670MW火電機(jī)組鍋爐水壓試驗(yàn)方案

1、1.編制依據(jù)1. Basis of compilation 1.1電力建設(shè)施工質(zhì)量驗(yàn)收及評定規(guī)程第2部分：鍋爐機(jī)組DL/T5210.2-20091.1 “Quality acceptance and evaluation regulations for Electric power construction(the second part:Boiler unit) ”DL/T5210.2-20091.2電力建設(shè)施工技術(shù)規(guī)范第2部分：鍋爐機(jī)組DL/T5190.2-20121.2 “Electrical power construction technical manual, the second

2、 part:boiler Unit” DL 5190.2-20121.3火力發(fā)電廠汽水管道設(shè)計(jì)技術(shù)規(guī)定DL/T5054-19961.3“Technical regulation of the Thermal power plant steaming-water piping design” DL/T5054-19961.4電力建設(shè)施工質(zhì)量驗(yàn)收及評定規(guī)程第5部分：管道及系統(tǒng)DL/T 5190.5-20121.4“Quality acceptance and evaluation regulations for electric power construction engineer (the f

3、ifth part: pipeline and system) ” DL/T 5190.5-20121.5電力基本建設(shè)熱力設(shè)備化學(xué)監(jiān)督導(dǎo)則DL/T 889-20041.5“Guide of chemistry supervision of thermalequipmentsfor power station capital construction” DL/T 889-20041.6火力發(fā)電廠焊接技術(shù)規(guī)程DL/T869-2012；1.6The thermal power plant welding technical regulation DL/T869-2012；1.7ASME動力管道B31

4、.1-20101.7“ASME CODE FOR POWER PIPING”B31.1-20101.8電力建設(shè)安全工作規(guī)程第1部分：火力發(fā)電廠DL5009.1-2002；1.8“Power plant construction security standard” DL5009.1-2002；1.9工程建設(shè)強(qiáng)制性條文(電力工程部分)2011版；1.9“Engineering construction compulsory provisions ”（electricity part）2011；2.0鍋爐說明書·鍋爐安裝（哈爾濱鍋爐廠有限責(zé)任公司編制）2.0“Boiler specifi

5、cation ·boiler installation”(Harbin boiler plant Co., Ltd, preparation)2.1鍋爐本體說明書（哈爾濱鍋爐廠有限責(zé)任公司編制）2.1“Boiler proper specification”(Harbin boiler plant Co., Ltd, preparation)2.作業(yè)范圍及工程量2 Construction scope and engineering quantity 2.1工程概況2.1 Project profile電廠1×670MW機(jī)組鍋爐是哈爾濱鍋爐廠有限公司，根據(jù)哈鍋?zhàn)灾餮邪l(fā)技術(shù)設(shè)

6、計(jì)、制造的超臨界鍋爐。該鍋爐為變壓運(yùn)行、一次中間再熱、單爐膛、平衡通風(fēng)、固態(tài)排渣、全鋼架懸吊結(jié)構(gòu)、露天布置的“”型超臨界直流鍋爐。帶有內(nèi)置式再循環(huán)泵的啟動系統(tǒng)，采用低NOX燃燒技術(shù)，24只燃燒器分6層布置，采用切圓燃燒方式，配北京電力設(shè)備總廠6臺ZGM133G-中速磨煤機(jī)直吹式制粉系統(tǒng)，鍋爐在BMCR工況下，5運(yùn)1備。1 × 670MW unit boiler belongs to Harbin boiler plant co., Ltd., and it is supercritical boiler designed and manufactured according to t

7、echnology independent researched by the Harbin boiler plant co., Ltd.This boiler is type supercritical once-through boiler of variable pressure operation, once reheating, single furnace, balanced ventilation, dry slagging, full steel suspension structure, and open layout. With start-up system of bui

8、lt-in recirculation pump, using low NOx combustion technology, 24 sets burns are arranged in 6 layers, using tangential firing method, with 6 sets ZGM133G-medium-speed coal mill direct blowing type coal pulverizing system from Beijing power equipment group, in the BMCR work condition the 5 sets boil

9、er operation and one for preparation. 鍋爐采用全鋼結(jié)構(gòu)構(gòu)架，高強(qiáng)螺栓連接。受熱面呈“”型布置，爐膛上部有屏式過熱器；水平煙道中布置有末級過熱器、末級再熱器；后煙道有中間隔墻，豎井前部布置水平低溫再熱器、立式低溫再熱器，豎井后部布置水平低溫過熱器、立式低溫過熱器和省煤器。Boiler adopts the full steel structure framework, connection with high strength bolts. Heating surface arrangement by type, there is platen superh

10、eater in the furnace upper part; arrange the final-stage superheater and final-stage reheater in the horizontal flue; rear pass has midfeather, in the front of vertical shaft arrangement horizontal low-temperature reheater and vertical low-temperature reheater, in the back of vertical shaft layout h

11、orizontail low-temperature superheater, vertical low-temperature superheater and economizer.鍋爐型號boiler model：HG2076/25.4HM16主要參數(shù) main parameter過熱蒸汽superheated steam：BMCR流量flow 2076.41t/hBMCR出口壓力outlet pressure 25.4MPaBMCR出口蒸汽溫度steam temperature of outlet571°C再熱蒸汽reheated steam: BMCR蒸汽流量steam fl

12、ow 1728.61t/h進(jìn)/出口蒸汽壓力steam pressure of inlet&outlet4.464/4.274MPa 進(jìn)口/出口蒸汽溫度steam temperature of inlet & outlet318.8/569給水溫度feed-water temperature：291.42.2作業(yè)范圍及主要工程量2.2 construction scope and main engineering quantity鍋爐水壓試驗(yàn)范圍:Boiler hydraulic test scope:本次水壓包括一次汽系統(tǒng)及連接管道、二次汽系統(tǒng)及連接管道、鍋爐本體范圍內(nèi)一次門以

13、內(nèi)的承壓管道。具體如下：This hydraulic test includes superheater steam system with connection pipeline, reheater steam system with connection pipeline, pressure-bearing pipeline within first valve within the boiler proper scope. Specific as following: 2.2.1一次汽系統(tǒng)包括：主給水及給水旁路電動閘閥（10LAB70AA003、10LAB70AA002）、過熱器減溫水總

14、管3#閘閥后至省煤器入口集箱間管道、省煤器、省煤器連接導(dǎo)管（溢流管路暖管至10HAC13AA005電動截止閥）、循環(huán)泵暖管、四側(cè)水冷壁、汽水分離器、貯水箱、啟動循環(huán)泵殼（含臨時(shí)堵板）、頂棚過熱器、包墻過熱器、中間隔墻、低溫過熱器、一級減溫器（至過熱器一級噴水減溫10LAE11AA002、10LAE11AA004電動截止閥）、分隔屏過熱器、二級減溫器（至過熱器二級噴水減溫10LAE12AA002、10LAE12AA004電動截止閥）、末級過熱器、主汽管道（J列柱中心向爐前2190mm處）水壓堵板前部分。鍋爐本體過熱器系統(tǒng)：末級過熱器出口至安全閥水壓試驗(yàn)堵頭。2.2.1Superheater st

15、eam system includes: main feed-water and electric gate valve of feed-water bypass （10LAB70AA003、10LAB70AA002）, from the back of 3# gate valve of superheater desuperheating water main to the header pipeline of economizer inlet, economizer, economizer connection tube (from the warming pipe of overflow

16、 pipeline to 10HAC13AA005electric stop valve), circulating pump warming pipe, four sides water-cooled wall, steam-water separator, water storage tank, start-up circulating pump casing （including engineered temporary blocking plate）, roof superheater, enclosure wall superheater, midfeather, low-tempe

17、rture superheater, first level desuperheater (to 10LAE11AA002、10LAE11AA004 electric stop valve of superheater first level spray desuperheating), separate platen superheater, second level desuperheater (to 10LAE12AA002、10LAE12AA004 electric stop valve of superheater second level spray desuperheating)

18、, final-stage superheater, front part of the hydraulic test blocking plate of the main steam pipeline (at the 2190 mm from J column center to the boiler front).Superheater system of the boiler proper: hydraulic test plug, from the final-stage superheater outlet to safety valve hydraulic test cap.2.2

19、.2二次汽系統(tǒng)包括：冷段管道水壓試驗(yàn)堵閥后至低溫再熱器入口集箱間管道、低溫再熱器、減溫器噴嘴暖管、再熱器減溫器（至再熱器噴水減溫器管路10LAF70AA011、10LAF70AA013電動截止閥）末級再熱器、末級再熱器出口管道水壓堵閥前部分。2.2.2Reheater steam system includes: from the back of the hydraulic test blocking valve of cold section to the header house of the low temperature reheater inlet, low temperature

20、reheater, warming pipeline of desuperheator nozzle, reheater desuperheator (to 10LAF70AA011、10LAF70AA013 electric stop valve of the reheater spray desuperheator pipeline) final-stage reheater, the front part of the hydraulic test blocking valve of the final-stage reheater outlet pipeline.2.2.3鍋爐本體范圍

21、內(nèi)一次門以內(nèi)承壓管道2.2.3Pressure-bearing pipeline within the first valve in the boiler proper scope.2.2.3.1疏放水管道：2.2.3.1Drain& blow-down pipeline:包墻及低過疏水wrapped wall and low drainage給水疏水 feed-water drainage折焰角入口匯集集箱疏水drainage of the furnace arch inlet collection header水冷壁中間集箱疏水drainage of the header at t

22、he water-cooled wall middle低溫再熱器疏水 drainage of the low temperature reheater減溫水疏水 drainage of the desuperheating water循環(huán)泵再循環(huán)管疏水 drainage of the circulating pump recirculating pipe水冷壁疏水 drainage of the water-cooled wall2.2.3.2放氣管道2.2.3.2Blow-off pipeline頂棚入口管道放氣air vent of the ceiling inlet pipeline頂棚

23、旁路管道放氣air vent of the ceiling bypass pipeline分離器入口連接管道放氣air vent of the separator inlet connection pipeline下降管放氣air vent of the downcomer水冷壁中間集箱平衡管放氣air vent of the balance pipe of the water-cooled wall middle header 包墻連接管放氣air vent of the wrapped wall connection pipe分隔屏入口集箱連接管放氣air vent of the conn

24、ection pipe of the separated platen inlet header省煤器出口放氣air vent of the economizer outlet充氮管道放氣air vent of the nitrogen filling pipeline2.2.3.3蒸汽及爐水取樣管道：2.2.3.3sampling pipeline of the steam and boiler water頂棚入口管道取樣 sampling of the ceiling inlet pipeline溢流管取樣 sampling of the overflow pipe省煤器入口取樣 samp

25、ling of the economizer inlet過熱器減溫器取樣 sampling of the superheater desuperheator循環(huán)泵再循環(huán)管取樣 sampling of the circulating pump recirculating pipe過熱器出口取樣 sampling of the superheater outlet再熱器出口管道取樣 sampling of the reheater outlet pipeline2.2.3.4本體及預(yù)熱器吹灰器汽源引出管及一次門2.2.3.4Steam source educing pipe and the fir

26、st valve of boiler body and preheater soot blower2.2.3.5鍋爐本體水壓試驗(yàn)臨時(shí)系統(tǒng)。2.2.3.5Engineered temporary system of the boiler proper hydraulic test2.3鍋爐本體水壓時(shí)各系統(tǒng)水容積2.3Each system water capacity when making boiler proper hydraulic test名稱 name省煤器economizer啟動系統(tǒng)Start-up system水冷壁Water-cooled wall過熱器superheater再熱

27、器reheater臨時(shí)系統(tǒng)Temporary system合計(jì)total容積（M3）capacity602582166382507652.4水壓試驗(yàn)用藥量2.4Dosage of the hydraulic test鍋爐水壓上水加藥量按照聯(lián)氨含量為250300mg/L、PH值為1010.5。The additional dosage for the boiler hydraulic test water filling following the hydrazine content 250300mg/L, and PH value is 1010.5.加藥量計(jì)算：水壓用水容積為2000 m&#

28、179;（包括附屬管道和臨時(shí)管道及沖洗用水，按照2.6倍水容積準(zhǔn)備除鹽水）The additional dosage calculation: Hydrostatic test water use volume is 2000 m³（including auxiliary pipeline, temporary pipeline, and flushing water, and prepare desalted water following 2.6 times of water capacity）故50%濃度聯(lián)氨（N2H4）用量為：2000×1000×300&#

29、215;10-6 ÷50%=1200kgHence, The hydrazine (N2H4) with 50% concentration content: 2000×1000×300×10-6 ÷50%=1200kg考慮裕量：50%濃度聯(lián)氨用量按1400kg備藥Consideration allowance: ammonium hydrazine(N2H4) with 50% concentration content according to the 1400kg medicine preparation.25%濃度的氨水（NH3

30、3;H2O）含量按500 mg/L計(jì)算The ammonium hydroxide(NH3 ·H2O) with 25% concentration content calculation according to 500mg/L.25%濃度的氨水用量為：2000×1000×500×10-6÷25%=4000kgThe ammonium hydroxide(NH3 ·H2O) with 25% concentration content is: 2000×1000×500×10-6÷25%=40

31、00kg考慮裕量：25%濃度的氨水用量按4200kg備藥。Consideration allowance: ammonium hydroxide(NH3 ·H2O) with 25% concentration content according to the 4200kg medicine preparation.2.5鍋爐整體水壓試驗(yàn)壓力2.5Pressure of the hydraulic test for the whole boiler直流爐水壓試驗(yàn)按ASME規(guī)范分兩部分進(jìn)行，鍋爐的汽水系統(tǒng)、過熱器和省煤器作為一次汽系統(tǒng)，以1.5倍鍋爐末級過熱器出口設(shè)計(jì)壓力（最高允許工作

32、壓力）進(jìn)行水壓試驗(yàn)；再熱器系統(tǒng)以1.5倍一級再熱器入口集箱設(shè)計(jì)壓力（最高允許工作壓力）進(jìn)行水壓試驗(yàn)。即：一次汽水壓試驗(yàn)壓力為27.5×1.5=41.25MPa二次汽水壓試驗(yàn)壓力為5.2×1.5=7.8MPaAccording to the ASME specification dividing the Once-through boiler hydraulic test into two parts for operation, steam-water system, super-heater and economizer of the boiler as the supe

33、rheater steam system, making the hydraulic test with the pressure that is 1.5 times of design pressure of the final-stage superheater outlet (the maximum allowable working pressure); the reheater system makes hydraulic test with the pressure that is 1.5 times of design pressure of the first level re

34、heater inlet header (the maximum allowable working pressure). That is: the superheater steam hydraulic test pressure is 27.5×1.5=41.25MPaThe reheater steam hydraulic test pressure is 5.2×1.5=7.8MPa2.6水壓試驗(yàn)的目的：2.6 The objective of the hydraulic test2.6.1檢驗(yàn)鍋爐受壓部件的強(qiáng)度。2.6.1Inspecting the streng

35、th of the boiler pressure parts.2.6.2檢驗(yàn)鍋爐受壓部件的嚴(yán)密性。2.6.2Inspecting the rigor of the boiler pressure parts.3.施工前具備的條件3. Conditions prepared before the construction 3.1水壓試驗(yàn)方案編制完成，經(jīng)審批合格。3.1 The hydraulic testconstruction scheme shall be completed and approved.3.2水壓范圍內(nèi)的所有受壓件焊接工作全部結(jié)束，并已無損檢測和熱處理完畢，返修口已全部處理

36、完并檢驗(yàn)合格。所有合金元件的材質(zhì)均經(jīng)過核對，并確認(rèn)無錯用現(xiàn)象。3.2 Welding work for all pressure parts all over in the hydraulic test scope, and the non-destructive testing and heat treatment have been completed, rework mouth has been completely processed and inspection qualified. Material of all alloy elements has through checked

37、 and confirms there is no misuse phenomenon.3.3鍋爐密封裝置一次密封件安裝、焊接完畢（主要包括頂棚及分隔屏內(nèi)護(hù)板、后煙道頂棚管內(nèi)護(hù)板、后煙道煙氣分配折流板、水平煙道后部內(nèi)護(hù)板、后煙道膨脹節(jié)、尾部煙道膨脹密封裝置等）。3.3installation and welding for primary sealing workpiece of boiler sealing device are finished. (mainly includes ceiling, division screen inner protect plate, rear air

38、duct ceiling pipe interior protect plate, rear air duct distribute baffle plate, horizontal air duct rear interior protect plate，rear air duct expansion joint, tail air duct expansion sealing device, etc.)3.4鍋爐附件安裝完畢（主要包括吹灰孔、看火孔、檢修孔、熱工測點(diǎn)密封盒、火焰電視監(jiān)視孔、繩孔裝置等）。3.4 Boiler accessories installation complete

39、 (main includes soot blowing hole, observation hole, manhole, thermal measure point seal box, monitoring hole of fire eye, rope-hole device, and so on.).3.5所有吊桿受力均勻，臨時(shí)加固支撐件全部拆除，懸吊部件全部處于自由狀態(tài)。3.5 All suspenderforce evenly, remove all temporary strengthening strutting pieces, suspension parts all in a

40、state of freedom.3.6臨時(shí)上水管施工結(jié)束，排水通暢，樓梯通道暢通安全，爐膛內(nèi)外照明良好。3.6 Temporary water supply pipeline construction finished, drainage unobstructed, stair channel is unimpeded and safe, lighting good on the interior and exterior of the furnace.3.7水壓試驗(yàn)臨時(shí)管路沖洗完成，目測水質(zhì)澄清，上水泵、啟動升壓泵經(jīng)試轉(zhuǎn)合格。3.7 Flushing complete for the te

41、mporary pipeline in the hydraulic test, visual inspection the water clean without sundry and quality well, through test run the feed-water pump and start-up booster pump qualified.3.8所有膨脹指示器安裝完畢并調(diào)整到零位。3.8 All the expansion indicator installation finished and adjusted to zero.3.9 3000m³除鹽水箱除鹽水滿足

42、水壓用水量和水質(zhì)要求。鍋爐整體水壓試驗(yàn)要求環(huán)境溫度不得低于5；3.9 Demineralized water of 3000m³demineralized water tank meet the requirements of the hydraulic test water consumption and the water quality. The required environmental temperature cannot less than 5 in the whole boiler hydraulic test.3.10水壓試驗(yàn)用壓力表、溫度表等儀表經(jīng)校驗(yàn)合格，安裝位

43、置合理，并配備有備用表，防止升壓過程中因?yàn)楣艿勒饎佣斐蓧毫Ρ頁p壞。3.10 The pressure gauge, thermometer and other instruments that is used in the hydraulic test through the calibration qualified, the installation position is reasonable, and are equipped with a spare table, to prevent pressure gauge damage because of the pipeline vi

44、bration during raising pressure.3.11水壓試驗(yàn)用的臨時(shí)堵板必須經(jīng)過強(qiáng)度校核，水壓試驗(yàn)期間非工作人員不得進(jìn)入現(xiàn)場，停止鍋爐范圍內(nèi)的一切施工。3.11 The temporary blocking plate must pass intensity checking that used for the hydraulic test, during the hydraulic test the non-working personnel shall not enter the site, stop all construction within the scope

45、of boiler.3.12在水壓試驗(yàn)前對受壓部件進(jìn)行風(fēng)壓試驗(yàn)，風(fēng)壓試驗(yàn)壓力為0.3MPa，試驗(yàn)介質(zhì)為壓縮空氣。3.12 Making the air pressure testfor the pressure parts before the hydraulic test, the pressure of the air pressure test is 0.3 MPa, the test medium is compressed air.3.13水壓試驗(yàn)安全、技術(shù)、質(zhì)量措施已交底并辦理相關(guān)手續(xù)，水壓試驗(yàn)組織機(jī)構(gòu)和人員分工已落實(shí)。參與水壓試驗(yàn)的系統(tǒng)、閥門、水泵及電氣操作設(shè)備均應(yīng)標(biāo)識清楚，并掛

46、臨時(shí)標(biāo)識牌。操作卡已編制好，操作人員已掌握。3.13 The security, technology, and quality measures of the hydraulic test have disclosure and deal with relevant formalities, hydraulic test organization structure and personnel division of labor have been implemented. The system, valve, water pump and electrical operation equi

47、pment that are involved and related to the hydraulic test shall be clearly marked, and hang a temporary identity card. Operation card have been prepared completely, the operator has been mastered.3.14水壓試驗(yàn)系統(tǒng)圖、升降壓曲線圖、組織機(jī)構(gòu)圖已張掛于現(xiàn)場。3.14 The hydraulic test system diagram, the lifting pressure curve, and o

48、rganization chart have been hanged in the site.3.15鍋爐注水前與業(yè)主一同對鍋爐鋼結(jié)構(gòu)的沉降觀測點(diǎn)進(jìn)行檢查。3.15Inspect the settlement observation point of boiler steel structure with the owner before boiler pressure pipeing filling water 4.工期要求及勞動力配備4. Construction Duration and Labor Allocation4.1工期要求4.1 Construction duration計(jì)劃

49、開工日期2015年11月20日，計(jì)劃完成日期2015年11月30日。 Plan to start installation on November -20-2015, and complete on November -30-2015.4.2勞動力配置計(jì)劃4.2 labor force allocation plan序號No.作業(yè)人員/工種Types of worker數(shù)量quantity職責(zé)duty1總指揮General director1負(fù)責(zé)鍋爐水壓的整體控制工作。In charge of boiler hydraulic pressure. 2副總指揮Vice director-gene

50、ral2協(xié)調(diào)、組織水壓試驗(yàn)的實(shí)施工作。Coordinate and organize implementation works of hydraulic test.3操作組負(fù)責(zé)人Operation group director2負(fù)責(zé)鍋爐上水、停泵檢查、升壓、泄壓等所有操作的指揮、控制工作。In charge of all the operation commands and control works related to water filling, pumping cease inspection, boost, pressure relief and so on. 4閥門操作負(fù)責(zé)人Val

51、ve operation director2負(fù)責(zé)水壓過程中閥門操作的安排及檢查工作。Responsible for arranging and inspection work pressure during the valve operation. 5水泵操作負(fù)責(zé)人The pump operation director2負(fù)責(zé)上水泵、升壓泵的啟動及停止操作工作，負(fù)責(zé)上水泵、升壓泵的檢查及維護(hù)工作。In charge of charging pump, booster pump launch and halt operations, and inspection and maintenance o

52、perations about charging pump and booster pump. 6水箱加藥負(fù)責(zé)人Water tank dosing director1負(fù)責(zé)上水前除鹽水箱加藥工作，負(fù)責(zé)加藥數(shù)量的記錄工作。In charge of demineralized water tank dosing operation, and the dose quantity record before water charging. 7升壓力記錄人Pressure recorder1負(fù)責(zé)水壓期間一、二次系統(tǒng)升壓及泄壓記錄工作。In charge of records about primary,

53、secondary system boost and pressure relief during water charging. 8供電負(fù)責(zé)人Power supply director2負(fù)責(zé)水壓期間鍋爐照明、上水泵、升壓泵的電力保障工作。In charge of power supply for boiler illumination, charging pump and booster bump during water charging. 9檢查組負(fù)責(zé)人Inspection group director2負(fù)責(zé)各檢查階段的設(shè)備檢查、人員組織及清點(diǎn)工作，對檢查情況進(jìn)行記錄并報(bào)告操作組負(fù)責(zé)人。

54、In charge of equipment inspection, personnel organization and checking operation in every stage and record all the inspection result, report to operation director. 10膨脹檢查記錄人Expansion inspection  recorder1負(fù)責(zé)水壓期間膨脹檢查、膨脹指示記錄工作。In charge of recording about expansion inspection, indication during hy

55、draulic test. 11物資供應(yīng)負(fù)責(zé)人Material support director3負(fù)責(zé)整體水壓設(shè)備、材料、表計(jì)、藥品采購及供應(yīng)工作；負(fù)責(zé)水壓藥品合格證提供工作。In charge of procurement and supplying for whole hydraulic equipment, material, meter and chemicals, ensure hydraulic chemicals certification presentation. 12后勤保障負(fù)責(zé)人Logistical support director3負(fù)責(zé)水壓期間各項(xiàng)后勤保障工作，負(fù)責(zé)應(yīng)急

56、救護(hù)工作。In charge of various logistical service during water charging and emergency rescue. 13安全組負(fù)責(zé)人Safety group inspection director4負(fù)責(zé)整體水壓前及過程中的安全檢查及驗(yàn)收工作。In charge of safety inspection and acceptance before and during whole water charging. 14取樣檢驗(yàn)負(fù)責(zé)人Sampling director 1負(fù)責(zé)水壓用水的水質(zhì)取樣及送檢工作。In charge of hydr

57、aulic test water sampling and inspection. 15檢查驗(yàn)收組Quality supervision group 41.負(fù)責(zé)水壓前壓力表計(jì)校驗(yàn)送檢及取證工作；2.負(fù)責(zé)水壓藥品合格證保存及報(bào)驗(yàn)工作3.負(fù)責(zé)水壓用水的取樣送檢及取證工作；4.負(fù)責(zé)整體水壓試驗(yàn)前及過程中的質(zhì)量檢查、驗(yàn)收取證及簽證辦理工作。1. in charge of pressure meter calibration inspection and certification acquirement; 2. in charge of hydraulic chemicals certification preservation and declaration; 3.in charge of hydraulic test water sampling and certification acquirement; 4, in charge of quality test, acceptance inspection and certificates applying before and durin