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The design plan for the reconstruction and construction organization of the cooling tower at Gangxia Station on Shenzhen Metro Line 1

Author:Trlon  Views:  Time:2020-10-09
The design plan for the reconstruction and construction organization of the cooling tower at Gangxia Station on Shenzhen Metro Line 1

1. Construction deployment

1. Construction organization:YX1Cooling tower noise reduction treatment manufacturer
According to the requirements of Shenzhen Metro Gangxia Station, the general manager of our company directly appointed the project manager to form a project department to be responsible for the construction, organization and management of this project. Its members are: project manager, project technical responsible, site responsible, construction staff, etc.YX1Cooling tower noise reduction treatment manufacturer
2. Construction steps:YX1Cooling tower noise reduction treatment manufacturer
a. Set up scaffolding on the construction site, weld two on-site, one for one, and one for use. The construction staff arrange two shifts to prevent emergencies; prepare the materials needed for this encounter; cut pipes in advance at the location of the encounter And take over location identification.YX1Cooling tower noise reduction treatment manufacturer
b. Determine the time for collision with the subway operation, and all construction personnel will be ready three hours in advance;YX1Cooling tower noise reduction treatment manufacturer
c. The air-conditioning piping system starts to drain after 23:00 in the evening;YX1Cooling tower noise reduction treatment manufacturer
d. Two batches of personnel meeting and receiving electricity are carried out at the same time;YX1Cooling tower noise reduction treatment manufacturer
e. Start cutting off the old pipe after 12 o'clock in the morning, and store the old pipe on site to prevent the new pipe from unsuccessful connection or operation failure. The old pipe can be restored to its original state;YX1Cooling tower noise reduction treatment manufacturer
f. The new electric box is installed next to the old electric box, and all circuit control methods are the same as the old electric box; all the old electric boxes are switched to the new electric box before 2:00 in the morning; once the new electric box fails in trial operation, immediately connect the lines Switch to the old electric box, this is an emergency treatment plan;YX1Cooling tower noise reduction treatment manufacturer
g. The first 1/2 weld of the main pipeline is carried out by two team members at the same time, and the welding is completed before 02:00 in the morning;YX1Cooling tower noise reduction treatment manufacturer
h. The next 3/4 welding joint is also carried out by two team members at the same time, and the welding is completed before 04:00 in the morning;YX1Cooling tower noise reduction treatment manufacturer
i. At 04:00 in the morning, all the pipelines will meet with water and pressure test immediately, start the test run, and personnel can evacuate the scene after running for one hour;YX1Cooling tower noise reduction treatment manufacturer
3. Construction safety:YX1Cooling tower noise reduction treatment manufacturer
A. Temporary use of electricity for constructionYX1Cooling tower noise reduction treatment manufacturer
The construction site is a place where a number of professional workers gather. To ensure the safe use of electricity at the construction site, it is necessary to strengthen the electricity management regulations, strictly abide by the electricity rules, and prevent construction electricity safety accidents. To this end, a dedicated line for the project department is set up, and an independent control box is set up, and three-phase four-wire is used as the main power supply line to extend to areas where electricity is concentrated.YX1Cooling tower noise reduction treatment manufacturer
B. Temporary construction landYX1Cooling tower noise reduction treatment manufacturer
The temporary construction site shall be arranged at the cooling tower installation site provided by Party A. Material stacking on the site is required to be regular and tidy, with obvious signs. The installation site must have a fire escape route, fire prevention measures must be taken at the fire site, inflammable and explosive materials must be removed, inflammable and explosive materials that cannot be removed must be isolated and covered, and the stacking materials and fire sites must be equipped Fire extinguisher.

2. Main technical measures

The construction plan for the main pipeline meeting is prepared according to the characteristics of the project and the requirements of the drawings, combined with the existing construction conditions. During the construction process, our company sends professional and technical personnel to supervise the construction quality of each link, and rectify or rework the parts that do not meet the requirements of the on-site construction. Strictly abide by the bid specifications for construction, commissioning and acceptance.

3. Quality assurance measures

A. Pipeline connection quality assurance measuresYX1Cooling tower noise reduction treatment manufacturer
(1) Conscientiously implement the provisions of the engineering quality assurance manual, achieve hierarchical management of the project, ensure good quality, and achieve one-time inspection at the completion of the acceptance, and make sure to clarify the work of each sub-project, especially the key parts. , And implement it to teams and individuals.YX1Cooling tower noise reduction treatment manufacturer
(2) To construct in strict accordance with the drawings, to understand the relevant equipment manuals and construction materials in detail, to be proficient in the relevant construction specifications and technical requirements, to make detailed construction plans or construction technical measures for each sub-project, and to be approved by Party A and the supervision site management personnel Only approved can carry out construction.YX1Cooling tower noise reduction treatment manufacturer
(3) Strengthen the inspection of materials, equipment and quality, and keep records. Regardless of the product, we adhere to the principle of non-conforming and non-construction.YX1Cooling tower noise reduction treatment manufacturer
(4) The project must have a detailed construction plan. If the construction drawing design has clear requirements, the construction should be carried out according to the design requirements. If there is none, the construction can be carried out according to the national standard. If neither of them is available, the on-site technicians can make the construction plan according to the actual situation. The projects inside must be constructed according to the construction plan. Each project must meet the relevant technical specifications and quality requirements.YX1Cooling tower noise reduction treatment manufacturer
(5) Strengthen on-site construction quality inspection and allocate professional construction inspectors. The construction plan and construction technical measures prepared before construction must be approved by the supervision department of Party A before construction can be carried out to ensure the quality of construction and the smooth progress of the project.

4. Safety technical measures

1. Work safety is centered on implementing responsibilities in strict laws and regulations, reducing violations and strengthening management, and strive to improve the level of safety production management of the enterprise to ensure the personal safety and health of employees.YX1Cooling tower noise reduction treatment manufacturer
2. Construction personnel must adhere to the principle of safety first and prevention first. Establish a post responsibility system to comply with the safety regulations formulated by the state and enterprises, and no illegal operations are allowed under any circumstances.YX1Cooling tower noise reduction treatment manufacturer
3. Safety technical measures must be prepared separately for each construction plan, and safety clarifications must be made to all construction personnel in writing before construction. Entering the construction site must strictly abide by the various rules and regulations of the construction site, and the foreman should do a good job introduction and site safety education for the construction personnel. Safety belts must be worn for high-altitude operations above 3m to prevent other work-related accidents.YX1Cooling tower noise reduction treatment manufacturer
4. Temporary use of electricity must comply with the safe use of electricity regulations, and all hand-held electric tools must pass through the leakage protection device. Rubber boots must be worn when working in wet areas.YX1Cooling tower noise reduction treatment manufacturer
5. Each production team shall conduct a regular production safety meeting and make records, and conduct safety education for all employees frequently and continuously.YX1Cooling tower noise reduction treatment manufacturer
6. For the finished products and semi-finished products, to prevent theft, personnel should be on duty for protection. Notify the property management company after get off work and do a good job of on-site storage.YX1Cooling tower noise reduction treatment manufacturer
7. The tools of the team should be in charge of special personnel. After get off work, they should be locked in the toolbox, and should not be left randomly; the door of the tool room should be locked firmly to prevent the loss of tools.YX1Cooling tower noise reduction treatment manufacturer
8. Fire protectionYX1Cooling tower noise reduction treatment manufacturer
The construction site must strictly implement the on-site fire use system and actively accept the inspection by the on-site firefighters. The hot-fire procedures must be completed before the electric welding fires, and special personnel should be assigned to watch the fire. The fire-watchers should have sufficient fire-fighting appliances. At the same time, electric welders should always check the equipment and tools for leakage and air leakage to prevent unsafe factors such as flammability and explosion. In case of strong winds above grade 5, open flame operations are strictly prohibited.

5. Technical clarification of the construction unit

Guangdong Teling Energy-saving Air Conditioning Equipment Co., Ltd. is an enterprise specializing in the development and production of central air-conditioning energy-saving products. Teling's main central air conditioning cooling tower equipment, cooling tower accessories, cooling tower maintenance and cooling tower noise reduction projects. Teling Air-Conditioner holds the qualification of China refrigeration and air-conditioning equipment repair and installation enterprise, which is approved by the China Refrigeration and Air-conditioning Industry Association and approved by the China Equipment Management Association under the National Development and Reform Commission. It is also the only domestic refrigeration and air-conditioning maintenance and installation company qualification certificate that can be found on the China Bidding Network.

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