江苏某小区临时用电及给排水施工方案(附用电量计算、供电施工图).doc
目 录一、工程概况2二、施工机械配置2三、用电负荷计算4四、施工现场用电布置52五、安全用电技术措施53六、电气防火措施55七、触电事故应急救援预案55八、给排水施工57九、施工现场临时用电、给排水平面布置图58一、工程概况1. 地理位置拟建中的万科金色半山花园项目位于某某市浦口区沿山大道南侧。整个场地北高南低高差在17米左右。总建筑面积约为15万平方米，包含01#-09#楼（11层）、10#-18#楼（6层）、20#楼样板房（2层）、综合楼（2层）、社区中心（2层）、幼儿园（2/3层）。工程名称：某某花园项目工程地点：本工程位于某某市浦口区沿山大道南侧主要用途：居住、商业、服务业主单位：某某筑浦置业有限公司设计单位：某某长江都市建筑设计股份有限公司监理单位：某某省某某工程项目管理有限公司施工单位：某某省建工集团有限公司2. 埋地电缆电力线路根据“临电规范JGJ46-2005”电缆直接埋地敷设的深度不应小于0.5m，井应在电缆紧邻上、下、左、右侧均匀敷设不小于50mm厚的细砂，然后覆盖砖或混凝土板等硬质保护层。3. 施工条件菊园新区B10地块西侧有甲方提供的两台630KVA的箱式变压器作为配电室，一个位于一期北侧；另外一个位于二期南侧。箱式变压器底部离地距离约为0.8m，一次侧为10KV电源三相三线制供电，二次侧为三相五线制中性点直接接地，电压为0.4KV，整个工地分示范区、一期、二期进行建设，示范区先于一期、二期施工，一期和二期土方开挖间隔时间仅为90天。总工期为823天。二、施工机械配置本工程按基础、主体、装饰三大部分分析，在主体施工阶段属用电高峰。一期工程施工用电由北侧变压器供电，共计9栋6层和2栋11层；二期工程施工用电由南侧变压器供电，共计7栋11层和2栋2层。根据主体施工阶段来计算现场总用电量，用电高峰阶段施工机械见下表:三、用电负荷计算 1、现场勘探及初步设计: (1)本工程所在施工现场范围内无各种埋地管线。 (2)现场采用380V低压供电，设二配电总箱，内有计量设备，采用TN-S系统供电。(3)根据施工现场用电设备布置情况，采用导线埋地敷设，布置位置及线路走向参见临时配电系统图及现场平面图，采用三级配电，两极防护。 (4)按照JGJ46-2005规定制定施工组织设计，接地电阻R4。 2、确定用电负荷: (1)塔式起重机(2台) Kx = 0.85,Cos = 0.6,tg = 1.333 Pjs = Kx×Pe = 0.85×111 = 94.35kW Qjs = Pjs×tg = 94.35×1.333 = 125.769kvar (2)碘钨灯(4台) Kx = 0.3,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.3×1.2 = 0.36kW Qjs = Pjs×tg = 0.36×1.02 = 0.367kvar (3)高压汞灯(3台) Kx = 0.6,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.6×3 = 1.8kW Qjs = Pjs×tg = 1.8×1.02 = 1.836kvar (4)真空吸水泵(4台) Kx = 0.75,Cos = 0.8,tg = 0.75 Pjs = Kx×Pe = 0.75×16 = 12kW Qjs = Pjs×tg = 12×0.75 = 9kvar (5)木工圆锯 Kx = 0.65,Cos = 0.6,tg = 1.333 Pjs = Kx×Pe = 0.65×3 = 1.95kW Qjs = Pjs×tg = 1.95×1.333 = 2.599kvar (6)交流电焊机(3台) Kx = 0.5,Cos = 0.4,tg = 2.291 Pjs = Kx×Pe = 0.5×70.2 = 35.1kW Qjs = Pjs×tg = 35.1×2.291 = 80.414kvar (7)钢筋弯曲机 Kx = 0.65,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.65×3 = 1.95kW Qjs = Pjs×tg = 1.95×1.02 = 1.989kvar (8)钢筋切断机 Kx = 0.65,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.65×7 = 4.55kW Qjs = Pjs×tg = 4.55×1.02 = 4.641kvar (9)插入式振动器(10台) Kx = 0.3,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.3×11 = 3.3kW Qjs = Pjs×tg = 3.3×1.02 = 3.366kvar (10)载货电梯 Kx = 0.85,Cos = 0.6,tg = 1.333 Pjs = Kx×Pe = 0.85×7.5 = 6.375kW Qjs = Pjs×tg = 6.375×1.333 = 8.498kvar (11)建筑施工外用电梯(2台) Kx = 0.85,Cos = 0.6,tg = 1.333 Pjs = Kx×Pe = 0.85×22 = 18.7kW Qjs = Pjs×tg = 18.7×1.333 = 24.927kvar (12)塔式起重机(2台) Kx = 0.85,Cos = 0.6,tg = 1.333 Pjs = Kx×Pe = 0.85×111 = 94.35kW Qjs = Pjs×tg = 94.35×1.333 = 125.769kvar (13)高压汞灯(3台) Kx = 0.6,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.6×3 = 1.8kW Qjs = Pjs×tg = 1.8×1.02 = 1.836kvar (14)真空吸水泵(4台) Kx = 0.75,Cos = 0.8,tg = 0.75 Pjs = Kx×Pe = 0.75×16 = 12kW Qjs = Pjs×tg = 12×0.75 = 9kvar (15)100m高扬程水泵(2台) Kx = 0.75,Cos = 0.8,tg = 0.75 Pjs = Kx×Pe = 0.75×40 = 30kW Qjs = Pjs×tg = 30×0.75 = 22.5kvar (16)木工圆锯 Kx = 0.65,Cos = 0.6,tg = 1.333 Pjs = Kx×Pe = 0.65×3 = 1.95kW Qjs = Pjs×tg = 1.95×1.333 = 2.599kvar (17)交流电焊机(3台) Kx = 0.5,Cos = 0.4,tg = 2.291 Pjs = Kx×Pe = 0.5×70.2 = 35.1kW Qjs = Pjs×tg = 35.1×2.291 = 80.414kvar (18)钢筋切断机 Kx = 0.65,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.65×5.5 = 3.575kW Qjs = Pjs×tg = 3.575×1.02 = 3.647kvar (19)钢筋切断机 Kx = 0.65,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.65×7 = 4.55kW Qjs = Pjs×tg = 4.55×1.02 = 4.641kvar (20)钢筋调直机 Kx = 0.65,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.65×4 = 2.6kW Qjs = Pjs×tg = 2.6×1.02 = 2.652kvar (21)灰浆搅拌机(3台) Kx = 0.5,Cos = 0.55,tg = 1.518 Pjs = Kx×Pe = 0.5×6.6 = 3.3kW Qjs = Pjs×tg = 3.3×1.518 = 5.009kvar (22)载货电梯(6台) Kx = 0.85,Cos = 0.6,tg = 1.333 Pjs = Kx×Pe = 0.85×45 = 38.25kW Qjs = Pjs×tg = 38.25×1.333 = 50.987kvar (23)插入式振动器(10台) Kx = 0.3,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.3×11 = 3.3kW Qjs = Pjs×tg = 3.3×1.02 = 3.366kvar (24)碘钨灯(5台) Kx = 0.3,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.3×1.5 = 0.45kW Qjs = Pjs×tg = 0.45×1.02 = 0.459kvar (25)甲方、总包办公室用电 Kx = 0.6,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.6×80 = 48kW Qjs = Pjs×tg = 48×1.02 = 48.96kvar (26)碘钨灯(5台) Kx = 0.3,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.3×1.5 = 0.45kW Qjs = Pjs×tg = 0.45×1.02 = 0.459kvar (27)高压汞灯(4台) Kx = 0.6,Cos = 0.7,tg = 1.02 Pjs = Kx×Pe = 0.6×4 = 2.4kW Qjs = Pjs×tg = 2.4×1.02 = 2.448kvar (28)真空吸水泵(3台) Kx = 0.75,Cos = 0.8,tg = 0.75 Pjs = Kx×Pe = 0.75×12 = 9kW Qjs = Pjs×tg = 9×0.75 = 6.75kvar (29)木工圆锯 Kx = 0.65,Cos = 0.6,tg = 1.333 Pjs = Kx×Pe = 0.65×3 = 1.95kW Qjs = Pjs×tg = 1.95×1.333 = 2.599kvar (30)插入式振动器(8台) Kx = 0.3,
