设计计算书建筑给排水及消防设计说明书组长:胥涛组员:李炼刘一男李亚军倪康陈麒聪黄耀阳承志成都航空职业技术学院建筑给排水及消防设计说明书设计书1建筑给排水及消防——设计计算书目录参考资料..........................................................................................................................................1给水系统的设计与计算.................................................................................................................3建筑消防系统设计与计算.............................................................................................................14建筑排水系统设计与计算..............................................................................................................26设计图纸见附录建筑给排水及消防设计说明书设计书2参考资料1.《建筑给排水设计规范》GB50015-20032.《建筑设计防火规范》(2006)3.《高层建筑设计防火规范》(2006)4.《灭火器配置设计规范》5.《建筑给排水工程》6.《建筑给排水设计手册》7.有关设备、产品样本建筑给排水及消防设计说明书设计书3给水系统的设计与计算1.1建筑给水系统总用水量的计算1.1.1竖向分区竖向分区共分2个区:1~6层为低区,7~18层为高区。1.1.2用水量标准住宅:216户人数:800人,24h使用,用水量标准取10—2L/人,K=2.0;洗衣房:18×7.2=129.6m2厨房9×7.2=37.8m2套间15×7.2=108m2小间7.2×4.2=30.24m2K=2.5未预见水量按每日用水量的15%计算。生活用水量计算表项目用水类别水量标准L/人.用水单位/人最大时用水量Qd(m³/d)时变化系数K最大日用水量Qmax(m³/h)供水时间h生活用水洗衣房38625.742.04.29121—348厨房236145.22.024.224小间1185.62.50.5824小计176.5429.07未预见水量26.481.1总计203.0230.171.2贮水池容积计算本设计高区为设水泵水箱的给水方式,因为市政给水管不允许水泵直接从管网抽水,故地下设有生活、消防共用贮水池。水池有效容积按下式计算:V=V调节+V事故+V消防根据表1-1,该建筑最高日用水量为Qdmax=203.02m³/d,最高时用水量为Qhmax=30.17建筑给排水及消防设计说明书设计书4m³/h。1.2.1生活生产调节水量按建筑日用水量的12%计,V调节=12%×261.5≈31.38m31.2.2消防水量按满足火灾延续时间内消防用水量计算,根据《高层民用建筑设计防火规范》(GB50045-95)规定,室外消火栓用水量为30L/s,室内消火栓用水量为40.0L/s,火灾延续时间Tx=3h,自喷用水量为30L/s,火灾延续时间Tx=1h。则消防贮备水量为314033600301360054010001000Vm1.2.3事故用水量考虑市政给水管事故时当地维修时间,事故贮备水量取2h的1~16层的最高时生活用水量,则有V事故=2Qhmax=2×30.17≈60.34m3贮水池进水管选DN100的给水钢管,管道流速取1.0m/s,进水流量为hmsLvDQ/26.28/85.7100.11.041413322贮水池消防补水量按3h计,则3278.84326.28mV∴贮水池的有效容积为:324.3654060.3484.78535.78Vm设V=672m3贮水池1座,水池尺寸为16000mm×14000mm×3000mm,水池顶部标高为-1.00m,水位标高为-1.30m,池底标高为-4.30m,最低水位标高为-4.3+0.5=-3.8m,生活水位标高为-4.3+2.42+0.5=-1.38m,消防水位标高为-4.3+2.15+0.5=-1.85m。1.2屋顶水箱容积计算建筑给排水及消防设计说明书设计书51.3屋顶生活给水箱布置平面图7-18层之生活用水由水箱供水。故在高、低区立管设连通管,并在管上设置一个电动阀和减压阀,平时电动阀关闭,当市政给水事故停水时,打开电动阀向低区供水。所以水箱容积应按供1-16层全部用水确定。水箱容积为生活生产调节容积(按最高日用水量的5%计)与消防贮水容积(按一类建筑消防贮水量18m3计)之和。3max5%185%203.21828.15dVQm查标准图集S1(上)选择标准方形给水箱,尺寸为4400mm×3200mm×2400mm,水箱的公称容积为V=30m3,有效水深为2220mm。水箱顶部标高为62.7m,水位标高为62.3m,箱底标高为60.3m建筑给排水及消防设计说明书设计书6。1.4室内给水管网水力计算水井平面布置图1.4.1设计秒流量计算根据建筑物性质,设计秒流量按下式计算:0.2gggqNkN式中,gq——计算管段的给水设计秒流量,L/sgN——计算管段的卫生器具给水当量总数、k——根据建筑用途而定的系数1.0.3ggqN1.4.21区给水管网水力计算低区1、、、6层各设有卫生间,其卫生间给水立管计算草图。该供水系统最不利配水点为0点(即每层蹲式大便器),所需流出水头为5mH2O采用当量法计算计算原理参照《建筑给水排水设计规范GB50015-2003》(2009年版),采用公共建筑采用当量法基本计算公式式中:qg-计算管段的给水设计秒流量(L/s)Ng-计算管段的卫生器具给水当量总数α-根据建筑物用途而定的系数:2.5建筑给排水及消防设计说明书设计书7建筑类型:小区(Ⅰ、Ⅱ类)、旅馆、招待所、宾馆1区系统图计算结果:管段名称管道流量L/s管长m累计当量标注管径水力坡降mH2O/m流速m/s沿程损失mH2O管材1-20.203.291.00500.0010.170.00PP-R2-30.202.691.00500.0010.170.00PP-R3-41.544.389.50500.0531.300.23PP-R4-51.546.509.50500.0531.300.34PP-R5-61.541.739.50500.0531.300.09PP-R6-72.620.1027.50500.1412.220.01PP-R7-83.040.7137.00630.0611.630.04PP-R8-93.041.6037.00630.0611.630.10PP-R10-110.100.870.50200.0300.540.03PP-R11-120.100.090.50500.0000.080.00PP-R12-130.201.441.00250.0350.680.05PP-R13-141.462.138.50500.0471.230.10PP-R14-31.460.058.50500.0471.230.00PP-R15-160.003.320.00250.0000.000.00PP-R16-170.002.690.00200.0000.000.00PP-R17-181.466.148.50500.0471.230.29PP-R18-62.120.1018.00500.0951.790.01PP-R19-60.000.000.00200.0000.000.00PP-R20-210.200.241.00250.0350.680.01PP-R21-220.200.441.00250.0350.680.02PP-R22-230.501.162.50320.0581.040.07PP-R23-241.460.608.50500.0471.230.03PP-R24-251.460.238.50500.0471.230.01PP-R建筑给排水及消防设计说明书设计书825-261.541.759.50500.0531.300.09PP-R26-271.540.079.50500.0531.300.00PP-R27-281.546.579.50500.0531.300.35PP-R28-71.541.659.50500.0531.300.09PP-R29-70.000.000.00500.0000.000.00PP-R30-80.001.400.00500.0000.000.00PP-R31-120.100.200.50200.0300.540.01PP-R32-330.300.131.50250.0741.010.01PP-R33-340.300.921.50250.0741.010.07PP-R34-350.300.461.50250.0741.010.03PP-R35-131.370.887.50500.0421.160.04PP-R36-370.100.200.50200.0300.540.01PP-R37-380.100.850.50200.0300.540.03PP-R38-390.100.180.50200.0300.540.01PP-R39-400.201.361.00250.0350.680.05PP-R40-411.462.138.50500.0471.230.10PP-R41-171.460.058.50500.0471.230.00PP-R42-430.200.221.00250.0350.680.01PP-R43-440.200.311.00250.0350.680.01PP-R44-450.501.162.50320.0581.040.07PP-R45-461.460.608.50500.0471.230.03PP-R46-471.460.808.50500.0471.230.04PP-R47-481.500.559.00500.0501.270.03PP-R48-491.541.829.50500.0531.300.10PP-R49-501.540.289.50500.0531.300.01PP-R50-511.540.359.50500.0531.300.02PP-R51-181.540.109.50500.0531.300.01PP-R52-180.000.000.00250.0000.000.00PP-R53-220.300.221.50250.0741.010.02PP-R54-551.200.206.00500.0331.010.01PP-R55-561.200.286.00500.0331.010.01PP-R56-231.200.706.00500.0331.010.02PP-R57-580.100.190.50200.0300.540.01PP-R58-590.100.950.50200.0300.540.03PP-R59-250.200.541.00250.0350.680.02PP-R60-351.200.206.00500.0331.010.01PP-R61-370.000.030.00500.0000.000.00PP-R62-390.100.200.50200.0300.540.01PP-R63-640.300.121.50250.0741.010.01PP-R64-650.300.921.50250.0741.010.07PP-R65-660.300.531.50250.0741.010.04PP-R66-401.370.817.50500.