青海省石油管理局基地综合楼给排水工程设计.docx

1、摘要本工程为青海省石油管理局基综合楼，地下一层为水泵房等，一层为商业用房，二至四层为办公室，五至三十二层为普通住宅。占地面积为965.56平方米，建筑高度为97.80米。根据高层民用建筑设计防火规范本工程属于一类高层民用综合楼建筑。本工程设计设计范围包括室内给水系统、排水系统、消火栓系统、自喷系统及雨水系统。初步拟定该建筑供水分三区：一层到四层为低区，由市政管网直接供水；五层到十八层为中区，十九层到三十二层为高区，由水泵加压供水。市政管网可以提供的常年资用水头为0.4MPa，远不能满足高层建筑内部用水要求，经技术经济比较，室内给水系统拟采用分区给水方式，采用设水泵的给水方式，供高、中区用水，低

2、区由市政管网直接供水。建筑高度高于或等于24m的公共建筑或高于或等于10层的住宅称为高层建筑。对于高层建筑而言，生活给水系统由于其层数多、竖向高度大，为避免建筑低层配水点静水压力过大，需要进行竖向分区。合理的确定高层建筑给水系统的竖向分区，关系到给水系统的运行、使用、维护、管理、投资节能等情况的效果，是高层建筑给水系统的首要环节。目前，国内外在高层建筑给水设计中，普遍都是以给水分区最低层配水点处最大允许静水压力值为依据，进行竖向分区的。我国建筑给水排水设计规范(GB50015-2003)第3.3.5规定：各分区最低卫生器具配水点处的静水压不宜大于0.45MPa，特殊情况下不宜大于0.55MPa

3、。本建筑消火栓立管挨墙角设置，消防卷盘与消火栓合用消火栓箱，消火栓系统管网压力远大于生活管网，故室内消火栓系统为独立系统，使用承压力高的不锈钢管。消防前室单独设消火栓，本设计采用减压稳压型单出口消火栓。该建筑采用水泵，水箱联合供水的准高压消防给水系统，火灾初期10min的消防用水量贮存在高位水箱里，火灾延续2h时间内的消防用水贮存在地下室水池内。根据本建筑的性质，按规范消火栓每股水量q=5L/s，故选择栓口直径为65mm的消火栓，水枪喷嘴直径d=19mm,衬胶水龙带长度Ld=25m。最小充实水柱长度Hm=12m。商场内消火栓采用双排布置,保证至少有2支消火栓的充实水柱能同时达到室内任何部位。系

4、统设1组湿式报警阀，报警阀后管网为枝状网，每层每个防火分区均设水流指示器。自动喷洒喷头均选用闭式玻璃球喷头。每个喷头的保护面积不超过12.5m2。各层均设末端试压装置。火灾初期10min 消防用水量由屋顶水箱供应，火灾10min 后消防用水由湿式报警阀延时器后的压力开关自动启动消防水泵供应。该建筑为高层综合楼，属于中危险等级I 级，其设计喷水强度qp=6L/（minm2），作用面积160 m2，喷水量为20L/s，喷头工作压力为0.1Mpa，系统最不利点的喷头工作压力不应底于0.05Mpa。采用作用温度为68C 闭式玻璃球，喷头安装成下垂型，考虑到建筑美观，采用吊顶玻璃球喷头，喷头的水平间距采

5、用3.6m。个别喷头受建筑结构的影响，其间距会适当增减，但距墙不小于0.5m，不大于1.8m。建筑排水中，生活污水不能与污、雨水合流排除，雨水排水系统是单独设置的。按污水与废水在排放过程中的关系，排水体制分为合流制和分流制两种。其中，合流制排水系统适用于城市有完善的污水处理厂或建筑内部污水负荷较小的情况，而分流制排水系统适用于城市没有污水处理厂或污水厂处理规模较小、建筑内部有中水系统、建筑使用性质对卫生要求较高的情况。故而合流制会使得污水处理厂处理量增加，分流制会使得管网量增加。具体采用何种方式排除污水和废水，应根据污、废水的性质、污染程度以及回收利用的价值，结合市政排水系统体制，城市污水处理

6、情况，通过技术经济比较，综合考虑确定。根据环保的要求，结合室外给排水系统的设置，该建筑采用合流制排水系统，生活废水和生活废水直接排入城市地下水道，地下室排水经潜污泵提升后再排除。本建筑的排水系统的组成包括卫生器具、排水管道、检查口、清扫口、室外排水管道、检查井、潜水泵、集水井等。建筑屋面雨水系统按建筑物内部是否有污水管道分为内排水系统和外排水系统，按雨水在管道中的流态可分为重力无压流、重力半有压流、压力流。根据屋顶平面图可知，该建筑不同屋面的雨水分别有内、外排水结合使用。其中，内排水系统适用于层数较高的屋面，或对建筑立面要求较高不影响美观的情况；外排水系统适用于层数较低的屋面，或对建筑立面要求

7、不高的情况。该建筑选用内排水，在屋面设雨水斗，在该建筑内部有雨水管道。内排水系统包括雨水斗、连接管、悬吊管、立管、排出管、埋地干管和检查井组成。降到屋面的雨水，沿屋面流入雨水斗，经过连接管、悬吊管、入排水立管、再经流出管流入雨水检查井，或经埋地干管排至室外雨水管道。本设计采用87斗重力外排水系统。Abstract This project is the building of the Qinghai petroleum administration bureau basement pump house, etc., one for the commercial buildings, two f

8、our-story office, 5 to 32 story ordinary residence. The construction area of 965.56 square meters, building height of 97.8 meters. According to the design of tall buildings for fire protection in this project belongs to a class of senior civil building construction. The design of the project design

9、include an indoor water supply system, drainage system, fire hydrant system, since the spray system and storm system. Tentatively set the construction of water supply is divided into three districts: one to five for the low zone, directly by the municipal pipe network, water supply; six layers to 18

10、 layers of the District, 19 stores to thirty second floor for the upper zone, from the pump pluspressure water supply. Municipal pipe network can provide year-owned water head 0.4MPa, can not meet the internal water requirement of high-rise building, technical and economic comparison, an indoor wate

11、r supply system, the proposed regional water supply, pump-based water supply for the Central District water low zone directly by the municipal pipe network water supply. Building height greater than or equal to 24m of public buildings, or greater than or equal to 10-story residential known as high-r

12、ise buildings. For high-rise buildings, domestic water supply system due to its layers, the vertical height and large, to avoid low-rise building with a hydrostatic pressure of water points is too large, the need for vertical partition. Reasonable determination of the water supply system of high-ris

13、e building vertical partition related to the water supply system operation, use, maintenance, management, investment and energy saving effect, the first link of the high-rise building water supply system. Currently, the design of high-rise building water supply at home and abroad, generally are base

14、d on the water district the lowest level of the water distribution point based on the value of the maximum allowable hydrostatic pressure, the vertical partition. China building water supply and drainage design code (GB50015-2003) Section 3.3.5 provides that: district minimum hygiene appliances with

15、 water at the point of hydrostatic pressure should not be greater than 0.45MPa, special circumstances should not be greater than 0.55MPa. Building fire hydrant riser endure corner set fire reel in combination with the fire hydrant fire hydrant box, fire hydrant system pipe network pressure is much l

16、arger than the life of the pipe network, so the fire hydrant system as an independent system for high-pressure stainless steel tube. Room separate set fire hydrant, the design uses a single export fire hydrant of the vacuum regulator. The building with pumps, tank water supply system with quasi-high-pressure fire water supply system, fire the initial 10min fire water storage in the high water tank, fire conti