室內消防管道及設備安裝工藝技術交底.doc
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交底內容:
室內消防管道及設備安裝
1 范圍
本工藝標準適用于民用和一般工業建筑的室內消防自動噴灑系統和消火栓系統的管道及設備安裝工程。
2 施工準備
2.1 材料要求:
2.1.1 消防噴灑管材應根據設計要求選用,一般采用鍍鋅碳素鋼管及管件,管壁內外鍍鋅均勻,無銹蝕、無飛刺,零件無偏加、方扣、絲扣不全、角度不準等現象。
2.1.2 消火栓系統管材應根據設計要求選用,一般采用碳素鋼管或無縫鋼管,管材不得有彎曲、銹蝕、重皮及凹凸不平等現象。
2.1.3 消防噴灑系統的報警閥、作用閥、控制閥、延遲器、水流指示器、水泵結合器等主要組件的規格型號應符合設計要求,配件齊全,鑄造規矩,表面光潔,無裂紋,啟閉靈活,有產品出廠合格證。
2.1.4 噴灑頭的規格、類型、動作溫度應符合設計要求,外型規矩,絲扣完整,感溫包無破碎和松動,易熔片無脫落和松動。有產品出廠合格證。
2.1.5 消火栓箱體的規格類型應符合設計要求,箱體表面平整、光潔。金屬箱體無銹蝕,劃傷,箱門開啟靈活。箱體方正,箱內配件齊全。栓閥外型規矩,無裂紋,啟閉靈活,關閉嚴密,密封填料完好,有產品出廠合格證。
2.2 主要機具:
2.2.1 套絲機,砂輪鋸,臺鉆,電錘,手砂輪,手電鉆,電焊機,電動試壓泵等機械。
2.2.2 套絲板,管鉗、臺鉗,壓力鉗,鏈鉗,手錘,鋼鋸,扳手,射釘槍,倒鏈、電氣焊等工具。
2.3 作業條件:
2.3.1 主體結構已驗收,現場已清理干凈。
2.3.2 管道安裝所需要的基準線應測定并標明,如吊頂標高、地面標高、內隔墻位置線等。
2.3.3 設備基礎經檢驗符合設計要求,達到安裝條件。
2.3.4 安裝管道所需要的操作架應由專業人員搭設完畢。
2.3.5 檢查管道支架、預留孔洞的位置、尺寸是否正確。
2.3.6 噴灑頭安裝按建筑裝修圖確定位置,吊頂龍骨安裝完按吊頂材料厚度確定噴灑頭的標高。封吊頂時按噴灑頭預留口位置在頂板上開孔。
3 操作工藝
3.1 工藝流程:
Cards on the table contents:
Fire service piping and equipment installation
1 Scope
This technology is applicable to civil and general industrial building indoor fire sprinkler systems and fire hydrant system piping and equipment installation.
2 construction preparation
2.1 Material Requirements:
2.1.1 fire sprinkler pipe shall be selected according to design requirements, the general use of galvanized carbon steel pipe and pipe fittings, galvanized inside and outside wall of uniform, no rust, no flying stab, plus parts unbiased, side buttons, threaded incomplete perspective not allowed and so on.
2.1.2 pipe hydrant system design requirements should be selected according to the general use of carbon steel pipe or seamless steel pipe, tubing, there is no bending, rust, heavy leather and rough and so on.
2.1.3 fire sprinkler system, alarm valve, the role of valves, control valves, retarders, water flow indicator, pump combiners and other major components of the standard model should meet the design requirements, complete accessories, casting rules, smooth surface, no cracks, flexible and open and close, have a product factory certification.
2.1.4 sprinkler head size, type, operating temperature should be consistent with design requirements, appearance rules, threaded integrity, temperature of non-broken and loose, easy to melt off and no loose pieces. Have a product factory certification.
2.1.5 Hydrant box type should conform to the specifications of the design requirements, box smooth surface, bright and clean. Metal box no rust, scratches, door open and flexible. Founder box, box and complete accessories. Plug valve shape the rules, no crack, opening and closing a flexible, closed tight, sealed packing intact, the product factory certification.
2.2 Main equipment:
2.2.1 threading machine, wheel saws, bench drill, electric hammer, hand wheels, hand drills, welding machines, electric test pressure pump and other machinery.
2.2.2 sets of silk panels, pipe wrench, vise, pressure clamp, chain pliers, hammers, hacksaw, wrench, firearm, down chain, Gas Welding and other tools.
2.3 Operating conditions:
2.3.1 Acceptance of the main structure has been the scene has been cleaned.
2.3.2 Pipe Installation baseline needed to be measured and marked, such as ceiling elevation, ground elevation, location of lines within the walls.
2.3.3 equipment meet the design requirements based upon testing, to installation conditions.
2.3.4 installation of pipelines needed to operate aircraft should be completed professional erection.
2.3.5 checking pipe support, reserve position of holes, size is correct.
2.3.6 sprinkler head installed in accordance with building renovation plans determine the location, ceiling keel ceiling material installed thickness determined by spraying head elevation. Press the spray head ceiling closure reserve position in the roof on mouth opening.
3 Operation Process
3.1 Process:
