1#樓給排水計(jì)算

給排水設(shè)計(jì)計(jì)算書工程名稱：上莊村（灞柳小區(qū)）公租房項(xiàng)目1#樓 設(shè) 計(jì) 號(hào)：YSJXA38 日 期：2012-03 設(shè)計(jì)單位：華誠博遠(yuǎn)(北京)建筑規(guī)劃設(shè)計(jì)有限公司專 業(yè)：給排水審 核：校 對(duì)：計(jì) 算：一、概 述：1本建筑為一類商住樓，總建筑面積：30850.82。商業(yè)部分：2164.37，住宅部分：26506.95。本建筑地下二層為戰(zhàn)時(shí)核六常六甲類二等人員掩蔽所,地下一層為自行車庫，地上一二層為商業(yè), 三三十三層為住宅。建筑高度99.05m，為一類商住樓。二、設(shè)計(jì)依據(jù)2.1 本工程各專業(yè)提供的基礎(chǔ)資料。2.2 業(yè)主提供該項(xiàng)目的初步設(shè)計(jì)技術(shù)咨詢報(bào)告批復(fù)文件及有關(guān)市政資料。2.3 本專業(yè)采用的國家現(xiàn)行有關(guān)給排水、消防和衛(wèi)生等主要設(shè)計(jì)規(guī)范及規(guī)程： 建筑給水排水設(shè)計(jì)規(guī)范 (GB50015-2003)(2009年版) 高層民用建筑設(shè)計(jì)防火規(guī)范 (GB50045-95)(2005年版) 建筑設(shè)計(jì)防火規(guī)范 (GB50016-2006) 建筑滅火器配置設(shè)計(jì)規(guī)范 (GB 50140-2005) 住宅建筑規(guī)范 (GB50386-2005) 民用建筑設(shè)計(jì)通則 (GB50352-2005) 人民防空地下室設(shè)計(jì)規(guī)范 (GB50038-2005) 人民防空工程設(shè)計(jì)防火規(guī)范 (GB50098-2009) 二次供水設(shè)施衛(wèi)生規(guī)范 (GB17051-1997) 自動(dòng)噴水滅火系統(tǒng)設(shè)計(jì)規(guī)范 (GB50084-2001)(2005版) 住宅建筑規(guī)范 (GB50368-2005) 居住小區(qū)給水排水設(shè)計(jì)規(guī)范 (CECS57:1994) 建筑給水排水及采暖工程施工質(zhì)量驗(yàn)收規(guī)范 (GB50242-2002) 氣體滅火系統(tǒng)設(shè)計(jì)規(guī)范 (GB50370-2005) 室外給水設(shè)計(jì)規(guī)范 (GB50013-2006) 室外排水設(shè)計(jì)規(guī)范 (GB50014-2006) 民用建筑節(jié)水設(shè)計(jì)標(biāo)準(zhǔn) (GB50555-2010) 陜西省保障性住房建設(shè)標(biāo)準(zhǔn) DBJ /T61-61-2011三、水源： 水源來自城市市政給水管道,給水管道引自廣運(yùn)潭大道的市政給水管網(wǎng)，引入管管徑為DN275，供水壓力0.14MPa。水質(zhì)符合國家生活飲用水標(biāo)準(zhǔn)(GB5749-2006)。要求小區(qū)給水系統(tǒng)的引入管設(shè)水表和倒流防止器。四、設(shè)計(jì)范圍：(1)室內(nèi)建筑給水系統(tǒng)(2)室內(nèi)建筑污廢水排水系統(tǒng)(3)室內(nèi)消火栓給水系統(tǒng)(4)室內(nèi)自動(dòng)噴水滅火系統(tǒng)(5)建筑滅火器配置五、管道系統(tǒng)： 本建筑設(shè)有生活給水系統(tǒng)、生活污廢水系統(tǒng)、消火栓給水系統(tǒng)、自動(dòng)噴水滅火系統(tǒng)等管道系統(tǒng)；手提式干粉滅火器裝置。5.1 生活給水系統(tǒng)：(1)市政給水管網(wǎng)供水壓力為：0.14MPa。(2)本建筑最高日用水量為：279m3/d,最大時(shí)用水量為：29.01m3/h。(3)給水系統(tǒng)分區(qū)：根據(jù)建筑物的性質(zhì)，高度以及市政供水條件，使用水壓等情況，本工程分四個(gè)給水區(qū)，見設(shè)計(jì)說明。六 管道計(jì)算（一）：給水管道計(jì)算1：商業(yè)給水管道計(jì)算：計(jì)算公式：式中 a=2.51#衛(wèi)生間給水管道計(jì)算JSL-1前編號(hào)后編號(hào)當(dāng)量(N)流量(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(m)值水損(MPa)前壓(MPa)后壓(MPa)AB0.500.10150.500.000251.5BC1.000.20150.990.000901.5CD1.501.40400.840.000191.5DE2.001.50400.900.000221.5EF2.501.57400.950.000241.5FG3.501.66401.000.000261.5GH5.001.77401.070.000301.5JSL-2前編號(hào)后編號(hào)當(dāng)量(N)流量(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(m)值水損(MPa)前壓(MPa)后壓(MPa)AB0.500.10150.500.000251.5BC1.000.20150.990.000901.5CD1.500.30200.790.000401.5DE2.001.50400.900.000221.5EF2.501.57400.950.000241.5FG3.001.62400.970.000251.5GH6.001.83401.100.000321.52#衛(wèi)生間給水JSL-5前編號(hào)后編號(hào)當(dāng)量(N)流量(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(m)值水損(MPa)前壓(MPa)后壓(MPa)AB0.500.10150.500.000251.5BC1.250.25200.660.000291.5CD3.750.58250.880.000361.5JSL-4前編號(hào)后編號(hào)當(dāng)量(N)流量(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(m)值水損(MPa)前壓(MPa)后壓(MPa)AB0.750.15150.750.000531.5BC1.500.30200.790.000401.5CD2.250.45250.680.000221.5DE2.751.60400.960.000251.5EF3.251.64400.990.000261.5FG3.751.68401.010.000271.5JSL-3前編號(hào)后編號(hào)當(dāng)量(N)流量(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(m)值水損(MPa)前壓(MPa)后壓(MPa)AB0.501.20321.180.000481.5BC1.001.30400.780.000171.5CD1.501.40400.840.000191.5DE2.001.50400.900.000221.5EF2.501.57400.950.000241.5FG3.501.66401.000.000261.5GH5.001.77401.070.000301.5引入管計(jì)算前編號(hào)后編號(hào)當(dāng)量(N)流量(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(m)值水損(MPa)前壓(MPa)后壓(MPa)AB3.750.58251.090.001131.5BC7.501.92500.900.000351.5CD12.502.16501.020.000441.5DE13.752.21501.040.000461.5EF18.752.40501.130.000531.5FG24.752.59501.220.000621.52：住宅給水計(jì)算高區(qū)、中區(qū)、低區(qū)冷水給水管道計(jì)算計(jì)算公式：u0=U=qg=0.2UNgJLd-1前編號(hào)后編號(hào)當(dāng)量(N)流量(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(m)出流概率Uo(%)系數(shù)c值水損(MPa)前壓(MPa)后壓(MPa)AB72.001.83500.860.000321.810.00943BC144.002.66650.750.000191.810.00943CD216.003.32650.940.000281.810.00943DE288.003.91651.110.000381.810.00943EF360.004.43800.890.000211.810.00943FG432.004.92800.990.000261.810.00943GH504.005.38801.080.000301.810.00943HI576.005.82801.170.000351.810.00943IJ648.006.241000.720.000101.810.00943JK720.006.641000.770.000111.810.00943KL792.007.021000.810.000131.810.00943JLz-1、JLg-1前編號(hào)后編號(hào)當(dāng)量(N)流量(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(m)出流概率Uo(%)系數(shù)c值水損(MPa)前壓(MPa)后壓(MPa)AB72.001.83500.860.000321.810.00943BC144.002.66650.750.000191.810.00943CD216.003.32650.940.000281.810.00943DE288.003.91651.110.000381.810.00943EF360.004.43800.890.000211.810.00943FG432.004.92800.990.000261.810.00943GH504.005.38801.080.000301.810.00943HI576.005.82801.170.000351.810.00943IJ648.006.241000.720.000101.810.00943JK720.006.641000.770.000111.810.00943（二）排水系統(tǒng)1.生活污廢水排水系統(tǒng)(1)0.000以上廢水重力自流排入室外污水檢查井； (2)住宅室內(nèi)生活污廢水采用專用通氣立管系統(tǒng)。 （3）二四層公共衛(wèi)生間排水采用伸頂排水系統(tǒng)，一層公共衛(wèi)生間采用不通氣排水系統(tǒng)。(4)建筑物內(nèi)生活污水經(jīng)排至室外化糞池處理后，排入市政污水管網(wǎng)。(5)消防電梯排水井的潛水泵、地下室潛水泵的啟閉由排水液位自動(dòng)控制,要求高水位(液面距井底700mm)開泵,低水位(液面距井底200mm)關(guān)泵。其它廢水排水潛水泵水位(液面距井底600mm)開泵,低水位(液面距井底200mm)關(guān)泵。2、衛(wèi)生器具排水當(dāng)量.器具名稱排水當(dāng)量排水流量(L/s)污水盆1.00.33洗臉盆0.750.25大便器4.51.5小便器0.30.13、有通氣的生活排水立管的最大排水能力排水管管徑僅設(shè)伸井通氣立管(L/S)有專用通氣立管(L/S)DN501.0DN751.75.5DN1004.08.8DN1255.2DN1507.4排水立管計(jì)算立管編號(hào)層數(shù)每層當(dāng)量排水當(dāng)量衛(wèi)生器具最大流量（L/S）設(shè)計(jì)流量（L/S）設(shè)計(jì)管經(jīng)WL-130 3.50 105.00 1.5 0.67 2.51 De110WL-230 5.70 171.00 1.5 1.50 3.85 De110WL-330 2.00 60.00 1.5 0.67 2.06 De110WL-530 1.50 45.00 1.5 0.50 1.71 De110七、消火栓系統(tǒng)：1)本工程按一類商住樓進(jìn)行消防給水設(shè)計(jì),室內(nèi)消火栓用水量為：40L/s,室外消火栓用水量為：30L/s.2)該建筑滅火歷時(shí)為2小時(shí)。(3)消防水池及消防水泵房設(shè)在1#樓與2#樓之間的地下二層。內(nèi)存2小時(shí)室內(nèi)消火栓消防水量288m3，2小時(shí)室外消火栓用水量216m3，1小時(shí)自噴消防用水量108m3，三項(xiàng)合計(jì)612m3。(4)4#樓屋頂水箱間設(shè)有效容積18m3的鋼板消防水箱一座。水箱間標(biāo)高103.4m，水箱底標(biāo)高104.2m。確保火災(zāi)初期的消防水量。(5)室內(nèi)設(shè)專用消火栓給水管網(wǎng)，豎向分為二個(gè)區(qū)。二層(包括二層)以下為低區(qū)，三層(包括三層以上為高區(qū))。室內(nèi)消火栓管網(wǎng)為環(huán)狀管網(wǎng)，低區(qū)消火栓系統(tǒng)的上部水平環(huán)管設(shè)在二層商場(chǎng)的吊頂內(nèi)，下部水平環(huán)管設(shè)在地下二層的頂板下；高區(qū)消防系統(tǒng)的上部水平環(huán)管三十三層頂板下，下部水平環(huán)管設(shè)于二層商場(chǎng)的吊頂內(nèi)。三十三層屋面設(shè)一個(gè)試驗(yàn)消火栓。低區(qū)消火栓管道的工作壓力為0.5MPa，高區(qū)消火栓系統(tǒng)的工作壓力為1.4MPa。八、自噴系統(tǒng)計(jì)算原理參照自動(dòng)噴水滅火系統(tǒng)設(shè)計(jì)規(guī)范GB 50084-2001(2005年版) 基本計(jì)算公式： 1、噴頭流量： 式中：q - 噴頭處節(jié)點(diǎn)流量，L/min P - 噴頭處水壓（噴頭工作壓力）MPa K - 噴頭流量系數(shù)2、流速V： 式中：Q - 管段流量L/s Dj -管道的計(jì)算內(nèi)徑（m）3、水力坡降： 式中：i - 每米管道的水頭損失（mH20/m） V - 管道內(nèi)水的平均流速（m/s） dj - 管道的計(jì)算內(nèi)徑（m），取值應(yīng)按管道的內(nèi)徑減mm確定4、沿程水頭損失： 式中：L - 管段長度m5、局部損失（采用當(dāng)量長度法）： (當(dāng)量) 式中：L(當(dāng)量) - 管段當(dāng)量長度，單位m(自動(dòng)噴水滅火系統(tǒng)設(shè)計(jì)規(guī)范附錄C)6、總損失： 7、終點(diǎn)壓力： 管段名稱起點(diǎn)壓力mH2O管道流量L/s管長m當(dāng)量長度管徑mmK水力坡降mH2O/m流速m/s損失mH2O終點(diǎn)壓力mH2O1-27.001.112.700.8025800.5392.091.898.892-38.892.362.172.1032800.5242.492.2311.1231-327.161.123.400.8025800.5512.122.329.4832-39.482.420.832.1032800.5482.551.6111.093-411.124.783.403.6050800.2532.251.7712.8933-348.041.192.700.8025800.6192.242.1710.2034-410.202.532.172.3032800.6022.672.6912.8935-368.261.213.400.8025800.6362.272.6710.9336-410.932.600.832.3032800.6322.741.9812.914-512.899.913.103.7065800.2842.811.9314.8237-512.911.511.320.6025800.9932.841.9014.815-614.8211.420.714.3065800.3773.241.8916.7138-398.081.192.210.8025800.6222.251.879.9542-398.861.250.790.8025800.6822.351.099.9539-409.952.442.892.1032800.5602.582.7912.7443-4010.501.362.210.6025800.8082.562.2712.7744-4011.481.420.790.6025800.8842.681.2312.7140-4112.745.232.143.1050800.3032.461.5914.3345-4113.021.520.710.6025801.0022.851.3114.3341-614.336.741.033.7050800.5043.182.3816.716-716.7118.162.025.4080800.3853.662.8619.5746-478.301.211.150.6025800.6392.281.129.4347-489.431.213.220.6025800.6392.282.4411.8748-4911.871.211.300.0025800.6392.280.8312.7051-5215.701.660.670.6025801.2083.131.5417.2352-717.231.661.320.6025801.2083.132.3219.5553-548.751.242.400.8025800.6742.342.1610.9154-4910.912.630.672.1032800.6482.771.8012.7049-5012.703.842.792.7040800.6563.063.6016.3055-5610.601.370.410.6025800.8162.580.8311.4356-5711.431.372.550.8025800.8162.582.7314.1658-5712.801.500.610.8025800.9852.831.3914.1957-5014.162.870.672.1032800.7723.032.1416.3050-716.306.712.653.9050800.4993.163.2619.567-819.5726.534.076.10100800.1883.061.9121.488-921.4826.532.480.00100800.1883.060.4721.959-1021.9526.533.000.00100800.1883.060.5622.5110-1122.5126.533.000.00100800.1883.060.5623.0711-1223.0726.532.540.00100800.1883.060.4823.5512-1323.5526.530.773.10100800.1883.060.7324.2813-1424.2826.531.470.00100800.1883.060.2824.5659-6019.141.841.700.8025801.4733.463.6822.8260-6122.821.840.842.1032800.3171.940.9323.7561-6223.751.843.400.3040800.1501.460.5624.3162-6324.311.843.000.5050800.0370.870.1324.4463-6424.441.842.700.6065800.0100.520.0324.4764-6524.471.842.700.0080800.0040.370.0124.4865-6624.481.842.550.0080800.0040.370.0124.4966-6724.491.840.840.0080800.0040.370.0024.5067-6824.501.841.180.0080800.0040.370.0024.5068-6924.501.842.252.1080800.0040.370.0224.5269-7024.521.841.210.0080800.0040.370.0024.5270-1424.521.842.962.9080800.0040.370.0224.5514-1524.5628.371.196.10100800.2153.281.5726.1215-1626.1228.370.850.00150800.0271.500.0226.1516-1726.1528.372.250.00150800.0271.500.0626.2117-1826.2128.371.080.00150800.0271.500.0326.2