接地裝置安裝方案

1、04-上海-IIP-SHF-501上海聯(lián)合異氰酸脂工程項目Shanghai Integrated Isocyanates Project (IIP)防雷接地裝置安裝方案Installation Scheme for LightningProtection and Earthing Device合同號：A0ZH00-SL-C3041D/SB-C2041D編制 Edit：馮啟勝審核 Review：邱祥明批準 Approval：甘繼榮南化集團建設公司上海工程項目部NCIGCC Shanghai Project DepartmentJan 2005上海聯(lián)合異氤酸脂工程項目施工方案防雷接地裝置安裝方案第

2、2頁共7頁 TOC o 1-5 h z 工程概況General 3編制依據(jù) Edit reference 3施工程序及施工技術措施 Construction Procedure and Technical Measure ofConstruction 4上海聯(lián)合異氤酸脂工程項目施工方案防雷接地裝置安裝方案第3頁共7頁工程概況General該工程由我單位承建的接地裝置部分主要包括A400,B400,B600,A520,A545周 圍的主接地網(wǎng)，并接連到A500和A600區(qū)的接地網(wǎng)，并提供和安裝 B501,B545,B609,B620,B648,A520,A545 和 B541 的接地連接到主接地

3、網(wǎng)，SBPC 接地 連接到SLIC北和SLIC南接地網(wǎng)，安裝圍墻和街燈的接地棒并連接到主接地網(wǎng)，安 裝管廊柱的接地并連接到主接地網(wǎng)。安裝SLIC北的主接地 網(wǎng),B343,B342,B345,B350,B330,B325,B301,B321,B330 和 B341 接地連接到主接地網(wǎng), SLIC北的接地連接到SBPC,SLIC南和HPS接地網(wǎng)，安裝圍墻和街燈的接地棒并連接到 主接地網(wǎng)，安裝管廊柱的接地并連接到主接地網(wǎng).The main earthing device, which constructed by our company, included the main earthing net

4、 at peripheral of A400, B400, B600, A520, and A545. And also connect to the earthing net of A500 and A600 area, supply and install the earthing connecting of B501, B545, B609, B620, B648, A520, A545 and B541 to the main earthing net, SBPC earthing connect to north of SLIC and south of SLIC, install

5、the ground rod of fence and streetlamp and connect to the main earthing net, install the earthing of pipe rack column and connect to the main net. As well as the earthing net at north of SLIC, make the earthing net of B343, B342, B345, B350, B330, B325, B301, B321, B330 and B341 connect to the main

6、net, connect the earthing from north of SLIC to SBPC, south of SLIC and earthing net of HPS, install the ground rod of fence and streetlamp and connect to the main earthing net, install the earthing of pipe rack column and connect to the main net.編制依據(jù) Edit reference由中國成達工程公司提供的相關施工圖及配套的安裝圖集Related c

7、onstruction drawing and allocated installation drawing which offered by China Chengda Engineering Company.由中國石化集團上海工程有限公司提供的相關施工圖及配套的安裝圖集Related construction drawing and allocated installation drawing which offered by China Petrochemical Group Shanghai Engineering Company Ltd.電氣裝置安裝工程電纜線路施工及驗收規(guī)范GB50

8、168-92 GB50168-92電氣裝置安裝工程接地裝置施工及驗收規(guī)范GB50169-92 GB50169-92上海聯(lián)合異氤酸脂工程項目施工方案防雷接地裝置安裝方案第4頁共7頁施工程序及施工技術措施 Construction Procedure and Technical Measure of Construction1施工前準備：首先組織施工班組及有關人員熟悉有關施工圖、資料、規(guī)范、標準等，主管技術人員向施工班組作技術交底并作好技術交底資料，使施工人員熟悉該工程 的技術要求及要領，以便順利完成電氣安裝工作。Previous construction: Organize constructi

9、on team and related personnel to be acquainted with respective construction drawing, data, specification and standard etc. Chief technician shall make technical orientation for construction team and let them familiar with key technical requirement in convenience to finish electrical installation fav

10、orably.隱蔽工程隱蔽之前，應辦理隱蔽工程驗收記錄，經(jīng)自檢和工程監(jiān)理驗收合格后方可 隱蔽。Previous to concealment, prepare conceal work acceptance records, conceal work could only start after self-checking and approved by construction supervision company.電氣安裝工程總則 General code for electrical installationa）必須按照圖紙中的施工說明進行施工；Construction accordi

11、ng to the illustration of construction drawing;b）所有電氣設備安裝應嚴格按照施工圖及有關規(guī)范要求及施工程序進行；All electrical equipment shall strictly as per construction drawing and related requirement of specification as well as construction procedure.c）所有在室內(nèi)安裝的電氣設備在運至安裝地點之后方能開箱并進行最初檢驗；All electrical equipment for room installa

12、tion could only be opening after delivery to the installation site and perform primary inspection at site.d）危險區(qū)域的電氣設備安裝應嚴格按（防火、防腐）要求進行；Electrical equipment installation for danger zone shall be performed as per requirement of fireproofing and antisepsis.防雷接地裝置安裝 Installation for lightning protection

13、 and earthing device1）防雷、接地裝置安裝應嚴格按施工圖施工。Installation for lightning protection and earthing device shall be constructed according to the construction drawing stringent.2）防雷接地裝置所用材料應符合規(guī)定及設計要求，并且有合格證。The material for lightning protection and earthing device shall conform to the requirement of stipulat

14、ion and designing along with qualified certificate.3）接地裝置的埋地和隱蔽部分，經(jīng)驗收合格后方可隱蔽，并做好記錄。上海聯(lián)合異氤酸脂工程項目施工方案防雷接地裝置安裝方案第5頁共7頁Embedded and concealment part of earthing device could only be concealed after inspection and qualified together with records.4）接地電阻值應符合設計要求。The value of earthing resistance shall be in

15、 conformance with design requirement.5）按照設計要求，不帶電的金屬殼體均要接地。According to design requirements, all metal shell without electriferous shall be earthing.6）下列情況，均應接地：All following instance shall be earthing:變壓器中性點應工作接地。Neutral point of transformer shall work earthing.開關柜基礎、電機、變壓器和其它電氣設備的金屬外殼和底座均應接地。Found

16、ation of switch cabinet, outside shell and pedestal of electrical machinery, transformer and other electrical equipment shall be earthing.電力電纜、控制電纜的金屬護套、保護鋼管、電纜支架均應接地。Cable of electric power, metal jacket, and protection steel pipe along with cable support for controlling cable shall be earthing.電流互

17、感器的二次線圈應接地。Secondary coil of current mutual inductor shall be earthing.施工技術措施：根據(jù)接地裝置平面布置圖標出的接地體和接地線的位置放線，接地體距建筑物至少3m,并根據(jù)設計圖標出的接地體和接地線的材質(zhì)、規(guī)格備料。Construction technical measure: Pulling the line as per the position of earthing object and grounding cable which marked in plane drawing of earthing device,

18、minimum distance from earthing object to building shall be 3m, and prepare material according to the texture and dimension of earthing object and grounding cable which marked in the designing drawing.1）接地極安裝：接地極采用熱鍍鋅鋼棒20mmDIA. X3OO0mml。按設計圖紙要求沿接 地體的路線挖一深0.81m、寬0.5m的溝，然后用手錘將接地體垂直地打入地中。 接地體的頂端應露出溝底300

19、mm，以便與接地線連接，每根接地極都配有300X 350mm混凝土檢查井（詳見安裝圖例）。Installation for earthing pole: Utilizing of hot galvanized rod 20mmDIA. X 3OO0mml for earthing pole. Dig a drench with depth of 0.8 1m and width of 0.5m along with the route of earthing object as per designing drawing, then drive the earthing object into

20、 ground by using a hammer. The top of earthing object shall be protrudent with 300mm at the bottom of the drench in convenience to connect with earthing cable, each grounding pole allocate with防雷接地裝置安裝方案300 x 350mm concrete inspection well （See details of legend of installation）2）接地線敷設：主接地網(wǎng)采用70mm2裸銅

21、絞線，分支接地線采用黃/綠PVC絕緣護套 線，接地線水平埋設于地下0.6m處，敷設時可先挖一深度不小于0.6m、寬0.5m的 溝，將接地線水平埋入溝中，所有接地線均采用壓縮連接。Laying for earthing cable: Main earthing net using 70mm2naked copper twist cable, branch earthing cable using yellow/green PVC insulated jacket cable, earthing cable embedded in level to the ground at the depth

22、of 0.6m. While laying, first dig a drench with depth of no less than 0.6m and width of 0.5m, embedded the earthing cable in level to the drench, all earthing cable using compress connecting.3）接地電阻測量：各裝置區(qū)接地施工完后，均應采用接地電阻測試儀進行測量，接 地電阻不大于4歐姆，如不滿足要求，另在設計及甲方認可后增設接地極。Earthing resistance measurement: After

23、finished construction for each device area earthing work, should be measured by earthing resistance measurement instrument, the earthing resistance shall be no less than 4 ohm, if can not meet requirement, add earthing pole after approved by the client.4）路燈電纜敷設：Streetlamp cable laying:a）電纜及其附件到達現(xiàn)場后，

24、應按下列要求進行檢查：產(chǎn)品的技術文件齊全。電纜型號、規(guī)格、長度應符合要求，附件齊全，電纜外觀不應受損。After the cable and attachment arrived site, perform inspection according to the following requirement: whole set of technical documents. Type, size and length of cable conforms to the requirements together with whole set of accessory, no damage on

25、the appearance of the cable.b）敷設前應按設計和電纜表對號入座進行敷設，敷設前電纜試驗合格。Check the number with the seat as per design and cable list previous to lay, and the testing for cable shall be qualified previous to lay.c）電纜在終端頭與接頭附件宜留有備長度。Cable shall keep spare length at the terminal end and joint accessory.d）電纜各支持點間的距離

26、及最小彎曲應符合要求：The distance between each cable support point and the minimum curve shall be in conformance with requirement:e）電纜上應按規(guī)定裝設標志牌。Identification plate shall be furnished on the cable as per stipulation.f）直埋電纜的敷設應按下列要求：Laying for directly embedded cable shall meet the following requirement:上海聯(lián)合異

27、氤酸脂工程項目施工方案防雷接地裝置安裝方案第7頁共7頁g）電纜表面距地面距離0.6m。The distance from the surface of cable to the ground should be 0.6m.h）電纜之間平行和交叉時的最小凈距應符合規(guī)范要求。The minimum net distance between parallel and cross of cables shall conform to the specification requirement.i）電纜穿過道路時，應加保護管。The cable shall be protected with protection pipe while through the road.j）直埋電纜的上、下都應鋪不小于100mm厚的沙層，并加保護蓋板。The top and bottom of directly embedded cable shall be paved wi