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Modification of construction scheme for pipeline pressurization The design starting point of the pipeline is the outlet pipe of Daniudi lift pump station, and the design ending point of the pipeline is the Turk artificial lake on the south side of the Turk Industrial Park. The total design length is about 23.4km (the actual length is subject to the as built drawing). The design pipe diameter is DN1000mm. The pipes are mainly ductile iron pipes, K9 grade, T-shaped rubber ring joints, and the working pressure is 0.6MPa; Welding steel is used instead of local complex terrain -
Construction scheme of process pipeline of a project The construction scheme of process pipeline is available for reference. -
Pipeline hydraulic protection construction scheme This paper describes the construction methods and key points of masonry cut-off wall, retaining wall, concrete weight block, etc. It is also a complete construction plan for reference. -
Pipeline welding construction scheme of a project This project is a reconstruction project, which needs to lay a 900m long pipeline, of which the river crossing length is 320m, and the pipeline specification is Ф 159 Ⅹ 6. -
Construction scheme of a fire protection and sprinkler pipeline This document is a detailed and comprehensive construction plan for fire protection and sprinkler pipes, which can be used for your reference. -
Special construction scheme for propylene glycol pipeline Special construction scheme for propylene glycol pipeline, including project overview, process flow, construction preparation, construction schedule, main construction processes and methods, quality standards, and quality assurance measures -
Construction scheme of fire fighting and sprinkler pipes This data is the construction scheme of fire fighting and spraying pipes, which is detailed and can be used for reference. -
Construction scheme of water supply and fire fighting pipeline This document is the construction scheme of water supply and fire fighting pipeline, including: 1. The pipes, pipe fittings, valves, coiled pipe materials and interface materials used in the water supply and drainage pipeline project must have the manufacturer's quality certificate. If there is any objection to the quality of materials, they can be used only after passing the re inspection. L Before installation of pipes, pipe fittings and valves, check their specifications, materials -
Special construction scheme for water supply pressurization This data is the special construction scheme for water supply pressurization. Detailed content for reference -
Construction scheme of equipment pipeline insulation The project will implement the project method construction, establish a reasonable, capable and efficient project management department, fully perform the contract, organize, command, manage, coordinate and control the project construction, coordinate the internal and external and personnel relations, and play various business functions -
Detailed construction scheme of power pipeline This project is the civil construction of cable duct. The total length of the bid section is 3120 meters. The total work amount is 7569.3 meters for laying cable duct and 173 cable inspection wells. The starting stake number of the project is 0+000, and the ending point is 3+120. The cable duct group is distributed on both sides of the road, 1.5m away from the sideline. -
Construction scheme of pipeline ball passing pressure test Brief introduction of a long distance crude oil pipeline ball passing pressure test scheme, which is divided into two parts: sectional ball passing and pressure test scheme, including pigging and pressure test conditions, pressure test technical measures, production and installation of receiver and launcher barrels, pipeline sectional pigging and cleaning, water injection, strength and gas tightness tests. -
Anticorrosion construction scheme of a pipeline and equipment The asphalt for cold primer oil in this project is No. 30 A construction petroleum asphalt. Before boiling, cut the asphalt into small pieces of less than 1.5kg, put them into a clean asphalt pan, gradually raise the temperature and mix them, and keep the temperature within 180~200 ℃ (the maximum temperature shall not exceed 220 ℃). Generally, it should be boiled at this temperature for 1.5~2.5 hours until -
Construction scheme of water supply and fire fighting pipeline This plan mainly describes the practices and technical measures of domestic water supply pipes and fire water pipes. The main construction water supply network of the project adopts steel mesh skeleton plastic (polyethylene) composite pipe, main water supply pipe (pipe diameter: 150mm), branch water supply pipe (pipe diameter: 150mm, 80mm, 65mm, 50mm), fire control and water supply brick masonry valve inspection -
Heat insulation construction scheme of thermal pipeline Thermal pipeline insulation construction scheme Thermal pipeline insulation construction scheme Thermal pipeline insulation construction scheme Thermal pipeline insulation construction scheme Thermal pipeline insulation construction scheme Thermal pipeline insulation construction scheme -
Construction scheme of process pipeline in a workshop Process pipeline construction scheme of a workshop Process pipeline construction scheme of a workshop Process pipeline construction scheme of a workshop -
Construction scheme of an outdoor pipeline in Shaanxi An outdoor pipeline construction scheme in Shaanxi An outdoor pipeline construction scheme in Shaanxi An outdoor pipeline construction scheme -
Pccp pipeline construction scheme of a project Pccp pipeline construction scheme of a project pccp pipeline construction scheme of a project pccp pipeline construction scheme of a project -
Cc pipeline construction scheme of a project In the construction scheme of cc pipeline of a project, the middle route project of South to North Water Transfer starts from Danjiangkou Reservoir in Hubei, and enters Beijing through Hubei, Henan, Hebei and other provinces and cities. The main canal in Beijing section connects with the open canal section of Hebei Province from the south of the middle branch of the North Juma River, passes through the canal head intake gate, and enters the underground canal of the North Juma River -
Construction scheme of municipal heating pipeline This document is the construction scheme of municipal heating pipeline. The contents are detailed for reference. -
Construction scheme of thermal pipeline of a project This document is the construction scheme of thermal pipeline of a project. The contents are detailed for reference. -
Process pipe welding construction scheme This document is the construction scheme of process pipe welding. The contents are detailed for reference. -
Special construction scheme for pipeline hoisting The hoisting contents of the project mainly include the hoisting of PCCP pipes in the trench, pipe jacking hoisting of two high-speed approaches and the hoisting of inverted siphon pipes crossing the New Ku River. The maximum depth of the pipe jacking is 9.6 meters, the pipe diameter is DN3000, it is a reinforced concrete pipe, the wall thickness is 290mm, each section is 3 meters, and it is lined with steel pipe, the pipe diameter is 2400mm, and it is Q235B steel. The rest are PCs -
Special construction scheme for pipeline demolition Dismantle the site for inspection and hang warning signs → erect the scaffold that has passed the inspection → hang the removed pipeline of the hoist that has passed the inspection → hang the safety belt of the staff → start cutting the pipeline → pull the hoist to slowly put down the cut pipeline → transport it to the designated location through the pallet truck. -
Construction scheme for pipeline system test and purging 1、 Preparation Basis II. Project Overview III, Pipeline System Pressure Test and Purging Construction Organization IV, Pipeline System Pressure Test Prerequisites V, Pipeline System Purging and Pressure Test Construction Procedure VI, Pipeline Purging and Pressure Test Technical Requirements and Safety Measures VII, Construction Plan VIII, Labor Distribution IX, Purging and Pressure Test Quality Assurance Measures X, Pipeline System Purging and Pressure Test -
Construction scheme of concrete sewage pipeline Construction Scheme of Concrete Prefabricated Pipe -
PE electric melting pipe welding construction scheme 1. PE pipe hot melt full-automatic welding operation instruction 2. PE pipe hot melt semi-automatic welding operation instruction 3. PE pipe electric melt full-automatic welding operation instruction -
Pipeline noise treatment and construction scheme Installation steps: 1. Cut the sound insulation felt into strips of the same width with a utility knife. 2. Stick the sound absorbent cotton to the pipe and wrap it with sound insulation felt (the wrapping shall be dense and the appearance shall be flat). 3. Wrap the acoustic felt with different materials. 4. Finish the exterior. -
Special construction scheme for bridge and pipeline foundation pit Special construction scheme for bridge and pipeline foundation pit Bridge, special construction scheme for pipeline foundation pit Bridge, special construction scheme for pipeline foundation pit Bridge, special construction scheme for pipeline foundation pit -
Process pipe installation construction scheme The working media in this project are mainly brine, salt slurry, nitrate slurry, condensate, cooling circulating water, low-pressure steam, etc. Their common characteristics are low working pressure (generally not more than 1MPa), and low working temperature (not more than 200 ℃). Therefore, according to the classification standard, they are Class D pipes. The quality requirements of pipe welding joints are not lower than Class IV welds, but the bittern media have very strong -
Pipeline welding process construction scheme 1. Project name: ******* Phase 2 DB (Debottleneck) Project 2. Construction unit: China ******* Construction Co., Ltd. 3. Design unit: China ********* Co., Ltd. 4. Supervision unit: China ******* Supervision Center 5. Project location: Zhuhai ********* Industrial Zone Unit name: ************* Phase 2 DB（ -
Construction Scheme for Pipeline Installation of the Project This plan describes the installation process of the aboveground pipeline in the fourth area of the IIP project. The main construction steps include: pipeline installation, pipeline flushing, pipeline pressure test, pipeline anti-corrosion and thermal insulation. Since the middle and low pressure steel pipes account for most of the quantities of the project, this scheme focuses on the installation process of middle and low pressure steel pipes. For a small amount of anti-corrosion non-metallic pipes in the project -
Construction Scheme for Pipeline Pressure Freezing Sealing Pipeline freezing plugging under pressure is to use liquid nitrogen through patented temperature control equipment to automatically inject a special jacket to freeze the target pipeline section to form an ice plug with a strength of 2000 psi, so as to achieve the purpose of pipeline plugging. Different from the traditional plugging scheme, the freezing plugging method avoids the puncture damage to the pipeline, does not affect the normal operation of the main pipeline, does not affect the internal water quality of the pipeline, and occupies less land for construction. Thorough consolidation
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one Pipeline foundation construction scheme -
two Method Statement for Pipeline Demolition -
three Method Statement for Pipeline Survey -
four Pipeline anti-corrosion construction scheme -
five Pipeline reinforcement construction scheme -
six Construction scheme of pool pipeline -
seven Temporary pipeline construction scheme -
eight Road pipeline construction scheme