Hangzhou Henma Power Technology Co., Ltd.

NEWS CENTER

Blocking Case of a Large Project in Shanghai, a Fortune Global 500 Enterprise


Release time:

2020-02-09

Regarding the use of Hengma's inflatable cable duct sealing device (IDSS) for sealing leaks, in order to solve the problem of water seepage in the cable duct holes of underground distribution rooms, our company has sealed 200 cable ducts in accordance with the requirements for sealing water seepage in a high-end residential area underground distribution room in Lishui. After a quarter of operation and use, the situation is summarized as follows: Before installation, the underground distribution room in a high-end residential area in Lishui had severe water seepage in the cable duct. As shown in the figure, there was already some water accumulation on the ground, and the emergency response method is not a long-term solution. The location of the water seepage cable duct is located at the top of the distribution room, and according to the water flow habits, it flows towards low terrain, seriously endangering the normal operation of the distribution room system. After installing the inflatable cable duct sealing system, there is no water leakage at the pipe hole, and there is no threat of water seepage and downward flow to the operating system. 1. Quick and convenient installation, easy to block in water seepage; 2. Various oval shaped pipe holes or cables of different specifications can be installed, and hollow and multi-core can be installed; 3. It can resist various sealing environments (such as corrosion, fungi, and chemical corrosion); 4. Can be used for various materials such as PVC, iron, steel, concrete, and various molded pipes;

Inflatable Cable Conduit Sealing System (IDSS): A Case Study of a Large Project Sealing in Shanghai, a Fortune Global 500 Enterprise
In order to solve the problem of water leakage and sealing of multiple cables, our company requested a certain engineering construction unit to seal over 5000 cable pipelines in the project. After 6 months of observation of the sealing effect, the following summary is made:
Before installing the inflatable cable duct sealing device (IDSS), a construction project in Shanghai experienced severe water leakage, and some even affected the progress of other projects, delaying the construction period. Among them, various sealing devices were attempted, but none of them met the requirements, and some even affected the later construction, increasing the difficulty of the later construction.
The reasons are as follows:
1. Sealing environmental issues: Many are single tube independent, with no deliberate support or fixed sealing devices or instruments around them.
2. Number of cables: There are various situations such as empty pipes, single cables, and multiple cables,
3. Internal issues with sealing pipelines: Some pipelines are operated with water, so the pipeline adaptation period of waterproof sealing products must be close to zero.
4. Cable arrangement issue: Because the engineering department implements a policy of first constructing and installing cables before sealing them, many cable sealing positions are staggered and pressed. However, the customer requests that the use of crowbars or Range Rover to move the cables to their original positions is not allowed, which increases the difficulty of construction.
After conducting a preliminary investigation of the sealing situation and considering the sealing requirements of the demander, the company held a collective meeting to discuss a sealing plan for the current situation. With the efforts of all employees of the company, after a quarter of sealing, more than 5000 cable sealing ports specified by the demander were successfully completed and received unanimous praise from the demander.

 

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