埋地管道施工方案(Rev3)

目录

Content

1编制说明 Explanation (1)

2编制依据 Basis (1)

3施工程序 Construction Principle (2)

4 施工前准备 Construction preparation (2)

5 施工方法及质量要求 Technology and quality requirements (3)

6 安全技术措施 Safety and technology measures (13)

7劳动力配置计划 Manpower schedule (14)

8主要工、机具计划和手段用料计划 Equipment, tools and material schedule (15)

9检验、测量器具配备表 Inspection and measuring gage (16)

1编制说明 Explanation

上海孚宝港务有限公司漕泾罐区埋地管道依据目前2004年3月3日RCC提供的地下消防管施工图。此方案的劳动力配置计划，主要工、机具计划和手段用料及计划检验、测量器具配备表均按施工图埋地消防管道工程4500m配备。

Underground pipeline of Caojing tank farm of Vopak Shanghai Logistics CO., LTD is around 4500m in accordance with the underground pipeline sketch. The length of the pipeline is given to instruct the compiling of construction organization. Such as, the manpower schedule, equipment, tool and material schedule and inspection, measuring instrument.

2编制依据 Basis

2.1 孚宝管道施工规范

SP610-04 SPCIFICATION FOR FABRICATION, ERECTION, TESTING AND COMMISSON OF PIPING

2.2 孚宝埋地管道防腐施工规范

SP610-05 SPECIFICATION FOR UNDERROUND PIPING PROTECTION

2.3 孚宝埋地管道安装施工规范

SP610-06 SPECIFICATION FOR INSTALLATION OF BURIED PIPES

2.4 ASME管道施工规范

ASME B31.3 ASME Code for pressure Piping

2.5 《工业金属管道工程施工及验收规范》 GB50235-97

《Construction and Acceptance Code on Industrial Metal Pipeline》 GB50235-97 2.6 《现场设备、工业管道焊接工程施工及验收规范》GB50236-98

《Construction and Acceptance Code on Equipment & Pipeline Welding》GB50236-98 2.7 浙江天正设计院的设计图纸

Construction drawings from Zhejiang Titan Design & Engineering Co. LTD

3施工程序 Construction Principle

埋地管道施工基本原则：先主管后支管，先大管后小管；先深管后浅管。

Basic Principle for underground pipeline construction is: main pipeline first, branch afterwards. Pipeline in deep place first, in shallow place afterwards.

3.2 施工进行的施工方法，见施工流程图Construction process diagram

附件 1 Attachment 1

4 施工前准备 Construction preparation

4.1埋地管道工程属于隐蔽工程，要求在质量上、施工组织上进行合理的规划和控制，要

求所有参加施工的员工了解地下管网施工中的关键点和难点。

Underground pipeline is concealed project. It is required that reasonable plan and control for quality and construction organization shall be carried out carefully. The key points and difficult points in underground pipeline construction shall be known clearly by all the staff worked in this project.

4.2埋地管道的坐标、坡度是管网施工中最易出问题的地方，要求对每一条管线应画出它

的走向图、标示书、标高、坐标、管径、高程及各个拐点、起伏点，尤其是相距交叉

的管道应在交叉部位标注出高程和管径，在施工中应反复测量核实避免出现管线交叉相撞的情况。

The coordinate and the slope construction of the underground pipeline construction shall be take into careful consideration. Direction diagram, level, coordinate, diameter, Elevation, turning points of each pipeline shall be marked clearly. Measurement of the pipeline shall be done well to avoid pipeline collision during the construction period.

4.3根据施工组织的要求，合理的组织各种材料进场，尽量减少占用场地，同时又能保证

工程进度所需的各种材料，做好计划工作。

Material entering into site shall be organized reasonably in accordance with the construction organization to keep the materials for the project is Delivery on time and to reduce the place occupation.

5 施工方法及质量要求 Technology and quality requirements

5.1 施工测量 Construction survey

5.1.1 施工前，建设单位组织有关单位向施工单位进行现场交桩。

Prior to construction, Control point to construction unit shall be carried out by relevant units.

5.1.2 临时水准点和管道轴线控制桩设置牢固，易于观测，开槽铺设管道的沿线临时水准

点，每200m设1个以上。

Temporary demarcation and control point of the pipeline shall be fixed steady and shall be measured easily. Temporary demarcation for pipe laying of channel shall be set up at the distance of 200m/each.

5.1.3 临时水准点，管道轴线控制桩，高程桩，应经过复核后方可使用并加以保护，施工

过程中应经常校核，防止被破坏。

Temporary demarcation, Bench mark & Coordinates control point shall be used only after got checked and protected. Regular checking for these items shall be done well during the construction to ensure accuracy.

5.1.4 施工测量的允许偏差应满足下列要求

Measuring tolerance shall be in conformity with the following requirements:

注：1、L为水准测量闭合路线的长度（km）。

Note: 1. L is the length of closed line with horizontal measuring.

2、n为水准或导线测量的测站数。

2. n is measuring points with horizontal or lead measuring

5.2 沟槽开挖与回填 Trench excavation and backfilling

5.2.1 开槽准备：开槽前应仔细测量放线，明确开挖的宽度、坡度和深度；在建设单位的

组织下了解管线走向及地下障碍物的情况并做出标示，对于不能完全确定的地下障碍物应找斟探部门仔细的核实。

Preparation: demarcation shall be marked carefully prior to excavation. The width, slope and depth of the trench shall be known clearly. The direction of the pipeline shall be known and the obstacles underground shall be marked clearly. The unclear obstacles underground shall be checked carefully by investigation department.

5.2.2 开槽的原则：以机械开挖，人工清槽为主，机械开挖到管底设计深度以上100mm，

然后人工清到设计标高，禁止扰动原土层。在槽底需再挖出100×200mm槽，槽内充软沙压实。

Principle: mechanical and manual excavation is the main method. The depth of the excavation shall be excavated firstly at above 100mm of the designed depth, and following manual excavation. Original earth shall not be spoiled.

In the trench-bed a channel of 100mm depth and 200mm width shall be opened.

Which shall be put soft sand to from cradle for the placement of piping when properly compacted.

5.2.3 沟槽排水：因本工程地下水位较高，应在沟槽设置井点降水，将水位降至沟槽底以

下0.5m；沟槽开挖后沟内应设置排水沟和排水井，并及时将沟槽内的水排走。

Water draining: de-watering unit shall be set up for trench. The level of the water shall be at 0.5m at the bottom of the trench. De-water trench and well shall be set up after excavation. De-water shall be done timely. 5.2.4 管道沟槽底部的开挖宽度按下式计算：

Excavation slope for the bottom of the trench shall be calculated as follows: B＝D1＋2（b1＋b2＋b3）

其中：B——管道沟槽底部的开挖宽度（mm）

Note: B——Excavation width at the bottom of the trench（mm）

D1——管道结构的外缘宽度（mm）

D1——external width of the pipeline structure（mm）

b1——管道一侧的工作面宽度（mm）

b1——width on the pipeline side（mm）

b2——管道一侧的支撑厚度，可取150-200mm

b2——support width on the pipeline side，normally 150-200mm

b3——现场浇筑混凝土或钢筋混凝土管渠一侧模板的厚度（mm）

b3——width on the template side of cast in place concrete or reinforced concrete（mm）

5.2.5 沟槽开挖的坡度根据土壤地区情况，地下水位及管沟的深度来确定，必要时沟槽还

需进行支撑，以保证管道施工时不塌方不影响管道的下管工作。

The slope of the excavation shall be determined in accordance with the soil

texture, underground water level and depth of the trench. Support shall be given for trench while necessary to avoid landslip.

5.3 管沟回填 Trench backfilling

5.3.1 管沟回填前要求:各种隐蔽工程检查合格，包括管道坐标、标高、防腐焊接、水压试

验合格并经工程监理确认，施工记录齐全；

Before trench backfilling all the concealed items including pipeline coordinate , elevation, welding anti-corrosive Hydro test should be got approved and checked by the third part. All the construction records completed.

5.3.2 沟槽回填前清除槽内的杂物（木块、石块、土块等），保证沟槽内不得有积水，槽

底100mm 软沙，管顶150mm软沙。回填土从管道两侧均匀对称倒入轻压夯实。

Rubbish in the trench shall be cleaned prior to backfilling to assure there is no trapped water in the trench. The layer from below pipe bottom 100mm to above pipe top 150mm must use fine sand.

5.3.3 管道两侧回填土的压实度应满足：对钢管道，其压实度不小于95%；沟槽位于路基

范围以内，其管顶以上250mm范围内回填土表层的压实度不小于87%，其它部位回填土的压实度符合规范规定。沟槽位于路基以外，其管顶以上高为500mm应松填，其压实度不大于85%，其余部位不小于90%。

Density of the earth at the two sides of the pipeline shall be in conformity with the following requirements: for the steel pipeline, density shall not less than 95%. For the trench which located in the roadbed, the density of the surface earth at the 250mm above the pipe shall not less than 87%. For other parts, the density shall be in conformity with the requirements in the specification. For the trench which located out of the roadbed, the density at the 500mm above the pipe shall be loosely backfilled. The density shall not more than 85%. For other parts, the density shall not less than 90%.

5.3.4 管道试压及试水合格、接口防腐完毕、检查验收合格后，可进行回填。

Backfilling shall be done only after pipeline pressure test and water test

approved and anti-corrosive at the pipe joints completed.

5.3.5 雨季施工为防止未及时回填的管道漂浮，将采取管道随铺随埋的措施，对于未在地

上试压的管道焊缝区域将被预留。

During construction in rainy se-son backfilling shall be carried out as soon as pipe is lowed into trench but welding area shall be remained for un-hydro test pipeline.

5.4 管道施工 Piping work

5.4.1管道安装 Pipeline installation

5.4.1.1确保管道内干净、无杂物，所有管道材料及预制完成管道端口必须封口。

The inside of pipe shall be clean. The pipe shall be sealed after welding.

5.4.1.2分段组对，加大地上预制深度。管口组对焊接时，搭设可移动的防雨棚，保证焊

接质量。已加工坡口的管端或未施工完的接口用塑料膜和胶带包敷好。

In order to mark the installation more smoothly, the welding work of piping

shall be done out of the trench as many as possible. For the groove and

unfinished weld junction, Plastic paper and tape will be used to protect

it.

5.4.1.3管道安装前检查防腐层有无破损情况，否则及时修补。防腐好管道在运输、装卸、

吊装过程中应做好软性隔离（如垫沙袋、使用软吊装带等）；管道氧乙炔焰切口、

砂轮机打磨以及管道焊接时，也要做好有效隔离（如使用园环形隔板），防止氧

乙炔焰和飞溅破坏防腐层。

Prior to installation, Wrapping layer of the pipe shall be checked firstly

to assure there is no damage on it. Proper protection for pipe shall be

taken during the loading. Where the gas cutting or grinding is executed,

the protection plate shall be used to protect the wrapping layer is free

of any damage.

5.4.1.4管道下沟前再次测量确认沟底的标高，管基质量，并标出管道安装中轴线。

Prior to laying the pipe into trench, the level, slope, and material at

the bottom of the trench shall be checked again. Axle line shall be marked

clearly.

5.4.1.5管道下沟采用专用软吊装带。管道下管时要平稳，不得触碰沟壁或沟槽支撑板等

挡土设施。管沟底部间隔2-3m放置沙袋，管道下沟后平放于沙袋上，以便于管

道调直对口（具体见附图3）。

Special lifting belt shall be used in laying the pipe into the trench.

Laying the pipe shall be steady. Avoid hitting trench edge or shoring sheet.

Every 2-3 meter on the bottom of trench will lay the sand bag to give the

protection to the piping. And by this way, it is also very easy to adjust

the piping position.

5.4.1.6管道组对时可用龙门吊和卡具配合组对，管道定位时每根管子必须按中心线找直

对中，管底与管沟基底贴合紧密。

Frame and pipe clamp shall be used for assembling and junction of the pipe.

Placing of the pipe shall be in accordance with the centerline and the

pipe shall be placed closely with the trench bed.

5.4.1.7管道上安装的法兰面与管中心线垂直，接口的两片法兰面相互平行，螺栓应自由

的穿过两片法兰的螺栓孔，螺栓安装方向一致，螺母应对称紧固，紧固好的螺栓

应露出螺母之外2~3扣。

The flange shall be in vertical with the pipe center. The two flange surface

shall be horizontal. The bolts shall be in the same direction. And the

nut shall be fixed closely.

5.4.1.8管道安装后，要及时将管口用塑料管帽或软木塞及厚塑料薄膜包扎封闭，以防止

雨水和杂物进入管内。

After piping installation, the cork or plastic cup will be plugged into

both sides to prevent the rain water of sundries into the pipe.

5.4.1.9管道试压和回填要尽量安排在停雨期间进行，并且排尽沟内积水。管道清理后，

要尽快组织试压和回填。如来不及试压，可将焊口两侧各1米位置留出，其余位

置全部回填，防止管道漂浮。

After clean the inside of trench, the pipe line pressure test and trench

backfill will be performed as soon as possible. If after trench cleaning,

the test can’t be perfor m timely, trench backing will be done first. And

1 meter on both side of welding joint will be left without backfill.

5.4.1.10过马路埋地管施工：所有从马路或水沟下面穿过的埋地消防管，应尽量在马路施

工前完成。如马路先施工，有埋地管穿过的地方应协调预留，预留宽度以管道中

心两侧各500mm，待埋地管道回填后再施工。

Pipe across the road: all the fire fighting water piping which will across

the road drain will be done before road and drain construction. If the

road construction start, shall wait for piping first the pipe crossing

portion.

5.4.2 管道焊接

5.4.2.1管道焊接采用手工焊（氩弧焊打底，电弧焊填充盖面），采用“V”型坡口，其尺

寸见下表，管道对口时应使内壁齐平，错口偏差为0.2t，且不得大于1.5mm；

Manual welding shall be used for pipe welding (Root GTAW, cap SMAW). The

joints of the pipe shall be evenness. The tolerance is 0.2t but not more

than 2mm. Groove shall be in the type of V. the size is as follows.

表5-3 table 5-3

5.4.2.2焊接材料：氩弧打底采用H08Mn2SiA焊丝，焊条采用J422焊条。

Welding material: H08Mn2SiA for GTAW; J422 for SMAW.

5.4.2.3钢管对口检查合格后可以进行点焊，点焊采用与接口相同的焊接材料，点焊时对

称施焊，厚度与第一层焊接厚度一致，钢管的纵向焊缝与螺旋焊缝处不得点焊。

点焊长度及间距符合下表。

Tack welding shall be done after joint of the steel pipe got checked and

approved. Welding shall be used same welding material as joint. Symmetry

welding shall be done well in spot welding. The thickness shall be the

same with the first layer. Welding shall not be used in longitude and

traverse seam of the steel pipe. The length and the distance of the spot

welding shall be in conformity with the requirements given below.

表5-4

验；不合格的焊缝应返修，返修次数不得超过三次，焊缝的外观质量见下表。Visual check shall be done after welding and before water pressure test. NDT test shall be done in accordance with the requirements. The unqualified seam shall be repaired. And repair shall not more than three times. The visual quality of the seam shall be in conformity with the requirements given below.

焊缝的外观质量Visual quality of the seam

钢管安装允许偏差Installation tolerance

5.4.3 焊缝无损检测：因设计未说明，根据规范管道对接焊缝拟按照5%比例进行射线照相

抽样检查；当抽样检查未发现需返修的焊缝缺陷时，则抽样检验所代表的一批焊缝应认为全部合格；当抽样检查发现需返修的焊缝缺陷时，除返修该焊缝外，还应用原规定办法进一步检验。每出现一道不合格焊缝应再检验两道该焊工所焊的同一时间同一批焊缝，如果这两道合格，则应认为检验所代表的这一批焊缝合格。如果这两道焊缝又出现不合格，每道不合格焊缝应现再检查该焊工同期同批焊缝两道，当再次检验的焊缝均合格时，则可认为检验所代表的一批焊缝合格。当再次检验又出现不合格时，应对该焊工同期同批焊缝进行全部检验，该焊工需重新考试合格后上岗。

注：同期同批焊缝指一个阶段内同一条线的焊缝。

NDE：the 5% RT will be performed according to the Specification (ASME B31.3;

GB50235). If no defect was found, this batch of welding joint will be consider acceptance. If any defect was found, the inspected weld joint will be repaired accordingly. And the more RT will be performed according to the Specification.

5.4.4 管道防腐 Pipeline anti-corrosion

本工程地下管道防腐见防腐施工程序。

The method of the underground pipeline anti-corrosion of this project can be find in anti-corrosive construction procedure..

5.4.5 压力管道的强度及严密性试验

Strength and tightness test for pressure pipeline.

5.4.5.1管道试验前，应对管道、伸缩器、节点、支墩、井及其它附属构筑物进行检查，对

管道的标高、坐标及回填质量进行检查，管道的施工记录是否齐全等。

Prior to test, pipeline, flexible instrument, joint, support, well and other

accessories of the pipe, elevation and coordination of the pipe, backfilling

quality and construction record of the pipeline shall be checked firstly.

5.4.5.2编制试压系统图及平面布置图（具体见附图1、2），试压系统图应包括设置紧急排

放管线。确定分段试压顺序，确定好管线的注水点、排水点，压力表的设置位置，

压力表的量程及精度等级应满足规范要求，使用前应校正，向管内注水时注意排气

以保证管道充灌水，气体排尽。

Water Pouring and draining point shall be assured. The location, domination

and precise class of the pressure gage shall be in conformity with the

requirements of the specification. Check shall be done prior to use. Gas

drainage shall be taken into consideration while pouring water into pipe.

5.4.5.3管道内充满水后，升压时要缓慢分级升压，每升一级应检查支墩，管身及接口，当

无异常现象后再继续升压。水压升至试验压力后保持10分钟，压力降不应大于

0.05Mpa，检查接口、管身无破损及漏水现象时管道强度试验为合格。

After water pouring, Pressure promoting shall be slow and promoted by class.

Support, pipe and joint shall be checked after one class pressure promoting.

Pressure shall be kept for 10 minutes after pressure reach the test pressure.

If there is no damage and water leakage of the joint and pipe, the strength

test shall be eligible.

5.4.5.4管道强度试验合格后进行管道严密性试验，压力应保持不变，不渗不漏为合格。

Tightness test shall be done after eligible strength test. The amount of

the water leakage shall be less than the requirement of the specification.

5.4.5.5管道压力试验的试验压力见下表

Test pressure for strength test is as follows.

5.4.5.6管道试验合格后，竣工前应进行冲洗，冲洗采用洁净水流且不小于1.0m/s，连续

冲洗直至出口处的浓度，色度与入口处的冲洗水强度，色度相同为止。

Flushing shall be done after pipeline test and before completion of the construction. The water used for flushing shall be clean water and the velocity of the water shall not less than 1.0m/s. The flushing shall be finished when the density, color of the water at the exit is the same with the entrance.

6 安全技术措施 Safety and technology measures

6.1 所有参与施工的人员应进行入场安全教育，了解业主的安全管理制度，熟悉施工现场

的作业环境，签字、安全协议。

All the construction workers should pass safety training. All the workers should be acquaintance with the safety rules given by the owner. And all the workers should know the working circumstances and should sign the safety agreements.

6.2 项目部针对专业作业情况制定安全管理措施，组织相关人员学习，落实各种安全劳保

用品，技术措施准备情况，以保证各种安全管理的措施落实到位。

Safety measure for special discipline shall be set up by project organization.

PPE shall be equipped completely. All kinds of safety measures shall be carried out carefully.

6.3 施工人员入场作业必须穿戴好劳保用品。

PPE shall be worn well while worker entering into site.

6.4 管道施工时要办理动土证、动火证，狭处作业，许可证等，禁止盲动。

Earth Work Certification, Hot Work Certification, and certification for working in narrow place shall be completed. Working without certification is strictly forbidden.

6.5 土方开挖后应及时的加支撑，开挖时按要求放坡，开挖拉走禁止在沟边堆放大量的土

方，回填的土方应按规范要求堆到距沟边0.5米以外。

Support shall be set up timely after earth excavation. Slope shall be kept in accordance with the requirements for excavation. The earth shall be conveyed immediately after excavation. The earth for backfilling shall be piled at the

0.5m of the trench.

6.6 开挖后的沟槽边应设置护栏，夜间设警示灯。

Fence shall be set up for the excavated trench. Alarm light shall be set up during nighttime.

6.7 管道堆放要合理，禁止在沟沿堆管，安装后的管道要及时的封口，管沟内有人施工时，

沟上面应有监护人。

Piling of the pipe shall be reasonable. Piling the pipe along the trench is strictly forbidden. Installed pipe shall be sealed timely. While workers are working in trench, there should have inspecting persons outside the trench.

7劳动力配置计划 Manpower schedule

8主要工、机具计划和手段用料计划 Equipment, tools and material schedule 8.1 主要工、机具计划 Equipment and tools schedule

8.2 技术措施和手段用料计划 Technical measure and material schedule

9 检验、测量器具配备表 Inspection and measuring gage