Firehydrantandsprinklepipingsystem消防喷淋管路施工方案.doc

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Section 5Indoor fire hydrant and sprinkle piping system室内消火栓、喷淋管路系统Contents目 录1 Door fire hydrant system室内消火栓系统31.1 General description and technical requirement 系统描述及技术要求31.2 Project Quality Standard工程质量标准41.3 Construction Procedure施工程序41.4 Construction Methods施工方法51.4.1 Installation of indoor fire hydrant box室内消火栓箱安装51.4.2 Installation of Fire Pump消防水泵安装61.4.3 Installation of gas pressure tank for fire-fighting消防气压罐安装71.4.4 Adapter of fire hydrant pump消防栓水泵接合器71.4.5 Gradient of Fire-fighting Pipeline消防管道的坡度81.4.6 Galvanized steel pipes镀锌钢管的安装81.4.7 Pipe groove管道压槽91.5. Quality Control and Quality Common Fault Prevention质量控制和质量通病防治221.5.1 Construction Preparation施工准备221.5.2 Material Quality Inspection and Management材料质量检验及管理221.5.3 Pressure Test and Blow-cleaning试压及吹扫清洁241.5.4 Quality Inspection Standards质量检查标准242 Fire Sprinkler消防喷淋252.1 Project situation and Technical Requirements工程概况及技术要求252.2 Quality Standards for the Works 工程质量标准262.3 Procedure of Construction 施工程序262.4 Methods of Construction 施工方法272.4.1 Preparation of Construction施工准备272.4.2 Wet automatic sprinkling system湿式自动喷淋系统292.4.3 Installation and Fastening of Pipelines管道安装及固定332.4.4 Pressure Test of the System 系统试压342.4.5 Flushing 冲洗352.4.6 Commissioning of the System系统调试352.4.7 Acceptance of the System系统验收362.5 Quality Control and Quality Common Fault Prevention质量控制和质量通病防治372.5.1 Controlled Items保证项目372.5.2 Basic Items基本项目372.5.3 Item with Permitted Deviations允许偏差项目382.5.4 Quality Problems Being Considered应注意的质量问题381 Door fire hydrant system室内消火栓系统1.1 General description and technical requirement 系统描述及技术要求1.1.1 The indoor fire hydrant system flow rate is 15L/S, designed fire duration time is 2 hours, temporary high pressure water is supplied by fire pump house located in basement, the fire hydrant pipeline is a loop line system, the main pipes are located under the ceiling of basement.本系统用水量15L/S，设计火灾延续时间2小时，由地下一层的消防泵房提供临时高压用水,管道位于地下一层楼板下,连接成环状系统.1.1.2 Inside and outside hot dip galvanized pipe are adapted for indoor fire hydrant system, screw connection for pipes equal or less than 80mm, for the bigger pipe, the connection is clamp coupling, the valves and spools are connected with flange.室内消火栓系统采用内外热镀锌钢管,DN80mm螺纹连接,DN100mm为沟槽连接,阀门及需拆卸部位采用法兰连接1.1.3 The fire hydrant box are used, fire pump start push button included in the box, when fire alarm, fire booster pump can be started by push button and also can be started in the control room, or started up directly in the fire pump room.室内消火栓系统采用消火栓箱,每个消火栓箱内设置直接启动消火栓泵按钮,当发生火灾时,可以由消火栓箱启动按钮启动,也可由值班人员在消防值班室遥控启动,或则在消防泵房就地启动.1.1.4 The surface of the fire hydrant box should be in the same flat surface with the decorated wall.消火栓箱的安装完成面要求与建筑精装修的完成面相平齐.1.1.5 Material sample submit for approval提交材料样品1.2 Project Quality Standard工程质量标准 Specification for Construction and Acceptance of Water Supply and Drainage Piping Work GB50268-97 Specification for Construction and Acceptance of Construction Water Supply and Drainage and Heating Work GB50242-2002 Specification for construction and acceptance of automatic spry systemGB50261-20051.3 Construction Procedure施工程序1.3.1 General Rules of Pipe Installation管道安装总原则The sequence of pipe installation shall be firstly main pipes and then branch pipes and tubing; firstly big pipes, and then small pipes; firstly major pipes and then minor pipes. When construction positions are crossed, construction sequence shall be firstly large diameter pipes and then small diameter pipes, or major system pipes and then minor system pipes. Its also required to take necessary measures during site construction according to actual situations.管道安装应遵循先主管、后分支配管，先大管、后小管，先重要管、后次要管。施工位置交叉时，小口径管道让大管道，次要系统管道让主要管道。现场施工根据实际采取措施。1.3.2 Installation preparation Main pipe installation Box body and branch pipe installation box fittings installation Through-water debugging1.4 Construction Methods施工方法1.4.1 Installation of indoor fire hydrant box室内消火栓箱安装1) Pressure relief fire hydrant shall be installed according to design requirements in order to ensure that the pressure before each fire hydrant isnt more than 0.5MPa.按设计要求设置减压型消火栓，以保证每个消火栓前压力不大于0.5MPa。2) The outdoor fire hydrant and fire adapter must be installed strictly according to the requirements of fire design and construction & acceptance codes.室外消火栓和消防接合器的安装应保证符合消防设计和施工及验收规范的要求。3) The orifice of fire hydrant inside fire hydrant box shall be placed outwards. The distance between center of hydrant orifice and the ground is 1.1m, and its allowable deviation is 20mm; the distance between valve and box side is 140mm, and that between valve and internal surface after box is 100mm; its allowable deviation is 5mm. The fire hydrant shall be installed straightly, firmly and neatly; the fittings are also complete. 消火栓箱内的消火栓口应朝外，栓口中心距地1.1m，允许偏差20mm，阀门距箱侧面为140mm,距箱后内表面100mm,允许偏差5mm,消火栓安装应平直牢固，附件应齐全，安装应整齐。1.4.2 Installation of Fire Pump消防水泵安装The outlet pipe of fire pump shall be installed with check valve and pressure gauge as well as blow off valve for inspection and water finding; main outlet pipe of fire pump unit shall also be installed with pressure gauge and pressure relief valve. When pressure gauge is installed, set up buffer unit additionally; the control valve on suction pipe shall be installed after fixing fire pump on the foundation. The diameter shall not be less than the diameter of suction mouth of fire pump; and the butterfly valve isnt forbidden. The phenomenon of gasbag and air leakage doesnt occur on horizontal pipe section of suction pipe. The inlet and outlet of pump shall also be added with flexible connecting pipes.消防水泵的出水管上应安装止回阀和压力表，并安装检查和试水用的放水阀门；消防水泵组的总出水管上还应安装压力表和泄压阀，安装压力表时应加设缓冲装置；吸水管上的控制阀应在消防水泵固定于基础上之后再进行安装，其直径不应小于消防水泵吸水口直径，且不应采用蝶阀；吸水管水平管段上不应有气囊和漏气现象；泵的进出口应加设柔性连接管。1.4.3 Installation of gas pressure tank for fire-fighting消防气压罐安装The fire and spray systems of this project shall be equipped with gas pressure tanks on which safety valve, pressure gauge and drain pipe are installed according to the requirements of the Instructions for Products Use. The installation positions of gas pressure tank, inlet pipe and outlet pipe directions shall conform to design requirements; when installed, the surroundings of tank shall be provided with access passage with width of no less than 0.7m. The distance between the top of gas pressure tank and floorslab or girder bottom shall not be less than 1.0m. 本工程消防、喷淋系统设气压罐。气压罐上的安全阀、压力表、泄水管的安装应符合产品使用说明书的要求；气压罐安装位置、进水管及出水管方向应符合设计要求；安装时四周应设检修通道，其宽度不应小于0.7m，气压罐顶部至楼板或梁底的距离不得小于1.0m。1.4.4 Adapter of fire hydrant pump消防栓水泵接合器The adapter of wall fire pump shall be installed at wall foot of building in which there are three joints and decoration tag featured by clearness, handsome and convenient operation.墙壁消防水泵接合器安装在建筑物墙根处，墙上露出三个接口和装饰标牌，目标清晰、美观，使用方便。The installation shall be in accordance with all parts and sizes of icon (note: blow-off valve is horizontally extended to the place to be conveniently started). The fire supply pipeline using fire pump adapter shall be separated from domestic water pipe in order to prevent the pollution of domestic water (if separated unconditionally, the cutting-off shall also be ensured when using); the connections of all spare parts and underground pipelines shall be sealed to prevent the leakage. After the installation is complete, the pipelines are kept in horizontal direction and gate valve and blow-off valve are started flexibly and conducted with hydraulic test; the overflow mouth of blow-off valve and safety valve shall also be well connected with other waterways of sewer so as to draw off the remained water after using up.安装时，按图标各部位和尺寸进行安装(放水阀水平延长至开启方便处)，使用消防水泵接合器的消防给水管路，应与生活用水管道分开，以防污染生活用水(如无条件分开，也应保证使用时断开)；各零部件的连接及与地下管道的连接均需密封，以防渗漏。安装好后，应保证管道水平，闸阀、放水阀等开启应灵活，并进行水压试验；放水阀及安全阀溢水口要和下水道其它水道相通以便用完后放出余水。1.4.5 Gradient of Fire-fighting Pipeline消防管道的坡度The fire supply horizontal pipe shall be certainly gradient to discharge point. In view of very long pipeline and limited height of building, it can be horizontally installed but not beveled.消防给水横管应有一定坡度坡向泄水处，鉴于管线较长建筑高度有限可水平安装，但不得倒斜。1.4.6 Galvanized steel pipes镀锌钢管的安装All the galvanized steel pipes with no more than DN80 must be connected with silk screen. The fittings must also be galvanized fittings.镀锌钢管的安装, 所有小于等于DN80的镀锌管，必须丝接，所用配件必须是镀锌配件。When connected with screw thread of pipe, regardless of manual and machining, it shall be conducted strictly according to the standards. The main sizes of pipe screw thread shall conform to the requirements of pipe screw thread. 丝接管道螺纹时，无论手工及机械加工，应严格按标准进行，管螺纹的主要尺寸应符合管螺纹要求。After pipe screw thread is processed, screw in two or three buckles with hands and then continue to screw down with wrench; finally, leave two or three buckles from