installation. 。

36. Various equipment at the roofs, platforms, etc. of each major should be reliably connected to the main structure and seismically designed (such as roof solar equipment, prefabricated water tanks, air-conditioning equipment, etc.).

37. When designing the main structure of a house with prefabricated buildings, the thickness, load and the design and calculation of prefabricated staircase slabs should meet the design requirements of prefabricated buildings.

38. For firewalls designed in architectural design, the thickness of the beam reinforcement protective layer that carries the firewalls should meet the requirements of building fire protection design.

39. The steel structure should be designed for fire protection and corrosion protection:

(1) Anti-corrosion design should be specified in the description in accordance with Article 18.2.4 of the "Steel Structure Design Standard". If it is a gantry rigid frame, it should be determined in accordance with the "Technical Specifications for Steel Structure of Lightweight Houses" 12.1.4 of the "Technical Specifications for Steel Structure of Door Type rigid frames" Article clarify specific measures.

(2) Fireproof and heat insulation design should be specified in the description in accordance with Article 18.3.3 of the "Steel Structure Design Standard". If it is a gantry rigid frame, it should be based on the gantry rigid frame steel structure technical specifications for lightweight houses. Article clarify specific measures.

40. According to Article 5.3.2 of the "Technical Code for Metal and Stone Curtain Wall Engineering" (JGJ133-2001) and Article 5.2.3 of the "Technical Code for Metal and Stone Curtain Wall Engineering" (JGJ133-2011), glass curtain wall, metal curtain wall and stone curtain wall are calculated. The standard air load value should not be less than 1.0KN/m2.

4. Electrical major

1. Residential home distribution boxes should not be installed on the elevator shaft walls, bathrooms in the suites and partition walls in the shared parts.

2. The electrical seismic design depth of industrial buildings is insufficient; the earthquake-resistant mechanical and electrical equipment is not considered in accordance with the specifications.

3. The construction indicators for public parking garages should refer to DB33/1121-2016, Table 4.2.4.6, and the specific slow charging and fast charging settings are 15% and 50%. You can also refer to the "Technical Regulations on Charging Facilities and Charging Equipment for Electric Vehicles in Civil Buildings in Ningbo City" Table 4.0.2 in Ningbo DX-JS008-2020.

4. According to 9.1.2.5 of the "Corresponding Design Specifications for Civil Air Defense Engineering" in RFJ013-2010, the power supply of the socket box of the chemical defense duty room should be powered according to the first-level load.

5. According to the "Building Fire Protection Code" GB50016-2014 10.3.5, single and multi-story factories of Class A, B, C should be equipped with light evacuation indicators, and evacuation lighting should be installed in relevant parts of the factory and Class C warehouses. Many factories should be installed in This specification requirement was not considered.

6. The residential decoration project did not consider the number of sockets and installation height requirements in accordance with the "Ningbo Fully Decorated Residential Design Technical Rules" 2019 Ningbo DX-09.

7. There is no help call button in the accessible living room and bathroom, and there is no flashing doorbell for hearing-impaired people.

8. The location of the substation site does not meet the specification requirements and cannot be directly under the toilet, bathroom, kitchen or other places with frequent water and may leak water, and should not be adjacent to the above-mentioned places.

9. The upper and lower-level protective appliances used in low-voltage distribution lines should be selective in their actions, and the protection appliances at all levels should be able to coordinate and cooperate; for protection appliances with non-important loads, non-selective cutting can be used.

10. The fire control room should not be located near rooms with strong electromagnetic field interference and other rooms that may affect the normal operation of fire control equipment.

11. The electricity submetering system for public buildings does not classify and set up meters in accordance with the requirements of the "Search for the Design Standard for the Electricity Submetering System of Public Buildings" DB33/1090-2017 and the Ningbo Construction Data and Archives Management Center.

12. The control device of the ultraviolet sterilization lamp in nurseries and kindergartens is not separately installed, and no anti-opening measures are taken.

13. Measures to prevent contact voltage and step voltage should be taken to protect personal safety near the lightning protection line of the building.

14. The short circuit protection of the distribution line does not cut off the short circuit current before the thermal effects and mechanical forces generated by the short circuit current on the conductor and the connector. (For example: When the short-circuit protection appliance is a low-voltage circuit breaker, the expected short-circuit current of the protected line should not be less than 1.3 times the set current of the low-voltage circuit breaker instantaneous or short-delay overcurrent tripper. The breaking capacity of the short-circuit protection appliance should not be less than the breaking capacity of the short-circuit protection appliance should not be less than the cut-off capacity of the short-circuit protection appliance. Protect the expected short-circuit current at the electrical installation.)

5. Professional water supply and drainage

(I) General Provisions

1. The main design basis is incomplete. The general drawing pipelines and structures have no positioning dimensions, the floor plan has no floor elevation, room name, and the design documents have no green design details.

2. The general plan should draw the location (coordinates or positioning dimensions) of the water supply and drainage pipeline network and structures, and mark the location, elevation, pipe diameter of the municipal pipeline network at the pipeline interface.

(II) Water supply part

3. Technical measures should be taken to prevent flooding of water at the drain outlet of the backflow preventer using air partition.

4. When the water supply pipe passes through the deformation joint, a device should be installed to compensate for the expansion and shear deformation of the pipe.

5. The net distance between the water supply inlet pipe and the drainage discharge pipe shall not be less than 1 meter.

6. A filter should be installed before the pressure reducing valve of the residential water supply branch pipe, and a pressure gauge should be installed after the pressure reducing valve.

7. Water level monitoring and overflow alarm devices should be installed in low-level domestic water pools (boxes), and their information should be transmitted to the monitoring center.

(III) Drainage part

8. The special single-rise pipe system used in domestic drainage systems must provide the maximum water supply capacity value that has passed the test before it can be designed.

9. Only the drainage branch pipes and drainage risers on the bathrooms on the top floor shall not pass through the space inside the lower floor of residents.

10. Inspection ports should be installed on the floors connected to the drainage horizontal pipe.

11. When the bottom domestic drainage pipe is discharged separately, an annular ventilation pipe should be installed when the length of the drainage transverse pipe is greater than 12 meters.

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