Residential interior decoration project labor costs reference price (draft) 2007 version

During the renovation, the heating pipes were demolished and changed. The situation of the upper and lower water pipes was more common. According to reports, there are many drawbacks to dismantling the heating system indiscriminately. After the originally designed heating is changed, the pressure will change. After the heat balance is broken, the heating will be out of balance, causing the houses to be hot and cold. After the change of heating, it is difficult to ensure no water leakage. The original design is more reasonable and can be fixed as far as possible.

Changes in the upper and lower water pipelines often have problems with water leakage and water pollution. Both of these problems are related to the improper use of materials. If the sealing material used in hot water pipes is poor in heat resistance, the sealing performance will be reduced after a period of time, affecting the sealing effect. If the replaced pipe is not a galvanized pipe but an ordinary iron pipe, it will pollute the water quality.

The gas, heating, and water supply and drainage pipes in the house are all carried out by professional construction personnel during the housing construction process. After the gas and heating systems are installed, they have to undergo pressure test and water test. It is very difficult for general decoration companies to do this. A little, so, for the sake of safety, we can keep it from changing.

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